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Diffstat (limited to 'Core/Src/system_stm32h7xx.c')
| -rwxr-xr-x | Core/Src/system_stm32h7xx.c | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/Core/Src/system_stm32h7xx.c b/Core/Src/system_stm32h7xx.c new file mode 100755 index 0000000..9c59735 --- /dev/null +++ b/Core/Src/system_stm32h7xx.c @@ -0,0 +1,557 @@ +/** + ****************************************************************************** + * @file system_stm32h7xx.c + * @author MCD Application Team + * @brief CMSIS Cortex-Mx Device Peripheral Access Layer System Source File. + * + * This file provides two functions and one global variable to be called from + * user application: + * - ExitRun0Mode(): Specifies the Power Supply source. This function is + * called at startup just after reset and before the call + * of SystemInit(). This call is made inside + * the "startup_stm32h7xx.s" file. + * + * - SystemInit(): This function is called at startup just after reset and + * before branch to main program. This call is made inside + * the "startup_stm32h7xx.s" file. + * + * - SystemCoreClock variable: Contains the core clock, it can be used + * by the user application to setup the SysTick + * timer or configure other parameters. + * + * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must + * be called whenever the core clock is changed + * during program execution. + * + * + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32h7xx_system + * @{ + */ + +/** @addtogroup STM32H7xx_System_Private_Includes + * @{ + */ + +#include "stm32h7xx.h" +#include <math.h> + +#if !defined (HSE_VALUE) +#define HSE_VALUE ((uint32_t)25000000) /*!< Value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ + +#if !defined (CSI_VALUE) + #define CSI_VALUE ((uint32_t)4000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* CSI_VALUE */ + +#if !defined (HSI_VALUE) + #define HSI_VALUE ((uint32_t)64000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* HSI_VALUE */ + + +/** + * @} + */ + +/** @addtogroup STM32H7xx_System_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32H7xx_System_Private_Defines + * @{ + */ + +/************************* Miscellaneous Configuration ************************/ +/*!< Uncomment the following line if you need to use initialized data in D2 domain SRAM (AHB SRAM) */ +/* #define DATA_IN_D2_SRAM */ + +/* Note: Following vector table addresses must be defined in line with linker + configuration. */ +/*!< Uncomment the following line if you need to relocate the vector table + anywhere in FLASH BANK1 or AXI SRAM, else the vector table is kept at the automatic + remap of boot address selected */ +/* #define USER_VECT_TAB_ADDRESS */ + +#if defined(USER_VECT_TAB_ADDRESS) +#if defined(DUAL_CORE) && defined(CORE_CM4) +/*!< Uncomment the following line if you need to relocate your vector Table + in D2 AXI SRAM else user remap will be done in FLASH BANK2. */ +/* #define VECT_TAB_SRAM */ +#if defined(VECT_TAB_SRAM) +#define VECT_TAB_BASE_ADDRESS D2_AXISRAM_BASE /*!< Vector Table base address field. + This value must be a multiple of 0x400. */ +#else +#define VECT_TAB_BASE_ADDRESS FLASH_BANK2_BASE /*!< Vector Table base address field. + This value must be a multiple of 0x400. */ +#endif /* VECT_TAB_SRAM */ +#else +/*!< Uncomment the following line if you need to relocate your vector Table + in D1 AXI SRAM else user remap will be done in FLASH BANK1. */ +/* #define VECT_TAB_SRAM */ +#if defined(VECT_TAB_SRAM) +#define VECT_TAB_BASE_ADDRESS D1_AXISRAM_BASE /*!< Vector Table base address field. + This value must be a multiple of 0x400. */ +#else +#define VECT_TAB_BASE_ADDRESS FLASH_BANK1_BASE /*!