1 /* USER CODE BEGIN Header */ 2 /** 3 ****************************************************************************** 4 * @file : main.c 5 * @brief : Main program body 6 ****************************************************************************** 7 * @attention 8 * 9 * Copyright (c) 2024 STMicroelectronics. 10 * All rights reserved. 11 * 12 * This software is licensed under terms that can be found in the LICENSE file 13 * in the root directory of this software component. 14 * If no LICENSE file comes with this software, it is provided AS-IS. 15 * 16 ****************************************************************************** 17 */ 18 /* USER CODE END Header */ 19 /* Includes ------------------------------------------------------------------*/ 20 #include "main.h" 21 22 /* Private includes ----------------------------------------------------------*/ 23 /* USER CODE BEGIN Includes */ 24 #include "app.h" 25 /* USER CODE END Includes */ 26 27 /* Private typedef -----------------------------------------------------------*/ 28 /* USER CODE BEGIN PTD */ 29 30 /* USER CODE END PTD */ 31 32 /* Private define ------------------------------------------------------------*/ 33 /* USER CODE BEGIN PD */ 34 35 /* USER CODE END PD */ 36 37 /* Private macro -------------------------------------------------------------*/ 38 /* USER CODE BEGIN PM */ 39 40 /* USER CODE END PM */ 41 42 /* Private variables ---------------------------------------------------------*/ 43 TIM_HandleTypeDef htim3; 44 45 UART_HandleTypeDef huart2; 46 47 /* USER CODE BEGIN PV */ 48 49 /* USER CODE END PV */ 50 51 /* Private function prototypes -----------------------------------------------*/ 52 void SystemClock_Config(void); 53 static void MX_GPIO_Init(void); 54 static void MX_USART2_UART_Init(void); 55 static void MX_TIM3_Init(void); 56 /* USER CODE BEGIN PFP */ 57 58 /* USER CODE END PFP */ 59 60 /* Private user code ---------------------------------------------------------*/ 61 /* USER CODE BEGIN 0 */ 62 extern void initialise_monitor_handles(void); 63 /* USER CODE END 0 */ 64 65 /** 66 * @brief The application entry point. 67 * @retval int 68 */ 69 int main(void) 70 { 71 72 /* USER CODE BEGIN 1 */ 73 initialise_monitor_handles(); 74 /* USER CODE END 1 */ 75 76 /* MCU Configuration--------------------------------------------------------*/ 77 78 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ 79 HAL_Init(); 80 81 /* USER CODE BEGIN Init */ 82 83 /* USER CODE END Init */ 84 85 /* Configure the system clock */ 86 SystemClock_Config(); 87 88 /* USER CODE BEGIN SysInit */ 89 90 /* USER CODE END SysInit */ 91 92 /* Initialize all configured peripherals */ 93 MX_GPIO_Init(); 94 MX_USART2_UART_Init(); 95 MX_TIM3_Init(); 96 /* USER CODE BEGIN 2 */ 97 app_init(); 98 /* USER CODE END 2 */ 99 100 /* Infinite loop */ 101 /* USER CODE BEGIN WHILE */ 102 while (1) 103 { 104 /* USER CODE END WHILE */ 105 106 /* USER CODE BEGIN 3 */ 107 app_update(); 108 } 109 /* USER CODE END 3 */ 110 } 111 112 /** 113 * @brief System Clock Configuration 114 * @retval None 115 */ 116 void SystemClock_Config(void) 117 { 118 RCC_OscInitTypeDef RCC_OscInitStruct = {0}; 119 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; 120 121 /** Initializes the RCC Oscillators according to the specified parameters 122 * in the RCC_OscInitTypeDef structure. 123 */ 124 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; 125 RCC_OscInitStruct.HSIState = RCC_HSI_ON; 126 RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; 127 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; 128 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2; 129 RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16; 130 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) 131 { 132 Error_Handler(); 133 } 134 135 /** Initializes the CPU, AHB and APB buses clocks 136 */ 137 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK 138 |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; 139 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; 140 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; 141 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; 142 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; 143 144 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) 145 { 146 Error_Handler(); 147 } 148 } 149 150 /** 151 * @brief TIM3 Initialization Function 152 * @param None 153 * @retval None 154 */ 155 static void MX_TIM3_Init(void) 156 { 157 158 /* USER CODE BEGIN TIM3_Init 0 */ 159 160 /* USER CODE END TIM3_Init 0 */ 161 162 TIM_MasterConfigTypeDef sMasterConfig = {0}; 163 TIM_OC_InitTypeDef sConfigOC = {0}; 164 165 /* USER CODE BEGIN TIM3_Init 1 */ 166 167 /* USER CODE END TIM3_Init 1 */ 168 htim3.Instance = TIM3; 169 htim3.Init.Prescaler = 0; 170 htim3.Init.CounterMode = TIM_COUNTERMODE_UP; 171 htim3.Init.Period = 65535; 172 htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; 173 htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; 174 if (HAL_TIM_PWM_Init(&htim3) != HAL_OK) 175 { 176 Error_Handler(); 177 } 178 sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; 179 sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; 180 if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) 181 { 182 Error_Handler(); 183 } 184 sConfigOC.OCMode = TIM_OCMODE_PWM1; 185 sConfigOC.Pulse = 0; 186 sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; 187 sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; 188 if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) 189 { 190 Error_Handler(); 191 } 192 /* USER CODE BEGIN TIM3_Init 2 */ 193 194 /* USER CODE END TIM3_Init 2 */ 195 HAL_TIM_MspPostInit(&htim3); 196 197 } 198 199 /** 200 * @brief USART2 Initialization Function 201 * @param None 202 * @retval None 203 */ 204 static void MX_USART2_UART_Init(void) 205 { 206 207 /* USER CODE BEGIN USART2_Init 0 */ 208 209 /* USER CODE END USART2_Init 0 */ 210 211 /* USER CODE BEGIN USART2_Init 1 */ 212 213 /* USER CODE END USART2_Init 1 */ 214 huart2.Instance = USART2; 215 huart2.Init.BaudRate = 115200; 216 huart2.Init.WordLength = UART_WORDLENGTH_8B; 217 huart2.Init.StopBits = UART_STOPBITS_1; 218 huart2.Init.Parity = UART_PARITY_NONE; 219 huart2.Init.Mode = UART_MODE_TX_RX; 220 huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; 221 huart2.Init.OverSampling = UART_OVERSAMPLING_16; 222 if (HAL_UART_Init(&huart2) != HAL_OK) 223 { 224 Error_Handler(); 225 } 226 /* USER CODE BEGIN USART2_Init 2 */ 227 228 /* USER CODE END USART2_Init 2 */ 229 230 } 231 232 /** 233 * @brief GPIO Initialization Function 234 * @param None 235 * @retval None 236 */ 237 static void MX_GPIO_Init(void) 238 { 239 GPIO_InitTypeDef GPIO_InitStruct = {0}; 240 /* USER CODE BEGIN MX_GPIO_Init_1 */ 241 /* USER CODE END MX_GPIO_Init_1 */ 242 243 /* GPIO Ports Clock Enable */ 244 __HAL_RCC_GPIOC_CLK_ENABLE(); 245 __HAL_RCC_GPIOD_CLK_ENABLE(); 246 __HAL_RCC_GPIOA_CLK_ENABLE(); 247 __HAL_RCC_GPIOB_CLK_ENABLE(); 248 249 /*Configure GPIO pin Output Level */ 250 HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET); 251 252 /*Configure GPIO pin : B1_Pin */ 253 GPIO_InitStruct.Pin = B1_Pin; 254 GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING; 255 GPIO_InitStruct.Pull = GPIO_NOPULL; 256 HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct); 257 258 /*Configure GPIO pin : LD2_Pin */ 259 GPIO_InitStruct.Pin = LD2_Pin; 260 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; 261 GPIO_InitStruct.Pull = GPIO_NOPULL; 262 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; 263 HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct); 264 265 /* EXTI interrupt init*/ 266 HAL_NVIC_SetPriority(EXTI15_10_IRQn, 0, 0); 267 HAL_NVIC_EnableIRQ(EXTI15_10_IRQn); 268 269 /* USER CODE BEGIN MX_GPIO_Init_2 */ 270 /* USER CODE END MX_GPIO_Init_2 */ 271 } 272 273 /* USER CODE BEGIN 4 */ 274 275 /* USER CODE END 4 */ 276 277 /** 278 * @brief This function is executed in case of error occurrence. 279 * @retval None 280 */ 281 void Error_Handler(void) 282 { 283 /* USER CODE BEGIN Error_Handler_Debug */ 284 /* User can add his own implementation to report the HAL error return state */ 285 __disable_irq(); 286 while (1) 287 { 288 } 289 /* USER CODE END Error_Handler_Debug */ 290 } 291 #ifdef USE_FULL_ASSERT 292 /** 293 * @brief Reports the name of the source file and the source line number 294 * where the assert_param error has occurred. 295 * @param file: pointer to the source file name 296 * @param line: assert_param error line source number 297 * @retval None 298 */ 299 void assert_failed(uint8_t *file, uint32_t line) 300 { 301 /* USER CODE BEGIN 6 */ 302 /* User can add his own implementation to report the file name and line number, 303 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ 304 /* USER CODE END 6 */ 305 } 306 #endif /* USE_FULL_ASSERT */
