void adc1_isr(void)
{
int16 result;
uint8 ab = LPLD_ADC_GetSC1nCOCO(ADC1);//判断转换完成的是A组还是B组
result = LPLD_ADC_GetResult(ADC1, ab);//获取采样结果
printf("ADC1_R[%d]=%d\r\n", ab, result);//打印输出结果
LPLD_ADC_EnableConversion(ADC1, DAD1, 0, TRUE);
}
void init_ADC()
{
adc0_init_struct.ADC_Adcx = ADC0; //选择ADC0
adc0_init_struct.ADC_BitMode = SE_12BIT; //配置转换精度
adc0_init_struct.ADC_CalEnable = TRUE; //使能初始化自动校准
adc0_init_struct.ADC_HwTrgCfg = HW_TRGA; //配置为硬件触发转换
adc0_init_struct.ADC_DmaEnable = TRUE; //使能DMA
adc0_init_struct.ADC_SampleTimeCfg = SAMTIME_LONG;
//初始化ADC0
LPLD_ADC_Init(adc0_init_struct);
//使能ADC0的AD8输入引脚复用功能
LPLD_ADC_Chn_Enable(ADC0, AD8);
//使能ADC0的AD8输入通道、禁用转换完成中断
LPLD_ADC_EnableConversion(ADC0, AD8, 0, FALSE); //使能PTB0通道
adc0_init_struct.ADC_Adcx = ADC1;
LPLD_ADC_Init(adc0_init_struct);
//使能ADC0的AD8输入引脚复用功能
LPLD_ADC_Chn_Enable(ADC0, AD8);
//使能ADC0的AD8输入通道、禁用转换完成中断
LPLD_ADC_EnableConversion(ADC1, AD8, 0, FALSE); //使能PTB0通道
}
void adc_init(myadc *adc, uint32 PIT_PeriodUs)
{
pdb_init(adc->PDB_TriggerInputSourceSel, adc->ADC_Adcx);
adc_init_struct.ADC_Adcx = adc->ADC_Adcx;
adc_init_struct.ADC_DiffMode = ADC_SE; //单端采集
adc_init_struct.ADC_BitMode = SE_12BIT; //单端12位精度
adc_init_struct.ADC_SampleTimeCfg = SAMTIME_SHORT; //短采样时间
adc_init_struct.ADC_HwAvgSel = HW_4AVG; //4次硬件平均
adc_init_struct.ADC_PgaGain = PGA_1GAIN; //1倍增益
adc_init_struct.ADC_MuxSel = MUX_ADXXA; //A输入通道
adc_init_struct.ADC_CalEnable = TRUE; //使能初始化校验
adc_init_struct.ADC_HwTrgCfg = HW_TRGA; //禁用硬件触发转换
adc_init_struct.ADC_DmaEnable = FALSE; //禁用DMA
adc_init_struct.ADC_Isr = adc->isr; //设置ADC中断函数
LPLD_ADC_Init(adc_init_struct); //初始化ADC0
LPLD_ADC_Chn_Enable(adc->ADC_Adcx, adc->chn); //使能ADC0的DAD1输入引脚复用功能
LPLD_ADC_EnableConversion(adc->ADC_Adcx, adc->chn, 0, TRUE); //使能ADC0的DAD1输入通道及其转换完成中断
LPLD_ADC_EnableIrq(adc_init_struct); //使能ADC0中断
pit_init(adc->PIT_Pitx, PIT_PeriodUs);
}
