Subversion Repositories EngineBay2

Rev

Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /**
  2.   ******************************************************************************
  3.   * @file    stm32l1xx_hal_rcc.h
  4.   * @author  MCD Application Team
  5.   * @version V1.2.0
  6.   * @date    01-July-2016
  7.   * @brief   Header file of RCC HAL module.
  8.   ******************************************************************************
  9.   * @attention
  10.   *
  11.   * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  12.   *
  13.   * Redistribution and use in source and binary forms, with or without modification,
  14.   * are permitted provided that the following conditions are met:
  15.   *   1. Redistributions of source code must retain the above copyright notice,
  16.   *      this list of conditions and the following disclaimer.
  17.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  18.   *      this list of conditions and the following disclaimer in the documentation
  19.   *      and/or other materials provided with the distribution.
  20.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  21.   *      may be used to endorse or promote products derived from this software
  22.   *      without specific prior written permission.
  23.   *
  24.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34.   *
  35.   ******************************************************************************
  36.   */
  37.  
  38. /* Define to prevent recursive inclusion -------------------------------------*/
  39. #ifndef __STM32L1xx_HAL_RCC_H
  40. #define __STM32L1xx_HAL_RCC_H
  41.  
  42. #ifdef __cplusplus
  43.  extern "C" {
  44. #endif
  45.  
  46. /* Includes ------------------------------------------------------------------*/
  47. #include "stm32l1xx_hal_def.h"
  48.  
  49. /** @addtogroup STM32L1xx_HAL_Driver
  50.   * @{
  51.   */
  52.  
  53. /** @addtogroup RCC
  54.   * @{
  55.   */
  56.  
  57. /** @addtogroup RCC_Private_Constants
  58.   * @{
  59.   */
  60.  
  61. /** @defgroup RCC_Timeout RCC Timeout
  62.   * @{
  63.   */
  64.  
  65. /* Disable Backup domain write protection state change timeout */
  66. #define RCC_DBP_TIMEOUT_VALUE      (100U)       /* 100 ms */
  67. /* LSE state change timeout */
  68. #define RCC_LSE_TIMEOUT_VALUE      LSE_STARTUP_TIMEOUT
  69. #define CLOCKSWITCH_TIMEOUT_VALUE  (5000U)  /* 5 s    */
  70. #define HSE_TIMEOUT_VALUE          HSE_STARTUP_TIMEOUT
  71. #define MSI_TIMEOUT_VALUE          (2U)      /* 2 ms (minimum Tick + 1) */
  72. #define HSI_TIMEOUT_VALUE          (2U)      /* 2 ms (minimum Tick + 1) */
  73. #define LSI_TIMEOUT_VALUE          (2U)      /* 2 ms (minimum Tick + 1) */
  74. #define PLL_TIMEOUT_VALUE          (2U)      /* 2 ms (minimum Tick + 1) */
  75. /**
  76.   * @}
  77.   */
  78.  
  79. /** @defgroup RCC_Register_Offset Register offsets
  80.   * @{
  81.   */
  82. #define RCC_OFFSET                (RCC_BASE - PERIPH_BASE)
  83. #define RCC_CR_OFFSET             0x00
  84. #define RCC_CFGR_OFFSET           0x08
  85. #define RCC_CIR_OFFSET            0x0C
  86. #define RCC_CSR_OFFSET            0x34
  87. /**
  88.   * @}
  89.   */
  90.  
  91. /** @defgroup RCC_BitAddress_AliasRegion BitAddress AliasRegion
  92.   * @brief RCC registers bit address in the alias region
  93.   * @{
  94.   */
  95. #define RCC_CR_OFFSET_BB          (RCC_OFFSET + RCC_CR_OFFSET)
  96. #define RCC_CFGR_OFFSET_BB        (RCC_OFFSET + RCC_CFGR_OFFSET)
  97. #define RCC_CIR_OFFSET_BB         (RCC_OFFSET + RCC_CIR_OFFSET)
  98. #define RCC_CSR_OFFSET_BB         (RCC_OFFSET + RCC_CSR_OFFSET)
  99.  
  100. /* --- CR Register ---*/
  101. /* Alias word address of HSION bit */
  102. #define RCC_HSION_BIT_NUMBER      POSITION_VAL(RCC_CR_HSION)
  103. #define RCC_CR_HSION_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32) + (RCC_HSION_BIT_NUMBER * 4)))
  104. /* Alias word address of MSION bit */
  105. #define RCC_MSION_BIT_NUMBER      POSITION_VAL(RCC_CR_MSION)
  106. #define RCC_CR_MSION_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32) + (RCC_MSION_BIT_NUMBER * 4)))
  107. /* Alias word address of HSEON bit */
  108. #define RCC_HSEON_BIT_NUMBER      POSITION_VAL(RCC_CR_HSEON)
  109. #define RCC_CR_HSEON_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32) + (RCC_HSEON_BIT_NUMBER * 4)))
  110. /* Alias word address of CSSON bit */
  111. #define RCC_CSSON_BIT_NUMBER      POSITION_VAL(RCC_CR_CSSON)
  112. #define RCC_CR_CSSON_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32) + (RCC_CSSON_BIT_NUMBER * 4)))
  113. /* Alias word address of PLLON bit */
  114. #define RCC_PLLON_BIT_NUMBER      POSITION_VAL(RCC_CR_PLLON)
  115. #define RCC_CR_PLLON_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32) + (RCC_PLLON_BIT_NUMBER * 4)))
  116.  
  117. /* --- CSR Register ---*/
  118. /* Alias word address of LSION bit */
  119. #define RCC_LSION_BIT_NUMBER      POSITION_VAL(RCC_CSR_LSION)
  120. #define RCC_CSR_LSION_BB          ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32) + (RCC_LSION_BIT_NUMBER * 4)))
  121.  
  122. /* Alias word address of RMVF bit */
  123. #define RCC_RMVF_BIT_NUMBER       POSITION_VAL(RCC_CSR_RMVF)
  124. #define RCC_CSR_RMVF_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32) + (RCC_RMVF_BIT_NUMBER * 4)))
  125.  
