guanjiao
2018-05-14 a760912c22c9d85892313ae994ca9634dbe5f85d
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#ifndef __SPI_H__
#define __SPI_H__
 
#include "stm32f10x.h"
 
#define SPIx_PRESCALER_SLOW            SPI_BaudRatePrescaler_32
#define SPIx_PRESCALER_FAST            SPI_BaudRatePrescaler_8
 
#define SPIx                        SPI1
#define SPIx_GPIO                    GPIOA
#define SPIx_CS                        GPIO_Pin_4
#define SPIx_CS_GPIO                GPIOA
#define SPIx_SCK                    GPIO_Pin_5
#define SPIx_MISO                    GPIO_Pin_6
#define SPIx_MOSI                    GPIO_Pin_7
 
#define    SPIx_CPOL                    SPI_CPOL_Low
#define SPIx_CPHA                    SPI_CPHA_1Edge
 
 
void Spi_Init(void);
void Spi_ChangePrescaler(uint16_t scaling_factor);
 
#endif