diff options
-rw-r--r-- | libsensors/BoschYamaha.cpp | 1000 | ||||
-rw-r--r-- | libsensors/BoschYamaha.h | 166 | ||||
-rw-r--r-- | libsensors/CompassSensor.cpp | 356 | ||||
-rw-r--r-- | libsensors/CompassSensor.h | 108 | ||||
-rw-r--r-- | libsensors/GyroSensor.cpp | 362 | ||||
-rw-r--r-- | libsensors/GyroSensor.h | 108 | ||||
-rw-r--r-- | libsensors/InputEventReader.cpp | 176 | ||||
-rw-r--r-- | libsensors/InputEventReader.h | 94 | ||||
-rw-r--r-- | libsensors/LightSensor.cpp | 360 | ||||
-rw-r--r-- | libsensors/LightSensor.h | 114 | ||||
-rw-r--r-- | libsensors/OrientationSensor.h | 108 | ||||
-rw-r--r-- | libsensors/ProximitySensor.cpp | 288 | ||||
-rw-r--r-- | libsensors/ProximitySensor.h | 108 | ||||
-rw-r--r-- | libsensors/SensorBase.cpp | 256 | ||||
-rw-r--r-- | libsensors/SensorBase.h | 130 | ||||
-rw-r--r-- | libsensors/Smb380Sensor.cpp | 354 | ||||
-rw-r--r-- | libsensors/Smb380Sensor.h | 138 | ||||
-rw-r--r-- | libsensors/sensors.cpp | 752 | ||||
-rw-r--r-- | libsensors/sensors.h | 234 |
19 files changed, 2606 insertions, 2606 deletions
diff --git a/libsensors/BoschYamaha.cpp b/libsensors/BoschYamaha.cpp index ba88ff9..a6b9fa6 100644 --- a/libsensors/BoschYamaha.cpp +++ b/libsensors/BoschYamaha.cpp @@ -1,500 +1,500 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-#include <dlfcn.h>
-
-#include <cutils/log.h>
-
-#include "BoschYamaha.h"
-
-/*****************************************************************************/
-
-int stub_is_sensor_enabled(uint32_t sensor_type) {
- return 0;
-}
-
-int stub_enable_disable_sensor(uint32_t sensor_type) {
- return -ENODEV;
-}
-
-int stub_set_delay(uint64_t delay) {
- return -ENODEV;
-}
-
-BoschYamaha::BoschYamaha()
-: SensorBase(NULL, NULL),
- //mEnabled(0),
- mPendingMask(0),
- mInputReaderMagnetic(4),
- mInputReaderAccel(4)
-{
-
- counterAccel = 0;
-
- /* FIXME set input device name for magnetic sensor */
- data_name = "input0";
- data_compass_fd = openInput("geomagnetic");
-
-
- //Open Compass
- if (data_compass_fd) {
- strcpy(input_sysfs_path, "/sys/class/input/");
- strcat(input_sysfs_path, input_name);
- strcat(input_sysfs_path, "/device/");
- input_sysfs_path_len = strlen(input_sysfs_path);
- //enable(MagneticField, 1);
-
- }
-
- /* FIXME set input device name for accelereometer sensor */
- data_accel_name = "event6";
- data_fd = openInput("SMB380-Sensor");
-
- //Open Compass
- if (data_fd) {
- strcpy(input_accel_sysfs_path, "/sys/class/input/");
- strcat(input_accel_sysfs_path, data_accel_name);
- strcat(input_accel_sysfs_path, "/device/");
- input_accel_sysfs_path_len = strlen(input_accel_sysfs_path);
-
- enable(Accelerometer, 1);
-
- }
-
-
- memset(mPendingEvents, 0, sizeof(mPendingEvents));
-
- mPendingEvents[Accelerometer].version = sizeof(sensors_event_t);
- mPendingEvents[Accelerometer].sensor = ID_A;
- mPendingEvents[Accelerometer].type = SENSOR_TYPE_ACCELEROMETER;
- mPendingEvents[Accelerometer].acceleration.status = SENSOR_STATUS_ACCURACY_HIGH;
-
- mPendingEvents[MagneticField].version = sizeof(sensors_event_t);
- mPendingEvents[MagneticField].sensor = ID_M;
- mPendingEvents[MagneticField].type = SENSOR_TYPE_MAGNETIC_FIELD;
- mPendingEvents[MagneticField].magnetic.status = SENSOR_STATUS_ACCURACY_HIGH;
-
- mPendingEvents[Orientation].version = sizeof(sensors_event_t);
- mPendingEvents[Orientation].sensor = ID_O;
- mPendingEvents[Orientation].type = SENSOR_TYPE_ORIENTATION;
- mPendingEvents[Orientation].orientation.status = SENSOR_STATUS_ACCURACY_HIGH;
-
-
-
-
- for (int i=0 ; i<numSensors ; i++)
- mDelays[i] = 200000000; // 200 ms by default
-
-}
-
-BoschYamaha::~BoschYamaha()
-{
- if(compassEnabled){
- enable(MagneticField, 0);
- }
- if(accelEnabled){
- enable(Accelerometer, 0);
- }
-
-}
-
-int BoschYamaha::enable(int32_t handle, int en)
-{
- int what = -1;
-
- switch (handle) {
- case ID_A: what = Accelerometer; break;
- case ID_M: what = MagneticField; break;
- case ID_O: what = Orientation; break;
- }
-
- if (uint32_t(what) >= numSensors)
- return -EINVAL;
-
- int newState = en ? 1 : 0;
- int err = 0;
-
- /*
- //FIXME enabling the right sensor over sysfs interface
- if(what == MagneticField){
- what = Accelerometer; //Enable also Accel
- //Compass
- LOGD("BoschYamaha::~enable Compass(0, %d)", en);
- int flags = en ? 1 : 0;
- if (flags != compassEnabled) {
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
- LOGD("BoschYamaha::~enable Compass(0, %d) open %s",en, input_sysfs_path);
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- LOGD("CompassSensor::~enable(0, %d) opened %s",en, input_sysfs_path);
- char buf[2];
- int err;
- buf[1] = 0;
- if (flags) {
- buf[0] = '1';
- } else {
- buf[0] = '0';
- }
- err = write(fd, buf, sizeof(buf));
- close(fd);
- //mEnabled = flags;
- compassEnabled = flags;
- return 0;
- }
- }
- }
- */
-
- if(what == Accelerometer){
- //Accelerometer
- LOGD("BoschYamaha::~enable Accel(0, %d)", en);
- int flags = en ? 1 : 0;
- if (flags != accelEnabled) {
- int fd;
- strcpy(&input_accel_sysfs_path[input_accel_sysfs_path_len], "enable");
- LOGD("BoschYamaha::~enable Accel(0, %d) open %s",en, input_accel_sysfs_path);
- fd = open(input_accel_sysfs_path, O_RDWR);
- if (fd >= 0) {
- LOGD("CompassSensor::~enable(0, %d) opened %s",en, input_accel_sysfs_path);
- char buf[2];
- int err;
- buf[1] = 0;
- if (flags) {
- // counterAccel++;
- buf[0] = '1';
- } else {
- // counterAccel--;
- buf[0] = '0';
- }
- //if(counterAccel <= 1){
- err = write(fd, buf, sizeof(buf));
- //}
- close(fd);
- //mEnabled = flags;
- accelEnabled = flags;
- return 0;
- }
- }
- }
-
-
- return err;
-}
-
-int BoschYamaha::setDelay(int32_t handle, int64_t ns)
-{
- int what = -1;
- switch (handle) {
- case ID_A: what = Accelerometer; break;
- case ID_M: what = MagneticField; break;
- case ID_O: what = Orientation; break;
- }
-
- if (uint32_t(what) >= numSensors)
- return -EINVAL;
-
- if (ns < 0)
- return -EINVAL;
-
- mDelays[what] = ns;
- return update_delay();
-}
-
-int BoschYamaha::update_delay()
-{
- return 0;
-}
-
-
-bool BoschYamaha::hasPendingEvents() {
-
- //LOGD("hasPendingEvents was called");
- if(accelEnabled || compassEnabled){
- //LOGD("hasPendingEvents will return true");
- return true;
- }
- else {
- //LOGD("hasPendingEvents will return false");
- return false;
- }
-}
-
-
-
-int BoschYamaha::readEvents(sensors_event_t* data, int count)
-{
- if (count < 1)
- return -EINVAL;
-
-
- int numEventReceived = 0;
-
- //LOGD("Sensor: Read events was called with count: %d", count);
-
- if(compassEnabled)
- {
- //LOGD("Sensor: Compass is enabled, going to take care of it, count: %d", count);
- ssize_t n = mInputReaderMagnetic.fill(data_compass_fd);
- if (n < 0)
- return n;
-
- input_event const* event;
-
- while ( count && mInputReaderMagnetic.readEvent(&event)) {
- int type = event->type;
- //Everything is ABS!
- if (type == EV_ABS) {
- float value = event->value;
- if (event->code == EVENT_TYPE_MAGV_X) {
- mPendingEvents[MagneticField].magnetic.x = (value * CONVERT_M_X);
- } else if (event->code == EVENT_TYPE_MAGV_Y) {
- mPendingEvents[MagneticField].magnetic.y = (value * CONVERT_M_Y);
- } else if (event->code == EVENT_TYPE_MAGV_Z) {
- mPendingEvents[MagneticField].magnetic.z = (value * CONVERT_M_Z);
- }
- }
- else if (type == EV_SYN) {
- mPendingEvents[MagneticField].timestamp = timevalToNano(event->time);
- if (compassEnabled) {
- //LOGD("Sensor: Compass was enabled, made a read and received a Sync");
- compassDataReady = 1;
- compassLastRead[0] = mPendingEvents[MagneticField].magnetic.x;
- compassLastRead[1] = mPendingEvents[MagneticField].magnetic.y;
- compassLastRead[2] = mPendingEvents[MagneticField].magnetic.z;
-
- *data++ = mPendingEvents[MagneticField];
- count--;
- numEventReceived++;
- }
- } else {
- LOGE("BoschYamaha: unknown event (type=%d, code=%d)", type, event->code);
-
- }
- mInputReaderMagnetic.next();
- }
- }
-
- //LOGD("Sensor: Compass read quited, count: %d", count);
-
-
- if(accelEnabled)
- {
- //LOGD("Sensor: Accel is enabled, going to take care of it, count: %d", count);
-
- ssize_t n = mInputReaderAccel.fill(data_fd);
- //LOGD("Sensor: Accel Input Reader was filled up: %d", count);
- if (n < 0)
- return n;
-
- input_event const* event;
-
- while (count && mInputReaderAccel.readEvent(&event)) {
- int type = event->type;
- if (type == EV_ABS) {
- //LOGD("Sensor: Received one EV_ABS Event");
- float value = event->value;
- if (event->code == EVENT_TYPE_ACCEL_X) {
- mPendingEvents[Accelerometer].acceleration.x = value * CONVERT_A_X;
- } else if (event->code == EVENT_TYPE_ACCEL_Y) {
- mPendingEvents[Accelerometer].acceleration.y = value * CONVERT_A_Y;
- } else if (event->code == EVENT_TYPE_ACCEL_Z) {
- mPendingEvents[Accelerometer].acceleration.z = value * CONVERT_A_Z;
- }
- } else if (type == EV_SYN) {
- mPendingEvents[Accelerometer].timestamp = timevalToNano(event->time);
- if (accelEnabled) {
- //LOGD("Sensor: Accel was enabled, made a read and received a Sync");
- accelDataReady = 1;
- accelLastRead[0] = mPendingEvents[Accelerometer].acceleration.x;
- accelLastRead[1] = mPendingEvents[Accelerometer].acceleration.y;
- accelLastRead[2] = mPendingEvents[Accelerometer].acceleration.z;
- *data++ = mPendingEvents[Accelerometer];
- count--;
- numEventReceived++;
- }
- }
- else {
- LOGE("BoschYamaha: unknown event (type=%d, code=%d)", type, event->code);
-
- }
- mInputReaderAccel.next();
- }
- }
-
- //LOGD("Sensor: Accel read quited, count: %d, acceldata Ready: %d, compassData Ready = %d", count, accelDataReady, compassDataReady);
-
- if( (accelDataReady == 1) && (compassDataReady == 1)){
- //LOGD("BoschYamaha: Going to Process Orientation Data");
- accelDataReady = 0;
- compassDataReady = 0;
- processOrientation();
- *data++ = mPendingEvents[Orientation];
- numEventReceived++;
- }
-
-
- return numEventReceived;
-}
-
-
-int BoschYamaha::processOrientation(){
-
- float matrix[9], euler[3];
- int rt, i;
-
-
- rt = get_rotation_matrix(accelLastRead, compassLastRead, matrix);
-
-
- if (rt < 0) {
- for (i = 0; i < 3; i++) {
- euler[i] = 0;
- }
- }
- else {
- get_euler(matrix, euler);
- }
-
- //LOGD("BoschYamaha: azimuth is %d", (int)(euler[0]));
- //LOGD("BoschYamaha: pitch is %d", (int)(euler[1]));
- //LOGD("BoschYamaha: roll is %d", (int)(euler[2]));
-
- //Use CONVERT_O_A
- mPendingEvents[Orientation].orientation.azimuth = (int)(euler[0]);
- mPendingEvents[Orientation].orientation.pitch = (int)(euler[1]);
- mPendingEvents[Orientation].orientation.roll = (int)(euler[2]);
- //mPendingEvents[Orientation].orientation.status = uint8_t(value & SENSOR_STATE_MASK);
-
- return 1;
-
-}
-
-
-float BoschYamaha::calc_intensity(float x, float y, float z)
-{
- return sqrt(x*x + y*y + z*z);
-}
-
-
-int BoschYamaha::get_rotation_matrix(const float *gsdata, const float *msdata, float *matrix)
-{
- float m_intensity, g_intensity, a_intensity, b_intensity;
- float gdata[3], mdata[3], adata[3], bdata[3];
- int i;
-
- if (gsdata == NULL || msdata == NULL || matrix == NULL) {
- return -1;
- }
- g_intensity = calc_intensity(gsdata[0], gsdata[1], gsdata[2]);
- m_intensity = calc_intensity(msdata[0], msdata[1], msdata[2]);
- if (g_intensity == 0 || m_intensity == 0) {
- return -1;
- }
- for (i = 0; i < 3; i++) {
- gdata[i] = -gsdata[i] / g_intensity;
- mdata[i] = msdata[i] / m_intensity;
- }
-
- adata[0] = (gdata[1] * mdata[2] - gdata[2] * mdata[1]);
- adata[1] = (gdata[2] * mdata[0] - gdata[0] * mdata[2]);
- adata[2] = (gdata[0] * mdata[1] - gdata[1] * mdata[0]);
- a_intensity = calc_intensity(adata[0], adata[1], adata[2]);
- if (a_intensity == 0) {
- return -1;
- }
- for (i = 0; i < 3; i++) {
- adata[i] /= a_intensity;
- }
-
- bdata[0] = (adata[1] * gdata[2] - adata[2] * gdata[1]);
- bdata[1] = (adata[2] * gdata[0] - adata[0] * gdata[2]);
- bdata[2] = (adata[0] * gdata[1] - adata[1] * gdata[0]);
- b_intensity = calc_intensity(bdata[0], bdata[1], bdata[2]);
- if (b_intensity == 0) {
- return -1;
- }
- for (i = 0; i < 3; i++) {
- bdata[i] /= b_intensity;
- }
-
- matrix[0] = adata[0];
- matrix[1] = adata[1];
- matrix[2] = adata[2];
- matrix[3] = bdata[0];
- matrix[4] = bdata[1];
- matrix[5] = bdata[2];
- matrix[6] = -gdata[0];
- matrix[7] = -gdata[1];
- matrix[8] = -gdata[2];
-
- return 0;
-}
-
-int BoschYamaha::get_euler(const float *matrix, float *euler)
-{
- float m11, m12;
- float m21, m22;
- float m31, m32, m33;
- float yaw = 0, roll = 0, pitch = 0;
-
- if (matrix == NULL || euler == NULL) {
- return -1;
- }
-
- m11 = matrix[0];
- m12 = matrix[1];
- m21 = matrix[3];
- m22 = matrix[4];
- m31 = matrix[6];
- m32 = matrix[7];
- m33 = matrix[8];
-
- yaw = atan2(m12-m21, m11+m22);
- pitch = -asin(m32);
- roll = asin(m31);
-
- yaw *= 180.0 / M_PI;
- pitch *= 180.0 / M_PI;
- roll *= 180.0 / M_PI;
-
- if (m33 < 0) {
- pitch = -180 - pitch;
- if (pitch < -180) {
- pitch += 360;
- }
- }
- if (yaw < 0) {
- yaw += 360.0f;
- }
-
- euler[0] = (float)(int)yaw; /* yaw */
-
- euler[1] = (float)(int)pitch; /* pitch */
- euler[2] = (float)(int)roll; /* roll */
-
- return 0;
-}
-
-
-
