lcd/spi.h

#ifndef __spi_h__
#define __spi_h__

#include "stm32f10x.h"

#define SPI_SELECT_CH1()      GPIO_ResetBits(GPIOB, GPIO_Pin_12)
#define SPI_DESELECT_CH1()    GPIO_SetBits(GPIOB, GPIO_Pin_12)

#define SPI_SELECT_CH2()      GPIO_ResetBits(GPIOA, GPIO_Pin_8)
#define SPI_DESELECT_CH2()    GPIO_SetBits(GPIOA, GPIO_Pin_8)


#define SPI_SELECT_CH3()      GPIO_ResetBits(GPIOC, GPIO_Pin_7)
#define SPI_DESELECT_CH3()    GPIO_SetBits(GPIOC, GPIO_Pin_7)

extern void spi_init(void);
extern uint8_t spi_transive(uint8_t byte, uint32_t timeout);

#endif