add dma

Power_Pico/Core/Inc/stm32f4xx_it.h

@@ -54,6 +54,9 @@ void UsageFault_Handler(void);
 void DebugMon_Handler(void);
 void DMA1_Stream4_IRQHandler(void);
 void TIM1_TRG_COM_TIM11_IRQHandler(void);
+void DMA2_Stream0_IRQHandler(void);
+void DMA2_Stream1_IRQHandler(void);
+void USART6_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Power_Pico/Core/Inc/usart.h

@@ -35,13 +35,16 @@ extern "C" {
 extern UART_HandleTypeDef huart6;
 
 /* USER CODE BEGIN Private defines */
-
+#define USART_RX_BUFFER_SIZE 25
+extern uint8_t uart_receive_str[USART_RX_BUFFER_SIZE + 1];
 /* USER CODE END Private defines */
 
 void MX_USART6_UART_Init(void);
 
 /* USER CODE BEGIN Prototypes */
 
+void UART6_TX_Send(uint8_t *buffer, uint16_t length);
+
 /* USER CODE END Prototypes */
 
 #ifdef __cplusplus

Power_Pico/Core/Src/adc.c

@@ -25,6 +25,7 @@
 /* USER CODE END 0 */
 
 ADC_HandleTypeDef hadc1;
+DMA_HandleTypeDef hdma_adc1;
 
 /* ADC1 init function */
 void MX_ADC1_Init(void)
@@ -45,14 +46,14 @@ void MX_ADC1_Init(void)
   hadc1.Instance = ADC1;
   hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
   hadc1.Init.Resolution = ADC_RESOLUTION_12B;
-  hadc1.Init.ScanConvMode = DISABLE;
+  hadc1.Init.ScanConvMode = ENABLE;
   hadc1.Init.ContinuousConvMode = DISABLE;
   hadc1.Init.DiscontinuousConvMode = DISABLE;
-  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
+  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
-  hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
+  hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T2_TRGO;
   hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
-  hadc1.Init.NbrOfConversion = 1;
+  hadc1.Init.NbrOfConversion = 4;
-  hadc1.Init.DMAContinuousRequests = DISABLE;
+  hadc1.Init.DMAContinuousRequests = ENABLE;
   hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
   if (HAL_ADC_Init(&hadc1) != HAL_OK)
   {
@@ -63,7 +64,34 @@ void MX_ADC1_Init(void)
   */
   sConfig.Channel = ADC_CHANNEL_5;
   sConfig.Rank = 1;
-  sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
+  sConfig.SamplingTime = ADC_SAMPLETIME_144CYCLES;
+  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
+  */
+  sConfig.Channel = ADC_CHANNEL_6;
+  sConfig.Rank = 2;
+  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
+  */
+  sConfig.Channel = ADC_CHANNEL_7;
+  sConfig.Rank = 3;
+  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
+  */
+  sConfig.Channel = ADC_CHANNEL_8;
+  sConfig.Rank = 4;
   if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
   {
     Error_Handler();
@@ -87,16 +115,42 @@ void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
     __HAL_RCC_ADC1_CLK_ENABLE();
 
     __HAL_RCC_GPIOA_CLK_ENABLE();
+    __HAL_RCC_GPIOB_CLK_ENABLE();
     /**ADC1 GPIO Configuration
     PA5     ------> ADC1_IN5
     PA6     ------> ADC1_IN6
     PA7     ------> ADC1_IN7
+    PB0     ------> ADC1_IN8
     */
     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.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+    /* ADC1 DMA Init */
+    /* ADC1 Init */
+    hdma_adc1.Instance = DMA2_Stream0;
+    hdma_adc1.Init.Channel = DMA_CHANNEL_0;
+    hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
+    hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
+    hdma_adc1.Init.Mode = DMA_CIRCULAR;
+    hdma_adc1.Init.Priority = DMA_PRIORITY_LOW;
+    hdma_adc1.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
+    if (HAL_DMA_Init(&hdma_adc1) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(adcHandle,DMA_Handle,hdma_adc1);
+
   /* USER CODE BEGIN ADC1_MspInit 1 */
 
   /* USER CODE END ADC1_MspInit 1 */
@@ -118,9 +172,14 @@ void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
     PA5     ------> ADC1_IN5
     PA6     ------> ADC1_IN6
     PA7     ------> ADC1_IN7
+    PB0     ------> ADC1_IN8
     */
     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
 
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0);
+
+    /* ADC1 DMA DeInit */
+    HAL_DMA_DeInit(adcHandle->DMA_Handle);
   /* USER CODE BEGIN ADC1_MspDeInit 1 */
 
   /* USER CODE END ADC1_MspDeInit 1 */

Power_Pico/Core/Src/dma.c

@@ -41,11 +41,18 @@ void MX_DMA_Init(void)
 
   /* DMA controller clock enable */
   __HAL_RCC_DMA1_CLK_ENABLE();
+  __HAL_RCC_DMA2_CLK_ENABLE();
 
   /* DMA interrupt init */
   /* DMA1_Stream4_IRQn interrupt configuration */
   HAL_NVIC_SetPriority(DMA1_Stream4_IRQn, 5, 0);
   HAL_NVIC_EnableIRQ(DMA1_Stream4_IRQn);
+  /* DMA2_Stream0_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA2_Stream0_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(DMA2_Stream0_IRQn);
+  /* DMA2_Stream1_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 5, 0);
+  HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
 
 }