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Diffstat (limited to 'libsensors/lsm330dlc_acceleration.c')
-rw-r--r--libsensors/lsm330dlc_acceleration.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/libsensors/lsm330dlc_acceleration.c b/libsensors/lsm330dlc_acceleration.c
deleted file mode 100644
index 435faf8..0000000
--- a/libsensors/lsm330dlc_acceleration.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/*
- * Copyright (C) 2013 Paul Kocialkowski
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <linux/ioctl.h>
-#include <linux/uinput.h>
-#include <linux/input.h>
-
-#include <hardware/sensors.h>
-#include <hardware/hardware.h>
-
-#define LOG_TAG "exynos_sensors"
-#include <utils/Log.h>
-
-#include "exynos_sensors.h"
-#include "lsm330dlc_accel.h"
-
-struct lsm330dlc_acceleration_data {
- struct exynos_sensors_handlers *orientation_sensor;
-
- long int delay;
- int device_fd;
- int uinput_fd;
-
- pthread_t thread;
- pthread_mutex_t mutex;
- int thread_continue;
-};
-
-void *lsm330dlc_acceleration_thread(void *thread_data)
-{
- struct exynos_sensors_handlers *handlers = NULL;
- struct lsm330dlc_acceleration_data *data = NULL;
- struct lsm330dlc_acc values;
- struct input_event event;
- struct timeval time;
- long int before, after;
- int diff;
- int device_fd;
- int uinput_fd;
- int rc;
-
- if (thread_data == NULL)
- return NULL;
-
- handlers = (struct exynos_sensors_handlers *) thread_data;
- if (handlers->data == NULL)
- return NULL;
-
- data = (struct lsm330dlc_acceleration_data *) handlers->data;
-
- device_fd = data->device_fd;
- if (device_fd < 0)
- return NULL;
-
- uinput_fd = data->uinput_fd;
- if (uinput_fd < 0)
- return NULL;
-
- while (data->thread_continue) {
- pthread_mutex_lock(&data->mutex);
- if (!data->thread_continue)
- break;
-
- while (handlers->activated) {
- gettimeofday(&time, NULL);
- before = timestamp(&time);
-
- memset(&values, 0, sizeof(values));
- rc = ioctl(device_fd, LSM330DLC_ACCEL_IOCTL_READ_XYZ, &values);
- if (rc < 0) {
- ALOGE("%s: Unable to set read XYZ", __func__);
- return NULL;
- }
-
- input_event_set(&event, EV_REL, REL_X, (int) values.x);
- write(uinput_fd, &event, sizeof(event));
- input_event_set(&event, EV_REL, REL_Y, (int) values.y);
- write(uinput_fd, &event, sizeof(event));
- input_event_set(&event, EV_REL, REL_Z, (int) values.z);
- write(uinput_fd, &event, sizeof(event));
- input_event_set(&event, EV_SYN, 0, 0);
- write(uinput_fd, &event, sizeof(event));
-
- gettimeofday(&time, NULL);
- after = timestamp(&time);
-
- diff = (int) (data->delay - (after - before)) / 1000;
- if (diff <= 0)
- continue;
-
- usleep(diff);
- }
- }
- return NULL;
-}
-
-int lsm330dlc_acceleration_init(struct exynos_sensors_handlers *handlers,
- struct exynos_sensors_device *device)
-{
- struct lsm330dlc_acceleration_data *data = NULL;
- pthread_attr_t thread_attr;
- int device_fd = -1;
- int uinput_fd = -1;
- int input_fd = -1;
- int rc;
- int i;
-
- ALOGD("%s(%p, %p)", __func__, handlers, device);
-
- if (handlers == NULL)
- return -EINVAL;
-
- data = (struct lsm330dlc_acceleration_data *) calloc(1, sizeof(struct lsm330dlc_acceleration_data));
-
- for (i = 0; i < device->handlers_count; i++) {