  126. /* Alias word address of LSEON bit */
  127. #define RCC_LSEON_BIT_NUMBER      POSITION_VAL(RCC_CSR_LSEON)
  128. #define RCC_CSR_LSEON_BB          ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32) + (RCC_LSEON_BIT_NUMBER * 4)))
  129.  
  130. /* Alias word address of LSEON bit */
  131. #define RCC_LSEBYP_BIT_NUMBER     POSITION_VAL(RCC_CSR_LSEBYP)
  132. #define RCC_CSR_LSEBYP_BB         ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32) + (RCC_LSEBYP_BIT_NUMBER * 4)))
  133.  
  134. /* Alias word address of RTCEN bit */
  135. #define RCC_RTCEN_BIT_NUMBER      POSITION_VAL(RCC_CSR_RTCEN)
  136. #define RCC_CSR_RTCEN_BB          ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32) + (RCC_RTCEN_BIT_NUMBER * 4)))
  137.  
  138. /* Alias word address of RTCRST bit */
  139. #define RCC_RTCRST_BIT_NUMBER     POSITION_VAL(RCC_CSR_RTCRST)
  140. #define RCC_CSR_RTCRST_BB         ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32) + (RCC_RTCRST_BIT_NUMBER * 4)))
  141.  
  142. /**
  143.   * @}
  144.   */
  145.  
  146. /* CR register byte 2 (Bits[23:16]) base address */
  147. #define RCC_CR_BYTE2_ADDRESS          ((uint32_t)(RCC_BASE + RCC_CR_OFFSET + 0x02))
  148.  
  149. /* CIR register byte 1 (Bits[15:8]) base address */
  150. #define RCC_CIR_BYTE1_ADDRESS     ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x01))
  151.  
  152. /* CIR register byte 2 (Bits[23:16]) base address */
  153. #define RCC_CIR_BYTE2_ADDRESS     ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x02))
  154.  
  155. /* Defines used for Flags */
  156. #define CR_REG_INDEX                     ((uint8_t)1)
  157. #define CSR_REG_INDEX                    ((uint8_t)2)
  158.  
  159. #define RCC_FLAG_MASK                    ((uint8_t)0x1F)
  160.  
  161. /**
  162.   * @}
  163.   */
  164.  
  165. /** @addtogroup RCC_Private_Macros
  166.   * @{
  167.   */
  168. #define IS_RCC_PLLSOURCE(__SOURCE__) (((__SOURCE__) == RCC_PLLSOURCE_HSI) || \
  169.                                       ((__SOURCE__) == RCC_PLLSOURCE_HSE))
  170. #define IS_RCC_OSCILLATORTYPE(__OSCILLATOR__) (((__OSCILLATOR__) == RCC_OSCILLATORTYPE_NONE)                           || \
  171.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE) || \
  172.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI) || \
  173.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI) || \
  174.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE) || \
  175.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_MSI) == RCC_OSCILLATORTYPE_MSI))
  176. #define IS_RCC_HSE(__HSE__) (((__HSE__) == RCC_HSE_OFF) || ((__HSE__) == RCC_HSE_ON) || \
  177.                              ((__HSE__) == RCC_HSE_BYPASS))
  178. #define IS_RCC_LSE(__LSE__) (((__LSE__) == RCC_LSE_OFF) || ((__LSE__) == RCC_LSE_ON) || \
  179.                              ((__LSE__) == RCC_LSE_BYPASS))
  180. #define IS_RCC_HSI(__HSI__) (((__HSI__) == RCC_HSI_OFF) || ((__HSI__) == RCC_HSI_ON))
  181. #define IS_RCC_CALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0x1F)
  182. #define IS_RCC_MSICALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0xFF)
  183. #define IS_RCC_MSI_CLOCK_RANGE(__RANGE__)  (((__RANGE__) == RCC_MSIRANGE_0) || \
  184.                                             ((__RANGE__) == RCC_MSIRANGE_1) || \
  185.                                             ((__RANGE__) == RCC_MSIRANGE_2) || \
  186.                                             ((__RANGE__) == RCC_MSIRANGE_3) || \
  187.                                             ((__RANGE__) == RCC_MSIRANGE_4) || \
  188.                                             ((__RANGE__) == RCC_MSIRANGE_5) || \
  189.                                             ((__RANGE__) == RCC_MSIRANGE_6))
  190. #define IS_RCC_LSI(__LSI__) (((__LSI__) == RCC_LSI_OFF) || ((__LSI__) == RCC_LSI_ON))
  191. #define IS_RCC_MSI(__MSI__) (((__MSI__) == RCC_MSI_OFF) || ((__MSI__) == RCC_MSI_ON))
  192.  
  193. #define IS_RCC_PLL(__PLL__) (((__PLL__) == RCC_PLL_NONE) || ((__PLL__) == RCC_PLL_OFF) || \
  194.                              ((__PLL__) == RCC_PLL_ON))
  195. #define IS_RCC_PLL_DIV(__DIV__) (((__DIV__) == RCC_PLL_DIV2) || \
  196.                                  ((__DIV__) == RCC_PLL_DIV3) || ((__DIV__) == RCC_PLL_DIV4))
  197.  
