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/*
* Copyright (c) 2017 Samsung Electronics Co., Ltd.
*
* Contact: Jin Yoon <jinny.yoon@samsung.com>
* Geunsun Lee <gs86.lee@samsung.com>
* Eunyoung Lee <ey928.lee@samsung.com>
* Junkyu Han <junkyu.han@samsung.com>
*
* 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 <stdlib.h>
#include <unistd.h>
#include <peripheral_io.h>
#include <sys/time.h>
#include "log.h"
#include "resource/resource_adc_mcp3008.h"
static bool initialized = false;
void resource_close_sound_level_sensor(void)
{
resource_adc_mcp3008_fini();
initialized = false;
}
int resource_read_sound_level_sensor(int ch_num, unsigned int *out_value)
{
unsigned int read_value = 0;
int ret = 0;
if (!initialized) {
ret = resource_adc_mcp3008_init();
retv_if(ret != 0, -1);
initialized = true;
}
ret = resource_read_adc_mcp3008(ch_num, &read_value);
retv_if(ret != 0, -1);
*out_value = read_value;
return 0;
}
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