- if (device->handlers[i] == NULL)
- continue;
-
- if (device->handlers[i]->handle == SENSOR_TYPE_ORIENTATION)
- data->orientation_sensor = device->handlers[i];
- }
-
- device_fd = open("/dev/accelerometer", O_RDONLY);
- if (device_fd < 0) {
- ALOGE("%s: Unable to open device", __func__);
- goto error;
- }
-
- uinput_fd = uinput_rel_create("acceleration");
- if (uinput_fd < 0) {
- ALOGD("%s: Unable to create uinput", __func__);
- goto error;
- }
-
- input_fd = input_open("acceleration");
- if (input_fd < 0) {
- ALOGE("%s: Unable to open acceleration input", __func__);
- goto error;
- }
-
- data->thread_continue = 1;
-
- pthread_mutex_init(&data->mutex, NULL);
- pthread_mutex_lock(&data->mutex);
-
- pthread_attr_init(&thread_attr);
- pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_DETACHED);
-
- rc = pthread_create(&data->thread, &thread_attr, lsm330dlc_acceleration_thread, (void *) handlers);
- if (rc < 0) {
- ALOGE("%s: Unable to create acceleration thread", __func__);
- pthread_mutex_destroy(&data->mutex);
- goto error;
- }
-
- data->device_fd = device_fd;
- data->uinput_fd = uinput_fd;
- handlers->poll_fd = input_fd;
- handlers->data = (void *) data;
-
- return 0;
-
-error:
- if (data != NULL)
- free(data);
-
- if (uinput_fd >= 0)
- close(uinput_fd);
-
- if (input_fd >= 0)
- close(input_fd);
-
- if (device_fd >= 0)
- close(device_fd);
-
- handlers->poll_fd = -1;
- handlers->data = NULL;
-
- return -1;
-}
-
-int lsm330dlc_acceleration_deinit(struct exynos_sensors_handlers *handlers)
-{
- struct lsm330dlc_acceleration_data *data;
-
- ALOGD("%s(%p)", __func__, handlers);
-
- if (handlers == NULL || handlers->data == NULL)
- return -EINVAL;
-
- data = (struct lsm330dlc_acceleration_data *) handlers->data;
-
- handlers->activated = 0;
- data->thread_continue = 0;
- pthread_mutex_unlock(&data->mutex);
-
- pthread_mutex_destroy(&data->mutex);
-
- if (data->uinput_fd >= 0) {
- uinput_destroy(data->uinput_fd);
- close(data->uinput_fd);
- }
- data->uinput_fd = -1;
-
- if (handlers->poll_fd >= 0)
- close(handlers->poll_fd);
- handlers->poll_fd = -1;
-
- if (data->device_fd >= 0)
- close(data->device_fd);
- data->device_fd = -1;
-
- free(handlers->data);
- handlers->data = NULL;
-
- return 0;
-}
-
-int lsm330dlc_acceleration_activate(struct exynos_sensors_handlers *handlers)
-{
- struct lsm330dlc_acceleration_data *data;
- int device_fd;
- int enable;
- int rc;
-
- ALOGD("%s(%p)", __func__, handlers);
-
- if (handlers == NULL || handlers->data == NULL)
- return -EINVAL;
-
- data = (struct lsm330dlc_acceleration_data *) handlers->data;
-
- device_fd = data->device_fd;
- if (device_fd < 0)
- return -EINVAL;
-
- enable = 1;
- rc = ioctl(device_fd, LSM330DLC_ACCEL_IOCTL_SET_ENABLE, &enable);
- if (rc < 0) {
- ALOGE("%s: Unable to set enable", __func__);
- return -1;
- }
-
- handlers->activated = 1;
- pthread_mutex_unlock(&data->mutex);
-
- return 0;
-}
-
-int lsm330dlc_acceleration_deactivate(struct exynos_sensors_handlers *handlers)
-{
- struct lsm330dlc_acceleration_data *data;
- int device_fd;
- int enable;
- int rc;
-
- ALOGD("%s(%p)", __func__, handlers);
-
- if (handlers == NULL || handlers->data == NULL)