  198. #define IS_RCC_PLL_MUL(__MUL__) (((__MUL__) == RCC_PLL_MUL3)  || ((__MUL__) == RCC_PLL_MUL4)  || \
  199.                                  ((__MUL__) == RCC_PLL_MUL6)  || ((__MUL__) == RCC_PLL_MUL8)  || \
  200.                                  ((__MUL__) == RCC_PLL_MUL12) || ((__MUL__) == RCC_PLL_MUL16) || \
  201.                                  ((__MUL__) == RCC_PLL_MUL24) || ((__MUL__) == RCC_PLL_MUL32) || \
  202.                                  ((__MUL__) == RCC_PLL_MUL48))
  203. #define IS_RCC_CLOCKTYPE(CLK) ((((CLK) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK) || \
  204.                                (((CLK) & RCC_CLOCKTYPE_HCLK)   == RCC_CLOCKTYPE_HCLK)   || \
  205.                                (((CLK) & RCC_CLOCKTYPE_PCLK1)  == RCC_CLOCKTYPE_PCLK1)  || \
  206.                                (((CLK) & RCC_CLOCKTYPE_PCLK2)  == RCC_CLOCKTYPE_PCLK2))
  207. #define IS_RCC_SYSCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_SYSCLKSOURCE_MSI) || \
  208.                                          ((__SOURCE__) == RCC_SYSCLKSOURCE_HSI) || \
  209.                                          ((__SOURCE__) == RCC_SYSCLKSOURCE_HSE) || \
  210.                                          ((__SOURCE__) == RCC_SYSCLKSOURCE_PLLCLK))
  211. #define IS_RCC_SYSCLKSOURCE_STATUS(__SOURCE__) (((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_MSI) || \
  212.                                                 ((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_HSI) || \
  213.                                                 ((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_HSE) || \
  214.                                                 ((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_PLLCLK))
  215. #define IS_RCC_HCLK(__HCLK__) (((__HCLK__) == RCC_SYSCLK_DIV1) || ((__HCLK__) == RCC_SYSCLK_DIV2) || \
  216.                                ((__HCLK__) == RCC_SYSCLK_DIV4) || ((__HCLK__) == RCC_SYSCLK_DIV8) || \
  217.                                ((__HCLK__) == RCC_SYSCLK_DIV16) || ((__HCLK__) == RCC_SYSCLK_DIV64) || \
  218.                                ((__HCLK__) == RCC_SYSCLK_DIV128) || ((__HCLK__) == RCC_SYSCLK_DIV256) || \
  219.                                ((__HCLK__) == RCC_SYSCLK_DIV512))
  220. #define IS_RCC_PCLK(__PCLK__) (((__PCLK__) == RCC_HCLK_DIV1) || ((__PCLK__) == RCC_HCLK_DIV2) || \
  221.                                ((__PCLK__) == RCC_HCLK_DIV4) || ((__PCLK__) == RCC_HCLK_DIV8) || \
  222.                                ((__PCLK__) == RCC_HCLK_DIV16))
  223. #define IS_RCC_MCO(__MCO__)  ((__MCO__) == RCC_MCO)
  224. #define IS_RCC_MCODIV(__DIV__) (((__DIV__) == RCC_MCODIV_1) || ((__DIV__) == RCC_MCODIV_2) || \
  225.                                 ((__DIV__) == RCC_MCODIV_4) || ((__DIV__) == RCC_MCODIV_8) || \
  226.                                 ((__DIV__) == RCC_MCODIV_16))
  227. #define IS_RCC_MCO1SOURCE(__SOURCE__) (((__SOURCE__) == RCC_MCO1SOURCE_SYSCLK) || ((__SOURCE__) == RCC_MCO1SOURCE_MSI) \
  228.                                     || ((__SOURCE__) == RCC_MCO1SOURCE_HSI)    || ((__SOURCE__) == RCC_MCO1SOURCE_LSE) \
  229.                                     || ((__SOURCE__) == RCC_MCO1SOURCE_LSI)    || ((__SOURCE__) == RCC_MCO1SOURCE_HSE) \
  230.                                     || ((__SOURCE__) == RCC_MCO1SOURCE_PLLCLK) || ((__SOURCE__) == RCC_MCO1SOURCE_NOCLOCK))
  231. #define IS_RCC_RTCCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_RTCCLKSOURCE_NO_CLK)   || \
  232.                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_LSE)      || \
  233.                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI)      || \
  234.                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV2) || \
  235.                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV4) || \
  236.                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV8) || \
  237.                                          ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV16))
  238.  
  239. /**
  240.   * @}
  241.   */
  242.  
  243. /* Exported types ------------------------------------------------------------*/
  244.  
  245. /** @defgroup RCC_Exported_Types RCC Exported Types
  246.   * @{
  247.   */
  248.  
  249. /**
  250.   * @brief  RCC PLL configuration structure definition  
  251.   */
  252. typedef struct
  253. {
  254.   uint32_t PLLState;      /*!< PLLState: The new state of the PLL.
  255.                               This parameter can be a value of @ref RCC_PLL_Config */
  256.  
  257.   uint32_t PLLSource;     /*!< PLLSource: PLL entry clock source.
  258.                               This parameter must be a value of @ref RCC_PLL_Clock_Source */          
  259.  
  260.   uint32_t PLLMUL;        /*!< PLLMUL: Multiplication factor for PLL VCO input clock
  261.                               This parameter must be a value of @ref RCC_PLL_Multiplication_Factor*/      
  262.  
  263.   uint32_t PLLDIV;        /*!< PLLDIV: Division factor for PLL VCO input clock
  264.                               This parameter must be a value of @ref RCC_PLL_Division_Factor*/      
  265. } RCC_PLLInitTypeDef;
  266.    
  267. /**
  268.   * @brief  RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition  
  269.   */
  270. typedef struct
  271. {
  272.   uint32_t OscillatorType;        /*!< The oscillators to be configured.
  273.                                        This parameter can be a value of @ref RCC_Oscillator_Type */
  274.  
  275.   uint32_t HSEState;              /*!< The new state of the HSE.
  276.                                        This parameter can be a value of @ref RCC_HSE_Config */
  277.  
  278.   uint32_t LSEState;              /*!< The new state of the LSE.
  279.                                        This parameter can be a value of @ref RCC_LSE_Config */
  280.  
  281.   uint32_t HSIState;              /*!< The new state of the HSI.
  282.                                        This parameter can be a value of @ref RCC_HSI_Config */
  283.  
  284.   uint32_t HSICalibrationValue;   /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
  285.                                        This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
  286.  
  287.   uint32_t LSIState;              /*!< The new state of the LSI.
  288.                                        This parameter can be a value of @ref RCC_LSI_Config */
  289.  
  290.   uint32_t MSIState;              /*!< The new state of the MSI.
  291.                                        This parameter can be a value of @ref RCC_MSI_Config */
  292.  
