Camera_driver: add image data export to RS-485 interface

resources/FC_camera/FC_camera.ioc

@@ -37,29 +37,32 @@ Mcu.IP3=RCC
 Mcu.IP4=SPI1
 Mcu.IP5=SYS
 Mcu.IP6=USART1
-Mcu.IPNb=7
+Mcu.IP7=USART3
+Mcu.IPNb=8
 Mcu.Name=STM32L452C(C-E)Ux
 Mcu.Package=UFQFPN48
 Mcu.Pin0=PA0
 Mcu.Pin1=PA1
-Mcu.Pin10=PA9
+Mcu.Pin10=PB15
-Mcu.Pin11=PA10
+Mcu.Pin11=PA8
-Mcu.Pin12=PA13 (JTMS/SWDIO)
+Mcu.Pin12=PA9
-Mcu.Pin13=PA14 (JTCK/SWCLK)
+Mcu.Pin13=PA10
-Mcu.Pin14=PA15 (JTDI)
+Mcu.Pin14=PA13 (JTMS/SWDIO)
-Mcu.Pin15=PH3-BOOT0 (BOOT0)
+Mcu.Pin15=PA14 (JTCK/SWCLK)
-Mcu.Pin16=PB8
+Mcu.Pin16=PA15 (JTDI)
-Mcu.Pin17=PB9
+Mcu.Pin17=PH3-BOOT0 (BOOT0)
-Mcu.Pin18=VP_SYS_VS_Systick
+Mcu.Pin18=PB8
+Mcu.Pin19=PB9
 Mcu.Pin2=PA2
+Mcu.Pin20=VP_SYS_VS_Systick
 Mcu.Pin3=PA4
 Mcu.Pin4=PA5
 Mcu.Pin5=PA6
 Mcu.Pin6=PA7
 Mcu.Pin7=PB0
-Mcu.Pin8=PB15
+Mcu.Pin8=PB10
-Mcu.Pin9=PA8
+Mcu.Pin9=PB11
-Mcu.PinsNb=19
+Mcu.PinsNb=21
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32L452CEUx
@@ -133,6 +136,10 @@ PB0.GPIO_Speed=GPIO_SPEED_FREQ_VERY_HIGH
 PB0.Locked=true
 PB0.PinState=GPIO_PIN_RESET
 PB0.Signal=GPIO_Output
+PB10.Mode=Asynchronous
+PB10.Signal=USART3_TX
+PB11.Mode=Asynchronous
+PB11.Signal=USART3_RX
 PB15.GPIOParameters=GPIO_PuPd,GPIO_Label
 PB15.GPIO_Label=LED1
 PB15.GPIO_PuPd=GPIO_PULLUP
@@ -230,6 +237,8 @@ SPI1.Mode=SPI_MODE_MASTER
 SPI1.VirtualType=VM_MASTER
 USART1.IPParameters=VirtualMode-Asynchronous
 USART1.VirtualMode-Asynchronous=VM_ASYNC
+USART3.IPParameters=VirtualMode-Asynchronous
+USART3.VirtualMode-Asynchronous=VM_ASYNC
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=custom

resources/FC_camera/Makefile

@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.18.0-B7] date: [Mon Jan 23 18:29:42 CET 2023] 
+# File automatically-generated by tool: [projectgenerator] version: [3.18.0-B7] date: [Mon Jan 23 20:27:29 CET 2023] 
 ##########################################################################################################################
 
 # ------------------------------------------------

resources/FC_camera/Src/main.c

@@ -50,6 +50,7 @@ DMA_HandleTypeDef hdma_spi1_rx;
 DMA_HandleTypeDef hdma_spi1_tx;
 
 UART_HandleTypeDef huart1;
+UART_HandleTypeDef huart3;
 
 /* USER CODE BEGIN PV */
 
@@ -62,6 +63,7 @@ static void MX_DMA_Init(void);
 static void MX_I2C1_Init(void);
 static void MX_SPI1_Init(void);
 static void MX_USART1_UART_Init(void);
+static void MX_USART3_UART_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -89,23 +91,28 @@ void Image_capture(OV2640 *camera, ButCube_imager *transmitter){
 int main(void){
     /* USER CODE BEGIN 1 */
     /* USER CODE END 1 */
+
     /* MCU Configuration--------------------------------------------------------*/
+
     /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
     HAL_Init();
 
