62 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			62 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #ifndef BOARD_H
 | ||
|  | #define BOARD_H
 | ||
|  | 
 | ||
|  | #define LED_PORT              GPIOE
 | ||
|  | #define LED_PIN               GPIO_PIN_9
 | ||
|  | #define LED_STATE_ON          1
 | ||
|  | 
 | ||
|  | #define BUTTON_PORT           GPIOA
 | ||
|  | #define BUTTON_PIN            GPIO_PIN_0
 | ||
|  | #define BUTTON_STATE_ACTIVE   1
 | ||
|  | 
 | ||
|  | 
 | ||
|  | /**
 | ||
|  |   * @brief  System Clock Configuration | ||
|  |   *         The system Clock is configured as follow : | ||
|  |   *            System Clock source            = PLL (HSE) | ||
|  |   *            SYSCLK(Hz)                     = 72000000 | ||
|  |   *            HCLK(Hz)                       = 72000000 | ||
|  |   *            AHB Prescaler                  = 1 | ||
|  |   *            APB1 Prescaler                 = 2 | ||
|  |   *            APB2 Prescaler                 = 1 | ||
|  |   *            HSE Frequency(Hz)              = 8000000 | ||
|  |   *            HSE PREDIV                     = 1 | ||
|  |   *            PLLMUL                         = RCC_PLL_MUL9 (9) | ||
|  |   *            Flash Latency(WS)              = 2 | ||
|  |   * @param  None | ||
|  |   * @retval None | ||
|  |   */ | ||
|  | static inline void SystemClock_Config(void) { | ||
|  |   RCC_ClkInitTypeDef RCC_ClkInitStruct; | ||
|  |   RCC_OscInitTypeDef RCC_OscInitStruct; | ||
|  |   RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit; | ||
|  | 
 | ||
|  |   /* Enable HSE Oscillator and activate PLL with HSE as source */ | ||
|  |   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; | ||
|  |   RCC_OscInitStruct.HSEState = RCC_HSE_ON; | ||
|  |   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; | ||
|  |   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; | ||
|  |   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; | ||
|  |   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; | ||
|  |   HAL_RCC_OscConfig(&RCC_OscInitStruct); | ||
|  | 
 | ||
|  |   /* Configures the USB clock */ | ||
|  |   HAL_RCCEx_GetPeriphCLKConfig(&RCC_PeriphClkInit); | ||
|  |   RCC_PeriphClkInit.USBClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5; | ||
|  |   HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit); | ||
|  | 
 | ||
|  |   /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
 | ||
|  |   clocks dividers */ | ||
|  |   RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); | ||
|  |   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; | ||
|  |   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; | ||
|  |   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; | ||
|  |   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; | ||
|  |   HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2); | ||
|  | 
 | ||
|  |   /* Enable Power Clock */ | ||
|  |   __HAL_RCC_PWR_CLK_ENABLE(); | ||
|  | } | ||
|  | 
 | ||
|  | #endif
 |