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Last commit 20 Feb 2019 by 
mbed official
targets/cmsis/TARGET_STM/TARGET_DISCO_L053C8/stm32l0xx_hal_rcc_ex.c@376:cb4d9db17537, 2014-10-31 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Oct 31 11:00:10 2014 +0000
- Revision:
- 376:cb4d9db17537
Synchronized with git revision 07b49da75eac883fc8916d3d6b6962664b8db29e
Full URL: https://github.com/mbedmicro/mbed/commit/07b49da75eac883fc8916d3d6b6962664b8db29e/
Targets: DISCO_L053C8 - new platform - STM32L0 Discovery board
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 376:cb4d9db17537 | 1 | /** |
| mbed_official | 376:cb4d9db17537 | 2 | ****************************************************************************** |
| mbed_official | 376:cb4d9db17537 | 3 | * @file stm32l0xx_hal_rcc_ex.c |
| mbed_official | 376:cb4d9db17537 | 4 | * @author MCD Application Team |
| mbed_official | 376:cb4d9db17537 | 5 | * @version V1.1.0 |
| mbed_official | 376:cb4d9db17537 | 6 | * @date 18-June-2014 |
| mbed_official | 376:cb4d9db17537 | 7 | * @brief Extended RCC HAL module driver. |
| mbed_official | 376:cb4d9db17537 | 8 | * |
| mbed_official | 376:cb4d9db17537 | 9 | * This file provides firmware functions to manage the following |
| mbed_official | 376:cb4d9db17537 | 10 | * functionalities RCC extension peripheral: |
| mbed_official | 376:cb4d9db17537 | 11 | * + Extended Peripheral Control functions |
| mbed_official | 376:cb4d9db17537 | 12 | * |
| mbed_official | 376:cb4d9db17537 | 13 | @verbatim |
| mbed_official | 376:cb4d9db17537 | 14 | ============================================================================== |
| mbed_official | 376:cb4d9db17537 | 15 | ##### RCC specific features ##### |
| mbed_official | 376:cb4d9db17537 | 16 | ============================================================================== |
| mbed_official | 376:cb4d9db17537 | 17 | For CRS, RCC Extension HAL driver can be used as follows: |
| mbed_official | 376:cb4d9db17537 | 18 | |
| mbed_official | 376:cb4d9db17537 | 19 | (#) In System clock configuration, HSI48 need to be enabled |
| mbed_official | 376:cb4d9db17537 | 20 | |
| mbed_official | 376:cb4d9db17537 | 21 | (#] Enable CRS clock in IP MSP init which will use CRS functions |
| mbed_official | 376:cb4d9db17537 | 22 | |
| mbed_official | 376:cb4d9db17537 | 23 | (#) Call CRS functions like this |
| mbed_official | 376:cb4d9db17537 | 24 | (##) Prepare synchronization configuration necessary for HSI48 calibration |
| mbed_official | 376:cb4d9db17537 | 25 | (+++) Default values can be set for frequency Error Measurement (reload and error limit) |
| mbed_official | 376:cb4d9db17537 | 26 | and also HSI48 oscillator smooth trimming. |
| mbed_official | 376:cb4d9db17537 | 27 | (+++) Macro __HAL_RCC_CRS_CALCULATE_RELOADVALUE can be also used to calculate |
| mbed_official | 376:cb4d9db17537 | 28 | directly reload value with target and synchronization frequencies values |
| mbed_official | 376:cb4d9db17537 | 29 | (##) Call function HAL_RCCEx_CRSConfig which |
| mbed_official | 376:cb4d9db17537 | 30 | (+++) Reset CRS registers to their default values. |
| mbed_official | 376:cb4d9db17537 | 31 | (+++) Configure CRS registers with synchronization configuration |
| mbed_official | 376:cb4d9db17537 | 32 | (+++) Enable automatic calibration and frequency error counter feature |
| mbed_official | 376:cb4d9db17537 | 33 | |
| mbed_official | 376:cb4d9db17537 | 34 | (##) A polling function is provided to wait for complete Synchronization |
| mbed_official | 376:cb4d9db17537 | 35 | (+++) Call function 'HAL_RCCEx_CRSWaitSynchronization()' |
| mbed_official | 376:cb4d9db17537 | 36 | (+++) According to CRS status, user can decide to adjust again the calibration or continue |
| mbed_official | 376:cb4d9db17537 | 37 | application if synchronization is OK |
| mbed_official | 376:cb4d9db17537 | 38 | |
| mbed_official | 376:cb4d9db17537 | 39 | (#) User can retrieve information related to synchronization in calling function |
| mbed_official | 376:cb4d9db17537 | 40 | HAL_RCCEx_CRSGetSynchronizationInfo() |
| mbed_official | 376:cb4d9db17537 | 41 | |
| mbed_official | 376:cb4d9db17537 | 42 | (#) Regarding synchronization status and synchronization information, user can try a new calibration |
| mbed_official | 376:cb4d9db17537 | 43 | in changing synchronization configuration and call again HAL_RCCEx_CRSConfig. |
| mbed_official | 376:cb4d9db17537 | 44 | Note: When the SYNC event is detected during the downcounting phase (before reaching the zero value), |
| mbed_official | 376:cb4d9db17537 | 45 | it means that the actual frequency is lower than the target (and so, that the TRIM value should be |
| mbed_official | 376:cb4d9db17537 | 46 | incremented), while when it is detected during the upcounting phase it means that the actual frequency |
| mbed_official | 376:cb4d9db17537 | 47 | is higher (and that the TRIM value should be decremented). |
| mbed_official | 376:cb4d9db17537 | 48 | |
| mbed_official | 376:cb4d9db17537 | 49 | (#) To use IT mode, user needs to handle it in calling different macros available to do it |
| mbed_official | 376:cb4d9db17537 | 50 | (__HAL_RCC_CRS_XXX_IT). Interruptions will go through RCC Handler (RCC_IRQn/RCC_CRS_IRQHandler) |
| mbed_official | 376:cb4d9db17537 | 51 | (+++) Call function HAL_RCCEx_CRSConfig() |
| mbed_official | 376:cb4d9db17537 | 52 | (+++) Enable RCC_IRQn (thnaks to NVIC functions) |
| mbed_official | 376:cb4d9db17537 | 53 | (+++) Enable CRS IT (__HAL_RCC_CRS_ENABLE_IT) |
| mbed_official | 376:cb4d9db17537 | 54 | [+++) Implement CRS status management in RCC_CRS_IRQHandler |
| mbed_official | 376:cb4d9db17537 | 55 | |
| mbed_official | 376:cb4d9db17537 | 56 | (#) To force a SYNC EVENT, user can use function 'HAL_RCCEx_CRSSoftwareSynchronizationGenerate()'. Function can be |
| mbed_official | 376:cb4d9db17537 | 57 | called before calling HAL_RCCEx_CRSConfig (for instance in Systick handler) |
| mbed_official | 376:cb4d9db17537 | 58 | |
| mbed_official | 376:cb4d9db17537 | 59 | @endverbatim |
| mbed_official | 376:cb4d9db17537 | 60 | ****************************************************************************** |
| mbed_official | 376:cb4d9db17537 | 61 | * @attention |
| mbed_official | 376:cb4d9db17537 | 62 | * |
| mbed_official | 376:cb4d9db17537 | 63 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
| mbed_official | 376:cb4d9db17537 | 64 | * |
| mbed_official | 376:cb4d9db17537 | 65 | * Redistribution and use in source and binary forms, with or without modification, |
| mbed_official | 376:cb4d9db17537 | 66 | * are permitted provided that the following conditions are met: |
| mbed_official | 376:cb4d9db17537 | 67 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 376:cb4d9db17537 | 68 | * this list of conditions and the following disclaimer. |
| mbed_official | 376:cb4d9db17537 | 69 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 376:cb4d9db17537 | 70 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 376:cb4d9db17537 | 71 | * and/or other materials provided with the distribution. |
| mbed_official | 376:cb4d9db17537 | 72 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| mbed_official | 376:cb4d9db17537 | 73 | * may be used to endorse or promote products derived from this software |
| mbed_official | 376:cb4d9db17537 | 74 | * without specific prior written permission. |
| mbed_official | 376:cb4d9db17537 | 75 | * |
| mbed_official | 376:cb4d9db17537 | 76 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 376:cb4d9db17537 | 77 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 376:cb4d9db17537 | 78 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 376:cb4d9db17537 | 79 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 376:cb4d9db17537 | 80 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 376:cb4d9db17537 | 81 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 376:cb4d9db17537 | 82 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 376:cb4d9db17537 | 83 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 376:cb4d9db17537 | 84 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 376:cb4d9db17537 | 85 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 376:cb4d9db17537 | 86 | * |
| mbed_official | 376:cb4d9db17537 | 87 | ****************************************************************************** |
| mbed_official | 376:cb4d9db17537 | 88 | */ |
| mbed_official | 376:cb4d9db17537 | 89 | |
| mbed_official | 376:cb4d9db17537 | 90 | /* Includes ------------------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 91 | #include "stm32l0xx_hal.h" |
| mbed_official | 376:cb4d9db17537 | 92 | |
| mbed_official | 376:cb4d9db17537 | 93 | /** @addtogroup STM32L0xx_HAL_Driver |
| mbed_official | 376:cb4d9db17537 | 94 | * @{ |
| mbed_official | 376:cb4d9db17537 | 95 | */ |
| mbed_official | 376:cb4d9db17537 | 96 | |
| mbed_official | 376:cb4d9db17537 | 97 | /** @defgroup RCCEx |
| mbed_official | 376:cb4d9db17537 | 98 | * @brief RCC Extension HAL module driver |
| mbed_official | 376:cb4d9db17537 | 99 | * @{ |
| mbed_official | 376:cb4d9db17537 | 100 | */ |
| mbed_official | 376:cb4d9db17537 | 101 | |
| mbed_official | 376:cb4d9db17537 | 102 | #ifdef HAL_RCC_MODULE_ENABLED |
| mbed_official | 376:cb4d9db17537 | 103 | |
| mbed_official | 376:cb4d9db17537 | 104 | /* Private typedef -----------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 105 | /* Private define ------------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 106 | /* Bit position in register */ |
| mbed_official | 376:cb4d9db17537 | 107 | #define CRS_CFGR_FELIM_BITNUMBER 16 |
| mbed_official | 376:cb4d9db17537 | 108 | #define CRS_CR_TRIM_BITNUMBER 8 |
| mbed_official | 376:cb4d9db17537 | 109 | #define CRS_ISR_FECAP_BITNUMBER 16 |
| mbed_official | 376:cb4d9db17537 | 110 | |
| mbed_official | 376:cb4d9db17537 | 111 | /* Private macro -------------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 112 | /* Private variables ---------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 113 | /* Private function prototypes -----------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 114 | /* Private functions ---------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 115 | |
| mbed_official | 376:cb4d9db17537 | 116 | /** @defgroup RCCEx_Private_Functions |
| mbed_official | 376:cb4d9db17537 | 117 | * @{ |
| mbed_official | 376:cb4d9db17537 | 118 | */ |
| mbed_official | 376:cb4d9db17537 | 119 | |
| mbed_official | 376:cb4d9db17537 | 120 | /** @defgroup RCCEx_Group1 Extended Peripheral Control functions |
| mbed_official | 376:cb4d9db17537 | 121 | * @brief Extended Peripheral Control functions |
| mbed_official | 376:cb4d9db17537 | 122 | * |
| mbed_official | 376:cb4d9db17537 | 123 | @verbatim |
| mbed_official | 376:cb4d9db17537 | 124 | =============================================================================== |
| mbed_official | 376:cb4d9db17537 | 125 | ##### Extended Peripheral Control functions ##### |
| mbed_official | 376:cb4d9db17537 | 126 | =============================================================================== |
| mbed_official | 376:cb4d9db17537 | 127 | [..] |
| mbed_official | 376:cb4d9db17537 | 128 | This subsection provides a set of functions allowing to control the RCC Clocks |
| mbed_official | 376:cb4d9db17537 | 129 | frequencies. |
| mbed_official | 376:cb4d9db17537 | 130 | |
| mbed_official | 376:cb4d9db17537 | 131 | @endverbatim |
| mbed_official | 376:cb4d9db17537 | 132 | * @{ |
| mbed_official | 376:cb4d9db17537 | 133 | */ |
| mbed_official | 376:cb4d9db17537 | 134 | |
| mbed_official | 376:cb4d9db17537 | 135 | /** |
| mbed_official | 376:cb4d9db17537 | 136 | * @brief Initializes the RCC extended peripherals clocks according to the specified parameters in the |
| mbed_official | 376:cb4d9db17537 | 137 | * RCC_PeriphCLKInitTypeDef. |
| mbed_official | 376:cb4d9db17537 | 138 | * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that |
| mbed_official | 376:cb4d9db17537 | 139 | * contains the configuration information for the Extended Peripherals clocks(USART1,USART2, LPUART1, |
| mbed_official | 376:cb4d9db17537 | 140 | * I2C1, RTC, USB/RNG and LPTIM1 clocks). |
| mbed_official | 376:cb4d9db17537 | 141 | * @retval HAL status |
| mbed_official | 376:cb4d9db17537 | 142 | */ |
| mbed_official | 376:cb4d9db17537 | 143 | HAL_StatusTypeDef HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) |
| mbed_official | 376:cb4d9db17537 | 144 | { |
| mbed_official | 376:cb4d9db17537 | 145 | uint32_t tickstart = 0; |
| mbed_official | 376:cb4d9db17537 | 146 | uint32_t tmpreg = 0; |
| mbed_official | 376:cb4d9db17537 | 147 | |
| mbed_official | 376:cb4d9db17537 | 148 | /* Check the parameters */ |
| mbed_official | 376:cb4d9db17537 | 149 | assert_param(IS_RCC_PERIPHCLK(PeriphClkInit->PeriphClockSelection)); |
| mbed_official | 376:cb4d9db17537 | 150 | |
| mbed_official | 376:cb4d9db17537 | 151 | /*------------------------------- USART1 Configuration ------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 152 | if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART1) == RCC_PERIPHCLK_USART1) |
| mbed_official | 376:cb4d9db17537 | 153 | { |
| mbed_official | 376:cb4d9db17537 | 154 | /* Check the parameters */ |
| mbed_official | 376:cb4d9db17537 | 155 | assert_param(IS_RCC_USART1CLKSOURCE(PeriphClkInit->Usart1ClockSelection)); |
| mbed_official | 376:cb4d9db17537 | 156 | |
| mbed_official | 376:cb4d9db17537 | 157 | /* Configure the USART1 clock source */ |
| mbed_official | 376:cb4d9db17537 | 158 | __HAL_RCC_USART1_CONFIG(PeriphClkInit->Usart1ClockSelection); |
| mbed_official | 376:cb4d9db17537 | 159 | } |
| mbed_official | 376:cb4d9db17537 | 160 | |
| mbed_official | 376:cb4d9db17537 | 161 | /*----------------------------- USART2 Configuration --------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 162 | if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART2) == RCC_PERIPHCLK_USART2) |
| mbed_official | 376:cb4d9db17537 | 163 | { |
| mbed_official | 376:cb4d9db17537 | 164 | /* Check the parameters */ |
| mbed_official | 376:cb4d9db17537 | 165 | assert_param(IS_RCC_USART2CLKSOURCE(PeriphClkInit->Usart2ClockSelection)); |
| mbed_official | 376:cb4d9db17537 | 166 | |
| mbed_official | 376:cb4d9db17537 | 167 | /* Configure the USART2 clock source */ |
| mbed_official | 376:cb4d9db17537 | 168 | __HAL_RCC_USART2_CONFIG(PeriphClkInit->Usart2ClockSelection); |
| mbed_official | 376:cb4d9db17537 | 169 | } |
| mbed_official | 376:cb4d9db17537 | 170 | |
| mbed_official | 376:cb4d9db17537 | 171 | /*------------------------------ LPUART1 Configuration ------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 172 | if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LPUART1) == RCC_PERIPHCLK_LPUART1) |
| mbed_official | 376:cb4d9db17537 | 173 | { |
| mbed_official | 376:cb4d9db17537 | 174 | /* Check the parameters */ |
| mbed_official | 376:cb4d9db17537 | 175 | assert_param(IS_RCC_LPUART1CLKSOURCE(PeriphClkInit->Lpuart1ClockSelection)); |
| mbed_official | 376:cb4d9db17537 | 176 | |
| mbed_official | 376:cb4d9db17537 | 177 | /* Configure the LPUAR1 clock source */ |
| mbed_official | 376:cb4d9db17537 | 178 | __HAL_RCC_LPUART1_CONFIG(PeriphClkInit->Lpuart1ClockSelection); |
| mbed_official | 376:cb4d9db17537 | 179 | } |
| mbed_official | 376:cb4d9db17537 | 180 | |
| mbed_official | 376:cb4d9db17537 | 181 | /*------------------------------ I2C1 Configuration ------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 182 | if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C1) == RCC_PERIPHCLK_I2C1) |
