本人是菜鸟，大神勿喷。 void ADC_Init(void)
{
    SysCtlPeriEnable(SYSCTL_PERIPH_ADC);    //  使能ADC模块
    SysCtlADCSpeedSet(SYSCTL_ADCSPEED_125KSPS); //  设置ADC采样率
    ADCSequenceDisable(ADC_BASE , 0);            //  禁止采样序列
    ADCSequenceConfigure(ADC_BASE ,          //  采样序列配置                       
                         0 ,                                    //  采样序列编号
    ADC_TRIGGER_PROCESSOR ,                //  由处理器触发
    0);                                    //  设置优先级
 //   ADCHardwareOversampleConfigure(ADC_BASE, 16); // 硬件过采样配置
    ADCSequenceStepConfigure(ADC_BASE ,    //  采样步进设置
        0 ,                                //  采样序列编号
        0 ,                                //  设置步进
     ADC_CTL_END | ADC_CTL_CH0);    //  通道设置  从ADC0口读入数据
    ADCSequenceEnable(ADC_BASE , 0);    //  使能采样序列
}
void ADC_Getresult(void)
{
      unsigned long  ulVal  =  0x00;     //用来保存转换后的数字量
      unsigned char Val,Voltage0 = 0,Voltage1 = 0, Voltage2 = 0, Voltage3 = 0, Voltage4 = 0, Voltage5 = 0;
      ADCProcessorTrigger(ADC_BASE , 0); //触发样本序列
      while ( HWREG(ADC_BASE+ADC_O_X_SSFSTAT) & 0x00000100 );     //等待样本序列采集完成
      ADCSequenceDataGet(ADC_BASE , 0 , &ulVal); //获取采集的结果 
      ulVal  =  ulVal * (3000 / 1024);//将结果进行转换单位mV        
      Voltage0 = (int)(ulVal / 100000) + '0';
      Voltage1 = (int)(ulVal % 100000 / 10000) + '0';
      Voltage2 = (int)(ulVal % 10000 / 1000) + '0';
      Voltage3 = (int)(ulVal % 1000 / 100) + '0';
      Voltage4 = (int)(ulVal % 100 / 10) + '0';
      Voltage5 = (int)(ulVal % 10) + '0';
      showzifu(100,85,Voltage0,0,0xffff); //显示字符串
      showzifu(112,85,Voltage1,0,0xffff); //显示字符串
      showzifu(124,85,Voltage2,0,0xffff); //显示字符串
      showzifu(136,85,Voltage3,0,0xffff); //显示字符串
      showzifu(148,85,Voltage4,0,0xffff); //显示字符串
      showzifu(160,85,Voltage5,0,0xffff); //显示字符串
} 此帖出自小平头技术问答