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问 谁有这方面的资料或者有c的程序，不用汇编的，在此多谢 答 1: 引用: 答 2: 在此網站資料庫有下載 答 3: 楼上的，俺要一份 sir5163.com 答 4: elthan888hotmail.com,谢谢啦 答 5: bennyfwh365.com 答 6: 正好用到，给我也来一份啊，xie0577163.com 答 7: 能否给我一份？ 答 8: 楼上各位，资料已经发送，请查收。 答 9: 楼主，我也要一份：）谢谢支持，最近做关于i2c和430的，不过我们有点不同，大家互相交流，谢谢！ 答 10: 在网上看到的了，转贴这里。
通用MSP430—I2C程序
发布时间:2004年2月25日
//==================================//
//通用MSP430—I2C程序
//收藏：清风徐徐
//QQ：78779514
//EMAIL：XSL88888TOM.com
//2004.2.4
//===================================//
#include "MSP430x14x.h"
//P3.2 SCL
//P3.3 SDA

#define SDA_1 P3OUT |= BIT3 //SDA = 1
#define SDA_0 P3OUT &=~ BIT3 //SDA = 0
#define SCL_1 P3OUT |= BIT2 //SCL = 1
#define SCL_0 P3OUT &=~ BIT2 //SCL = 0
#define DIR_IN P3DIR &=~ BIT3; SDA_1 //I/O口为输入
#define DIR_OUT P3DIR |= BIT3 //I/0口为输出
#define SDA_IN ((P3IN >> 3) & 0x01) //Read SDA

unsigned int a[50];

static void Delay(unsigned int n)
{
unsigned int i;
for (i=0; i }

void Init(void)
{
SCL_1;
Delay(5);
SDA_1;
Delay(5);
}

void Start(void)
{
SDA_1;
Delay(5);
SCL_1;
Delay(5);
SDA_0;
Delay(5);
SCL_0;
Delay(5);
}

void Stop(void)
{
SDA_0;
Delay(5);
SCL_1;
Delay(5);
SDA_1;
Delay(5);
}

void WriteByte(unsigned char WriteData)
{
unsigned char i;
for (i=0; i<8; i++)
{
SCL_0;
Delay(5);
if (((WriteData >> 7) & 0x01) == 0x01)
{
SDA_1;
}
else
{
SDA_0;
}
Delay(5);
SCL_1;
WriteData = WriteData << 1;
Delay(5);
}
SCL_0;
SDA_1;
Delay(5);
Delay(5);
}

unsigned char ReadByte(void)
{
unsigned char i;
unsigned char TempBit = 0;
unsigned char TempData = 0;
SCL_0;
Delay(5);
SDA_1;
for (i=0; i<8; i++)
{
Delay(5);
SCL_1;
Delay(5);
DIR_IN;
if (SDA_IN == 0x01 /*sda==1*/)
{
TempBit = 1;
}
else
{
TempBit = 0;
}
DIR_OUT;
TempData = (TempData << 1) | TempBit;
SCL_0;
}
Delay(5);
return(TempData);
}

void ReceiveAck(void)
{
unsigned char i = 0;
SCL_1;
Delay(5);
DIR_IN;
while ((SDA_IN == 0x01 /*sda==1*/) && (i < 255)/*调试方便,可以不要*/)
{
i++;
}
DIR_OUT;
SCL_0;
Delay(5);
}

void Acknowledge(void)
{
SCL_0;
Delay(5);
DIR_OUT;
SDA_0;
SCL_1;
Delay(5);
SCL_0;
}

unsigned int ReadWord(unsigned char unit/*address*/)
{
unsigned char HighData = 0;
unsigned char LowData = 0;
unsigned int TempData = 0;
Start();
WriteByte(0xa0);
ReceiveAck();
WriteByte(unit);
ReceiveAck();
Start();
WriteByte(0xa1);
ReceiveAck();
LowData = ReadByte();
Acknowledge();
HighData = ReadByte();
Stop();
TempData = (HighData << 8) + LowData;
Delay(1000);
return(TempData);
}

void ReadWords(unsigned char unit/*address*/)
{
unsigned char i;
unsigned char HighData = 0;
unsigned char LowData = 0;
unsigned int TempData = 0;
Start();
WriteByte(0xa0);
ReceiveAck();
WriteByte(unit);
ReceiveAck();
Start();
WriteByte(0xa1);
ReceiveAck();
for (i=0; i<49; i++)
{
LowData = ReadByte();
Acknowledge();
HighData = ReadByte();
Acknowledge();
a[i]= (HighData << 8) + LowData;
}
LowData = ReadByte();
Acknowledge();
HighData = ReadByte();
Stop();
a[49] = (HighData << 8) + LowData;
Delay(1000);
}

void WriteWord(unsigned char unit/*address*/, unsigned int WriteData)
{
unsigned char LowData = 0;
unsigned char HighData = 0;
LowData = (unsigned char)WriteData;
HighData = (unsigned char)(WriteData >> 8);
Start();
WriteByte(0xa0);
ReceiveAck();
WriteByte(unit);
ReceiveAck();
WriteByte(LowData);
ReceiveAck();
WriteByte(HighData);
ReceiveAck();
Stop();
Delay(2000);
} 答 11: EEPROM读写子程序
经过测试！！包得 答 12: 我不能下载，原来我的资金就是这样被扣完的？！ 答 13: 正急需，给我也来一份好吗？多谢！zsj919yahoo.com.cn 答 14: 通用MSP430—I2C程序
发布时间:2004年2月25日
//==================================//
//通用MSP430—I2C程序
//收藏：清风徐徐
//QQ：78779514
//EMAIL：XSL88888TOM.com
//2004.2.4
//===================================//

此程序我试了，我把接口换为P4.1和P4.2后写的不对，读的不对。


上传程序最好是经过测试的，不然还得大家走弯路，不赞成！！1！！！