diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c')
-rw-r--r-- | c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c | 861 |
1 files changed, 0 insertions, 861 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c b/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c deleted file mode 100644 index e04960d33e..0000000000 --- a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c +++ /dev/null @@ -1,861 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f7xx_hal_rcc_ex.c - * @author MCD Application Team - * @version V1.0.1 - * @date 25-June-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)) - { - /* Reset the Backup domain only if the RTC Clock source selection is modified */ - if((RCC->BDCR & RCC_BDCR_RTCSEL) != (PeriphClkInit->RTCClockSelection & RCC_BDCR_RTCSEL)) - { - /* 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; - } - } - - /* 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); - } - - /*------------------------------------- SDMMC 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_PLLI2SN_VALUE(PeriphClkInit->PLLI2S.PLLI2SN)); - 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 used to store the SAI clock frequency (value in Hz) */ - uint32_t frequency = 0; - /* This variable used to store the VCO Input (value in Hz) */ - uint32_t vcoinput = 0; - /* This variable used to store the SAI clock source */ - uint32_t saiclocksource = 0; - if ((PeriphClk == RCC_PERIPHCLK_SAI1) || (PeriphClk == RCC_PERIPHCLK_SAI2)) - { - saiclocksource = RCC->DCKCFGR1; - saiclocksource &= (RCC_DCKCFGR1_SAI1SEL | 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_SAI1SEL_0: /* PLLI2S is the clock source for SAI*/ - case RCC_DCKCFGR1_SAI2SEL_0: /* PLLI2S is the clock source for SAI*/ - { - /* 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 SAI*/ - case RCC_DCKCFGR1_SAI2SEL_1: /* External clock is the clock source for SAI*/ - { - frequency = EXTERNAL_CLOCK_VALUE; - break; - } - default : - { - break; - } - } - } - return frequency; -} - -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_RCC_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |