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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /* USER CODE BEGIN Header */ |
| 2 | /** |
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| 3 | ****************************************************************************** |
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| 4 | * @file : main.c |
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| 5 | * @brief : Main program body |
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| 6 | ****************************************************************************** |
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| 7 | * @attention |
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| 8 | * |
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| 9 | * <h2><center>© Copyright (c) 2020 STMicroelectronics. |
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| 10 | * All rights reserved.</center></h2> |
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| 11 | * |
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| 12 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 13 | * the "License"; You may not use this file except in compliance with the |
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| 14 | * License. You may obtain a copy of the License at: |
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| 15 | * opensource.org/licenses/BSD-3-Clause |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 19 | /* USER CODE END Header */ |
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| 20 | /* Includes ------------------------------------------------------------------*/ |
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| 21 | #include "main.h" |
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| 22 | #include "usb_device.h" |
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| 23 | |||
| 24 | /* Private includes ----------------------------------------------------------*/ |
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| 25 | /* USER CODE BEGIN Includes */ |
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| 26 | #include "libSerial/serial.h" |
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| 27 | /* USER CODE END Includes */ |
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| 28 | |||
| 29 | /* Private typedef -----------------------------------------------------------*/ |
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| 30 | /* USER CODE BEGIN PTD */ |
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| 31 | |||
| 32 | /* USER CODE END PTD */ |
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| 33 | |||
| 34 | /* Private define ------------------------------------------------------------*/ |
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| 35 | /* USER CODE BEGIN PD */ |
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| 36 | /* USER CODE END PD */ |
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| 37 | |||
| 38 | /* Private macro -------------------------------------------------------------*/ |
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| 39 | /* USER CODE BEGIN PM */ |
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| 40 | |||
| 41 | /* USER CODE END PM */ |
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| 42 | |||
| 43 | /* Private variables ---------------------------------------------------------*/ |
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| 44 | UART_HandleTypeDef huart1; |
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| 45 | UART_HandleTypeDef huart2; |
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| 46 | |||
| 47 | /* USER CODE BEGIN PV */ |
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| 48 | usart_ctl uc1; |
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| 49 | /* USER CODE END PV */ |
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| 50 | |||
| 51 | /* Private function prototypes -----------------------------------------------*/ |
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| 52 | void |
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| 53 | SystemClock_Config (void); |
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| 54 | static void |
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| 55 | MX_GPIO_Init (void); |
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| 56 | static void |
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| 57 | MX_USART1_UART_Init (void); |
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| 58 | static void |
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| 59 | MX_USART2_UART_Init (void); |
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| 60 | /* USER CODE BEGIN PFP */ |
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| 61 | |||
| 62 | /* USER CODE END PFP */ |
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| 63 | |||
| 64 | /* Private user code ---------------------------------------------------------*/ |
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| 65 | /* USER CODE BEGIN 0 */ |
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| 66 | |||
| 67 | /* USER CODE END 0 */ |
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| 68 | |||
| 69 | /** |
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| 70 | * @brief The application entry point. |
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| 71 | * @retval int |
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| 72 | */ |
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| 73 | int |
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| 74 | main (void) |
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| 75 | { |
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| 76 | /* USER CODE BEGIN 1 */ |
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| 77 | |||
| 78 | /* USER CODE END 1 */ |
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| 79 | |||
| 80 | /* MCU Configuration--------------------------------------------------------*/ |
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| 81 | |||
| 82 | /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ |
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| 83 | HAL_Init (); |
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| 84 | |||
| 85 | /* USER CODE BEGIN Init */ |
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| 86 | |||
| 87 | /* USER CODE END Init */ |
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| 88 | |||
| 89 | /* Configure the system clock */ |
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| 90 | SystemClock_Config (); |
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| 91 | |||
| 92 | /* USER CODE BEGIN SysInit */ |
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| 93 | |||
| 94 | /* USER CODE END SysInit */ |
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| 95 | |||
| 96 | /* Initialize all configured peripherals */ |
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| 97 | MX_GPIO_Init (); |
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| 98 | |||
| 99 | MX_USART1_UART_Init (); |
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| 100 | MX_USART2_UART_Init (); |
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| 101 | MX_USB_DEVICE_Init (); |
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| 102 | /* USER CODE BEGIN 2 */ |
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| 103 | HAL_GPIO_WritePin ( |
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| 104 | USART1_TXEN_GPIO_Port, |
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| 105 | USART1_TXEN_Pin, GPIO_PIN_RESET); |
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| 106 | |||
| 107 | HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_RESET); |
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| 108 | |||
| 109 | HAL_Delay (1000); |
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| 110 | HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_SET); |
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| 111 | |||
| 3 | mjames | 112 | init_usart_ctl (&uc1, &huart1); |
| 2 | mjames | 113 | |
| 114 | HAL_NVIC_EnableIRQ (USART1_IRQn); |
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| 115 | |||
| 116 | /* USER CODE END 2 */ |
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| 117 | |||
| 118 | /* Infinite loop */ |
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| 119 | /* USER CODE BEGIN WHILE */ |
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| 120 | uint8_t cnt = '0'; |
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| 121 | uint32_t tim_end = HAL_GetTick (); |
