1、收获如何使用软件STM32CudeMX配置代码
注意：自己要敲的代码，直接看102行，其他是软件配置的。！！！
1 /** 2 ****************************************************************************** 3 * File Name : main.c 4 * Description : Main program body 5 ****************************************************************************** 6 ** This notice applies to any and all portions of this file 7 * that are not between comment pairs USER CODE BEGIN and 8 * USER CODE END. Other portions of this file, whether 9 * inserted by the user or by software development tools 10 * are owned by their respective copyright owners. 11 * 12 * COPYRIGHT(c) 2017 STMicroelectronics 13 * 14 * Redistribution and use in source and binary forms, with or without modification, 15 * are permitted provided that the following conditions are met: 16 * 1. Redistributions of source code must retain the above copyright notice, 17 * this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright notice, 19 * this list of conditions and the following disclaimer in the documentation 20 * and/or other materials provided with the distribution. 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 * 36 ****************************************************************************** 37 */ 38 /* Includes ------------------------------------------------------------------*/ 39 #include "main.h" 40 #include "stm32f1xx_hal.h" 41 42 /* USER CODE BEGIN Includes */ 43 44 /* USER CODE END Includes */ 45 46 /* Private variables ---------------------------------------------------------*/ 47 48 /* USER CODE BEGIN PV */ 49 /* Private variables ---------------------------------------------------------*/ 50 51 /* USER CODE END PV */ 52 53 /* Private function prototypes -----------------------------------------------*/ 54 void SystemClock_Config(void); 55 static void MX_GPIO_Init(void); 56 57 /* USER CODE BEGIN PFP */ 58 /* Private function prototypes -----------------------------------------------*/ 59 60 /* USER CODE END PFP */ 61 62 /* USER CODE BEGIN 0 */ 63 64 /* USER CODE END 0 */ 65 66 int main(void) 67 { 68 69 /* USER CODE BEGIN 1 */ 70 71 /* USER CODE END 1 */ 72 73 /* MCU Configuration----------------------------------------------------------*/ 74 75 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ 76 HAL_Init(); 77 78 /* USER CODE BEGIN Init */ 79 80 /* USER CODE END Init */ 81 82 /* Configure the system clock */ 83 SystemClock_Config(); 84 85 /* USER CODE BEGIN SysInit */ 86 87 /* USER CODE END SysInit */ 88 89 /* Initialize all configured peripherals */ 90 MX_GPIO_Init(); 91 92 /* USER CODE BEGIN 2 */ 93 94 /* USER CODE END 2 */ 95 96 /* Infinite loop */ 97 /* USER CODE BEGIN WHILE */ 98 99 /*下面一行代码需要自己敲的*/ 100 101 //意思是给PB5端口低电平，记住这个函数哦 102 HAL_GPIO_WritePin(GPIOB,GPIO_PIN_5,GPIO_PIN_RESET); 103 104 105 106 while (1) 107 { 108 /* USER CODE END WHILE */ 109 110 /* USER CODE BEGIN 3 */ 111 112 } 113 /* USER CODE END 3 */ 114 115 } 116 117 /** System Clock Configuration 118 */ 119 void SystemClock_Config(void) 120 { 121 122 RCC_OscInitTypeDef RCC_OscInitStruct; 123 RCC_ClkInitTypeDef RCC_ClkInitStruct; 124 125 /**Initializes the CPU, AHB and APB busses clocks 126 */ 127 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; 128 RCC_OscInitStruct.HSIState = RCC_HSI_ON; 129 RCC_OscInitStruct.HSICalibrationValue = 16; 130 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; 131 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) 132 { 133 _Error_Handler(__FILE__, __LINE__); 134 } 135 136 /**Initializes the CPU, AHB and APB busses clocks 137 */ 138 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK 139 |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; 140 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; 141 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; 142 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; 143 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; 144 145 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) 146 { 147 _Error_Handler(__FILE__, __LINE__); 148 } 149 150 /**Configure the Systick interrupt time 151 */ 152 HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); 153 154 /**Configure the Systick 155 */ 156 HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK); 157 158 /* SysTick_IRQn interrupt configuration */ 159 HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0); 160 } 161 162 /** Configure pins as 163 * Analog 164 * Input 165 * Output 166 * EVENT_OUT 167 * EXTI 168 */ 169 static void MX_GPIO_Init(void) 170 { 171 172 GPIO_InitTypeDef GPIO_InitStruct; 173 174 /* GPIO Ports Clock Enable */ 175 __HAL_RCC_GPIOB_CLK_ENABLE(); 176 177 /*Configure GPIO pin Output Level */ 178 HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5, GPIO_PIN_RESET); 179 180 /*Configure GPIO pin : PB5 */ 181 GPIO_InitStruct.Pin = GPIO_PIN_5; 182 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; 183 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; 184 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); 185 186 } 187 188 /* USER CODE BEGIN 4 */ 189 190 /* USER CODE END 4 */ 191 192 /** 193 * @brief This function is executed in case of error occurrence. 194 * @param None 195 * @retval None 196 */ 197 void _Error_Handler(char * file, int line) 198 { 199 /* USER CODE BEGIN Error_Handler_Debug */ 200 /* User can add his own implementation to report the HAL error return state */ 201 while(1) 202 { 203 } 204 /* USER CODE END Error_Handler_Debug */ 205 } 206 207 #ifdef USE_FULL_ASSERT 208 209 /** 210 * @brief Reports the name of the source file and the source line number 211 * where the assert_param error has occurred. 212 * @param file: pointer to the source file name 213 * @param line: assert_param error line source number 214 * @retval None 215 */ 216 void assert_failed(uint8_t* file, uint32_t line) 217 { 218 /* USER CODE BEGIN 6 */ 219 /* User can add his own implementation to report the file name and line number, 220 ex: printf("Wrong parameters value: file %s on line %d ", file, line) */ 221 /* USER CODE END 6 */ 222 223 } 224 225 #endif 226 227 /** 228 * @} 229 */ 230 231 /** 232 * @} 233 */ 234 235 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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