From 5ac6fe18889027b718a8ed8c65482d0ab26b5f36 Mon Sep 17 00:00:00 2001 From: Drew Mills Date: Tue, 10 Mar 2020 23:38:39 -0500 Subject: Add ADC support for STM32F3 and STM32F0 devices (#7681) * Add ADC support for STM32F3 and STM32F0 devices * Add section about configration options available to the ARM ADC implementation * Fix STM32 typo --- drivers/arm/analog.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 drivers/arm/analog.h (limited to 'drivers/arm/analog.h') diff --git a/drivers/arm/analog.h b/drivers/arm/analog.h new file mode 100644 index 0000000000..081d0c1e76 --- /dev/null +++ b/drivers/arm/analog.h @@ -0,0 +1,60 @@ +/* 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 . + */ + +#pragma once + +#include "quantum.h" +#include "ch.h" +#include + + +#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); -- cgit v1.2.3