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f303_h_p1
f303_h_p1 1
stm32f303_l_tika2/main.c@26:a047b389adfd, 2022-05-06 (annotated)
- Committer:
- caa45040
- Date:
- Fri May 06 14:22:30 2022 +0000
- Revision:
- 26:a047b389adfd
- Parent:
- 1:bad45e3ee8ec
i2c_slave_HC_SR04_010_BIN re
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
caa45040 | 1:bad45e3ee8ec | 1 | /* USER CODE BEGIN Header */ |
caa45040 | 1:bad45e3ee8ec | 2 | /** |
caa45040 | 1:bad45e3ee8ec | 3 | ****************************************************************************** |
caa45040 | 1:bad45e3ee8ec | 4 | * @file : main.c |
caa45040 | 1:bad45e3ee8ec | 5 | * @brief : Main program body |
caa45040 | 1:bad45e3ee8ec | 6 | ****************************************************************************** |
caa45040 | 1:bad45e3ee8ec | 7 | * @attention |
caa45040 | 1:bad45e3ee8ec | 8 | * |
caa45040 | 1:bad45e3ee8ec | 9 | * <h2><center>© Copyright (c) 2021 STMicroelectronics. |
caa45040 | 1:bad45e3ee8ec | 10 | * All rights reserved.</center></h2> |
caa45040 | 1:bad45e3ee8ec | 11 | * |
caa45040 | 1:bad45e3ee8ec | 12 | * This software component is licensed by ST under BSD 3-Clause license, |
caa45040 | 1:bad45e3ee8ec | 13 | * the "License"; You may not use this file except in compliance with the |
caa45040 | 1:bad45e3ee8ec | 14 | * License. You may obtain a copy of the License at: |
caa45040 | 1:bad45e3ee8ec | 15 | * opensource.org/licenses/BSD-3-Clause |
caa45040 | 1:bad45e3ee8ec | 16 | * |
caa45040 | 1:bad45e3ee8ec | 17 | ****************************************************************************** |
caa45040 | 1:bad45e3ee8ec | 18 | */ |
caa45040 | 1:bad45e3ee8ec | 19 | /* USER CODE END Header */ |
caa45040 | 1:bad45e3ee8ec | 20 | /* Includes ------------------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 21 | #include "main.h" |
caa45040 | 1:bad45e3ee8ec | 22 | |
caa45040 | 1:bad45e3ee8ec | 23 | /* Private includes ----------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 24 | /* USER CODE BEGIN Includes */ |
caa45040 | 1:bad45e3ee8ec | 25 | |
caa45040 | 1:bad45e3ee8ec | 26 | /* USER CODE END Includes */ |
caa45040 | 1:bad45e3ee8ec | 27 | |
caa45040 | 1:bad45e3ee8ec | 28 | /* Private typedef -----------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 29 | /* USER CODE BEGIN PTD */ |
caa45040 | 1:bad45e3ee8ec | 30 | |
caa45040 | 1:bad45e3ee8ec | 31 | /* USER CODE END PTD */ |
caa45040 | 1:bad45e3ee8ec | 32 | |
caa45040 | 1:bad45e3ee8ec | 33 | /* Private define ------------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 34 | /* USER CODE BEGIN PD */ |
caa45040 | 1:bad45e3ee8ec | 35 | /* USER CODE END PD */ |
caa45040 | 1:bad45e3ee8ec | 36 | |
caa45040 | 1:bad45e3ee8ec | 37 | /* Private macro -------------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 38 | /* USER CODE BEGIN PM */ |
caa45040 | 1:bad45e3ee8ec | 39 | |
caa45040 | 1:bad45e3ee8ec | 40 | /* USER CODE END PM */ |
caa45040 | 1:bad45e3ee8ec | 41 | |