     /* USER CODE BEGIN Init */
     /* USER CODE END Init */
+
     /* Configure the system clock */
     SystemClock_Config();
 
     /* USER CODE BEGIN SysInit */
     /* USER CODE END SysInit */
+
     /* Initialize all configured peripherals */
     MX_GPIO_Init();
     MX_DMA_Init();
     MX_I2C1_Init();
     MX_SPI1_Init();
     MX_USART1_UART_Init();
+    MX_USART3_UART_Init();
     /* USER CODE BEGIN 2 */
 
     // Initialize SPI clock
@@ -123,6 +130,7 @@ int main(void){
 
     ButCube_imager *transmitter = new ButCube_imager();
     transmitter->Add_output(huart1);
+    transmitter->Add_output(huart3);
     transmitter->Camera_power(true);
 
     // Wait for power rail to stabilize
@@ -131,10 +139,12 @@ int main(void){
     OV2640 *camera = new OV2640(hi2c1, 0x60, hspi1, SPI_camera::Chip_select_pin{ GPIOB, GPIO_PIN_0 });
 
     /* USER CODE END 2 */
+
     /* Infinite loop */
     /* USER CODE BEGIN WHILE */
     while (1) {
         /* USER CODE END WHILE */
+
         /* USER CODE BEGIN 3 */
         Image_capture(camera, transmitter);
     }
@@ -296,6 +306,37 @@ static void MX_USART1_UART_Init(void){
     /* USER CODE END USART1_Init 2 */
 }
 
+/**
+  * @brief USART3 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_USART3_UART_Init(void){
+    /* USER CODE BEGIN USART3_Init 0 */
+
+    /* USER CODE END USART3_Init 0 */
+
+    /* USER CODE BEGIN USART3_Init 1 */
+
+    /* USER CODE END USART3_Init 1 */
+    huart3.Instance                    = USART3;
+    huart3.Init.BaudRate               = 115200;
+    huart3.Init.WordLength             = UART_WORDLENGTH_8B;
+    huart3.Init.StopBits               = UART_STOPBITS_1;
+    huart3.Init.Parity                 = UART_PARITY_NONE;
+    huart3.Init.Mode                   = UART_MODE_TX_RX;
+    huart3.Init.HwFlowCtl              = UART_HWCONTROL_NONE;
+    huart3.Init.OverSampling           = UART_OVERSAMPLING_16;
+    huart3.Init.OneBitSampling         = UART_ONE_BIT_SAMPLE_DISABLE;
+    huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
+    if (HAL_UART_Init(&huart3) != HAL_OK) {
+        Error_Handler();
+    }
+    /* USER CODE BEGIN USART3_Init 2 */
+
+    /* USER CODE END USART3_Init 2 */
+}
+
 /**
   * Enable DMA controller clock
   */

resources/FC_camera/Src/stm32l4xx_hal_msp.c

@@ -305,6 +305,40 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
 
   /* USER CODE END USART1_MspInit 1 */
   }
+  else if(huart->Instance==USART3)
+  {
+  /* USER CODE BEGIN USART3_MspInit 0 */
+
+  /* USER CODE END USART3_MspInit 0 */
+
+  /** Initializes the peripherals clock
+  */
+    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART3;
+    PeriphClkInit.Usart3ClockSelection = RCC_USART3CLKSOURCE_PCLK1;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    /* Peripheral clock enable */
+    __HAL_RCC_USART3_CLK_ENABLE();
+
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+    /**USART3 GPIO Configuration
+    PB10     ------> USART3_TX
+    PB11     ------> USART3_RX
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN USART3_MspInit 1 */
+
+  /* USER CODE END USART3_MspInit 1 */
+  }
 
 }
 
@@ -334,6 +368,24 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
 
   /* USER CODE END USART1_MspDeInit 1 */
   }
+  else if(huart->Instance==USART3)
+  {
+  /* USER CODE BEGIN USART3_MspDeInit 0 */
+
+  /* USER CODE END USART3_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_USART3_CLK_DISABLE();
+
+    /**USART3 GPIO Configuration
+    PB10     ------> USART3_TX
+    PB11     ------> USART3_RX
+    */
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_11);
+
+  /* USER CODE BEGIN USART3_MspDeInit 1 */
+
+  /* USER CODE END USART3_MspDeInit 1 */
+  }
 
 }