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fcntl.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/select.h> +#include <dlfcn.h> + +#include <cutils/log.h> + +#include "BoschYamaha.h" + +/*****************************************************************************/ + +int stub_is_sensor_enabled(uint32_t sensor_type) { + return 0; +} + +int stub_enable_disable_sensor(uint32_t sensor_type) { + return -ENODEV; +} + +int stub_set_delay(uint64_t delay) { + return -ENODEV; +} + +BoschYamaha::BoschYamaha() +: SensorBase(NULL, NULL), + //mEnabled(0), + mPendingMask(0), + mInputReaderMagnetic(4), + mInputReaderAccel(4) +{ + + counterAccel = 0; + + /* FIXME set input device name for magnetic sensor */ + data_name = "input0"; + data_compass_fd = openInput("geomagnetic"); + + + //Open Compass + if (data_compass_fd) { + strcpy(input_sysfs_path, "/sys/class/input/"); + strcat(input_sysfs_path, input_name); + strcat(input_sysfs_path, "/device/"); + input_sysfs_path_len = strlen(input_sysfs_path); + //enable(MagneticField, 1); + + } + + /* FIXME set input device name for accelereometer sensor */ + data_accel_name = "event6"; + data_fd = openInput("SMB380-Sensor"); + + //Open Compass + if (data_fd) { + strcpy(input_accel_sysfs_path, "/sys/class/input/"); + strcat(input_accel_sysfs_path, data_accel_name); + strcat(input_accel_sysfs_path, "/device/"); + input_accel_sysfs_path_len = strlen(input_accel_sysfs_path); + + enable(Accelerometer, 1); + + } + + + memset(mPendingEvents, 0, sizeof(mPendingEvents)); + + mPendingEvents[Accelerometer].version = sizeof(sensors_event_t); + mPendingEvents[Accelerometer].sensor = ID_A; + mPendingEvents[Accelerometer].type = SENSOR_TYPE_ACCELEROMETER; + mPendingEvents[Accelerometer].acceleration.status = SENSOR_STATUS_ACCURACY_HIGH; + + mPendingEvents[MagneticField].version = sizeof(sensors_event_t); + mPendingEvents[MagneticField].sensor = ID_M; + mPendingEvents[MagneticField].type = SENSOR_TYPE_MAGNETIC_FIELD; + mPendingEvents[MagneticField].magnetic.status = SENSOR_STATUS_ACCURACY_HIGH; + + mPendingEvents[Orientation].version = sizeof(sensors_event_t); + mPendingEvents[Orientation].sensor = ID_O; + mPendingEvents[Orientation].type = SENSOR_TYPE_ORIENTATION; + mPendingEvents[Orientation].orientation.status = SENSOR_STATUS_ACCURACY_HIGH; + + + + + for (int i=0 ; i<numSensors ; i++) + mDelays[i] = 200000000; // 200 ms by default + +} + +BoschYamaha::~BoschYamaha() +{ + if(compassEnabled){ + enable(MagneticField, 0); + } + if(accelEnabled){ + enable(Accelerometer, 0); + } + +} + +int BoschYamaha::enable(int32_t handle, int en) +{ + int what = -1; + + switch (handle) { + case ID_A: what = Accelerometer; break; + case ID_M: what = MagneticField; break; + case ID_O: what = Orientation; break; + } + + if (uint32_t(what) >= numSensors) + return -EINVAL; + + int newState = en ? 1 : 0; + int err = 0; + + /* + //FIXME enabling the right sensor over sysfs interface + if(what == MagneticField){ + what = Accelerometer; //Enable also Accel + //Compass + LOGD("BoschYamaha::~enable Compass(0, %d)", en); + int flags = en ? 1 : 0; + if (flags != compassEnabled) { + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "enable"); + LOGD("BoschYamaha::~enable Compass(0, %d) open %s",en, input_sysfs_path); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + LOGD("CompassSensor::~enable(0, %d) opened %s",en, input_sysfs_path); + char buf[2]; + int err; + buf[1] = 0; + if (flags) { + buf[0] = '1'; + } else { + buf[0] = '0'; + } + err = write(fd, buf, sizeof(buf)); + close(fd); + //mEnabled = flags; + compassEnabled = flags; + return 0; + } + } + } + */ + + if(what == Accelerometer){ + //Accelerometer + LOGD("BoschYamaha::~enable Accel(0, %d)", en); + int flags = en ? 1 : 0; + if (flags != accelEnabled) { + int fd; + strcpy(&input_accel_sysfs_path[input_accel_sysfs_path_len], "enable"); + LOGD("BoschYamaha::~enable Accel(0, %d) open %s",en, input_accel_sysfs_path); + fd = open(input_accel_sysfs_path, O_RDWR); + if (fd >= 0) { + LOGD("CompassSensor::~enable(0, %d) opened %s",en, input_accel_sysfs_path); + char buf[2]; + int err; + buf[1] = 0; + if (flags) { + // counterAccel++; + buf[0] = '1'; + } else { + // counterAccel--; + buf[0] = '0'; + } + //if(counterAccel <= 1){ + err = write(fd, buf, sizeof(buf)); + //} + close(fd); + //mEnabled = flags; + accelEnabled = flags; + return 0; + } + } + } + + + return err; +} + +int BoschYamaha::setDelay(int32_t handle, int64_t ns) +{ + int what = -1; + switch (handle) { + case ID_A: what = Accelerometer; break; + case ID_M: what = MagneticField; break; + case ID_O: what = Orientation; break; + } + + if (uint32_t(what) >= numSensors) + return -EINVAL; + + if (ns < 0) + return -EINVAL; + + mDelays[what] = ns; + return update_delay(); +} + +int BoschYamaha::update_delay() +{ + return 0; +} + + +bool BoschYamaha::hasPendingEvents() { + + //LOGD("hasPendingEvents was called"); + if(accelEnabled || compassEnabled){ + //LOGD("hasPendingEvents will return true"); + return true; + } + else { + //LOGD("hasPendingEvents will return false"); + return false; + } +} + + + +int BoschYamaha::readEvents(sensors_event_t* data, int count) +{ + if (count < 1) + return -EINVAL; + + + int numEventReceived = 0; + + //LOGD("Sensor: Read events was called with count: %d", count); + + if(compassEnabled) + { + //LOGD("Sensor: Compass is enabled, going to take care of it, count: %d", count); + ssize_t n = mInputReaderMagnetic.fill(data_compass_fd); + if (n < 0) + return n; + + input_event const* event; + + while ( count && mInputReaderMagnetic.readEvent(&event)) { + int type = event->type; + //Everything is ABS! + if (type == EV_ABS) { + float value = event->value; + if (event->code == EVENT_TYPE_MAGV_X) { + mPendingEvents[MagneticField].magnetic.x = (value * CONVERT_M_X); + } else if (event->code == EVENT_TYPE_MAGV_Y) { + mPendingEvents[MagneticField].magnetic.y = (value * CONVERT_M_Y); + } else if (event->code == EVENT_TYPE_MAGV_Z) { + mPendingEvents[MagneticField].magnetic.z = (value * CONVERT_M_Z); + } + } + else if (type == EV_SYN) { + mPendingEvents[MagneticField].timestamp = timevalToNano(event->time); + if (compassEnabled) { + //LOGD("Sensor: Compass was enabled, made a read and received a Sync"); + compassDataReady = 1; + compassLastRead[0] = mPendingEvents[MagneticField].magnetic.x; + compassLastRead[1] = mPendingEvents[MagneticField].magnetic.y; + compassLastRead[2] = mPendingEvents[MagneticField].magnetic.z; + + *data++ = mPendingEvents[MagneticField]; + count--; + numEventReceived++; + } + } else { + LOGE("BoschYamaha: unknown event (type=%d, code=%d)", type, event->code); + + } + mInputReaderMagnetic.next(); + } + } + + //LOGD("Sensor: Compass read quited, count: %d", count); + + + if(accelEnabled) + { + //LOGD("Sensor: Accel is enabled, going to take care of it, count: %d", count); + + ssize_t n = mInputReaderAccel.fill(data_fd); + //LOGD("Sensor: Accel Input Reader was filled up: %d", count); + if (n < 0) + return n; + + input_event const* event; + + while (count && mInputReaderAccel.readEvent(&event)) { + int type = event->type; + if (type == EV_ABS) { + //LOGD("Sensor: Received one EV_ABS Event"); + float value = event->value; + if (event->code == EVENT_TYPE_ACCEL_X) { + mPendingEvents[Accelerometer].acceleration.x = value * CONVERT_A_X; + } else if (event->code == EVENT_TYPE_ACCEL_Y) { + mPendingEvents[Accelerometer].acceleration.y = value * CONVERT_A_Y; + } else if (event->code == EVENT_TYPE_ACCEL_Z) { + mPendingEvents[Accelerometer].acceleration.z = value * CONVERT_A_Z; + } + } else if (type == EV_SYN) { + mPendingEvents[Accelerometer].timestamp = timevalToNano(event->time); + if (accelEnabled) { + //LOGD("Sensor: Accel was enabled, made a read and received a Sync"); + accelDataReady = 1; + accelLastRead[0] = mPendingEvents[Accelerometer].acceleration.x; + accelLastRead[1] = mPendingEvents[Accelerometer].acceleration.y; + accelLastRead[2] = mPendingEvents[Accelerometer].acceleration.z; + *data++ = mPendingEvents[Accelerometer]; + count--; + numEventReceived++; + } + } + else { + LOGE("BoschYamaha: unknown event (type=%d, code=%d)", type, event->code); + + } + mInputReaderAccel.next(); + } + } + + //LOGD("Sensor: Accel read quited, count: %d, acceldata Ready: %d, compassData Ready = %d", count, accelDataReady, compassDataReady); + + if( (accelDataReady == 1) && (compassDataReady == 1)){ + //LOGD("BoschYamaha: Going to Process Orientation Data"); + accelDataReady = 0; + compassDataReady = 0; + processOrientation(); + *data++ = mPendingEvents[Orientation]; + numEventReceived++; + } + + + return numEventReceived; +} + + +int BoschYamaha::processOrientation(){ + + float matrix[9], euler[3]; + int rt, i; + + + rt = get_rotation_matrix(accelLastRead, compassLastRead, matrix); + + + if (rt < 0) { + for (i = 0; i < 3; i++) { + euler[i] = 0; + } + } + else { + get_euler(matrix, euler); + } + + //LOGD("BoschYamaha: azimuth is %d", (int)(euler[0])); + //LOGD("BoschYamaha: pitch is %d", (int)(euler[1])); + //LOGD("BoschYamaha: roll is %d", (int)(euler[2])); + + //Use CONVERT_O_A + mPendingEvents[Orientation].orientation.azimuth = (int)(euler[0]); + mPendingEvents[Orientation].orientation.pitch = (int)(euler[1]); + mPendingEvents[Orientation].orientation.roll = (int)(euler[2]); + //mPendingEvents[Orientation].orientation.status = uint8_t(value & SENSOR_STATE_MASK); + + return 1; + +} + + +float BoschYamaha::calc_intensity(float x, float y, float z) +{ + return sqrt(x*x + y*y + z*z); +} + + +int BoschYamaha::get_rotation_matrix(const float *gsdata, const float *msdata, float *matrix) +{ + float m_intensity, g_intensity, a_intensity, b_intensity; + float gdata[3], mdata[3], adata[3], bdata[3]; + int i; + + if (gsdata == NULL || msdata == NULL || matrix == NULL) { + return -1; + } + g_intensity = calc_intensity(gsdata[0], gsdata[1], gsdata[2]); + m_intensity = calc_intensity(msdata[0], msdata[1], msdata[2]); + if (g_intensity == 0 || m_intensity == 0) { + return -1; + } + for (i = 0; i < 3; i++) { + gdata[i] = -gsdata[i] / g_intensity; + mdata[i] = msdata[i] / m_intensity; + } + + adata[0] = (gdata[1] * mdata[2] - gdata[2] * mdata[1]); + adata[1] = (gdata[2] * mdata[0] - gdata[0] * mdata[2]); + adata[2] = (gdata[0] * mdata[1] - gdata[1] * mdata[0]); + a_intensity = calc_intensity(adata[0], adata[1], adata[2]); + if (a_intensity == 0) { + return -1; + } + for (i = 0; i < 3; i++) { + adata[i] /= a_intensity; + } + + bdata[0] = (adata[1] * gdata[2] - adata[2] * gdata[1]); + bdata[1] = (adata[2] * gdata[0] - adata[0] * gdata[2]); + bdata[2] = (adata[0] * gdata[1] - adata[1] * gdata[0]); + b_intensity = calc_intensity(bdata[0], bdata[1], bdata[2]); + if (b_intensity == 0) { + return -1; + } + for (i = 0; i < 3; i++) { + bdata[i] /= b_intensity; + } + + matrix[0] = adata[0]; + matrix[1] = adata[1]; + matrix[2] = adata[2]; + matrix[3] = bdata[0]; + matrix[4] = bdata[1]; + matrix[5] = bdata[2]; + matrix[6] = -gdata[0]; + matrix[7] = -gdata[1]; + matrix[8] = -gdata[2]; + + return 0; +} + +int BoschYamaha::get_euler(const float *matrix, float *euler) +{ + float m11, m12; + float m21, m22; + float m31, m32, m33; + float yaw = 0, roll = 0, pitch = 0; + + if (matrix == NULL || euler == NULL) { + return -1; + } + + m11 = matrix[0]; + m12 = matrix[1]; + m21 = matrix[3]; + m22 = matrix[4]; + m31 = matrix[6]; + m32 = matrix[7]; + m33 = matrix[8]; + + yaw = atan2(m12-m21, m11+m22); + pitch = -asin(m32); + roll = asin(m31); + + yaw *= 180.0 / M_PI; + pitch *= 180.0 / M_PI; + roll *= 180.0 / M_PI; + + if (m33 < 0) { + pitch = -180 - pitch; + if (pitch < -180) { + pitch += 360; + } + } + if (yaw < 0) { + yaw += 360.0f; + } + + euler[0] = (float)(int)yaw; /* yaw */ + + euler[1] = (float)(int)pitch; /* pitch */ + euler[2] = (float)(int)roll; /* roll */ + + return 0; +} + + + diff --git a/libsensors/BoschYamaha.h b/libsensors/BoschYamaha.h index 52af86b..c4b4988 100644 --- a/libsensors/BoschYamaha.h +++ b/libsensors/BoschYamaha.h @@ -1,83 +1,83 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_BOSCHYAMAHA_SENSOR_H
-#define ANDROID_BOSCHYAMAHA_SENSOR_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-
-#include "sensors.h"
-#include "SensorBase.h"
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-struct input_event;
-
-class BoschYamaha : public SensorBase {
-public:
- BoschYamaha();
- virtual ~BoschYamaha();
-
-
-
- enum {
- Accelerometer = 0,
- MagneticField = 1,
- Orientation = 2,
- numSensors
- };
-
- virtual int setDelay(int32_t handle, int64_t ns);
- virtual int enable(int32_t handle, int enabled);
- virtual int readEvents(sensors_event_t* data, int count);
- virtual bool hasPendingEvents();
- int processOrientation();
- float calc_intensity(float x, float y, float z);
- int get_rotation_matrix(const float *gsdata, const float *msdata, float *matrix);
- int get_euler(const float *matrix, float *euler);
-
-private:
- const char* data_accel_name;
- int data_compass_fd;
- int update_delay();
- //uint32_t mEnabled;
- int compassEnabled;
- int accelEnabled;
- float accelLastRead[3];
- float compassLastRead[3];
- int compassDataReady;
- int accelDataReady;
- int counterAccel;
- uint32_t mPendingMask;
- InputEventCircularReader mInputReaderMagnetic;
- InputEventCircularReader mInputReaderAccel;
- sensors_event_t mPendingEvents[numSensors];
- uint64_t mDelays[numSensors];
- char input_sysfs_path[PATH_MAX];
- int input_sysfs_path_len;
- char input_accel_sysfs_path[PATH_MAX];
- int input_accel_sysfs_path_len;
-
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_BOSCHYAMAHA_SENSOR_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_BOSCHYAMAHA_SENSOR_H +#define ANDROID_BOSCHYAMAHA_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + +struct input_event; + +class BoschYamaha : public SensorBase { +public: + BoschYamaha(); + virtual ~BoschYamaha(); + + + + enum { + Accelerometer = 0, + MagneticField = 1, + Orientation = 2, + numSensors + }; + + virtual int setDelay(int32_t handle, int64_t ns); + virtual int enable(int32_t handle, int enabled); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents(); + int processOrientation(); + float calc_intensity(float x, float y, float z); + int get_rotation_matrix(const float *gsdata, const float *msdata, float *matrix); + int get_euler(const float *matrix, float *euler); + +private: + const char* data_accel_name; + int data_compass_fd; + int update_delay(); + //uint32_t mEnabled; + int compassEnabled; + int accelEnabled; + float accelLastRead[3]; + float compassLastRead[3]; + int compassDataReady; + int accelDataReady; + int counterAccel; + uint32_t mPendingMask; + InputEventCircularReader mInputReaderMagnetic; + InputEventCircularReader mInputReaderAccel; + sensors_event_t mPendingEvents[numSensors]; + uint64_t mDelays[numSensors]; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + char input_accel_sysfs_path[PATH_MAX]; + int input_accel_sysfs_path_len; + +}; + +/*****************************************************************************/ + +#endif // ANDROID_BOSCHYAMAHA_SENSOR_H diff --git a/libsensors/CompassSensor.cpp b/libsensors/CompassSensor.cpp index cea0249..f4b3685 100644 --- a/libsensors/CompassSensor.cpp +++ b/libsensors/CompassSensor.cpp @@ -1,178 +1,178 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-#include <cutils/log.h>
-
-
-#include "CompassSensor.h"
-
-
-/*****************************************************************************/
-CompassSensor::CompassSensor()
- : SensorBase(NULL, "magnetic_sensor"),
- //mEnabled(0),
- mInputReader(4),
- mHasPendingEvent(false)
-{
- LOGD("CompassSensor::CompassSensor()");
- mPendingEvent.version = sizeof(sensors_event_t);
- mPendingEvent.sensor = ID_M;
- mPendingEvent.type = SENSOR_TYPE_MAGNETIC_FIELD;
- mPendingEvent.magnetic.status = SENSOR_STATUS_ACCURACY_HIGH;
-
-
- memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
-
- LOGD("CompassSensor::CompassSensor() open data_fd");
-
- if (data_fd) {
- strcpy(input_sysfs_path, "/sys/class/input/");
- strcat(input_sysfs_path, input_name);
- strcat(input_sysfs_path, "/device/");
- input_sysfs_path_len = strlen(input_sysfs_path);
-
- //enable(0, 1);
- }
-}
-
-CompassSensor::~CompassSensor() {
-
- LOGD("CompassSensor::~CompassSensor()");
- if (mEnabled) {
- enable(0, 0);
- }
-}
-
-
-
-int CompassSensor::enable(int32_t, int en) {
-
-
- LOGD("CompassSensor::~enable(0, %d)", en);
- int flags = en ? 1 : 0;
- if (flags != mEnabled) {
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
- LOGD("CompassSensor::~enable(0, %d) open %s",en, input_sysfs_path);
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- LOGD("CompassSensor::~enable(0, %d) opened %s",en, input_sysfs_path);
- char buf[2];
- int err;
- buf[1] = 0;
- if (flags) {
- buf[0] = '1';
- } else {
- buf[0] = '0';
- }
- err = write(fd, buf, sizeof(buf));
- close(fd);
- mEnabled = flags;
- return 0;
- }
- return -1;
- }
- return 0;
-}
-
-
-bool CompassSensor::hasPendingEvents() const {
- /* FIXME probably here should be returning mEnabled but instead
- mHasPendingEvents. It does not work, so we cheat.*/
- //LOGD("CompassSensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 );
- return mHasPendingEvent;
-}
-
-
-int CompassSensor::setDelay(int32_t handle, int64_t ns)
-{
- LOGD("CompassSensor::~setDelay(%d, %lld)", handle, ns);
-
- int fd;
-
- if (ns < 10000000) {
- ns = 10000000; // Minimum on stock
- }
-
- strcpy(&input_sysfs_path[input_sysfs_path_len], "delay");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[80];
- sprintf(buf, "%lld", ns / 10000000 * 10); // Some flooring to match stock value
- write(fd, buf, strlen(buf)+1);
- close(fd);
- return 0;
- }
- return -1;
-}
-
-
-int CompassSensor::readEvents(sensors_event_t* data, int count)
-{
- //LOGD("CompassSensor::~readEvents() %d", count);
- if (count < 1)
- return -EINVAL;
-
- if (mHasPendingEvent) {
- mHasPendingEvent = false;
- mPendingEvent.timestamp = getTimestamp();
- *data = mPendingEvent;
- return mEnabled ? 1 : 0;
- }
-
- ssize_t n = mInputReader.fill(data_fd);
- if (n < 0)
- return n;
-
- int numEventReceived = 0;
- input_event const* event;
-
- while (count && mInputReader.readEvent(&event)) {
- int type = event->type;
- if (type == EV_REL) {
- float value = event->value;
- if (event->code == EVENT_TYPE_MAGV_X) {
- mPendingEvent.magnetic.x = value * CONVERT_M_X;
- } else if (event->code == EVENT_TYPE_MAGV_Y) {
- mPendingEvent.magnetic.y = value * CONVERT_M_Y;
- } else if (event->code == EVENT_TYPE_MAGV_Z) {
- mPendingEvent.magnetic.z = value * CONVERT_M_Z;
- }
- } else if (type == EV_SYN) {
- mPendingEvent.timestamp = timevalToNano(event->time);
- if (mEnabled) {
- *data++ = mPendingEvent;
- count--;
- numEventReceived++;
- }
- } else {
- LOGE("CompassSensor: unknown event (type=%d, code=%d)",
- type, event->code);
- }
- mInputReader.next();
- }
-
- //LOGD("CompassSensor::~readEvents() numEventReceived = %d", numEventReceived);
- return numEventReceived++;
-
-}
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fcntl.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/select.h> +#include <cutils/log.h> + + +#include "CompassSensor.h" + + +/*****************************************************************************/ +CompassSensor::CompassSensor() + : SensorBase(NULL, "magnetic_sensor"), + //mEnabled(0), + mInputReader(4), + mHasPendingEvent(false) +{ + LOGD("CompassSensor::CompassSensor()"); + mPendingEvent.version = sizeof(sensors_event_t); + mPendingEvent.sensor = ID_M; + mPendingEvent.type = SENSOR_TYPE_MAGNETIC_FIELD; + mPendingEvent.magnetic.status = SENSOR_STATUS_ACCURACY_HIGH; + + + memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data)); + + LOGD("CompassSensor::CompassSensor() open data_fd"); + + if (data_fd) { + strcpy(input_sysfs_path, "/sys/class/input/"); + strcat(input_sysfs_path, input_name); + strcat(input_sysfs_path, "/device/"); + input_sysfs_path_len = strlen(input_sysfs_path); + + //enable(0, 1); + } +} + +CompassSensor::~CompassSensor() { + + LOGD("CompassSensor::~CompassSensor()"); + if (mEnabled) { + enable(0, 0); + } +} + + + +int CompassSensor::enable(int32_t, int en) { + + + LOGD("CompassSensor::~enable(0, %d)", en); + int flags = en ? 1 : 0; + if (flags != mEnabled) { + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "enable"); + LOGD("CompassSensor::~enable(0, %d) open %s",en, input_sysfs_path); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + LOGD("CompassSensor::~enable(0, %d) opened %s",en, input_sysfs_path); + char buf[2]; + int err; + buf[1] = 0; + if (flags) { + buf[0] = '1'; + } else { + buf[0] = '0'; + } + err = write(fd, buf, sizeof(buf)); + close(fd); + mEnabled = flags; + return 0; + } + return -1; + } + return 0; +} + + +bool CompassSensor::hasPendingEvents() const { + /* FIXME probably here should be returning mEnabled but instead + mHasPendingEvents. It does not work, so we cheat.*/ + //LOGD("CompassSensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 ); + return mHasPendingEvent; +} + + +int CompassSensor::setDelay(int32_t handle, int64_t ns) +{ + LOGD("CompassSensor::~setDelay(%d, %lld)", handle, ns); + + int fd; + + if (ns < 10000000) { + ns = 10000000; // Minimum on stock + } + + strcpy(&input_sysfs_path[input_sysfs_path_len], "delay"); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + char buf[80]; + sprintf(buf, "%lld", ns / 10000000 * 10); // Some flooring to match stock value + write(fd, buf, strlen(buf)+1); + close(fd); + return 0; + } + return -1; +} + + +int CompassSensor::readEvents(sensors_event_t* data, int count) +{ + //LOGD("CompassSensor::~readEvents() %d", count); + if (count < 1) + return -EINVAL; + + if (mHasPendingEvent) { + mHasPendingEvent = false; + mPendingEvent.timestamp = getTimestamp(); + *data = mPendingEvent; + return mEnabled ? 1 : 0; + } + + ssize_t n = mInputReader.fill(data_fd); + if (n < 0) + return n; + + int numEventReceived = 0; + input_event const* event; + + while (count && mInputReader.readEvent(&event)) { + int type = event->type; + if (type == EV_REL) { + float value = event->value; + if (event->code == EVENT_TYPE_MAGV_X) { + mPendingEvent.magnetic.x = value * CONVERT_M_X; + } else if (event->code == EVENT_TYPE_MAGV_Y) { + mPendingEvent.magnetic.y = value * CONVERT_M_Y; + } else if (event->code == EVENT_TYPE_MAGV_Z) { + mPendingEvent.magnetic.z = value * CONVERT_M_Z; + } + } else if (type == EV_SYN) { + mPendingEvent.timestamp = timevalToNano(event->time); + if (mEnabled) { + *data++ = mPendingEvent; + count--; + numEventReceived++; + } + } else { + LOGE("CompassSensor: unknown event (type=%d, code=%d)", + type, event->code); + } + mInputReader.next(); + } + + //LOGD("CompassSensor::~readEvents() numEventReceived = %d", numEventReceived); + return numEventReceived++; + +} diff --git a/libsensors/CompassSensor.h b/libsensors/CompassSensor.h index 0270431..9b34f9d 100644 --- a/libsensors/CompassSensor.h +++ b/libsensors/CompassSensor.h @@ -1,54 +1,54 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_COMPASS_SENSOR_H
-#define ANDROID_COMPASS_SENSOR_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include "sensors.h"
-#include "SensorBase.h"
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-
-struct input_event;
-
-class CompassSensor : public SensorBase {
- int mEnabled;
- InputEventCircularReader mInputReader;
- sensors_event_t mPendingEvent;
- bool mHasPendingEvent;
- char input_sysfs_path[PATH_MAX];
- int input_sysfs_path_len;
-
-
-public:
- CompassSensor();
- virtual ~CompassSensor();
- virtual int readEvents(sensors_event_t* data, int count);
- virtual bool hasPendingEvents() const;
- virtual int setDelay(int32_t handle, int64_t ns);
- virtual int enable(int32_t handle, int enabled);
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_GYRO_SENSOR_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_COMPASS_SENSOR_H +#define ANDROID_COMPASS_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + + +struct input_event; + +class CompassSensor : public SensorBase { + int mEnabled; + InputEventCircularReader mInputReader; + sensors_event_t mPendingEvent; + bool mHasPendingEvent; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + + +public: + CompassSensor(); + virtual ~CompassSensor(); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents() const; + virtual int setDelay(int32_t handle, int64_t ns); + virtual int enable(int32_t handle, int enabled); +}; + +/*****************************************************************************/ + +#endif // ANDROID_GYRO_SENSOR_H diff --git a/libsensors/GyroSensor.cpp b/libsensors/GyroSensor.cpp index 11df71e..7f6b864 100644 --- a/libsensors/GyroSensor.cpp +++ b/libsensors/GyroSensor.cpp @@ -1,181 +1,181 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-#include <cutils/log.h>
-
-#include "GyroSensor.h"
-
-#define FETCH_FULL_EVENT_BEFORE_RETURN 1
-
-/*****************************************************************************/
-
-GyroSensor::GyroSensor()
- : SensorBase(NULL, "gyro"),
- mEnabled(0),
- mInputReader(4),
- mHasPendingEvent(false)
-{
- mPendingEvent.version = sizeof(sensors_event_t);
- mPendingEvent.sensor = ID_GY;
- mPendingEvent.type = SENSOR_TYPE_GYROSCOPE;
- memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
-
- if (data_fd) {
- strcpy(input_sysfs_path, "/sys/class/input/");
- strcat(input_sysfs_path, input_name);
- strcat(input_sysfs_path, "/device/");
- input_sysfs_path_len = strlen(input_sysfs_path);
- enable(0, 1);
- }
-}
-
-GyroSensor::~GyroSensor() {
- if (mEnabled) {
- enable(0, 0);
- }
-}
-
-int GyroSensor::setInitialState() {
- struct input_absinfo absinfo_x;
- struct input_absinfo absinfo_y;
- struct input_absinfo absinfo_z;
- float value;
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_x) &&
- !ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_y) &&
- !ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_z)) {
- value = absinfo_x.value;
- mPendingEvent.data[0] = value * CONVERT_GYRO_X;
- value = absinfo_x.value;
- mPendingEvent.data[1] = value * CONVERT_GYRO_Y;
- value = absinfo_x.value;
- mPendingEvent.data[2] = value * CONVERT_GYRO_Z;
- mHasPendingEvent = true;
- }
- return 0;
-}
-
-int GyroSensor::enable(int32_t, int en) {
- int flags = en ? 1 : 0;
- if (flags != mEnabled) {
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[2];
- int err;
- buf[1] = 0;
- if (flags) {
- buf[0] = '1';
- } else {
- buf[0] = '0';
- }
- err = write(fd, buf, sizeof(buf));
- close(fd);
- mEnabled = flags;
- setInitialState();
