add DMA for i2c2 and spi1

Core/Src/dma.c

@@ -48,17 +48,27 @@ void MX_DMA_Init(void)
   /* DMA1_Channel1_IRQn interrupt configuration */
     HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
-#if 0
+#if 1
-  /* DMA1_Channel2_IRQn interrupt configuration */
+
+    // **** SPI1
+    /* DMA1_Channel2_IRQn interrupt configuration */
     HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
     /* DMA1_Channel3_IRQn interrupt configuration */
     HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
+    // **** SPI1
+
+    // **** I2C2
+    /* DMA1_Channel4_IRQn interrupt configuration */
+    HAL_NVIC_SetPriority(DMA1_Channel4_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(DMA1_Channel4_IRQn);
+    /* DMA1_Channel5_IRQn interrupt configuration */
+    HAL_NVIC_SetPriority(DMA1_Channel5_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(DMA1_Channel5_IRQn);
+    // **** I2C2
 #endif
-  /* DMA1_Channel5_IRQn interrupt configuration */
+
-  HAL_NVIC_SetPriority(DMA1_Channel5_IRQn, 2, 0);
-  HAL_NVIC_EnableIRQ(DMA1_Channel5_IRQn);
 
 }
 

Core/Src/i2c.c

@@ -25,7 +25,8 @@
 /* USER CODE END 0 */
 
 I2C_HandleTypeDef hi2c2;
-
+DMA_HandleTypeDef hdma_i2c2_rx;
+DMA_HandleTypeDef hdma_i2c2_tx;
 
 /* I2C2 init function */
 void MX_I2C_Init(void)
@@ -86,6 +87,51 @@ void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
       __HAL_RCC_I2C2_CLK_ENABLE();
     /* USER CODE BEGIN I2C2_MspInit 1 */
 
+      /* I2C2 DMA Init */
+      /* I2C2_RX Init */
+      hdma_i2c2_rx.Instance = DMA1_Channel4;
+      hdma_i2c2_rx.Init.Request = DMA_REQUEST_I2C2_RX;
+      hdma_i2c2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
+      hdma_i2c2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
+      hdma_i2c2_rx.Init.MemInc = DMA_MINC_ENABLE;
+      hdma_i2c2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+      hdma_i2c2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+      hdma_i2c2_rx.Init.Mode = DMA_NORMAL;
+      hdma_i2c2_rx.Init.Priority = DMA_PRIORITY_LOW;
+      if (HAL_DMA_Init(&hdma_i2c2_rx) != HAL_OK)
+      {
+        Error_Handler();
+      }
+  #ifdef STM32WL55xx
+      if (HAL_DMA_ConfigChannelAttributes(&hdma_i2c2_rx, DMA_CHANNEL_NPRIV) != HAL_OK)
+      {
+        Error_Handler();
+      }
+  #endif
+      __HAL_LINKDMA(i2cHandle,hdmarx,hdma_i2c2_rx);
+
+      /* I2C2_TX Init */
+      hdma_i2c2_tx.Instance = DMA1_Channel5;
+      hdma_i2c2_tx.Init.Request = DMA_REQUEST_I2C2_TX;
+      hdma_i2c2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
+      hdma_i2c2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
+      hdma_i2c2_tx.Init.MemInc = DMA_MINC_ENABLE;
+      hdma_i2c2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+      hdma_i2c2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+      hdma_i2c2_tx.Init.Mode = DMA_NORMAL;
+      hdma_i2c2_tx.Init.Priority = DMA_PRIORITY_LOW;
+      if (HAL_DMA_Init(&hdma_i2c2_tx) != HAL_OK)
+      {
+        Error_Handler();
+      }
+  #ifdef STM32WL55xx
+      if (HAL_DMA_ConfigChannelAttributes(&hdma_i2c2_tx, DMA_CHANNEL_NPRIV) != HAL_OK)
+      {
+        Error_Handler();
+      }
+  #endif
+      __HAL_LINKDMA(i2cHandle,hdmatx,hdma_i2c2_tx);
+
     /* USER CODE END I2C2_MspInit 1 */
   }
 

