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56 lines
1020 B
C
56 lines
1020 B
C
/*
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* Copyright (C) 2019 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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#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 "esp_common.h"
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#include "sdk/sdk.h"
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#define ENABLE_DEBUG 0
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#include "debug.h"
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extern uint16_t test_tout(void);
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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 initialization needed */
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return 0;
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}
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int32_t 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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return test_tout();
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}
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void adc_print_config(void)
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{
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printf("\tADC\t\tpins=[ A0 ]\n");
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}
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