- return -EINVAL;
-
- data = (struct lsm330dlc_acceleration_data *) handlers->data;
-
- device_fd = data->device_fd;
- if (device_fd < 0)
- return -EINVAL;
-
- enable = 0;
- rc = ioctl(device_fd, LSM330DLC_ACCEL_IOCTL_SET_ENABLE, &enable);
- if (rc < 0) {
- ALOGE("%s: Unable to set enable", __func__);
- return -1;
- }
-
- handlers->activated = 0;
-
- return 0;
-}
-
-int lsm330dlc_acceleration_set_delay(struct exynos_sensors_handlers *handlers, long int delay)
-{
- struct lsm330dlc_acceleration_data *data;
- unsigned long long d;
- int device_fd;
- int rc;
-
- ALOGD("%s(%p, %ld)", __func__, handlers, delay);
-
- if (handlers == NULL || handlers->data == NULL)
- return -EINVAL;
-
- data = (struct lsm330dlc_acceleration_data *) handlers->data;
-
- device_fd = data->device_fd;
- if (device_fd < 0)
- return -EINVAL;
-
- d = (unsigned long long) delay;
- rc = ioctl(device_fd, LSM330DLC_ACCEL_IOCTL_SET_DELAY, &d);
- if (rc < 0) {
- ALOGE("%s: Unable to set delay", __func__);
- return -1;
- }
-
- data->delay = delay;
-
- return 0;
-}
-
-float lsm330dlc_acceleration_convert(int value)
-{
- return (float) (value * GRAVITY_EARTH) / 1024.0f;
-}
-
-int lsm330dlc_acceleration_get_data(struct exynos_sensors_handlers *handlers,
- struct sensors_event_t *event)
-{
- struct lsm330dlc_acceleration_data *data;
- struct input_event input_event;
- int input_fd;
- int rc;
-
-// ALOGD("%s(%p, %p)", __func__, handlers, event);
-
- if (handlers == NULL || handlers->data == NULL || event == NULL)
- return -EINVAL;
-
- data = (struct lsm330dlc_acceleration_data *) handlers->data;
-
- input_fd = handlers->poll_fd;
- if (input_fd < 0)
- return -EINVAL;
-
- event->version = sizeof(struct sensors_event_t);
- event->sensor = handlers->handle;
- event->type = handlers->handle;
-
- event->acceleration.status = SENSOR_STATUS_ACCURACY_MEDIUM;
-
- do {
- rc = read(input_fd, &input_event, sizeof(input_event));
- if (rc < (int) sizeof(input_event))
- break;
-
- if (input_event.type == EV_REL) {
- switch (input_event.code) {
- case REL_X:
- event->acceleration.x = lsm330dlc_acceleration_convert(input_event.value);
- break;
- case REL_Y:
- event->acceleration.y = lsm330dlc_acceleration_convert(input_event.value);
- break;
- case REL_Z:
- event->acceleration.z = lsm330dlc_acceleration_convert(input_event.value);
- break;
- default:
- continue;
- }
- } else if (input_event.type == EV_SYN) {
- if (input_event.code == SYN_REPORT)
- event->timestamp = input_timestamp(&input_event);
- }
- } while (input_event.type != EV_SYN);
-
- if (data->orientation_sensor != NULL)
- orientation_fill(data->orientation_sensor, &event->acceleration, NULL);
-
- return 0;
-}
-
-struct exynos_sensors_handlers lsm330dlc_acceleration = {
- .name = "LSM330DLC Acceleration",
- .handle = SENSOR_TYPE_ACCELEROMETER,
- .init = lsm330dlc_acceleration_init,
- .deinit = lsm330dlc_acceleration_deinit,
- .activate = lsm330dlc_acceleration_activate,
- .deactivate = lsm330dlc_acceleration_deactivate,
- .set_delay = lsm330dlc_acceleration_set_delay,
- .get_data = lsm330dlc_acceleration_get_data,
- .activated = 0,
- .needed = 0,
- .poll_fd = -1,
- .data = NULL,
-};
generated by cgit v1.1 at 2025-01-08 23:52:20 +0000