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/* Copyright 2019 Drew Mills
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "quantum.h"
#include "ch.h"
#include <hal.h>
#if !defined(STM32F0XX) && !defined(STM32F3XX)
#error "Only STM23F0 and STM32F3 devices have ADC support in QMK at this time."
#endif
#if !HAL_USE_ADC
#error "You need to set HAL_USE_ADC to TRUE in your halconf.h to use the ADC."
#endif
#if !STM32_ADC_USE_ADC1 && !STM32_ADC_USE_ADC2 && !STM32_ADC_USE_ADC3 && !STM32_ADC_USE_ADC4
#error "You need to set one of the 'STM32_ADC_USE_ADCx' settings to TRUE in your mcuconf.h to use the ADC."
#endif
#if STM32_ADC_DUAL_MODE
#error "STM32 ADC Dual Mode is not supported at this time."
#endif
#if STM32_ADCV3_OVERSAMPLING
#error "STM32 ADCV3 Oversampling is not supported at this time."
#endif
typedef struct {
pin_t pin;
uint8_t adc;
} pin_and_adc;
#define PIN_AND_ADC(p,a) (pin_and_adc){p,a}
// analogReference has been left un-defined for ARM devices.
// void analogReference(uint8_t mode);
adcsample_t analogReadPin(pin_t pin);
adcsample_t analogReadPinAdc(pin_t pin, uint8_t adc);
pin_and_adc pinToMux(pin_t pin);
adcsample_t adc_read(pin_and_adc mux);
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