Core/Src/main.c

@@ -120,7 +120,8 @@ int main(void)
   //BSP_LCD_DisplayOff();
   BSP_LCD_Test();
 
-	MLX90640_I2CInit();
+  APP_LOG(TS_OFF, VLEVEL_L, "START Thermal Graph Test....\r\n");
+	//MLX90640_I2CInit();
 	mlx90640_display_init();
 
     while (1)

Core/Src/spi.c

@@ -105,7 +105,7 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
     HAL_GPIO_Init(MEMS_SPI_SCK_GPIO_Port, &GPIO_InitStruct);
-#if 0
+#if 1
     /* SPI1 DMA Init */
     /* SPI1_RX Init */
     hdma_spi1_rx.Instance = DMA1_Channel2;
@@ -131,7 +131,7 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
 #endif
 #if 1
     /* SPI1_TX Init */
-    hdma_spi1_tx.Instance = DMA1_Channel1;
+    hdma_spi1_tx.Instance = DMA1_Channel3;
     hdma_spi1_tx.Init.Request = DMA_REQUEST_SPI1_TX;
     hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
     hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
@@ -144,7 +144,7 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     {
       Error_Handler();
     }
-#if 0
+#if 1
     if (HAL_DMA_ConfigChannelAttributes(&hdma_spi1_tx, DMA_CHANNEL_NPRIV) != HAL_OK)
     {
       Error_Handler();

Core/Src/stm32wlxx_it.c

@@ -62,6 +62,9 @@ extern UART_HandleTypeDef huart2;
 /* USER CODE BEGIN EV */
 extern DMA_HandleTypeDef hdma_spi1_rx;
 extern DMA_HandleTypeDef hdma_spi1_tx;
+extern DMA_HandleTypeDef hdma_i2c2_rx;
+extern DMA_HandleTypeDef hdma_i2c2_tx;
+
 extern SPI_HandleTypeDef hspi1;
 /* USER CODE END EV */
 
@@ -252,12 +255,12 @@ void DMA1_Channel1_IRQHandler(void)
   /* USER CODE BEGIN DMA1_Channel1_IRQn 0 */
 
   /* USER CODE END DMA1_Channel1_IRQn 0 */
-  HAL_DMA_IRQHandler(&hdma_spi1_tx);
+  //HAL_DMA_IRQHandler(&hdma_spi1_tx);
   /* USER CODE BEGIN DMA1_Channel1_IRQn 1 */
 
   /* USER CODE END DMA1_Channel1_IRQn 1 */
 }
-#if 0
+
 /**
   * @brief This function handles DMA1 Channel 2 Interrupt.
   */
@@ -280,12 +283,27 @@ void DMA1_Channel3_IRQHandler(void)
   /* USER CODE BEGIN DMA1_Channel3_IRQn 0 */
 
   /* USER CODE END DMA1_Channel3_IRQn 0 */
-  //HAL_DMA_IRQHandler(&hdma_spi1_tx);
+	HAL_DMA_IRQHandler(&hdma_spi1_tx);
   /* USER CODE BEGIN DMA1_Channel3_IRQn 1 */
 
   /* USER CODE END DMA1_Channel3_IRQn 1 */
 }
-#endif
+
+
+/**
+  * @brief This function handles DMA1 Channel 4 Interrupt.
+  */
+void DMA1_Channel4_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Channel4_IRQn 0 */
+
+  /* USER CODE END DMA1_Channel4_IRQn 0 */
+	HAL_DMA_IRQHandler(&hdma_i2c2_rx);
+  /* USER CODE BEGIN DMA1_Channel4_IRQn 1 */
+
+  /* USER CODE END DMA1_Channel4_IRQn 1 */
+}
+
 /**
   * @brief This function handles DMA1 Channel 5 Interrupt.
   */

mlx90640/mlx90640_lcd_display.c

@@ -11,7 +11,7 @@
 #define  FPS32HZ  0x06
 
 #define  MLX90640_ADDR 0x33
-#define	 RefreshRate FPS8HZ 
+#define	 RefreshRate FPS4HZ
 #define EMMISIVITY 0.95f
 #define TA_SHIFT 8 //Default shift for MLX90640 in open air