caa45040 | 1:bad45e3ee8ec | 42 | /* Private variables ---------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 43 | UART_HandleTypeDef huart2; |
caa45040 | 1:bad45e3ee8ec | 44 | |
caa45040 | 1:bad45e3ee8ec | 45 | /* USER CODE BEGIN PV */ |
caa45040 | 1:bad45e3ee8ec | 46 | |
caa45040 | 1:bad45e3ee8ec | 47 | /* USER CODE END PV */ |
caa45040 | 1:bad45e3ee8ec | 48 | |
caa45040 | 1:bad45e3ee8ec | 49 | /* Private function prototypes -----------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 50 | void SystemClock_Config(void); |
caa45040 | 1:bad45e3ee8ec | 51 | static void MX_GPIO_Init(void); |
caa45040 | 1:bad45e3ee8ec | 52 | static void MX_USART2_UART_Init(void); |
caa45040 | 1:bad45e3ee8ec | 53 | /* USER CODE BEGIN PFP */ |
caa45040 | 1:bad45e3ee8ec | 54 | |
caa45040 | 1:bad45e3ee8ec | 55 | /* USER CODE END PFP */ |
caa45040 | 1:bad45e3ee8ec | 56 | |
caa45040 | 1:bad45e3ee8ec | 57 | /* Private user code ---------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 58 | /* USER CODE BEGIN 0 */ |
caa45040 | 1:bad45e3ee8ec | 59 | |
caa45040 | 1:bad45e3ee8ec | 60 | /* USER CODE END 0 */ |
caa45040 | 1:bad45e3ee8ec | 61 | |
caa45040 | 1:bad45e3ee8ec | 62 | /** |
caa45040 | 1:bad45e3ee8ec | 63 | * @brief The application entry point. |
caa45040 | 1:bad45e3ee8ec | 64 | * @retval int |
caa45040 | 1:bad45e3ee8ec | 65 | */ |
caa45040 | 1:bad45e3ee8ec | 66 | int main(void) |
caa45040 | 1:bad45e3ee8ec | 67 | { |
caa45040 | 1:bad45e3ee8ec | 68 | /* USER CODE BEGIN 1 */ |
caa45040 | 1:bad45e3ee8ec | 69 | |
caa45040 | 1:bad45e3ee8ec | 70 | /* USER CODE END 1 */ |
caa45040 | 1:bad45e3ee8ec | 71 | |
caa45040 | 1:bad45e3ee8ec | 72 | /* MCU Configuration--------------------------------------------------------*/ |
caa45040 | 1:bad45e3ee8ec | 73 | |
caa45040 | 1:bad45e3ee8ec | 74 | /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ |
caa45040 | 1:bad45e3ee8ec | 75 | HAL_Init(); |
caa45040 | 1:bad45e3ee8ec | 76 | |
caa45040 | 1:bad45e3ee8ec | 77 | /* USER CODE BEGIN Init */ |
caa45040 | 1:bad45e3ee8ec | 78 | |
caa45040 | 1:bad45e3ee8ec | 79 | /* USER CODE END Init */ |
caa45040 | 1:bad45e3ee8ec | 80 | |
caa45040 | 1:bad45e3ee8ec | 81 | /* Configure the system clock */ |
caa45040 | 1:bad45e3ee8ec | 82 | SystemClock_Config(); |
caa45040 | 1:bad45e3ee8ec | 83 | |
caa45040 | 1:bad45e3ee8ec | 84 | /* USER CODE BEGIN SysInit */ |
caa45040 | 1:bad45e3ee8ec | 85 | |
caa45040 | 1:bad45e3ee8ec | 86 | /* USER CODE END SysInit */ |
caa45040 | 1:bad45e3ee8ec | 87 | |
caa45040 | 1:bad45e3ee8ec | 88 | /* Initialize all configured peripherals */ |
caa45040 | 1:bad45e3ee8ec | 89 | MX_GPIO_Init(); |
caa45040 | 1:bad45e3ee8ec | 90 | MX_USART2_UART_Init(); |
caa45040 | 1:bad45e3ee8ec | 91 | /* USER CODE BEGIN 2 */ |
caa45040 | 1:bad45e3ee8ec | 92 | |
caa45040 | 1:bad45e3ee8ec | 93 | /* USER CODE END 2 */ |
caa45040 | 1:bad45e3ee8ec | 94 | |
caa45040 | 1:bad45e3ee8ec | 95 | /* Infinite loop */ |
caa45040 | 1:bad45e3ee8ec | 96 | /* USER CODE BEGIN WHILE */ |
caa45040 | 1:bad45e3ee8ec | 97 | while (1) |
caa45040 | 1:bad45e3ee8ec | 98 | { |
caa45040 | 1:bad45e3ee8ec | 99 | /* USER CODE END WHILE */ |
caa45040 | 1:bad45e3ee8ec | 100 | |
caa45040 | 1:bad45e3ee8ec | 101 | HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_SET); |
caa45040 | 1:bad45e3ee8ec | 102 | |
caa45040 | 1:bad45e3ee8ec | 103 | HAL_Delay(1000); |
caa45040 | 1:bad45e3ee8ec | 104 | |
caa45040 | 1:bad45e3ee8ec | 105 | HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_RESET); |
caa45040 | 1:bad45e3ee8ec | 106 | |
caa45040 | 1:bad45e3ee8ec | 107 | HAL_Delay(1000); |
caa45040 | 1:bad45e3ee8ec | 108 | |
caa45040 | 1:bad45e3ee8ec | 109 | /* USER CODE BEGIN 3 */ |
caa45040 | 1:bad45e3ee8ec | 110 | } |
caa45040 | 1:bad45e3ee8ec | 111 | /* USER CODE END 3 */ |
caa45040 | 1:bad45e3ee8ec | 112 | } |
caa45040 | 1:bad45e3ee8ec | 113 | |
caa45040 | 1:bad45e3ee8ec | 114 | /** |
caa45040 | 1:bad45e3ee8ec | 115 | * @brief System Clock Configuration |
caa45040 | 1:bad45e3ee8ec | 116 | * @retval None |
caa45040 | 1:bad45e3ee8ec | 117 | */ |
caa45040 | 1:bad45e3ee8ec | 118 | void SystemClock_Config(void) |
caa45040 | 1:bad45e3ee8ec | 119 | { |
caa45040 | 1:bad45e3ee8ec | 120 | RCC_OscInitTypeDef RCC_OscInitStruct = {0}; |
caa45040 | 1:bad45e3ee8ec | 121 | RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; |
caa45040 | 1:bad45e3ee8ec | 122 | |
caa45040 | 1:bad45e3ee8ec | 123 | /** Initializes the RCC Oscillators according to the specified parameters |
caa45040 | 1:bad45e3ee8ec | 124 | * in the RCC_OscInitTypeDef structure. |
caa45040 | 1:bad45e3ee8ec | 125 | */ |
caa45040 | 1:bad45e3ee8ec | 126 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; |
caa45040 | 1:bad45e3ee8ec | 127 | RCC_OscInitStruct.HSIState = RCC_HSI_ON; |
caa45040 | 1:bad45e3ee8ec | 128 | RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; |
caa45040 | 1:bad45e3ee8ec | 129 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; |
caa45040 | 1:bad45e3ee8ec | 130 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) |
caa45040 | 1:bad45e3ee8ec | 131 | { |
caa45040 | 1:bad45e3ee8ec | 132 | Error_Handler(); |
caa45040 | 1:bad45e3ee8ec | 133 | } |
caa45040 | 1:bad45e3ee8ec | 134 | /** Initializes the CPU, AHB and APB buses clocks |
caa45040 | 1:bad45e3ee8ec | 135 | */ |
caa45040 | 1:bad45e3ee8ec | 136 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |
caa45040 | 1:bad45e3ee8ec | 137 | |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; |
caa45040 | 1:bad45e3ee8ec | 138 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; |
caa45040 | 1:bad45e3ee8ec | 139 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
caa45040 | 1:bad45e3ee8ec | 140 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; |
caa45040 | 1:bad45e3ee8ec | 141 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; |
caa45040 | 1:bad45e3ee8ec | 142 | |
caa45040 | 1:bad45e3ee8ec | 143 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) |
caa45040 | 1:bad45e3ee8ec | 144 | { |
caa45040 | 1:bad45e3ee8ec | 145 | Error_Handler(); |
caa45040 | 1:bad45e3ee8ec | 146 | } |
caa45040 | 1:bad45e3ee8ec | 147 | } |
