mirror of
https://github.com/betaflight/betaflight.git
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87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/*
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* This file is part of Cleanflight and Betaflight.
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*
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* Cleanflight and Betaflight are free software. You can redistribute
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* this software and/or modify this software under the terms of the
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* GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* Cleanflight and Betaflight are distributed in the hope that they
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the 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 this software.
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*
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#if defined(STM32F1) || defined(STM32F3) || defined(STM32F4)
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#define MAX_SPI_PIN_SEL 2
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#elif defined(STM32F7)
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#define MAX_SPI_PIN_SEL 4
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#elif defined(STM32H7)
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#define MAX_SPI_PIN_SEL 5
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#else
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#error Unknown MCU family
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#endif
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typedef struct spiPinDef_s {
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ioTag_t pin;
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#if defined(STM32F7) || defined(STM32H7)
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uint8_t af;
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#endif
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} spiPinDef_t;
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typedef struct spiHardware_s {
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SPIDevice device;
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SPI_TypeDef *reg;
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spiPinDef_t sckPins[MAX_SPI_PIN_SEL];
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spiPinDef_t misoPins[MAX_SPI_PIN_SEL];
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spiPinDef_t mosiPins[MAX_SPI_PIN_SEL];
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#ifndef STM32F7
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uint8_t af;
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#endif
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rccPeriphTag_t rcc;
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#if defined(USE_DMA) && defined(USE_HAL_DRIVER)
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uint8_t dmaIrqHandler;
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#endif
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} spiHardware_t;
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extern const spiHardware_t spiHardware[];
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typedef struct SPIDevice_s {
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SPI_TypeDef *dev;
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ioTag_t sck;
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ioTag_t miso;
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ioTag_t mosi;
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#if defined(STM32F7) || defined(STM32H7)
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uint8_t sckAF;
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uint8_t misoAF;
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uint8_t mosiAF;
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#else
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uint8_t af;
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#endif
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rccPeriphTag_t rcc;
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volatile uint16_t errorCount;
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bool leadingEdge;
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#if defined(USE_HAL_DRIVER)
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SPI_HandleTypeDef hspi;
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#ifdef USE_DMA
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DMA_HandleTypeDef hdma;
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uint8_t dmaIrqHandler;
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#endif
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#endif
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#ifdef USE_SPI_TRANSACTION
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uint16_t cr1SoftCopy; // Copy of active CR1 value for this SPI instance
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#endif
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} spiDevice_t;
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extern spiDevice_t spiDevice[SPIDEV_COUNT];
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void spiInitDevice(SPIDevice device, bool leadingEdge);
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uint32_t spiTimeoutUserCallback(SPI_TypeDef *instance);
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