WebSVN – DashDisplay – Diff – /trunk/Src/main.c

   ******************************************************************************
   * File Name          : main.c
   * Description        : Main program body
   ******************************************************************************
+  *
-  * COPYRIGHT(c) 2016 STMicroelectronics
+  * COPYRIGHT(c) 2017 STMicroelectronics
+  *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *   1. Redistributions of source code must retain the above copyright notice,
   *      this list of conditions and the following disclaimer.
 /* Private variables ---------------------------------------------------------*/
 SPI_HandleTypeDef hspi1;
 UART_HandleTypeDef huart1;
 UART_HandleTypeDef huart2;
+UART_HandleTypeDef huart3;
 /* USER CODE BEGIN PV */
 /* Private variables ---------------------------------------------------------*/
 #define MAXRDG 32
 void Error_Handler(void);
 static void MX_GPIO_Init(void);
 static void MX_SPI1_Init(void);
 static void MX_USART2_UART_Init(void);
 static void MX_USART1_UART_Init(void);
+static void MX_USART3_UART_Init(void);
 /* USER CODE BEGIN PFP */
 /* Private function prototypes -----------------------------------------------*/
 /* USER CODE END PFP */
   /* USER CODE BEGIN 1 */
         GPIO_InitTypeDef GPIO_InitStruct;
-        __HAL_RCC_SPI1_CLK_ENABLE()
+        __HAL_RCC_SPI1_CLK_ENABLE();
-        ;
-        __HAL_RCC_USART1_CLK_ENABLE()
+        __HAL_RCC_USART1_CLK_ENABLE(); // PLX main port
-        ; // PLX main port
-        __HAL_RCC_USART2_CLK_ENABLE()
+        __HAL_RCC_USART2_CLK_ENABLE(); // debug port
-        ; // debug port
+        __HAL_RCC_USART3_CLK_ENABLE(); // Bluetooth port
   /* USER CODE END 1 */
   /* MCU Configuration----------------------------------------------------------*/
   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_SPI1_Init();
   MX_USART2_UART_Init();
   MX_USART1_UART_Init();
+  MX_USART3_UART_Init();
   /* USER CODE BEGIN 2 */
-        /* SPI bus AF pin selects */
-  /* Turn on USART2 IRQ  */
-        HAL_NVIC_SetPriority(USART2_IRQn, 4, 0);
-        HAL_NVIC_EnableIRQ(USART2_IRQn);
         /* Turn on USART1 IRQ */
         HAL_NVIC_SetPriority(USART1_IRQn, 2, 0);
         HAL_NVIC_EnableIRQ(USART1_IRQn);
+    /* Turn on USART2 IRQ  */
+        HAL_NVIC_SetPriority(USART2_IRQn, 4, 0);
+        HAL_NVIC_EnableIRQ(USART2_IRQn);
+        /* turn on USART3 IRQ */
+        HAL_NVIC_SetPriority(USART3_IRQn, 4, 0);
+        HAL_NVIC_EnableIRQ(USART3_IRQn);
         /* setup the USART control blocks */
         init_usart_ctl(&uc1, huart1.Instance);
         init_usart_ctl(&uc2, huart2.Instance);
+        init_usart_ctl(&uc3, huart3.Instance);
         EnableSerialRxInterrupt(&uc1);
         EnableSerialRxInterrupt(&uc2);
+        EnableSerialRxInterrupt(&uc3);
         /* Unlock the Flash to enable the flash control register access *************/
         HAL_FLASH_Unlock();
         //__disable_irq();
         EE_Init();
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
         uint32_t Ticks = HAL_GetTick() + 100;
+    uint32_t timeout = 0;  //
         // PLX decoder protocol
         char PLXPacket = 0;
         for (i = 0; i < MAXRDG; i++)
+        {
                 Max[i] = 0;
         while (1)
+        {
 // poll switches
                 HandleSwitches();
+// Handle the bluetooth pairing function by pressing both buttons.
+                if((push_pos[0] == 1) && (push_pos[1] == 1))
+                {
+                  HAL_GPIO_WritePin(BT_BUTTON_GPIO_Port, BT_BUTTON_Pin, GPIO_PIN_SET);
+                }
+                else
+                {
+                  HAL_GPIO_WritePin(BT_BUTTON_GPIO_Port, BT_BUTTON_Pin, GPIO_PIN_RESET);
+                }
                 uint16_t cc = SerialCharsReceived(&uc1);
                 int chr;
+                if(cc==0)
+                {
+                        timeout++;
+                        if (timeout % 1000 ==0)
+                        {
+                                PutCharSerial(&uc3,'+');
+                        }
+                        if(timeout > 60000)
+                        {
+                                // do turn off screen
+                        }
+                }
                 for (chr = 0; chr < cc; chr++)
+                {
                         char c = GetCharSerial(&uc1);
+                        timeout = 0;
+                        PutCharSerial(&uc3,c);
                         if (c == PLX_Start) // at any time if the start byte appears, reset the pointers
+                        {
                                 PLXPtr = 0;    // reset the pointer
                                 PLXPacket = 1;
+                        }
     Error_Handler();
+  }
+}
+/* USART3 init function */
+static void MX_USART3_UART_Init(void)
+{
+  huart3.Instance = USART3;
+  huart3.Init.BaudRate = 19200;
+  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;
+  if (HAL_UART_Init(&huart3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+}
 /** Configure pins as
         * Analog
         * Input
         * Output
         * EVENT_OUT
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(SPI_NSS1_GPIO_Port, SPI_NSS1_Pin, GPIO_PIN_SET);
   /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(SPI1CD_GPIO_Port, SPI1CD_Pin, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOA, SPI1CD_Pin|BT_BUTTON_Pin, GPIO_PIN_RESET);
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOC, SPI_RESET_Pin|USART3_INVERT_Pin|USB_PWR_Pin, GPIO_PIN_RESET);
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(SPI_NSS2_GPIO_Port, SPI_NSS2_Pin, GPIO_PIN_SET);
-  /*Configure GPIO pins : SPI_NSS1_Pin SPI1CD_Pin */
+  /*Configure GPIO pins : SPI_NSS1_Pin SPI1CD_Pin BT_BUTTON_Pin */
-  GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI1CD_Pin;
+  GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI1CD_Pin|BT_BUTTON_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
   /*Configure GPIO pins : SPI_RESET_Pin SPI_NSS2_Pin USART3_INVERT_Pin USB_PWR_Pin */

Subversion Repositories DashDisplay

(root)/trunk/Src/main.c – Rev 22 → 23