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tested with g0b1 nucleo

This commit is contained in:
hathach 2023-06-01 16:52:58 +07:00
parent 6b44d8fb55
commit 6280cba6e8
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GPG Key ID: F5D50C6D51D17CBA
1 changed files with 57 additions and 1 deletions
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58
hw/bsp/stm32g0/boards/stm32g0b1nucleo/board.h
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@ -58,6 +58,62 @@
//--------------------------------------------------------------------+
// RCC Clock
//--------------------------------------------------------------------+
#if 1
static inline void board_clock_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage */
HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure. */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
RCC_OscInitStruct.PLL.PLLN = 8;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/** Initializes the CPU, AHB and APB buses clocks */
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
// Configure CRS clock source
__HAL_RCC_CRS_CLK_ENABLE();
RCC_CRSInitTypeDef RCC_CRSInitStruct = {0};
RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB;
RCC_CRSInitStruct.Polarity = RCC_CRS_SYNC_POLARITY_RISING;
RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000,1000);
RCC_CRSInitStruct.ErrorLimitValue = 34;
RCC_CRSInitStruct.HSI48CalibrationValue = 32;
HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
/* Select HSI48 as USB clock source */
RCC_PeriphCLKInitTypeDef usb_clk = {0 };
usb_clk.PeriphClockSelection = RCC_PERIPHCLK_USB;
usb_clk.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
HAL_RCCEx_PeriphCLKConfig(&usb_clk);
// Enable HSI48
RCC_OscInitTypeDef osc_hsi48 = {0};
osc_hsi48.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
osc_hsi48.HSI48State = RCC_HSI48_ON;
HAL_RCC_OscConfig(&osc_hsi48);
}
#else
static inline void board_clock_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
@ -93,8 +149,8 @@ static inline void board_clock_init(void)
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);
}
#endif
#ifdef __cplusplus
}