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58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
/*
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* Copyright (C) 2018 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup cpu_esp8266
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* @ingroup drivers_periph_adc
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* @{
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*
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* @file
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* @brief Low-level ADC driver implementation
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*
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* @author Gunar Schorcht <gunar@schorcht.net>
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*
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* @}
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*/
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#define ENABLE_DEBUG 0
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#include "debug.h"
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#include "cpu.h"
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#include "mutex.h"
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#include "periph/adc.h"
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#include "periph_conf.h"
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#include "board.h"
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#include "common.h"
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#include "sdk/sdk.h"
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#if defined(ADC_NUMOF) && ADC_NUMOF > 0
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int adc_init(adc_t line)
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{
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CHECK_PARAM_RET (line < ADC_NUMOF, -1)
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/* no special inialization needed */
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return 0;
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}
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int adc_sample(adc_t line, adc_res_t res)
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{
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CHECK_PARAM_RET (line < ADC_NUMOF, -1)
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CHECK_PARAM_RET (res == ADC_RES_10BIT, -1)
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#ifdef MODULE_ESP_SDK
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return system_adc_read ();
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#else
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return test_tout(false);
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#endif
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}
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#endif
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