2024-12-27 09:11:09 +07:00
|
|
|
|
|
|
|
|
/* metadata:
|
|
|
|
|
name: STM32 F303 Discovery
|
|
|
|
|
url: https://www.st.com/en/evaluation-tools/stm32f3discovery.html
|
|
|
|
|
*/
|
|
|
|
|
|
2024-04-23 12:04:08 +07:00
|
|
|
#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
|
