PCF8591 AD转换程序

iicInit(); //I2C总线初始化
DAC_PCF8591(0x40,receivebuf[0]); //D/A输出

if(SystemError == 1) //有错误，重新来
{
iicInit(); //I2C总线初始化
DAC_PCF8591(0x40,receivebuf[0]); //D/A输出
}

//delay(50); //延时
}

}
}