IIC.rar_iic能调试吗

/************************************************** msp430f149单片机 IIC AT24C64A 先读一下里面的内容 然后，再写入,6MHZ的时钟 ***************************************************/ #include <msp430x14x.h> #include "msp430.h" unsigned char BUF[128]; unsigned char BUF1[128]; unsigned int IIc_WrAddr; //最大是0X03FF unsigned int IIc_RdAddr; unsigned int addr_ji;///////////////////////////////// unsigned int addr_ou;///////////////////////////////// /************************************************** 主程序 ***************************************************/ void main(void) { unsigned int i; unsigned char value; //unsigned char byte,value; //unsigned char temp,temp1,temp2; value = 0; IIc_WrAddr = 0X0000; //最大是0X03FF IIc_RdAddr = 0X0000; addr_ji = 1; addr_ou = 1; WDTCTL = WDTPW + WDTHOLD; //WDT BCSCTL1 &= ~XT2OFF; //XT2on do { IFG1 &= ~OFIFG; //Clear OSCFault flag for (i = 0xFF; i > 0; i--); //Time for flag to set } while ((IFG1 & OFIFG)); //OSCFault flag still set? BCSCTL2 |= SELM_2 + SELS; Sys_Init(); while(1) { Delay(300); value =0; for(i=0;i<128;i++) { I2c_Write(IIc_WrAddr,value); //写入自己的内容 IIc_WrAddr++; value++; } Delay(300); /* I2c_Write(0,3); //写入自己的内容 I2c_Write(2,5); //写入自己的内容 //I2c_Write(10,17); //写入自己的内容 temp = I2c_Read(0); temp1 = I2c_Read(2); //temp2 = I2c_Read(10); */ IIc_WrAddr = 0; _NOP(); for(i=0;i<128;i++) { BUF[i] = I2c_Read(IIc_WrAddr); IIc_WrAddr++; } Delay(300); /* bufnum = 0; for(i=0;i<128;i++) { byte = BUF[bufnum++]; //用串口打印出来 while((IFG2&UTXIFG1)==0); TXBUF1 = byte; Delay(5000); } */ } } /************************************************** 系统初始化程序 ***************************************************/ void Sys_Init(void) { IIC_Init(); //UART1_Init(); } /************************************************** IIC初始化程序 ***************************************************/ void IIC_Init(void) { SCL_OUT; //CLK为输出状态 SDA_OUT; SDA_1; SCL_1; } /************************************************** IIC读程序 ***************************************************/ unsigned char I2c_Read(unsigned int i2caddr) { unsigned char tempdata; i2c_start(); i2c_bytewrite(DEVADDR_WR); //写地址 Acknowledge(); i2c_bytewrite(i2caddr>>8); //写高地址 Acknowledge(); i2c_bytewrite(i2caddr); //写低地址 Acknowledge(); i2c_start(); i2c_bytewrite(DEVADDR_RD); //读地址 Acknowledge(); tempdata = i2c_byteread(); i2c_stop(); Delay(20); return tempdata; } /************************************************** IIC写程序 ***************************************************/ void I2c_Write(unsigned int i2caddr,unsigned char i2cdata) { i2c_start(); i2c_bytewrite(DEVADDR_WR); //写地址 Acknowledge(); i2c_bytewrite(i2caddr>>8); //写高地址 Acknowledge(); i2c_bytewrite(i2caddr); //写低地址 Acknowledge(); i2c_bytewrite(i2cdata); Acknowledge(); i2c_stop(); Delay(4800); } /************************************************** IIC启动程序:SCL高时，SDA有高变低 ***************************************************/ void i2c_start(void) { SDA_OUT; SDA_1; //将数据置1 NOP2; SCL_1; //时钟置1 NOP2; SDA_0; //启动 NOP2; SCL_0; //start NOP2; } /************************************************** IIC停止程序 ***************************************************/ void i2c_stop(void) { SCL_1; NOP2; NOP2; SDA_OUT; SDA_0; NOP2; NOP2; SCL_1; NOP2; NOP2; SDA_1; NOP2; } /************************************************** IIC字节写程序 ***************************************************/ void i2c_bytewrite(unsigned char writedata) { unsigned char i; for(i=0; i<8; i++) { if (writedata & BIT7) SDA_1; else SDA_0; writedata <<= 1; SCL_1; NOP4; SCL_0; NOP2; } } /************************************************** IIC字节读程序 ***************************************************/ unsigned char i2c_byteread(void) { unsigned char i,tempdata=0; SDA_IN; //置为输入 for (i=0; i<8; i++) { SCL_1; _NOP(); tempdata <<= 1; if (SDA_VAL) tempdata |= 1; SCL_0; NOP4; } return tempdata; } /************************************************** IIC发送一个0看单片机是否接收到的发送0程序 ***************************************************/ void Acknowledge(void) { SCL_0; NOP2; SDA_OUT; SDA_0; SCL_1; NOP2; SCL_0; } /************************************************** 接收确认程序 ***************************************************/ void ReceiveAck(void) { unsigned char i = 0; SCL_1; SDA_IN; //送回应脉冲 NOP2; while ((SDA_VAL) && (i < 20))i++; SDA_OUT; SCL_0; NOP2; } /************************************************** 延时程序 ***************************************************/ void Delay(unsigned int count) { unsigned int i; for(i=0;i<count;i++); }