- return 0;
- }
- return -1;
- }
- return 0;
-}
-
-bool GyroSensor::hasPendingEvents() const {
- return mHasPendingEvent;
-}
-
-int GyroSensor::setDelay(int32_t handle, int64_t delay_ns)
-{
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "poll_delay");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[80];
- sprintf(buf, "%lld", delay_ns);
- write(fd, buf, strlen(buf)+1);
- close(fd);
- return 0;
- }
- return -1;
-}
-
-int GyroSensor::readEvents(sensors_event_t* data, int count)
-{
- if (count < 1)
- return -EINVAL;
-
- if (mHasPendingEvent) {
- mHasPendingEvent = false;
- mPendingEvent.timestamp = getTimestamp();
- *data = mPendingEvent;
- return mEnabled ? 1 : 0;
- }
-
- ssize_t n = mInputReader.fill(data_fd);
- if (n < 0)
- return n;
-
- int numEventReceived = 0;
- input_event const* event;
-
-#if FETCH_FULL_EVENT_BEFORE_RETURN
-again:
-#endif
- while (count && mInputReader.readEvent(&event)) {
- int type = event->type;
- if (type == EV_REL) {
- float value = event->value;
- if (event->code == EVENT_TYPE_GYRO_X) {
- mPendingEvent.data[0] = value * CONVERT_GYRO_X;
- } else if (event->code == EVENT_TYPE_GYRO_Y) {
- mPendingEvent.data[1] = value * CONVERT_GYRO_Y;
- } else if (event->code == EVENT_TYPE_GYRO_Z) {
- mPendingEvent.data[2] = value * CONVERT_GYRO_Z;
- }
- } else if (type == EV_SYN) {
- mPendingEvent.timestamp = timevalToNano(event->time);
- if (mEnabled) {
- *data++ = mPendingEvent;
- count--;
- numEventReceived++;
- }
- } else {
- LOGE("GyroSensor: unknown event (type=%d, code=%d)",
- type, event->code);
- }
- mInputReader.next();
- }
-
-#if FETCH_FULL_EVENT_BEFORE_RETURN
- /* if we didn't read a complete event, see if we can fill and
- try again instead of returning with nothing and redoing poll. */
- if (numEventReceived == 0 && mEnabled == 1) {
- n = mInputReader.fill(data_fd);
- if (n)
- goto again;
- }
-#endif
-
- return numEventReceived;
-}
-
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fcntl.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/select.h> +#include <cutils/log.h> + +#include "GyroSensor.h" + +#define FETCH_FULL_EVENT_BEFORE_RETURN 1 + +/*****************************************************************************/ + +GyroSensor::GyroSensor() + : SensorBase(NULL, "gyro"), + mEnabled(0), + mInputReader(4), + mHasPendingEvent(false) +{ + mPendingEvent.version = sizeof(sensors_event_t); + mPendingEvent.sensor = ID_GY; + mPendingEvent.type = SENSOR_TYPE_GYROSCOPE; + memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data)); + + if (data_fd) { + strcpy(input_sysfs_path, "/sys/class/input/"); + strcat(input_sysfs_path, input_name); + strcat(input_sysfs_path, "/device/"); + input_sysfs_path_len = strlen(input_sysfs_path); + enable(0, 1); + } +} + +GyroSensor::~GyroSensor() { + if (mEnabled) { + enable(0, 0); + } +} + +int GyroSensor::setInitialState() { + struct input_absinfo absinfo_x; + struct input_absinfo absinfo_y; + struct input_absinfo absinfo_z; + float value; + if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_x) && + !ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_y) && + !ioctl(data_fd, EVIOCGABS(EVENT_TYPE_GYRO_X), &absinfo_z)) { + value = absinfo_x.value; + mPendingEvent.data[0] = value * CONVERT_GYRO_X; + value = absinfo_x.value; + mPendingEvent.data[1] = value * CONVERT_GYRO_Y; + value = absinfo_x.value; + mPendingEvent.data[2] = value * CONVERT_GYRO_Z; + mHasPendingEvent = true; + } + return 0; +} + +int GyroSensor::enable(int32_t, int en) { + int flags = en ? 1 : 0; + if (flags != mEnabled) { + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "enable"); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + char buf[2]; + int err; + buf[1] = 0; + if (flags) { + buf[0] = '1'; + } else { + buf[0] = '0'; + } + err = write(fd, buf, sizeof(buf)); + close(fd); + mEnabled = flags; + setInitialState(); + return 0; + } + return -1; + } + return 0; +} + +bool GyroSensor::hasPendingEvents() const { + return mHasPendingEvent; +} + +int GyroSensor::setDelay(int32_t handle, int64_t delay_ns) +{ + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "poll_delay"); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + char buf[80]; + sprintf(buf, "%lld", delay_ns); + write(fd, buf, strlen(buf)+1); + close(fd); + return 0; + } + return -1; +} + +int GyroSensor::readEvents(sensors_event_t* data, int count) +{ + if (count < 1) + return -EINVAL; + + if (mHasPendingEvent) { + mHasPendingEvent = false; + mPendingEvent.timestamp = getTimestamp(); + *data = mPendingEvent; + return mEnabled ? 1 : 0; + } + + ssize_t n = mInputReader.fill(data_fd); + if (n < 0) + return n; + + int numEventReceived = 0; + input_event const* event; + +#if FETCH_FULL_EVENT_BEFORE_RETURN +again: +#endif + while (count && mInputReader.readEvent(&event)) { + int type = event->type; + if (type == EV_REL) { + float value = event->value; + if (event->code == EVENT_TYPE_GYRO_X) { + mPendingEvent.data[0] = value * CONVERT_GYRO_X; + } else if (event->code == EVENT_TYPE_GYRO_Y) { + mPendingEvent.data[1] = value * CONVERT_GYRO_Y; + } else if (event->code == EVENT_TYPE_GYRO_Z) { + mPendingEvent.data[2] = value * CONVERT_GYRO_Z; + } + } else if (type == EV_SYN) { + mPendingEvent.timestamp = timevalToNano(event->time); + if (mEnabled) { + *data++ = mPendingEvent; + count--; + numEventReceived++; + } + } else { + LOGE("GyroSensor: unknown event (type=%d, code=%d)", + type, event->code); + } + mInputReader.next(); + } + +#if FETCH_FULL_EVENT_BEFORE_RETURN + /* if we didn't read a complete event, see if we can fill and + try again instead of returning with nothing and redoing poll. */ + if (numEventReceived == 0 && mEnabled == 1) { + n = mInputReader.fill(data_fd); + if (n) + goto again; + } +#endif + + return numEventReceived; +} + diff --git a/libsensors/GyroSensor.h b/libsensors/GyroSensor.h index 1b206bd..e5a9241 100644 --- a/libsensors/GyroSensor.h +++ b/libsensors/GyroSensor.h @@ -1,54 +1,54 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_GYRO_SENSOR_H
-#define ANDROID_GYRO_SENSOR_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include "sensors.h"
-#include "SensorBase.h"
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-struct input_event;
-
-class GyroSensor : public SensorBase {
- int mEnabled;
- InputEventCircularReader mInputReader;
- sensors_event_t mPendingEvent;
- bool mHasPendingEvent;
- char input_sysfs_path[PATH_MAX];
- int input_sysfs_path_len;
-
- int setInitialState();
-
-public:
- GyroSensor();
- virtual ~GyroSensor();
- virtual int readEvents(sensors_event_t* data, int count);
- virtual bool hasPendingEvents() const;
- virtual int setDelay(int32_t handle, int64_t ns);
- virtual int enable(int32_t handle, int enabled);
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_GYRO_SENSOR_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_GYRO_SENSOR_H +#define ANDROID_GYRO_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + +struct input_event; + +class GyroSensor : public SensorBase { + int mEnabled; + InputEventCircularReader mInputReader; + sensors_event_t mPendingEvent; + bool mHasPendingEvent; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + + int setInitialState(); + +public: + GyroSensor(); + virtual ~GyroSensor(); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents() const; + virtual int setDelay(int32_t handle, int64_t ns); + virtual int enable(int32_t handle, int enabled); +}; + +/*****************************************************************************/ + +#endif // ANDROID_GYRO_SENSOR_H diff --git a/libsensors/InputEventReader.cpp b/libsensors/InputEventReader.cpp index c6bac93..1014f29 100644 --- a/libsensors/InputEventReader.cpp +++ b/libsensors/InputEventReader.cpp @@ -1,88 +1,88 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdint.h>
-#include <errno.h>
-#include <unistd.h>
-#include <poll.h>
-
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include <linux/input.h>
-
-#include <cutils/log.h>
-
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-struct input_event;
-
-InputEventCircularReader::InputEventCircularReader(size_t numEvents)
- : mBuffer(new input_event[numEvents * 2]),
- mBufferEnd(mBuffer + numEvents),
- mHead(mBuffer),
- mCurr(mBuffer),
- mFreeSpace(numEvents)
-{
-}
-
-InputEventCircularReader::~InputEventCircularReader()
-{
- delete [] mBuffer;
-}
-
-ssize_t InputEventCircularReader::fill(int fd)
-{
- size_t numEventsRead = 0;
- if (mFreeSpace) {
- const ssize_t nread = read(fd, mHead, mFreeSpace * sizeof(input_event));
- if (nread<0 || nread % sizeof(input_event)) {
- // we got a partial event!!
- return nread<0 ? -errno : -EINVAL;
- }
-
- numEventsRead = nread / sizeof(input_event);
- if (numEventsRead) {
- mHead += numEventsRead;
- mFreeSpace -= numEventsRead;
- if (mHead > mBufferEnd) {
- size_t s = mHead - mBufferEnd;
- memcpy(mBuffer, mBufferEnd, s * sizeof(input_event));
- mHead = mBuffer + s;
- }
- }
- }
-
- return numEventsRead;
-}
-
-ssize_t InputEventCircularReader::readEvent(input_event const** events)
-{
- *events = mCurr;
- ssize_t available = (mBufferEnd - mBuffer) - mFreeSpace;
- return available ? 1 : 0;
-}
-
-void InputEventCircularReader::next()
-{
- mCurr++;
- mFreeSpace++;
- if (mCurr >= mBufferEnd) {
- mCurr = mBuffer;
- }
-}
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <stdint.h> +#include <errno.h> +#include <unistd.h> +#include <poll.h> + +#include <sys/cdefs.h> +#include <sys/types.h> + +#include <linux/input.h> + +#include <cutils/log.h> + +#include "InputEventReader.h" + +/*****************************************************************************/ + +struct input_event; + +InputEventCircularReader::InputEventCircularReader(size_t numEvents) + : mBuffer(new input_event[numEvents * 2]), + mBufferEnd(mBuffer + numEvents), + mHead(mBuffer), + mCurr(mBuffer), + mFreeSpace(numEvents) +{ +} + +InputEventCircularReader::~InputEventCircularReader() +{ + delete [] mBuffer; +} + +ssize_t InputEventCircularReader::fill(int fd) +{ + size_t numEventsRead = 0; + if (mFreeSpace) { + const ssize_t nread = read(fd, mHead, mFreeSpace * sizeof(input_event)); + if (nread<0 || nread % sizeof(input_event)) { + // we got a partial event!! + return nread<0 ? -errno : -EINVAL; + } + + numEventsRead = nread / sizeof(input_event); + if (numEventsRead) { + mHead += numEventsRead; + mFreeSpace -= numEventsRead; + if (mHead > mBufferEnd) { + size_t s = mHead - mBufferEnd; + memcpy(mBuffer, mBufferEnd, s * sizeof(input_event)); + mHead = mBuffer + s; + } + } + } + + return numEventsRead; +} + +ssize_t InputEventCircularReader::readEvent(input_event const** events) +{ + *events = mCurr; + ssize_t available = (mBufferEnd - mBuffer) - mFreeSpace; + return available ? 1 : 0; +} + +void InputEventCircularReader::next() +{ + mCurr++; + mFreeSpace++; + if (mCurr >= mBufferEnd) { + mCurr = mBuffer; + } +} diff --git a/libsensors/InputEventReader.h b/libsensors/InputEventReader.h index fbf5121..180aade 100644 --- a/libsensors/InputEventReader.h +++ b/libsensors/InputEventReader.h @@ -1,47 +1,47 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_INPUT_EVENT_READER_H
-#define ANDROID_INPUT_EVENT_READER_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-/*****************************************************************************/
-
-struct input_event;
-
-class InputEventCircularReader
-{
- struct input_event* const mBuffer;
- struct input_event* const mBufferEnd;
- struct input_event* mHead;
- struct input_event* mCurr;
- ssize_t mFreeSpace;
-
-public:
- InputEventCircularReader(size_t numEvents);
- ~InputEventCircularReader();
- ssize_t fill(int fd);
- ssize_t readEvent(input_event const** events);
- void next();
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_INPUT_EVENT_READER_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INPUT_EVENT_READER_H +#define ANDROID_INPUT_EVENT_READER_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +/*****************************************************************************/ + +struct input_event; + +class InputEventCircularReader +{ + struct input_event* const mBuffer; + struct input_event* const mBufferEnd; + struct input_event* mHead; + struct input_event* mCurr; + ssize_t mFreeSpace; + +public: + InputEventCircularReader(size_t numEvents); + ~InputEventCircularReader(); + ssize_t fill(int fd); + ssize_t readEvent(input_event const** events); + void next(); +}; + +/*****************************************************************************/ + +#endif // ANDROID_INPUT_EVENT_READER_H diff --git a/libsensors/LightSensor.cpp b/libsensors/LightSensor.cpp index ea3e250..9025029 100644 --- a/libsensors/LightSensor.cpp +++ b/libsensors/LightSensor.cpp @@ -1,180 +1,180 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-#include <cutils/log.h>
-
-#include "LightSensor.h"
-
-/*****************************************************************************/
-
-/* The Crespo ADC sends 4 somewhat bogus events after enabling the sensor.
- This becomes a problem if the phone is turned off in bright light
- and turned back on in the dark.
- To avoid this we ignore the first 4 events received after enabling the sensor.
