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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c | 2274 |
1 files changed, 0 insertions, 2274 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c deleted file mode 100644 index b5e6c09812..0000000000 --- a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c +++ /dev/null @@ -1,2274 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_rcc_ex.c - * @author MCD Application Team - * @version V1.4.0 - * @date 14-August-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 "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup RCCEx RCCEx - * @brief RCCEx HAL module driver - * @{ - */ - -#ifdef HAL_RCC_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @addtogroup RCCEx_Private_Constants - * @{ - */ -/** - * @} - */ -/* Private macro -------------------------------------------------------------*/ -/* 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 are set to their reset values. - -@endverbatim - * @{ - */ -#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) || \ - defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || \ - defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE) || defined(STM32F446xx) || \ - defined(STM32F469xx) || defined(STM32F479xx) -/** - * @brief Resets the RCC clock configuration to the default reset state. - * @note The default reset state of the clock configuration is given below: - * - HSI ON and used as system clock source - * - HSE, PLL and PLLI2S OFF - * - AHB, APB1 and APB2 prescaler set to 1. - * - CSS, MCO1 and MCO2 OFF - * - All interrupts disabled - * @note This function doesn't modify the configuration of the - * - Peripheral clocks - * - LSI, LSE and RTC clocks - * @retval None - */ -void HAL_RCC_DeInit(void) -{ - /* Set HSION bit */ - SET_BIT(RCC->CR, RCC_CR_HSION | RCC_CR_HSITRIM_4); - - /* Reset CFGR register */ - CLEAR_REG(RCC->CFGR); - - /* Reset HSEON, CSSON, PLLON, PLLI2S */ - CLEAR_BIT(RCC->CR, RCC_CR_HSEON | RCC_CR_CSSON | RCC_CR_PLLON| RCC_CR_PLLI2SON); - - /* Reset PLLCFGR register */ - CLEAR_REG(RCC->PLLCFGR); - SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLM_4 | RCC_PLLCFGR_PLLN_6 | RCC_PLLCFGR_PLLN_7 | RCC_PLLCFGR_PLLQ_2); - - /* Reset PLLI2SCFGR register */ - CLEAR_REG(RCC->PLLI2SCFGR); - SET_BIT(RCC->PLLI2SCFGR, RCC_PLLI2SCFGR_PLLI2SN_6 | RCC_PLLI2SCFGR_PLLI2SN_7 | RCC_PLLI2SCFGR_PLLI2SR_1); - - /* Reset HSEBYP bit */ - CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); - - /* Disable all interrupts */ - CLEAR_REG(RCC->CIR); -} -#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || - STM32F401xC || STM32F401xE || STM32F411xE || STM32F446xx || STM32F469xx || STM32F479xx */ - -#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) -/** - * @brief Resets the RCC clock configuration to the default reset state. - * @note The default reset state of the clock configuration is given below: - * - HSI ON and used as system clock source - * - HSE and PLL OFF - * - AHB, APB1 and APB2 prescaler set to 1. - * - CSS, MCO1 and MCO2 OFF - * - All interrupts disabled - * @note This function doesn't modify the configuration of the - * - Peripheral clocks - * - LSI, LSE and RTC clocks - * @retval None - */ -void HAL_RCC_DeInit(void) -{ - /* Set HSION bit */ - SET_BIT(RCC->CR, RCC_CR_HSION | RCC_CR_HSITRIM_4); - - /* Reset CFGR register */ - CLEAR_REG(RCC->CFGR); - - /* Reset HSEON, CSSON, PLLON */ - CLEAR_BIT(RCC->CR, RCC_CR_HSEON | RCC_CR_CSSON | RCC_CR_PLLON); - - /* Reset PLLCFGR register */ - CLEAR_REG(RCC->PLLCFGR); - SET_BIT(RCC->PLLCFGR, RCC_PLLCFGR_PLLR_1 | RCC_PLLCFGR_PLLM_4 | RCC_PLLCFGR_PLLN_6 | RCC_PLLCFGR_PLLN_7 | RCC_PLLCFGR_PLLQ_2); - - /* Reset HSEBYP bit */ - CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); - - /* Disable all interrupts */ - CLEAR_REG(RCC->CIR); -} -#endif /* STM32F410Tx || STM32F410Cx || STM32F410Rx */ - -#if defined(STM32F446xx) -/** - * @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 and TIM). - * - * @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 tmpreg1 = 0; - uint32_t plli2sp = 0; - uint32_t plli2sq = 0; - uint32_t plli2sr = 0; - uint32_t pllsaip = 0; - uint32_t pllsaiq = 0; - uint32_t plli2sused = 0; - uint32_t pllsaiused = 0; - - /* Check the peripheral clock selection parameters */ - assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection)); - - /*------------------------ I2S APB1 configuration --------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S_APB1) == (RCC_PERIPHCLK_I2S_APB1)) - { - /* Check the parameters */ - assert_param(IS_RCC_I2SAPB1CLKSOURCE(PeriphClkInit->I2sApb1ClockSelection)); - - /* Configure I2S Clock source */ - __HAL_RCC_I2S_APB1_CONFIG(PeriphClkInit->I2sApb1ClockSelection); - /* Enable the PLLI2S when it's used as clock source for I2S */ - if(PeriphClkInit->I2sApb1ClockSelection == RCC_I2SAPB1CLKSOURCE_PLLI2S) - { - plli2sused = 1; - } - } - /*--------------------------------------------------------------------------*/ - - /*---------------------------- I2S APB2 configuration ----------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S_APB2) == (RCC_PERIPHCLK_I2S_APB2)) - { - /* Check the parameters */ - assert_param(IS_RCC_I2SAPB2CLKSOURCE(PeriphClkInit->I2sApb2ClockSelection)); - - /* Configure I2S Clock source */ - __HAL_RCC_I2S_APB2_CONFIG(PeriphClkInit->I2sApb2ClockSelection); - /* Enable the PLLI2S when it's used as clock source for I2S */ - if(PeriphClkInit->I2sApb2ClockSelection == RCC_I2SAPB2CLKSOURCE_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; - } - } - /*--------------------------------------------------------------------------*/ - - /*----------------------------- 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->CR |= PWR_CR_DBP; - - /* Get tick */ - tickstart = HAL_GetTick(); - - while((PWR->CR & PWR_CR_DBP) == RESET) - { - if((HAL_GetTick() - tickstart ) > RCC_DBP_TIMEOUT_VALUE) - { - return HAL_TIMEOUT; - } - } - /* Reset the Backup domain only if the RTC Clock source selction 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 */ - tmpreg1 = (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 = tmpreg1; - - /* Wait for LSERDY if LSE was enabled */ - if(HAL_IS_BIT_SET(tmpreg1, RCC_BDCR_LSERDY)) - { - /* Get 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)) - { - /* Configure Timer Prescaler */ - __HAL_RCC_TIMCLKPRESCALER(PeriphClkInit->TIMPresSelection); - } - /*--------------------------------------------------------------------------*/ - - /*---------------------------- FMPI2C1 Configuration -----------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_FMPI2C1) == RCC_PERIPHCLK_FMPI2C1) - { - /* Check the parameters */ - assert_param(IS_RCC_FMPI2C1CLKSOURCE(PeriphClkInit->Fmpi2c1ClockSelection)); - - /* Configure the FMPI2C1 clock source */ - __HAL_RCC_FMPI2C1_CONFIG(PeriphClkInit->Fmpi2c1ClockSelection); - } - /*--------------------------------------------------------------------------*/ - - /*------------------------------ 