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SPI 的代码
spi.c
// SPI MICROWIRE INTERFACE HANDLER
// COPYRIGHT PROPERTY OF ALPHADATA DESIGNS LIMITED (c) 1999
// published by permission of Alphadata designs on
// Hi-Tech C website, http://www.workingt
spi.h
#ifndef __SPI_H__
#define __SPI_H__
void Test_Spi_MS_int(void);
void Test_Spi_MS_poll(void);
void Test_Spi_M_Tx_DMA1(void);
void Test_Spi_M_Rx_DMA1(void);
void Test_Spi_S_Tx_DMA1(void);
voi
spi.c
/*****************************************************************************
* SPI.c
*
**********************************************************************
spi.h
/*****************************************************************************
* SPI.h
*
**********************************************************************
spi.c
#include
#include
#include
#include "spi.h"
void TransmitSPI(void)
//waits for transmission to end
{
while((SPISTAT & TXST) == 0x00); //Wait until transmission
spi.h
//SPICTL
#define PHASE 0x00
#define CLKPOL 0x00
#define MASTER 0x02
#define SPI_ENABLE 0x01
//SPIMODE
#define NUMBIT8 0x00
#define SSIO 0x02
#define SS_HIGH 0x01
//Baud Ra