- */
-#define FIRST_GOOD_EVENT 5
-
-LightSensor::LightSensor()
- : SensorBase(NULL, "light_sensor"),
- mEnabled(0),
- mEventsSinceEnable(0),
- mInputReader(4),
- mHasPendingEvent(false)
-{
- mPendingEvent.version = sizeof(sensors_event_t);
- mPendingEvent.sensor = ID_L;
- mPendingEvent.type = SENSOR_TYPE_LIGHT;
- memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
-
- if (data_fd) {
- strcpy(input_sysfs_path, "/sys/class/input/");
- strcat(input_sysfs_path, input_name);
- strcat(input_sysfs_path, "/device/");
- input_sysfs_path_len = strlen(input_sysfs_path);
- enable(0, 1);
- }
-}
-
-LightSensor::~LightSensor() {
- if (mEnabled) {
- enable(0, 0);
- }
-}
-
-int LightSensor::setDelay(int32_t handle, int64_t ns)
-{
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "poll_delay");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[80];
- sprintf(buf, "%lld", ns);
- write(fd, buf, strlen(buf)+1);
- close(fd);
- return 0;
- }
- return -1;
-}
-
-int LightSensor::enable(int32_t handle, int en)
-{
- int flags = en ? 1 : 0;
- mEventsSinceEnable = 0;
- mPreviousLight = -1;
- if (flags != mEnabled) {
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[2];
- int err;
- buf[1] = 0;
- if (flags) {
- buf[0] = '1';
- } else {
- buf[0] = '0';
- }
- err = write(fd, buf, sizeof(buf));
- close(fd);
- mEnabled = flags;
- return 0;
- }
- return -1;
- }
- return 0;
-}
-
-bool LightSensor::hasPendingEvents() const {
- return mHasPendingEvent;
-}
-
-int LightSensor::readEvents(sensors_event_t* data, int count)
-{
- if (count < 1)
- return -EINVAL;
-
- if (mHasPendingEvent) {
- mHasPendingEvent = false;
- mPendingEvent.timestamp = getTimestamp();
- *data = mPendingEvent;
- return mEnabled ? 1 : 0;
- }
-
- ssize_t n = mInputReader.fill(data_fd);
- if (n < 0)
- return n;
-
- int numEventReceived = 0;
- input_event const* event;
-
- while (count && mInputReader.readEvent(&event)) {
- int type = event->type;
- if (type == EV_ABS) {
- if (event->code == EVENT_TYPE_LIGHT) {
- mPendingEvent.light = indexToValue(event->value);
- if (mEventsSinceEnable < FIRST_GOOD_EVENT)
- mEventsSinceEnable++;
- }
- } else if (type == EV_SYN) {
- mPendingEvent.timestamp = timevalToNano(event->time);
- if (mEnabled && (mPendingEvent.light != mPreviousLight) &&
- mEventsSinceEnable >= FIRST_GOOD_EVENT) {
- *data++ = mPendingEvent;
- count--;
- numEventReceived++;
- mPreviousLight = mPendingEvent.light;
- }
- } else {
- LOGE("LightSensor: unknown event (type=%d, code=%d)",
- type, event->code);
- }
- mInputReader.next();
- }
-
- return numEventReceived;
-}
-
-float LightSensor::indexToValue(size_t index) const
-{
- /* Driver gives a rolling average adc value. We convert it lux levels. */
- static const struct adcToLux {
- size_t adc_value;
- float lux_value;
- } adcToLux[] = {
- { 150, 10.0 }, /* from 0 - 150 adc, we map to 10.0 lux */
- { 800, 160.0 }, /* from 151 - 800 adc, we map to 160.0 lux */
- { 900, 225.0 }, /* from 801 - 900 adc, we map to 225.0 lux */
- { 1000, 320.0 }, /* from 901 - 1000 adc, we map to 320.0 lux */
- { 1200, 640.0 }, /* from 1001 - 1200 adc, we map to 640.0 lux */
- { 1400, 1280.0 }, /* from 1201 - 1400 adc, we map to 1280.0 lux */
- { 1600, 2600.0 }, /* from 1401 - 1600 adc, we map to 2600.0 lux */
- { 4095, 10240.0 }, /* from 1601 - 4095 adc, we map to 10240.0 lux */
- };
- size_t i;
- for (i = 0; i < ARRAY_SIZE(adcToLux); i++) {
- if (index < adcToLux[i].adc_value) {
- return adcToLux[i].lux_value;
- }
- }
- return adcToLux[ARRAY_SIZE(adcToLux)-1].lux_value;
-}
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fcntl.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/select.h> +#include <cutils/log.h> + +#include "LightSensor.h" + +/*****************************************************************************/ + +/* The Crespo ADC sends 4 somewhat bogus events after enabling the sensor. + This becomes a problem if the phone is turned off in bright light + and turned back on in the dark. + To avoid this we ignore the first 4 events received after enabling the sensor. + */ +#define FIRST_GOOD_EVENT 5 + +LightSensor::LightSensor() + : SensorBase(NULL, "light_sensor"), + mEnabled(0), + mEventsSinceEnable(0), + mInputReader(4), + mHasPendingEvent(false) +{ + mPendingEvent.version = sizeof(sensors_event_t); + mPendingEvent.sensor = ID_L; + mPendingEvent.type = SENSOR_TYPE_LIGHT; + memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data)); + + if (data_fd) { + strcpy(input_sysfs_path, "/sys/class/input/"); + strcat(input_sysfs_path, input_name); + strcat(input_sysfs_path, "/device/"); + input_sysfs_path_len = strlen(input_sysfs_path); + enable(0, 1); + } +} + +LightSensor::~LightSensor() { + if (mEnabled) { + enable(0, 0); + } +} + +int LightSensor::setDelay(int32_t handle, int64_t ns) +{ + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "poll_delay"); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + char buf[80]; + sprintf(buf, "%lld", ns); + write(fd, buf, strlen(buf)+1); + close(fd); + return 0; + } + return -1; +} + +int LightSensor::enable(int32_t handle, int en) +{ + int flags = en ? 1 : 0; + mEventsSinceEnable = 0; + mPreviousLight = -1; + if (flags != mEnabled) { + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "enable"); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + char buf[2]; + int err; + buf[1] = 0; + if (flags) { + buf[0] = '1'; + } else { + buf[0] = '0'; + } + err = write(fd, buf, sizeof(buf)); + close(fd); + mEnabled = flags; + return 0; + } + return -1; + } + return 0; +} + +bool LightSensor::hasPendingEvents() const { + return mHasPendingEvent; +} + +int LightSensor::readEvents(sensors_event_t* data, int count) +{ + if (count < 1) + return -EINVAL; + + if (mHasPendingEvent) { + mHasPendingEvent = false; + mPendingEvent.timestamp = getTimestamp(); + *data = mPendingEvent; + return mEnabled ? 1 : 0; + } + + ssize_t n = mInputReader.fill(data_fd); + if (n < 0) + return n; + + int numEventReceived = 0; + input_event const* event; + + while (count && mInputReader.readEvent(&event)) { + int type = event->type; + if (type == EV_ABS) { + if (event->code == EVENT_TYPE_LIGHT) { + mPendingEvent.light = indexToValue(event->value); + if (mEventsSinceEnable < FIRST_GOOD_EVENT) + mEventsSinceEnable++; + } + } else if (type == EV_SYN) { + mPendingEvent.timestamp = timevalToNano(event->time); + if (mEnabled && (mPendingEvent.light != mPreviousLight) && + mEventsSinceEnable >= FIRST_GOOD_EVENT) { + *data++ = mPendingEvent; + count--; + numEventReceived++; + mPreviousLight = mPendingEvent.light; + } + } else { + LOGE("LightSensor: unknown event (type=%d, code=%d)", + type, event->code); + } + mInputReader.next(); + } + + return numEventReceived; +} + +float LightSensor::indexToValue(size_t index) const +{ + /* Driver gives a rolling average adc value. We convert it lux levels. */ + static const struct adcToLux { + size_t adc_value; + float lux_value; + } adcToLux[] = { + { 150, 10.0 }, /* from 0 - 150 adc, we map to 10.0 lux */ + { 800, 160.0 }, /* from 151 - 800 adc, we map to 160.0 lux */ + { 900, 225.0 }, /* from 801 - 900 adc, we map to 225.0 lux */ + { 1000, 320.0 }, /* from 901 - 1000 adc, we map to 320.0 lux */ + { 1200, 640.0 }, /* from 1001 - 1200 adc, we map to 640.0 lux */ + { 1400, 1280.0 }, /* from 1201 - 1400 adc, we map to 1280.0 lux */ + { 1600, 2600.0 }, /* from 1401 - 1600 adc, we map to 2600.0 lux */ + { 4095, 10240.0 }, /* from 1601 - 4095 adc, we map to 10240.0 lux */ + }; + size_t i; + for (i = 0; i < ARRAY_SIZE(adcToLux); i++) { + if (index < adcToLux[i].adc_value) { + return adcToLux[i].lux_value; + } + } + return adcToLux[ARRAY_SIZE(adcToLux)-1].lux_value; +} diff --git a/libsensors/LightSensor.h b/libsensors/LightSensor.h index cc1a00d..b40283f 100644 --- a/libsensors/LightSensor.h +++ b/libsensors/LightSensor.h @@ -1,57 +1,57 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_LIGHT_SENSOR_H
-#define ANDROID_LIGHT_SENSOR_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include "sensors.h"
-#include "SensorBase.h"
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-struct input_event;
-
-class LightSensor : public SensorBase {
- int mEnabled;
- int mEventsSinceEnable;
- InputEventCircularReader mInputReader;
- sensors_event_t mPendingEvent;
- bool mHasPendingEvent;
- char input_sysfs_path[PATH_MAX];
- int input_sysfs_path_len;
-
- int setInitialState();
- float mPreviousLight;
- float indexToValue(size_t index) const;
-
-public:
- LightSensor();
- virtual ~LightSensor();
- virtual int readEvents(sensors_event_t* data, int count);
- virtual bool hasPendingEvents() const;
- virtual int setDelay(int32_t handle, int64_t ns);
- virtual int enable(int32_t handle, int enabled);
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_LIGHT_SENSOR_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_LIGHT_SENSOR_H +#define ANDROID_LIGHT_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + +struct input_event; + +class LightSensor : public SensorBase { + int mEnabled; + int mEventsSinceEnable; + InputEventCircularReader mInputReader; + sensors_event_t mPendingEvent; + bool mHasPendingEvent; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + + int setInitialState(); + float mPreviousLight; + float indexToValue(size_t index) const; + +public: + LightSensor(); + virtual ~LightSensor(); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents() const; + virtual int setDelay(int32_t handle, int64_t ns); + virtual int enable(int32_t handle, int enabled); +}; + +/*****************************************************************************/ + +#endif // ANDROID_LIGHT_SENSOR_H diff --git a/libsensors/OrientationSensor.h b/libsensors/OrientationSensor.h index cbb7064..7add75b 100644 --- a/libsensors/OrientationSensor.h +++ b/libsensors/OrientationSensor.h @@ -1,54 +1,54 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_ORIEN_SENSOR_H
-#define ANDROID_ORIEN_SENSOR_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include "sensors.h"
-#include "SensorBase.h"
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-
-struct input_event;
-
-class OrientationSensor : public SensorBase {
- int mEnabled;
- InputEventCircularReader mInputReader;
- sensors_event_t mPendingEvent;
- bool mHasPendingEvent;
- char input_sysfs_path[PATH_MAX];
- int input_sysfs_path_len;
-
-
-public:
- OrientationSensor();
- virtual ~OrientationSensor();
- virtual int readEvents(sensors_event_t* data, int count);
- virtual bool hasPendingEvents() const;
- virtual int setDelay(int32_t handle, int64_t ns);
- virtual int enable(int32_t handle, int enabled);
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_GYRO_SENSOR_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_ORIEN_SENSOR_H +#define ANDROID_ORIEN_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + + +struct input_event; + +class OrientationSensor : public SensorBase { + int mEnabled; + InputEventCircularReader mInputReader; + sensors_event_t mPendingEvent; + bool mHasPendingEvent; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + + +public: + OrientationSensor(); + virtual ~OrientationSensor(); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents() const; + virtual int setDelay(int32_t handle, int64_t ns); + virtual int enable(int32_t handle, int enabled); +}; + +/*****************************************************************************/ + +#endif // ANDROID_GYRO_SENSOR_H diff --git a/libsensors/ProximitySensor.cpp b/libsensors/ProximitySensor.cpp index f7151ee..16917fc 100644 --- a/libsensors/ProximitySensor.cpp +++ b/libsensors/ProximitySensor.cpp @@ -1,144 +1,144 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-
-#include <cutils/log.h>
-
-#include "ProximitySensor.h"
-
-/*****************************************************************************/
-
-ProximitySensor::ProximitySensor()
- : SensorBase(NULL, "proximity_sensor"),
- mEnabled(0),
- mInputReader(4),
- mHasPendingEvent(false)
-{
- mPendingEvent.version = sizeof(sensors_event_t);
- mPendingEvent.sensor = ID_P;
- mPendingEvent.type = SENSOR_TYPE_PROXIMITY;
- memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
-
- if (data_fd) {
- strcpy(input_sysfs_path, "/sys/class/input/");
- strcat(input_sysfs_path, input_name);
- strcat(input_sysfs_path, "/device/");
- input_sysfs_path_len = strlen(input_sysfs_path);
- enable(0, 1);
- }
-}
-
-ProximitySensor::~ProximitySensor() {
- if (mEnabled) {
- enable(0, 0);
- }
-}
-
-int ProximitySensor::setInitialState() {
- struct input_absinfo absinfo;
- if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_PROXIMITY), &absinfo)) {
- // make sure to report an event immediately
- mHasPendingEvent = true;
- mPendingEvent.distance = indexToValue(absinfo.value);
- }
- return 0;
-}
-
-int ProximitySensor::enable(int32_t, int en) {
- int flags = en ? 1 : 0;
- if (flags != mEnabled) {
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[2];
- buf[1] = 0;
- if (flags) {
- buf[0] = '1';
- } else {
- buf[0] = '0';
- }
- write(fd, buf, sizeof(buf));
- close(fd);
- mEnabled = flags;
- setInitialState();
- return 0;
- }
- return -1;
- }
- return 0;
-}
-
-bool ProximitySensor::hasPendingEvents() const {
- return mHasPendingEvent;
-}
-
-int ProximitySensor::readEvents(sensors_event_t* data, int count)
-{
- if (count < 1)
- return -EINVAL;
-
- if (mHasPendingEvent) {
- mHasPendingEvent = false;
- mPendingEvent.timestamp = getTimestamp();
- *data = mPendingEvent;
- return mEnabled ? 1 : 0;
- }
-
- ssize_t n = mInputReader.fill(data_fd);
- if (n < 0)
- return n;
-
- int numEventReceived = 0;
- input_event const* event;
-
- while (count && mInputReader.readEvent(&event)) {
- int type = event->type;
- if (type == EV_ABS) {
- if (event->code == EVENT_TYPE_PROXIMITY) {
- if (event->value != -1) {
- // FIXME: not sure why we're getting -1 sometimes
- mPendingEvent.distance = indexToValue(event->value);
- }
- }
- } else if (type == EV_SYN) {
- mPendingEvent.timestamp = timevalToNano(event->time);
- if (mEnabled) {
- *data++ = mPendingEvent;
- count--;
- numEventReceived++;
- }
- } else {
- LOGE("ProximitySensor: unknown event (type=%d, code=%d)",
- type, event->code);
- }
- mInputReader.next();
- }
-
- return numEventReceived;
-}
-
-float ProximitySensor::indexToValue(size_t index) const
-{
- return index * PROXIMITY_THRESHOLD_GP2A;
-}