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| 122 | while (1) |
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| 123 | { |
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| 124 | uint16_t chars = CDC_Poll_UART (); // poll current uart |
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| 125 | |||
| 126 | if (chars) |
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| 127 | tim_end = HAL_GetTick () + 50; |
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| 128 | |||
| 129 | HAL_GPIO_WritePin ( |
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| 130 | GreenLED_GPIO_Port, GreenLED_Pin, |
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| 131 | HAL_GetTick () > tim_end ? GPIO_PIN_SET : GPIO_PIN_RESET); |
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| 132 | |||
| 133 | HAL_Delay (10); |
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| 134 | |||
| 135 | /* USER CODE END WHILE */ |
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| 136 | |||
| 137 | /* USER CODE BEGIN 3 */ |
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| 138 | } |
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| 139 | /* USER CODE END 3 */ |
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| 140 | } |
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| 141 | |||
| 142 | /** |
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| 143 | * @brief System Clock Configuration |
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| 144 | * @retval None |
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| 145 | */ |
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| 146 | void |
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| 147 | SystemClock_Config (void) |
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| 148 | { |
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| 149 | RCC_OscInitTypeDef RCC_OscInitStruct = |
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| 150 | { 0 }; |
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| 151 | RCC_ClkInitTypeDef RCC_ClkInitStruct = |
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| 152 | { 0 }; |
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| 153 | RCC_PeriphCLKInitTypeDef PeriphClkInit = |
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| 154 | { 0 }; |
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| 155 | |||
| 156 | /** Initializes the RCC Oscillators according to the specified parameters |
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| 157 | * in the RCC_OscInitTypeDef structure. |
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| 158 | */ |
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| 159 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
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| 160 | RCC_OscInitStruct.HSEState = RCC_HSE_ON; |
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| 161 | RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; |
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| 162 | RCC_OscInitStruct.HSIState = RCC_HSI_ON; |
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| 163 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
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| 164 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
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| 165 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; |
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| 166 | if (HAL_RCC_OscConfig (&RCC_OscInitStruct) != HAL_OK) |
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| 167 | { |
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| 168 | Error_Handler (); |
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| 169 | } |
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| 170 | /** Initializes the CPU, AHB and APB buses clocks |
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| 171 | */ |
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| 172 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK |
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| 173 | | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2; |
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| 174 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
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| 175 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
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| 176 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; |
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| 177 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; |
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| 178 | |||
| 179 | if (HAL_RCC_ClockConfig (&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) |
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| 180 | { |
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| 181 | Error_Handler (); |
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| 182 | } |
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| 183 | PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB; |
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| 184 | PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5; |
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| 185 | if (HAL_RCCEx_PeriphCLKConfig (&PeriphClkInit) != HAL_OK) |
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| 186 | { |
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| 187 | Error_Handler (); |
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| 188 | } |
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| 189 | } |
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| 190 | |||
| 191 | /** |
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| 192 | * @brief USART1 Initialization Function |
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| 193 | * @param None |
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| 194 | * @retval None |
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| 195 | */ |
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| 196 | static void |
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| 197 | MX_USART1_UART_Init (void) |
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| 198 | { |
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| 199 | |||
| 200 | /* USER CODE BEGIN USART1_Init 0 */ |
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| 201 | |||
| 202 | /* USER CODE END USART1_Init 0 */ |
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| 203 | |||
| 204 | /* USER CODE BEGIN USART1_Init 1 */ |
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| 205 | |||
| 206 | /* USER CODE END USART1_Init 1 */ |
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| 207 | huart1.Instance = USART1; |
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| 208 | huart1.Init.BaudRate = 38400; |
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| 209 | huart1.Init.WordLength = UART_WORDLENGTH_8B; |
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| 210 | huart1.Init.StopBits = UART_STOPBITS_1; |
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| 211 | huart1.Init.Parity = UART_PARITY_NONE; |
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| 212 | huart1.Init.Mode = UART_MODE_TX_RX; |
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| 213 | huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
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| 214 | huart1.Init.OverSampling = UART_OVERSAMPLING_16; |
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| 215 | if (HAL_UART_Init (&huart1) != HAL_OK) |
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| 216 | { |
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| 217 | Error_Handler (); |
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| 218 | } |
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| 219 | /* USER CODE BEGIN USART1_Init 2 */ |
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| 220 | |||
| 221 | /* USER CODE END USART1_Init 2 */ |
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| 222 | |||
| 223 | } |
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| 224 | |||
| 225 | /** |
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| 226 | * @brief USART2 Initialization Function |
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| 227 | * @param None |
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| 228 | * @retval None |
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| 229 | */ |
