diff options
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, 2274 insertions, 0 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 new file mode 100644 index 0000000000..b5e6c09812 --- /dev/null +++ b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c @@ -0,0 +1,2274 @@ +/** + ****************************************************************************** + * @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****/ |