< Vector Table base address field. + This value must be a multiple of 0x400. */ +#endif /* VECT_TAB_SRAM */ +#endif /* DUAL_CORE && CORE_CM4 */ + +#if !defined(VECT_TAB_OFFSET) +#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field. + This value must be a multiple of 0x400. */ +#endif /* VECT_TAB_OFFSET */ + +#endif /* USER_VECT_TAB_ADDRESS */ +/******************************************************************************/ + +/** + * @} + */ + +/** @addtogroup STM32H7xx_System_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32H7xx_System_Private_Variables + * @{ + */ + /* This variable is updated in three ways: + 1) by calling CMSIS function SystemCoreClockUpdate() + 2) by calling HAL API function HAL_RCC_GetHCLKFreq() + 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency + Note: If you use this function to configure the system clock; then there + is no need to call the 2 first functions listed above, since SystemCoreClock + variable is updated automatically. + */ + uint32_t SystemCoreClock = 64000000; + uint32_t SystemD2Clock = 64000000; + const uint8_t D1CorePrescTable[16] = {0, 0, 0, 0, 1, 2, 3, 4, 1, 2, 3, 4, 6, 7, 8, 9}; + +/** + * @} + */ + +/** @addtogroup STM32H7xx_System_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32H7xx_System_Private_Functions + * @{ + */ + +/** + * @brief Setup the microcontroller system + * Initialize the FPU setting and vector table location + * configuration. + * @param None + * @retval None + */ +void SystemInit (void) +{ +//#if defined (DATA_IN_D2_SRAM) +// __IO uint32_t tmpreg; +//#endif /* DATA_IN_D2_SRAM */ +// +// /* FPU settings ------------------------------------------------------------*/ +// #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) +// SCB->CPACR |= ((3UL << (10*2))|(3UL << (11*2))); /* set CP10 and CP11 Full Access */ +// #endif +// /* Reset the RCC clock configuration to the default reset state ------------*/ +// +// /* Increasing the CPU frequency */ +// if(FLASH_LATENCY_DEFAULT > (READ_BIT((FLASH->ACR), FLASH_ACR_LATENCY))) +// { +// /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */ +// MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, (uint32_t)(FLASH_LATENCY_DEFAULT)); +// } +// +// /* Set HSION bit */ +// RCC->CR |= RCC_CR_HSION; +// +// /* Reset CFGR register */ +// RCC->CFGR = 0x00000000; +// +// /* Reset HSEON, HSECSSON, CSION, HSI48ON, CSIKERON, PLL1ON, PLL2ON and PLL3ON bits */ +// RCC->CR &= 0xEAF6ED7FU; +// +// /* Decreasing the number of wait states because of lower CPU frequency */ +// if(FLASH_LATENCY_DEFAULT < (READ_BIT((FLASH->ACR), FLASH_ACR_LATENCY))) +// { +// /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */ +// MODIFY_REG(FLASH->ACR, FLASH_ACR_LATENCY, (uint32_t)(FLASH_LATENCY_DEFAULT)); +// } +// +//#if defined(D3_SRAM_BASE) +// /* Reset D1CFGR register */ +// RCC->D1CFGR = 0x00000000; +// +// /* Reset D2CFGR register */ +// RCC->D2CFGR = 0x00000000; +// +// /* Reset D3CFGR register */ +// RCC->D3CFGR = 0x00000000; +//#else +// /* Reset CDCFGR1 register */ +// RCC->CDCFGR1 = 0x00000000; +// +// /* Reset CDCFGR2 register */ +// RCC->CDCFGR2 = 0x00000000; +// +// /* Reset SRDCFGR register */ +// RCC->SRDCFGR = 0x00000000; +//#endif +// /* Reset PLLCKSELR register */ +// RCC->PLLCKSELR = 0x02020200; +// +// /* Reset PLLCFGR register */ +// RCC->PLLCFGR = 0x01FF0000; +// /* Reset PLL1DIVR register */ +// RCC->PLL1DIVR = 0x01010280; +// /* Reset PLL1FRACR register */ +// RCC->PLL1FRACR = 0x00000000; +// +// /* Reset PLL2DIVR register */ +// RCC->PLL2DIVR = 0x01010280; +// +// /* Reset