From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_utils.c | 1072 ++++++++++++++++++++ 1 file changed, 1072 insertions(+) create mode 100644 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_utils.c (limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_utils.c') diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_utils.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_utils.c new file mode 100644 index 0000000..f437bf7 --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_utils.c @@ -0,0 +1,1072 @@ +/** + ****************************************************************************** + * @file stm32h7xx_ll_utils.c + * @author MCD Application Team + * @brief UTILS LL module driver. + ****************************************************************************** + * @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. + * + ****************************************************************************** + */ +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_ll_utils.h" +#include "stm32h7xx_ll_rcc.h" +#include "stm32h7xx_ll_pwr.h" + +#ifdef USE_FULL_ASSERT + #include "stm32_assert.h" +#else + #define assert_param(expr) ((void)0U) +#endif /* USE_FULL_ASSERT */ + +/** @addtogroup STM32H7xx_LL_Driver + * @{ + */ + +/** @addtogroup UTILS_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/** @addtogroup UTILS_LL_Private_Constants + * @{ + */ +#if (STM32H7_DEV_ID == 0x450UL) +#define UTILS_MAX_FREQUENCY_SCALE1 480000000U /*!< Maximum frequency for system clock at power scale1, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE2 300000000U /*!< Maximum frequency for system clock at power scale2, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE3 200000000U /*!< Maximum frequency for system clock at power scale3, in Hz */ +#elif (STM32H7_DEV_ID == 0x480UL) +#define UTILS_MAX_FREQUENCY_SCALE0 280000000U /*!< Maximum frequency for system clock at power scale0, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE1 225000000U /*!< Maximum frequency for system clock at power scale1, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE2 160000000U /*!< Maximum frequency for system clock at power scale2, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE3 88000000U /*!< Maximum frequency for system clock at power scale3, in Hz */ +#elif (STM32H7_DEV_ID == 0x483UL) +#define UTILS_MAX_FREQUENCY_SCALE0 550000000U /*!< Maximum frequency for system clock at power scale0, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE1 200000000U /*!< Maximum frequency for system clock at power scale1, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE2 150000000U /*!< Maximum frequency for system clock at power scale2, in Hz */ +#define UTILS_MAX_FREQUENCY_SCALE3 85000000U /*!< Maximum frequency for system clock at power scale3, in Hz */ +#endif /*STM32H7_DEV_ID == 0x450UL*/ + +/* Defines used for PLL range */ +#define UTILS_PLLVCO_INPUT_MIN1 1000000U /*!< Frequency min for the low range PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MAX1 2000000U /*!< Frequency max for the wide range PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MIN2 2000000U /*!< Frequency min for the low range PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MAX2 4000000U /*!< Frequency max for the wide range PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MIN3 4000000U /*!< Frequency min for the low range PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MAX3 8000000U /*!< Frequency max for the wide range PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MIN4 8000000U /*!< Frequency min for the low range PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MAX4 16000000U /*!< Frequency max for the wide range PLLVCO input, in Hz */ + +#if (POWER_DOMAINS_NUMBER == 3U) +#define UTILS_PLLVCO_MEDIUM_OUTPUT_MIN 150000000U /*!< Frequency min for the medium range PLLVCO output, in Hz */ +#define UTILS_PLLVCO_WIDE_OUTPUT_MIN 192000000U /*!< Frequency min for the wide range PLLVCO output, in Hz */ +#define UTILS_PLLVCO_MEDIUM_OUTPUT_MAX 420000000U /*!< Frequency max for the medium range PLLVCO output, in Hz */ +#define UTILS_PLLVCO_WIDE_OUTPUT_MAX 836000000U /*!< Frequency max for the wide range PLLVCO output, in Hz */ +#else +#define UTILS_PLLVCO_MEDIUM_OUTPUT_MIN 150000000U /*!< Frequency min for the medium range PLLVCO output, in Hz */ +#define UTILS_PLLVCO_WIDE_OUTPUT_MIN 128000000U /*!< Frequency min for the wide range PLLVCO output, in Hz */ +#define UTILS_PLLVCO_MEDIUM_OUTPUT_MAX 420000000U /*!< Frequency max for the medium range PLLVCO output, in Hz */ +#define UTILS_PLLVCO_WIDE_OUTPUT_MAX 560000000U /*!< Frequency max for the wide range PLLVCO output, in Hz */ +#endif /*POWER_DOMAINS_NUMBER == 3U*/ + +/* Defines used for HSE range */ +#define UTILS_HSE_FREQUENCY_MIN 4000000U /*!< Frequency min for HSE frequency, in Hz */ +#define UTILS_HSE_FREQUENCY_MAX 48000000U /*!< Frequency max for HSE frequency, in Hz */ + +/* Defines used for FLASH latency according to HCLK Frequency */ +#if (STM32H7_DEV_ID == 0x480UL) +#define UTILS_SCALE0_LATENCY0_FREQ 44000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 0 */ +#define UTILS_SCALE0_LATENCY1_FREQ 88000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 0 */ +#define UTILS_SCALE0_LATENCY2_FREQ 132000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 0 */ +#define UTILS_SCALE0_LATENCY3_FREQ 176000000U /*!< HCLK frequency to set FLASH latency 3 in power scale 0 */ +#define UTILS_SCALE0_LATENCY4_FREQ 220000000U /*!< HCLK frequency to set FLASH latency 4 in power scale 0 */ +#define UTILS_SCALE0_LATENCY5_FREQ 264000000U /*!< HCLK frequency to set FLASH latency 5 in power scale 0 */ +#define UTILS_SCALE0_LATENCY6_FREQ 280000000U /*!