  293.   uint32_t MSICalibrationValue;   /*!< The MSI calibration trimming value. (default is RCC_MSICALIBRATION_DEFAULT).
  294.                                        This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFF */
  295.  
  296.   uint32_t MSIClockRange;         /*!< The MSI  frequency  range.
  297.                                         This parameter can be a value of @ref RCC_MSI_Clock_Range */
  298.  
  299.   RCC_PLLInitTypeDef PLL;         /*!< PLL structure parameters */    
  300.  
  301. } RCC_OscInitTypeDef;
  302.  
  303. /**
  304.   * @brief  RCC System, AHB and APB busses clock configuration structure definition  
  305.   */
  306. typedef struct
  307. {
  308.   uint32_t ClockType;             /*!< The clock to be configured.
  309.                                        This parameter can be a value of @ref RCC_System_Clock_Type */
  310.  
  311.   uint32_t SYSCLKSource;          /*!< The clock source (SYSCLKS) used as system clock.
  312.                                        This parameter can be a value of @ref RCC_System_Clock_Source */
  313.  
  314.   uint32_t AHBCLKDivider;         /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  315.                                        This parameter can be a value of @ref RCC_AHB_Clock_Source */
  316.  
  317.   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  318.                                        This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  319.  
  320.   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
  321.                                        This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  322. } RCC_ClkInitTypeDef;
  323.  
  324. /**
  325.   * @}
  326.   */
  327.  
  328. /* Exported constants --------------------------------------------------------*/
  329. /** @defgroup RCC_Exported_Constants RCC Exported Constants
  330.   * @{
  331.   */
  332.  
  333. /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  334.   * @{
  335.   */
  336.  
  337. #define RCC_PLLSOURCE_HSI           RCC_CFGR_PLLSRC_HSI        /*!< HSI clock selected as PLL entry clock source */
  338. #define RCC_PLLSOURCE_HSE           RCC_CFGR_PLLSRC_HSE        /*!< HSE clock selected as PLL entry clock source */
  339.  
  340. /**
  341.   * @}
  342.   */
  343.  
  344. /** @defgroup RCC_Oscillator_Type Oscillator Type
  345.   * @{
  346.   */
  347. #define RCC_OSCILLATORTYPE_NONE            ((uint32_t)0x00000000)
  348. #define RCC_OSCILLATORTYPE_HSE             ((uint32_t)0x00000001)
  349. #define RCC_OSCILLATORTYPE_HSI             ((uint32_t)0x00000002)
  350. #define RCC_OSCILLATORTYPE_LSE             ((uint32_t)0x00000004)
  351. #define RCC_OSCILLATORTYPE_LSI             ((uint32_t)0x00000008)
  352. #define RCC_OSCILLATORTYPE_MSI             ((uint32_t)0x00000010)
  353. /**
  354.   * @}
  355.   */
  356.  
  357. /** @defgroup RCC_HSE_Config HSE Config
  358.   * @{
  359.   */
  360. #define RCC_HSE_OFF                      ((uint32_t)0x00000000)                     /*!< HSE clock deactivation */
  361. #define RCC_HSE_ON                       ((uint32_t)0x00000001)                     /*!< HSE clock activation */
  362. #define RCC_HSE_BYPASS                   ((uint32_t)0x00000005)                     /*!< External clock source for HSE clock */
  363. /**
  364.   * @}
  365.   */
  366.  
  367. /** @defgroup RCC_LSE_Config LSE Config
  368.   * @{
  369.   */
  370. #define RCC_LSE_OFF                      ((uint32_t)0x00000000)                       /*!< LSE clock deactivation */
  371. #define RCC_LSE_ON                       ((uint32_t)0x00000001)                       /*!< LSE clock activation */
  372. #define RCC_LSE_BYPASS                   ((uint32_t)0x00000005)                       /*!< External clock source for LSE clock */
  373.  
  374. /**
  375.   * @}
  376.   */
  377.  
  378. /** @defgroup RCC_HSI_Config HSI Config
  379.   * @{
  380.   */
  381. #define RCC_HSI_OFF                      ((uint32_t)0x00000000)           /*!< HSI clock deactivation */
  382. #define RCC_HSI_ON                       RCC_CR_HSION                     /*!< HSI clock activation */
  383.  
  384. #define RCC_HSICALIBRATION_DEFAULT       ((uint32_t)0x10)         /* Default HSI calibration trimming value */
  385.  
  386. /**
  387.   * @}
  388.   */
  389.  
  390. /** @defgroup RCC_MSI_Clock_Range MSI Clock Range
  391.   * @{
  392.   */
  393.  
  394. #define RCC_MSIRANGE_0                   RCC_ICSCR_MSIRANGE_0 /*!< MSI = 65.536 KHz  */
  395. #define RCC_MSIRANGE_1                   RCC_ICSCR_MSIRANGE_1 /*!< MSI = 131.072 KHz */
  396. #define RCC_MSIRANGE_2                   RCC_ICSCR_MSIRANGE_2 /*!< MSI = 262.144 KHz */
  397. #define RCC_MSIRANGE_3                   RCC_ICSCR_MSIRANGE_3 /*!< MSI = 524.288 KHz */
  398. #define RCC_MSIRANGE_4                   RCC_ICSCR_MSIRANGE_4 /*!< MSI = 1.048 MHz   */
  399. #define RCC_MSIRANGE_5                   RCC_ICSCR_MSIRANGE_5 /*!< MSI = 2.097 MHz   */
  400. #define RCC_MSIRANGE_6                   RCC_ICSCR_MSIRANGE_6 /*!< MSI = 4.194 MHz   */
  401.  
  402. /**
  403.   * @}
  404.   */
  405.  
  406. /** @defgroup RCC_LSI_Config LSI Config
  407.   * @{
  408.   */
  409. #define RCC_LSI_OFF                      ((uint32_t)0x00000000)   /*!< LSI clock deactivation */
  410. #define RCC_LSI_ON                       RCC_CSR_LSION            /*!< LSI clock activation */
  411.  
  412. /**
  413.   * @}
  414.   */
  415.  
  416. /** @defgroup RCC_MSI_Config MSI Config
  417.   * @{
  418.   */
  419. #define RCC_MSI_OFF                      ((uint32_t)0x00000000)
  420. #define RCC_MSI_ON                       ((uint32_t)0x00000001)
  421.  
  422. #define RCC_MSICALIBRATION_DEFAULT       ((uint32_t)0x00000000U)   /* Default MSI calibration trimming value */
  423.  
  424. /**
  425.   * @}
  426.   */
  427.  
  428. /** @defgroup RCC_PLL_Config PLL Config
  429.   * @{
  430.   */
  431. #define RCC_PLL_NONE                      ((uint32_t)0x00000000)  /*!< PLL is not configured */
  432. #define RCC_PLL_OFF                       ((uint32_t)0x00000001)  /*!< PLL deactivation */
  433. #define RCC_PLL_ON                        ((uint32_t)0x00000002)  /*!< PLL activation */
  434.  
  435. /**
  436.   * @}
  437.   */
  438.  
  439. /** @defgroup RCC_System_Clock_Type System Clock Type
  440.   * @{
  441.   */
  442. #define RCC_CLOCKTYPE_SYSCLK             ((uint32_t)0x00000001) /*!< SYSCLK to configure */
  443. #define RCC_CLOCKTYPE_HCLK               ((uint32_t)0x00000002) /*!< HCLK to configure */
  444. #define RCC_CLOCKTYPE_PCLK1              ((uint32_t)0x00000004) /*!< PCLK1 to configure */
  445. #define RCC_CLOCKTYPE_PCLK2              ((uint32_t)0x00000008) /*!< PCLK2 to configure */
  446.  
  447. /**
  448.   * @}
  449.   */
  450.  
  451. /** @defgroup RCC_System_Clock_Source System Clock Source
  452.   * @{
  453.   */
  454. #define RCC_SYSCLKSOURCE_MSI             RCC_CFGR_SW_MSI /*!< MSI selected as system clock */
  455. #define RCC_SYSCLKSOURCE_HSI             RCC_CFGR_SW_HSI /*!< HSI selected as system clock */
  456. #define RCC_SYSCLKSOURCE_HSE             RCC_CFGR_SW_HSE /*!< HSE selected as system clock */
  457. #define RCC_SYSCLKSOURCE_PLLCLK          RCC_CFGR_SW_PLL /*!< PLL selected as system clock */
  458.  
  459. /**
  460.   * @}
  461.   */
  462.  
  463. /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  464.   * @{
  465.   */
  466. #define RCC_SYSCLKSOURCE_STATUS_MSI      RCC_CFGR_SWS_MSI            /*!< MSI used as system clock */
  467. #define RCC_SYSCLKSOURCE_STATUS_HSI      RCC_CFGR_SWS_HSI            /*!< HSI used as system clock */
  468. #define RCC_SYSCLKSOURCE_STATUS_HSE      RCC_CFGR_SWS_HSE            /*!< HSE used as system clock */
  469. #define RCC_SYSCLKSOURCE_STATUS_PLLCLK   RCC_CFGR_SWS_PLL            /*!< PLL used as system clock */
  470.  
  471. /**
  472.   * @}
  473.   */
  474.  
  475. /** @defgroup RCC_AHB_Clock_Source AHB Clock Source
  476.   * @{
  477.   */
  478. #define RCC_SYSCLK_DIV1                  RCC_CFGR_HPRE_DIV1   /*!< SYSCLK not divided */
  479. #define RCC_SYSCLK_DIV2                  RCC_CFGR_HPRE_DIV2   /*!< SYSCLK divided by 2 */
  480. #define RCC_SYSCLK_DIV4                  RCC_CFGR_HPRE_DIV4   /*!< SYSCLK divided by 4 */
  481. #define RCC_SYSCLK_DIV8                  RCC_CFGR_HPRE_DIV8   /*!< SYSCLK divided by 8 */
  482. #define RCC_SYSCLK_DIV16                 RCC_CFGR_HPRE_DIV16  /*!< SYSCLK divided by 16 */
  483. #define RCC_SYSCLK_DIV64                 RCC_CFGR_HPRE_DIV64  /*!< SYSCLK divided by 64 */
  484. #define RCC_SYSCLK_DIV128                RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
  485. #define RCC_SYSCLK_DIV256                RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
  486. #define RCC_SYSCLK_DIV512                RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
  487.  
  488. /**
  489.   * @}
  490.   */
  491.  
  492. /** @defgroup RCC_APB1_APB2_Clock_Source APB1 APB2 Clock Source
  493.   * @{
  494.   */
  495. #define RCC_HCLK_DIV1                    RCC_CFGR_PPRE1_DIV1  /*!< HCLK not divided */
  496. #define RCC_HCLK_DIV2                    RCC_CFGR_PPRE1_DIV2  /*!< HCLK divided by 2 */
  497. #define RCC_HCLK_DIV4                    RCC_CFGR_PPRE1_DIV4  /*!< HCLK divided by 4 */
  498. #define RCC_HCLK_DIV8                    RCC_CFGR_PPRE1_DIV8  /*!< HCLK divided by 8 */
  499. #define RCC_HCLK_DIV16                   RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
  500.  
  501. /**
  502.   * @}
  503.   */
  504.  
  505. /** @defgroup RCC_HAL_EC_RTC_HSE_DIV RTC HSE Prescaler
  506.   * @{
  507.   */
  508. #define RCC_RTC_HSE_DIV_2               (uint32_t)0x00000000U /*!< HSE is divided by 2 for RTC clock  */
  509. #define RCC_RTC_HSE_DIV_4               RCC_CR_RTCPRE_0       /*!< HSE is divided by 4 for RTC clock  */
  510. #define RCC_RTC_HSE_DIV_8               RCC_CR_RTCPRE_1       /*!< HSE is divided by 8 for RTC clock  */
  511. #define RCC_RTC_HSE_DIV_16              RCC_CR_RTCPRE         /*!< HSE is divided by 16 for RTC clock */
  512. /**
  513.   * @}
  514.   */
  515.  
  516. /** @defgroup RCC_RTC_LCD_Clock_Source RTC LCD Clock Source
  517.   * @{
  518.   */
  519. #define RCC_RTCCLKSOURCE_NO_CLK          ((uint32_t)0x00000000)                 /*!< No clock */
  520. #define RCC_RTCCLKSOURCE_LSE             RCC_CSR_RTCSEL_LSE                  /*!< LSE oscillator clock used as RTC clock */
  521. #define RCC_RTCCLKSOURCE_LSI             RCC_CSR_RTCSEL_LSI                  /*!< LSI oscillator clock used as RTC clock */
  522. #define RCC_RTCCLKSOURCE_HSE_DIVX        RCC_CSR_RTCSEL_HSE                         /*!< HSE oscillator clock divided by X used as RTC clock */
  523. #define RCC_RTCCLKSOURCE_HSE_DIV2        (RCC_RTC_HSE_DIV_2  | RCC_CSR_RTCSEL_HSE)  /*!< HSE oscillator clock divided by 2 used as RTC clock */
  524. #define RCC_RTCCLKSOURCE_HSE_DIV4        (RCC_RTC_HSE_DIV_4  | RCC_CSR_RTCSEL_HSE)  /*!< HSE oscillator clock divided by 4 used as RTC clock */
  525. #define RCC_RTCCLKSOURCE_HSE_DIV8        (RCC_RTC_HSE_DIV_8  | RCC_CSR_RTCSEL_HSE)  /*!< HSE oscillator clock divided by 8 used as RTC clock */
  526. #define RCC_RTCCLKSOURCE_HSE_DIV16       (RCC_RTC_HSE_DIV_16 | RCC_CSR_RTCSEL_HSE)  /*!< HSE oscillator clock divided by 16 used as RTC clock */
  527. /**
  528.   * @}
  529.   */
  530.  
  531. /** @defgroup RCC_PLL_Division_Factor PLL Division Factor
  532.   * @{
  533.   */
  534.  
  535. #define RCC_PLL_DIV2                    RCC_CFGR_PLLDIV2
  536. #define RCC_PLL_DIV3                    RCC_CFGR_PLLDIV3
  537. #define RCC_PLL_DIV4                    RCC_CFGR_PLLDIV4
  538.  
  539. /**
  540.   * @}
  541.   */
  542.  
  543. /** @defgroup RCC_PLL_Multiplication_Factor PLL Multiplication Factor
  544.   * @{
  545.   */
  546.  
  547. #define RCC_PLL_MUL3                    RCC_CFGR_PLLMUL3
  548. #define RCC_PLL_MUL4                    RCC_CFGR_PLLMUL4
  549. #define RCC_PLL_MUL6                    RCC_CFGR_PLLMUL6
  550. #define RCC_PLL_MUL8                    RCC_CFGR_PLLMUL8
  551. #define RCC_PLL_MUL12                   RCC_CFGR_PLLMUL12
  552. #define RCC_PLL_MUL16                   RCC_CFGR_PLLMUL16
  553. #define RCC_PLL_MUL24                   RCC_CFGR_PLLMUL24
  554. #define RCC_PLL_MUL32                   RCC_CFGR_PLLMUL32
  555. #define RCC_PLL_MUL48                   RCC_CFGR_PLLMUL48
  556.  
  557. /**
  558.   * @}
  559.   */
  560.  
  561. /** @defgroup RCC_MCO_Index MCO Index
  562.   * @{
  563.   */
  564. #define RCC_MCO1                         ((uint32_t)0x00000000)
  565. #define RCC_MCO                          RCC_MCO1               /*!< MCO1 to be compliant with other families with 2 MCOs*/
  566.  
  567. /**
  568.   * @}
  569.   */
  570.  
  571. /** @defgroup RCC_MCOx_Clock_Prescaler MCO Clock Prescaler
  572.   * @{
  573.   */
  574. #define RCC_MCODIV_1                    ((uint32_t)RCC_CFGR_MCO_DIV1)
  575. #define RCC_MCODIV_2                    ((uint32_t)RCC_CFGR_MCO_DIV2)
  576. #define RCC_MCODIV_4                    ((uint32_t)RCC_CFGR_MCO_DIV4)
  577. #define RCC_MCODIV_8                    ((uint32_t)RCC_CFGR_MCO_DIV8)
  578. #define RCC_MCODIV_16                   ((uint32_t)RCC_CFGR_MCO_DIV16)
  579.  
  580. /**
  581.   * @}
  582.   */
  583.  
  584. /** @defgroup RCC_MCO1_Clock_Source MCO1 Clock Source
  585.   * @{
  586.   */
  587. #define RCC_MCO1SOURCE_NOCLOCK           RCC_CFGR_MCO_NOCLOCK
  588. #define RCC_MCO1SOURCE_SYSCLK            RCC_CFGR_MCO_SYSCLK
  589. #define RCC_MCO1SOURCE_MSI               RCC_CFGR_MCO_MSI
  590. #define RCC_MCO1SOURCE_HSI               RCC_CFGR_MCO_HSI
  591. #define RCC_MCO1SOURCE_LSE               RCC_CFGR_MCO_LSE
  592. #define RCC_MCO1SOURCE_LSI               RCC_CFGR_MCO_LSI
  593. #define RCC_MCO1SOURCE_HSE               RCC_CFGR_MCO_HSE
  594. #define RCC_MCO1SOURCE_PLLCLK            RCC_CFGR_MCO_PLL
  595.  
  596. /**
  597.   * @}
  598.   */
  599. /** @defgroup RCC_Interrupt Interrupts
  600.   * @{
  601.   */
  602. #define RCC_IT_LSIRDY                    ((uint8_t)RCC_CIR_LSIRDYF)   /*!< LSI Ready Interrupt flag */
  603. #define RCC_IT_LSERDY                    ((uint8_t)RCC_CIR_LSERDYF)   /*!< LSE Ready Interrupt flag */
  604. #define RCC_IT_HSIRDY                    ((uint8_t)RCC_CIR_HSIRDYF)   /*!< HSI Ready Interrupt flag */
  605. #define RCC_IT_HSERDY                    ((uint8_t)RCC_CIR_HSERDYF)   /*!< HSE Ready Interrupt flag */
  606. #define RCC_IT_PLLRDY                    ((uint8_t)RCC_CIR_PLLRDYF)   /*!< PLL Ready Interrupt flag */
  607. #define RCC_IT_MSIRDY                    ((uint8_t)RCC_CIR_MSIRDYF)   /*!< MSI Ready Interrupt flag */
  608. #define RCC_IT_LSECSS                    ((uint8_t)RCC_CIR_LSECSSF)   /*!< LSE Clock Security System Interrupt flag */
  609. #define RCC_IT_CSS                       ((uint8_t)RCC_CIR_CSSF)      /*!< Clock Security System Interrupt flag */
  610. /**
  611.   * @}
  612.   */
  613.  
  614. /** @defgroup RCC_Flag Flags
  615.   *        Elements values convention: XXXYYYYYb
  616.   *           - YYYYY  : Flag position in the register
  617.   *           - XXX  : Register index
  618.   *                 - 001: CR register
  619.   *                 - 010: CSR register
  620.   * @{
  621.   */
  622. /* Flags in the CR register */
  623. #define RCC_FLAG_HSIRDY                  ((uint8_t)((CR_REG_INDEX << 5) | POSITION_VAL(RCC_CR_HSIRDY))) /*!< Internal High Speed clock ready flag */
  624. #define RCC_FLAG_MSIRDY                  ((uint8_t)((CR_REG_INDEX << 5) | POSITION_VAL(RCC_CR_MSIRDY))) /*!< MSI clock ready flag */
  625. #define RCC_FLAG_HSERDY                  ((uint8_t)((CR_REG_INDEX << 5) | POSITION_VAL(RCC_CR_HSERDY))) /*!< External High Speed clock ready flag */
  626. #define RCC_FLAG_PLLRDY                  ((uint8_t)((CR_REG_INDEX << 5) | POSITION_VAL(RCC_CR_PLLRDY))) /*!< PLL clock ready flag */
  627.  
  628. /* Flags in the CSR register */
  629. #define RCC_FLAG_LSIRDY                  ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_LSIRDY)))   /*!< Internal Low Speed oscillator Ready */
  630. #define RCC_FLAG_LSECSS                  ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_LSECSSD)))  /*!< CSS on LSE failure Detection */
  631. #define RCC_FLAG_OBLRST                  ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_OBLRSTF)))  /*!< Options bytes loading reset flag */
  632. #define RCC_FLAG_PINRST                  ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_PINRSTF)))  /*!< PIN reset flag */
  633. #define RCC_FLAG_PORRST                  ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_PORRSTF)))  /*!< POR/PDR reset flag */
  634. #define RCC_FLAG_SFTRST                  ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_SFTRSTF)))  /*!< Software Reset flag */
  635. #define RCC_FLAG_IWDGRST                 ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_IWDGRSTF))) /*!< Independent Watchdog reset flag */
  636. #define RCC_FLAG_WWDGRST                 ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_WWDGRSTF))) /*!< Window watchdog reset flag */
  637. #define RCC_FLAG_LPWRRST                 ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_LPWRRSTF))) /*!< Low-Power reset flag */
  638. #define RCC_FLAG_LSERDY                  ((uint8_t)((CSR_REG_INDEX << 5) | POSITION_VAL(RCC_CSR_LSERDY))) /*!< External Low Speed oscillator Ready */
  639.  
  640. /**
  641.   * @}
  642.   */
  643.  
  644. /**
  645.   * @}
  646.   */
  647.  
  648. /* Exported macro ------------------------------------------------------------*/
  649.  
  650. /** @defgroup RCC_Exported_Macros RCC Exported Macros
  651.   * @{
  652.   */
  653.  
  654. /** @defgroup RCC_Peripheral_Clock_Enable_Disable Peripheral Clock Enable Disable
  655.   * @brief  Enable or disable the AHB1 peripheral clock.
  656.   * @note   After reset, the peripheral clock (used for registers read/write access)
  657.   *         is disabled and the application software has to enable this clock before
  658.   *         using it.  
  659.   * @{
  660.   */
  661. #define __HAL_RCC_GPIOA_CLK_ENABLE()   do { \
  662.                                         __IO uint32_t tmpreg; \
  663.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\
  664.                                         /* Delay after an RCC peripheral clock enabling */\
  665.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOAEN);\
  666.                                         UNUSED(tmpreg); \
  667.                                       } while(0)
  668. #define __HAL_RCC_GPIOB_CLK_ENABLE()   do { \
  669.                                         __IO uint32_t tmpreg; \
  670.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\
  671.                                         /* Delay after an RCC peripheral clock enabling */\
  672.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOBEN);\
  673.                                         UNUSED(tmpreg); \
  674.                                       } while(0)
  675. #define __HAL_RCC_GPIOC_CLK_ENABLE()   do { \
  676.                                         __IO uint32_t tmpreg; \
  677.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\
  678.                                         /* Delay after an RCC peripheral clock enabling */\
  679.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOCEN);\
  680.                                         UNUSED(tmpreg); \
  681.                                       } while(0)
  682. #define __HAL_RCC_GPIOD_CLK_ENABLE()   do { \
  683.                                         __IO uint32_t tmpreg; \
  684.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIODEN);\
  685.                                         /* Delay after an RCC peripheral clock enabling */\
  686.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIODEN);\
  687.                                         UNUSED(tmpreg); \
  688.                                       } while(0)
  689. #define __HAL_RCC_GPIOH_CLK_ENABLE()   do { \
  690.                                         __IO uint32_t tmpreg; \
  691.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_GPIOHEN);\
  692.                                         /* Delay after an RCC peripheral clock enabling */\
  693.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_GPIOHEN);\
  694.                                         UNUSED(tmpreg); \
  695.                                       } while(0)
  696. #define __HAL_RCC_CRC_CLK_ENABLE()   do { \
  697.                                         __IO uint32_t tmpreg; \
  698.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
  699.                                         /* Delay after an RCC peripheral clock enabling */\
  700.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
  701.                                         UNUSED(tmpreg); \
  702.                                       } while(0)
  703. #define __HAL_RCC_FLITF_CLK_ENABLE()   do { \
  704.                                         __IO uint32_t tmpreg; \
  705.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
  706.                                         /* Delay after an RCC peripheral clock enabling */\
  707.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
  708.                                         UNUSED(tmpreg); \
  709.                                       } while(0)
  710. #define __HAL_RCC_DMA1_CLK_ENABLE()   do { \
  711.                                         __IO uint32_t tmpreg; \
  712.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
  713.                                         /* Delay after an RCC peripheral clock enabling */\
  714.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
  715.                                         UNUSED(tmpreg); \
  716.                                       } while(0)
  717.  