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fcntl.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/select.h> + +#include <cutils/log.h> + +#include "ProximitySensor.h" + +/*****************************************************************************/ + +ProximitySensor::ProximitySensor() + : SensorBase(NULL, "proximity_sensor"), + mEnabled(0), + mInputReader(4), + mHasPendingEvent(false) +{ + mPendingEvent.version = sizeof(sensors_event_t); + mPendingEvent.sensor = ID_P; + mPendingEvent.type = SENSOR_TYPE_PROXIMITY; + memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data)); + + if (data_fd) { + strcpy(input_sysfs_path, "/sys/class/input/"); + strcat(input_sysfs_path, input_name); + strcat(input_sysfs_path, "/device/"); + input_sysfs_path_len = strlen(input_sysfs_path); + enable(0, 1); + } +} + +ProximitySensor::~ProximitySensor() { + if (mEnabled) { + enable(0, 0); + } +} + +int ProximitySensor::setInitialState() { + struct input_absinfo absinfo; + if (!ioctl(data_fd, EVIOCGABS(EVENT_TYPE_PROXIMITY), &absinfo)) { + // make sure to report an event immediately + mHasPendingEvent = true; + mPendingEvent.distance = indexToValue(absinfo.value); + } + return 0; +} + +int ProximitySensor::enable(int32_t, int en) { + int flags = en ? 1 : 0; + if (flags != mEnabled) { + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "enable"); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + char buf[2]; + buf[1] = 0; + if (flags) { + buf[0] = '1'; + } else { + buf[0] = '0'; + } + write(fd, buf, sizeof(buf)); + close(fd); + mEnabled = flags; + setInitialState(); + return 0; + } + return -1; + } + return 0; +} + +bool ProximitySensor::hasPendingEvents() const { + return mHasPendingEvent; +} + +int ProximitySensor::readEvents(sensors_event_t* data, int count) +{ + if (count < 1) + return -EINVAL; + + if (mHasPendingEvent) { + mHasPendingEvent = false; + mPendingEvent.timestamp = getTimestamp(); + *data = mPendingEvent; + return mEnabled ? 1 : 0; + } + + ssize_t n = mInputReader.fill(data_fd); + if (n < 0) + return n; + + int numEventReceived = 0; + input_event const* event; + + while (count && mInputReader.readEvent(&event)) { + int type = event->type; + if (type == EV_ABS) { + if (event->code == EVENT_TYPE_PROXIMITY) { + if (event->value != -1) { + // FIXME: not sure why we're getting -1 sometimes + mPendingEvent.distance = indexToValue(event->value); + } + } + } else if (type == EV_SYN) { + mPendingEvent.timestamp = timevalToNano(event->time); + if (mEnabled) { + *data++ = mPendingEvent; + count--; + numEventReceived++; + } + } else { + LOGE("ProximitySensor: unknown event (type=%d, code=%d)", + type, event->code); + } + mInputReader.next(); + } + + return numEventReceived; +} + +float ProximitySensor::indexToValue(size_t index) const +{ + return index * PROXIMITY_THRESHOLD_GP2A; +} diff --git a/libsensors/ProximitySensor.h b/libsensors/ProximitySensor.h index e9f782f..08ea49c 100644 --- a/libsensors/ProximitySensor.h +++ b/libsensors/ProximitySensor.h @@ -1,54 +1,54 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_PROXIMITY_SENSOR_H
-#define ANDROID_PROXIMITY_SENSOR_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include "sensors.h"
-#include "SensorBase.h"
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-struct input_event;
-
-class ProximitySensor : public SensorBase {
- int mEnabled;
- InputEventCircularReader mInputReader;
- sensors_event_t mPendingEvent;
- bool mHasPendingEvent;
- char input_sysfs_path[PATH_MAX];
- int input_sysfs_path_len;
-
- int setInitialState();
- float indexToValue(size_t index) const;
-
-public:
- ProximitySensor();
- virtual ~ProximitySensor();
- virtual int readEvents(sensors_event_t* data, int count);
- virtual bool hasPendingEvents() const;
- virtual int enable(int32_t handle, int enabled);
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_PROXIMITY_SENSOR_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_PROXIMITY_SENSOR_H +#define ANDROID_PROXIMITY_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + +struct input_event; + +class ProximitySensor : public SensorBase { + int mEnabled; + InputEventCircularReader mInputReader; + sensors_event_t mPendingEvent; + bool mHasPendingEvent; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + + int setInitialState(); + float indexToValue(size_t index) const; + +public: + ProximitySensor(); + virtual ~ProximitySensor(); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents() const; + virtual int enable(int32_t handle, int enabled); +}; + +/*****************************************************************************/ + +#endif // ANDROID_PROXIMITY_SENSOR_H diff --git a/libsensors/SensorBase.cpp b/libsensors/SensorBase.cpp index 2fe5c2d..d448eb2 100644 --- a/libsensors/SensorBase.cpp +++ b/libsensors/SensorBase.cpp @@ -1,128 +1,128 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-
-#include <cutils/log.h>
-
-#include <linux/input.h>
-
-#include "SensorBase.h"
-
-/*****************************************************************************/
-
-SensorBase::SensorBase(
- const char* dev_name,
- const char* data_name)
- : dev_name(dev_name), data_name(data_name),
- dev_fd(-1), data_fd(-1)
-{
- if (data_name) {
- data_fd = openInput(data_name);
- }
-}
-
-SensorBase::~SensorBase() {
- if (data_fd >= 0) {
- close(data_fd);
- }
- if (dev_fd >= 0) {
- close(dev_fd);
- }
-}
-
-int SensorBase::open_device() {
- if (dev_fd<0 && dev_name) {
- dev_fd = open(dev_name, O_RDONLY);
- LOGE_IF(dev_fd<0, "Couldn't open %s (%s)", dev_name, strerror(errno));
- }
- return 0;
-}
-
-int SensorBase::close_device() {
- if (dev_fd >= 0) {
- close(dev_fd);
- dev_fd = -1;
- }
- return 0;
-}
-
-int SensorBase::getFd() const {
- if (!data_name) {
- return dev_fd;
- }
- return data_fd;
-}
-
-int SensorBase::setDelay(int32_t handle, int64_t ns) {
- return 0;
-}
-
-bool SensorBase::hasPendingEvents() const {
- return false;
-}
-
-int64_t SensorBase::getTimestamp() {
- struct timespec t;
- t.tv_sec = t.tv_nsec = 0;
- clock_gettime(CLOCK_MONOTONIC, &t);
- return int64_t(t.tv_sec)*1000000000LL + t.tv_nsec;
-}
-
-int SensorBase::openInput(const char* inputName) {
- int fd = -1;
- const char *dirname = "/dev/input";
- char devname[PATH_MAX];
- char *filename;
- DIR *dir;
- struct dirent *de;
- dir = opendir(dirname);
- if(dir == NULL)
- return -1;
- strcpy(devname, dirname);
- filename = devname + strlen(devname);
- *filename++ = '/';
- while((de = readdir(dir))) {
- if(de->d_name[0] == '.' &&
- (de->d_name[1] == '\0' ||
- (de->d_name[1] == '.' && de->d_name[2] == '\0')))
- continue;
- strcpy(filename, de->d_name);
- fd = open(devname, O_RDONLY);
- if (fd>=0) {
- char name[80];
- if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
- name[0] = '\0';
- }
- if (!strcmp(name, inputName)) {
- strcpy(input_name, filename);
- break;
- } else {
- close(fd);
- fd = -1;
- }
- }
- }
- closedir(dir);
- LOGE_IF(fd<0, "couldn't find '%s' input device", inputName);
- return fd;
-}
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fcntl.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/select.h> + +#include <cutils/log.h> + +#include <linux/input.h> + +#include "SensorBase.h" + +/*****************************************************************************/ + +SensorBase::SensorBase( + const char* dev_name, + const char* data_name) + : dev_name(dev_name), data_name(data_name), + dev_fd(-1), data_fd(-1) +{ + if (data_name) { + data_fd = openInput(data_name); + } +} + +SensorBase::~SensorBase() { + if (data_fd >= 0) { + close(data_fd); + } + if (dev_fd >= 0) { + close(dev_fd); + } +} + +int SensorBase::open_device() { + if (dev_fd<0 && dev_name) { + dev_fd = open(dev_name, O_RDONLY); + LOGE_IF(dev_fd<0, "Couldn't open %s (%s)", dev_name, strerror(errno)); + } + return 0; +} + +int SensorBase::close_device() { + if (dev_fd >= 0) { + close(dev_fd); + dev_fd = -1; + } + return 0; +} + +int SensorBase::getFd() const { + if (!data_name) { + return dev_fd; + } + return data_fd; +} + +int SensorBase::setDelay(int32_t handle, int64_t ns) { + return 0; +} + +bool SensorBase::hasPendingEvents() const { + return false; +} + +int64_t SensorBase::getTimestamp() { + struct timespec t; + t.tv_sec = t.tv_nsec = 0; + clock_gettime(CLOCK_MONOTONIC, &t); + return int64_t(t.tv_sec)*1000000000LL + t.tv_nsec; +} + +int SensorBase::openInput(const char* inputName) { + int fd = -1; + const char *dirname = "/dev/input"; + char devname[PATH_MAX]; + char *filename; + DIR *dir; + struct dirent *de; + dir = opendir(dirname); + if(dir == NULL) + return -1; + strcpy(devname, dirname); + filename = devname + strlen(devname); + *filename++ = '/'; + while((de = readdir(dir))) { + if(de->d_name[0] == '.' && + (de->d_name[1] == '\0' || + (de->d_name[1] == '.' && de->d_name[2] == '\0'))) + continue; + strcpy(filename, de->d_name); + fd = open(devname, O_RDONLY); + if (fd>=0) { + char name[80]; + if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) { + name[0] = '\0'; + } + if (!strcmp(name, inputName)) { + strcpy(input_name, filename); + break; + } else { + close(fd); + fd = -1; + } + } + } + closedir(dir); + LOGE_IF(fd<0, "couldn't find '%s' input device", inputName); + return fd; +} diff --git a/libsensors/SensorBase.h b/libsensors/SensorBase.h index 6b4b555..bb4d055 100644 --- a/libsensors/SensorBase.h +++ b/libsensors/SensorBase.h @@ -1,65 +1,65 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SENSOR_BASE_H
-#define ANDROID_SENSOR_BASE_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-
-/*****************************************************************************/
-
-struct sensors_event_t;
-
-class SensorBase {
-protected:
- const char* dev_name;
- const char* data_name;
- char input_name[PATH_MAX];
- int dev_fd;
- int data_fd;
-
- int openInput(const char* inputName);
- static int64_t getTimestamp();
-
-
- static int64_t timevalToNano(timeval const& t) {
- return t.tv_sec*1000000000LL + t.tv_usec*1000;
- }
-
- int open_device();
- int close_device();
-
-public:
- SensorBase(
- const char* dev_name,
- const char* data_name);
-
- virtual ~SensorBase();
-
- virtual int readEvents(sensors_event_t* data, int count) = 0;
- virtual bool hasPendingEvents() const;
- virtual int getFd() const;
- virtual int setDelay(int32_t handle, int64_t ns);
- virtual int enable(int32_t handle, int enabled) = 0;
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_SENSOR_BASE_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_SENSOR_BASE_H +#define ANDROID_SENSOR_BASE_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + + +/*****************************************************************************/ + +struct sensors_event_t; + +class SensorBase { +protected: + const char* dev_name; + const char* data_name; + char input_name[PATH_MAX]; + int dev_fd; + int data_fd; + + int openInput(const char* inputName); + static int64_t getTimestamp(); + + + static int64_t timevalToNano(timeval const& t) { + return t.tv_sec*1000000000LL + t.tv_usec*1000; + } + + int open_device(); + int close_device(); + +public: + SensorBase( + const char* dev_name, + const char* data_name); + + virtual ~SensorBase(); + + virtual int readEvents(sensors_event_t* data, int count) = 0; + virtual bool hasPendingEvents() const; + virtual int getFd() const; + virtual int setDelay(int32_t handle, int64_t ns); + virtual int enable(int32_t handle, int enabled) = 0; +}; + +/*****************************************************************************/ + +#endif // ANDROID_SENSOR_BASE_H diff --git a/libsensors/Smb380Sensor.cpp b/libsensors/Smb380Sensor.cpp index feb1b22..e7565b1 100644 --- a/libsensors/Smb380Sensor.cpp +++ b/libsensors/Smb380Sensor.cpp @@ -1,177 +1,177 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <poll.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/select.h>
-#include <cutils/log.h>
-
-
-#include "Smb380Sensor.h"
-
-
-/*****************************************************************************/
-Smb380Sensor::Smb380Sensor()
- : SensorBase(NULL, "accelerometer_sensor"),
- mEnabled(0),
-
- mInputReader(4),
- mHasPendingEvent(false)
-{
- LOGD("Smb380Sensor::Smb380Sensor()");
- mPendingEvent.version = sizeof(sensors_event_t);
- mPendingEvent.sensor = ID_A;
- mPendingEvent.type = SENSOR_TYPE_ACCELEROMETER;
- memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data));
-
- LOGD("Smb380Sensor::Smb380Sensor() open data_fd");
-
- if (data_fd) {
- strcpy(input_sysfs_path, "/sys/class/input/");
- strcat(input_sysfs_path, input_name);
- strcat(input_sysfs_path, "/device/");
- input_sysfs_path_len = strlen(input_sysfs_path);
-
- //enable(0, 1);
- }
-}
-
-Smb380Sensor::~Smb380Sensor() {
-
- LOGD("Smb380Sensor::~Smb380Sensor()");
- if (mEnabled) {
- enable(0, 0);
- }
-}
-
-
-
-int Smb380Sensor::enable(int32_t, int en) {
-
-
- LOGD("Smb380Sensor::~enable(0, %d)", en);
- int flags = en ? 1 : 0;
- if (flags != mEnabled) {
- int fd;
- strcpy(&input_sysfs_path[input_sysfs_path_len], "enable");
- LOGD("Smb380Sensor::~enable(0, %d) open %s",en, input_sysfs_path);
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- LOGD("Smb380Sensor::~enable(0, %d) opened %s",en, input_sysfs_path);
- char buf[2];
- int err;
- buf[1] = 0;
- if (flags) {
- buf[0] = '1';
- } else {
- buf[0] = '0';
- }
- err = write(fd, buf, sizeof(buf));
- close(fd);
- mEnabled = flags;
- //setInitialState();
- return 0;
- }
- return -1;
- }
- return 0;
-}
-
-
-bool Smb380Sensor::hasPendingEvents() const {
- /* FIXME probably here should be returning mEnabled but instead
- mHasPendingEvents. It does not work, so we cheat.*/
- //LOGD("Smb380Sensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 );
- return mHasPendingEvent;
-}
-
-
-int Smb380Sensor::setDelay(int32_t handle, int64_t ns)
-{
- LOGD("Smb380Sensor::~setDelay(%d, %lld)", handle, ns);
-
- int fd;
-
- if (ns < 10000000) {
- ns = 10000000; // Minimum on stock
- }
-
- strcpy(&input_sysfs_path[input_sysfs_path_len], "delay");
- fd = open(input_sysfs_path, O_RDWR);
- if (fd >= 0) {
- char buf[80];
- sprintf(buf, "%lld", ns / 10000000 * 10); // Some flooring to match stock value
- write(fd, buf, strlen(buf)+1);
- close(fd);
- return 0;
- }
- return -1;
-}
-
-
-int Smb380Sensor::readEvents(sensors_event_t* data, int count)
-{
- //LOGD("Smb380Sensor::~readEvents() %d", count);
- if (count < 1)
- return -EINVAL;
-
- if (mHasPendingEvent) {
- mHasPendingEvent = false;
- mPendingEvent.timestamp = getTimestamp();
- *data = mPendingEvent;
- return mEnabled ? 1 : 0;
- }
-
- ssize_t n = mInputReader.fill(data_fd);
- if (n < 0)
- return n;
-
- int numEventReceived = 0;
- input_event const* event;
-
- while (count && mInputReader.readEvent(&event)) {
- int type = event->type;
- if (type == EV_REL) {
- float value = event->value;
- if (event->code == EVENT_TYPE_ACCEL_X) {
- mPendingEvent.acceleration.x = value * CONVERT_A_X;
- } else if (event->code == EVENT_TYPE_ACCEL_Y) {
- mPendingEvent.acceleration.y = value * CONVERT_A_Y;
- } else if (event->code == EVENT_TYPE_ACCEL_Z) {
- mPendingEvent.acceleration.z = value * CONVERT_A_Z;
- }
- } else if (type == EV_SYN) {
- mPendingEvent.timestamp = timevalToNano(event->time);
- if (mEnabled) {
- *data++ = mPendingEvent;
- count--;
- numEventReceived++;
- }
- } else {
- LOGE("Smb380Sensor: unknown event (type=%d, code=%d)",
- type, event->code);
- }
- mInputReader.next();
- }
-
- //LOGD("Smb380Sensor::~readEvents() numEventReceived = %d", numEventReceived);
- return numEventReceived++;
-
-}
