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SPI 的代码
spi.h
/*****************************************************************************
* spi.h: Header file for NXP LPC23xx Family Microprocessors
*
* Copyright(C) 2006, NXP Semiconductor
* All
spi.d
.\Obj\spi.o: spi.c
.\Obj\spi.o: ..\Common\inc\LPC23xx.h
.\Obj\spi.o: ..\Common\inc\type.h
.\Obj\spi.o: ..\Common\inc\irq.h
.\Obj\spi.o: spi.h
spi.pjt
; Code Composer Project File, Version 2.0 (do not modify or remove this line)
[Project Settings]
ProjectDir="E:\MYDSP\DSK2407\c\SPI\"
ProjectType=Executable
CPUFamily=TMS320C24XX
Tool="Compiler
spi.asm
#include Project.inc
#define AFECS PORTC,1 ; Chip select output
#define SCK PORTC,2 ; SPI Clock Output
#define SDIO PORTC,3 ; Serial output
udata
SPI.BufferH res 1
SPI.BufferL res 1
SP
spi.inc
#ifndef SPI_INC
#define SPI_INC
extern SPI.BufferH,SPI.BufferL
extern SPI.Read, SPI.Write,SPI.Init
#endif
spi.c
/*! \file spi.c \brief SPI interface driver. */
//*****************************************************************************
//
// File Name : 'spi.c'
// Title : SPI interface driver
// Autho
spi.h
/*! \file spi.h \brief SPI interface driver. */
//*****************************************************************************
//
// File Name : 'spi.h'
// Title : SPI interface driver
// Autho
spi.err
"spi.c", line 200: Warning: C2870W: variable 'i' declared but not used
"spi.c", line 242: Warning: C2917W: no side effect in void context: 'unary *'
"spi.c", line 302: Warning: C2870W: variabl
spi.c
//*****************************************************************
//
// File Name : 'spi.c'
// Title : SPI driver
// Author : Pascal Stang
// Date : 11/22/2000
// Version : 0.1
// Tar
spi.c
//pin脚定义
//SD卡使用SPI模式进行读写
//CS ->P2.2
//MOSI->P2.3
//CLK ->P2.4
//MISO->P2.6
//用SPI发送一个字节数据
//#include "spi.h"
void write_byte_spi(uchar dat)
{
uchar i;
for (i = 0; i < 8; i++)
{