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_CK48) == RCC_PERIPHCLK_CK48) - { - /* Check the parameters */ - assert_param(IS_RCC_CK48CLKSOURCE(PeriphClkInit->Clk48ClockSelection)); - - /* Configure the CK48 clock source */ - __HAL_RCC_CLK48_CONFIG(PeriphClkInit->Clk48ClockSelection); - - /* Enable the PLLSAI when it's used as clock source for CK48 */ - if(PeriphClkInit->Clk48ClockSelection == RCC_CK48CLKSOURCE_PLLSAIP) - { - pllsaiused = 1; - } - } - /*--------------------------------------------------------------------------*/ - - /*----------------------------- SDIO Configuration -------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SDIO) == RCC_PERIPHCLK_SDIO) - { - /* Check the parameters */ - assert_param(IS_RCC_SDIOCLKSOURCE(PeriphClkInit->SdioClockSelection)); - - /* Configure the SDIO clock source */ - __HAL_RCC_SDIO_CONFIG(PeriphClkInit->SdioClockSelection); - } - /*--------------------------------------------------------------------------*/ - - /*------------------------------ SPDIFRX Configuration ---------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SPDIFRX) == RCC_PERIPHCLK_SPDIFRX) - { - /* Check the parameters */ - assert_param(IS_RCC_SPDIFRXCLKSOURCE(PeriphClkInit->SpdifClockSelection)); - - /* Configure the SPDIFRX clock source */ - __HAL_RCC_SPDIFRX_CONFIG(PeriphClkInit->SpdifClockSelection); - /* Enable the PLLI2S when it's used as clock source for SPDIFRX */ - if(PeriphClkInit->SpdifClockSelection == RCC_SPDIFRXCLKSOURCE_PLLI2SP) - { - plli2sused = 1; - } - } - /*--------------------------------------------------------------------------*/ - - /*---------------------------- PLLI2S Configuration ------------------------*/ - /* PLLI2S is configured when a peripheral will use it as source clock : SAI1, SAI2, I2S on APB1, - I2S on APB2 or SPDIFRX */ - if((plli2sused == 1) || (PeriphClkInit->PeriphClockSelection == RCC_PERIPHCLK_PLLI2S)) - { - /* Disable the PLLI2S */ - __HAL_RCC_PLLI2S_DISABLE(); - /* Get 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_PLLI2SM_VALUE(PeriphClkInit->PLLI2S.PLLI2SM)); - 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_APB1) == RCC_PERIPHCLK_I2S_APB1) && (PeriphClkInit->I2sApb1ClockSelection == RCC_I2SAPB1CLKSOURCE_PLLI2S)) || - ((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S_APB2) == RCC_PERIPHCLK_I2S_APB2) && (PeriphClkInit->I2sApb2ClockSelection == RCC_I2SAPB2CLKSOURCE_PLLI2S))) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); - - /* Read PLLI2SP/PLLI2SQ value from PLLI2SCFGR register (this value is not needed for I2S configuration) */ - plli2sp = ((((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)) + 1) << 1); - plli2sq = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) * (PLLI2SN/PLLI2SM) */ - /* I2SCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SR */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SM, PeriphClkInit->PLLI2S.PLLI2SN , plli2sp, plli2sq, 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/PLLI2SR value from PLLI2SCFGR register (this value is not needed for SAI configuration) */ - plli2sp = ((((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)) + 1) << 1); - plli2sr = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO Input = PLL_SOURCE/PLLI2SM */ - /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ - /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SM, PeriphClkInit->PLLI2S.PLLI2SN , plli2sp, PeriphClkInit->PLLI2S.PLLI2SQ, plli2sr); - - /* 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 SPDIFRX -------*/ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SPDIFRX) == RCC_PERIPHCLK_SPDIFRX) && (PeriphClkInit->SpdifClockSelection == RCC_SPDIFRXCLKSOURCE_PLLI2SP)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SP_VALUE(PeriphClkInit->PLLI2S.PLLI2SP)); - /* Read PLLI2SR value from PLLI2SCFGR register (this value is not need for SAI configuration) */ - plli2sq = ((((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SP) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SP)) + 1) << 1); - plli2sr = ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) * (PLLI2SN/PLLI2SM) */ - /* SPDIFRXCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SP */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SM, PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SP, plli2sq, plli2sr); - } - - /*----------------- 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) * (PLLI2SN/PLLI2SM) */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SM, PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SP, PeriphClkInit->PLLI2S.PLLI2SQ, PeriphClkInit->PLLI2S.PLLI2SR); - } - - /* Enable the PLLI2S */ - __HAL_RCC_PLLI2S_ENABLE(); - /* Get 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, CK48 or SDIO */ - if(pllsaiused == 1) - { - /* Disable PLLSAI Clock */ - __HAL_RCC_PLLSAI_DISABLE(); - /* Get 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_PLLSAIM_VALUE(PeriphClkInit->PLLSAI.PLLSAIM)); - 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) */ - pllsaip = ((((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)) + 1) << 1); - /* 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.PLLSAIM, PeriphClkInit->PLLSAI.PLLSAIN , pllsaip, PeriphClkInit->PLLSAI.PLLSAIQ, 0); - - /* 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 CK48 ----------*/ - /* In Case of PLLI2S is selected as source clock for CK48 */ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CK48) == RCC_PERIPHCLK_CK48) && (PeriphClkInit->Clk48ClockSelection == RCC_CK48CLKSOURCE_PLLSAIP)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLSAIP_VALUE(PeriphClkInit->PLLSAI.PLLSAIP)); - /* Read PLLSAIQ value from PLLI2SCFGR register (this value is not need for SAI configuration) */ - pllsaiq = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - /* Configure the PLLSAI division factors */ - /* PLLSAI_VCO = f(VCO clock) = f(PLLSAI clock input) * (PLLI2SN/PLLSAIM) */ - /* 48CLK = f(PLLSAI clock output) = f(VCO clock) / PLLSAIP */ - __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIM, PeriphClkInit->PLLSAI.PLLSAIN , PeriphClkInit->PLLSAI.PLLSAIP, pllsaiq, 0); - } - - /* Enable PLLSAI Clock */ - __HAL_RCC_PLLSAI_ENABLE(); - /* Get 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 an RCC_PeriphCLKInitTypeDef structure that - * will be configured. - * @retval None - */ -void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tempreg; - - /* Set all possible values for the extended clock type parameter------------*/ - PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_I2S_APB1 | RCC_PERIPHCLK_I2S_APB2 |\ - RCC_PERIPHCLK_SAI1 | RCC_PERIPHCLK_SAI2 |\ - RCC_PERIPHCLK_TIM | RCC_PERIPHCLK_RTC |\ - RCC_PERIPHCLK_CEC | RCC_PERIPHCLK_FMPI2C1 |\ - RCC_PERIPHCLK_CK48 | RCC_PERIPHCLK_SDIO |\ - RCC_PERIPHCLK_SPDIFRX; - - /* Get the PLLI2S Clock configuration --------------------------------------*/ - PeriphClkInit->PLLI2S.PLLI2SM = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SM) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SM)); - 