PLL2FRACR register */ +// +// RCC->PLL2FRACR = 0x00000000; +// /* Reset PLL3DIVR register */ +// RCC->PLL3DIVR = 0x01010280; +// +// /* Reset PLL3FRACR register */ +// RCC->PLL3FRACR = 0x00000000; +// +// /* Reset HSEBYP bit */ +// RCC->CR &= 0xFFFBFFFFU; +// +// /* Disable all interrupts */ +// RCC->CIER = 0x00000000; +// +//#if (STM32H7_DEV_ID == 0x450UL) +// /* dual core CM7 or single core line */ +// if((DBGMCU->IDCODE & 0xFFFF0000U) < 0x20000000U) +// { +// /* if stm32h7 revY*/ +// /* Change the switch matrix read issuing capability to 1 for the AXI SRAM target (Target 7) */ +// *((__IO uint32_t*)0x51008108) = 0x000000001U; +// } +//#endif /* STM32H7_DEV_ID */ +// +//#if defined(DATA_IN_D2_SRAM) +// /* in case of initialized data in D2 SRAM (AHB SRAM), enable the D2 SRAM clock (AHB SRAM clock) */ +//#if defined(RCC_AHB2ENR_D2SRAM3EN) +// RCC->AHB2ENR |= (RCC_AHB2ENR_D2SRAM1EN | RCC_AHB2ENR_D2SRAM2EN | RCC_AHB2ENR_D2SRAM3EN); +//#elif defined(RCC_AHB2ENR_D2SRAM2EN) +// RCC->AHB2ENR |= (RCC_AHB2ENR_D2SRAM1EN | RCC_AHB2ENR_D2SRAM2EN); +//#else +// RCC->AHB2ENR |= (RCC_AHB2ENR_AHBSRAM1EN | RCC_AHB2ENR_AHBSRAM2EN); +//#endif /* RCC_AHB2ENR_D2SRAM3EN */ +// +// tmpreg = RCC->AHB2ENR; +// (void) tmpreg; +//#endif /* DATA_IN_D2_SRAM */ +// +//#if defined(DUAL_CORE) && defined(CORE_CM4) +// /* Configure the Vector Table location add offset address for cortex-M4 ------------------*/ +//#if defined(USER_VECT_TAB_ADDRESS) +// SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal D2 AXI-RAM or in Internal FLASH */ +//#endif /* USER_VECT_TAB_ADDRESS */ +// +//#else +// if(READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN) == 0U) +// { +// /* Enable the FMC interface clock */ +// SET_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); +// +// /* +// * Disable the FMC bank1 (enabled after reset). +// * This, prevents CPU speculation access on this bank which blocks the use of FMC during +// * 24us. During this time the others FMC master (such as LTDC) cannot use it! +// */ +// FMC_Bank1_R->BTCR[0] = 0x000030D2; +// +// /* Disable the FMC interface clock */ +// CLEAR_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); +// } +// +// /* Configure the Vector Table location -------------------------------------*/ +//#if defined(USER_VECT_TAB_ADDRESS) +// SCB->VTOR = VECT_TAB_BASE_ADDRESS | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal D1 AXI-RAM or in Internal FLASH */ +//#endif /* USER_VECT_TAB_ADDRESS */ +// +//#endif /*DUAL_CORE && CORE_CM4*/ + + RCC->CFGR = 0x00000000; + SCB->VTOR = 0x90000000; +} + +/** + * @brief Update SystemCoreClock variable according to Clock Register Values. + * The SystemCoreClock variable contains the core clock , it can + * be used by the user application to setup the SysTick timer or configure + * other parameters. + * + * @note Each time the core clock changes, this function must be called + * to update SystemCoreClock variable value. Otherwise, any configuration + * based on this variable will be incorrect. + * + * @note - The system frequency computed by this function is not the real + * frequency in the chip. It is calculated based on the predefined + * constant and the selected clock source: + * + * - If SYSCLK source is CSI, SystemCoreClock will contain the CSI_VALUE(*) + * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(**) + * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(***) + * - If SYSCLK source is PLL, SystemCoreClock will contain the CSI_VALUE(*), + * HSI_VALUE(**) or HSE_VALUE(***) multiplied/divided by the PLL factors. + * + * (*) CSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value + * 4 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * (**) HSI_VALUE is a constant defined in stm32h7xx_hal.h file (default value + * 64 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * + * (***)HSE_VALUE is a constant defined in stm32h7xx_hal.h file (default value + * 25 MHz), user has to ensure that HSE_VALUE is same as the real + * frequency of the crystal used. Otherwise, this function may + * have wrong result. + * + * - The result of this function could be not correct when using fractional + * value for HSE crystal. + * @param None + * @retval None + */ +void SystemCoreClockUpdate (void) +{ + uint32_t pllp, pllsource, pllm, pllfracen, hsivalue, tmp; + uint32_t common_system_clock; + float_t fracn1, pllvco; + + + /* Get SYSCLK source -------------------------------------------------------*/ + + switch (RCC->CFGR & RCC_CFGR_SWS) + { + case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */ + common_system_clock = (uint32_t) (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)); + break; + + case RCC_CFGR_SWS_CSI: /* CSI used as system clock source */ + common_system_clock = CSI_VALUE; + break; + + case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */ + common_system_clock = HSE_VALUE; + break; + + case RCC_CFGR_SWS_PLL1: /* PLL1 used as system clock source */ + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE or CSI_VALUE/ PLLM) * PLLN + SYSCLK = PLL_VCO / PLLR + */ + pllsource = (RCC->PLLCKSELR & RCC_PLLCKSELR_PLLSRC); + pllm = ((RCC->PLLCKSELR & RCC_PLLCKSELR_DIVM1)>> 4) ; + pllfracen = ((RCC->PLLCFGR & RCC_PLLCFGR_PLL1FRACEN)>>RCC_PLLCFGR_PLL1FRACEN_Pos); + fracn1 = (float_t)(uint32_t)(pllfracen* ((RCC->PLL1FRACR & RCC_PLL1FRACR_FRACN1)>> 3)); + + if (pllm != 0U) + { + switch (pllsource) + { + case RCC_PLLCKSELR_PLLSRC_HSI: /* HSI used as PLL clock source */ + + hsivalue = (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)) ; + pllvco = ( (float_t)hsivalue / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 ); + + break; + + case RCC_PLLCKSELR_PLLSRC_CSI: /* CSI used as PLL clock source */ + pllvco = ((float_t)CSI_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 ); + break; + + case RCC_PLLCKSELR_PLLSRC_HSE: /* HSE used as PLL clock source */ + pllvco = ((float_t)HSE_VALUE / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 ); + break; + + default: + hsivalue = (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)) ; + pllvco = ((float_t)hsivalue / (float_t)pllm) * ((float_t)(uint32_t)(RCC->PLL1DIVR & RCC_PLL1DIVR_N1) + (fracn1/(float_t)0x2000) +(float_t)1 ); + break; + } + pllp = (((RCC->PLL1DIVR & RCC_PLL1DIVR_P1) >>9) + 1U ) ; + common_system_clock = (uint32_t)(float_t)(pllvco/(float_t)pllp); + } + else + { + common_system_clock = 0U; + } + break; + + default: + common_system_clock = (uint32_t) (HSI_VALUE >> ((RCC->CR & RCC_CR_HSIDIV)>> 3)); + break; + } + + /* Compute SystemClock frequency --------------------------------------------------*/ +#if defined (RCC_D1CFGR_D1CPRE) + tmp = D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_D1CPRE)>> RCC_D1CFGR_D1CPRE_Pos]; + + /* common_system_clock frequency : CM7 CPU frequency */ + common_system_clock >>= tmp; + + /* SystemD2Clock frequency : CM4 CPU, AXI and AHBs Clock frequency */ + SystemD2Clock = (common_system_clock >> ((D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_HPRE)>> RCC_D1CFGR_HPRE_Pos]) & 0x1FU)); + +#else + tmp = D1CorePrescTable[(RCC->CDCFGR1 & RCC_CDCFGR1_CDCPRE)>> RCC_CDCFGR1_CDCPRE_Pos]; + + /* common_system_clock frequency : CM7 CPU frequency */ + common_system_clock >>= tmp; + + /* SystemD2Clock frequency : AXI and AHBs Clock frequency */ + SystemD2Clock = (common_system_clock >> ((D1CorePrescTable[(RCC->CDCFGR1 & RCC_CDCFGR1_HPRE)>> RCC_CDCFGR1_HPRE_Pos]) & 0x1FU)); + +#endif + +#if defined(DUAL_CORE) && defined(CORE_CM4) + SystemCoreClock = SystemD2Clock; +#else + SystemCoreClock = common_system_clock; +#endif /* DUAL_CORE && CORE_CM4 */ +} + +/** + * @brief Exit Run* mode and Configure the system Power Supply + * + * @note This function exits the Run* mode and configures the system power supply + * according to the definition to be used at compilation preprocessing level. + * The application shall set one of the following configuration option: + * - PWR_LDO_SUPPLY + * - PWR_DIRECT_SMPS_SUPPLY + * - PWR_EXTERNAL_SOURCE_SUPPLY + * - PWR_SMPS_1V8_SUPPLIES_LDO + * - PWR_SMPS_2V5_SUPPLIES_LDO + * - PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO + * - PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO + * - PWR_SMPS_1V8_SUPPLIES_EXT + * - PWR_SMPS_2V5_SUPPLIES_EXT + * + * @note The function modifies the PWR->CR3 register to enable or disable specific + * power supply modes and waits until the voltage level flag is set, indicating + * that the power supply configuration is stable. + * + * @param None + * @retval None + */ +void ExitRun0Mode(void) +{ +#if defined(USE_PWR_LDO_SUPPLY) + #if defined(SMPS) + /* Exit Run* mode by disabling SMPS and enabling LDO */ + PWR->CR3 = (PWR->CR3 & ~PWR_CR3_SMPSEN) | PWR_CR3_LDOEN; + #else + /* Enable LDO mode */ + PWR->CR3 |= PWR_CR3_LDOEN; + #endif /* SMPS */ + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_EXTERNAL_SOURCE_SUPPLY) + #if defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 = (PWR->CR3 & ~(PWR_CR3_SMPSEN | PWR_CR3_LDOEN)) | PWR_CR3_BYPASS; + #else + PWR->CR3 = (PWR->CR3 & ~(PWR_CR3_LDOEN)) | PWR_CR3_BYPASS; + #endif /* SMPS */ + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_DIRECT_SMPS_SUPPLY) && defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 &= ~(PWR_CR3_LDOEN); + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_SMPS_1V8_SUPPLIES_LDO) && defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 |= PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEN | PWR_CR3_LDOEN; + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_SMPS_2V5_SUPPLIES_LDO) && defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 |= PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEN | PWR_CR3_LDOEN; + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_SMPS_1V8_SUPPLIES_EXT_AND_LDO) && defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 |= PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_LDOEN; + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_SMPS_2V5_SUPPLIES_EXT_AND_LDO) && defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 |= PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_LDOEN; + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_SMPS_1V8_SUPPLIES_EXT) && defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 = (PWR->CR3 & ~(PWR_CR3_LDOEN)) | PWR_CR3_SMPSLEVEL_0 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_BYPASS; + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#elif defined(USE_PWR_SMPS_2V5_SUPPLIES_EXT) && defined(SMPS) + /* Exit Run* mode */ + PWR->CR3 = (PWR->CR3 & ~(PWR_CR3_LDOEN)) | PWR_CR3_SMPSLEVEL_1 | PWR_CR3_SMPSEXTHP | PWR_CR3_SMPSEN | PWR_CR3_BYPASS; + /* Wait till voltage level flag is set */ + while ((PWR->CSR1 & PWR_CSR1_ACTVOSRDY) == 0U) + {} +#else + /* No system power supply configuration is selected at exit Run* mode */ +#endif /* USE_PWR_LDO_SUPPLY */ +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ |