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www.eeworm.com/read/421702/10709048
asm spi.asm
3.1 MCU串行输入子程序SPIIN
从X25F008的SPISO线上接收8位数据并放入寄存器R0中的应用子程序如下：
SPIIN：SETB P1.1 ；使P1.1(时钟)输出为1
CLR P1.2 ;选择从机
MOV R1，#08H ；置循环次数
SPIIN1:CLR P1.1 ；使P1.1（时钟）输出为0
NOP ；延时
NOP
MOV C，P1.3 ；从机输出SPISO送进
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obj spi.obj
www.eeworm.com/read/421690/10709747
o spi.o
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c spi.c
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c~ spi.c~
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www.eeworm.com/read/276561/10729361
c spi.c
#include "AT91SAM7S64.h"
#include "Board.h"
#include "global.h"
#include "hard.h"
#include "type.h"
#include "spi.h"
#include "port.h"
#include "dbgu.h"
#include "sd.h"
/*
//------
www.eeworm.com/read/276561/10729365
h spi.h
#ifndef _SPI_H_
#define _SPI_H_
INT8U vGet_MISO(void);
INT8U vGet_DREQ(void);
void spi_vSendByte(INT8U u8Data);
INT8U spi_vReadByte(void);
void VS1003_SCI_Write(INT8U u8
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o spi.o
www.eeworm.com/read/276557/10729613
c spi.c
#include "LPC214x.H"
#include "SPI.H"
//#include "config.h"
/********UC/OS模板来自高手之手,鄙人挪用*********************/
/*************************M*********************************/
/******挪用:月亮 QQ:2289391
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h spi.h
#ifndef __SPI_H__
#define __SPI_H__
#include "config.h"
extern void SPI_Int (void);
extern void SPI_init(void);
extern uint8 MSPI_SendData(uint8 data);
#endif