< HCLK frequency to set FLASH latency 6 in power scale 0 */ + +#define UTILS_SCALE1_LATENCY0_FREQ 42000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 1 */ +#define UTILS_SCALE1_LATENCY1_FREQ 84000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 1 */ +#define UTILS_SCALE1_LATENCY2_FREQ 126000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 1 */ +#define UTILS_SCALE1_LATENCY3_FREQ 168000000U /*!< HCLK frequency to set FLASH latency 3 in power scale 1 */ +#define UTILS_SCALE1_LATENCY4_FREQ 210000000U /*!< HCLK frequency to set FLASH latency 4 in power scale 1 */ +#define UTILS_SCALE1_LATENCY5_FREQ 225000000U /*!< HCLK frequency to set FLASH latency 5 in power scale 1 */ + +#define UTILS_SCALE2_LATENCY0_FREQ 34000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 2 */ +#define UTILS_SCALE2_LATENCY1_FREQ 68000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 2 */ +#define UTILS_SCALE2_LATENCY2_FREQ 102000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 2 */ +#define UTILS_SCALE2_LATENCY3_FREQ 136000000U /*!< HCLK frequency to set FLASH latency 3 in power scale 2 */ +#define UTILS_SCALE2_LATENCY4_FREQ 160000000U /*!< HCLK frequency to set FLASH latency 4 in power scale 2 */ + +#define UTILS_SCALE3_LATENCY0_FREQ 22000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 3 */ +#define UTILS_SCALE3_LATENCY1_FREQ 44000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 3 */ +#define UTILS_SCALE3_LATENCY2_FREQ 66000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 3 */ +#define UTILS_SCALE3_LATENCY3_FREQ 88000000U /*!< HCLK frequency to set FLASH latency 3 in power scale 3 */ + +#elif (STM32H7_DEV_ID == 0x450UL) + +#define UTILS_SCALE1_LATENCY0_FREQ 70000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 1 */ +#define UTILS_SCALE1_LATENCY1_FREQ 140000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 1 */ +#define UTILS_SCALE1_LATENCY2_FREQ 240000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 1 */ + +#define UTILS_SCALE2_LATENCY0_FREQ 55000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 2 */ +#define UTILS_SCALE2_LATENCY1_FREQ 110000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 2 */ +#define UTILS_SCALE2_LATENCY2_FREQ 165000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 2 */ +#define UTILS_SCALE2_LATENCY3_FREQ 220000000U /*!< HCLK frequency to set FLASH latency 3 in power scale 2 */ + +#define UTILS_SCALE3_LATENCY0_FREQ 45000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 3 */ +#define UTILS_SCALE3_LATENCY1_FREQ 90000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 3 */ +#define UTILS_SCALE3_LATENCY2_FREQ 135000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 3 */ +#define UTILS_SCALE3_LATENCY3_FREQ 180000000U /*!< HCLK frequency to set FLASH latency 3 in power scale 3 */ +#define UTILS_SCALE3_LATENCY4_FREQ 225000000U /*!< HCLK frequency to set FLASH latency 4 in power scale 3 */ + +#elif (STM32H7_DEV_ID == 0x483UL) + +#define UTILS_SCALE0_LATENCY0_FREQ 70000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 0 */ +#define UTILS_SCALE0_LATENCY1_FREQ 140000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 0 */ +#define UTILS_SCALE0_LATENCY2_FREQ 210000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 0 */ +#define UTILS_SCALE0_LATENCY3_FREQ 275000000U /*!< HCLK frequency to set FLASH latency 3 in power scale 0 */ + +#define UTILS_SCALE1_LATENCY0_FREQ 67000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 1 */ +#define UTILS_SCALE1_LATENCY1_FREQ 133000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 1 */ +#define UTILS_SCALE1_LATENCY2_FREQ 200000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 1 */ + +#define UTILS_SCALE2_LATENCY0_FREQ 50000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 2 */ +#define UTILS_SCALE2_LATENCY1_FREQ 100000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 2 */ +#define UTILS_SCALE2_LATENCY2_FREQ 150000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 2 */ + +#define UTILS_SCALE3_LATENCY0_FREQ 35000000U /*!< HCLK frequency to set FLASH latency 0 in power scale 3 */ +#define UTILS_SCALE3_LATENCY1_FREQ 70000000U /*!< HCLK frequency to set FLASH latency 1 in power scale 3 */ +#define UTILS_SCALE3_LATENCY2_FREQ 85000000U /*!< HCLK frequency to set FLASH latency 2 in power scale 3 */ + +#endif /*STM32H7_DEV_ID == 0x480UL*/ +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup UTILS_LL_Private_Macros + * @{ + */ +#define IS_LL_UTILS_SYSCLK_DIV(__VALUE__) (((__VALUE__) == LL_RCC_SYSCLK_DIV_1) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_2) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_4) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_8) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_16) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_64) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_128) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_256) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_512)) + +#define IS_LL_UTILS_AHB_DIV(__VALUE__) (((__VALUE__) == LL_RCC_AHB_DIV_1) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_2) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_4) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_8) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_16) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_64) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_128) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_256) \ + || ((__VALUE__) == LL_RCC_AHB_DIV_512)) + +#define IS_LL_UTILS_APB1_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB1_DIV_1) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_2) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_4) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_8) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_16)) + +#define