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <fcntl.h> +#include <errno.h> +#include <math.h> +#include <poll.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/select.h> +#include <cutils/log.h> + + +#include "Smb380Sensor.h" + + +/*****************************************************************************/ +Smb380Sensor::Smb380Sensor() + : SensorBase(NULL, "accelerometer_sensor"), + mEnabled(0), + + mInputReader(4), + mHasPendingEvent(false) +{ + LOGD("Smb380Sensor::Smb380Sensor()"); + mPendingEvent.version = sizeof(sensors_event_t); + mPendingEvent.sensor = ID_A; + mPendingEvent.type = SENSOR_TYPE_ACCELEROMETER; + memset(mPendingEvent.data, 0, sizeof(mPendingEvent.data)); + + LOGD("Smb380Sensor::Smb380Sensor() open data_fd"); + + if (data_fd) { + strcpy(input_sysfs_path, "/sys/class/input/"); + strcat(input_sysfs_path, input_name); + strcat(input_sysfs_path, "/device/"); + input_sysfs_path_len = strlen(input_sysfs_path); + + //enable(0, 1); + } +} + +Smb380Sensor::~Smb380Sensor() { + + LOGD("Smb380Sensor::~Smb380Sensor()"); + if (mEnabled) { + enable(0, 0); + } +} + + + +int Smb380Sensor::enable(int32_t, int en) { + + + LOGD("Smb380Sensor::~enable(0, %d)", en); + int flags = en ? 1 : 0; + if (flags != mEnabled) { + int fd; + strcpy(&input_sysfs_path[input_sysfs_path_len], "enable"); + LOGD("Smb380Sensor::~enable(0, %d) open %s",en, input_sysfs_path); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + LOGD("Smb380Sensor::~enable(0, %d) opened %s",en, input_sysfs_path); + char buf[2]; + int err; + buf[1] = 0; + if (flags) { + buf[0] = '1'; + } else { + buf[0] = '0'; + } + err = write(fd, buf, sizeof(buf)); + close(fd); + mEnabled = flags; + //setInitialState(); + return 0; + } + return -1; + } + return 0; +} + + +bool Smb380Sensor::hasPendingEvents() const { + /* FIXME probably here should be returning mEnabled but instead + mHasPendingEvents. It does not work, so we cheat.*/ + //LOGD("Smb380Sensor::~hasPendingEvents %d", mHasPendingEvent ? 1 : 0 ); + return mHasPendingEvent; +} + + +int Smb380Sensor::setDelay(int32_t handle, int64_t ns) +{ + LOGD("Smb380Sensor::~setDelay(%d, %lld)", handle, ns); + + int fd; + + if (ns < 10000000) { + ns = 10000000; // Minimum on stock + } + + strcpy(&input_sysfs_path[input_sysfs_path_len], "delay"); + fd = open(input_sysfs_path, O_RDWR); + if (fd >= 0) { + char buf[80]; + sprintf(buf, "%lld", ns / 10000000 * 10); // Some flooring to match stock value + write(fd, buf, strlen(buf)+1); + close(fd); + return 0; + } + return -1; +} + + +int Smb380Sensor::readEvents(sensors_event_t* data, int count) +{ + //LOGD("Smb380Sensor::~readEvents() %d", count); + if (count < 1) + return -EINVAL; + + if (mHasPendingEvent) { + mHasPendingEvent = false; + mPendingEvent.timestamp = getTimestamp(); + *data = mPendingEvent; + return mEnabled ? 1 : 0; + } + + ssize_t n = mInputReader.fill(data_fd); + if (n < 0) + return n; + + int numEventReceived = 0; + input_event const* event; + + while (count && mInputReader.readEvent(&event)) { + int type = event->type; + if (type == EV_REL) { + float value = event->value; + if (event->code == EVENT_TYPE_ACCEL_X) { + mPendingEvent.acceleration.x = value * CONVERT_A_X; + } else if (event->code == EVENT_TYPE_ACCEL_Y) { + mPendingEvent.acceleration.y = value * CONVERT_A_Y; + } else if (event->code == EVENT_TYPE_ACCEL_Z) { + mPendingEvent.acceleration.z = value * CONVERT_A_Z; + } + } else if (type == EV_SYN) { + mPendingEvent.timestamp = timevalToNano(event->time); + if (mEnabled) { + *data++ = mPendingEvent; + count--; + numEventReceived++; + } + } else { + LOGE("Smb380Sensor: unknown event (type=%d, code=%d)", + type, event->code); + } + mInputReader.next(); + } + + //LOGD("Smb380Sensor::~readEvents() numEventReceived = %d", numEventReceived); + return numEventReceived++; + +} diff --git a/libsensors/Smb380Sensor.h b/libsensors/Smb380Sensor.h index 5e55e9b..1277ab4 100644 --- a/libsensors/Smb380Sensor.h +++ b/libsensors/Smb380Sensor.h @@ -1,69 +1,69 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SMB380_SENSOR_H
-#define ANDROID_SMB380_SENSOR_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include "sensors.h"
-#include "SensorBase.h"
-#include "InputEventReader.h"
-
-/*****************************************************************************/
-
-
-struct smb380acc_t {
- short x, /**< holds x-axis acceleration data sign extended. Range -512 to 511. */
- y, /**< holds y-axis acceleration data sign extended. Range -512 to 511. */
- z; /**< holds z-axis acceleration data sign extended. Range -512 to 511. */
-} ;
-
-/* smb ioctl command label */
-#define IOCTL_SMB_GET_ACC_VALUE 0
-#define DCM_IOC_MAGIC 's'
-#define IOC_SET_ACCELEROMETER _IO (DCM_IOC_MAGIC, 0x64)
-#define BMA150_CALIBRATION _IOWR(DCM_IOC_MAGIC,48,short)
-
-#define SMB_POWER_OFF 0
-#define SMB_POWER_ON 1
-
-struct input_event;
-
-class Smb380Sensor : public SensorBase {
- int mEnabled;
- InputEventCircularReader mInputReader;
- sensors_event_t mPendingEvent;
- bool mHasPendingEvent;
- char input_sysfs_path[PATH_MAX];
- int input_sysfs_path_len;
-
-
-public:
- Smb380Sensor();
- virtual ~Smb380Sensor();
- virtual int readEvents(sensors_event_t* data, int count);
- virtual bool hasPendingEvents() const;
- virtual int setDelay(int32_t handle, int64_t ns);
- virtual int enable(int32_t handle, int enabled);
-};
-
-/*****************************************************************************/
-
-#endif // ANDROID_GYRO_SENSOR_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_SMB380_SENSOR_H +#define ANDROID_SMB380_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + + +struct smb380acc_t { + short x, /**< holds x-axis acceleration data sign extended. Range -512 to 511. */ + y, /**< holds y-axis acceleration data sign extended. Range -512 to 511. */ + z; /**< holds z-axis acceleration data sign extended. Range -512 to 511. */ +} ; + +/* smb ioctl command label */ +#define IOCTL_SMB_GET_ACC_VALUE 0 +#define DCM_IOC_MAGIC 's' +#define IOC_SET_ACCELEROMETER _IO (DCM_IOC_MAGIC, 0x64) +#define BMA150_CALIBRATION _IOWR(DCM_IOC_MAGIC,48,short) + +#define SMB_POWER_OFF 0 +#define SMB_POWER_ON 1 + +struct input_event; + +class Smb380Sensor : public SensorBase { + int mEnabled; + InputEventCircularReader mInputReader; + sensors_event_t mPendingEvent; + bool mHasPendingEvent; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + + +public: + Smb380Sensor(); + virtual ~Smb380Sensor(); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents() const; + virtual int setDelay(int32_t handle, int64_t ns); + virtual int enable(int32_t handle, int enabled); +}; + +/*****************************************************************************/ + +#endif // ANDROID_GYRO_SENSOR_H diff --git a/libsensors/sensors.cpp b/libsensors/sensors.cpp index 1a128cb..ca0a382 100644 --- a/libsensors/sensors.cpp +++ b/libsensors/sensors.cpp @@ -1,376 +1,376 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Sensors"
-
-#include <hardware/sensors.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <dirent.h>
-#include <math.h>
-#include <poll.h>
-#include <pthread.h>
-#include <stdlib.h>
-
-#include <linux/input.h>
-
-
-#include <utils/Atomic.h>
-#include <utils/Log.h>
-
-#include "sensors.h"
-
-#include "LightSensor.h"
-#include "ProximitySensor.h"
-//#include "BoschYamaha.h"
-#include "Smb380Sensor.h"
-#include "CompassSensor.h"
-#include "OrientationSensor.h"
-
-/*****************************************************************************/
-
-#define DELAY_OUT_TIME 0x7FFFFFFF
-
-#define LIGHT_SENSOR_POLLTIME 2000000000
-
-
-#define SENSORS_ACCELERATION (1<<ID_A)
-#define SENSORS_MAGNETIC_FIELD (1<<ID_M)
-#define SENSORS_ORIENTATION (1<<ID_O)
-#define SENSORS_LIGHT (1<<ID_L)
-#define SENSORS_PROXIMITY (1<<ID_P)
-#define SENSORS_GYROSCOPE (1<<ID_GY)
-
-#define SENSORS_ACCELERATION_HANDLE 0
-#define SENSORS_MAGNETIC_FIELD_HANDLE 1
-#define SENSORS_ORIENTATION_HANDLE 2
-#define SENSORS_LIGHT_HANDLE 3
-#define SENSORS_PROXIMITY_HANDLE 4
-#define SENSORS_GYROSCOPE_HANDLE 5
-
-#define AKM_FTRACE 0
-#define AKM_DEBUG 0
-#define AKM_DATA 0
-
-/*****************************************************************************/
-
-/* The SENSORS Module */
-static const struct sensor_t sSensorList[] = {
-
- { "SMB380 3-axis Accelerometer",
- "Bosch Sensortec",
- 1, SENSORS_ACCELERATION_HANDLE,
- SENSOR_TYPE_ACCELEROMETER, RANGE_A, RESOLUTION_A, 0.20f, 40000, { } },
- { "MS3C 3-axis Magnetic field sensor",
- "Yamaha ",
- 1, SENSORS_MAGNETIC_FIELD_HANDLE,
- SENSOR_TYPE_MAGNETIC_FIELD, 2000.0f, CONVERT_M, 6.8f, 30000, { } },
- { "CM Hacked Orientation Sensor",
- "CM Team",
- 1, SENSORS_ORIENTATION_HANDLE,
- SENSOR_TYPE_ORIENTATION, 360.0f, CONVERT_O, 7.8f, 30000, { } },
- { "GP2A Light sensor",
- "Sharp",
- 1, SENSORS_LIGHT_HANDLE,
- SENSOR_TYPE_LIGHT, 10240.0f, 1.0f, 0.75f, 0, { } },
- { "GP2A Proximity sensor",
- "Sharp",
- 1, SENSORS_PROXIMITY_HANDLE,
- SENSOR_TYPE_PROXIMITY, 5.0f, 5.0f, 0.75f, 0, { } },
-};
-
-
-static int open_sensors(const struct hw_module_t* module, const char* id,
- struct hw_device_t** device);
-
-
-static int sensors__get_sensors_list(struct sensors_module_t* module,
- struct sensor_t const** list)
-{
- *list = sSensorList;
- return ARRAY_SIZE(sSensorList);
-}
-
-static struct hw_module_methods_t sensors_module_methods = {
- open: open_sensors
-};
-
-struct sensors_module_t HAL_MODULE_INFO_SYM = {
- common: {
- tag: HARDWARE_MODULE_TAG,
- version_major: 1,
- version_minor: 0,
- id: SENSORS_HARDWARE_MODULE_ID,
- name: "Samsung Sensor module",
- author: "Samsung Electronic Company",
- methods: &sensors_module_methods,
- },
- get_sensors_list: sensors__get_sensors_list,
-};
-
-struct sensors_poll_context_t {
- struct sensors_poll_device_t device; // must be first
-
- sensors_poll_context_t();
- ~sensors_poll_context_t();
- int activate(int handle, int enabled);
- int setDelay(int handle, int64_t ns);
- int pollEvents(sensors_event_t* data, int count);
-
-private:
- enum {
- light = 0,
- proximity = 1,
- bosch = 2,
- yamaha = 3,
- orientation = 4,
- numSensorDrivers,
- numFds,
- };
-
- static const size_t wake = numFds - 1;
- static const char WAKE_MESSAGE = 'W';
- struct pollfd mPollFds[numFds];
- int mWritePipeFd;
- SensorBase* mSensors[numSensorDrivers];
-
- // For keeping track of usage (only count from system)
- bool mAccelActive;
- bool mMagnetActive;
- bool mOrientationActive;
-
- int real_activate(int handle, int enabled);
-
- int handleToDriver(int handle) const {
- switch (handle) {
-
- case ID_A:
- return bosch;
- case ID_M:
- return yamaha;
- case ID_O:
- return orientation;
- case ID_P:
- return proximity;
- case ID_L:
- return light;
-
- }
- return -EINVAL;
- }
-};
-
-/*****************************************************************************/
-
-sensors_poll_context_t::sensors_poll_context_t()
-{
- mSensors[light] = new LightSensor();
- mPollFds[light].fd = mSensors[light]->getFd();
- mPollFds[light].events = POLLIN;
- mPollFds[light].revents = 0;
-
- mSensors[proximity] = new ProximitySensor();
- mPollFds[proximity].fd = mSensors[proximity]->getFd();
- mPollFds[proximity].events = POLLIN;
- mPollFds[proximity].revents = 0;
-
- mSensors[bosch] = new Smb380Sensor();
- mPollFds[bosch].fd = mSensors[bosch]->getFd();
- mPollFds[bosch].events = POLLIN;
- mPollFds[bosch].revents = 0;
-
- mSensors[yamaha] = new CompassSensor();
- mPollFds[yamaha].fd = mSensors[yamaha]->getFd();
- mPollFds[yamaha].events = POLLIN;
- mPollFds[yamaha].revents = 0;
-
- mSensors[orientation] = new OrientationSensor();
- mPollFds[orientation].fd = mSensors[orientation]->getFd();
- mPollFds[orientation].events = POLLIN;
- mPollFds[orientation].revents = 0;
-
- int wakeFds[2];
- int result = pipe(wakeFds);
- LOGE_IF(result<0, "error creating wake pipe (%s)", strerror(errno));
- fcntl(wakeFds[0], F_SETFL, O_NONBLOCK);
- fcntl(wakeFds[1], F_SETFL, O_NONBLOCK);
- mWritePipeFd = wakeFds[1];
-
- mPollFds[wake].fd = wakeFds[0];
- mPollFds[wake].events = POLLIN;
- mPollFds[wake].revents = 0;
-
- mAccelActive = false;
- mMagnetActive = false;
- mOrientationActive = false;
-}
-
-sensors_poll_context_t::~sensors_poll_context_t() {
- for (int i=0 ; i<numSensorDrivers ; i++) {
- delete mSensors[i];
- }
- close(mPollFds[wake].fd);
- close(mWritePipeFd);
-}
-
-int sensors_poll_context_t::activate(int handle, int enabled) {
- int err;
-
- // Orientation requires accelerometer and magnetic sensor
- if (handle == ID_O) {
- mOrientationActive = enabled ? true : false;
- if (!mAccelActive) {
- err = real_activate(ID_A, enabled);
- if (err) return err;
- }
- if (!mMagnetActive) {
- err = real_activate(ID_M, enabled);
- if (err) return err;
- }
- }
- // Keep track of magnetic and accelerometer use from system
- else if (handle == ID_A) {
- mAccelActive = enabled ? true : false;
- // No need to enable or disable if orientation sensor is active as that will handle it
- if (mOrientationActive) return 0;
- }
- else if (handle == ID_M) {
- mMagnetActive = enabled ? true : false;
- // No need to enable or disable if orientation sensor is active as that will handle it
- if (mOrientationActive) return 0;
- }
-
- return real_activate(handle, enabled);
-}
-
-int sensors_poll_context_t::real_activate(int handle, int enabled) {
- int index = handleToDriver(handle);
- if (index < 0) return index;
- int err = mSensors[index]->enable(handle, enabled);
- if (enabled && !err) {
- const char wakeMessage(WAKE_MESSAGE);
- int result = write(mWritePipeFd, &wakeMessage, 1);
- LOGE_IF(result<0, "error sending wake message (%s)", strerror(errno));
- }
- return err;
-}
-
-int sensors_poll_context_t::setDelay(int handle, int64_t ns) {
-
- int index = handleToDriver(handle);
- if (index < 0) return index;
- return mSensors[index]->setDelay(handle, ns);
-}
-
-int sensors_poll_context_t::pollEvents(sensors_event_t* data, int count)
-{
- int nbEvents = 0;
- int n = 0;
-
- do {
- // see if we have some leftover from the last poll()
- for (int i=0 ; count && i<numSensorDrivers ; i++) {
- SensorBase* const sensor(mSensors[i]);
- if ((mPollFds[i].revents & POLLIN) || (sensor->hasPendingEvents())) {
- int nb = sensor->readEvents(data, count);
- if (nb < count) {
- // no more data for this sensor
- mPollFds[i].revents = 0;
- }
- count -= nb;
- nbEvents += nb;
- data += nb;
- }
- }
-
- if (count) {
- // we still have some room, so try to see if we can get
- // some events immediately or just wait if we don't have
- // anything to return
- n = poll(mPollFds, numFds, nbEvents ? 0 : -1);
- if (n<0) {
- LOGE("poll() failed (%s)", strerror(errno));
- return -errno;
- }
- if (mPollFds[wake].revents & POLLIN) {
- char msg;
- int result = read(mPollFds[wake].fd, &msg, 1);
- LOGE_IF(result<0, "error reading from wake pipe (%s)", strerror(errno));
- LOGE_IF(msg != WAKE_MESSAGE, "unknown message on wake queue (0x%02x)", int(msg));
-
- mPollFds[wake].revents = 0;
- }
- }
- // if we have events and space, go read them
- } while (n && count);
-
- return nbEvents;
-}
-
-/*****************************************************************************/
-
-static int poll__close(struct hw_device_t *dev)
-{
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- if (ctx) {
- delete ctx;
- }
- return 0;
-}
-
-static int poll__activate(struct sensors_poll_device_t *dev,
- int handle, int enabled) {
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->activate(handle, enabled);
-}
-
-static int poll__setDelay(struct sensors_poll_device_t *dev,
- int handle, int64_t ns) {
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->setDelay(handle, ns);
-}
-
-static int poll__poll(struct sensors_poll_device_t *dev,
- sensors_event_t* data, int count) {
- sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev;
- return ctx->pollEvents(data, count);
-}
-
-/*****************************************************************************/
-
-/** Open a new instance of a sensor device using name */
-static int open_sensors(const struct hw_module_t* module, const char* id,
- struct hw_device_t** device)
-{
- int status = -EINVAL;
- sensors_poll_context_t *dev = new sensors_poll_context_t();
-
- memset(&dev->device, 0, sizeof(sensors_poll_device_t));
-
- dev->device.common.tag = HARDWARE_DEVICE_TAG;
- dev->device.common.version = 0;
- dev->device.common.module = const_cast<hw_module_t*>(module);
