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93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/*
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* This file is part of Cleanflight.
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*
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* Cleanflight is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Cleanflight is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "drivers/io_types.h"
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#include "rcc_types.h"
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#if defined(STM32F4) || defined(STM32F7)
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#define ADC_TAG_MAP_COUNT 16
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#elif defined(STM32H7)
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#define ADC_TAG_MAP_COUNT 28
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#elif defined(STM32F3)
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#define ADC_TAG_MAP_COUNT 39
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#else
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#define ADC_TAG_MAP_COUNT 10
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#endif
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#if defined(STM32H7)
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#define ADC_VALUES_ALIGNMENT(def) DMA_RAM def __attribute__ ((aligned (32)))
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#else
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#define ADC_VALUES_ALIGNMENT(def) def
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#endif
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typedef enum ADCDevice {
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ADCINVALID = -1,
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ADCDEV_1 = 0,
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#if defined(STM32F3)
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ADCDEV_2,
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ADCDEV_MAX = ADCDEV_2,
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#elif defined(STM32F4) || defined(STM32F7) || defined(STM32H7)
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ADCDEV_2,
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ADCDEV_3,
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ADCDEV_MAX = ADCDEV_3,
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#else
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ADCDEV_MAX = ADCDEV_1,
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#endif
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ADCDEV_COUNT = ADCDEV_MAX + 1
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} ADCDevice;
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typedef struct adcTagMap_s {
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ioTag_t tag;
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uint32_t channel;
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} adcTagMap_t;
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typedef struct adcDevice_s {
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ADC_TypeDef* ADCx;
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rccPeriphTag_t rccADC;
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rccPeriphTag_t rccDMA;
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#if defined(STM32F4) || defined(STM32F7) || defined(STM32H7)
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DMA_Stream_TypeDef* DMAy_Streamx;
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uint32_t channel;
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#else
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DMA_Channel_TypeDef* DMAy_Channelx;
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#endif
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#if defined(STM32F7) || defined(STM32H7)
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ADC_HandleTypeDef ADCHandle;
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DMA_HandleTypeDef DmaHandle;
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#endif
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bool enabled;
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int usedChannelCount;
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} adcDevice_t;
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typedef struct adc_config_s {
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ioTag_t tag;
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ADCDevice adcDevice;
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uint32_t adcChannel; // ADC1_INxx channel number
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uint8_t dmaIndex; // index into DMA buffer in case of sparse channels
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bool enabled;
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uint8_t sampleTime;
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} adc_config_t;
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extern const adcTagMap_t adcTagMap[ADC_TAG_MAP_COUNT];
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extern adc_config_t adcConfig[ADC_CHN_COUNT];
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extern volatile ADC_VALUES_ALIGNMENT(uint16_t adcValues[ADCDEV_COUNT][ADC_CHN_COUNT * ADC_AVERAGE_N_SAMPLES]);
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void adcHardwareInit(drv_adc_config_t *init);
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ADCDevice adcDeviceByInstance(ADC_TypeDef *instance);
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uint32_t adcChannelByTag(ioTag_t ioTag);
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