added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
Diff: targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_rcc_ex.c
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 83:a036322b8637
diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_rcc_ex.c --- a/targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_rcc_ex.c Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_rcc_ex.c Fri Sep 02 15:07:44 2016 +0100 @@ -1,926 +1,1340 @@ -/** - ****************************************************************************** - * @file stm32f7xx_hal_rcc_ex.c - * @author MCD Application Team - * @version V1.0.4 - * @date 09-December-2015 - * @brief Extension RCC HAL module driver. - * This file provides firmware functions to manage the following - * functionalities RCC extension peripheral: - * + Extended Peripheral Control functions - * - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f7xx_hal.h" - -/** @addtogroup STM32F7xx_HAL_Driver - * @{ - */ - -/** @defgroup RCCEx RCCEx - * @brief RCCEx HAL module driver - * @{ - */ - -#ifdef HAL_RCC_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @defgroup RCCEx_Private_Defines RCCEx Private Defines - * @{ - */ - -#define PLLI2S_TIMEOUT_VALUE 100 /* Timeout value fixed to 100 ms */ -#define PLLSAI_TIMEOUT_VALUE 100 /* Timeout value fixed to 100 ms */ - -/** - * @} - */ -/* Private macro -------------------------------------------------------------*/ -/** @defgroup RCCEx_Private_Macros RCCEx Private Macros - * @{ - */ -/** - * @} - */ - -/** @defgroup RCCEx_Private_Macros RCCEx Private Macros - * @{ - */ - -/** - * @} - */ - - -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup RCCEx_Exported_Functions RCCEx Exported Functions - * @{ - */ - -/** @defgroup RCCEx_Exported_Functions_Group1 Extended Peripheral Control functions - * @brief Extended Peripheral Control functions - * -@verbatim - =============================================================================== - ##### Extended Peripheral Control functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to control the RCC Clocks - frequencies. - [..] - (@) Important note: Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to - select the RTC clock source; in this case the Backup domain will be reset in - order to modify the RTC Clock source, as consequence RTC registers (including - the backup registers) and RCC_BDCR register will be set to their reset values. - -@endverbatim - * @{ - */ -/** - * @brief Initializes the RCC extended peripherals clocks according to the specified - * parameters in the RCC_PeriphCLKInitTypeDef. - * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that - * contains the configuration information for the Extended Peripherals - * clocks(I2S, SAI, LTDC RTC, TIM, UARTs, USARTs, LTPIM, SDMMC...). - * - * @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select - * the RTC clock source; in this case the Backup domain will be reset in - * order to modify the RTC Clock source, as consequence RTC registers (including - * the backup registers) and RCC_BDCR register are set to their reset values. - * - * @retval HAL status - */ -HAL_StatusTypeDef HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tickstart = 0; - uint32_t tmpreg0 = 0; - uint32_t tmpreg1 = 0; - uint32_t plli2sused = 0; - uint32_t pllsaiused = 0; - - /* Check the parameters */ - assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection)); - - /*----------------------------------- I2S configuration ----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == (RCC_PERIPHCLK_I2S)) - { - /* Check the parameters */ - assert_param(IS_RCC_I2SCLKSOURCE(PeriphClkInit->I2sClockSelection)); - - /* Configure I2S Clock source */ - __HAL_RCC_I2S_CONFIG(PeriphClkInit->I2sClockSelection); - - /* Enable the PLLI2S when it's used as clock source for I2S */ - if(PeriphClkInit->I2sClockSelection == RCC_I2SCLKSOURCE_PLLI2S) - { - plli2sused = 1; - } - } - - /*------------------------------------ SAI1 configuration --------------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI1) == (RCC_PERIPHCLK_SAI1)) - { - /* Check the parameters */ - assert_param(IS_RCC_SAI1CLKSOURCE(PeriphClkInit->Sai1ClockSelection)); - - /* Configure SAI1 Clock source */ - __HAL_RCC_SAI1_CONFIG(PeriphClkInit->Sai1ClockSelection); - /* Enable the PLLI2S when it's used as clock source for SAI */ - if(PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLI2S) - { - plli2sused = 1; - } - /* Enable the PLLSAI when it's used as clock source for SAI */ - if(PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLSAI) - { - pllsaiused = 1; - } - } - - /*------------------------------------ SAI2 configuration --------------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI2) == (RCC_PERIPHCLK_SAI2)) - { - /* Check the parameters */ - assert_param(IS_RCC_SAI2CLKSOURCE(PeriphClkInit->Sai2ClockSelection)); - - /* Configure SAI2 Clock source */ - __HAL_RCC_SAI2_CONFIG(PeriphClkInit->Sai2ClockSelection); - - /* Enable the PLLI2S when it's used as clock source for SAI */ - if(PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLI2S) - { - plli2sused = 1; - } - /* Enable the PLLSAI when it's used as clock source for SAI */ - if(PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLSAI) - { - pllsaiused = 1; - } - } - - /*-------------------------------------- SPDIF-RX Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SPDIFRX) == RCC_PERIPHCLK_SPDIFRX) - { - plli2sused = 1; - } - - /*------------------------------------ RTC configuration --------------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_RTC) == (RCC_PERIPHCLK_RTC)) - { - /* Enable Power Clock*/ - __HAL_RCC_PWR_CLK_ENABLE(); - - /* Enable write access to Backup domain */ - PWR->CR1 |= PWR_CR1_DBP; - - /* Get Start Tick*/ - tickstart = HAL_GetTick(); - - /* Wait for Backup domain Write protection disable */ - while((PWR->CR1 & PWR_CR1_DBP) == RESET) - { - if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE) - { - return HAL_TIMEOUT; - } - } - /* Reset the Backup domain only if the RTC Clock source selection is modified */ - if((RCC->BDCR & RCC_BDCR_RTCSEL) != (PeriphClkInit->RTCClockSelection & RCC_BDCR_RTCSEL)) - { - /* Store the content of BDCR register before the reset of Backup Domain */ - tmpreg0 = (RCC->BDCR & ~(RCC_BDCR_RTCSEL)); - - /* RTC Clock selection can be changed only if the Backup Domain is reset */ - __HAL_RCC_BACKUPRESET_FORCE(); - __HAL_RCC_BACKUPRESET_RELEASE(); - - /* Restore the Content of BDCR register */ - RCC->BDCR = tmpreg0; - - /* If LSE is selected as RTC clock source, wait for LSE reactivation */ - if (HAL_IS_BIT_SET(tmpreg0, RCC_BDCR_LSERDY)) - { - /* Get Start Tick*/ - tickstart = HAL_GetTick(); - - /* Wait till LSE is ready */ - while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET) - { - if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE) - { - return HAL_TIMEOUT; - } - } - } - __HAL_RCC_RTC_CONFIG(PeriphClkInit->RTCClockSelection); - } - } - - /*------------------------------------ TIM configuration --------------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM) == (RCC_PERIPHCLK_TIM)) - { - /* Check the parameters */ - assert_param(IS_RCC_TIMPRES(PeriphClkInit->TIMPresSelection)); - - /* Configure Timer Prescaler */ - __HAL_RCC_TIMCLKPRESCALER(PeriphClkInit->TIMPresSelection); - } - - /*-------------------------------------- I2C1 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C1) == RCC_PERIPHCLK_I2C1) - { - /* Check the parameters */ - assert_param(IS_RCC_I2C1CLKSOURCE(PeriphClkInit->I2c1ClockSelection)); - - /* Configure the I2C1 clock source */ - __HAL_RCC_I2C1_CONFIG(PeriphClkInit->I2c1ClockSelection); - } - - /*-------------------------------------- I2C2 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C2) == RCC_PERIPHCLK_I2C2) - { - /* Check the parameters */ - assert_param(IS_RCC_I2C2CLKSOURCE(PeriphClkInit->I2c2ClockSelection)); - - /* Configure the I2C2 clock source */ - __HAL_RCC_I2C2_CONFIG(PeriphClkInit->I2c2ClockSelection); - } - - /*-------------------------------------- I2C3 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C3) == RCC_PERIPHCLK_I2C3) - { - /* Check the parameters */ - assert_param(IS_RCC_I2C3CLKSOURCE(PeriphClkInit->I2c3ClockSelection)); - - /* Configure the I2C3 clock source */ - __HAL_RCC_I2C3_CONFIG(PeriphClkInit->I2c3ClockSelection); - } - - /*-------------------------------------- I2C4 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C4) == RCC_PERIPHCLK_I2C4) - { - /* Check the parameters */ - assert_param(IS_RCC_I2C4CLKSOURCE(PeriphClkInit->I2c4ClockSelection)); - - /* Configure the I2C4 clock source */ - __HAL_RCC_I2C4_CONFIG(PeriphClkInit->I2c4ClockSelection); - } - - /*-------------------------------------- USART1 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART1) == RCC_PERIPHCLK_USART1) - { - /* Check the parameters */ - assert_param(IS_RCC_USART1CLKSOURCE(PeriphClkInit->Usart1ClockSelection)); - - /* Configure the USART1 clock source */ - __HAL_RCC_USART1_CONFIG(PeriphClkInit->Usart1ClockSelection); - } - - /*-------------------------------------- USART2 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART2) == RCC_PERIPHCLK_USART2) - { - /* Check the parameters */ - assert_param(IS_RCC_USART2CLKSOURCE(PeriphClkInit->Usart2ClockSelection)); - - /* Configure the USART2 clock source */ - __HAL_RCC_USART2_CONFIG(PeriphClkInit->Usart2ClockSelection); - } - - /*-------------------------------------- USART3 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART3) == RCC_PERIPHCLK_USART3) - { - /* Check the parameters */ - assert_param(IS_RCC_USART3CLKSOURCE(PeriphClkInit->Usart3ClockSelection)); - - /* Configure the USART3 clock source */ - __HAL_RCC_USART3_CONFIG(PeriphClkInit->Usart3ClockSelection); - } - - /*-------------------------------------- UART4 