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SPI 的代码
spi.plg
礦ision2 Build Log
Project:
C:\Documents and Settings\ntscking\桌面\书程序\第二章\2.5 SPI总线在单片机系统中的实现\SPI.uv2
Project File Date: 03/29/2005
Output:
spi.lnp
"SPI.obj"
TO "SPI"
RAMSIZE(256)
spi.opt
### uVision2 Project, (C) Keil Software
### Do not modify !
cExt (*.c)
aExt (*.s*; *.src; *.a*)
oExt (*.obj)
lExt (*.lib)
tExt (*.txt; *.h; *.inc)
pExt (*.plm)
CppX (*.cpp)
DaveTm {
spi.lst
C51 COMPILER V7.06 SPI 03/29/2005 14:08:44 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE SPI
OBJECT MODULE PLACED IN SPI
spi.c
//-----------------------函数声明，变量定义--------------------------------------------------------
#include
#include
sbit SCK=P1^0; // 将p1.0口模拟时钟输出
sbit MOSI
spi.asm
3.1 MCU串行输入子程序<mark>SPI</mark>IN
从X25F008的<mark>SPI</mark>SO线上接收8位数据并放入寄存器R0中的应用子程序如下：
<mark>SPI</mark>IN：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
<mark>SPI</mark>IN1:CLR P1.1 ；使P1.1（时钟）输出为0
NOP ；延时
NOP
MOV C，P1.3 ；从机输出<mark>SPI</mark>SO送进 ...
spi.h
uchar SPI_WR(uchar val) //用SPI口收发数据
{
uchar temp;
SPDR=val;
while ((SPSR&(1
spi.c
#include "SEED-DEC2407.h"
#include "SPI.h"
#define Spi_Int 1
unsigned int j,spi_data[100];
void main()
{
unsigned int i;
i = 0;
j = 0;
DINT;
SystemInit();
SpiInit();
#if Spi_Int
spi.mak
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