spi.h

avr+TFT+SD卡实现数码相框功能

//*****************************************************************************
//
// File Name    : 'spi.h'
// Title        : SPI interface driver
// Author       : Andy Zhu - Copyright (C) 2008-20xx
// Created      : 07/20/2000
// Revised      : 07/20/2002
// Version      : 0.1
// Target MCU   : Atmel AVR series
// Editor Tabs  : 4
//
//
//*****************************************************************************
#ifndef __spi_h__
#define __spi_h__


#define MOSI	PB2		//OUTPUT
#define MISO	PB3		//INTPUT 
#define SCK		PB1		//OUTPUT
// function prototypes

void SPI_init(void);
void spiSendByte(unsigned char data);
unsigned char spiTransferByte(unsigned char data);
unsigned int spiTransferWord(unsigned int data);

#endif