IS_LL_UTILS_APB2_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB2_DIV_1) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_2) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_4) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_8) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_16)) + +#define IS_LL_UTILS_APB3_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB3_DIV_1) \ + || ((__VALUE__) == LL_RCC_APB3_DIV_2) \ + || ((__VALUE__) == LL_RCC_APB3_DIV_4) \ + || ((__VALUE__) == LL_RCC_APB3_DIV_8) \ + || ((__VALUE__) == LL_RCC_APB3_DIV_16)) + +#define IS_LL_UTILS_APB4_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB4_DIV_1) \ + || ((__VALUE__) == LL_RCC_APB4_DIV_2) \ + || ((__VALUE__) == LL_RCC_APB4_DIV_4) \ + || ((__VALUE__) == LL_RCC_APB4_DIV_8) \ + || ((__VALUE__) == LL_RCC_APB4_DIV_16)) + +#define IS_LL_UTILS_PLLM_VALUE(__VALUE__) ((1U <= (__VALUE__)) && ((__VALUE__) <= 63U)) + +#if (POWER_DOMAINS_NUMBER == 3U) +#define IS_LL_UTILS_PLLN_VALUE(__VALUE__) ((4U <= (__VALUE__)) && ((__VALUE__) <= 512U)) +#else +#define IS_LL_UTILS_PLLN_VALUE(__VALUE__) ((8U <= (__VALUE__)) && ((__VALUE__) <= 420U)) +#endif /*POWER_DOMAINS_NUMBER == 3U*/ + +#define IS_LL_UTILS_PLLP_VALUE(__VALUE__) ((1U <= (__VALUE__)) && ((__VALUE__) <= 128U)) + +#define IS_LL_UTILS_FRACN_VALUE(__VALUE__) ((__VALUE__) <= 0x1FFFU) + +#define IS_LL_UTILS_PLLVCO_INPUT(__VALUE__, __RANGE__) ( \ +(((__RANGE__) == LL_RCC_PLLINPUTRANGE_1_2) && (UTILS_PLLVCO_INPUT_MIN1 <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_INPUT_MAX1)) || \ +(((__RANGE__) == LL_RCC_PLLINPUTRANGE_2_4) && (UTILS_PLLVCO_INPUT_MIN2 <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_INPUT_MAX2)) || \ +(((__RANGE__) == LL_RCC_PLLINPUTRANGE_4_8) && (UTILS_PLLVCO_INPUT_MIN3 <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_INPUT_MAX3)) || \ +(((__RANGE__) == LL_RCC_PLLINPUTRANGE_8_16) && (UTILS_PLLVCO_INPUT_MIN4 <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_INPUT_MAX4))) + +#define IS_LL_UTILS_PLLVCO_OUTPUT(__VALUE__, __RANGE__) ( \ +(((__RANGE__) == LL_RCC_PLLVCORANGE_MEDIUM) && (UTILS_PLLVCO_MEDIUM_OUTPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_MEDIUM_OUTPUT_MAX)) || \ +(((__RANGE__) == LL_RCC_PLLVCORANGE_WIDE) && (UTILS_PLLVCO_WIDE_OUTPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_WIDE_OUTPUT_MAX))) + +#define IS_LL_UTILS_CHECK_VCO_RANGES(__RANGEIN__, __RANGEOUT__) ( \ +(((__RANGEIN__) == LL_RCC_PLLINPUTRANGE_1_2) && ((__RANGEOUT__) == LL_RCC_PLLVCORANGE_MEDIUM)) || \ +(((__RANGEIN__) != LL_RCC_PLLINPUTRANGE_1_2) && ((__RANGEOUT__) == LL_RCC_PLLVCORANGE_WIDE))) + +#if (STM32H7_DEV_ID == 0x450UL) +#define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE1) : \ + (LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2) : \ + ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE3)) +#else +#define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE0) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE0) : \ + (LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE1) : \ + (LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2) : \ + ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE3)) +#endif /* STM32H7_DEV_ID == 0x450UL */ + +#define IS_LL_UTILS_HSE_BYPASS(__STATE__) (((__STATE__) == LL_UTILS_HSEBYPASS_ON) \ + || ((__STATE__) == LL_UTILS_HSEBYPASS_OFF)) + +#define IS_LL_UTILS_HSE_FREQUENCY(__FREQUENCY__) (((__FREQUENCY__) >= UTILS_HSE_FREQUENCY_MIN) && ((__FREQUENCY__) <= UTILS_HSE_FREQUENCY_MAX)) +/** + * @} + */ +/* Private function prototypes -----------------------------------------------*/ +/** @defgroup UTILS_LL_Private_Functions UTILS Private functions + * @{ + */ +static uint32_t UTILS_GetPLLOutputFrequency(uint32_t PLL_InputFrequency, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct); +static ErrorStatus UTILS_EnablePLLAndSwitchSystem(uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct); +static ErrorStatus UTILS_IsPLLsReady(void); +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup UTILS_LL_Exported_Functions + * @{ + */ + +/** @addtogroup UTILS_LL_EF_DELAY + * @{ + */ +#if defined (DUAL_CORE) +/** + * @brief This function configures the Cortex-M SysTick source to have 1ms time base. + * @note When a RTOS is used, it is recommended to avoid changing the Systick + * configuration by calling this function, for a delay use rather osDelay RTOS service. + * @param CPU_Frequency Core frequency in Hz + * @note CPU_Frequency can be calculated thanks to RCC helper macro or function + * @ref LL_RCC_GetSystemClocksFreq + * LL_RCC_GetSystemClocksFreq() is used to calculate the CM7 clock frequency + * and __LL_RCC_CALC_HCLK_FREQ is used to calculate the CM4 clock frequency. + * @retval None + */ +#else +/** + * @brief This function configures the Cortex-M SysTick source to have 1ms time base. + * @note When a RTOS is used, it is recommended to avoid changing the Systick + * configuration by calling this function, for a delay use rather osDelay RTOS service. + * @param CPU_Frequency Core frequency in Hz + * @note CPU_Frequency can be calculated thanks to RCC helper macro or function + * @ref LL_RCC_GetSystemClocksFreq + * @retval None + */ +#endif /* DUAL_CORE */ +void LL_Init1msTick(uint32_t CPU_Frequency) +{ + /* Use frequency provided in argument */ + LL_InitTick(CPU_Frequency, 1000U); +} + + +/** + * @brief This function provides accurate delay (in milliseconds) based + * on SysTick counter flag + * @note When a RTOS is used, it is recommended to avoid using blocking delay + * and use rather osDelay service. + * @note To respect 1ms timebase, user should call @ref LL_Init1msTick function which + * will