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| 230 | static void |
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| 231 | MX_USART2_UART_Init (void) |
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| 232 | { |
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| 233 | |||
| 234 | /* USER CODE BEGIN USART2_Init 0 */ |
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| 235 | |||
| 236 | /* USER CODE END USART2_Init 0 */ |
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| 237 | |||
| 238 | /* USER CODE BEGIN USART2_Init 1 */ |
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| 239 | |||
| 240 | /* USER CODE END USART2_Init 1 */ |
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| 241 | huart2.Instance = USART2; |
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| 242 | huart2.Init.BaudRate = 9600; |
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| 243 | huart2.Init.WordLength = UART_WORDLENGTH_8B; |
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| 244 | huart2.Init.StopBits = UART_STOPBITS_1; |
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| 245 | huart2.Init.Parity = UART_PARITY_NONE; |
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| 246 | huart2.Init.Mode = UART_MODE_TX_RX; |
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| 247 | huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
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| 248 | huart2.Init.OverSampling = UART_OVERSAMPLING_16; |
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| 249 | if (HAL_UART_Init (&huart2) != HAL_OK) |
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| 250 | { |
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| 251 | Error_Handler (); |
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| 252 | } |
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| 253 | /* USER CODE BEGIN USART2_Init 2 */ |
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| 254 | |||
| 255 | /* USER CODE END USART2_Init 2 */ |
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| 256 | |||
| 257 | } |
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| 258 | |||
| 259 | /** |
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| 260 | * @brief GPIO Initialization Function |
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| 261 | * @param None |
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| 262 | * @retval None |
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| 263 | */ |
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| 264 | static void |
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| 265 | MX_GPIO_Init (void) |
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| 266 | { |
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| 267 | GPIO_InitTypeDef GPIO_InitStruct = |
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| 268 | { 0 }; |
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| 269 | |||
| 270 | /* GPIO Ports Clock Enable */ |
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| 271 | __HAL_RCC_GPIOC_CLK_ENABLE(); |
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| 272 | __HAL_RCC_GPIOD_CLK_ENABLE(); |
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| 273 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
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| 274 | __HAL_RCC_GPIOB_CLK_ENABLE(); |
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| 275 | |||
| 276 | /*Configure GPIO pin Output Level */ |
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| 277 | HAL_GPIO_WritePin (GreenLED_GPIO_Port, GreenLED_Pin, GPIO_PIN_RESET); |
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| 278 | |||
| 279 | /*Configure GPIO pin Output Level */ |
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| 280 | HAL_GPIO_WritePin (USART1_TXEN_GPIO_Port, USART1_TXEN_Pin, GPIO_PIN_RESET); |
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| 281 | |||
| 282 | /*Configure GPIO pin Output Level */ |
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| 283 | HAL_GPIO_WritePin (USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_RESET); |
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| 284 | |||
| 285 | /*Configure GPIO pin : GreenLED_Pin */ |
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| 286 | GPIO_InitStruct.Pin = GreenLED_Pin; |
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| 287 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 288 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 289 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 290 | HAL_GPIO_Init (GreenLED_GPIO_Port, &GPIO_InitStruct); |
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| 291 | |||
| 292 | /*Configure GPIO pin : USART1_TXEN_Pin */ |
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| 293 | GPIO_InitStruct.Pin = USART1_TXEN_Pin; |
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| 294 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 295 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 296 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 297 | HAL_GPIO_Init (USART1_TXEN_GPIO_Port, &GPIO_InitStruct); |
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| 298 | |||
| 299 | /*Configure GPIO pin : USB_PULLUP_Pin */ |
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| 300 | GPIO_InitStruct.Pin = USB_PULLUP_Pin; |
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| 301 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 302 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 303 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 304 | HAL_GPIO_Init (USB_PULLUP_GPIO_Port, &GPIO_InitStruct); |
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| 305 | |||
| 306 | } |
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| 307 | |||
| 308 | /* USER CODE BEGIN 4 */ |
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| 309 | |||
| 310 | /* USER CODE END 4 */ |
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| 311 | |||
| 312 | /** |
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| 313 | * @brief This function is executed in case of error occurrence. |
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| 314 | * @retval None |
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| 315 | */ |
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| 316 | void |
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| 317 | Error_Handler (void) |
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| 318 | { |
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| 319 | /* USER CODE BEGIN Error_Handler_Debug */ |
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| 320 | /* User can add his own implementation to report the HAL error return state */ |
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| 321 | |||
| 322 | /* USER CODE END Error_Handler_Debug */ |
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| 323 | } |
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| 324 | |||
| 325 | #ifdef USE_FULL_ASSERT |
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| 326 | /** |
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| 327 | * @brief Reports the name of the source file and the source line number |
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| 328 | * where the assert_param error has occurred. |
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| 329 | * @param file: pointer to the source file name |
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| 330 | * @param line: assert_param error line source number |
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| 331 | * @retval None |
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| 332 | */ |
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| 333 | void assert_failed(uint8_t *file, uint32_t line) |
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| 334 | { |
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| 335 | /* USER CODE BEGIN 6 */ |
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| 336 | /* User can add his own implementation to report the file name and line number, |
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| 337 | tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
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| 338 | /* USER CODE END 6 */ |
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| 339 | } |
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| 340 | #endif /* USE_FULL_ASSERT */ |
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| 341 | |||
| 342 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |