HAL_ADCEx_Calibration_Start(&hadc1,ADC_CALIB_OFFSET_LINEARITY, ADC_SINGLE_ENDED);HAL_ADCEx_Calibration_Start(&hadc2,ADC_CALIB_OFFSET_LINEARITY, ADC_SINGLE_ENDED);HAL_ADC_Start(&hadc2);HAL_ADCEx_MultiModeStart_DMA(&hadc1, (uint32_t *)ADC_Raw_Data,1024); 要开启ADC采样,只需开启TIM8...
unsigned short Get_Adc(ADC_HandleTypeDef *ADC_Handler,unsigned int ch) { ADC_ChannelConfTypeDef sConfig = {0}; sConfig.Channel = ADC_CHANNEL_3; sConfig.Rank = ADC_REGULAR_RANK_1; sConfig.SamplingTime = ADC_SAMPLETIME_810CYCLES_5; sConfig.SingleDiff = ADC_SINGLE_ENDED; sConfig.OffsetNum...
首先要进行ADC校准以及要打开ADC通道。 代码如下(示例): /* USER CODE BEGIN 2 */ //校准ADC HAL_ADCEx_Calibration_Start(&hadc3,ADC_CALIB_OFFSET,ADC_SINGLE_ENDED); //打开ADC3 HAL_ADC_Start(&hadc3); /* USER CODE END 2 */ } 1. 2. 3. 4. 5. 6. 7. 8. 其次进行AD采集以及开始运用...
LL_ADC_DisableDeepPowerDown(ADC1); /* Enable ADC internal voltage regulator */ LL_ADC_EnableInternalRegulator(ADC1); LL_ADC_ClearFlag_JEOC(ADC1); LL_ADC_EnableIT_JEOC(ADC1); LL_ADC_StartCalibration(ADC1, LL_ADC_SINGLE_ENDED); while (1U == LL_ADC_IsCalibrationOnGoing(ADC1)) {/* ...
if (HAL_ADCEx_Calibration_Start(&hadc2, ADC_CALIB_OFFSET, ADC_SINGLE_ENDED) != HAL_OK) { Error_Handler(); } if (HAL_ADCEx_Calibration_Start(&hadc3, ADC_CALIB_OFFSET, ADC_SINGLE_ENDED) != HAL_OK) { Error_Handler(); }
sConfig.SingleDiff = ADC_SINGLE_ENDED;sConfig.OffsetNumber = ADC_OFFSET_NONE;sConfig.Offset = 0...
首先使用的时候要校准一下ADC,然后开启一次DMA转换即可因为开启了ADC连续模式并且开启了DMA, 校准ADC的API: HAL_ADCEx_Calibration_Start(&hadc1,ADC_SINGLE_ENDED); 开启ADC DMA传输的API: if ( HAL_ADC_Start_DMA(&hadc1,(uint32_t *)&ADC_Value,1) != HAL_OK) ...
AI即Analog Input,模拟量输入,又称ADC,输入范围0-3.3V(芯片参考电压引脚外接3.3V)对应数字量12bit(0-4095); 注意ADC转换时间,尽可能设置时间长一些,如把2.5 Cycles改为47.5 Cycles,否则MCU工作频率太高的话,如有的芯片工作频率168MHZ,会转换时间不够。(Clock Prescaler & Sampling Time) ...
7、添加保存SDADC转换结果数组 /* USER CODE BEGIN PV */ /* Private variables---*/ TIMER_TypeDef tmrLed; __IO int16_t InjectedConvData_SDADC1[5] = {0, 0, 0, 0, 0}; __IO uint32_t InjChannel = 0; /* USER CODE END PV */ SDADC1校准 /* USER...
sConfig.SingleDiff = ADC_SINGLE_ENDED; sConfig.OffsetNumber = ADC_OFFSET_NONE; sConfig.Offset = 0; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN ADC1_Init 2 *//* USER CODE END ADC1_Ini...