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART4) == RCC_PERIPHCLK_UART4) - { - /* Check the parameters */ - assert_param(IS_RCC_UART4CLKSOURCE(PeriphClkInit->Uart4ClockSelection)); - - /* Configure the UART4 clock source */ - __HAL_RCC_UART4_CONFIG(PeriphClkInit->Uart4ClockSelection); - } - - /*-------------------------------------- UART5 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART5) == RCC_PERIPHCLK_UART5) - { - /* Check the parameters */ - assert_param(IS_RCC_UART5CLKSOURCE(PeriphClkInit->Uart5ClockSelection)); - - /* Configure the UART5 clock source */ - __HAL_RCC_UART5_CONFIG(PeriphClkInit->Uart5ClockSelection); - } - - /*-------------------------------------- USART6 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART6) == RCC_PERIPHCLK_USART6) - { - /* Check the parameters */ - assert_param(IS_RCC_USART6CLKSOURCE(PeriphClkInit->Usart6ClockSelection)); - - /* Configure the USART6 clock source */ - __HAL_RCC_USART6_CONFIG(PeriphClkInit->Usart6ClockSelection); - } - - /*-------------------------------------- UART7 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART7) == RCC_PERIPHCLK_UART7) - { - /* Check the parameters */ - assert_param(IS_RCC_UART7CLKSOURCE(PeriphClkInit->Uart7ClockSelection)); - - /* Configure the UART7 clock source */ - __HAL_RCC_UART7_CONFIG(PeriphClkInit->Uart7ClockSelection); - } - - /*-------------------------------------- UART8 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART8) == RCC_PERIPHCLK_UART8) - { - /* Check the parameters */ - assert_param(IS_RCC_UART8CLKSOURCE(PeriphClkInit->Uart8ClockSelection)); - - /* Configure the UART8 clock source */ - __HAL_RCC_UART8_CONFIG(PeriphClkInit->Uart8ClockSelection); - } - - /*--------------------------------------- CEC Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CEC) == RCC_PERIPHCLK_CEC) - { - /* Check the parameters */ - assert_param(IS_RCC_CECCLKSOURCE(PeriphClkInit->CecClockSelection)); - - /* Configure the CEC clock source */ - __HAL_RCC_CEC_CONFIG(PeriphClkInit->CecClockSelection); - } - - /*-------------------------------------- CK48 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CLK48) == RCC_PERIPHCLK_CLK48) - { - /* Check the parameters */ - assert_param(IS_RCC_CLK48SOURCE(PeriphClkInit->Clk48ClockSelection)); - - /* Configure the CLK48 source */ - __HAL_RCC_CLK48_CONFIG(PeriphClkInit->Clk48ClockSelection); - - /* Enable the PLLSAI when it's used as clock source for CK48 */ - if(PeriphClkInit->Clk48ClockSelection == RCC_CLK48SOURCE_PLLSAIP) - { - pllsaiused = 1; - } - } - - /*-------------------------------------- LTDC Configuration -----------------------------------*/ -#if defined(STM32F756xx) || defined(STM32F746xx) - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LTDC) == RCC_PERIPHCLK_LTDC) - { - pllsaiused = 1; - } -#endif /* STM32F756xx || STM32F746xx */ - /*-------------------------------------- LPTIM1 Configuration -----------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LPTIM1) == RCC_PERIPHCLK_LPTIM1) - { - /* Check the parameters */ - assert_param(IS_RCC_LPTIM1CLK(PeriphClkInit->Lptim1ClockSelection)); - - /* Configure the LTPIM1 clock source */ - __HAL_RCC_LPTIM1_CONFIG(PeriphClkInit->Lptim1ClockSelection); - } - - /*------------------------------------- SDMMC1 Configuration ------------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SDMMC1) == RCC_PERIPHCLK_SDMMC1) - { - /* Check the parameters */ - assert_param(IS_RCC_SDMMC1CLKSOURCE(PeriphClkInit->Sdmmc1ClockSelection)); - - /* Configure the SDMMC1 clock source */ - __HAL_RCC_SDMMC1_CONFIG(PeriphClkInit->Sdmmc1ClockSelection); - } - - /*-------------------------------------- PLLI2S Configuration ---------------------------------*/ - /* PLLI2S is configured when a peripheral will use it as source clock : SAI1, SAI2, I2S or SPDIF-RX */ - if((plli2sused == 1) || (PeriphClkInit->PeriphClockSelection == RCC_PERIPHCLK_PLLI2S)) - { - /* Disable the PLLI2S */ - __HAL_RCC_PLLI2S_DISABLE(); - - /* Get Start Tick*/ - tickstart = HAL_GetTick(); - - /* Wait till PLLI2S is disabled */ - while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLI2SRDY) != RESET) - { - if((HAL_GetTick() - tickstart) > PLLI2S_TIMEOUT_VALUE) - { - /* return in case of Timeout detected */ - return HAL_TIMEOUT; - } - } - - /* check for common PLLI2S Parameters */ - assert_param(IS_RCC_PLLI2SN_VALUE(PeriphClkInit->PLLI2S.PLLI2SN)); - - /*----------------- In Case of PLLI2S is selected as source clock for I2S -------------------*/ - if(((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == RCC_PERIPHCLK_I2S) && (PeriphClkInit->I2sClockSelection == RCC_I2SCLKSOURCE_PLLI2S))) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); - - /* Read PLLI2SP and PLLI2SQ value from PLLI2SCFGR register (this value is not needed for I2S configuration) */ - tmpreg0 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)); - tmpreg1 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) x (PLLI2SN/PLLM) */ - /* I2SCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SR */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , tmpreg0, tmpreg1, PeriphClkInit->PLLI2S.PLLI2SR); - } - - /*----------------- In Case of PLLI2S is selected as source clock for SAI -------------------*/ - if(((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI1) == RCC_PERIPHCLK_SAI1) && (PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLI2S)) || - ((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI2) == RCC_PERIPHCLK_SAI2) && (PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLI2S))) - { - /* Check for PLLI2S Parameters */ - assert_param(IS_RCC_PLLI2SQ_VALUE(PeriphClkInit->PLLI2S.PLLI2SQ)); - /* Check for PLLI2S/DIVQ parameters */ - assert_param(IS_RCC_PLLI2S_DIVQ_VALUE(PeriphClkInit->PLLI2SDivQ)); - - /* Read PLLI2SP and PLLI2SR values from PLLI2SCFGR register (this value is not needed for SAI configuration) */ - tmpreg0 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)); - tmpreg1 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */ - /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ - /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN, tmpreg0, PeriphClkInit->PLLI2S.PLLI2SQ, tmpreg1); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ - __HAL_RCC_PLLI2S_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLI2SDivQ); - } - - /*----------------- In Case of PLLI2S is selected as source clock for SPDIF-RX -------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SPDIFRX) == RCC_PERIPHCLK_SPDIFRX) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SP_VALUE(PeriphClkInit->PLLI2S.PLLI2SP)); - - /* Read PLLI2SR value from PLLI2SCFGR register (this value is not needed for SPDIF-RX configuration) */ - tmpreg0 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); - tmpreg1 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) x (PLLI2SN/PLLM) */ - /* SPDIFCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SP */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SP, tmpreg0, tmpreg1); - } - - /*----------------- In Case of PLLI2S is just selected -----------------*/ - if((PeriphClkInit->PeriphClockSelection & RCC_PERIPHCLK_PLLI2S) == RCC_PERIPHCLK_PLLI2S) - { - /* Check for Parameters */ - assert_param(IS_RCC_PLLI2SP_VALUE(PeriphClkInit->PLLI2S.PLLI2SP)); - assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); - assert_param(IS_RCC_PLLI2SQ_VALUE(PeriphClkInit->PLLI2S.PLLI2SQ)); - - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) x (PLLI2SN/PLLI2SM) */ - /* SPDIFRXCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SP */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SP, PeriphClkInit->PLLI2S.PLLI2SQ, PeriphClkInit->PLLI2S.PLLI2SR); - } - - /* Enable the PLLI2S */ - __HAL_RCC_PLLI2S_ENABLE(); - - /* Get Start Tick*/ - tickstart = HAL_GetTick(); - - /* Wait till PLLI2S is ready */ - while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLI2SRDY) == RESET) - { - if((HAL_GetTick() - tickstart) > PLLI2S_TIMEOUT_VALUE) - { - /* return in case of Timeout detected */ - return HAL_TIMEOUT; - } - } - } - - /*-------------------------------------- PLLSAI Configuration ---------------------------------*/ - /* PLLSAI is configured when a peripheral will use it as source clock : SAI1, SAI2, LTDC or CK48 */ - if(pllsaiused == 1) - { - /* Disable PLLSAI Clock */ - __HAL_RCC_PLLSAI_DISABLE(); - - /* Get Start Tick*/ - tickstart = HAL_GetTick(); - - /* Wait till PLLSAI is disabled */ - while(__HAL_RCC_PLLSAI_GET_FLAG() != RESET) - { - if((HAL_GetTick() - tickstart) > PLLSAI_TIMEOUT_VALUE) - { - /* return in case of Timeout detected */ - return HAL_TIMEOUT; - } - } - - /* Check the PLLSAI division factors */ - assert_param(IS_RCC_PLLSAIN_VALUE(PeriphClkInit->PLLSAI.PLLSAIN)); - - /*----------------- In Case of PLLSAI is selected as source clock for SAI -------------------*/ - if(((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI1) == RCC_PERIPHCLK_SAI1) && (PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLSAI)) ||\ - ((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI2) == RCC_PERIPHCLK_SAI2) && (PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLSAI))) - { - /* check for PLLSAIQ Parameter */ - assert_param(IS_RCC_PLLSAIQ_VALUE(PeriphClkInit->PLLSAI.PLLSAIQ)); - /* check for PLLSAI/DIVQ Parameter */ - assert_param(IS_RCC_PLLSAI_DIVQ_VALUE(PeriphClkInit->PLLSAIDivQ)); - - /* Read PLLSAIP value from PLLSAICFGR register (this value is not needed for SAI configuration) */ - tmpreg0 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)); - tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); - /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ - /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ - /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ - __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIN , tmpreg0, PeriphClkInit->PLLSAI.PLLSAIQ, tmpreg1); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ - __HAL_RCC_PLLSAI_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLSAIDivQ); - } - - /*----------------- In Case of PLLSAI is selected as source clock for CLK48 -------------------*/ - /* In Case of PLLI2S is selected as source clock for CK48 */ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CLK48) == RCC_PERIPHCLK_CLK48) && (PeriphClkInit->Clk48ClockSelection == RCC_CLK48SOURCE_PLLSAIP)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLSAIP_VALUE(PeriphClkInit->PLLSAI.PLLSAIP)); - /* Read PLLSAIQ and PLLSAIR value from PLLSAICFGR register (this value is not needed for CK48 configuration) */ - tmpreg0 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); - - /* Configure the PLLSAI division factors */ - /* PLLSAI_VCO = f(VCO clock) = f(PLLSAI clock input) x (PLLI2SN/PLLM) */ - /* 48CLK = f(PLLSAI clock output) = f(VCO clock) / PLLSAIP */ - __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIN , PeriphClkInit->PLLSAI.PLLSAIP, tmpreg0, tmpreg1); - } - -#if defined(STM32F756xx) || defined(STM32F746xx) - /*---------------------------- LTDC configuration -------------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LTDC) == (RCC_PERIPHCLK_LTDC)) - { - assert_param(IS_RCC_PLLSAIR_VALUE(PeriphClkInit->PLLSAI.PLLSAIR)); - assert_param(IS_RCC_PLLSAI_DIVR_VALUE(PeriphClkInit->PLLSAIDivR)); - - /* Read PLLSAIP and PLLSAIQ value from PLLSAICFGR register (these value are not needed for LTDC configuration) */ - tmpreg0 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)); - - /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ - /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ - /* LTDC_CLK(first level) = PLLSAI_VCO Output/PLLSAIR */ - __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIN , tmpreg1, tmpreg0, PeriphClkInit->PLLSAI.PLLSAIR); - - /* LTDC_CLK = LTDC_CLK(first level)/PLLSAIDIVR */ - __HAL_RCC_PLLSAI_PLLSAICLKDIVR_CONFIG(PeriphClkInit->PLLSAIDivR); - } -#endif /* STM32F756xx || STM32F746xx */ - - /* Enable PLLSAI Clock */ - __HAL_RCC_PLLSAI_ENABLE(); - - /* Get Start Tick*/ - tickstart = HAL_GetTick(); - - /* Wait till PLLSAI is ready */ - while(__HAL_RCC_PLLSAI_GET_FLAG() == RESET) - { - if((HAL_GetTick() - tickstart) > PLLSAI_TIMEOUT_VALUE) - { - /* return in case of Timeout detected */ - return HAL_TIMEOUT; - } - } - } - return HAL_OK; -} - -/** - * @brief Get the RCC_PeriphCLKInitTypeDef according to the internal - * RCC configuration registers. - * @param PeriphClkInit: pointer to the configured RCC_PeriphCLKInitTypeDef structure - * @retval None - */ -void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tempreg = 0; - - /* Set all possible values for the extended clock type parameter------------*/ - PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_I2S | RCC_PERIPHCLK_LPTIM1 |\ - RCC_PERIPHCLK_SAI1 | RCC_PERIPHCLK_SAI2 |\ - RCC_PERIPHCLK_TIM | RCC_PERIPHCLK_RTC |\ - RCC_PERIPHCLK_CEC | RCC_PERIPHCLK_I2C4 |\ - RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_I2C2 |\ - RCC_PERIPHCLK_I2C3 | RCC_PERIPHCLK_USART1 |\ - RCC_PERIPHCLK_USART2 | RCC_PERIPHCLK_USART3 |\ - RCC_PERIPHCLK_UART4 | RCC_PERIPHCLK_UART5 |\ - RCC_PERIPHCLK_USART6 | RCC_PERIPHCLK_UART7 |\ - RCC_PERIPHCLK_UART8 | RCC_PERIPHCLK_SDMMC1 |\ - RCC_PERIPHCLK_CLK48; - - - /* Get the PLLI2S Clock configuration -----------------------------------------------*/ - PeriphClkInit->PLLI2S.PLLI2SN = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SN)); - PeriphClkInit->PLLI2S.PLLI2SP = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)); - PeriphClkInit->PLLI2S.PLLI2SQ = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); - PeriphClkInit->PLLI2S.PLLI2SR = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); - - /* Get the PLLSAI Clock configuration -----------------------------------------------*/ - PeriphClkInit->PLLSAI.PLLSAIN = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIN)); - PeriphClkInit->PLLSAI.PLLSAIP = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)); - PeriphClkInit->PLLSAI.PLLSAIQ = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - PeriphClkInit->PLLSAI.PLLSAIR = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); - - /* Get the PLLSAI/PLLI2S division factors -------------------------------------------*/ - PeriphClkInit->PLLI2SDivQ = (uint32_t)((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLI2SDIVQ) >> POSITION_VAL(RCC_DCKCFGR1_PLLI2SDIVQ)); - PeriphClkInit->PLLSAIDivQ = (uint32_t)((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVQ) >> POSITION_VAL(RCC_DCKCFGR1_PLLSAIDIVQ)); - PeriphClkInit->PLLSAIDivR = (uint32_t)((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVR) >> POSITION_VAL(RCC_DCKCFGR1_PLLSAIDIVR)); - - /* Get the SAI1 clock configuration ----------------------------------------------*/ - PeriphClkInit->Sai1ClockSelection = __HAL_RCC_GET_SAI1_SOURCE(); - - /* Get the SAI2 clock configuration ----------------------------------------------*/ - PeriphClkInit->Sai2ClockSelection = __HAL_RCC_GET_SAI2_SOURCE(); - - /* Get the I2S clock configuration ------------------------------------------*/ - PeriphClkInit->I2sClockSelection = __HAL_RCC_GET_I2SCLKSOURCE(); - - /* Get the I2C1 clock configuration ------------------------------------------*/ - PeriphClkInit->I2c1ClockSelection = __HAL_RCC_GET_I2C1_SOURCE(); - - /* Get the I2C2 clock configuration ------------------------------------------*/ - PeriphClkInit->I2c2ClockSelection = __HAL_RCC_GET_I2C2_SOURCE(); - - /* Get the I2C3 clock configuration ------------------------------------------*/ - PeriphClkInit->I2c3ClockSelection = __HAL_RCC_GET_I2C3_SOURCE(); - - /* Get the I2C4 clock configuration ------------------------------------------*/ - PeriphClkInit->I2c4ClockSelection = __HAL_RCC_GET_I2C4_SOURCE(); - - /* Get the USART1 clock configuration ------------------------------------------*/ - PeriphClkInit->Usart1ClockSelection = __HAL_RCC_GET_USART1_SOURCE(); - - /* Get the USART2 clock configuration ------------------------------------------*/ - PeriphClkInit->Usart2ClockSelection = __HAL_RCC_GET_USART2_SOURCE(); - - /* Get the USART3 clock configuration ------------------------------------------*/ - PeriphClkInit->Usart3ClockSelection = __HAL_RCC_GET_USART3_SOURCE(); - - /* Get the UART4 clock configuration ------------------------------------------*/ - PeriphClkInit->Uart4ClockSelection = __HAL_RCC_GET_UART4_SOURCE(); - - /* Get the UART5 clock configuration ------------------------------------------*/ - PeriphClkInit->Uart5ClockSelection = __HAL_RCC_GET_UART5_SOURCE(); - - /* Get the USART6 clock configuration ------------------------------------------*/ - PeriphClkInit->Usart6ClockSelection = __HAL_RCC_GET_USART6_SOURCE(); - - /* Get the UART7 clock configuration ------------------------------------------*/ - PeriphClkInit->Uart7ClockSelection = __HAL_RCC_GET_UART7_SOURCE(); - - /* Get the UART8 clock configuration ------------------------------------------*/ - PeriphClkInit->Uart8ClockSelection = __HAL_RCC_GET_UART8_SOURCE(); - - /* Get the LPTIM1 clock configuration ------------------------------------------*/ - PeriphClkInit->Lptim1ClockSelection = __HAL_RCC_GET_LPTIM1_SOURCE(); - - /* Get the CEC clock configuration -----------------------------------------------*/ - PeriphClkInit->CecClockSelection = __HAL_RCC_GET_CEC_SOURCE(); - - /* Get the CK48 clock configuration -----------------------------------------------*/ - PeriphClkInit->Clk48ClockSelection = __HAL_RCC_GET_CLK48_SOURCE(); - - /* Get the SDMMC clock configuration -----------------------------------------------*/ - PeriphClkInit->Sdmmc1ClockSelection = __HAL_RCC_GET_SDMMC1_SOURCE(); - - /* Get the RTC Clock configuration -----------------------------------------------*/ - tempreg = (RCC->CFGR & RCC_CFGR_RTCPRE); - PeriphClkInit->RTCClockSelection = (uint32_t)((tempreg) | (RCC->BDCR & RCC_BDCR_RTCSEL)); - - /* Get the TIM Prescaler configuration --------------------------------------------*/ - if ((RCC->DCKCFGR1 & RCC_DCKCFGR1_TIMPRE) == RESET) - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_DESACTIVATED; - } - else - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_ACTIVATED; - } -} - -/** - * @brief Return the peripheral clock frequency for a given peripheral(SAI..) - * @note Return 0 if peripheral clock identifier not managed by this API - * @param PeriphClk: Peripheral clock identifier - * This parameter can be one of the following values: - * @arg RCC_PERIPHCLK_SAI1: SAI1 peripheral clock - * @arg RCC_PERIPHCLK_SAI2: SAI2 peripheral clock - * @retval Frequency in KHz - */ -uint32_t HAL_RCCEx_GetPeriphCLKFreq(uint32_t PeriphClk) -{ - uint32_t tmpreg = 0; - /* This variable is used to store the SAI clock frequency (value in Hz) */ - uint32_t frequency = 0; - /* This variable is used to store the VCO Input (value in Hz) */ - uint32_t vcoinput = 0; - /* This variable is used to store the SAI clock source */ - uint32_t saiclocksource = 0; - - if (PeriphClk == RCC_PERIPHCLK_SAI1) - { - saiclocksource = RCC->DCKCFGR1; - saiclocksource &= RCC_DCKCFGR1_SAI1SEL; - switch (saiclocksource) - { - case 0: /* PLLSAI is the clock source for SAI1 */ - { - /* Configure the PLLSAI division factor */ - /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ - if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) - { - /* In Case the PLL Source is HSI (Internal Clock) */ - vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); - } - else - { - /* In Case the PLL Source is HSE (External Clock) */ - vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); - } - /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ - /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ - tmpreg = (RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> 24; - frequency = (vcoinput * ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> 6))/(tmpreg); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ - tmpreg = (((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVQ) >> 8) + 1); - frequency = frequency/(tmpreg); - break; - } - case RCC_DCKCFGR1_SAI1SEL_0: /* PLLI2S is the clock source for SAI1 */ - { - /* Configure the PLLI2S division factor */ - /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */ - if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) - { - /* In Case the PLL Source is HSI (Internal Clock) */ - vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); - } - else - { - /* In Case the PLL Source is HSE (External Clock) */ - vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); - } - - /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ - /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ - tmpreg = (RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> 24; - frequency = (vcoinput * ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> 6))/(tmpreg); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ - tmpreg = ((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLI2SDIVQ) + 1); - frequency = frequency/(tmpreg); - break; - } - case RCC_DCKCFGR1_SAI1SEL_1: /* External clock is the clock source for SAI1 */ - { - frequency = EXTERNAL_CLOCK_VALUE; - break; - } - default : - { - break; - } - } - } - - if (PeriphClk == RCC_PERIPHCLK_SAI2) - { - saiclocksource = RCC->DCKCFGR1; - saiclocksource &= RCC_DCKCFGR1_SAI2SEL; - switch (saiclocksource) - { - case 0: /* PLLSAI is the clock source for SAI*/ - { - /* Configure the PLLSAI division factor */ - /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ - if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) - { - /* In Case the PLL Source is HSI (Internal Clock) */ - vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); - } - else - { - /* In Case the PLL Source is HSE (External Clock) */ - vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); - } - /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ - /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ - tmpreg = (RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> 24; - frequency = (vcoinput * ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> 6))/(tmpreg); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ - tmpreg = (((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVQ) >> 8) + 1); - frequency = frequency/(tmpreg); - break; - } - case RCC_DCKCFGR1_SAI2SEL_0: /* PLLI2S is the clock source for SAI2 */ - { - /* Configure the PLLI2S division factor */ - /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */ - if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) - { - /* In Case the PLL Source is HSI (Internal Clock) */ - vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); - } - else - { - /* In Case the PLL Source is HSE (External Clock) */ - vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); - } - - /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ - /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ - tmpreg = (RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> 24; - frequency = (vcoinput * ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> 6))/(tmpreg); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ - tmpreg = ((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLI2SDIVQ) + 1); - frequency = frequency/(tmpreg); - break; - } - case RCC_DCKCFGR1_SAI2SEL_1: /* External clock is the clock source for SAI2 */ - { - frequency = EXTERNAL_CLOCK_VALUE; - break; - } - default : - { - break; - } - } - } - - return frequency; -} -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_RCC_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +/** + ****************************************************************************** + * @file stm32f7xx_hal_rcc_ex.c + * @author MCD Application Team + * @version V1.1.0 + * @date 22-April-2016 + * @brief Extension RCC HAL module driver. + * This file provides firmware functions to manage the following + * functionalities RCC extension peripheral: + * + Extended Peripheral Control functions + * + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f7xx_hal.h" + +/** @addtogroup STM32F7xx_HAL_Driver + * @{ + */ + +/** @defgroup RCCEx RCCEx + * @brief RCCEx HAL module driver + * @{ + */ + +#ifdef HAL_RCC_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @defgroup RCCEx_Private_Defines RCCEx Private Defines + * @{ + */ + +#define PLLI2S_TIMEOUT_VALUE 100 /* Timeout value fixed to 100 ms */ +#define PLLSAI_TIMEOUT_VALUE 100 /* Timeout value fixed to 100 ms */ + +/** + * @} + */ +/* Private macro -------------------------------------------------------------*/ +/** @defgroup RCCEx_Private_Macros RCCEx Private Macros + * @{ + */ +/** + * @} + */ + +/** @defgroup RCCEx_Private_Macros RCCEx Private Macros + * @{ + */ + +/** + * @} + */ + + +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup RCCEx_Exported_Functions RCCEx Exported Functions + * @{ + */ + +/** @defgroup RCCEx_Exported_Functions_Group1 Extended Peripheral Control functions + * @brief Extended Peripheral Control functions + * +@verbatim + =============================================================================== + ##### Extended Peripheral Control functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to control the RCC Clocks + frequencies. + [..] + (@) Important note: Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to + select the RTC clock source; in this case the Backup domain will be reset in + order to modify the RTC Clock source, as consequence RTC registers (including + the backup registers) and RCC_BDCR register will be set to their reset values. + +@endverbatim + * @{ + */ +/** + * @brief Initializes the RCC extended peripherals clocks according to the specified + * parameters in the RCC_PeriphCLKInitTypeDef. + * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that + * contains the configuration information for the Extended Peripherals + * clocks(I2S, SAI, LTDC, RTC, TIM, UARTs, USARTs, LTPIM, SDMMC...). + * + * @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select + * the RTC clock source; in this case the Backup domain will be reset in + * order to modify the RTC Clock source, as consequence RTC registers (including + * the backup registers) are set to their reset values. + * + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) +{ + uint32_t tickstart = 0; + uint32_t tmpreg0 = 0; + uint32_t tmpreg1 = 0; + uint32_t plli2sused = 0; + uint32_t pllsaiused = 0; + + /* Check the parameters */ + assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection)); + + /*----------------------------------- I2S configuration ----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == (RCC_PERIPHCLK_I2S)) + { + /* Check the parameters */ + assert_param(IS_RCC_I2SCLKSOURCE(PeriphClkInit->I2sClockSelection)); + + /* Configure I2S Clock source */ + __HAL_RCC_I2S_CONFIG(PeriphClkInit->I2sClockSelection); + + /* Enable the PLLI2S when it's used as clock source for I2S */ + if(PeriphClkInit->I2sClockSelection == RCC_I2SCLKSOURCE_PLLI2S) + { + plli2sused = 1; + } + } + + /*------------------------------------ SAI1 configuration --------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI1) == (RCC_PERIPHCLK_SAI1)) + { + /* Check the parameters */ + assert_param(IS_RCC_SAI1CLKSOURCE(PeriphClkInit->Sai1ClockSelection)); + + /* Configure SAI1 Clock source */ + __HAL_RCC_SAI1_CONFIG(PeriphClkInit->Sai1ClockSelection); + /* Enable the PLLI2S when it's used as clock source for SAI */ + if(PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLI2S) + { + plli2sused = 1; + } + /* Enable the PLLSAI when it's used as clock source for SAI */ + if(PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLSAI) + { + pllsaiused = 1; + } + } + + /*------------------------------------ SAI2 configuration --------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI2) == (RCC_PERIPHCLK_SAI2)) + { + /* Check the parameters */ + assert_param(IS_RCC_SAI2CLKSOURCE(PeriphClkInit->Sai2ClockSelection)); + + /* Configure SAI2 Clock source */ + __HAL_RCC_SAI2_CONFIG(PeriphClkInit->Sai2ClockSelection); + + /* Enable the PLLI2S when it's used as clock source for SAI */ + if(PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLI2S) + { + plli2sused = 1; + } + /* Enable the PLLSAI when it's used as clock source for SAI */ + if(PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLSAI) + { + pllsaiused = 1; + } + } + + /*-------------------------------------- SPDIF-RX Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SPDIFRX) == RCC_PERIPHCLK_SPDIFRX) + { + plli2sused = 1; + } + + /*------------------------------------ RTC configuration --------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_RTC) == (RCC_PERIPHCLK_RTC)) + { + /* Check for RTC Parameters used to output RTCCLK */ + assert_param(IS_RCC_RTCCLKSOURCE(PeriphClkInit->RTCClockSelection)); + + /* Enable Power Clock*/ + __HAL_RCC_PWR_CLK_ENABLE(); + + /* Enable write access to Backup domain */ + PWR->CR1 |= PWR_CR1_DBP; + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait for Backup domain Write protection disable */ + while((PWR->CR1 & PWR_CR1_DBP) == RESET) + { + if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + + /* Reset the Backup domain only if the RTC Clock source selection is modified */ + tmpreg0 = (RCC->BDCR & RCC_BDCR_RTCSEL); + + if((tmpreg0 != 0x00000000U) && (tmpreg0 != (PeriphClkInit->RTCClockSelection & RCC_BDCR_RTCSEL))) + { + /* Store the content of BDCR register before the reset of Backup Domain */ + tmpreg0 = (RCC->BDCR & ~(RCC_BDCR_RTCSEL)); + + /* RTC Clock selection can be changed only if the Backup Domain is reset */ + __HAL_RCC_BACKUPRESET_FORCE(); + __HAL_RCC_BACKUPRESET_RELEASE(); + + /* Restore the Content of BDCR register */ + RCC->BDCR = tmpreg0; + + /* Wait for LSE reactivation if LSE was enable prior to Backup Domain reset */ + if (HAL_IS_BIT_SET(RCC->BDCR, RCC_BDCR_LSEON)) + { + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till LSE is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET) + { + if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + } + __HAL_RCC_RTC_CONFIG(PeriphClkInit->RTCClockSelection); + } + + /*------------------------------------ TIM configuration --------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM) == (RCC_PERIPHCLK_TIM)) + { + /* Check the parameters */ + assert_param(IS_RCC_TIMPRES(PeriphClkInit->TIMPresSelection)); + + /* Configure Timer Prescaler */ + __HAL_RCC_TIMCLKPRESCALER(PeriphClkInit->TIMPresSelection); + } + + /*-------------------------------------- I2C1 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C1) == RCC_PERIPHCLK_I2C1) + { + /* Check the parameters */ + assert_param(IS_RCC_I2C1CLKSOURCE(PeriphClkInit->I2c1ClockSelection)); + + /* Configure the I2C1 clock source */ + __HAL_RCC_I2C1_CONFIG(PeriphClkInit->I2c1ClockSelection); + } + + /*-------------------------------------- I2C2 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C2) == RCC_PERIPHCLK_I2C2) + { + /* Check the parameters */ + assert_param(IS_RCC_I2C2CLKSOURCE(PeriphClkInit->I2c2ClockSelection)); + + /* Configure the I2C2 clock source */ + __HAL_RCC_I2C2_CONFIG(PeriphClkInit->I2c2ClockSelection); + } + + /*-------------------------------------- I2C3 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C3) == RCC_PERIPHCLK_I2C3) + { + /* Check the parameters */ + assert_param(IS_RCC_I2C3CLKSOURCE(PeriphClkInit->I2c3ClockSelection)); + + /* Configure the I2C3 clock source */ + __HAL_RCC_I2C3_CONFIG(PeriphClkInit->I2c3ClockSelection); + } + + /*-------------------------------------- I2C4 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C4) == RCC_PERIPHCLK_I2C4) + { + /* Check the parameters */ + assert_param(IS_RCC_I2C4CLKSOURCE(PeriphClkInit->I2c4ClockSelection)); + + /* Configure the I2C4 clock source */ + __HAL_RCC_I2C4_CONFIG(PeriphClkInit->I2c4ClockSelection); + } + + /*-------------------------------------- USART1 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART1) == RCC_PERIPHCLK_USART1) + { + /* Check the parameters */ + assert_param(IS_RCC_USART1CLKSOURCE(PeriphClkInit->Usart1ClockSelection)); + + /* Configure the USART1 clock source */ + __HAL_RCC_USART1_CONFIG(PeriphClkInit->Usart1ClockSelection); + } + + /*-------------------------------------- USART2 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART2) == RCC_PERIPHCLK_USART2) + { + /* Check the parameters */ + assert_param(IS_RCC_USART2CLKSOURCE(PeriphClkInit->Usart2ClockSelection)); + + /* Configure the USART2 clock source */ + __HAL_RCC_USART2_CONFIG(PeriphClkInit->Usart2ClockSelection); + } + + /*-------------------------------------- USART3 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART3) == RCC_PERIPHCLK_USART3) + { + /* Check the parameters */ + assert_param(IS_RCC_USART3CLKSOURCE(PeriphClkInit->Usart3ClockSelection)); + + /* Configure the USART3 clock source */ + __HAL_RCC_USART3_CONFIG(PeriphClkInit->Usart3ClockSelection); + } + + /*-------------------------------------- UART4 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART4) == RCC_PERIPHCLK_UART4) + { + /* Check the parameters */ + assert_param(IS_RCC_UART4CLKSOURCE(PeriphClkInit->Uart4ClockSelection)); + + /* Configure the UART4 clock source */ + __HAL_RCC_UART4_CONFIG(PeriphClkInit->Uart4ClockSelection); + } + + /*-------------------------------------- UART5 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART5) == RCC_PERIPHCLK_UART5) + { + /* Check the parameters */ + assert_param(IS_RCC_UART5CLKSOURCE(PeriphClkInit->Uart5ClockSelection)); + + /* Configure the UART5 clock source */ + __HAL_RCC_UART5_CONFIG(PeriphClkInit->Uart5ClockSelection); + } + + /*-------------------------------------- USART6 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART6) == RCC_PERIPHCLK_USART6) + { + /* Check the parameters */ + assert_param(IS_RCC_USART6CLKSOURCE(PeriphClkInit->Usart6ClockSelection)); + + /* Configure the USART6 clock source */ + __HAL_RCC_USART6_CONFIG(PeriphClkInit->Usart6ClockSelection); + } + + /*-------------------------------------- UART7 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART7) == RCC_PERIPHCLK_UART7) + { + /* Check the parameters */ + assert_param(IS_RCC_UART7CLKSOURCE(PeriphClkInit->Uart7ClockSelection)); + + /* Configure the UART7 clock source */ + __HAL_RCC_UART7_CONFIG(PeriphClkInit->Uart7ClockSelection); + } + + /*-------------------------------------- UART8 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART8) == RCC_PERIPHCLK_UART8) + { + /* Check the parameters */ + assert_param(IS_RCC_UART8CLKSOURCE(PeriphClkInit->Uart8ClockSelection)); + + /* Configure the UART8 clock source */ + __HAL_RCC_UART8_CONFIG(PeriphClkInit->Uart8ClockSelection); + } + + /*--------------------------------------- CEC Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CEC) == RCC_PERIPHCLK_CEC) + { + /* Check the parameters */ + assert_param(IS_RCC_CECCLKSOURCE(PeriphClkInit->CecClockSelection)); + + /* Configure the CEC clock source */ + __HAL_RCC_CEC_CONFIG(PeriphClkInit->CecClockSelection); + } + + /*-------------------------------------- CK48 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CLK48) == RCC_PERIPHCLK_CLK48) + { + /* Check the parameters */ + assert_param(IS_RCC_CLK48SOURCE(PeriphClkInit->Clk48ClockSelection)); + + /* Configure the CLK48 source */ + __HAL_RCC_CLK48_CONFIG(PeriphClkInit->Clk48ClockSelection); + + /* Enable the PLLSAI when it's used as clock source for CK48 */ + if(PeriphClkInit->Clk48ClockSelection == RCC_CLK48SOURCE_PLLSAIP) + { + pllsaiused = 1; + } + } + + /*-------------------------------------- LTDC Configuration -----------------------------------*/ +#if defined(STM32F746xx) || defined(STM32F756xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx) + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LTDC) == RCC_PERIPHCLK_LTDC) + { + pllsaiused = 1; + } +#endif /* STM32F746xx || STM32F756xx || STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + + /*-------------------------------------- LPTIM1 Configuration -----------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LPTIM1) == RCC_PERIPHCLK_LPTIM1) + { + /* Check the parameters */ + assert_param(IS_RCC_LPTIM1CLK(PeriphClkInit->Lptim1ClockSelection)); + + /* Configure the LTPIM1 clock source */ + __HAL_RCC_LPTIM1_CONFIG(PeriphClkInit->Lptim1ClockSelection); + } + + /*------------------------------------- SDMMC1 Configuration ------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SDMMC1) == RCC_PERIPHCLK_SDMMC1) + { + /* Check the parameters */ + assert_param(IS_RCC_SDMMC1CLKSOURCE(PeriphClkInit->Sdmmc1ClockSelection)); + + /* Configure the SDMMC1 clock source */ + __HAL_RCC_SDMMC1_CONFIG(PeriphClkInit->Sdmmc1ClockSelection); + } + +#if defined (STM32F765xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx) + /*------------------------------------- SDMMC2 Configuration ------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SDMMC2) == RCC_PERIPHCLK_SDMMC2) + { + /* Check the parameters */ + assert_param(IS_RCC_SDMMC2CLKSOURCE(PeriphClkInit->Sdmmc2ClockSelection)); + + /* Configure the SDMMC2 clock source */ + __HAL_RCC_SDMMC2_CONFIG(PeriphClkInit->Sdmmc2ClockSelection); + } + + /*------------------------------------- DFSDM1 Configuration -------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_DFSDM1) == RCC_PERIPHCLK_DFSDM1) + { + /* Check the parameters */ + assert_param(IS_RCC_DFSDM1CLKSOURCE(PeriphClkInit->Dfsdm1ClockSelection)); + + /* Configure the DFSDM1 interface clock source */ + __HAL_RCC_DFSDM1_CONFIG(PeriphClkInit->Dfsdm1ClockSelection); + } + + /*------------------------------------- DFSDM AUDIO Configuration -------------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_DFSDM1_AUDIO) == RCC_PERIPHCLK_DFSDM1_AUDIO) + { + /* Check the parameters */ + assert_param(IS_RCC_DFSDM1AUDIOCLKSOURCE(PeriphClkInit->Dfsdm1AudioClockSelection)); + + /* Configure the DFSDM interface clock source */ + __HAL_RCC_DFSDM1AUDIO_CONFIG(PeriphClkInit->Dfsdm1AudioClockSelection); + } +#endif /* STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + + /*-------------------------------------- PLLI2S Configuration ---------------------------------*/ + /* PLLI2S is configured when a peripheral will use it as source clock : SAI1, SAI2, I2S or SPDIF-RX */ + if((plli2sused == 1) || (PeriphClkInit->PeriphClockSelection == RCC_PERIPHCLK_PLLI2S)) + { + /* Disable the PLLI2S */ + __HAL_RCC_PLLI2S_DISABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till PLLI2S is disabled */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLI2SRDY) != RESET) + { + if((HAL_GetTick() - tickstart) > PLLI2S_TIMEOUT_VALUE) + { + /* return in case of Timeout detected */ + return HAL_TIMEOUT; + } + } + + /* check for common PLLI2S Parameters */ + assert_param(IS_RCC_PLLI2SN_VALUE(PeriphClkInit->PLLI2S.PLLI2SN)); + + /*----------------- In Case of PLLI2S is selected as source clock for I2S -------------------*/ + if(((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == RCC_PERIPHCLK_I2S) && (PeriphClkInit->I2sClockSelection == RCC_I2SCLKSOURCE_PLLI2S))) + { + /* check for Parameters */ + assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); + + /* Read PLLI2SP and PLLI2SQ value from PLLI2SCFGR register (this value is not needed for I2S configuration) */ + tmpreg0 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)); + tmpreg1 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); + /* Configure the PLLI2S division factors */ + /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) x (PLLI2SN/PLLM) */ + /* I2SCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SR */ + __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , tmpreg0, tmpreg1, PeriphClkInit->PLLI2S.PLLI2SR); + } + + /*----------------- In Case of PLLI2S is selected as source clock for SAI -------------------*/ + if(((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI1) == RCC_PERIPHCLK_SAI1) && (PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLI2S)) || + ((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI2) == RCC_PERIPHCLK_SAI2) && (PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLI2S))) + { + /* Check for PLLI2S Parameters */ + assert_param(IS_RCC_PLLI2SQ_VALUE(PeriphClkInit->PLLI2S.PLLI2SQ)); + /* Check for PLLI2S/DIVQ parameters */ + assert_param(IS_RCC_PLLI2S_DIVQ_VALUE(PeriphClkInit->PLLI2SDivQ)); + + /* Read PLLI2SP and PLLI2SR values from PLLI2SCFGR register (this value is not needed for SAI configuration) */ + tmpreg0 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)); + tmpreg1 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); + /* Configure the PLLI2S division factors */ + /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */ + /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ + /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ + __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN, tmpreg0, PeriphClkInit->PLLI2S.PLLI2SQ, tmpreg1); + + /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ + __HAL_RCC_PLLI2S_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLI2SDivQ); + } + + /*----------------- In Case of PLLI2S is selected as source clock for SPDIF-RX -------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SPDIFRX) == RCC_PERIPHCLK_SPDIFRX) + { + /* check for Parameters */ + assert_param(IS_RCC_PLLI2SP_VALUE(PeriphClkInit->PLLI2S.PLLI2SP)); + + /* Read PLLI2SR value from PLLI2SCFGR register (this value is not needed for SPDIF-RX configuration) */ + tmpreg0 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); + tmpreg1 = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); + /* Configure the PLLI2S division factors */ + /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) x (PLLI2SN/PLLM) */ + /* SPDIFCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SP */ + __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SP, tmpreg0, tmpreg1); + } + + /*----------------- In Case of PLLI2S is just selected -----------------*/ + if((PeriphClkInit->PeriphClockSelection & RCC_PERIPHCLK_PLLI2S) == RCC_PERIPHCLK_PLLI2S) + { + /* Check for Parameters */ + assert_param(IS_RCC_PLLI2SP_VALUE(PeriphClkInit->PLLI2S.PLLI2SP)); + assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); + assert_param(IS_RCC_PLLI2SQ_VALUE(PeriphClkInit->PLLI2S.PLLI2SQ)); + + /* Configure the PLLI2S division factors */ + /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) x (PLLI2SN/PLLI2SM) */ + /* SPDIFRXCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SP */ + __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SP, PeriphClkInit->PLLI2S.PLLI2SQ, PeriphClkInit->PLLI2S.PLLI2SR); + } + + /* Enable the PLLI2S */ + __HAL_RCC_PLLI2S_ENABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till PLLI2S is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLI2SRDY) == RESET) + { + if((HAL_GetTick() - tickstart) > PLLI2S_TIMEOUT_VALUE) + { + /* return in case of Timeout detected */ + return HAL_TIMEOUT; + } + } + } + + /*-------------------------------------- PLLSAI Configuration ---------------------------------*/ + /* PLLSAI is configured when a peripheral will use it as source clock : SAI1, SAI2, LTDC or CK48 */ + if(pllsaiused == 1) + { + /* Disable PLLSAI Clock */ + __HAL_RCC_PLLSAI_DISABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till PLLSAI is disabled */ + while(__HAL_RCC_PLLSAI_GET_FLAG() != RESET) + { + if((HAL_GetTick() - tickstart) > PLLSAI_TIMEOUT_VALUE) + { + /* return in case of Timeout detected */ + return HAL_TIMEOUT; + } + } + + /* Check the PLLSAI division factors */ + assert_param(IS_RCC_PLLSAIN_VALUE(PeriphClkInit->PLLSAI.PLLSAIN)); + + /*----------------- In Case of PLLSAI is selected as source clock for SAI -------------------*/ + if(((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI1) == RCC_PERIPHCLK_SAI1) && (PeriphClkInit->Sai1ClockSelection == RCC_SAI1CLKSOURCE_PLLSAI)) ||\ + ((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI2) == RCC_PERIPHCLK_SAI2) && (PeriphClkInit->Sai2ClockSelection == RCC_SAI2CLKSOURCE_PLLSAI))) + { + /* check for PLLSAIQ Parameter */ + assert_param(IS_RCC_PLLSAIQ_VALUE(PeriphClkInit->PLLSAI.PLLSAIQ)); + /* check for PLLSAI/DIVQ Parameter */ + assert_param(IS_RCC_PLLSAI_DIVQ_VALUE(PeriphClkInit->PLLSAIDivQ)); + + /* Read PLLSAIP value from PLLSAICFGR register (this value is not needed for SAI configuration) */ + tmpreg0 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)); + tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); + /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ + /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ + /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ + __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIN , tmpreg0, PeriphClkInit->PLLSAI.PLLSAIQ, tmpreg1); + + /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ + __HAL_RCC_PLLSAI_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLSAIDivQ); + } + + /*----------------- In Case of PLLSAI is selected as source clock for CLK48 -------------------*/ + /* In Case of PLLI2S is selected as source clock for CK48 */ + if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CLK48) == RCC_PERIPHCLK_CLK48) && (PeriphClkInit->Clk48ClockSelection == RCC_CLK48SOURCE_PLLSAIP)) + { + /* check for Parameters */ + assert_param(IS_RCC_PLLSAIP_VALUE(PeriphClkInit->PLLSAI.PLLSAIP)); + /* Read PLLSAIQ and PLLSAIR value from PLLSAICFGR register (this value is not needed for CK48 configuration) */ + tmpreg0 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); + tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); + + /* Configure the PLLSAI division factors */ + /* PLLSAI_VCO = f(VCO clock) = f(PLLSAI clock input) x (PLLI2SN/PLLM) */ + /* 48CLK = f(PLLSAI clock output) = f(VCO clock) / PLLSAIP */ + __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIN , PeriphClkInit->PLLSAI.PLLSAIP, tmpreg0, tmpreg1); + } + +#if defined(STM32F746xx) || defined(STM32F756xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx) + /*---------------------------- LTDC configuration -------------------------------*/ + if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LTDC) == (RCC_PERIPHCLK_LTDC)) + { + assert_param(IS_RCC_PLLSAIR_VALUE(PeriphClkInit->PLLSAI.PLLSAIR)); + assert_param(IS_RCC_PLLSAI_DIVR_VALUE(PeriphClkInit->PLLSAIDivR)); + + /* Read PLLSAIP and PLLSAIQ value from PLLSAICFGR register (these value are not needed for LTDC configuration) */ + tmpreg0 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); + tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)); + + /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ + /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ + /* LTDC_CLK(first level) = PLLSAI_VCO Output/PLLSAIR */ + __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIN , tmpreg1, tmpreg0, PeriphClkInit->PLLSAI.PLLSAIR); + + /* LTDC_CLK = LTDC_CLK(first level)/PLLSAIDIVR */ + __HAL_RCC_PLLSAI_PLLSAICLKDIVR_CONFIG(PeriphClkInit->PLLSAIDivR); + } +#endif /* STM32F746xx || STM32F756xx || STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + + /* Enable PLLSAI Clock */ + __HAL_RCC_PLLSAI_ENABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till PLLSAI is ready */ + while(__HAL_RCC_PLLSAI_GET_FLAG() == RESET) + { + if((HAL_GetTick() - tickstart) > PLLSAI_TIMEOUT_VALUE) + { + /* return in case of Timeout detected */ + return HAL_TIMEOUT; + } + } + } + return HAL_OK; +} + +/** + * @brief Get the RCC_PeriphCLKInitTypeDef according to the internal + * RCC configuration registers. + * @param PeriphClkInit: pointer to the configured RCC_PeriphCLKInitTypeDef structure + * @retval None + */ +void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) +{ + uint32_t tempreg = 0; + + /* Set all possible values for the extended clock type parameter------------*/ +#if defined (STM32F765xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx) + PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_I2S | RCC_PERIPHCLK_LPTIM1 |\ + RCC_PERIPHCLK_SAI1 | RCC_PERIPHCLK_SAI2 |\ + RCC_PERIPHCLK_TIM | RCC_PERIPHCLK_RTC |\ + RCC_PERIPHCLK_CEC | RCC_PERIPHCLK_I2C4 |\ + RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_I2C2 |\ + RCC_PERIPHCLK_I2C3 | RCC_PERIPHCLK_USART1 |\ + RCC_PERIPHCLK_USART2 | RCC_PERIPHCLK_USART3 |\ + RCC_PERIPHCLK_UART4 | RCC_PERIPHCLK_UART5 |\ + RCC_PERIPHCLK_USART6 | RCC_PERIPHCLK_UART7 |\ + RCC_PERIPHCLK_UART8 | RCC_PERIPHCLK_SDMMC1 |\ + RCC_PERIPHCLK_CLK48 | RCC_PERIPHCLK_SDMMC2 |\ + RCC_PERIPHCLK_DFSDM1 | RCC_PERIPHCLK_DFSDM1_AUDIO; +#else + PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_I2S | RCC_PERIPHCLK_LPTIM1 |\ + RCC_PERIPHCLK_SAI1 | RCC_PERIPHCLK_SAI2 |\ + RCC_PERIPHCLK_TIM | RCC_PERIPHCLK_RTC |\ + RCC_PERIPHCLK_CEC | RCC_PERIPHCLK_I2C4 |\ + RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_I2C2 |\ + RCC_PERIPHCLK_I2C3 | RCC_PERIPHCLK_USART1 |\ + RCC_PERIPHCLK_USART2 | RCC_PERIPHCLK_USART3 |\ + RCC_PERIPHCLK_UART4 | RCC_PERIPHCLK_UART5 |\ + RCC_PERIPHCLK_USART6 | RCC_PERIPHCLK_UART7 |\ + RCC_PERIPHCLK_UART8 | RCC_PERIPHCLK_SDMMC1 |\ + RCC_PERIPHCLK_CLK48; +#endif /* STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + + /* Get the PLLI2S Clock configuration -----------------------------------------------*/ + PeriphClkInit->PLLI2S.PLLI2SN = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SN)); + PeriphClkInit->PLLI2S.PLLI2SP = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)); + PeriphClkInit->PLLI2S.PLLI2SQ = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); + PeriphClkInit->PLLI2S.PLLI2SR = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); + + /* Get the PLLSAI Clock configuration -----------------------------------------------*/ + PeriphClkInit->PLLSAI.PLLSAIN = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIN)); + PeriphClkInit->PLLSAI.PLLSAIP = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)); + PeriphClkInit->PLLSAI.PLLSAIQ = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); + PeriphClkInit->PLLSAI.PLLSAIR = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); + + /* Get the PLLSAI/PLLI2S division factors -------------------------------------------*/ + PeriphClkInit->PLLI2SDivQ = (uint32_t)((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLI2SDIVQ) >> POSITION_VAL(RCC_DCKCFGR1_PLLI2SDIVQ)); + PeriphClkInit->PLLSAIDivQ = (uint32_t)((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVQ) >> POSITION_VAL(RCC_DCKCFGR1_PLLSAIDIVQ)); + PeriphClkInit->PLLSAIDivR = (uint32_t)((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVR) >> POSITION_VAL(RCC_DCKCFGR1_PLLSAIDIVR)); + + /* Get the SAI1 clock configuration ----------------------------------------------*/ + PeriphClkInit->Sai1ClockSelection = __HAL_RCC_GET_SAI1_SOURCE(); + + /* Get the SAI2 clock configuration ----------------------------------------------*/ + PeriphClkInit->Sai2ClockSelection = __HAL_RCC_GET_SAI2_SOURCE(); + + /* Get the I2S clock configuration ------------------------------------------*/ + PeriphClkInit->I2sClockSelection = __HAL_RCC_GET_I2SCLKSOURCE(); + + /* Get the I2C1 clock configuration ------------------------------------------*/ + PeriphClkInit->I2c1ClockSelection = __HAL_RCC_GET_I2C1_SOURCE(); + + /* Get the I2C2 clock configuration ------------------------------------------*/ + PeriphClkInit->I2c2ClockSelection = __HAL_RCC_GET_I2C2_SOURCE(); + + /* Get the I2C3 clock configuration ------------------------------------------*/ + PeriphClkInit->I2c3ClockSelection = __HAL_RCC_GET_I2C3_SOURCE(); + + /* Get the I2C4 clock configuration ------------------------------------------*/ + PeriphClkInit->I2c4ClockSelection = __HAL_RCC_GET_I2C4_SOURCE(); + + /* Get the USART1 clock configuration ------------------------------------------*/ + PeriphClkInit->Usart1ClockSelection = __HAL_RCC_GET_USART1_SOURCE(); + + /* Get the USART2 clock configuration ------------------------------------------*/ + PeriphClkInit->Usart2ClockSelection = __HAL_RCC_GET_USART2_SOURCE(); + + /* Get the USART3 clock configuration ------------------------------------------*/ + PeriphClkInit->Usart3ClockSelection = __HAL_RCC_GET_USART3_SOURCE(); + + /* Get the UART4 clock configuration ------------------------------------------*/ + PeriphClkInit->Uart4ClockSelection = __HAL_RCC_GET_UART4_SOURCE(); + + /* Get the UART5 clock configuration ------------------------------------------*/ + PeriphClkInit->Uart5ClockSelection = __HAL_RCC_GET_UART5_SOURCE(); + + /* Get the USART6 clock configuration ------------------------------------------*/ + PeriphClkInit->Usart6ClockSelection = __HAL_RCC_GET_USART6_SOURCE(); + + /* Get the UART7 clock configuration ------------------------------------------*/ + PeriphClkInit->Uart7ClockSelection = __HAL_RCC_GET_UART7_SOURCE(); + + /* Get the UART8 clock configuration ------------------------------------------*/ + PeriphClkInit->Uart8ClockSelection = __HAL_RCC_GET_UART8_SOURCE(); + + /* Get the LPTIM1 clock configuration ------------------------------------------*/ + PeriphClkInit->Lptim1ClockSelection = __HAL_RCC_GET_LPTIM1_SOURCE(); + + /* Get the CEC clock configuration -----------------------------------------------*/ + PeriphClkInit->CecClockSelection = __HAL_RCC_GET_CEC_SOURCE(); + + /* Get the CK48 clock configuration -----------------------------------------------*/ + PeriphClkInit->Clk48ClockSelection = __HAL_RCC_GET_CLK48_SOURCE(); + + /* Get the SDMMC1 clock configuration -----------------------------------------------*/ + PeriphClkInit->Sdmmc1ClockSelection = __HAL_RCC_GET_SDMMC1_SOURCE(); + +#if defined (STM32F765xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx) + /* Get the SDMMC2 clock configuration -----------------------------------------------*/ + PeriphClkInit->Sdmmc2ClockSelection = __HAL_RCC_GET_SDMMC2_SOURCE(); + + /* Get the DFSDM clock configuration -----------------------------------------------*/ + PeriphClkInit->Dfsdm1ClockSelection = __HAL_RCC_GET_DFSDM1_SOURCE(); + + /* Get the DFSDM AUDIO clock configuration -----------------------------------------------*/ + PeriphClkInit->Dfsdm1AudioClockSelection = __HAL_RCC_GET_DFSDM1AUDIO_SOURCE(); +#endif /* STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + + /* Get the RTC Clock configuration -----------------------------------------------*/ + tempreg = (RCC->CFGR & RCC_CFGR_RTCPRE); + PeriphClkInit->RTCClockSelection = (uint32_t)((tempreg) | (RCC->BDCR & RCC_BDCR_RTCSEL)); + + /* Get the TIM Prescaler configuration --------------------------------------------*/ + if ((RCC->DCKCFGR1 & RCC_DCKCFGR1_TIMPRE) == RESET) + { + PeriphClkInit->TIMPresSelection = RCC_TIMPRES_DESACTIVATED; + } + else + { + PeriphClkInit->TIMPresSelection = RCC_TIMPRES_ACTIVATED; + } +} + +/** + * @brief Return the peripheral clock frequency for a given peripheral(SAI..) + * @note Return 0 if peripheral clock identifier not managed by this API + * @param PeriphClk: Peripheral clock identifier + * This parameter can be one of the following values: + * @arg RCC_PERIPHCLK_SAI1: SAI1 peripheral clock + * @arg RCC_PERIPHCLK_SAI2: SAI2 peripheral clock + * @retval Frequency in KHz + */ +uint32_t HAL_RCCEx_GetPeriphCLKFreq(uint32_t PeriphClk) +{ + uint32_t tmpreg = 0; + /* This variable is used to store the SAI clock frequency (value in Hz) */ + uint32_t frequency = 0; + /* This variable is used to store the VCO Input (value in Hz) */ + uint32_t vcoinput = 0; + /* This variable is used to store the SAI clock source */ + uint32_t saiclocksource = 0; + + if (PeriphClk == RCC_PERIPHCLK_SAI1) + { + saiclocksource = RCC->DCKCFGR1; + saiclocksource &= RCC_DCKCFGR1_SAI1SEL; + switch (saiclocksource) + { + case 0: /* PLLSAI is the clock source for SAI1 */ + { + /* Configure the PLLSAI division factor */ + /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ + if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) + { + /* In Case the PLL Source is HSI (Internal Clock) */ + vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); + } + else + { + /* In Case the PLL Source is HSE (External Clock) */ + vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); + } + /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ + /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ + tmpreg = (RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> 24; + frequency = (vcoinput * ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> 6))/(tmpreg); + + /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ + tmpreg = (((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVQ) >> 8) + 1); + frequency = frequency/(tmpreg); + break; + } + case RCC_DCKCFGR1_SAI1SEL_0: /* PLLI2S is the clock source for SAI1 */ + { + /* Configure the PLLI2S division factor */ + /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */ + if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) + { + /* In Case the PLL Source is HSI (Internal Clock) */ + vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); + } + else + { + /* In Case the PLL Source is HSE (External Clock) */ + vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); + } + + /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ + /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ + tmpreg = (RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> 24; + frequency = (vcoinput * ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> 6))/(tmpreg); + + /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ + tmpreg = ((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLI2SDIVQ) + 1); + frequency = frequency/(tmpreg); + break; + } + case RCC_DCKCFGR1_SAI1SEL_1: /* External clock is the clock source for SAI1 */ + { + frequency = EXTERNAL_CLOCK_VALUE; + break; + } +#if defined (STM32F765xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx) + case RCC_DCKCFGR1_SAI1SEL: /* HSI or HSE is the clock source for SAI*/ + { + if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) + { + /* In Case the main PLL Source is HSI */ + frequency = HSI_VALUE; + } + else + { + /* In Case the main PLL Source is HSE */ + frequency = HSE_VALUE; + } + break; + } +#endif /* STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + default : + { + break; + } + } + } + + if (PeriphClk == RCC_PERIPHCLK_SAI2) + { + saiclocksource = RCC->DCKCFGR1; + saiclocksource &= RCC_DCKCFGR1_SAI2SEL; + switch (saiclocksource) + { + case 0: /* PLLSAI is the clock source for SAI*/ + { + /* Configure the PLLSAI division factor */ + /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ + if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) + { + /* In Case the PLL Source is HSI (Internal Clock) */ + vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); + } + else + { + /* In Case the PLL Source is HSE (External Clock) */ + vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); + } + /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ + /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ + tmpreg = (RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> 24; + frequency = (vcoinput * ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> 6))/(tmpreg); + + /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ + tmpreg = (((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLSAIDIVQ) >> 8) + 1); + frequency = frequency/(tmpreg); + break; + } + case RCC_DCKCFGR1_SAI2SEL_0: /* PLLI2S is the clock source for SAI2 */ + { + /* Configure the PLLI2S division factor */ + /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */ + if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) + { + /* In Case the PLL Source is HSI (Internal Clock) */ + vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)); + } + else + { + /* In Case the PLL Source is HSE (External Clock) */ + vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM))); + } + + /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ + /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ + tmpreg = (RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> 24; + frequency = (vcoinput * ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> 6))/(tmpreg); + + /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ + tmpreg = ((RCC->DCKCFGR1 & RCC_DCKCFGR1_PLLI2SDIVQ) + 1); + frequency = frequency/(tmpreg); + break; + } + case RCC_DCKCFGR1_SAI2SEL_1: /* External clock is the clock source for SAI2 */ + { + frequency = EXTERNAL_CLOCK_VALUE; + break; + } +#if defined (STM32F765xx) || defined (STM32F767xx) || defined (STM32F769xx) || defined (STM32F777xx) || defined (STM32F779xx) + case RCC_DCKCFGR1_SAI2SEL: /* HSI or HSE is the clock source for SAI2 */ + { + if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) + { + /* In Case the main PLL Source is HSI */ + frequency = HSI_VALUE; + } + else + { + /* In Case the main PLL Source is HSE */ + frequency = HSE_VALUE; + } + break; + } +#endif /* STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + default : + { + break; + } + } + } + + return frequency; +} + +#if defined (STM32F765xx) || defined(STM32F767xx) || defined(STM32F769xx) || defined(STM32F777xx) || defined(STM32F779xx) +/** + * @brief Initializes the RCC Oscillators according to the specified parameters in the + * RCC_OscInitTypeDef. + * @param RCC_OscInitStruct: pointer to an RCC_OscInitTypeDef structure that + * contains the configuration information for the RCC Oscillators. + * @note The PLL is not disabled when used as system clock. + * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not + * supported by this function. User should request a transition to LSE Off + * first and then LSE On or LSE Bypass. + * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not + * supported by this function. User should request a transition to HSE Off + * first and then HSE On or HSE Bypass. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct) +{ + uint32_t tickstart = 0; + + /* Check the parameters */ + assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType)); + + /*------------------------------- HSE Configuration ------------------------*/ + if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE) + { + /* Check the parameters */ + assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState)); + /* When the HSE is used as system clock or clock source for PLL, It can not be disabled */ + if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSE) + || ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE))) + { + if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF)) + { + return HAL_ERROR; + } + } + else + { + /* Set the new HSE configuration ---------------------------------------*/ + __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState); + + /* Check the HSE State */ + if(RCC_OscInitStruct->HSEState != RCC_HSE_OFF) + { + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till HSE is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET) + { + if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + else + { + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till HSE is bypassed or disabled */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) + { + if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + } + } + /*----------------------------- HSI Configuration --------------------------*/ + if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI) + { + /* Check the parameters */ + assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState)); + assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue)); + + /* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */ + if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSI) + || ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI))) + { + /* When HSI is used as system clock it will not disabled */ + if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON)) + { + return HAL_ERROR; + } + /* Otherwise, just the calibration is allowed */ + else + { + /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/ + __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue); + } + } + else + { + /* Check the HSI State */ + if((RCC_OscInitStruct->HSIState)!= RCC_HSI_OFF) + { + /* Enable the Internal High Speed oscillator (HSI). */ + __HAL_RCC_HSI_ENABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till HSI is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET) + { + if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + + /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/ + __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue); + } + else + { + /* Disable the Internal High Speed oscillator (HSI). */ + __HAL_RCC_HSI_DISABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till HSI is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) + { + if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + } + } + /*------------------------------ LSI Configuration -------------------------*/ + if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI) + { + /* Check the parameters */ + assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState)); + + /* Check the LSI State */ + if((RCC_OscInitStruct->LSIState)!= RCC_LSI_OFF) + { + /* Enable the Internal Low Speed oscillator (LSI). */ + __HAL_RCC_LSI_ENABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till LSI is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET) + { + if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + else + { + /* Disable the Internal Low Speed oscillator (LSI). */ + __HAL_RCC_LSI_DISABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till LSI is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET) + { + if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + } + /*------------------------------ LSE Configuration -------------------------*/ + if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE) + { + /* Check the parameters */ + assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState)); + + /* Enable Power Clock*/ + __HAL_RCC_PWR_CLK_ENABLE(); + + /* Enable write access to Backup domain */ + PWR->CR1 |= PWR_CR1_DBP; + + /* Wait for Backup domain Write protection disable */ + tickstart = HAL_GetTick(); + + while((PWR->CR1 & PWR_CR1_DBP) == RESET) + { + if((HAL_GetTick() - tickstart ) > RCC_DBP_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + + /* Set the new LSE configuration -----------------------------------------*/ + __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState); + /* Check the LSE State */ + if((RCC_OscInitStruct->LSEState) != RCC_LSE_OFF) + { + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till LSE is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET) + { + if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + else + { + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till LSE is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET) + { + if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + } + /*-------------------------------- PLL Configuration -----------------------*/ + /* Check the parameters */ + assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState)); + if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE) + { + /* Check if the PLL is used as system clock or not */ + if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_SYSCLKSOURCE_STATUS_PLLCLK) + { + if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON) + { + /* Check the parameters */ + assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource)); + assert_param(IS_RCC_PLLM_VALUE(RCC_OscInitStruct->PLL.PLLM)); + assert_param(IS_RCC_PLLN_VALUE(RCC_OscInitStruct->PLL.PLLN)); + assert_param(IS_RCC_PLLP_VALUE(RCC_OscInitStruct->PLL.PLLP)); + assert_param(IS_RCC_PLLQ_VALUE(RCC_OscInitStruct->PLL.PLLQ)); + assert_param(IS_RCC_PLLR_VALUE(RCC_OscInitStruct->PLL.PLLR)); + + /* Disable the main PLL. */ + __HAL_RCC_PLL_DISABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till PLL is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET) + { + if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + + /* Configure the main PLL clock source, multiplication and division factors. */ + __HAL_RCC_PLL_CONFIG(RCC_OscInitStruct->PLL.PLLSource, + RCC_OscInitStruct->PLL.PLLM, + RCC_OscInitStruct->PLL.PLLN, + RCC_OscInitStruct->PLL.PLLP, + RCC_OscInitStruct->PLL.PLLQ, + RCC_OscInitStruct->PLL.PLLR); + + /* Enable the main PLL. */ + __HAL_RCC_PLL_ENABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till PLL is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) + { + if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + else + { + /* Disable the main PLL. */ + __HAL_RCC_PLL_DISABLE(); + + /* Get Start Tick*/ + tickstart = HAL_GetTick(); + + /* Wait till PLL is ready */ + while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET) + { + if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE) + { + return HAL_TIMEOUT; + } + } + } + } + else + { + return HAL_ERROR; + } + } + return HAL_OK; +} +#endif /* STM32F767xx || STM32F769xx || STM32F777xx || STM32F779xx */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_RCC_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/