configure Systick to 1ms + * @param Delay specifies the delay time length, in milliseconds. + * @retval None + */ +void LL_mDelay(uint32_t Delay) +{ + uint32_t count = Delay; + __IO uint32_t tmp = SysTick->CTRL; /* Clear the COUNTFLAG first */ + /* Add this code to indicate that local variable is not used */ + ((void)tmp); + + /* Add a period to guaranty minimum wait */ + if(count < LL_MAX_DELAY) + { + count++; + } + + while (count != 0U) + { + if((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) != 0U) + { + count--; + } + } +} + +/** + * @} + */ + +#if (STM32H7_DEV_ID == 0x450UL) +/** @addtogroup UTILS_EF_SYSTEM + * @brief System Configuration functions + * + @verbatim + =============================================================================== + ##### System Configuration functions ##### + =============================================================================== + [..] + System, AHB and APB buses clocks configuration + + (+) The maximum frequency of the SYSCLK is 480 MHz(*) and HCLK is 240 MHz. + (+) The maximum frequency of the PCLK1, PCLK2, PCLK3 and PCLK4 is 120 MHz. + @endverbatim + @internal + Depending on the device voltage range, the maximum frequency should be + adapted accordingly: + (++) +----------------------------------------------------------------------------+ + (++) | Wait states | HCLK clock frequency (MHz) | + (++) | |-----------------------------------------------------------| + (++) | (Latency) | voltage range 1 | voltage range 2 | voltage range 3 | + (++) | | 1.15V - 1.26V | 1.05V - 1.15V | 0.95V - 1.05V | + (++) |----------------|-------------------|-------------------|-------------------| + (++) |0WS(1CPU cycle) | 0 < HCLK <= 70 | 0 < HCLK <= 55 | 0 < HCLK <= 45 | + (++) |----------------|-------------------|-------------------|-------------------| + (++) |1WS(2CPU cycle) | 70 < HCLK <= 140 | 55 < HCLK <= 110 | 45 < HCLK <= 90 | + (++) |----------------|-------------------|-------------------|-------------------| + (++) |2WS(3CPU cycle) | 140 < HCLK <= 240 | 110 < HCLK <= 165 | 90 < HCLK <= 135 | + (++) |----------------|-------------------|-------------------|-------------------| + (++) |3WS(4CPU cycle) | -- | 165 < HCLK <= 220 | 135 < HCLK <= 180 | + (++) |----------------|-------------------|-------------------|-------------------| + (++) |4WS(5CPU cycle) | -- | -- | 180 < HCLK <= 225 | + (++) +----------------------------------------------------------------------------+ + + (*) : For stm32h74xxx and stm32h75xxx family lines and requires the board to be connected on LDO regulator not SMPS, 400MHZ otherwise. + @endinternal + * @{ + */ + +#elif (STM32H7_DEV_ID == 0x480UL) +/** @addtogroup UTILS_EF_SYSTEM + * @brief System Configuration functions + * + @verbatim + =============================================================================== + ##### System Configuration functions ##### + =============================================================================== + [..] + System, AHB and APB buses clocks configuration + + (+) The maximum frequency of the SYSCLK is 280 MHz and HCLK is 280 MHz. + (+) The maximum frequency of the PCLK1, PCLK2, PCLK3 and PCLK4 is 140 MHz. + @endverbatim + @internal + Depending on the device voltage range, the maximum frequency should be + adapted accordingly: + (++) +------------------------------------------------------------------------------------------------+ + (++) | Wait states | HCLK clock frequency (MHz) | + (++) | |-------------------------------------------------------------------------------| + (++) | (Latency) | voltage range 0 | voltage range 1 | voltage range 2 | voltage range 3 | + (++) | | 1.26V - 1.35V | 1.15V - 1.26V | 1.05V - 1.15V | 0.95V - 1.05V | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |0WS(1CPU cycle) | 0 < HCLK <= 44 | 0 < HCLK <= 42 | 0 < HCLK <= 34 | 0 < HCLK <= 22 | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |1WS(2CPU cycle) | 44 < HCLK <= 88 | 42 < HCLK <= 84 | 34 < HCLK <= 68 | 22 < HCLK <= 44 | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |2WS(3CPU cycle) | 88 < HCLK <= 132 | 84 < HCLK <= 126 | 68 < HCLK <= 102 | 44 < HCLK <= 66 | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |3WS(4CPU cycle) | 132 < HCLK <= 176 | 126 < HCLK <= 168 | 102 < HCLK <= 136 | 66 < HCLK <= 88 | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |4WS(5CPU cycle) | 176 < HCLK <= 220 | 168 < HCLK <= 210 | 136 < HCLK <= 160 | -- | + (++) +------------------------------------------------------------------------------------------------+ + (++) |5WS(6CPU cycle) | 220 < HCLK <= 264 | 210 < HCLK <= 225 | -- | -- | + (++) +------------------------------------------------------------------------------------------------+ + (++) |6WS(7CPU cycle) | 264 < HCLK <= 280 | -- | -- | -- | + (++) +------------------------------------------------------------------------------------------------+ + (++) |7WS(8CPU cycle) | -- | -- | -- | -- | + (++) +------------------------------------------------------------------------------------------------+ + + @endinternal + * @{ + */ + +#elif (STM32H7_DEV_ID == 0x483UL) +/** @addtogroup UTILS_EF_SYSTEM + * @brief System Configuration functions + * + @verbatim + =============================================================================== + ##### System Configuration functions ##### + =============================================================================== + [..] + System, AHB and APB buses clocks configuration + + (+) The maximum frequency of the SYSCLK is 550 MHz(*) and HCLK is 275 MHz. + (+) The maximum frequency of the PCLK1, PCLK2, PCLK3 and PCLK4 is 137.5 MHz. + @endverbatim + @internal + Depending on the device voltage range, the maximum frequency should be + adapted