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SPI 的代码
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
#include
#include "SPI.h"
void SPI_Init(void)
{
// P3.1 P3.2 P3.3作为SPI的管脚
P3SEL = BIT3 + BIT2 + BIT1;
//P3.1作为输出
P3DIR |= BIT1;
//P3.0作为输出
P3DIR |= B
spi.h
void SPI_Init(void);
void PORT_Init(void);
void Init_CLK(void);
void Delay_ms(unsigned long nValue);
void Delay_us(unsigned long nValue);
spi_slave
#pragma interrupt_handler spi_stc_isr:11
#include "SPI_slave.h"
unsigned char SPI_rx_buff[SPI_size];
unsigned char SPI_tx_buff[SPI_size];
unsigned char rx_wr_index,rx_rd_index,rx_counter,rx_bu
spi.c
#include
#include
#define uchar unsigned char
#define uint unsigned int
uchar Table[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uchar Data[4]={0,0,0,0};
vo
spi.lis
.module SPI.C
.area data(ram, con, rel)
0000 _Table::
0000 .blkb 2
.area idata
0000 3F06
spi.mak
CC = iccavr
CFLAGS = -IC:\icc\include\ -e -l -g -Wa-W
ASFLAGS = $(CFLAGS) -Wa-g
LFLAGS = -LC:\icc\lib\ -g -Wl-W -bfunc_lit:0x22.0x2000 -dram_end:0x25f -bdata:0x60.0x25f -dhwstk_size:16 -beepro