| mbed_official | 376:cb4d9db17537 | 183 | { |
| mbed_official | 376:cb4d9db17537 | 184 | /* Check the parameters */ |
| mbed_official | 376:cb4d9db17537 | 185 | assert_param(IS_RCC_I2C1CLKSOURCE(PeriphClkInit->I2c1ClockSelection)); |
| mbed_official | 376:cb4d9db17537 | 186 | |
| mbed_official | 376:cb4d9db17537 | 187 | /* Configure the I2C1 clock source */ |
| mbed_official | 376:cb4d9db17537 | 188 | __HAL_RCC_I2C1_CONFIG(PeriphClkInit->I2c1ClockSelection); |
| mbed_official | 376:cb4d9db17537 | 189 | } |
| mbed_official | 376:cb4d9db17537 | 190 | |
| mbed_official | 376:cb4d9db17537 | 191 | |
| mbed_official | 376:cb4d9db17537 | 192 | /*---------------------------- RTC configuration -------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 193 | if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_RTC) == (RCC_PERIPHCLK_RTC)) |
| mbed_official | 376:cb4d9db17537 | 194 | { |
| mbed_official | 376:cb4d9db17537 | 195 | /* Enable Power Clock*/ |
| mbed_official | 376:cb4d9db17537 | 196 | __PWR_CLK_ENABLE(); |
| mbed_official | 376:cb4d9db17537 | 197 | |
| mbed_official | 376:cb4d9db17537 | 198 | /* Enable write access to Backup domain */ |
| mbed_official | 376:cb4d9db17537 | 199 | PWR->CR |= PWR_CR_DBP; |
| mbed_official | 376:cb4d9db17537 | 200 | |
| mbed_official | 376:cb4d9db17537 | 201 | /* Wait for Backup domain Write protection disable */ |
| mbed_official | 376:cb4d9db17537 | 202 | tickstart = HAL_GetTick(); |
| mbed_official | 376:cb4d9db17537 | 203 | |
| mbed_official | 376:cb4d9db17537 | 204 | while((PWR->CR & PWR_CR_DBP) == RESET) |
| mbed_official | 376:cb4d9db17537 | 205 | { |
| mbed_official | 376:cb4d9db17537 | 206 | if((HAL_GetTick() - tickstart ) > DBP_TIMEOUT_VALUE) |
| mbed_official | 376:cb4d9db17537 | 207 | { |
| mbed_official | 376:cb4d9db17537 | 208 | return HAL_TIMEOUT; |
| mbed_official | 376:cb4d9db17537 | 209 | } |
| mbed_official | 376:cb4d9db17537 | 210 | } |
| mbed_official | 376:cb4d9db17537 | 211 | |
| mbed_official | 376:cb4d9db17537 | 212 | /* Reset the Backup domain only if the RTC Clock source selection is modified */ |
| mbed_official | 376:cb4d9db17537 | 213 | if((RCC->CSR & RCC_CSR_RTCSEL) != (PeriphClkInit->RTCClockSelection & RCC_CSR_RTCSEL)) |
| mbed_official | 376:cb4d9db17537 | 214 | { |
| mbed_official | 376:cb4d9db17537 | 215 | /* Store the content of CSR register before the reset of Backup Domain */ |
| mbed_official | 376:cb4d9db17537 | 216 | tmpreg = (RCC->CSR & ~(RCC_CSR_RTCSEL)); |
| mbed_official | 376:cb4d9db17537 | 217 | /* RTC Clock selection can be changed only if the Backup Domain is reset */ |
| mbed_official | 376:cb4d9db17537 | 218 | __HAL_RCC_BACKUPRESET_FORCE(); |
| mbed_official | 376:cb4d9db17537 | 219 | __HAL_RCC_BACKUPRESET_RELEASE(); |
| mbed_official | 376:cb4d9db17537 | 220 | /* Restore the Content of CSR register */ |
| mbed_official | 376:cb4d9db17537 | 221 | RCC->CSR = tmpreg; |
| mbed_official | 376:cb4d9db17537 | 222 | } |
| mbed_official | 376:cb4d9db17537 | 223 | |
| mbed_official | 376:cb4d9db17537 | 224 | /* If LSE is selected as RTC clock source, wait for LSE reactivation */ |
| mbed_official | 376:cb4d9db17537 | 225 | if(PeriphClkInit->RTCClockSelection == RCC_RTCCLKSOURCE_LSE) |
| mbed_official | 376:cb4d9db17537 | 226 | { |
| mbed_official | 376:cb4d9db17537 | 227 | /* Get timeout */ |
| mbed_official | 376:cb4d9db17537 | 228 | tickstart = HAL_GetTick(); |
| mbed_official | 376:cb4d9db17537 | 229 | |
| mbed_official | 376:cb4d9db17537 | 230 | /* Wait till LSE is ready */ |
| mbed_official | 376:cb4d9db17537 | 231 | while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET) |
| mbed_official | 376:cb4d9db17537 | 232 | { |
| mbed_official | 376:cb4d9db17537 | 233 | if((HAL_GetTick() - tickstart ) > LSE_TIMEOUT_VALUE) |
| mbed_official | 376:cb4d9db17537 | 234 | { |
| mbed_official | 376:cb4d9db17537 | 235 | return HAL_TIMEOUT; |
| mbed_official | 376:cb4d9db17537 | 236 | } |
| mbed_official | 376:cb4d9db17537 | 237 | } |
| mbed_official | 376:cb4d9db17537 | 238 | } |
| mbed_official | 376:cb4d9db17537 | 239 | __HAL_RCC_RTC_CONFIG(PeriphClkInit->RTCClockSelection); |
| mbed_official | 376:cb4d9db17537 | 240 | } |
| mbed_official | 376:cb4d9db17537 | 241 | #if !defined(STM32L051xx) && !defined(STM32L061xx) |
| mbed_official | 376:cb4d9db17537 | 242 | /*---------------------------- USB and RNG configuration --------------------*/ |
| mbed_official | 376:cb4d9db17537 | 243 | if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USB) == (RCC_PERIPHCLK_USB)) |
| mbed_official | 376:cb4d9db17537 | 244 | { |
| mbed_official | 376:cb4d9db17537 | 245 | assert_param(IS_RCC_USBCLKSOURCE(PeriphClkInit->UsbClockSelection)); |
| mbed_official | 376:cb4d9db17537 | 246 | __HAL_RCC_USB_CONFIG(PeriphClkInit->UsbClockSelection); |
| mbed_official | 376:cb4d9db17537 | 247 | } |
| mbed_official | 376:cb4d9db17537 | 248 | #endif /* !(STM32L051xx) && !(STM32L061xx) */ |
| mbed_official | 376:cb4d9db17537 | 249 | |
| mbed_official | 376:cb4d9db17537 | 250 | /*---------------------------- LPTIM1 configuration ------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 251 | if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_LPTIM1) == (RCC_PERIPHCLK_LPTIM1)) |
| mbed_official | 376:cb4d9db17537 | 252 | { |
| mbed_official | 376:cb4d9db17537 | 253 | assert_param(IS_RCC_LPTIMCLK(PeriphClkInit->LptimClockSelection)); |
| mbed_official | 376:cb4d9db17537 | 254 | __HAL_RCC_LPTIM1_CONFIG(PeriphClkInit->LptimClockSelection); |
| mbed_official | 376:cb4d9db17537 | 255 | } |
| mbed_official | 376:cb4d9db17537 | 256 | return HAL_OK; |
| mbed_official | 376:cb4d9db17537 | 257 | } |
| mbed_official | 376:cb4d9db17537 | 258 | |
| mbed_official | 376:cb4d9db17537 | 259 | /** |
| mbed_official | 376:cb4d9db17537 | 260 | * @brief Get the RCC_ClkInitStruct according to the internal |
| mbed_official | 376:cb4d9db17537 | 261 | * RCC configuration registers. |
| mbed_official | 376:cb4d9db17537 | 262 | * @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that |
| mbed_official | 376:cb4d9db17537 | 263 | * returns the configuration information for the Extended Peripherals clocks(USART1,USART2, LPUART1, |
| mbed_official | 376:cb4d9db17537 | 264 | * I2C1, RTC, USB/RNG and LPTIM1 clocks). |
| mbed_official | 376:cb4d9db17537 | 265 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 266 | */ |
| mbed_official | 376:cb4d9db17537 | 267 | void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit) |
| mbed_official | 376:cb4d9db17537 | 268 | { |
| mbed_official | 376:cb4d9db17537 | 269 | /* Set all possible values for the extended clock type parameter -----------*/ |
| mbed_official | 376:cb4d9db17537 | 270 | /* Common part first */ |
| mbed_official | 376:cb4d9db17537 | 271 | #if !defined(STM32L051xx) && !defined(STM32L061xx) |
| mbed_official | 376:cb4d9db17537 | 272 | PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_USART2 | RCC_PERIPHCLK_LPUART1 | \ |
| mbed_official | 376:cb4d9db17537 | 273 | RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_I2C2 | RCC_PERIPHCLK_RTC | \ |
| mbed_official | 376:cb4d9db17537 | 274 | RCC_PERIPHCLK_USB | RCC_PERIPHCLK_LPTIM1; |
| mbed_official | 376:cb4d9db17537 | 275 | |
| mbed_official | 376:cb4d9db17537 | 276 | #else |
| mbed_official | 376:cb4d9db17537 | 277 | PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_USART2 | RCC_PERIPHCLK_LPUART1 | \ |
| mbed_official | 376:cb4d9db17537 | 278 | RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_I2C2 | RCC_PERIPHCLK_RTC | \ |
| mbed_official | 376:cb4d9db17537 | 279 | RCC_PERIPHCLK_LPTIM1; |
| mbed_official | 376:cb4d9db17537 | 280 | #endif /* !(STM32L051xx) && !(STM32L061xx) */ |
| mbed_official | 376:cb4d9db17537 | 281 | |
| mbed_official | 376:cb4d9db17537 | 282 | /* Get the USART1 configuration --------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 283 | PeriphClkInit->Usart1ClockSelection = __HAL_RCC_GET_USART1_SOURCE(); |
| mbed_official | 376:cb4d9db17537 | 284 | /* Get the USART2 clock source ---------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 285 | PeriphClkInit->Usart2ClockSelection = __HAL_RCC_GET_USART2_SOURCE(); |
| mbed_official | 376:cb4d9db17537 | 286 | /* Get the LPUART1 clock source ---------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 287 | PeriphClkInit->Lpuart1ClockSelection = __HAL_RCC_GET_LPUART1_SOURCE(); |
| mbed_official | 376:cb4d9db17537 | 288 | /* Get the I2C1 clock source -----------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 289 | PeriphClkInit->I2c1ClockSelection = __HAL_RCC_GET_I2C1_SOURCE(); |
| mbed_official | 376:cb4d9db17537 | 290 | /* Get the LPTIM1 clock source -----------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 291 | PeriphClkInit->LptimClockSelection = __HAL_RCC_GET_LPTIM1_SOURCE(); |
| mbed_official | 376:cb4d9db17537 | 292 | /* Get the RTC clock source -----------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 293 | PeriphClkInit->RTCClockSelection = __HAL_RCC_GET_RTC_SOURCE(); |
| mbed_official | 376:cb4d9db17537 | 294 | |
| mbed_official | 376:cb4d9db17537 | 295 | #if !defined(STM32L051xx) && !defined(STM32L061xx) |
| mbed_official | 376:cb4d9db17537 | 296 | /* Get the USB/RNG clock source -----------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 297 | PeriphClkInit->UsbClockSelection = __HAL_RCC_GET_USB_SOURCE(); |
| mbed_official | 376:cb4d9db17537 | 298 | #endif /* !(STM32L051xx) && !(STM32L061xx) */ |
| mbed_official | 376:cb4d9db17537 | 299 | } |
| mbed_official | 376:cb4d9db17537 | 300 | |
| mbed_official | 376:cb4d9db17537 | 301 | /** |
| mbed_official | 376:cb4d9db17537 | 302 | * @brief Enables the LSE Clock Security System. |
| mbed_official | 376:cb4d9db17537 | 303 | * @param None |
| mbed_official | 376:cb4d9db17537 | 304 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 305 | */ |
| mbed_official | 376:cb4d9db17537 | 306 | void HAL_RCCEx_EnableLSECSS(void) |
| mbed_official | 376:cb4d9db17537 | 307 | { |
| mbed_official | 376:cb4d9db17537 | 308 | SET_BIT(RCC->CSR, RCC_CSR_LSECSSON) ; |
| mbed_official | 376:cb4d9db17537 | 309 | } |
| mbed_official | 376:cb4d9db17537 | 310 | |
| mbed_official | 376:cb4d9db17537 | 311 | /** |
| mbed_official | 376:cb4d9db17537 | 312 | * @brief Disables the LSE Clock Security System. |
| mbed_official | 376:cb4d9db17537 | 313 | * @param None |
| mbed_official | 376:cb4d9db17537 | 314 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 315 | */ |
| mbed_official | 376:cb4d9db17537 | 316 | void HAL_RCCEx_DisableLSECSS(void) |
| mbed_official | 376:cb4d9db17537 | 317 | { |
| mbed_official | 376:cb4d9db17537 | 318 | CLEAR_BIT(RCC->CSR, RCC_CSR_LSECSSON) ; |
| mbed_official | 376:cb4d9db17537 | 319 | } |
| mbed_official | 376:cb4d9db17537 | 320 | |
| mbed_official | 376:cb4d9db17537 | 321 | #if !defined(STM32L051xx) && !defined(STM32L061xx) |
| mbed_official | 376:cb4d9db17537 | 322 | |
| mbed_official | 376:cb4d9db17537 | 323 | /** |
| mbed_official | 376:cb4d9db17537 | 324 | * @brief Start automatic synchronization using polling mode |
| mbed_official | 376:cb4d9db17537 | 325 | * @param pInit Pointer on RCC_CRSInitTypeDef structure |
| mbed_official | 376:cb4d9db17537 | 326 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 327 | */ |
| mbed_official | 376:cb4d9db17537 | 328 | void HAL_RCCEx_CRSConfig(RCC_CRSInitTypeDef *pInit) |
| mbed_official | 376:cb4d9db17537 | 329 | { |
| mbed_official | 376:cb4d9db17537 | 330 | /* Check the parameters */ |
| mbed_official | 376:cb4d9db17537 | 331 | assert_param(IS_RCC_CRS_SYNC_DIV(pInit->Prescaler)); |
| mbed_official | 376:cb4d9db17537 | 332 | assert_param(IS_RCC_CRS_SYNC_SOURCE(pInit->Source)); |
| mbed_official | 376:cb4d9db17537 | 333 | assert_param(IS_RCC_CRS_SYNC_POLARITY(pInit->Polarity)); |
| mbed_official | 376:cb4d9db17537 | 334 | assert_param(IS_RCC_CRS_RELOADVALUE(pInit->ReloadValue)); |
| mbed_official | 376:cb4d9db17537 | 335 | assert_param(IS_RCC_CRS_ERRORLIMIT(pInit->ErrorLimitValue)); |
| mbed_official | 376:cb4d9db17537 | 336 | assert_param(IS_RCC_CRS_HSI48CALIBRATION(pInit->HSI48CalibrationValue)); |
| mbed_official | 376:cb4d9db17537 | 337 | |
| mbed_official | 376:cb4d9db17537 | 338 | |
| mbed_official | 376:cb4d9db17537 | 339 | /* CONFIGURATION */ |
| mbed_official | 376:cb4d9db17537 | 340 | |
| mbed_official | 376:cb4d9db17537 | 341 | /* Before configuration, reset CRS registers to their default values*/ |
| mbed_official | 376:cb4d9db17537 | 342 | __CRS_FORCE_RESET(); |
| mbed_official | 376:cb4d9db17537 | 343 | __CRS_RELEASE_RESET(); |
| mbed_official | 376:cb4d9db17537 | 344 | |
| mbed_official | 376:cb4d9db17537 | 345 | /* Configure Synchronization input */ |
| mbed_official | 376:cb4d9db17537 | 346 | /* Clear SYNCDIV[2:0], SYNCSRC[1:0] & SYNCSPOL bits */ |
| mbed_official | 376:cb4d9db17537 | 347 | CRS->CFGR &= ~(CRS_CFGR_SYNCDIV | CRS_CFGR_SYNCSRC | CRS_CFGR_SYNCPOL); |
| mbed_official | 376:cb4d9db17537 | 348 | |
| mbed_official | 376:cb4d9db17537 | 349 | /* Set the CRS_CFGR_SYNCDIV[2:0] bits according to Prescaler value */ |
| mbed_official | 376:cb4d9db17537 | 350 | CRS->CFGR |= pInit->Prescaler; |
| mbed_official | 376:cb4d9db17537 | 351 | |
| mbed_official | 376:cb4d9db17537 | 352 | /* Set the SYNCSRC[1:0] bits according to Source value */ |
| mbed_official | 376:cb4d9db17537 | 353 | CRS->CFGR |= pInit->Source; |
| mbed_official | 376:cb4d9db17537 | 354 | |
| mbed_official | 376:cb4d9db17537 | 355 | /* Set the SYNCSPOL bits according to Polarity value */ |
| mbed_official | 376:cb4d9db17537 | 356 | CRS->CFGR |= pInit->Polarity; |
| mbed_official | 376:cb4d9db17537 | 357 | |
| mbed_official | 376:cb4d9db17537 | 358 | /* Configure Frequency Error Measurement */ |
| mbed_official | 376:cb4d9db17537 | 359 | /* Clear RELOAD[15:0] & FELIM[7:0] bits*/ |
| mbed_official | 376:cb4d9db17537 | 360 | CRS->CFGR &= ~(CRS_CFGR_RELOAD | CRS_CFGR_FELIM); |
| mbed_official | 376:cb4d9db17537 | 361 | |
| mbed_official | 376:cb4d9db17537 | 362 | /* Set the RELOAD[15:0] bits according to ReloadValue value */ |
| mbed_official | 376:cb4d9db17537 | 363 | CRS->CFGR |= pInit->ReloadValue; |
| mbed_official | 376:cb4d9db17537 | 364 | |
| mbed_official | 376:cb4d9db17537 | 365 | /* Set the FELIM[7:0] bits according to ErrorLimitValue value */ |
| mbed_official | 376:cb4d9db17537 | 366 | CRS->CFGR |= (pInit->ErrorLimitValue << CRS_CFGR_FELIM_BITNUMBER); |
| mbed_official | 376:cb4d9db17537 | 367 | |
| mbed_official | 376:cb4d9db17537 | 368 | /* Adjust HSI48 oscillator smooth trimming */ |
| mbed_official | 376:cb4d9db17537 | 369 | /* Clear TRIM[5:0] bits */ |
| mbed_official | 376:cb4d9db17537 | 370 | CRS->CR &= ~CRS_CR_TRIM; |
| mbed_official | 376:cb4d9db17537 | 371 | |
| mbed_official | 376:cb4d9db17537 | 372 | /* Set the TRIM[5:0] bits according to RCC_CRS_HSI48CalibrationValue value */ |
| mbed_official | 376:cb4d9db17537 | 373 | CRS->CR |= (pInit->HSI48CalibrationValue << CRS_CR_TRIM_BITNUMBER); |
| mbed_official | 376:cb4d9db17537 | 374 | |
| mbed_official | 376:cb4d9db17537 | 375 | |
| mbed_official | 376:cb4d9db17537 | 376 | /* START AUTOMATIC SYNCHRONIZATION*/ |
| mbed_official | 376:cb4d9db17537 | 377 | |
| mbed_official | 376:cb4d9db17537 | 378 | /* Enable Automatic trimming */ |
| mbed_official | 376:cb4d9db17537 | 379 | __HAL_RCC_CRS_ENABLE_AUTOMATIC_CALIB(); |
| mbed_official | 376:cb4d9db17537 | 380 | |
| mbed_official | 376:cb4d9db17537 | 381 | /* Enable Frequency error counter */ |
| mbed_official | 376:cb4d9db17537 | 382 | __HAL_RCC_CRS_ENABLE_FREQ_ERROR_COUNTER(); |
| mbed_official | 376:cb4d9db17537 | 383 | |
| mbed_official | 376:cb4d9db17537 | 384 | } |
| mbed_official | 376:cb4d9db17537 | 385 | |
| mbed_official | 376:cb4d9db17537 | 386 | /** |
| mbed_official | 376:cb4d9db17537 | 387 | * @brief Generate the software synchronization event |
| mbed_official | 376:cb4d9db17537 | 388 | * @param None |
| mbed_official | 376:cb4d9db17537 | 389 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 390 | */ |
| mbed_official | 376:cb4d9db17537 | 391 | void HAL_RCCEx_CRSSoftwareSynchronizationGenerate(void) |
| mbed_official | 376:cb4d9db17537 | 392 | { |
| mbed_official | 376:cb4d9db17537 | 393 | CRS->CR |= CRS_CR_SWSYNC; |
| mbed_official | 376:cb4d9db17537 | 394 | } |
| mbed_official | 376:cb4d9db17537 | 395 | |
| mbed_official | 376:cb4d9db17537 | 396 | |
| mbed_official | 376:cb4d9db17537 | 397 | /** |
| mbed_official | 376:cb4d9db17537 | 398 | * @brief Function to return synchronization info |
| mbed_official | 376:cb4d9db17537 | 399 | * @param pSynchroInfo Pointer on RCC_CRSSynchroInfoTypeDef structure |
| mbed_official | 376:cb4d9db17537 | 400 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 401 | */ |
| mbed_official | 376:cb4d9db17537 | 402 | void HAL_RCCEx_CRSGetSynchronizationInfo(RCC_CRSSynchroInfoTypeDef *pSynchroInfo) |
| mbed_official | 376:cb4d9db17537 | 403 | { |
| mbed_official | 376:cb4d9db17537 | 404 | /* Check the parameter */ |
| mbed_official | 376:cb4d9db17537 | 405 | assert_param(pSynchroInfo != NULL); |
| mbed_official | 376:cb4d9db17537 | 406 | |
| mbed_official | 376:cb4d9db17537 | 407 | /* Get the reload value */ |
| mbed_official | 376:cb4d9db17537 | 408 | pSynchroInfo->ReloadValue = (uint32_t)(CRS->CFGR & CRS_CFGR_RELOAD); |
| mbed_official | 376:cb4d9db17537 | 409 | |
| mbed_official | 376:cb4d9db17537 | 410 | /* Get HSI48 oscillator smooth trimming */ |
| mbed_official | 376:cb4d9db17537 | 411 | pSynchroInfo->HSI48CalibrationValue = (uint32_t)((CRS->CR & CRS_CR_TRIM) >> CRS_CR_TRIM_BITNUMBER); |
| mbed_official | 376:cb4d9db17537 | 412 | |
| mbed_official | 376:cb4d9db17537 | 413 | /* Get Frequency error capture */ |
| mbed_official | 376:cb4d9db17537 | 414 | pSynchroInfo->FreqErrorCapture = (uint32_t)((CRS->ISR & CRS_ISR_FECAP) >> CRS_ISR_FECAP_BITNUMBER); |
| mbed_official | 376:cb4d9db17537 | 415 | |
| mbed_official | 376:cb4d9db17537 | 416 | /* Get Frequency error direction */ |
| mbed_official | 376:cb4d9db17537 | 417 | pSynchroInfo->FreqErrorDirection = (uint32_t)(CRS->ISR & CRS_ISR_FEDIR); |
| mbed_official | 376:cb4d9db17537 | 418 | |
| mbed_official | 376:cb4d9db17537 | 419 | |
| mbed_official | 376:cb4d9db17537 | 420 | } |
| mbed_official | 376:cb4d9db17537 | 421 | |
| mbed_official | 376:cb4d9db17537 | 422 | /** |
| mbed_official | 376:cb4d9db17537 | 423 | * @brief This function handles CRS Synchronization Timeout. |
| mbed_official | 376:cb4d9db17537 | 424 | * @param Timeout: Duration of the timeout |
| mbed_official | 376:cb4d9db17537 | 425 | * @note Timeout is based on the maximum time to receive a SYNC event based on synchronization |
| mbed_official | 376:cb4d9db17537 | 426 | * frequency. |
| mbed_official | 376:cb4d9db17537 | 427 | * @note If Timeout set to HAL_MAX_DELAY, HAL_TIMEOUT will be never returned. |
| mbed_official | 376:cb4d9db17537 | 428 | * @retval Combination of Synchronization status |
| mbed_official | 376:cb4d9db17537 | 429 | * This parameter can be a combination of the following values: |
| mbed_official | 376:cb4d9db17537 | 430 | * @arg RCC_CRS_TIMEOUT |
| mbed_official | 376:cb4d9db17537 | 431 | * @arg RCC_CRS_SYNCOK |
| mbed_official | 376:cb4d9db17537 | 432 | * @arg RCC_CRS_SYNCWARM |
| mbed_official | 376:cb4d9db17537 | 433 | * @arg RCC_CRS_SYNCERR |
| mbed_official | 376:cb4d9db17537 | 434 | * @arg RCC_CRS_SYNCMISS |
| mbed_official | 376:cb4d9db17537 | 435 | * @arg RCC_CRS_TRIMOV |
| mbed_official | 376:cb4d9db17537 | 436 | */ |
| mbed_official | 376:cb4d9db17537 | 437 | RCC_CRSStatusTypeDef HAL_RCCEx_CRSWaitSynchronization(uint32_t Timeout) |
| mbed_official | 376:cb4d9db17537 | 438 | { |
| mbed_official | 376:cb4d9db17537 | 439 | RCC_CRSStatusTypeDef crsstatus = RCC_CRS_NONE; |
| mbed_official | 376:cb4d9db17537 | 440 | uint32_t tickstart = 0; |
| mbed_official | 376:cb4d9db17537 | 441 | |
| mbed_official | 376:cb4d9db17537 | 442 | /* Get timeout */ |
| mbed_official | 376:cb4d9db17537 | 443 | tickstart = HAL_GetTick(); |
| mbed_official | 376:cb4d9db17537 | 444 | |
| mbed_official | 376:cb4d9db17537 | 445 | /* Check that if one of CRS flags have been set */ |
| mbed_official | 376:cb4d9db17537 | 446 | while(RCC_CRS_NONE == crsstatus) |
| mbed_official | 376:cb4d9db17537 | 447 | { |
| mbed_official | 376:cb4d9db17537 | 448 | if(Timeout != HAL_MAX_DELAY) |
| mbed_official | 376:cb4d9db17537 | 449 | { |
| mbed_official | 376:cb4d9db17537 | 450 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
| mbed_official | 376:cb4d9db17537 | 451 | { |
| mbed_official | 376:cb4d9db17537 | 452 | crsstatus = RCC_CRS_TIMEOUT; |
| mbed_official | 376:cb4d9db17537 | 453 | } |
| mbed_official | 376:cb4d9db17537 | 454 | } |
| mbed_official | 376:cb4d9db17537 | 455 | /* Check CRS SYNCOK flag */ |
