int/nucleo-f767-blinky/cube/nucleo-f767-blinky/Src/main.c

   1 /**
   2   ******************************************************************************
   3   * File Name          : main.c
   4   * Description        : Main program body
   5   ******************************************************************************
   6   *
   7   * COPYRIGHT(c) 2016 STMicroelectronics
   8   *
   9   * Redistribution and use in source and binary forms, with or without modification,
  10   * are permitted provided that the following conditions are met:
  11   *   1. Redistributions of source code must retain the above copyright notice,
  12   *      this list of conditions and the following disclaimer.
  13   *   2. Redistributions in binary form must reproduce the above copyright notice,
  14   *      this list of conditions and the following disclaimer in the documentation
  15   *      and/or other materials provided with the distribution.
  16   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  17   *      may be used to endorse or promote products derived from this software
  18   *      without specific prior written permission.
  19   *
  20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  27   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30   *
  31   ******************************************************************************
  32   */
  33 /* Includes ------------------------------------------------------------------*/
  34 #include "stm32f7xx_hal.h"
  35 #include "dma.h"
  36 #include "usart.h"
  37 #include "gpio.h"
  38
  39 /* USER CODE BEGIN Includes */
  40
  41 /* USER CODE END Includes */
  42
  43 /* Private variables ---------------------------------------------------------*/
  44
  45 /* USER CODE BEGIN PV */
  46 /* Private variables ---------------------------------------------------------*/
  47
  48 /* USER CODE END PV */
  49
  50 /* Private function prototypes -----------------------------------------------*/
  51 void SystemClock_Config(void);
  52 void Error_Handler(void);
  53
  54 /* USER CODE BEGIN PFP */
  55 /* Private function prototypes -----------------------------------------------*/
  56
  57 /* USER CODE END PFP */
  58
  59 /* USER CODE BEGIN 0 */
  60
  61 /* USER CODE END 0 */
  62
  63 int main(void)
  64 {
  65
  66   /* USER CODE BEGIN 1 */
  67
  68   /* USER CODE END 1 */
  69
  70   /* MCU Configuration----------------------------------------------------------*/
  71
  72   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  73   HAL_Init();
  74
  75   /* Configure the system clock */
  76   SystemClock_Config();
  77
  78   /* Initialize all configured peripherals */
  79   MX_GPIO_Init();
  80   MX_DMA_Init();
  81   MX_USART3_UART_Init();
  82
  83   /* USER CODE BEGIN 2 */
  84
  85   /* USER CODE END 2 */
  86
  87   /* Infinite loop */
  88   /* USER CODE BEGIN WHILE */
  89   while (1)
  90   {
  91   /* USER CODE END WHILE */
  92
  93   /* USER CODE BEGIN 3 */
  94
  95   }
  96   /* USER CODE END 3 */
  97
  98 }
  99
 100 /** System Clock Configuration
 101 */
 102 void SystemClock_Config(void)
 103 {
 104
 105   RCC_OscInitTypeDef RCC_OscInitStruct;
 106   RCC_ClkInitTypeDef RCC_ClkInitStruct;
 107   RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
 108
 109   __HAL_RCC_PWR_CLK_ENABLE();
 110
 111   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
 112
 113   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
 114   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
 115   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
 116   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
 117   RCC_OscInitStruct.PLL.PLLM = 4;
 118   RCC_OscInitStruct.PLL.PLLN = 200;
 119   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
 120   RCC_OscInitStruct.PLL.PLLQ = 2;
 121   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
 122   {
 123     Error_Handler();
 124   }
 125
 126   if (HAL_PWREx_EnableOverDrive() != HAL_OK)
 127   {
 128     Error_Handler();
 129   }
 130
 131   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
 132                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
 133   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
 134   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
 135   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
 136   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
 137   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_6) != HAL_OK)
 138   {
 139     Error_Handler();
 140   }
 141
 142   PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3;
 143   PeriphClkInitStruct.Usart3ClockSelection = RCC_USART3CLKSOURCE_PCLK1;
 144   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
 145   {
 146     Error_Handler();
 147   }
 148
 149   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
 150
 151   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
 152
 153   /* SysTick_IRQn interrupt configuration */
 154   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
 155 }
 156
 157 /* USER CODE BEGIN 4 */
 158
 159 /* USER CODE END 4 */
 160
 161 /**
 162   * @brief  This function is executed in case of error occurrence.
 163   * @param  None
 164   * @retval None
 165   */
 166 void Error_Handler(void)
 167 {
 168   /* USER CODE BEGIN Error_Handler */
 169   /* User can add his own implementation to report the HAL error return state */
 170   while(1)
 171   {
 172   }
 173   /* USER CODE END Error_Handler */
 174 }
 175
 176 #ifdef USE_FULL_ASSERT
 177
 178 /**
 179    * @brief Reports the name of the source file and the source line number
 180    * where the assert_param error has occurred.
 181    * @param file: pointer to the source file name
 182    * @param line: assert_param error line source number
 183    * @retval None
 184    */
 185 void assert_failed(uint8_t* file, uint32_t line)
 186 {
 187   /* USER CODE BEGIN 6 */
 188   /* User can add his own implementation to report the file name and line number,
 189     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
 190   /* USER CODE END 6 */
 191
 192 }
 193
 194 #endif
 195
 196 /**
 197   * @}
 198   */
 199
 200 /**
 201   * @}
 202 */
 203
 204 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/