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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 "log.h"
static peripheral_gpio_h g_sensor_h = NULL;
static int g_pin_num = -1;
void resource_close_infrared_motion_sensor(void)
{
if (!g_sensor_h) return;
_I("Infrared Motion Sensor is finishing...");
peripheral_gpio_close(g_sensor_h);
g_sensor_h = NULL;
g_pin_num = -1;
}
int resource_read_infrared_motion_sensor(int pin_num, uint32_t *out_value)
{
int ret = PERIPHERAL_ERROR_NONE;
if (!g_sensor_h) {
peripheral_gpio_h temp = NULL;
ret = peripheral_gpio_open(pin_num, &temp);
retv_if(ret, -1);
ret = peripheral_gpio_set_direction(temp, PERIPHERAL_GPIO_DIRECTION_IN);
if (ret) {
peripheral_gpio_close(temp);
_E("peripheral_gpio_set_direction failed.");
return -1;
}
g_sensor_h = temp;
g_pin_num = pin_num;
}
if (g_pin_num != pin_num) {
_E("Invalid pin number.");
return -1;
}
ret = peripheral_gpio_read(g_sensor_h, out_value);
retv_if(ret < 0, -1);
return 0;
}
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