- dev->device.common.close = poll__close;
- dev->device.activate = poll__activate;
- dev->device.setDelay = poll__setDelay;
- dev->device.poll = poll__poll;
-
- *device = &dev->device.common;
- status = 0;
-
- return status;
-}
-
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define LOG_TAG "Sensors" + +#include <hardware/sensors.h> +#include <fcntl.h> +#include <errno.h> +#include <dirent.h> +#include <math.h> +#include <poll.h> +#include <pthread.h> +#include <stdlib.h> + +#include <linux/input.h> + + +#include <utils/Atomic.h> +#include <utils/Log.h> + +#include "sensors.h" + +#include "LightSensor.h" +#include "ProximitySensor.h" +//#include "BoschYamaha.h" +#include "Smb380Sensor.h" +#include "CompassSensor.h" +#include "OrientationSensor.h" + +/*****************************************************************************/ + +#define DELAY_OUT_TIME 0x7FFFFFFF + +#define LIGHT_SENSOR_POLLTIME 2000000000 + + +#define SENSORS_ACCELERATION (1<<ID_A) +#define SENSORS_MAGNETIC_FIELD (1<<ID_M) +#define SENSORS_ORIENTATION (1<<ID_O) +#define SENSORS_LIGHT (1<<ID_L) +#define SENSORS_PROXIMITY (1<<ID_P) +#define SENSORS_GYROSCOPE (1<<ID_GY) + +#define SENSORS_ACCELERATION_HANDLE 0 +#define SENSORS_MAGNETIC_FIELD_HANDLE 1 +#define SENSORS_ORIENTATION_HANDLE 2 +#define SENSORS_LIGHT_HANDLE 3 +#define SENSORS_PROXIMITY_HANDLE 4 +#define SENSORS_GYROSCOPE_HANDLE 5 + +#define AKM_FTRACE 0 +#define AKM_DEBUG 0 +#define AKM_DATA 0 + +/*****************************************************************************/ + +/* The SENSORS Module */ +static const struct sensor_t sSensorList[] = { + + { "SMB380 3-axis Accelerometer", + "Bosch Sensortec", + 1, SENSORS_ACCELERATION_HANDLE, + SENSOR_TYPE_ACCELEROMETER, RANGE_A, RESOLUTION_A, 0.20f, 40000, { } }, + { "MS3C 3-axis Magnetic field sensor", + "Yamaha ", + 1, SENSORS_MAGNETIC_FIELD_HANDLE, + SENSOR_TYPE_MAGNETIC_FIELD, 2000.0f, CONVERT_M, 6.8f, 30000, { } }, + { "CM Hacked Orientation Sensor", + "CM Team", + 1, SENSORS_ORIENTATION_HANDLE, + SENSOR_TYPE_ORIENTATION, 360.0f, CONVERT_O, 7.8f, 30000, { } }, + { "GP2A Light sensor", + "Sharp", + 1, SENSORS_LIGHT_HANDLE, + SENSOR_TYPE_LIGHT, 10240.0f, 1.0f, 0.75f, 0, { } }, + { "GP2A Proximity sensor", + "Sharp", + 1, SENSORS_PROXIMITY_HANDLE, + SENSOR_TYPE_PROXIMITY, 5.0f, 5.0f, 0.75f, 0, { } }, +}; + + +static int open_sensors(const struct hw_module_t* module, const char* id, + struct hw_device_t** device); + + +static int sensors__get_sensors_list(struct sensors_module_t* module, + struct sensor_t const** list) +{ + *list = sSensorList; + return ARRAY_SIZE(sSensorList); +} + +static struct hw_module_methods_t sensors_module_methods = { + open: open_sensors +}; + +struct sensors_module_t HAL_MODULE_INFO_SYM = { + common: { + tag: HARDWARE_MODULE_TAG, + version_major: 1, + version_minor: 0, + id: SENSORS_HARDWARE_MODULE_ID, + name: "Samsung Sensor module", + author: "Samsung Electronic Company", + methods: &sensors_module_methods, + }, + get_sensors_list: sensors__get_sensors_list, +}; + +struct sensors_poll_context_t { + struct sensors_poll_device_t device; // must be first + + sensors_poll_context_t(); + ~sensors_poll_context_t(); + int activate(int handle, int enabled); + int setDelay(int handle, int64_t ns); + int pollEvents(sensors_event_t* data, int count); + +private: + enum { + light = 0, + proximity = 1, + bosch = 2, + yamaha = 3, + orientation = 4, + numSensorDrivers, + numFds, + }; + + static const size_t wake = numFds - 1; + static const char WAKE_MESSAGE = 'W'; + struct pollfd mPollFds[numFds]; + int mWritePipeFd; + SensorBase* mSensors[numSensorDrivers]; + + // For keeping track of usage (only count from system) + bool mAccelActive; + bool mMagnetActive; + bool mOrientationActive; + + int real_activate(int handle, int enabled); + + int handleToDriver(int handle) const { + switch (handle) { + + case ID_A: + return bosch; + case ID_M: + return yamaha; + case ID_O: + return orientation; + case ID_P: + return proximity; + case ID_L: + return light; + + } + return -EINVAL; + } +}; + +/*****************************************************************************/ + +sensors_poll_context_t::sensors_poll_context_t() +{ + mSensors[light] = new LightSensor(); + mPollFds[light].fd = mSensors[light]->getFd(); + mPollFds[light].events = POLLIN; + mPollFds[light].revents = 0; + + mSensors[proximity] = new ProximitySensor(); + mPollFds[proximity].fd = mSensors[proximity]->getFd(); + mPollFds[proximity].events = POLLIN; + mPollFds[proximity].revents = 0; + + mSensors[bosch] = new Smb380Sensor(); + mPollFds[bosch].fd = mSensors[bosch]->getFd(); + mPollFds[bosch].events = POLLIN; + mPollFds[bosch].revents = 0; + + mSensors[yamaha] = new CompassSensor(); + mPollFds[yamaha].fd = mSensors[yamaha]->getFd(); + mPollFds[yamaha].events = POLLIN; + mPollFds[yamaha].revents = 0; + + mSensors[orientation] = new OrientationSensor(); + mPollFds[orientation].fd = mSensors[orientation]->getFd(); + mPollFds[orientation].events = POLLIN; + mPollFds[orientation].revents = 0; + + int wakeFds[2]; + int result = pipe(wakeFds); + LOGE_IF(result<0, "error creating wake pipe (%s)", strerror(errno)); + fcntl(wakeFds[0], F_SETFL, O_NONBLOCK); + fcntl(wakeFds[1], F_SETFL, O_NONBLOCK); + mWritePipeFd = wakeFds[1]; + + mPollFds[wake].fd = wakeFds[0]; + mPollFds[wake].events = POLLIN; + mPollFds[wake].revents = 0; + + mAccelActive = false; + mMagnetActive = false; + mOrientationActive = false; +} + +sensors_poll_context_t::~sensors_poll_context_t() { + for (int i=0 ; i<numSensorDrivers ; i++) { + delete mSensors[i]; + } + close(mPollFds[wake].fd); + close(mWritePipeFd); +} + +int sensors_poll_context_t::activate(int handle, int enabled) { + int err; + + // Orientation requires accelerometer and magnetic sensor + if (handle == ID_O) { + mOrientationActive = enabled ? true : false; + if (!mAccelActive) { + err = real_activate(ID_A, enabled); + if (err) return err; + } + if (!mMagnetActive) { + err = real_activate(ID_M, enabled); + if (err) return err; + } + } + // Keep track of magnetic and accelerometer use from system + else if (handle == ID_A) { + mAccelActive = enabled ? true : false; + // No need to enable or disable if orientation sensor is active as that will handle it + if (mOrientationActive) return 0; + } + else if (handle == ID_M) { + mMagnetActive = enabled ? true : false; + // No need to enable or disable if orientation sensor is active as that will handle it + if (mOrientationActive) return 0; + } + + return real_activate(handle, enabled); +} + +int sensors_poll_context_t::real_activate(int handle, int enabled) { + int index = handleToDriver(handle); + if (index < 0) return index; + int err = mSensors[index]->enable(handle, enabled); + if (enabled && !err) { + const char wakeMessage(WAKE_MESSAGE); + int result = write(mWritePipeFd, &wakeMessage, 1); + LOGE_IF(result<0, "error sending wake message (%s)", strerror(errno)); + } + return err; +} + +int sensors_poll_context_t::setDelay(int handle, int64_t ns) { + + int index = handleToDriver(handle); + if (index < 0) return index; + return mSensors[index]->setDelay(handle, ns); +} + +int sensors_poll_context_t::pollEvents(sensors_event_t* data, int count) +{ + int nbEvents = 0; + int n = 0; + + do { + // see if we have some leftover from the last poll() + for (int i=0 ; count && i<numSensorDrivers ; i++) { + SensorBase* const sensor(mSensors[i]); + if ((mPollFds[i].revents & POLLIN) || (sensor->hasPendingEvents())) { + int nb = sensor->readEvents(data, count); + if (nb < count) { + // no more data for this sensor + mPollFds[i].revents = 0; + } + count -= nb; + nbEvents += nb; + data += nb; + } + } + + if (count) { + // we still have some room, so try to see if we can get + // some events immediately or just wait if we don't have + // anything to return + n = poll(mPollFds, numFds, nbEvents ? 0 : -1); + if (n<0) { + LOGE("poll() failed (%s)", strerror(errno)); + return -errno; + } + if (mPollFds[wake].revents & POLLIN) { + char msg; + int result = read(mPollFds[wake].fd, &msg, 1); + LOGE_IF(result<0, "error reading from wake pipe (%s)", strerror(errno)); + LOGE_IF(msg != WAKE_MESSAGE, "unknown message on wake queue (0x%02x)", int(msg)); + + mPollFds[wake].revents = 0; + } + } + // if we have events and space, go read them + } while (n && count); + + return nbEvents; +} + +/*****************************************************************************/ + +static int poll__close(struct hw_device_t *dev) +{ + sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; + if (ctx) { + delete ctx; + } + return 0; +} + +static int poll__activate(struct sensors_poll_device_t *dev, + int handle, int enabled) { + sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; + return ctx->activate(handle, enabled); +} + +static int poll__setDelay(struct sensors_poll_device_t *dev, + int handle, int64_t ns) { + sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; + return ctx->setDelay(handle, ns); +} + +static int poll__poll(struct sensors_poll_device_t *dev, + sensors_event_t* data, int count) { + sensors_poll_context_t *ctx = (sensors_poll_context_t *)dev; + return ctx->pollEvents(data, count); +} + +/*****************************************************************************/ + +/** Open a new instance of a sensor device using name */ +static int open_sensors(const struct hw_module_t* module, const char* id, + struct hw_device_t** device) +{ + int status = -EINVAL; + sensors_poll_context_t *dev = new sensors_poll_context_t(); + + memset(&dev->device, 0, sizeof(sensors_poll_device_t)); + + dev->device.common.tag = HARDWARE_DEVICE_TAG; + dev->device.common.version = 0; + dev->device.common.module = const_cast<hw_module_t*>(module); + dev->device.common.close = poll__close; + dev->device.activate = poll__activate; + dev->device.setDelay = poll__setDelay; + dev->device.poll = poll__poll; + + *device = &dev->device.common; + status = 0; + + return status; +} + diff --git a/libsensors/sensors.h b/libsensors/sensors.h index 4943fc1..2b7e138 100644 --- a/libsensors/sensors.h +++ b/libsensors/sensors.h @@ -1,117 +1,117 @@ -/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_SENSORS_H
-#define ANDROID_SENSORS_H
-
-#include <stdint.h>
-#include <errno.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include <linux/input.h>
-
-#include <hardware/hardware.h>
-#include <hardware/sensors.h>
-
-__BEGIN_DECLS
-
-/*****************************************************************************/
-
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
-
-#define ID_A (0)
-#define ID_M (1)
-#define ID_O (2)
-#define ID_L (3)
-#define ID_P (4)
-#define ID_GY (5)
-
-/*****************************************************************************/
-
-/*
- * The SENSORS Module
- */
-
-/* the GP2A is a binary proximity sensor that triggers around 5 cm on
- * this hardware */
-#define PROXIMITY_THRESHOLD_GP2A 5.0f
-
-/*****************************************************************************/
-
-#define AKM_DEVICE_NAME "/dev/akm8973_aot"
-
-
-#define EVENT_TYPE_ACCEL_X ABS_X
-#define EVENT_TYPE_ACCEL_Y ABS_Y
-#define EVENT_TYPE_ACCEL_Z ABS_Z
-
-#define EVENT_TYPE_YAW REL_X
-#define EVENT_TYPE_PITCH REL_Y
-#define EVENT_TYPE_ROLL REL_Z
-#define EVENT_TYPE_ORIENT_STATUS REL_WHEEL
-
-/* For AK8973iB */
-#define EVENT_TYPE_MAGV_X ABS_X
-#define EVENT_TYPE_MAGV_Y ABS_Y
-#define EVENT_TYPE_MAGV_Z ABS_Z
-
-#define EVENT_TYPE_PROXIMITY ABS_DISTANCE
-#define EVENT_TYPE_LIGHT ABS_MISC
-
-#define EVENT_TYPE_GYRO_X REL_RY
-#define EVENT_TYPE_GYRO_Y REL_RX
-#define EVENT_TYPE_GYRO_Z REL_RZ
-
-
-// 720 LSG = 1G
-#define LSG (720.0f)
-#define NUMOFACCDATA 8
-
-// conversion of acceleration data to SI units (m/s^2)
-#define RANGE_A (2*GRAVITY_EARTH)
-#define RESOLUTION_A (RANGE_A/(512))
-#define CONVERT_A (RANGE_A/(512))
-#define CONVERT_A_X (CONVERT_A)
-#define CONVERT_A_Y (CONVERT_A)
-#define CONVERT_A_Z (CONVERT_A)
-
-// conversion of magnetic data to uT units
-#define CONVERT_M (1.0f/1000.0f)
-#define CONVERT_M_X (CONVERT_M)
-#define CONVERT_M_Y (CONVERT_M)
-#define CONVERT_M_Z (CONVERT_M)
-
-/* conversion of orientation data to degree units */
-#define CONVERT_O (1.0f/1000.0f)
-#define CONVERT_O_A (CONVERT_O)
-#define CONVERT_O_P (CONVERT_O)
-#define CONVERT_O_R (CONVERT_O)
-
-// conversion of gyro data to SI units (radian/sec)
-#define RANGE_GYRO (2000.0f*(float)M_PI/180.0f)
-#define CONVERT_GYRO ((70.0f / 1000.0f) * ((float)M_PI / 180.0f))
-#define CONVERT_GYRO_X (CONVERT_GYRO)
-#define CONVERT_GYRO_Y (-CONVERT_GYRO)
-#define CONVERT_GYRO_Z (CONVERT_GYRO)
-
-#define SENSOR_STATE_MASK (0x7FFF)
-
-/*****************************************************************************/
-
-__END_DECLS
-
-#endif // ANDROID_SENSORS_H
+/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_SENSORS_H +#define ANDROID_SENSORS_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include <linux/input.h> + +#include <hardware/hardware.h> +#include <hardware/sensors.h> + +__BEGIN_DECLS + +/*****************************************************************************/ + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) + +#define ID_A (0) +#define ID_M (1) +#define ID_O (2) +#define ID_L (3) +#define ID_P (4) +#define ID_GY (5) + +/*****************************************************************************/ + +/* + * The SENSORS Module + */ + +/* the GP2A is a binary proximity sensor that triggers around 5 cm on + * this hardware */ +#define PROXIMITY_THRESHOLD_GP2A 5.0f + +/*****************************************************************************/ + +#define AKM_DEVICE_NAME "/dev/akm8973_aot" + + +#define EVENT_TYPE_ACCEL_X ABS_X +#define EVENT_TYPE_ACCEL_Y ABS_Y +#define EVENT_TYPE_ACCEL_Z ABS_Z + +#define EVENT_TYPE_YAW REL_X +#define EVENT_TYPE_PITCH REL_Y +#define EVENT_TYPE_ROLL REL_Z +#define EVENT_TYPE_ORIENT_STATUS REL_WHEEL + +/* For AK8973iB */ +#define EVENT_TYPE_MAGV_X ABS_X +#define EVENT_TYPE_MAGV_Y ABS_Y +#define EVENT_TYPE_MAGV_Z ABS_Z + +#define EVENT_TYPE_PROXIMITY ABS_DISTANCE +#define EVENT_TYPE_LIGHT ABS_MISC + +#define EVENT_TYPE_GYRO_X REL_RY +#define EVENT_TYPE_GYRO_Y REL_RX +#define EVENT_TYPE_GYRO_Z REL_RZ + + +// 720 LSG = 1G +#define LSG (720.0f) +#define NUMOFACCDATA 8 + +// conversion of acceleration data to SI units (m/s^2) +#define RANGE_A (2*GRAVITY_EARTH) +#define RESOLUTION_A (RANGE_A/(512)) +#define CONVERT_A (RANGE_A/(512)) +#define CONVERT_A_X (CONVERT_A) +#define CONVERT_A_Y (CONVERT_A) +#define CONVERT_A_Z (CONVERT_A) + +// conversion of magnetic data to uT units +#define CONVERT_M (1.0f/1000.0f) +#define CONVERT_M_X (CONVERT_M) +#define CONVERT_M_Y (CONVERT_M) +#define CONVERT_M_Z (CONVERT_M) + +/* conversion of orientation data to degree units */ +#define CONVERT_O (1.0f/1000.0f) +#define CONVERT_O_A (CONVERT_O) +#define CONVERT_O_P (CONVERT_O) +#define CONVERT_O_R (CONVERT_O) + +// conversion of gyro data to SI units (radian/sec) +#define RANGE_GYRO (2000.0f*(float)M_PI/180.0f) +#define CONVERT_GYRO ((70.0f / 1000.0f) * ((float)M_PI / 180.0f)) +#define CONVERT_GYRO_X (CONVERT_GYRO) +#define CONVERT_GYRO_Y (-CONVERT_GYRO) +#define CONVERT_GYRO_Z (CONVERT_GYRO) + +#define SENSOR_STATE_MASK (0x7FFF) + +/*****************************************************************************/ + +__END_DECLS + +#endif // ANDROID_SENSORS_H |