1 files changed, 0 insertions, 444 deletions
diff --git a/sensors/orientation.c b/sensors/orientation.c
deleted file mode 100644
index e3529bd..0000000
--- a/sensors/orientation.c
+++ /dev/null
@@ -1,444 +0,0 @@
-/*
- * Copyright (C) 2013 Paul Kocialkowski <contact@paulk.fr>
- *
- * 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 <stddef.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <math.h>
-#include <linux/ioctl.h>
-#include <linux/uinput.h>
-#include <linux/input.h>
-
-#include <hardware/sensors.h>
-#include <hardware/hardware.h>
-
-#define LOG_TAG "smdk4x12_sensors"
-#include <utils/Log.h>
-
-#include "smdk4x12_sensors.h"
-
-struct orientation_data {
-	struct smdk4x12_sensors_handlers *acceleration_sensor;
-	struct smdk4x12_sensors_handlers *magnetic_sensor;
-
-	sensors_vec_t orientation;
-	sensors_vec_t acceleration;
-	sensors_vec_t magnetic;
-
-	long int delay;
-	int uinput_fd;
-
-	pthread_t thread;
-	pthread_mutex_t mutex;
-	int thread_continue;
-};
-
-static float rad2deg(float v)
-{
-	return (v * 180.0f / 3.1415926535f);
-}
-
-static float vector_scalar(sensors_vec_t *v, sensors_vec_t *d)
-{
-	return v->x * d->x + v->y * d->y + v->z * d->z;
-}
-
-static float vector_length(sensors_vec_t *v)
-{
-	return sqrtf(vector_scalar(v, v));
-}
-
-void orientation_calculate(sensors_vec_t *a, sensors_vec_t *m, sensors_vec_t *o)
-{
-	float azimuth, pitch, roll;
-	float la, sinp, cosp, sinr, cosr, x, y;
-
-	if (a == NULL || m == NULL || o == NULL)
-		return;
-
-	la = vector_length(a);
-	pitch = asinf(-(a->y) / la);
-	roll = asinf((a->x) / la);
-
-	sinp = sinf(pitch);
-	cosp = cosf(pitch);
-	sinr = sinf(roll);
-	cosr = cosf(roll);
-
-	y = -(m->x) * cosr + m->z * sinr;
-	x = m->x * sinp * sinr + m->y * cosp + m->z * sinp * cosr;
-	azimuth = atan2f(y, x);
-
-	o->azimuth = rad2deg(azimuth);
-	o->pitch = rad2deg(pitch);
-	o->roll = rad2deg(roll);
-
-	if (o->azimuth < 0)
-		o->azimuth += 360.0f;
-}
-
-void *orientation_thread(void *thread_data)
-{
-	struct smdk4x12_sensors_handlers *handlers = NULL;
-	struct orientation_data *data = NULL;
-	struct input_event event;
-	struct timeval time;
-	long int before, after;
-	int diff;
-	int uinput_fd;
-
-	if (thread_data == NULL)
-		return NULL;
-
-	handlers = (struct smdk4x12_sensors_handlers *) thread_data;
-	if (handlers->data == NULL)
-		return NULL;
-
-	data = (struct orientation_data *) handlers->data;
-
-	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);
-
-			orientation_calculate(&data->acceleration, &data->magnetic, &data->orientation);
-
-			input_event_set(&event, EV_REL, REL_X, (int) (data->orientation.azimuth * 1000));
-			write(uinput_fd, &event, sizeof(event));
-			input_event_set(&event, EV_REL, REL_Y, (int) (data->orientation.pitch * 1000));
-			write(uinput_fd, &event, sizeof(event));
-			input_event_set(&event, EV_REL, REL_Z, (int) (data->orientation.roll * 1000));
-			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 orientation_fill(struct smdk4x12_sensors_handlers *handlers,
-	sensors_vec_t *acceleration, sensors_vec_t *magnetic)
-{
-	struct orientation_data *data;
-
-//	ALOGD("%s(%p, %p, %p)", __func__, handlers, acceleration, magnetic);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct orientation_data *) handlers->data;
-
-	if (acceleration != NULL) {
-		data->acceleration.x = acceleration->x;
-		data->acceleration.y = acceleration->y;
-		data->acceleration.z = acceleration->z;
-	}
-
-	if (magnetic != NULL) {
-		data->magnetic.x = magnetic->x;
-		data->magnetic.y = magnetic->y;
-		data->magnetic.z = magnetic->z;
-	}
-
-	return 0;
-}
-
-int orientation_init(struct smdk4x12_sensors_handlers *handlers,
-	struct smdk4x12_sensors_device *device)
-{
-	struct orientation_data *data = NULL;
-	pthread_attr_t thread_attr;
-	int uinput_fd = -1;
-	int input_fd = -1;
-	int rc;
-	int i;
-
-	ALOGD("%s(%p, %p)", __func__, handlers, device);
-
-	if (handlers == NULL || device == NULL)
-		return -EINVAL;
-
-	data = (struct orientation_data *) calloc(1, sizeof(struct orientation_data));
-
-	for (i = 0; i < device->handlers_count; i++) {
-		if (device->handlers[i] == NULL)
-			continue;
-
-		if (device->handlers[i]->handle == SENSOR_TYPE_ACCELEROMETER)
-			data->acceleration_sensor = device->handlers[i];
-		else if (device->handlers[i]->handle == SENSOR_TYPE_MAGNETIC_FIELD)
-			data->magnetic_sensor = device->handlers[i];
-	}
-
-	if (data->acceleration_sensor == NULL || data->magnetic_sensor == NULL) {
-		ALOGE("%s: Missing sensors for orientation", __func__);
-		goto error;
-	}
-
-	uinput_fd = uinput_rel_create("orientation");
-	if (uinput_fd < 0) {