caa45040 | 1:bad45e3ee8ec | 148 | |
caa45040 | 1:bad45e3ee8ec | 149 | /** |
caa45040 | 1:bad45e3ee8ec | 150 | * @brief USART2 Initialization Function |
caa45040 | 1:bad45e3ee8ec | 151 | * @param None |
caa45040 | 1:bad45e3ee8ec | 152 | * @retval None |
caa45040 | 1:bad45e3ee8ec | 153 | */ |
caa45040 | 1:bad45e3ee8ec | 154 | static void MX_USART2_UART_Init(void) |
caa45040 | 1:bad45e3ee8ec | 155 | { |
caa45040 | 1:bad45e3ee8ec | 156 | |
caa45040 | 1:bad45e3ee8ec | 157 | /* USER CODE BEGIN USART2_Init 0 */ |
caa45040 | 1:bad45e3ee8ec | 158 | |
caa45040 | 1:bad45e3ee8ec | 159 | /* USER CODE END USART2_Init 0 */ |
caa45040 | 1:bad45e3ee8ec | 160 | |
caa45040 | 1:bad45e3ee8ec | 161 | /* USER CODE BEGIN USART2_Init 1 */ |
caa45040 | 1:bad45e3ee8ec | 162 | |
caa45040 | 1:bad45e3ee8ec | 163 | /* USER CODE END USART2_Init 1 */ |
caa45040 | 1:bad45e3ee8ec | 164 | huart2.Instance = USART2; |
caa45040 | 1:bad45e3ee8ec | 165 | huart2.Init.BaudRate = 38400; |
caa45040 | 1:bad45e3ee8ec | 166 | huart2.Init.WordLength = UART_WORDLENGTH_8B; |
caa45040 | 1:bad45e3ee8ec | 167 | huart2.Init.StopBits = UART_STOPBITS_1; |
caa45040 | 1:bad45e3ee8ec | 168 | huart2.Init.Parity = UART_PARITY_NONE; |
caa45040 | 1:bad45e3ee8ec | 169 | huart2.Init.Mode = UART_MODE_TX_RX; |
caa45040 | 1:bad45e3ee8ec | 170 | huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
caa45040 | 1:bad45e3ee8ec | 171 | huart2.Init.OverSampling = UART_OVERSAMPLING_16; |
caa45040 | 1:bad45e3ee8ec | 172 | huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; |
caa45040 | 1:bad45e3ee8ec | 173 | huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; |
caa45040 | 1:bad45e3ee8ec | 174 | if (HAL_UART_Init(&huart2) != HAL_OK) |
caa45040 | 1:bad45e3ee8ec | 175 | { |
caa45040 | 1:bad45e3ee8ec | 176 | Error_Handler(); |
caa45040 | 1:bad45e3ee8ec | 177 | } |
caa45040 | 1:bad45e3ee8ec | 178 | /* USER CODE BEGIN USART2_Init 2 */ |
caa45040 | 1:bad45e3ee8ec | 179 | |
caa45040 | 1:bad45e3ee8ec | 180 | /* USER CODE END USART2_Init 2 */ |
caa45040 | 1:bad45e3ee8ec | 181 | |
caa45040 | 1:bad45e3ee8ec | 182 | } |
caa45040 | 1:bad45e3ee8ec | 183 | |
caa45040 | 1:bad45e3ee8ec | 184 | /** |
caa45040 | 1:bad45e3ee8ec | 185 | * @brief GPIO Initialization Function |
caa45040 | 1:bad45e3ee8ec | 186 | * @param None |
caa45040 | 1:bad45e3ee8ec | 187 | * @retval None |
caa45040 | 1:bad45e3ee8ec | 188 | */ |
caa45040 | 1:bad45e3ee8ec | 189 | static void MX_GPIO_Init(void) |
caa45040 | 1:bad45e3ee8ec | 190 | { |
caa45040 | 1:bad45e3ee8ec | 191 | GPIO_InitTypeDef GPIO_InitStruct = {0}; |
caa45040 | 1:bad45e3ee8ec | 192 | |
caa45040 | 1:bad45e3ee8ec | 193 | /* GPIO Ports Clock Enable */ |
caa45040 | 1:bad45e3ee8ec | 194 | __HAL_RCC_GPIOF_CLK_ENABLE(); |
caa45040 | 1:bad45e3ee8ec | 195 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
caa45040 | 1:bad45e3ee8ec | 196 | __HAL_RCC_GPIOB_CLK_ENABLE(); |
caa45040 | 1:bad45e3ee8ec | 197 | |
caa45040 | 1:bad45e3ee8ec | 198 | /*Configure GPIO pin Output Level */ |
caa45040 | 1:bad45e3ee8ec | 199 | HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_RESET); |
caa45040 | 1:bad45e3ee8ec | 200 | |
caa45040 | 1:bad45e3ee8ec | 201 | /*Configure GPIO pin : PB3 */ |
caa45040 | 1:bad45e3ee8ec | 202 | GPIO_InitStruct.Pin = GPIO_PIN_3; |
caa45040 | 1:bad45e3ee8ec | 203 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
caa45040 | 1:bad45e3ee8ec | 204 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
caa45040 | 1:bad45e3ee8ec | 205 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
caa45040 | 1:bad45e3ee8ec | 206 | HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); |
caa45040 | 1:bad45e3ee8ec | 207 | |
caa45040 | 1:bad45e3ee8ec | 208 | } |
caa45040 | 1:bad45e3ee8ec | 209 | |
caa45040 | 1:bad45e3ee8ec | 210 | /* USER CODE BEGIN 4 */ |
caa45040 | 1:bad45e3ee8ec | 211 | |
caa45040 | 1:bad45e3ee8ec | 212 | /* USER CODE END 4 */ |
caa45040 | 1:bad45e3ee8ec | 213 | |
caa45040 | 1:bad45e3ee8ec | 214 | /** |
caa45040 | 1:bad45e3ee8ec | 215 | * @brief This function is executed in case of error occurrence. |
caa45040 | 1:bad45e3ee8ec | 216 | * @retval None |
caa45040 | 1:bad45e3ee8ec | 217 | */ |
caa45040 | 1:bad45e3ee8ec | 218 | void Error_Handler(void) |
caa45040 | 1:bad45e3ee8ec | 219 | { |
caa45040 | 1:bad45e3ee8ec | 220 | /* USER CODE BEGIN Error_Handler_Debug */ |
caa45040 | 1:bad45e3ee8ec | 221 | /* User can add his own implementation to report the HAL error return state */ |
caa45040 | 1:bad45e3ee8ec | 222 | __disable_irq(); |
caa45040 | 1:bad45e3ee8ec | 223 | while (1) |
caa45040 | 1:bad45e3ee8ec | 224 | { |
caa45040 | 1:bad45e3ee8ec | 225 | } |
caa45040 | 1:bad45e3ee8ec | 226 | /* USER CODE END Error_Handler_Debug */ |
caa45040 | 1:bad45e3ee8ec | 227 | } |
caa45040 | 1:bad45e3ee8ec | 228 | |
caa45040 | 1:bad45e3ee8ec | 229 | #ifdef USE_FULL_ASSERT |
caa45040 | 1:bad45e3ee8ec | 230 | /** |
caa45040 | 1:bad45e3ee8ec | 231 | * @brief Reports the name of the source file and the source line number |
caa45040 | 1:bad45e3ee8ec | 232 | * where the assert_param error has occurred. |
caa45040 | 1:bad45e3ee8ec | 233 | * @param file: pointer to the source file name |
caa45040 | 1:bad45e3ee8ec | 234 | * @param line: assert_param error line source number |
caa45040 | 1:bad45e3ee8ec | 235 | * @retval None |
caa45040 | 1:bad45e3ee8ec | 236 | */ |
caa45040 | 1:bad45e3ee8ec | 237 | void assert_failed(uint8_t *file, uint32_t line) |
caa45040 | 1:bad45e3ee8ec | 238 | { |
caa45040 | 1:bad45e3ee8ec | 239 | /* USER CODE BEGIN 6 */ |
caa45040 | 1:bad45e3ee8ec | 240 | /* User can add his own implementation to report the file name and line number, |
caa45040 | 1:bad45e3ee8ec | 241 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
caa45040 | 1:bad45e3ee8ec | 242 | /* USER CODE END 6 */ |
caa45040 | 1:bad45e3ee8ec | 243 | } |
caa45040 | 1:bad45e3ee8ec | 244 | #endif /* USE_FULL_ASSERT */ |
caa45040 | 1:bad45e3ee8ec | 245 | |
caa45040 | 1:bad45e3ee8ec | 246 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
caa45040 | 1:bad45e3ee8ec | 247 |