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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd.
*
* 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 <peripheral_io.h>
#include "resource/resource_infrared_motion.h"
#include "log.h"
enum {
MOTION_HANDLE_ERROR_NONE = 0, /**< Successful */
MOTION_HANDLE_ERROR_NOT_OPEN,
MOTION_HANDLE_ERROR_INVALID_PIN
} motion_handle_error_e;
struct resource_im_interrupted_data {
resource_infrared_motion_interrupted_cb interrupted_cb;
void *interrupted_cb_user_data;
uint32_t motion_value;
};
static peripheral_gpio_h g_sensor_h = NULL;
static int g_pin_num = -1;
static struct resource_im_interrupted_data g_interrupted_data;
static int _resource_validate_infrared_motion(int pin_num)
{
int ret = MOTION_HANDLE_ERROR_NONE;
if (!g_sensor_h)
{
ret = MOTION_HANDLE_ERROR_NOT_OPEN;
} else if (g_pin_num != pin_num) {
ret = MOTION_HANDLE_ERROR_INVALID_PIN;
}
return ret;
}
static int resource_open_infrared_motion(int pin_num)
{
int ret = PERIPHERAL_ERROR_NONE;
peripheral_gpio_h temp = NULL;
ret = peripheral_gpio_open(pin_num, &temp);
if (ret != PERIPHERAL_ERROR_NONE) {
_E("peripheral_gpio_open failed.");
return -1;
}
// It should be removed after peripheral-io is patched.
peripheral_gpio_set_direction(temp, PERIPHERAL_GPIO_DIRECTION_OUT_INITIALLY_LOW);
if (ret) {
peripheral_gpio_close(temp);
_E("peripheral_gpio_set_direction failed.");
return -1;
}
ret = peripheral_gpio_set_direction(temp, PERIPHERAL_GPIO_DIRECTION_IN);
if (ret != PERIPHERAL_ERROR_NONE) {
peripheral_gpio_close(temp);
_E("peripheral_gpio_set_direction failed.");
return -1;
}
g_sensor_h = temp;
g_pin_num = pin_num;
return 0;
}
int resource_read_infrared_motion(int pin_num, uint32_t *out_value)
{
int ret = PERIPHERAL_ERROR_NONE;
int ret_valid = MOTION_HANDLE_ERROR_NONE;
ret_valid = _resource_validate_infrared_motion(pin_num);
if (ret_valid != MOTION_HANDLE_ERROR_NONE) {
if (ret_valid == MOTION_HANDLE_ERROR_NOT_OPEN) {
ret = resource_open_infrared_motion(pin_num);
retv_if(ret != PERIPHERAL_ERROR_NONE, -1);
} else if (ret_valid == MOTION_HANDLE_ERROR_INVALID_PIN) {
_E("Invalid pin number.");
return -1;
}
}
ret = peripheral_gpio_read(g_sensor_h, out_value);
retv_if(ret != PERIPHERAL_ERROR_NONE, -1);
return 0;
}
void resource_close_infrared_motion(void)
{
if (!g_sensor_h) return;
_I("Infrared Motion Sensor is finishing...");
if (g_interrupted_data.interrupted_cb) {
peripheral_gpio_unset_interrupted_cb(g_sensor_h);
g_interrupted_data.interrupted_cb = NULL;
g_interrupted_data.interrupted_cb_user_data = NULL;
g_interrupted_data.motion_value = 0;
}
peripheral_gpio_close(g_sensor_h);
g_sensor_h = NULL;
g_pin_num = -1;
}
void _resoucre_motion_interrupted_cb (peripheral_gpio_h gpio, peripheral_error_e error, void *user_data)
{
if (!g_sensor_h) return;
g_interrupted_data.motion_value = !g_interrupted_data.motion_value;
g_interrupted_data.interrupted_cb(g_interrupted_data.motion_value, g_interrupted_data.interrupted_cb_user_data);
}
int resource_set_interrupted_cb_infrared_motion(int pin_num, resource_infrared_motion_interrupted_cb interrupted_cb, void *user_data)
{
int ret = PERIPHERAL_ERROR_NONE;
int ret_valid = MOTION_HANDLE_ERROR_NONE;
retv_if(!interrupted_cb, -1);
ret_valid = _resource_validate_infrared_motion(pin_num);
if (ret_valid == MOTION_HANDLE_ERROR_NOT_OPEN) {
ret = resource_open_infrared_motion(pin_num);
retv_if(ret != PERIPHERAL_ERROR_NONE, -1);
} else if (ret_valid == MOTION_HANDLE_ERROR_INVALID_PIN) {
_E("Invalid pin number.");
return -1;
}
ret = peripheral_gpio_set_edge_mode(g_sensor_h, PERIPHERAL_GPIO_EDGE_BOTH);
retv_if(ret != PERIPHERAL_ERROR_NONE, -1);
g_interrupted_data.motion_value = 0;
ret = peripheral_gpio_read(g_sensor_h, &g_interrupted_data.motion_value);
retv_if(ret != PERIPHERAL_ERROR_NONE, -1);
ret = peripheral_gpio_set_interrupted_cb(g_sensor_h, _resoucre_motion_interrupted_cb, &g_interrupted_data);
goto_if(ret != PERIPHERAL_ERROR_NONE, ERROR);
g_interrupted_data.interrupted_cb = interrupted_cb;
g_interrupted_data.interrupted_cb_user_data = user_data;
return 0;
ERROR:
_E("failed to read gpio");
peripheral_gpio_unset_interrupted_cb(g_sensor_h);
g_interrupted_data.interrupted_cb = NULL;
g_interrupted_data.interrupted_cb_user_data = NULL;
g_interrupted_data.motion_value = 0;
return -1;
}
int resource_unset_interrupted_cb_infrared_motion(int pin_num)
{
int ret = PERIPHERAL_ERROR_NONE;
int ret_valid = MOTION_HANDLE_ERROR_NONE;
ret_valid = _resource_validate_infrared_motion(pin_num);
if (ret_valid == MOTION_HANDLE_ERROR_NOT_OPEN) {
_E("No open handle.");
return -1;
} else if (ret_valid == MOTION_HANDLE_ERROR_INVALID_PIN) {
_E("Invalid pin number.");
return -1;
}
ret = peripheral_gpio_unset_interrupted_cb(g_sensor_h);
retv_if(ret != PERIPHERAL_ERROR_NONE, -1);
g_interrupted_data.interrupted_cb = NULL;
g_interrupted_data.interrupted_cb_user_data = NULL;
g_interrupted_data.motion_value = 0;
return 0;
}
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