accordingly: + (++) +------------------------------------------------------------------------------------------------+ + (++) | Wait states | HCLK clock frequency (MHz) | + (++) | |-------------------------------------------------------------------------------| + (++) | (Latency) | voltage range 0 | voltage range 1 | voltage range 2 | voltage range 3 | + (++) | | 1.26V - 1.40V | 1.15V - 1.26V | 1.05V - 1.15V | 0.95V - 1.05V | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |0WS(1CPU cycle) | 0 < HCLK <= 70 | 0 < HCLK <= 67 | 0 < HCLK <= 50 | 0 < HCLK <= 35 | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |1WS(2CPU cycle) | 70 < HCLK <= 140 | 67 < HCLK <= 133 | 50 < HCLK <= 100 | 35 < HCLK <= 70 | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |2WS(3CPU cycle) | 140 < HCLK <= 210 | 133 < HCLK <= 200 | 100 < HCLK <= 150 | 70 < HCLK <= 85 | + (++) |----------------|-------------------|-------------------|-------------------|-------------------| + (++) |3WS(4CPU cycle) | 210 < HCLK <= 275 | -- | -- | -- | + (++) +----------------|-------------------|-------------------|-------------------|-------------------| + + (*) : For stm32h72xxx and stm32h73xxx family lines and requires to enable the CPU_FREQ_BOOST flash option byte, 520MHZ otherwise. + @endinternal + * @{ + */ +#endif /* STM32H7_DEV_ID == 0x450UL */ + +#if defined (DUAL_CORE) +/** + * @brief This function sets directly SystemCoreClock CMSIS variable. + * @note Variable can be calculated also through SystemCoreClockUpdate function. + * @param CPU_Frequency Core frequency in Hz + * @note CPU_Frequency can be calculated thanks to RCC helper macro or function + * @ref LL_RCC_GetSystemClocksFreq + * LL_RCC_GetSystemClocksFreq() is used to calculate the CM7 clock frequency + * and __LL_RCC_CALC_HCLK_FREQ is used to calculate the CM4 clock frequency. + * @retval None + */ +#else +/** + * @brief This function sets directly SystemCoreClock CMSIS variable. + * @note Variable can be calculated also through SystemCoreClockUpdate function. + * @param CPU_Frequency Core frequency in Hz + * @note CPU_Frequency can be calculated thanks to RCC helper macro or function + * @ref LL_RCC_GetSystemClocksFreq + * @retval None + */ +#endif /* DUAL_CORE */ +void LL_SetSystemCoreClock(uint32_t CPU_Frequency) +{ + /* HCLK clock frequency */ + SystemCoreClock = CPU_Frequency; +} + +/** + * @brief This function configures system clock at maximum frequency with HSI as clock source of the PLL + * @note The application need to ensure that PLL is disabled. + * @note Function is based on the following formula: + * - PLL output frequency = (((HSI frequency / PLLM) * PLLN) / PLLP) + * - PLLM: ensure that the VCO input frequency ranges from 1 to 16 MHz (PLLVCO_input = HSI frequency / PLLM) + * - PLLN: ensure that the VCO output frequency is between 150 and 836 MHz or 128 to 560 MHz(***) (PLLVCO_output = PLLVCO_input * PLLN) + * - PLLP: ensure that max frequency at 550000000 Hz(*), 480000000 Hz(**) or 280000000 Hz(***) is reach (PLLVCO_output / PLLP) + * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains + * the configuration information for the PLL. + * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains + * the configuration information for the BUS prescalers. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: Max frequency configuration done + * - ERROR: Max frequency configuration not done + * + * (*) : For stm32h72xxx and stm32h73xxx family lines and requires to enable the CPU_FREQ_BOOST flash option byte, 520MHZ otherwise. + * (**) : For stm32h74xxx and stm32h75xxx family lines and requires the board to be connected on LDO regulator not SMPS, 400MHZ otherwise. + * (***): For stm32h7a3xx, stm32h7b3xx and stm32h7b0xx family lines. + * + */ +ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, + LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) +{ + ErrorStatus status; +#ifdef USE_FULL_ASSERT + uint32_t vcoinput_freq, vcooutput_freq; +#endif + uint32_t pllfreq, hsi_clk; + + /* Check the parameters */ + assert_param(IS_LL_UTILS_PLLM_VALUE(UTILS_PLLInitStruct->PLLM)); + assert_param(IS_LL_UTILS_PLLN_VALUE(UTILS_PLLInitStruct->PLLN)); + assert_param(IS_LL_UTILS_PLLP_VALUE(UTILS_PLLInitStruct->PLLP)); + assert_param(IS_LL_UTILS_FRACN_VALUE(UTILS_PLLInitStruct->FRACN)); + + hsi_clk = (HSI_VALUE >> (LL_RCC_HSI_GetDivider() >> RCC_CR_HSIDIV_Pos)); + + /* Check VCO Input frequency */ +#ifdef USE_FULL_ASSERT + vcoinput_freq = hsi_clk / UTILS_PLLInitStruct->PLLM; +#endif + assert_param(IS_LL_UTILS_PLLVCO_INPUT(vcoinput_freq, UTILS_PLLInitStruct->VCO_Input)); + + /* Check VCO Output frequency */ +#ifdef USE_FULL_ASSERT + vcooutput_freq = LL_RCC_CalcPLLClockFreq(hsi_clk, UTILS_PLLInitStruct->PLLM, UTILS_PLLInitStruct->PLLN, UTILS_PLLInitStruct->FRACN, 1UL); +#endif + assert_param(IS_LL_UTILS_PLLVCO_OUTPUT(vcooutput_freq, UTILS_PLLInitStruct->VCO_Output)); + + /* Check VCO Input ranges */ + assert_param(IS_LL_UTILS_CHECK_VCO_RANGES(UTILS_PLLInitStruct->VCO_Input, UTILS_PLLInitStruct->VCO_Output)); + + /* Check if one of the PLL is enabled */ + if(UTILS_IsPLLsReady() == SUCCESS) + { + /* Calculate the new PLL output frequency */ + pllfreq = UTILS_GetPLLOutputFrequency(hsi_clk, UTILS_PLLInitStruct); + + /* Enable HSI if not enabled */ + if(LL_RCC_HSI_IsReady() != 1U) + { + LL_RCC_HSI_Enable(); + while (LL_RCC_HSI_IsReady() != 1U) + { + /* Wait for HSI ready */ + } + } + + /* Configure PLL */ + LL_RCC_PLL1P_Enable(); + LL_RCC_PLL1FRACN_Enable(); + LL_RCC_PLL_SetSource(LL_RCC_PLLSOURCE_HSI); + LL_RCC_PLL1_SetVCOInputRange(UTILS_PLLInitStruct->VCO_Input); + LL_RCC_PLL1_SetVCOOutputRange(UTILS_PLLInitStruct->VCO_Output); + LL_RCC_PLL1_SetM(UTILS_PLLInitStruct->PLLM); + LL_RCC_PLL1_SetN(UTILS_PLLInitStruct->PLLN); + LL_RCC_PLL1_SetP(UTILS_PLLInitStruct->PLLP); + LL_RCC_PLL1_SetFRACN(UTILS_PLLInitStruct->FRACN); + + /* Enable