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adc data test

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This commit is contained in:
不吃油炸鸡
2025-08-24 10:37:58 +08:00
parent bb209a9d45
commit ac38b21e1b
4 changed files with 29 additions and 23 deletions
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10
Power_Pico/Core/Inc/adc.h
View File

@@ -30,18 +30,18 @@ extern "C" {
/* USER CODE BEGIN Includes */
#define ADC_TIMES 100
#define ADC_CHANELS 4
#define ADC_TIMES 10
#define ADC_CHANELS 5
typedef struct {
uint8_t header[5];
// 0x55, 0xAA header
// 0x64 adc times, 0x05 adc channels (so data lenth is times * channels * 2 bytes)
// 0x0A adc times, 0x05 adc channels (so data lenth is times * channels * 2 bytes)
// and 1byte for direct & unit, 0x0? for positive, 0x1? for negative, 0x?0 for LOW, 0x?1 for MID, 0x?2 for HIGH.
uint16_t data[ADC_TIMES][ADC_CHANELS]; // ADC 数据（真正要采集的地方）
uint16_t data[ADC_TIMES][ADC_CHANELS]; // ADC 数据 ()
} __attribute__((packed)) ADC_Packet;
extern ADC_Packet adc_packet1, adc_packet2;
extern ADC_Packet adc_packet;
/* USER CODE END Includes */

19
Power_Pico/Core/Src/adc.c
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@@ -22,7 +22,7 @@
/* USER CODE BEGIN 0 */
ADC_Packet adc_packet1, adc_packet2;
ADC_Packet adc_packet;
/* USER CODE END 0 */
@@ -54,7 +54,7 @@ void MX_ADC1_Init(void)
hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T2_TRGO;
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc1.Init.NbrOfConversion = 4;
hadc1.Init.NbrOfConversion = 5;
hadc1.Init.DMAContinuousRequests = ENABLE;
hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
if (HAL_ADC_Init(&hadc1) != HAL_OK)
@@ -98,6 +98,15 @@ void MX_ADC1_Init(void)
{
Error_Handler();
}
/** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
*/
sConfig.Channel = ADC_CHANNEL_9;
sConfig.Rank = 5;
if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN ADC1_Init 2 */
__HAL_DMA_ENABLE_IT(&hdma_adc1, DMA_IT_TC); /*开启DMA传输完成中断*/
/* USER CODE END ADC1_Init 2 */
@@ -123,13 +132,14 @@ void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
PA6 ------> ADC1_IN6
PA7 ------> ADC1_IN7
PB0 ------> ADC1_IN8
PB1 ------> ADC1_IN9
*/
GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_0;
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
@@ -175,10 +185,11 @@ void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
PA6 ------> ADC1_IN6
PA7 ------> ADC1_IN7
PB0 ------> ADC1_IN8
PB1 ------> ADC1_IN9
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0|GPIO_PIN_1);
/* ADC1 DMA DeInit */
HAL_DMA_DeInit(adcHandle->DMA_Handle);

8
Power_Pico/Core/Src/stm32f4xx_it.c
View File

@@ -205,10 +205,10 @@ void DMA2_Stream0_IRQHandler(void)
if(__HAL_DMA_GET_FLAG(&hdma_adc1, DMA_FLAG_TCIF0_4)) {
__HAL_DMA_CLEAR_FLAG(&hdma_adc1, DMA_FLAG_TCIF0_4);
HAL_ADC_Stop_DMA(&hadc1);
// 填充帧头
adc_packet1.header[4] = 0x10;
HAL_UART_Transmit_DMA(&huart6, (uint8_t *)&adc_packet1, sizeof(adc_packet1));
// HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_buf1, ADC_TIMES * ADC_CHANELS);
// 填充模式位
adc_packet.header[4] = 0x10;
HAL_UART_Transmit_DMA(&huart6, (uint8_t *)&adc_packet, sizeof(adc_packet));
HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_packet.data, ADC_TIMES * ADC_CHANELS);
}
/* USER CODE END DMA2_Stream0_IRQn 0 */
HAL_DMA_IRQHandler(&hdma_adc1);

15
Power_Pico/User/Tasks/Src/user_HardwareInitTask.c
View File

@@ -49,18 +49,13 @@ void HardwareInitTask(void *argument)
// HAL_UART_Transmit_DMA(&huart6,(uint8_t *)"power-pico\r\n",13);
// ADC
HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_packet1.data, ADC_TIMES * ADC_CHANELS); /*启动ADC的DMA传输，配合定时器触发ADC转换 12位的ADC对应0-4095 */
HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_packet.data, ADC_TIMES * ADC_CHANELS); /*启动ADC的DMA传输，配合定时器触发ADC转换 12位的ADC对应0-4095 */
HAL_TIM_Base_Start(&htim2); /*开启定时器，用溢出时间来触发ADC*/
adc_packet1.header[0] = 0x55;
adc_packet1.header[1] = 0xAA;
adc_packet1.header[2] = ADC_TIMES;
adc_packet1.header[3] = ADC_CHANELS;
adc_packet2.header[0] = 0x55;
adc_packet2.header[1] = 0xAA;
adc_packet1.header[2] = ADC_TIMES;
adc_packet1.header[3] = ADC_CHANELS;
adc_packet.header[0] = 0x55;
adc_packet.header[1] = 0xAA;
adc_packet.header[2] = ADC_TIMES;
adc_packet.header[3] = ADC_CHANELS;
// gate, for current flow route selection, high current by default
Gate_Port_Init();