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)) + 1) << 1); - 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.PLLSAIM = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIM) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIM)); - 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)) + 1) << 1); - PeriphClkInit->PLLSAI.PLLSAIQ = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - /* Get the PLLSAI/PLLI2S division factors ----------------------------------*/ - PeriphClkInit->PLLI2SDivQ = (uint32_t)((RCC->DCKCFGR & RCC_DCKCFGR_PLLI2SDIVQ) >> POSITION_VAL(RCC_DCKCFGR_PLLI2SDIVQ)); - PeriphClkInit->PLLSAIDivQ = (uint32_t)((RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVQ) >> POSITION_VAL(RCC_DCKCFGR_PLLSAIDIVQ)); - - /* 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 APB1 clock configuration ------------------------------------*/ - PeriphClkInit->I2sApb1ClockSelection = __HAL_RCC_GET_I2S_APB1_SOURCE(); - - /* Get the I2S APB2 clock configuration ------------------------------------*/ - PeriphClkInit->I2sApb2ClockSelection = __HAL_RCC_GET_I2S_APB2_SOURCE(); - - /* Get the RTC Clock configuration -----------------------------------------*/ - tempreg = (RCC->CFGR & RCC_CFGR_RTCPRE); - PeriphClkInit->RTCClockSelection = (uint32_t)((tempreg) | (RCC->BDCR & RCC_BDCR_RTCSEL)); - - /* Get the CEC clock configuration -----------------------------------------*/ - PeriphClkInit->CecClockSelection = __HAL_RCC_GET_CEC_SOURCE(); - - /* Get the FMPI2C1 clock configuration -------------------------------------*/ - PeriphClkInit->Fmpi2c1ClockSelection = __HAL_RCC_GET_FMPI2C1_SOURCE(); - - /* Get the CK48 clock configuration ----------------------------------------*/ - PeriphClkInit->Clk48ClockSelection = __HAL_RCC_GET_CLK48_SOURCE(); - - /* Get the SDIO clock configuration ----------------------------------------*/ - PeriphClkInit->SdioClockSelection = __HAL_RCC_GET_SDIO_SOURCE(); - - /* Get the SPDIFRX clock configuration -------------------------------------*/ - PeriphClkInit->SpdifClockSelection = __HAL_RCC_GET_SPDIFRX_SOURCE(); - - /* Get the TIM Prescaler configuration -------------------------------------*/ - if ((RCC->DCKCFGR & RCC_DCKCFGR_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 tmpreg1 = 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->DCKCFGR; - saiclocksource &= (RCC_DCKCFGR_SAI1SRC | RCC_DCKCFGR_SAI2SRC); - switch (saiclocksource) - { - case 0: /* PLLSAI is the clock source for SAI*/ - { - /* Configure the PLLSAI division factor */ - /* PLLSAI_VCO Input = PLL_SOURCE/PLLSAIM */ - if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) - { - /* In Case the PLL Source is HSI (Internal Clock) */ - vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIM)); - } - else - { - /* In Case the PLL Source is HSE (External Clock) */ - vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIM))); - } - /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ - /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */ - tmpreg1 = (RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> 24; - frequency = (vcoinput * ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> 6))/(tmpreg1); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ - tmpreg1 = (((RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVQ) >> 8) + 1); - frequency = frequency/(tmpreg1); - break; - } - case RCC_DCKCFGR_SAI1SRC_0: /* PLLI2S is the clock source for SAI*/ - case RCC_DCKCFGR_SAI2SRC_0: /* PLLI2S is the clock source for SAI*/ - { - /* Configure the PLLI2S division factor */ - /* PLLI2S_VCO Input = PLL_SOURCE/PLLI2SM */ - if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) - { - /* In Case the PLL Source is HSI (Internal Clock) */ - vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SM)); - } - else - { - /* In Case the PLL Source is HSE (External Clock) */ - vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SM))); - } - - /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */ - /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */ - tmpreg1 = (RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> 24; - frequency = (vcoinput * ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> 6))/(tmpreg1); - - /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ - tmpreg1 = ((RCC->DCKCFGR & RCC_DCKCFGR_PLLI2SDIVQ) + 1); - frequency = frequency/(tmpreg1); - break; - } - case RCC_DCKCFGR_SAI1SRC_1: /* PLLR is the clock source for SAI*/ - case RCC_DCKCFGR_SAI2SRC_1: /* PLLR is the clock source for SAI*/ - { - /* Configure the PLLI2S division factor */ - /* PLL_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))); - } - - /* PLL_VCO Output = PLL_VCO Input * PLLN */ - /* SAI_CLK_x = PLL_VCO Output/PLLR */ - tmpreg1 = (RCC->PLLCFGR & RCC_PLLCFGR_PLLR) >> 28; - frequency = (vcoinput * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6))/(tmpreg1); - break; - } - case RCC_DCKCFGR_SAI1SRC: /* External clock is the clock source for SAI*/ - { - frequency = EXTERNAL_CLOCK_VALUE; - break; - } - case RCC_DCKCFGR_SAI2SRC: /* PLLSRC(HSE or HSI) is the clock source for SAI*/ - { - if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI) - { - /* In Case the PLL Source is HSI (Internal Clock) */ - frequency = (uint32_t)(HSI_VALUE); - } - else - { - /* In Case the PLL Source is HSE (External Clock) */ - frequency = (uint32_t)(HSE_VALUE); - } - break; - } - default : - { - break; - } - } - } - return frequency; -} - -#endif /* STM32F446xx */ - -#if defined(STM32F469xx) || defined(STM32F479xx) -/** - * @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 and TIM). - * - * @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 tmpreg1 = 0; - uint32_t pllsaip = 0; - uint32_t pllsaiq = 0; - uint32_t pllsair = 0; - - /* Check the parameters */ - assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection)); - - /*--------------------------- CLK48 Configuration --------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CK48) == RCC_PERIPHCLK_CK48) - { - /* Check the parameters */ - assert_param(IS_RCC_CK48CLKSOURCE(PeriphClkInit->Clk48ClockSelection)); - - /* Configure the CLK48 clock source */ - __HAL_RCC_CLK48_CONFIG(PeriphClkInit->Clk48ClockSelection); - } - /*--------------------------------------------------------------------------*/ - - /*------------------------------ SDIO Configuration ------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SDIO) == RCC_PERIPHCLK_SDIO) - { - /* Check the parameters */ - assert_param(IS_RCC_SDIOCLKSOURCE(PeriphClkInit->SdioClockSelection)); - - /* Configure the SDIO clock source */ - __HAL_RCC_SDIO_CONFIG(PeriphClkInit->SdioClockSelection); - } - /*--------------------------------------------------------------------------*/ - - /*----------------------- SAI/I2S Configuration (PLLI2S) -------------------*/ - /*------------------- Common configuration SAI/I2S -------------------------*/ - /* In Case of SAI or I2S Clock Configuration through PLLI2S, PLLI2SN division - factor is common parameters for both peripherals */ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == RCC_PERIPHCLK_I2S) || - (((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLI2S) == RCC_PERIPHCLK_SAI_PLLI2S) || - (((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_PLLI2S) == RCC_PERIPHCLK_PLLI2S)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SN_VALUE(PeriphClkInit->PLLI2S.PLLI2SN)); - - /* Disable the PLLI2S */ - __HAL_RCC_PLLI2S_DISABLE(); - /* Get 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; - } - } - - /*---------------------- I2S configuration -------------------------------*/ - /* In Case of I2S Clock Configuration through PLLI2S, PLLI2SR must be added - only for I2S configuration */ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == (RCC_PERIPHCLK_I2S)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) × (PLLI2SN/PLLM) */ - /* I2SCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SR */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SR); - } - - /*---------------------------- SAI configuration -------------------------*/ - /* In Case of SAI Clock Configuration through PLLI2S, PLLI2SQ and PLLI2S_DIVQ must - be added only for SAI configuration */ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLI2S) == (RCC_PERIPHCLK_SAI_PLLI2S)) - { - /* Check the PLLI2S division factors */ - assert_param(IS_RCC_PLLI2SQ_VALUE(PeriphClkInit->PLLI2S.PLLI2SQ)); - assert_param(IS_RCC_PLLI2S_DIVQ_VALUE(PeriphClkInit->PLLI2SDivQ)); - - /* Read PLLI2SR value from PLLI2SCFGR register (this value is not need for SAI configuration) */ - 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_SAICLK_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SQ , tmpreg1); - /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ - __HAL_RCC_PLLI2S_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLI2SDivQ); - } - - /*----------------- In Case of PLLI2S is just selected -----------------*/ - if((PeriphClkInit->PeriphClockSelection & RCC_PERIPHCLK_PLLI2S) == RCC_PERIPHCLK_PLLI2S) - { - /* Check for Parameters */ - assert_param(IS_RCC_PLLI2SQ_VALUE(PeriphClkInit->PLLI2S.PLLI2SQ)); - assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); - - /* Configure the PLLI2S multiplication and division factors */ - __HAL_RCC_PLLI2S_SAICLK_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN, PeriphClkInit->PLLI2S.PLLI2SQ, PeriphClkInit->PLLI2S.PLLI2SR); - } - - /* Enable the PLLI2S */ - __HAL_RCC_PLLI2S_ENABLE(); - /* Get 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; - } - } - } - /*--------------------------------------------------------------------------*/ - - /*----------------------- SAI/LTDC Configuration (PLLSAI) ------------------*/ - /*----------------------- Common configuration SAI/LTDC --------------------*/ - /* In Case of SAI, LTDC or CLK48 Clock Configuration through PLLSAI, PLLSAIN division - factor is common parameters for these peripherals */ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLSAI) == RCC_PERIPHCLK_SAI_PLLSAI) || - (((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LTDC) == RCC_PERIPHCLK_LTDC) || - ((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CK48) == RCC_PERIPHCLK_CK48) && - (PeriphClkInit->Clk48ClockSelection == RCC_CK48CLKSOURCE_PLLSAIP))) - { - /* Check the PLLSAI division factors */ - assert_param(IS_RCC_PLLSAIN_VALUE(PeriphClkInit->PLLSAI.PLLSAIN)); - - /* Disable PLLSAI Clock */ - __HAL_RCC_PLLSAI_DISABLE(); - /* Get 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; - } - } - - /*---------------------------- SAI configuration -------------------------*/ - /* In Case of SAI Clock Configuration through PLLSAI, PLLSAIQ and PLLSAI_DIVQ must - be added only for SAI configuration */ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLSAI) == (RCC_PERIPHCLK_SAI_PLLSAI)) - { - assert_param(IS_RCC_PLLSAIQ_VALUE(PeriphClkInit->PLLSAI.PLLSAIQ)); - assert_param(IS_RCC_PLLSAI_DIVQ_VALUE(PeriphClkInit->PLLSAIDivQ)); - - /* Read PLLSAIP value from PLLSAICFGR register (this value is not needed for SAI configuration) */ - pllsaip = ((((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)) + 1) << 1); - /* Read PLLSAIR value from PLLSAICFGR register (this value is not need for SAI configuration) */ - pllsair = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> 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, pllsaip, PeriphClkInit->PLLSAI.PLLSAIQ, pllsair); - /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ - __HAL_RCC_PLLSAI_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLSAIDivQ); - } - - /*---------------------------- 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 value from PLLSAICFGR register (this value is not needed for SAI configuration) */ - pllsaip = ((((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIP) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIP)) + 1) << 1); - /* Read PLLSAIQ value from PLLSAICFGR register (this value is not need for SAI configuration) */ - pllsaiq = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - /* 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, pllsaip, pllsaiq, PeriphClkInit->PLLSAI.PLLSAIR); - /* LTDC_CLK = LTDC_CLK(first level)/PLLSAIDIVR */ - __HAL_RCC_PLLSAI_PLLSAICLKDIVR_CONFIG(PeriphClkInit->PLLSAIDivR); - } - - /*---------------------------- CLK48 configuration ------------------------*/ - /* Configure the PLLSAI when it is used as clock source for CLK48 */ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CK48) == (RCC_PERIPHCLK_CK48)) && - (PeriphClkInit->Clk48ClockSelection == RCC_CK48CLKSOURCE_PLLSAIP)) - { - assert_param(IS_RCC_PLLSAIP_VALUE(PeriphClkInit->PLLSAI.PLLSAIP)); - - /* Read PLLSAIQ value from PLLSAICFGR register (this value is not need for SAI configuration) */ - pllsaiq = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - /* Read PLLSAIR value from PLLSAICFGR register (this value is not need for SAI configuration) */ - pllsair = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); - /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */ - /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */ - /* CLK48_CLK(first level) = PLLSAI_VCO Output/PLLSAIP */ - __HAL_RCC_PLLSAI_CONFIG(PeriphClkInit->PLLSAI.PLLSAIN, PeriphClkInit->PLLSAI.PLLSAIP, pllsaiq, pllsair); - } - - /* Enable PLLSAI Clock */ - __HAL_RCC_PLLSAI_ENABLE(); - /* Get 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; - } - } - } - - /*--------------------------------------------------------------------------*/ - - /*---------------------------- 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->CR |= PWR_CR_DBP; - - /* Get tick */ - tickstart = HAL_GetTick(); - - while((PWR->CR & PWR_CR_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 */ - tmpreg1 = (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 = tmpreg1; - - /* Wait for LSERDY if LSE was enabled */ - if(HAL_IS_BIT_SET(tmpreg1, RCC_BDCR_LSERDY)) - { - /* Get 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)) - { - __HAL_RCC_TIMCLKPRESCALER(PeriphClkInit->TIMPresSelection); - } - return