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SPI 的代码
spi.c
#include
/*****************************************************************************
** [File]
** spi.c
** [Purpose]
** SPI routines
** [Changes]
**
*/
void SPI_Init(unsi
spi.c
#include "spi.h"
void spi_init(void)
{
volatile unsigned char read_SPSR = 0;
DDRB |= (1
spi.h
#ifndef SPI_H
#define SPI_H
#include "ioavr.h"
void spi_init();
unsigned char spi_send_byte(unsigned char data);
#endif
spi.c
/*
* Copyright (c) 2003-2004 K. John '2B|!2B' Crispin
* Copyright (c) 2005 Stephan Dobretsberger
*
* This program is free software; you can redistribute it and/or modify
* it under the
spi.h
/*
* Copyright (c) 2003-2004 K. John '2B|!2B' Crispin
* Copyright (c) 2005 Stephan Dobretsberger
*
* This program is free software; you can redistribute it and/or modify
* it under the
spi.c
//[SPI.c]SPI通信-----------------------------------------------------------*
//本文件包含: *
// (1)SPIInit:SPI通信初始化
spi.h
//[SPI.h]SPI通信头文件------------------------------------------------------
//SPI通信需要用到的头文件
#include "mc9s12dg128.h" //MCU映像寄存器名
#include "Type.h" //类型别名定义
//SPI通信寄存器及标志位定义
spi.c
// ----------------------------------------------------------------------------
/*
* Copyright (c) 2008 Florian Kristen, Fabian Greif
* All rights reserved.
*
* Redistribution and use in source a
spi.h
// coding: utf-8
// ----------------------------------------------------------------------------
/*
* Copyright (c) 2007 Fabian Greif, Roboterclub Aachen e.V.
* All rights reserved.
*
* Redistrib