37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/* spi.h
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*
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* high level spi interface
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*
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* Copyright 2013 RPH Engineering, VPI Engineering
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*/
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#ifndef SPI_H_
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#define SPI_H_
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#include <stdint.h>
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//#include <stm32f10x.h>
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//#include <stm32f415xx.h>
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#ifdef PSDR2
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#include "stm32f429xx.h"
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#endif
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//#include <stm32f4xx_hal.h>
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#include <stm32f4xx_hal_spi.h>
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//SPI_HandleTypeDef SpiHandle;
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void spi_init(void);
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// set up the used SPI (SPI2) and pins
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// int spi_getSpi2Semaphore(void);
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// // tries to take the spi2 semaphore
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// // returns 0 if semaphore successfully taken, -1 if not
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//
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// void spi_postSpi2Semaphore(void);
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// // post (make available) spi2 semaphore
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void spi_readWrite(SPI_HandleTypeDef SpiHandle, uint16_t *rxBuf, uint16_t *txBuf, uint16_t cnt); //was uint8_t
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//int spi_readWrite(SPI_TypeDef* SPIx, uint8_t *rxBuf, const uint8_t *txBuf, int cnt, uint16_t speed);
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// send data to the spi bus, read data in from the spi bus
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// returns the number of bytes written/read
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#endif /* SPI_H_ */
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