-		ALOGD("%s: Unable to create uinput", __func__);
-		goto error;
-	}
-
-	input_fd = input_open("orientation");
-	if (input_fd < 0) {
-		ALOGE("%s: Unable to open orientation 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, orientation_thread, (void *) handlers);
-	if (rc < 0) {
-		ALOGE("%s: Unable to create orientation thread", __func__);
-		pthread_mutex_destroy(&data->mutex);
-		goto error;
-	}
-
-	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);
-
-	handlers->poll_fd = -1;
-	handlers->data = NULL;
-
-	return -1;
-}
-
-int orientation_deinit(struct smdk4x12_sensors_handlers *handlers)
-{
-	struct orientation_data *data;
-
-	ALOGD("%s(%p)", __func__, handlers);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct orientation_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;
-
-	free(handlers->data);
-	handlers->data = NULL;
-
-	return 0;
-}
-
-int orientation_activate(struct smdk4x12_sensors_handlers *handlers)
-{
-	struct orientation_data *data;
-
-	ALOGD("%s(%p)", __func__, handlers);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct orientation_data *) handlers->data;
-
-	if (data->acceleration_sensor == NULL || data->magnetic_sensor == NULL)
-		return -1;
-
-	data->acceleration_sensor->needed |= SMDK4x12_SENSORS_NEEDED_ORIENTATION;
-	if (data->acceleration_sensor->needed == SMDK4x12_SENSORS_NEEDED_ORIENTATION)
-		data->acceleration_sensor->activate(data->acceleration_sensor);
-
-	data->magnetic_sensor->needed |= SMDK4x12_SENSORS_NEEDED_ORIENTATION;
-	if (data->magnetic_sensor->needed == SMDK4x12_SENSORS_NEEDED_ORIENTATION)
-		data->magnetic_sensor->activate(data->magnetic_sensor);
-
-	handlers->activated = 1;
-	pthread_mutex_unlock(&data->mutex);
-
-	return 0;
-}
-
-int orientation_deactivate(struct smdk4x12_sensors_handlers *handlers)
-{
-	struct orientation_data *data;
-
-	ALOGD("%s(%p)", __func__, handlers);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct orientation_data *) handlers->data;
-
-	if (data->acceleration_sensor == NULL || data->magnetic_sensor == NULL)
-		return -1;
-
-	data->acceleration_sensor->needed &= ~(SMDK4x12_SENSORS_NEEDED_ORIENTATION);
-	if (data->acceleration_sensor->needed == 0)
-		data->acceleration_sensor->deactivate(data->acceleration_sensor);
-
-	data->magnetic_sensor->needed &= ~(SMDK4x12_SENSORS_NEEDED_ORIENTATION);
-	if (data->magnetic_sensor->needed == 0)
-		data->magnetic_sensor->deactivate(data->magnetic_sensor);
-
-	handlers->activated = 0;
-
-	return 0;
-}
-
-int orientation_set_delay(struct smdk4x12_sensors_handlers *handlers,
-	long int delay)
-{
-	struct orientation_data *data;
-
-	ALOGD("%s(%p)", __func__, handlers);
-
-	if (handlers == NULL || handlers->data == NULL)
-		return -EINVAL;
-
-	data = (struct orientation_data *) handlers->data;
-
-	if (data->acceleration_sensor == NULL || data->magnetic_sensor == NULL)
-		return -1;
-
-	if (data->acceleration_sensor->needed == SMDK4x12_SENSORS_NEEDED_ORIENTATION)
-		data->acceleration_sensor->set_delay(data->acceleration_sensor, delay);
-
-	if (data->magnetic_sensor->needed == SMDK4x12_SENSORS_NEEDED_ORIENTATION)
-		data->magnetic_sensor->set_delay(data->magnetic_sensor, delay);
-
-	data->delay = delay;
-
-	return 0;
-}
-
-float orientation_convert(int value)
-{
-	return (float) value / 1000.0f;
-}
-
-int orientation_get_data(struct smdk4x12_sensors_handlers *handlers,
-	struct sensors_event_t *event)
-{
-	struct input_event input_event;
-	int input_fd = -1;
-	int rc;
-
-//	ALOGD("%s(%p, %p)", __func__, handlers, event);
-
-	if (handlers == NULL || event == NULL)
-		return -EINVAL;
-
-	input_fd = handlers->poll_fd;
-	if (input_fd < 0)
-		return -EINVAL;
-
-	memset(event, 0, sizeof(struct sensors_event_t));
-	event->version = sizeof(struct sensors_event_t);
-	event->sensor = handlers->handle;
-	event->type = handlers->handle;
-
-	event->orientation.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->orientation.azimuth = orientation_convert(input_event.value);
-					break;
-				case REL_Y:
-					event->orientation.pitch = orientation_convert(input_event.value);
-					break;
-				case REL_Z:
-					event->orientation.roll = orientation_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);
-
-	return 0;
-}
-
-struct smdk4x12_sensors_handlers orientation = {
-	.name = "Orientation",
-	.handle = SENSOR_TYPE_ORIENTATION,
-	.init = orientation_init,
-	.deinit = orientation_deinit,
-	.activate = orientation_activate,
-	.deactivate = orientation_deactivate,
-	.set_delay = orientation_set_delay,
-	.get_data = orientation_get_data,
-	.activated = 0,
-	.needed = 0,
-	.poll_fd = -1,
-	.data = NULL,
-};