HAL_OK; -} - -/** - * @brief Configures the RCC_PeriphCLKInitTypeDef according to the internal - * RCC configuration registers. - * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that - * will be configured. - * @retval None - */ -void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tempreg; - - /* Set all possible values for the extended clock type parameter------------*/ - PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_I2S | RCC_PERIPHCLK_SAI_PLLSAI |\ - RCC_PERIPHCLK_SAI_PLLI2S | RCC_PERIPHCLK_LTDC |\ - RCC_PERIPHCLK_TIM | RCC_PERIPHCLK_RTC |\ - RCC_PERIPHCLK_CK48 | RCC_PERIPHCLK_SDIO; - - /* Get the PLLI2S Clock configuration --------------------------------------*/ - PeriphClkInit->PLLI2S.PLLI2SN = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SN)); - PeriphClkInit->PLLI2S.PLLI2SR = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); - PeriphClkInit->PLLI2S.PLLI2SQ = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); - /* Get the PLLSAI Clock configuration --------------------------------------*/ - PeriphClkInit->PLLSAI.PLLSAIN = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIN)); - PeriphClkInit->PLLSAI.PLLSAIR = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); - PeriphClkInit->PLLSAI.PLLSAIQ = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - /* Get the PLLSAI/PLLI2S division factors ----------------------------------*/ - PeriphClkInit->PLLI2SDivQ = (uint32_t)((RCC->DCKCFGR & RCC_DCKCFGR_PLLI2SDIVQ) >> POSITION_VAL(RCC_DCKCFGR_PLLI2SDIVQ)); - PeriphClkInit->PLLSAIDivQ = (uint32_t)((RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVQ) >> POSITION_VAL(RCC_DCKCFGR_PLLSAIDIVQ)); - PeriphClkInit->PLLSAIDivR = (uint32_t)(RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVR); - /* Get the RTC Clock configuration -----------------------------------------*/ - tempreg = (RCC->CFGR & RCC_CFGR_RTCPRE); - PeriphClkInit->RTCClockSelection = (uint32_t)((tempreg) | (RCC->BDCR & RCC_BDCR_RTCSEL)); - - /* Get the CK48 clock configuration --------------------------------------*/ - PeriphClkInit->Clk48ClockSelection = __HAL_RCC_GET_CLK48_SOURCE(); - - /* Get the SDIO clock configuration ----------------------------------------*/ - PeriphClkInit->SdioClockSelection = __HAL_RCC_GET_SDIO_SOURCE(); - - if ((RCC->DCKCFGR & RCC_DCKCFGR_TIMPRE) == RESET) - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_DESACTIVATED; - } - else - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_ACTIVATED; - } -} -#endif /* STM32F469xx || STM32F479xx */ - -#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) -/** - * @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 and RTC clocks). - * - * @note A caution to be taken when HAL_RCCEx_PeriphCLKConfig() is used to select RTC clock selection, in this case - * the Reset of Backup domain will be applied in order to modify the RTC Clock source as consequence all backup - * domain (RTC and RCC_BDCR register expect BKPSRAM) will be reset - * - * @retval HAL status - */ -HAL_StatusTypeDef HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tickstart = 0; - uint32_t tmpreg1 = 0; - - /* Check the parameters */ - assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection)); - - /*---------------------------- 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->CR |= PWR_CR_DBP; - - /* Get tick */ - tickstart = HAL_GetTick(); - - while((PWR->CR & PWR_CR_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 */ - tmpreg1 = (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 = tmpreg1; - - /* Wait for LSERDY if LSE was enabled */ - if(HAL_IS_BIT_SET(tmpreg1, RCC_BDCR_LSERDY)) - { - /* Get 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)) - { - __HAL_RCC_TIMCLKPRESCALER(PeriphClkInit->TIMPresSelection); - } - /*--------------------------------------------------------------------------*/ - - /*---------------------------- FMPI2C1 Configuration -----------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_FMPI2C1) == RCC_PERIPHCLK_FMPI2C1) - { - /* Check the parameters */ - assert_param(IS_RCC_FMPI2C1CLKSOURCE(PeriphClkInit->Fmpi2c1ClockSelection)); - - /* Configure the FMPI2C1 clock source */ - __HAL_RCC_FMPI2C1_CONFIG(PeriphClkInit->Fmpi2c1ClockSelection); - } - /*--------------------------------------------------------------------------*/ - - /*---------------------------- LPTIM1 Configuration ------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LPTIM1) == RCC_PERIPHCLK_LPTIM1) - { - /* Check the parameters */ - assert_param(IS_RCC_LPTIM1CLKSOURCE(PeriphClkInit->Lptim1ClockSelection)); - - /* Configure the LPTIM1 clock source */ - __HAL_RCC_LPTIM1_CONFIG(PeriphClkInit->Lptim1ClockSelection); - } - - /*---------------------------- I2S Configuration ------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == RCC_PERIPHCLK_I2S) - { - /* Check the parameters */ - assert_param(IS_RCC_I2SAPBCLKSOURCE(PeriphClkInit->I2SClockSelection)); - - /* Configure the I2S clock source */ - __HAL_RCC_I2S_CONFIG(PeriphClkInit->I2SClockSelection); - } - - return HAL_OK; -} - -/** - * @brief Configures the RCC_OscInitStruct according to the internal - * RCC configuration registers. - * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that - * will be configured. - * @retval None - */ -void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tempreg; - - /* Set all possible values for the extended clock type parameter------------*/ - PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_FMPI2C1 | RCC_PERIPHCLK_LPTIM1 | RCC_PERIPHCLK_TIM | RCC_PERIPHCLK_RTC; - - tempreg = (RCC->CFGR & RCC_CFGR_RTCPRE); - PeriphClkInit->RTCClockSelection = (uint32_t)((tempreg) | (RCC->BDCR & RCC_BDCR_RTCSEL)); - - if ((RCC->DCKCFGR & RCC_DCKCFGR_TIMPRE) == RESET) - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_DESACTIVATED; - } - else - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_ACTIVATED; - } - /* Get the FMPI2C1 clock configuration -------------------------------------*/ - PeriphClkInit->Fmpi2c1ClockSelection = __HAL_RCC_GET_FMPI2C1_SOURCE(); - - /* Get the I2S clock configuration -----------------------------------------*/ - PeriphClkInit->I2SClockSelection = __HAL_RCC_GET_I2S_SOURCE(); - - -} -#endif /* STM32F410Tx || STM32F410Cx || STM32F410Rx */ - -#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) -/** - * @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 and TIM). - * - * @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 tmpreg1 = 0; - - /* Check the parameters */ - assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection)); - - /*----------------------- SAI/I2S Configuration (PLLI2S) -------------------*/ - /*----------------------- Common configuration SAI/I2S ----------------------*/ - /* In Case of SAI or I2S Clock Configuration through PLLI2S, PLLI2SN division - factor is common parameters for both peripherals */ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == RCC_PERIPHCLK_I2S) || - (((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLI2S) == RCC_PERIPHCLK_SAI_PLLI2S)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SN_VALUE(PeriphClkInit->PLLI2S.PLLI2SN)); - - /* Disable the PLLI2S */ - __HAL_RCC_PLLI2S_DISABLE(); - /* Get 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; - } - } - - /*---------------------------- I2S configuration -------------------------------*/ - /* In Case of I2S Clock Configuration through PLLI2S, PLLI2SR must be added - only for I2S configuration */ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == (RCC_PERIPHCLK_I2S)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) * (PLLI2SN/PLLM) */ - /* I2SCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SR */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SR); - } - - /*---------------------------- SAI configuration -------------------------------*/ - /* In Case of SAI Clock Configuration through PLLI2S, PLLI2SQ and PLLI2S_DIVQ must - be added only for SAI configuration */ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLI2S) == (RCC_PERIPHCLK_SAI_PLLI2S)) - { - /* Check the PLLI2S division factors */ - assert_param(IS_RCC_PLLI2SQ_VALUE(PeriphClkInit->PLLI2S.PLLI2SQ)); - assert_param(IS_RCC_PLLI2S_DIVQ_VALUE(PeriphClkInit->PLLI2SDivQ)); - - /* Read PLLI2SR value from PLLI2SCFGR register (this value is not need for SAI configuration) */ - 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_SAICLK_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SQ , tmpreg1); - /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */ - __HAL_RCC_PLLI2S_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLI2SDivQ); - } - - /* Enable the PLLI2S */ - __HAL_RCC_PLLI2S_ENABLE(); - /* Get 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; - } - } - } - /*--------------------------------------------------------------------------*/ - - /*----------------------- SAI/LTDC Configuration (PLLSAI) ------------------*/ - /*----------------------- Common configuration SAI/LTDC --------------------*/ - /* In Case of SAI or LTDC Clock Configuration through PLLSAI, PLLSAIN division - factor is common parameters for both peripherals */ - if((((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLSAI) == RCC_PERIPHCLK_SAI_PLLSAI) || - (((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LTDC) == RCC_PERIPHCLK_LTDC)) - { - /* Check the PLLSAI division factors */ - assert_param(IS_RCC_PLLSAIN_VALUE(PeriphClkInit->PLLSAI.PLLSAIN)); - - /* Disable PLLSAI Clock */ - __HAL_RCC_PLLSAI_DISABLE(); - /* Get 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; - } - } - - /*---------------------------- SAI configuration -------------------------*/ - /* In Case of SAI Clock Configuration through PLLSAI, PLLSAIQ and PLLSAI_DIVQ must - be added only for SAI configuration */ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SAI_PLLSAI) == (RCC_PERIPHCLK_SAI_PLLSAI)) - { - assert_param(IS_RCC_PLLSAIQ_VALUE(PeriphClkInit->PLLSAI.PLLSAIQ)); - assert_param(IS_RCC_PLLSAI_DIVQ_VALUE(PeriphClkInit->PLLSAIDivQ)); - - /* Read PLLSAIR value from PLLSAICFGR register (this value is not need for SAI configuration) */ - tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> 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 , PeriphClkInit->PLLSAI.PLLSAIQ, tmpreg1); - /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */ - __HAL_RCC_PLLSAI_PLLSAICLKDIVQ_CONFIG(PeriphClkInit->PLLSAIDivQ); - } - - /*---------------------------- 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 PLLSAIR value from PLLSAICFGR register (this value is not need for SAI configuration) */ - tmpreg1 = ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - /* 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, PeriphClkInit->PLLSAI.PLLSAIR); - /* LTDC_CLK = LTDC_CLK(first level)/PLLSAIDIVR */ - __HAL_RCC_PLLSAI_PLLSAICLKDIVR_CONFIG(PeriphClkInit->PLLSAIDivR); - } - /* Enable PLLSAI Clock */ - __HAL_RCC_PLLSAI_ENABLE(); - /* Get 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; - } - } - } - /*--------------------------------------------------------------------------*/ - - /*---------------------------- 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->CR |= PWR_CR_DBP; - - /* Get tick */ - tickstart = HAL_GetTick(); - - while((PWR->CR & PWR_CR_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 */ - tmpreg1 = (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 = tmpreg1; - - /* Wait for LSERDY if LSE was enabled */ - if(HAL_IS_BIT_SET(tmpreg1, RCC_BDCR_LSERDY)) - { - /* Get 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)) - { - __HAL_RCC_TIMCLKPRESCALER(PeriphClkInit->TIMPresSelection); - } - return HAL_OK; -} - -/** - * @brief Configures the PeriphClkInit according to the internal - * RCC configuration registers. - * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that - * will be configured. - * @retval None - */ -void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tempreg; - - /* Set all possible values for the extended clock type parameter------------*/ - PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_I2S | RCC_PERIPHCLK_SAI_PLLSAI | RCC_PERIPHCLK_SAI_PLLI2S | RCC_PERIPHCLK_LTDC | RCC_PERIPHCLK_TIM | RCC_PERIPHCLK_RTC; - - /* Get the PLLI2S Clock configuration -----------------------------------------------*/ - PeriphClkInit->PLLI2S.PLLI2SN = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SN)); - PeriphClkInit->PLLI2S.PLLI2SR = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); - PeriphClkInit->PLLI2S.PLLI2SQ = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SQ)); - /* Get the PLLSAI Clock configuration -----------------------------------------------*/ - PeriphClkInit->PLLSAI.PLLSAIN = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIN)); - PeriphClkInit->PLLSAI.PLLSAIR = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIR) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIR)); - PeriphClkInit->PLLSAI.PLLSAIQ = (uint32_t)((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> POSITION_VAL(RCC_PLLSAICFGR_PLLSAIQ)); - /* Get the PLLSAI/PLLI2S division factors -----------------------------------------------*/ - PeriphClkInit->PLLI2SDivQ = (uint32_t)((RCC->DCKCFGR & RCC_DCKCFGR_PLLI2SDIVQ) >> POSITION_VAL(RCC_DCKCFGR_PLLI2SDIVQ)); - PeriphClkInit->PLLSAIDivQ = (uint32_t)((RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVQ) >> POSITION_VAL(RCC_DCKCFGR_PLLSAIDIVQ)); - PeriphClkInit->PLLSAIDivR = (uint32_t)(RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVR); - /* Get the RTC Clock configuration -----------------------------------------------*/ - tempreg = (RCC->CFGR & RCC_CFGR_RTCPRE); - PeriphClkInit->RTCClockSelection = (uint32_t)((tempreg) | (RCC->BDCR & RCC_BDCR_RTCSEL)); - - if ((RCC->DCKCFGR & RCC_DCKCFGR_TIMPRE) == RESET) - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_DESACTIVATED; - } - else - { - PeriphClkInit->TIMPresSelection = RCC_TIMPRES_ACTIVATED; - } -} - -#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ - -#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx)|| defined(STM32F417xx) ||\ - defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE) -/** - * @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 and RTC clocks). - * - * @note A caution to be taken when HAL_RCCEx_PeriphCLKConfig() is used to select RTC clock selection, in this case - * the Reset of Backup domain will be applied in order to modify the RTC Clock source as consequence all backup - * domain (RTC and RCC_BDCR register expect BKPSRAM) will be reset - * - * @retval HAL status - */ -HAL_StatusTypeDef HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tickstart = 0; - uint32_t tmpreg1 = 0; - - /* Check the parameters */ - assert_param(IS_RCC_PERIPHCLOCK(PeriphClkInit->PeriphClockSelection)); - - /*---------------------------- I2S configuration ---------------------------*/ - if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == (RCC_PERIPHCLK_I2S)) - { - /* check for Parameters */ - assert_param(IS_RCC_PLLI2SR_VALUE(PeriphClkInit->PLLI2S.PLLI2SR)); - assert_param(IS_RCC_PLLI2SN_VALUE(PeriphClkInit->PLLI2S.PLLI2SN)); -#if defined(STM32F411xE) - assert_param(IS_RCC_PLLI2SM_VALUE(PeriphClkInit->PLLI2S.PLLI2SM)); -#endif /* STM32F411xE */ - /* Disable the PLLI2S */ - __HAL_RCC_PLLI2S_DISABLE(); - /* Get 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; - } - } - -#if defined(STM32F411xE) - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) * (PLLI2SN/PLLI2SM) */ - /* I2SCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SR */ - __HAL_RCC_PLLI2S_I2SCLK_CONFIG(PeriphClkInit->PLLI2S.PLLI2SM, PeriphClkInit->PLLI2S.PLLI2SN, PeriphClkInit->PLLI2S.PLLI2SR); -#else - /* Configure the PLLI2S division factors */ - /* PLLI2S_VCO = f(VCO clock) = f(PLLI2S clock input) * (PLLI2SN/PLLM) */ - /* I2SCLK = f(PLLI2S clock output) = f(VCO clock) / PLLI2SR */ - __HAL_RCC_PLLI2S_CONFIG(PeriphClkInit->PLLI2S.PLLI2SN , PeriphClkInit->PLLI2S.PLLI2SR); -#endif /* STM32F411xE */ - - /* Enable the PLLI2S */ - __HAL_RCC_PLLI2S_ENABLE(); - /* Get 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; - } - } - } - - /*---------------------------- 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->CR |= PWR_CR_DBP; - - /* Get tick */ - tickstart = HAL_GetTick(); - - while((PWR->CR & PWR_CR_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 */ - tmpreg1 = (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 = tmpreg1; - - /* Wait for LSERDY if LSE was enabled */ - if(HAL_IS_BIT_SET(tmpreg1, RCC_BDCR_LSERDY)) - { - /* Get 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); - } - } - - return HAL_OK; -} - -/** - * @brief Configures the RCC_OscInitStruct according to the internal - * RCC configuration registers. - * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that - * will be configured. - * @retval None - */ -void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) -{ - uint32_t tempreg; - - /* Set all possible values for the extended clock type parameter------------*/ - PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_I2S | RCC_PERIPHCLK_RTC; - - /* Get the PLLI2S Clock configuration --------------------------------------*/ - PeriphClkInit->PLLI2S.PLLI2SN = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SN)); - PeriphClkInit->PLLI2S.PLLI2SR = (uint32_t)((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SR) >> POSITION_VAL(RCC_PLLI2SCFGR_PLLI2SR)); -#if defined(STM32F411xE) - PeriphClkInit->PLLI2S.PLLI2SM = (uint32_t)(RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SM); -#endif /* STM32F411xE */ - /* Get the RTC Clock configuration -----------------------------------------*/ - tempreg = (RCC->CFGR & RCC_CFGR_RTCPRE); - PeriphClkInit->RTCClockSelection = (uint32_t)((tempreg) | (RCC->BDCR & RCC_BDCR_RTCSEL)); - -} -#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F401xC || STM32F401xE || STM32F411xE */ - -#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) -/** - * @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 This function add the PLL/PLLR factor management during PLL configuration this feature - * is only available in STM32F410xx/STM32F446xx/STM32F469xx/STM32F479xx devices - * @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 in these cases HSE will not disabled */ -#if defined(STM32F446xx) - if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSE) ||\ - ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE)) ||\ - ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLLR) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE))) -#else - if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSE) ||\ - ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE))) -#endif /* STM32F446xx */ - { - if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF)) - { - return HAL_ERROR; - } - } - else - { - /* Reset HSEON and HSEBYP bits before configuring the HSE --------------*/ - __HAL_RCC_HSE_CONFIG(RCC_HSE_OFF); - - /* Get Start Tick*/ - tickstart = HAL_GetTick(); - - /* Wait till HSE is disabled */ - while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) - { - if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE) - { - return HAL_TIMEOUT; - } - } - - /* 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 defined(STM32F446xx) - if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) ||\ - ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI)) ||\ - ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLLR) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI))) -#else - if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) ||\ - ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI))) -#endif /* STM32F446xx */ - { - /* 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->CR |= PWR_CR_DBP; - - /* Wait for Backup domain Write protection disable */ - tickstart = HAL_GetTick(); - - while((PWR->CR & PWR_CR_DBP) == RESET) - { - if((HAL_GetTick() - tickstart ) > RCC_DBP_TIMEOUT_VALUE) - { - return HAL_TIMEOUT; - } - } - - /* Reset LSEON and LSEBYP bits before configuring the LSE ----------------*/ - __HAL_RCC_LSE_CONFIG(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; - } - } - - /* 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_CFGR_SWS_PLL) - { - 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; -} - -/** - * @brief Configures the RCC_OscInitStruct according to the internal - * RCC configuration registers. - * @param RCC_OscInitStruct: pointer to an RCC_OscInitTypeDef structure that will be configured. - * - * @note This function is only available in case of STM32F410xx/STM32F446xx/STM32F469xx/STM32F479xx devices. - * @note This function add the PLL/PLLR factor management - * @retval None - */ -void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct) -{ - /* Set all possible values for the Oscillator type parameter ---------------*/ - RCC_OscInitStruct->OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_LSI; - - /* Get the HSE configuration -----------------------------------------------*/ - if((RCC->CR &RCC_CR_HSEBYP) == RCC_CR_HSEBYP) - { - RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS; - } - else if((RCC->CR &RCC_CR_HSEON) == RCC_CR_HSEON) - { - RCC_OscInitStruct->HSEState = RCC_HSE_ON; - } - else - { - RCC_OscInitStruct->HSEState = RCC_HSE_OFF; - } - - /* Get the HSI configuration -----------------------------------------------*/ - if((RCC->CR &RCC_CR_HSION) == RCC_CR_HSION) - { - RCC_OscInitStruct->HSIState = RCC_HSI_ON; - } - else - { - RCC_OscInitStruct->HSIState = RCC_HSI_OFF; - } - - RCC_OscInitStruct->HSICalibrationValue = (uint32_t)((RCC->CR &RCC_CR_HSITRIM) >> POSITION_VAL(RCC_CR_HSITRIM)); - - /* Get the LSE configuration -----------------------------------------------*/ - if((RCC->BDCR &RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP) - { - RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS; - } - else if((RCC->BDCR &RCC_BDCR_LSEON) == RCC_BDCR_LSEON) - { - RCC_OscInitStruct->LSEState = RCC_LSE_ON; - } - else - { - RCC_OscInitStruct->LSEState = RCC_LSE_OFF; - } - - /* Get the LSI configuration -----------------------------------------------*/ - if((RCC->CSR &RCC_CSR_LSION) == RCC_CSR_LSION) - { - RCC_OscInitStruct->LSIState = RCC_LSI_ON; - } - else - { - RCC_OscInitStruct->LSIState = RCC_LSI_OFF; - } - - /* Get the PLL configuration -----------------------------------------------*/ - if((RCC->CR &RCC_CR_PLLON) == RCC_CR_PLLON) - { - RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON; - } - else - { - RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF; - } - RCC_OscInitStruct->PLL.PLLSource = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC); - RCC_OscInitStruct->PLL.PLLM = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM); - RCC_OscInitStruct->PLL.PLLN = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> POSITION_VAL(RCC_PLLCFGR_PLLN)); - RCC_OscInitStruct->PLL.PLLP = (uint32_t)((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) + RCC_PLLCFGR_PLLP_0) << 1) >> POSITION_VAL(RCC_PLLCFGR_PLLP)); - RCC_OscInitStruct->PLL.PLLQ = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLQ) >> POSITION_VAL(RCC_PLLCFGR_PLLQ)); - RCC_OscInitStruct->PLL.PLLR = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLR) >> POSITION_VAL(RCC_PLLCFGR_PLLR)); -} -#endif /* STM32F410xx || STM32F446xx || STM32F469xx || STM32F479xx */ - -#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F411xE) || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) -/** - * @brief Select LSE mode - * - * @note This mode is only available for STM32F410xx/STM32F411xx/STM32F446xx/STM32F469xx/STM32F479xx devices. - * - * @param Mode: specifies the LSE mode. - * This parameter can be one of the following values: - * @arg RCC_LSE_LOWPOWER_MODE: LSE oscillator in low power mode selection - * @arg RCC_LSE_HIGHDRIVE_MODE: LSE oscillator in High Drive mode selection - * @retval None - */ -void HAL_RCCEx_SelectLSEMode(uint8_t Mode) -{ - /* Check the parameters */ - assert_param(IS_RCC_LSE_MODE(Mode)); - if(Mode == RCC_LSE_HIGHDRIVE_MODE) - { - SET_BIT(RCC->BDCR, RCC_BDCR_LSEMOD); - } - else - { - CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEMOD); - } -} - -#endif /* STM32F410xx || STM32F411xE || STM32F446xx || STM32F469xx || STM32F479xx */ - -#if defined(STM32F446xx) -/** - * @brief Returns the SYSCLK frequency - * - * @note This function implementation is valide only for STM32F446xx devices. - * @note This function add the PLL/PLLR System clock source - * - * @note The system frequency computed by this function is not the real - * frequency in the chip. It is calculated based on the predefined - * constant and the selected clock source: - * @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(*) - * @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(**) - * @note If SYSCLK source is PLL or PLLR, function returns values based on HSE_VALUE(**) - * or HSI_VALUE(*) multiplied/divided by the PLL factors. - * @note (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value - * 16 MHz) but the real value may vary depending on the variations - * in voltage and temperature. - * @note (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value - * 25 MHz), user has to ensure that HSE_VALUE is same as the real - * frequency of the crystal used. Otherwise, this function may - * have wrong result. - * - * @note The result of this function could be not correct when using fractional - * value for HSE crystal. - * - * @note This function can be used by the user application to compute the - * baudrate for the communication peripherals or configure other parameters. - * - * @note Each time SYSCLK changes, this function must be called to update the - * right SYSCLK value. Otherwise, any configuration based on this function will be incorrect. - * - * - * @retval SYSCLK frequency - */ -uint32_t HAL_RCC_GetSysClockFreq(void) -{ - uint32_t pllm = 0; - uint32_t pllvco = 0; - uint32_t pllp = 0; - uint32_t pllr = 0; - uint32_t sysclockfreq = 0; - - /* Get SYSCLK source -------------------------------------------------------*/ - switch (RCC->CFGR & RCC_CFGR_SWS) - { - case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */ - { - sysclockfreq = HSI_VALUE; - break; - } - case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */ - { - sysclockfreq = HSE_VALUE; - break; - } - case RCC_CFGR_SWS_PLL: /* PLL/PLLP used as system clock source */ - { - /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN - SYSCLK = PLL_VCO / PLLP */ - pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM; - if(__HAL_RCC_GET_PLL_OSCSOURCE() != RCC_PLLSOURCE_HSI) - { - /* HSE used as PLL clock source */ - pllvco = ((HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> POSITION_VAL(RCC_PLLCFGR_PLLN))); - } - else - { - /* HSI used as PLL clock source */ - pllvco = ((HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> POSITION_VAL(RCC_PLLCFGR_PLLN))); - } - pllp = ((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >> POSITION_VAL(RCC_PLLCFGR_PLLP)) + 1 ) *2); - - sysclockfreq = pllvco/pllp; - break; - } - case RCC_CFGR_SWS_PLLR: /* PLL/PLLR used as system clock source */ - { - /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN - SYSCLK = PLL_VCO / PLLR */ - pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM; - if(__HAL_RCC_GET_PLL_OSCSOURCE() != RCC_PLLSOURCE_HSI) - { - /* HSE used as PLL clock source */ - pllvco = ((HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> POSITION_VAL(RCC_PLLCFGR_PLLN))); - } - else - { - /* HSI used as PLL clock source */ - pllvco = ((HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> POSITION_VAL(RCC_PLLCFGR_PLLN))); - } - pllr = ((RCC->PLLCFGR & RCC_PLLCFGR_PLLR) >> POSITION_VAL(RCC_PLLCFGR_PLLR)); - - sysclockfreq = pllvco/pllr; - break; - } - default: - { - sysclockfreq = HSI_VALUE; - break; - } - } - return sysclockfreq; -} -#endif /* STM32F446xx */ - -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_RCC_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |