282 lines
9.3 KiB
C
282 lines
9.3 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2009-01-05 Bernard first implementation
|
|
*/
|
|
|
|
#include <board.h>
|
|
|
|
void SystemClock_Config(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
|
|
|
|
/**Configure LSE Drive Capability
|
|
*/
|
|
HAL_PWR_EnableBkUpAccess();
|
|
__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
|
|
/**Initializes the CPU, AHB and APB busses clocks
|
|
*/
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_LSE
|
|
|RCC_OSCILLATORTYPE_MSI;
|
|
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
|
|
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
|
|
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
|
|
RCC_OscInitStruct.MSICalibrationValue = 0;
|
|
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
|
|
RCC_OscInitStruct.PLL.PLLM = 1;
|
|
RCC_OscInitStruct.PLL.PLLN = 40;
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/**Initializes the CPU, AHB and APB busses clocks
|
|
*/
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|
|
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_USART2
|
|
|RCC_PERIPHCLK_USART3|RCC_PERIPHCLK_LPUART1
|
|
|RCC_PERIPHCLK_SDMMC1|RCC_PERIPHCLK_ADC;
|
|
PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
|
|
PeriphClkInit.Usart3ClockSelection = RCC_USART3CLKSOURCE_PCLK1;
|
|
PeriphClkInit.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PCLK1;
|
|
PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLLSAI1;
|
|
PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
|
|
PeriphClkInit.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_PLLSAI1;
|
|
PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_MSI;
|
|
PeriphClkInit.PLLSAI1.PLLSAI1M = 1;
|
|
PeriphClkInit.PLLSAI1.PLLSAI1N = 16;
|
|
PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV2;
|
|
PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV2;
|
|
PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV2;
|
|
PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_48M2CLK|RCC_PLLSAI1_ADC1CLK;
|
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/**Configure the main internal regulator output voltage
|
|
*/
|
|
if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef RT_USING_PM
|
|
|
|
void SystemClock_MSI_ON(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
|
|
/* Initializes the CPU, AHB and APB busses clocks */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
|
|
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
RT_ASSERT(0);
|
|
}
|
|
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
void SystemClock_MSI_OFF(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
|
|
RCC_OscInitStruct.HSIState = RCC_MSI_OFF;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; /* No update on PLL */
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
void SystemClock_80M(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct;
|
|
|
|
/**Initializes the CPU, AHB and APB busses clocks */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLM = 1;
|
|
RCC_OscInitStruct.PLL.PLLN = 20;
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
|
|
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/**Initializes the CPU, AHB and APB busses clocks
|
|
*/
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
|
|
| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
void SystemClock_Config_fromSTOP(void)
|
|
{
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
uint32_t pFLatency = 0;
|
|
|
|
/* Get the Oscillators & PLL configuration according to the internal RCC registers */
|
|
HAL_RCC_GetOscConfig(&RCC_OscInitStruct);
|
|
|
|
/* Wake up on HSI, re-enable MSI and PLL with MSI as source */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
|
|
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
|
|
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
|
|
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/* Get the Clocks configuration according to the internal RCC registers */
|
|
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &pFLatency);
|
|
|
|
/* Select PLL as system clock source */
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, pFLatency) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
void SystemClock_24M(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct;
|
|
|
|
/** Initializes the CPU, AHB and APB busses clocks */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLM = 1;
|
|
RCC_OscInitStruct.PLL.PLLN = 12;
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
|
|
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV4;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/** Initializes the CPU, AHB and APB busses clocks */
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
|
|
| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
void SystemClock_2M(void)
|
|
{
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
|
|
/* MSI is enabled after System reset, update MSI to 2Mhz (RCC_MSIRANGE_5) */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
|
|
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
|
|
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_5;
|
|
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
/* Initialization Error */
|
|
Error_Handler();
|
|
}
|
|
|
|
/* Select MSI as system clock source and configure the HCLK, PCLK1 and PCLK2
|
|
clocks dividers */
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
|
|
{
|
|
/* Initialization Error */
|
|
Error_Handler();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Configures system clock after wake-up from STOP: enable HSI, PLL
|
|
* and select PLL as system clock source.
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
void SystemClock_ReConfig(uint8_t mode)
|
|
{
|
|
SystemClock_MSI_ON();
|
|
|
|
switch (mode)
|
|
{
|
|
case PM_RUN_MODE_HIGH_SPEED:
|
|
case PM_RUN_MODE_NORMAL_SPEED:
|
|
SystemClock_80M();
|
|
break;
|
|
case PM_RUN_MODE_MEDIUM_SPEED:
|
|
SystemClock_24M();
|
|
break;
|
|
case PM_RUN_MODE_LOW_SPEED:
|
|
SystemClock_2M();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// SystemClock_MSI_OFF();
|
|
}
|
|
|
|
#endif
|