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-rw-r--r--libsensors/yas530c.c293
1 files changed, 0 insertions, 293 deletions
diff --git a/libsensors/yas530c.c b/libsensors/yas530c.c
deleted file mode 100644
index f13fb61..0000000
--- a/libsensors/yas530c.c
+++ /dev/null
@@ -1,293 +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 <linux/ioctl.h>
-#include <linux/input.h>
-
-#include <hardware/sensors.h>
-#include <hardware/hardware.h>
-
-#define LOG_TAG "piranha_sensors"
-#include <utils/Log.h>
-
-#include "piranha_sensors.h"
-
-#define FLAG_X (1 << 0)
-#define FLAG_Y (1 << 1)
-#define FLAG_Z (1 << 2)
-#define FLAG_ALL (FLAG_X | FLAG_Y | FLAG_Z)
-
-struct yas530c_data {
- char path_enable[PATH_MAX];
- char path_delay[PATH_MAX];
-
- sensors_vec_t magnetic;
-};
-
-int yas530c_init(struct piranha_sensors_handlers *handlers, struct piranha_sensors_device *device)
-{
- struct yas530c_data *data = NULL;
- char path[PATH_MAX] = { 0 };
- int input_fd = -1;
- int rc;
-
- ALOGD("%s(%p, %p)", __func__, handlers, device);
-
- if (handlers == NULL)
- return -EINVAL;
-
- input_fd = input_open("geomagnetic");
- if (input_fd < 0) {
- ALOGE("%s: Unable to open input", __func__);
- goto error;
- }
-
- rc = sysfs_path_prefix("geomagnetic", (char *) &path);
- if (rc < 0 || path[0] == '\0') {
- ALOGE("%s: Unable to open sysfs", __func__);
- goto error;
- }
-
- data = (struct yas530c_data *) calloc(1, sizeof(struct yas530c_data));
-
- snprintf(data->path_enable, PATH_MAX, "%s/enable", path);
- snprintf(data->path_delay, PATH_MAX, "%s/delay", path);
-
- handlers->poll_fd = input_fd;
- handlers->data = (void *) data;
-
- return 0;
-
-error:
- if (input_fd >= 0)
- close(input_fd);
-
- if (data != NULL)
- free(data);
-
- handlers->poll_fd = -1;
- handlers->data = NULL;
-
- return -1;
-}
-
-int yas530c_deinit(struct piranha_sensors_handlers *handlers)
-{
- int input_fd;
-
- ALOGD("%s(%p)", __func__, handlers);
-
- if (handlers == NULL)
- return -EINVAL;
-
- input_fd = handlers->poll_fd;
- if (input_fd >= 0)
- close(input_fd);
-
- handlers->poll_fd = -1;
-
- if (handlers->data != NULL)
- free(handlers->data);
-
- handlers->data = NULL;
-
- return 0;
-}
-
-int yas530c_activate(struct piranha_sensors_handlers *handlers)
-{
- struct yas530c_data *data;
- char enable[] = "1\n";
- int fd;
-
- ALOGD("%s(%p)", __func__, handlers);
-
- if (handlers == NULL || handlers->data == NULL)
- return -EINVAL;
-
- data = (struct yas530c_data *) handlers->data;
-
- fd = open(data->path_enable, O_WRONLY);
- if (fd < 0) {
- ALOGE("%s: Unable to open enable path", __func__);
- return -1;
- }
-
- write(fd, &enable, sizeof(enable));
- close(fd);
-
- handlers->activated = 1;
-
- return 0;
-}
-
-int yas530c_deactivate(struct piranha_sensors_handlers *handlers)
-{
- struct yas530c_data *data;
- char enable[] = "0\n";
- int fd;
-
- ALOGD("%s(%p)", __func__, handlers);
-
- if (handlers == NULL || handlers->data == NULL)
- return -EINVAL;
-
- data = (struct yas530c_data *) handlers->data;
-
- fd = open(data->path_enable, O_WRONLY);
- if (fd < 0) {
- ALOGE("%s: Unable to open enable path", __func__);
- return -1;
- }
-
- write(fd, &enable, sizeof(enable));
- close(fd);
-
- handlers->activated = 0;
-
- return 0;
-}
-
-int yas530c_set_delay(struct piranha_sensors_handlers *handlers, int64_t delay)
-{
- struct yas530c_data *data;
- char *value = NULL;
- int d;
- int c;
- int fd;
-
-// ALOGD("%s(%p, %ld)", __func__, handlers, (long int) delay);
-
- if (handlers == NULL || handlers->data == NULL)
- return -EINVAL;
-
- data = (struct yas530c_data *) handlers->data;
-
- if (delay < 1000000)
- d = 0;
- else
- d = (int) (delay / 1000000);
-
- c = asprintf(&value, "%d\n", d);
-
- fd = open(data->path_delay, O_WRONLY);
- if (fd < 0) {
- ALOGE("%s: Unable to open delay path", __func__);
- return -1;
- }
-
- write(fd, value, c);
- close(fd);
-
- if (value != NULL)
- free(value);
-
- return 0;
-}
-
-float yas530c_magnetic(int value)
-{
- return (float) value / 1000.0f;
-}
-
-int yas530c_get_data(struct piranha_sensors_handlers *handlers,
- struct sensors_event_t *event)
-{
- struct yas530c_data *data;
- struct input_event input_event;
- int input_fd;
- int flag;
- int rc;
-
- if (handlers == NULL || handlers->data == NULL || event == NULL)
- return -EINVAL;
-
- data = (struct yas530c_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->magnetic.x = data->magnetic.x;
- event->magnetic.y = data->magnetic.y;
- event->magnetic.z = data->magnetic.z;
- event->magnetic.status = SENSOR_STATUS_ACCURACY_MEDIUM;
-
- flag = 0;
- while ((flag & FLAG_ALL) != FLAG_ALL) {
- rc = read(input_fd, &input_event, sizeof(input_event));
- if (rc < (int) sizeof(input_event)) {
- if (flag & FLAG_ALL)
- break;
- else
- return -EINVAL;
- }
-
- if (input_event.type != EV_ABS)
- continue;
-
- switch (input_event.code) {
- case ABS_X:
- flag |= FLAG_X;
- event->magnetic.x = yas530c_magnetic(input_event.value);
- break;
- case ABS_Y:
- flag |= FLAG_Y;
- event->magnetic.y = yas530c_magnetic(input_event.value);
- break;
- case ABS_Z:
- flag |= FLAG_Z;
- event->magnetic.z = yas530c_magnetic(input_event.value);
- break;
- default:
- continue;
- }
- event->timestamp = input_timestamp(&input_event);
- }
-
- if (data->magnetic.x != event->magnetic.x)
- data->magnetic.x = event->magnetic.x;
- if (data->magnetic.y != event->magnetic.y)
- data->magnetic.y = event->magnetic.y;
- if (data->magnetic.z != event->magnetic.z)
- data->magnetic.z = event->magnetic.z;
-
- return 0;
-}
-
-struct piranha_sensors_handlers yas530c = {
- .name = "YAS530C",
- .handle = SENSOR_TYPE_MAGNETIC_FIELD,
- .init = yas530c_init,
- .deinit = yas530c_deinit,
- .activate = yas530c_activate,
- .deactivate = yas530c_deactivate,
- .set_delay = yas530c_set_delay,
- .get_data = yas530c_get_data,
- .activated = 0,
- .poll_fd = -1,
- .data = NULL,
-};
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