| mbed_official | 376:cb4d9db17537 | 456 | if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCOK)) |
| mbed_official | 376:cb4d9db17537 | 457 | { |
| mbed_official | 376:cb4d9db17537 | 458 | /* CRS SYNC event OK */ |
| mbed_official | 376:cb4d9db17537 | 459 | crsstatus |= RCC_CRS_SYNCOK; |
| mbed_official | 376:cb4d9db17537 | 460 | |
| mbed_official | 376:cb4d9db17537 | 461 | /* Clear CRS SYNC event OK bit */ |
| mbed_official | 376:cb4d9db17537 | 462 | __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCOK); |
| mbed_official | 376:cb4d9db17537 | 463 | } |
| mbed_official | 376:cb4d9db17537 | 464 | |
| mbed_official | 376:cb4d9db17537 | 465 | /* Check CRS SYNCWARN flag */ |
| mbed_official | 376:cb4d9db17537 | 466 | if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCWARN)) |
| mbed_official | 376:cb4d9db17537 | 467 | { |
| mbed_official | 376:cb4d9db17537 | 468 | /* CRS SYNC warning */ |
| mbed_official | 376:cb4d9db17537 | 469 | crsstatus |= RCC_CRS_SYNCWARM; |
| mbed_official | 376:cb4d9db17537 | 470 | |
| mbed_official | 376:cb4d9db17537 | 471 | /* Clear CRS SYNCWARN bit */ |
| mbed_official | 376:cb4d9db17537 | 472 | __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCWARN); |
| mbed_official | 376:cb4d9db17537 | 473 | } |
| mbed_official | 376:cb4d9db17537 | 474 | |
| mbed_official | 376:cb4d9db17537 | 475 | /* Check CRS TRIM overflow flag */ |
| mbed_official | 376:cb4d9db17537 | 476 | if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_TRIMOVF)) |
| mbed_official | 376:cb4d9db17537 | 477 | { |
| mbed_official | 376:cb4d9db17537 | 478 | /* CRS SYNC Error */ |
| mbed_official | 376:cb4d9db17537 | 479 | crsstatus |= RCC_CRS_TRIMOV; |
| mbed_official | 376:cb4d9db17537 | 480 | |
| mbed_official | 376:cb4d9db17537 | 481 | /* Clear CRS Error bit */ |
| mbed_official | 376:cb4d9db17537 | 482 | __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_TRIMOVF); |
| mbed_official | 376:cb4d9db17537 | 483 | } |
| mbed_official | 376:cb4d9db17537 | 484 | |
| mbed_official | 376:cb4d9db17537 | 485 | /* Check CRS Error flag */ |
| mbed_official | 376:cb4d9db17537 | 486 | if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCERR)) |
| mbed_official | 376:cb4d9db17537 | 487 | { |
| mbed_official | 376:cb4d9db17537 | 488 | /* CRS SYNC Error */ |
| mbed_official | 376:cb4d9db17537 | 489 | crsstatus |= RCC_CRS_SYNCERR; |
| mbed_official | 376:cb4d9db17537 | 490 | |
| mbed_official | 376:cb4d9db17537 | 491 | /* Clear CRS Error bit */ |
| mbed_official | 376:cb4d9db17537 | 492 | __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCERR); |
| mbed_official | 376:cb4d9db17537 | 493 | } |
| mbed_official | 376:cb4d9db17537 | 494 | |
| mbed_official | 376:cb4d9db17537 | 495 | /* Check CRS SYNC Missed flag */ |
| mbed_official | 376:cb4d9db17537 | 496 | if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_SYNCMISS)) |
| mbed_official | 376:cb4d9db17537 | 497 | { |
| mbed_official | 376:cb4d9db17537 | 498 | /* CRS SYNC Missed */ |
| mbed_official | 376:cb4d9db17537 | 499 | crsstatus |= RCC_CRS_SYNCMISS; |
| mbed_official | 376:cb4d9db17537 | 500 | |
| mbed_official | 376:cb4d9db17537 | 501 | /* Clear CRS SYNC Missed bit */ |
| mbed_official | 376:cb4d9db17537 | 502 | __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_SYNCMISS); |
| mbed_official | 376:cb4d9db17537 | 503 | } |
| mbed_official | 376:cb4d9db17537 | 504 | |
| mbed_official | 376:cb4d9db17537 | 505 | /* Check CRS Expected SYNC flag */ |
| mbed_official | 376:cb4d9db17537 | 506 | if(__HAL_RCC_CRS_GET_FLAG(RCC_CRS_FLAG_ESYNC)) |
| mbed_official | 376:cb4d9db17537 | 507 | { |
| mbed_official | 376:cb4d9db17537 | 508 | /* frequency error counter reached a zero value */ |
| mbed_official | 376:cb4d9db17537 | 509 | __HAL_RCC_CRS_CLEAR_FLAG(RCC_CRS_FLAG_ESYNC); |
| mbed_official | 376:cb4d9db17537 | 510 | } |
| mbed_official | 376:cb4d9db17537 | 511 | } |
| mbed_official | 376:cb4d9db17537 | 512 | |
| mbed_official | 376:cb4d9db17537 | 513 | return crsstatus; |
| mbed_official | 376:cb4d9db17537 | 514 | } |
| mbed_official | 376:cb4d9db17537 | 515 | |
| mbed_official | 376:cb4d9db17537 | 516 | #endif /* !(STM32L051xx) && !(STM32L061xx) */ |
| mbed_official | 376:cb4d9db17537 | 517 | |
| mbed_official | 376:cb4d9db17537 | 518 | /** |
| mbed_official | 376:cb4d9db17537 | 519 | * @} |
| mbed_official | 376:cb4d9db17537 | 520 | */ |
| mbed_official | 376:cb4d9db17537 | 521 | |
| mbed_official | 376:cb4d9db17537 | 522 | /** |
| mbed_official | 376:cb4d9db17537 | 523 | * @} |
| mbed_official | 376:cb4d9db17537 | 524 | */ |
| mbed_official | 376:cb4d9db17537 | 525 | |
| mbed_official | 376:cb4d9db17537 | 526 | #endif /* HAL_RCC_MODULE_ENABLED */ |
| mbed_official | 376:cb4d9db17537 | 527 | /** |
| mbed_official | 376:cb4d9db17537 | 528 | * @} |
| mbed_official | 376:cb4d9db17537 | 529 | */ |
| mbed_official | 376:cb4d9db17537 | 530 | |
| mbed_official | 376:cb4d9db17537 | 531 | /** |
| mbed_official | 376:cb4d9db17537 | 532 | * @} |
| mbed_official | 376:cb4d9db17537 | 533 | */ |
| mbed_official | 376:cb4d9db17537 | 534 | |
| mbed_official | 376:cb4d9db17537 | 535 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