PLL and switch system clock to PLL */ + status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct); + } + else + { + /* Current PLL configuration cannot be modified */ + status = ERROR; + } + + return status; +} + +/** + * @brief This function configures system clock with HSE as clock source of the PLL + * @note The application need to ensure that PLL is disabled. + * @note Function is based on the following formula: + * - PLL output frequency = (((HSE frequency / PLLM) * PLLN) / PLLP) + * - PLLM: ensure that the VCO input frequency ranges from 0.95 to 2.10 MHz (PLLVCO_input = HSE frequency / PLLM) + * - PLLN: ensure that the VCO output frequency is between 150 and 836 MHz or 128 to 560 MHz(***) (PLLVCO_output = PLLVCO_input * PLLN) + * - PLLP: ensure that max frequency at 550000000 Hz(*), 480000000 Hz(**) or 280000000 Hz(***) is reached (PLLVCO_output / PLLP) + * @param HSEFrequency Value between Min_Data = 4000000 and Max_Data = 48000000 + * @param HSEBypass This parameter can be one of the following values: + * @arg @ref LL_UTILS_HSEBYPASS_ON + * @arg @ref LL_UTILS_HSEBYPASS_OFF + * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains + * the configuration information for the PLL. + * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains + * the configuration information for the BUS prescalers. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: Max frequency configuration done + * - ERROR: Max frequency configuration not done + * + * (*) : For stm32h72xxx and stm32h73xxx family lines and requires to enable the CPU_FREQ_BOOST flash option byte, 520MHZ otherwise. + * (**) : For stm32h74xxx and stm32h75xxx family lines and requires the board to be connected on LDO regulator not SMPS, 400MHZ otherwise. + * (***): For stm32h7a3xx, stm32h7b3xx and stm32h7b0xx family lines. + * + */ +ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass, + LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) +{ + ErrorStatus status; +#ifdef USE_FULL_ASSERT + uint32_t vcoinput_freq, vcooutput_freq; +#endif + uint32_t pllfreq; + + /* Check the parameters */ + assert_param(IS_LL_UTILS_PLLM_VALUE(UTILS_PLLInitStruct->PLLM)); + assert_param(IS_LL_UTILS_PLLN_VALUE(UTILS_PLLInitStruct->PLLN)); + assert_param(IS_LL_UTILS_PLLP_VALUE(UTILS_PLLInitStruct->PLLP)); + assert_param(IS_LL_UTILS_FRACN_VALUE(UTILS_PLLInitStruct->FRACN)); + assert_param(IS_LL_UTILS_HSE_FREQUENCY(HSEFrequency)); + assert_param(IS_LL_UTILS_HSE_BYPASS(HSEBypass)); + + /* Check VCO Input frequency */ +#ifdef USE_FULL_ASSERT + vcoinput_freq = HSEFrequency / UTILS_PLLInitStruct->PLLM; +#endif + assert_param(IS_LL_UTILS_PLLVCO_INPUT(vcoinput_freq, UTILS_PLLInitStruct->VCO_Input)); + + /* Check VCO output frequency */ +#ifdef USE_FULL_ASSERT + vcooutput_freq = LL_RCC_CalcPLLClockFreq(HSEFrequency, UTILS_PLLInitStruct->PLLM, UTILS_PLLInitStruct->PLLN, UTILS_PLLInitStruct->FRACN, 1U); +#endif + assert_param(IS_LL_UTILS_PLLVCO_OUTPUT(vcooutput_freq, UTILS_PLLInitStruct->VCO_Output)); + + /* Check VCO Input/output ranges compatibility */ + assert_param(IS_LL_UTILS_CHECK_VCO_RANGES(UTILS_PLLInitStruct->VCO_Input, UTILS_PLLInitStruct->VCO_Output)); + + /* Check if one of the PLL is enabled */ + if(UTILS_IsPLLsReady() == SUCCESS) + { + /* Calculate the new PLL output frequency */ + pllfreq = UTILS_GetPLLOutputFrequency(HSEFrequency, UTILS_PLLInitStruct); + + /* Enable HSE if not enabled */ + if(LL_RCC_HSE_IsReady() != 1U) + { + /* Check if need to enable HSE bypass feature or not */ + if(HSEBypass == LL_UTILS_HSEBYPASS_ON) + { + LL_RCC_HSE_EnableBypass(); + } + else + { + LL_RCC_HSE_DisableBypass(); + } + + /* Enable HSE */ + LL_RCC_HSE_Enable(); + while (LL_RCC_HSE_IsReady() != 1U) + { + /* Wait for HSE ready */ + } + } + + /* Configure PLL */ + LL_RCC_PLL1P_Enable(); + LL_RCC_PLL1FRACN_Enable(); + LL_RCC_PLL_SetSource(LL_RCC_PLLSOURCE_HSE); + LL_RCC_PLL1_SetVCOInputRange(UTILS_PLLInitStruct->VCO_Input); + LL_RCC_PLL1_SetVCOOutputRange(UTILS_PLLInitStruct->VCO_Output); + LL_RCC_PLL1_SetM(UTILS_PLLInitStruct->PLLM); + LL_RCC_PLL1_SetN(UTILS_PLLInitStruct->PLLN); + LL_RCC_PLL1_SetP(UTILS_PLLInitStruct->PLLP); + LL_RCC_PLL1_SetFRACN(UTILS_PLLInitStruct->FRACN); + + /* Enable PLL and switch system clock to PLL */ + status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct); + } + else + { + /* Current PLL configuration cannot be modified */ + status = ERROR; + } + + return status; +} + +/** + * @} + */ + +/** + * @brief Update number of Flash wait states in line with new frequency and current + voltage range. + * @param HCLK_Frequency HCLK frequency + * @retval An ErrorStatus enumeration value: + * - SUCCESS: Latency has been modified + * - ERROR: Latency cannot be modified + */ +ErrorStatus LL_SetFlashLatency(uint32_t HCLK_Frequency) +{ + ErrorStatus status = SUCCESS; + uint32_t timeout; + uint32_t getlatency; + uint32_t latency = LL_FLASH_LATENCY_0; /* default value 0WS */ + + + + /* Frequency cannot be equal to 0 */ + if (HCLK_Frequency == 0U) + { + status = ERROR; + } + else + { +#if (STM32H7_DEV_ID == 0x480UL) || (STM32H7_DEV_ID == 0x483UL) + if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE0) + { +#if (STM32H7_DEV_ID == 0x480UL) + if((HCLK_Frequency > UTILS_SCALE0_LATENCY5_FREQ) && (HCLK_Frequency <= UTILS_SCALE0_LATENCY6_FREQ)) + { + /* 264 < HCLK <= 280 => 6WS (7 CPU cycles) */ + latency = LL_FLASH_LATENCY_6; + } + else if((HCLK_Frequency > UTILS_SCALE0_LATENCY4_FREQ) && (HCLK_Frequency <= UTILS_SCALE0_LATENCY5_FREQ)) + { + /* 220 < HCLK <= 264 => 5WS (6 CPU cycles) */ + latency = LL_FLASH_LATENCY_5; + } + else if((HCLK_Frequency > UTILS_SCALE0_LATENCY3_FREQ) && (HCLK_Frequency <= UTILS_SCALE0_LATENCY4_FREQ)) + { + /* 176 < HCLK <= 220 => 4WS (5 CPU cycles) */ + latency = LL_FLASH_LATENCY_4; + } + else if((HCLK_Frequency > UTILS_SCALE0_LATENCY2_FREQ) && (HCLK_Frequency <= UTILS_SCALE0_LATENCY3_FREQ)) +#elif (STM32H7_DEV_ID == 0x483UL) + if((HCLK_Frequency > UTILS_SCALE0_LATENCY2_FREQ) && (HCLK_Frequency <= UTILS_SCALE0_LATENCY3_FREQ)) +#endif /* STM32H7_DEV_ID == 0x480UL */ + { + /* 132 < HCLK <= 176 => 3WS (4 CPU cycles) */ + latency = LL_FLASH_LATENCY_3; + } + else if((HCLK_Frequency > UTILS_SCALE0_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE0_LATENCY2_FREQ)) + { + /* 88 < HCLK <= 132 => 2WS (3 CPU cycles) */ + latency = LL_FLASH_LATENCY_2; + } + else if((HCLK_Frequency > UTILS_SCALE0_LATENCY0_FREQ) && (HCLK_Frequency <= UTILS_SCALE0_LATENCY1_FREQ)) + { + /* 44 < HCLK <= 88 => 1WS (2 CPU cycles) */ + latency = LL_FLASH_LATENCY_1; + } + else if(HCLK_Frequency <= UTILS_SCALE0_LATENCY0_FREQ) + { + /* HCLK <= 44 => 0WS (1 CPU cycles) : Do nothing keep latency to default LL_FLASH_LATENCY_0 */ + } + else + { + status = ERROR; + } + } +#if (STM32H7_DEV_ID == 0x480UL) + else if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) + { + if((HCLK_Frequency > UTILS_SCALE1_LATENCY4_FREQ) && (HCLK_Frequency <= UTILS_SCALE1_LATENCY5_FREQ)) + { + /* 210 < HCLK <= 225 => 5WS (6 CPU cycles) */ + latency = LL_FLASH_LATENCY_5; + } + else if((HCLK_Frequency > UTILS_SCALE1_LATENCY3_FREQ) && (HCLK_Frequency <= UTILS_SCALE1_LATENCY4_FREQ)) + { + /* 168 < HCLK <= 210 => 4WS (5 CPU cycles) */ + latency = LL_FLASH_LATENCY_4; + } + else if((HCLK_Frequency > UTILS_SCALE1_LATENCY2_FREQ) && (HCLK_Frequency <= UTILS_SCALE1_LATENCY3_FREQ)) + { + /* 126 < HCLK <= 168 => 3WS (4 CPU cycles) */ + latency = LL_FLASH_LATENCY_3; + } + else if((HCLK_Frequency > UTILS_SCALE1_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE1_LATENCY2_FREQ)) +#else + if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) + { + if((HCLK_Frequency > UTILS_SCALE1_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE1_LATENCY2_FREQ)) +#endif /* STM32H7_DEV_ID == 0x480UL */ +#else + if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) + { + if((HCLK_Frequency > UTILS_SCALE1_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE1_LATENCY2_FREQ)) +#endif /* STM32H7_DEV_ID == 0x480UL || STM32H7_DEV_ID == 0x483UL */ + { + /* 140 < HCLK <= 210 => 2WS (3 CPU cycles) */ + latency = LL_FLASH_LATENCY_2; + } + else if((HCLK_Frequency > UTILS_SCALE1_LATENCY0_FREQ) && (HCLK_Frequency <= UTILS_SCALE1_LATENCY1_FREQ)) + { + /* 70 < HCLK <= 140 => 1WS (2 CPU cycles) */ + latency = LL_FLASH_LATENCY_1; + } + else if(HCLK_Frequency <= UTILS_SCALE1_LATENCY0_FREQ) + { + /* HCLK <= 70 => 0WS (1 CPU cycles) : Do nothing keep latency to default LL_FLASH_LATENCY_0 */ + } + else + { + status = ERROR; + } + } + else if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) + { +#if (STM32H7_DEV_ID == 0x480UL) || (STM32H7_DEV_ID == 0x450UL) +#if (STM32H7_DEV_ID == 0x480UL) + if((HCLK_Frequency > UTILS_SCALE2_LATENCY3_FREQ) && (HCLK_Frequency <= UTILS_SCALE2_LATENCY4_FREQ)) + { + /* 136 < HCLK <= 160 => 4WS (5 CPU cycles) */ + latency = LL_FLASH_LATENCY_4; + } + else if((HCLK_Frequency > UTILS_SCALE2_LATENCY2_FREQ) && (HCLK_Frequency <= UTILS_SCALE2_LATENCY3_FREQ)) +#else + if((HCLK_Frequency > UTILS_SCALE2_LATENCY2_FREQ) && (HCLK_Frequency <= UTILS_SCALE2_LATENCY3_FREQ)) +#endif /* STM32H7_DEV_ID == 0x480UL */ + { + /* 165 < HCLK <= 220 => 3WS (4 CPU cycles) */ + latency = LL_FLASH_LATENCY_3; + } + else if((HCLK_Frequency > UTILS_SCALE2_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE2_LATENCY2_FREQ)) +#else + if((HCLK_Frequency > UTILS_SCALE2_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE2_LATENCY2_FREQ)) +#endif /* STM32H7_DEV_ID == 0x480UL || STM32H7_DEV_ID == 0x450UL */ + { + /* 110 < HCLK <= 165 => 2WS (3 CPU cycles) */ + latency = LL_FLASH_LATENCY_2; + } + else if((HCLK_Frequency > UTILS_SCALE2_LATENCY0_FREQ) && (HCLK_Frequency <= UTILS_SCALE2_LATENCY1_FREQ)) + { + /* 55 < HCLK <= 110 => 1WS (2 CPU cycles) */ + latency = LL_FLASH_LATENCY_1; + } + else if(HCLK_Frequency <= UTILS_SCALE2_LATENCY0_FREQ) + { + /* HCLK <= 55 => 0WS (1 CPU cycles) : Do nothing keep latency to default LL_FLASH_LATENCY_0 */ + } + else + { + status = ERROR; + } + } + else /* Scale 3 */ + { +#if (STM32H7_DEV_ID == 0x450UL) || (STM32H7_DEV_ID == 0x480UL) +#if (STM32H7_DEV_ID == 0x450UL) + if((HCLK_Frequency > UTILS_SCALE3_LATENCY3_FREQ) && (HCLK_Frequency <= UTILS_SCALE3_LATENCY4_FREQ)) + { + /* 180 < HCLK <= 225 => 4WS (5 CPU cycles) */ + latency = LL_FLASH_LATENCY_4; + } + else if((HCLK_Frequency > UTILS_SCALE3_LATENCY2_FREQ) && (HCLK_Frequency <= UTILS_SCALE3_LATENCY3_FREQ)) +#else + if((HCLK_Frequency > UTILS_SCALE3_LATENCY2_FREQ) && (HCLK_Frequency <= UTILS_SCALE3_LATENCY3_FREQ)) +#endif /*STM32H7_DEV_ID == 0x450UL*/ + { + /* 135 < HCLK <= 180 => 3WS (4 CPU cycles) */ + latency = LL_FLASH_LATENCY_3; + } + else if((HCLK_Frequency > UTILS_SCALE3_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE3_LATENCY2_FREQ)) +#else + if((HCLK_Frequency > UTILS_SCALE3_LATENCY1_FREQ) && (HCLK_Frequency <= UTILS_SCALE3_LATENCY2_FREQ)) +#endif /* STM32H7_DEV_ID == 0x450UL || STM32H7_DEV_ID == 0x480UL */ + { + /* 90 < HCLK <= 135 => 2WS (3 CPU cycles) */ + latency = LL_FLASH_LATENCY_2; + } + else if((HCLK_Frequency > UTILS_SCALE3_LATENCY0_FREQ) && (HCLK_Frequency <= UTILS_SCALE3_LATENCY1_FREQ)) + { + /* 45 < HCLK <= 90 => 1WS (2 CPU cycles) */ + latency = LL_FLASH_LATENCY_1; + } + else if(HCLK_Frequency <= UTILS_SCALE3_LATENCY0_FREQ) + { + /* HCLK <= 45 => 0WS (1 CPU cycles) : Do nothing keep latency to default LL_FLASH_LATENCY_0 */ + } + else + { + status = ERROR; + } + } + + if(status == SUCCESS) + { + LL_FLASH_SetLatency(latency); + + /* Check that the new number of wait states is taken into account to access the Flash + memory by reading the FLASH_ACR register */ + timeout = 2; + do + { + /* Wait for Flash latency to be updated */ + getlatency = LL_FLASH_GetLatency(); + timeout--; + } while ((getlatency != latency) && (timeout > 0U)); + + if(getlatency != latency) + { + status = ERROR; + } + } + } + + return status; +} + + +/** + * @} + */ + +/** @addtogroup UTILS_LL_Private_Functions + * @{ + */ + + +/** + * @brief Function to check that PLL can be modified + * @param PLL_InputFrequency PLL input frequency (in Hz) + * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains + * the configuration information for the PLL. + * @retval PLL output frequency (in Hz) + */ +static uint32_t UTILS_GetPLLOutputFrequency(uint32_t PLL_InputFrequency, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct) +{ + uint32_t pllfreq; + + /* Check the parameters */ + assert_param(IS_LL_UTILS_PLLM_VALUE(UTILS_PLLInitStruct->PLLM)); + assert_param(IS_LL_UTILS_PLLN_VALUE(UTILS_PLLInitStruct->PLLN)); + assert_param(IS_LL_UTILS_PLLP_VALUE(UTILS_PLLInitStruct->PLLP)); + assert_param(IS_LL_UTILS_FRACN_VALUE(UTILS_PLLInitStruct->FRACN)); + + pllfreq = LL_RCC_CalcPLLClockFreq(PLL_InputFrequency, UTILS_PLLInitStruct->PLLM, UTILS_PLLInitStruct->PLLN, UTILS_PLLInitStruct->FRACN, UTILS_PLLInitStruct->PLLP); + + return pllfreq; +} + +/** + * @brief Check that all PLLs are ready therefore configuration can be done + * @retval An ErrorStatus enumeration value: + * - SUCCESS: All PLLs are ready so configuration can be done + * - ERROR: One PLL at least is busy + */ +static ErrorStatus UTILS_IsPLLsReady(void) +{ + ErrorStatus status = SUCCESS; + + /* Check if one of the PLL1 is busy */ + if(LL_RCC_PLL1_IsReady() != 0U) + { + /* PLL1 configuration cannot be done */ + status = ERROR; + } + + /* Check if one of the PLL2 is busy */ + if(LL_RCC_PLL2_IsReady() != 0U) + { + /* PLL2 configuration cannot be done */ + status = ERROR; + } + + /* Check if one of the PLL3 is busy */ + if(LL_RCC_PLL3_IsReady() != 0U) + { + /* PLL3 configuration cannot be done */ + status = ERROR; + } + + return status; +} + +/** + * @brief Function to enable PLL and switch system clock to PLL + * @param SYSCLK_Frequency SYSCLK frequency + * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains + * the configuration information for the BUS prescalers. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: No problem to switch system to PLL + * - ERROR: Problem to switch system to PLL + */ +static ErrorStatus UTILS_EnablePLLAndSwitchSystem(uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) +{ + ErrorStatus status = SUCCESS; + uint32_t new_hclk_frequency; + + assert_param(IS_LL_UTILS_SYSCLK_DIV(UTILS_ClkInitStruct->SYSCLKDivider)); + assert_param(IS_LL_UTILS_AHB_DIV(UTILS_ClkInitStruct->AHBCLKDivider)); + assert_param(IS_LL_UTILS_APB1_DIV(UTILS_ClkInitStruct->APB1CLKDivider)); + assert_param(IS_LL_UTILS_APB2_DIV(UTILS_ClkInitStruct->APB2CLKDivider)); + assert_param(IS_LL_UTILS_APB3_DIV(UTILS_ClkInitStruct->APB3CLKDivider)); + assert_param(IS_LL_UTILS_APB4_DIV(UTILS_ClkInitStruct->APB4CLKDivider)); + + /* Calculate the new HCLK frequency */ + new_hclk_frequency = LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, UTILS_ClkInitStruct->AHBCLKDivider); + + /* Increasing the number of wait states because of higher CPU frequency */ + if (SystemD2Clock < new_hclk_frequency) + { + /* Set FLASH latency to highest latency */ + status = LL_SetFlashLatency(new_hclk_frequency); + } + + /* Update system clock configuration */ + if(status == SUCCESS) + { + /* Enable PLL */ + LL_RCC_PLL1_Enable(); + while (LL_RCC_PLL1_IsReady() != 1U) + { + /* Wait for PLL ready */ + } + + /* Set All APBxPrescaler to the Highest Divider */ + LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_16); + LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_16); + LL_RCC_SetAPB3Prescaler(LL_RCC_APB3_DIV_16); + LL_RCC_SetAPB4Prescaler(LL_RCC_APB4_DIV_16); + + /* Set SYS prescaler*/ + LL_RCC_SetSysPrescaler(UTILS_ClkInitStruct->SYSCLKDivider); + + /* Set AHB prescaler*/ + LL_RCC_SetAHBPrescaler(UTILS_ClkInitStruct->AHBCLKDivider); + + /* Sysclk activation on the main PLL */ + LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL1); + while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL1) + { + /* Wait for system clock switch to PLL */ + } + + /* Set APBn prescaler*/ + LL_RCC_SetAPB1Prescaler(UTILS_ClkInitStruct->APB1CLKDivider); + LL_RCC_SetAPB2Prescaler(UTILS_ClkInitStruct->APB2CLKDivider); + LL_RCC_SetAPB3Prescaler(UTILS_ClkInitStruct->APB3CLKDivider); + LL_RCC_SetAPB4Prescaler(UTILS_ClkInitStruct->APB4CLKDivider); + + /* Decreasing the number of wait states because of lower CPU frequency */ + if (SystemD2Clock > new_hclk_frequency) + { + /* Set FLASH latency to lowest latency */ + status = LL_SetFlashLatency(new_hclk_frequency); + } + + /* Update the SystemD2Clock global variable */ +#if defined(RCC_D1CFGR_HPRE) + SystemD2Clock = (SYSCLK_Frequency >> ((D1CorePrescTable[(RCC->D1CFGR & RCC_D1CFGR_HPRE)>> RCC_D1CFGR_HPRE_Pos]) & 0x1FU)); +#else + SystemD2Clock = (SYSCLK_Frequency >> ((D1CorePrescTable[(RCC->CDCFGR1 & RCC_CDCFGR1_HPRE)>> RCC_CDCFGR1_HPRE_Pos]) & 0x1FU)); +#endif + + /* Update SystemCoreClock variable */ +#if defined(DUAL_CORE) && defined(CORE_CM4) + LL_SetSystemCoreClock(SystemD2Clock); +#else + LL_SetSystemCoreClock(SYSCLK_Frequency); +#endif /* DUAL_CORE && CORE_CM4 */ + + } + + + return status; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + -- cgit v1.2.3