spi.h

LWIP在STM32裸机上的移植

#ifndef __SPI_FLASH_H
#define __SPI_FLASH_H

#include "stm32f10x.h"

/* Select SPI FLASH: Chip Select pin low  */
#define SPI_FLASH_CS_LOW()       GPIO_ResetBits(GPIOA, GPIO_Pin_4)

/* Deselect SPI FLASH: Chip Select pin high */
#define SPI_FLASH_CS_HIGH()      GPIO_SetBits(GPIOA, GPIO_Pin_4)

void SPI_Configuration(void);

u8 SPI_SendByte(u8 byte);


#endif