spi.h

来自「一个测试LCD的应用程序」· C头文件 代码 · 共 28 行

// -------------------------- Header file for spi.c ----------------------------
#ifndef __SOFTWARE_SPI__
#define __SOFTWARE_SPI__

//#include <at89x52.h>	// Header file for MCU
//#include "datatype.h"	// Datatype Definition
//#include "delay.h"		// Delay function

// --------------------------- Pins Definition ---------------------------------
#ifndef SPI_SCL
	#define SPI_SCL 	P3_0
	#define SPI_SDA 	P3_1
#endif
// -----------------------------------------------------------------------------

// --------------------------- Function Prototypes -----------------------------
// Send a bit to the SPI device
void spi_sendbit(bit bitx);
// Send a byte to the SPI device
void spi_sendbyte(uint8 dByte);
// Read a byte from the SPI device
uint8 spi_readbyte(void);
// -----------------------------------------------------------------------------

#include "spi.c"
#endif
// -----------------------------------------------------------------------------