  718. #define __HAL_RCC_GPIOA_CLK_DISABLE()     (RCC->AHBENR &= ~(RCC_AHBENR_GPIOAEN))
  719. #define __HAL_RCC_GPIOB_CLK_DISABLE()     (RCC->AHBENR &= ~(RCC_AHBENR_GPIOBEN))
  720. #define __HAL_RCC_GPIOC_CLK_DISABLE()     (RCC->AHBENR &= ~(RCC_AHBENR_GPIOCEN))
  721. #define __HAL_RCC_GPIOD_CLK_DISABLE()     (RCC->AHBENR &= ~(RCC_AHBENR_GPIODEN))
  722. #define __HAL_RCC_GPIOH_CLK_DISABLE()     (RCC->AHBENR &= ~(RCC_AHBENR_GPIOHEN))
  723.  
  724. #define __HAL_RCC_CRC_CLK_DISABLE()       (RCC->AHBENR &= ~(RCC_AHBENR_CRCEN))
  725. #define __HAL_RCC_FLITF_CLK_DISABLE()     (RCC->AHBENR &= ~(RCC_AHBENR_FLITFEN))
  726. #define __HAL_RCC_DMA1_CLK_DISABLE()      (RCC->AHBENR &= ~(RCC_AHBENR_DMA1EN))
  727.  
  728. /**
  729.   * @}
  730.   */
  731.  
  732. /** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Clock Enable Disable
  733.   * @brief  Enable or disable the Low Speed APB (APB1) peripheral clock.
  734.   * @note   After reset, the peripheral clock (used for registers read/write access)
  735.   *         is disabled and the application software has to enable this clock before
  736.   *         using it.
  737.   * @{  
  738.   */
  739. #define __HAL_RCC_TIM2_CLK_ENABLE()   do { \
  740.                                         __IO uint32_t tmpreg; \
  741.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM2EN);\
  742.                                         /* Delay after an RCC peripheral clock enabling */\
  743.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM2EN);\
  744.                                         UNUSED(tmpreg); \
  745.                                       } while(0)
  746. #define __HAL_RCC_TIM3_CLK_ENABLE()   do { \
  747.                                         __IO uint32_t tmpreg; \
  748.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
  749.                                         /* Delay after an RCC peripheral clock enabling */\
  750.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
  751.                                         UNUSED(tmpreg); \
  752.                                       } while(0)
  753. #define __HAL_RCC_TIM4_CLK_ENABLE()   do { \
  754.                                         __IO uint32_t tmpreg; \
  755.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM4EN);\
  756.                                         /* Delay after an RCC peripheral clock enabling */\
  757.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM4EN);\
  758.                                         UNUSED(tmpreg); \
  759.                                       } while(0)
  760. #define __HAL_RCC_TIM6_CLK_ENABLE()   do { \
  761.                                         __IO uint32_t tmpreg; \
  762.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM6EN);\
  763.                                         /* Delay after an RCC peripheral clock enabling */\
  764.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM6EN);\
  765.                                         UNUSED(tmpreg); \
  766.                                       } while(0)
  767. #define __HAL_RCC_TIM7_CLK_ENABLE()   do { \
  768.                                         __IO uint32_t tmpreg; \
  769.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM7EN);\
  770.                                         /* Delay after an RCC peripheral clock enabling */\
  771.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM7EN);\
  772.                                         UNUSED(tmpreg); \
  773.                                       } while(0)
  774. #define __HAL_RCC_WWDG_CLK_ENABLE()   do { \
  775.                                         __IO uint32_t tmpreg; \
  776.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  777.                                         /* Delay after an RCC peripheral clock enabling */\
  778.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  779.                                         UNUSED(tmpreg); \
  780.                                       } while(0)
  781. #define __HAL_RCC_SPI2_CLK_ENABLE()   do { \
  782.                                         __IO uint32_t tmpreg; \
  783.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
  784.                                         /* Delay after an RCC peripheral clock enabling */\
  785.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_SPI2EN);\
  786.                                         UNUSED(tmpreg); \
  787.                                       } while(0)
  788. #define __HAL_RCC_USART2_CLK_ENABLE()   do { \
  789.                                         __IO uint32_t tmpreg; \
  790.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  791.                                         /* Delay after an RCC peripheral clock enabling */\
  792.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  793.                                         UNUSED(tmpreg); \
  794.                                       } while(0)
  795. #define __HAL_RCC_USART3_CLK_ENABLE()   do { \
  796.                                         __IO uint32_t tmpreg; \
  797.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART3EN);\
  798.                                         /* Delay after an RCC peripheral clock enabling */\
  799.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART3EN);\
  800.                                         UNUSED(tmpreg); \
  801.                                       } while(0)
  802. #define __HAL_RCC_I2C1_CLK_ENABLE()   do { \
  803.                                         __IO uint32_t tmpreg; \
  804.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  805.                                         /* Delay after an RCC peripheral clock enabling */\
  806.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  807.                                         UNUSED(tmpreg); \
  808.                                       } while(0)
  809. #define __HAL_RCC_I2C2_CLK_ENABLE()   do { \
  810.                                         __IO uint32_t tmpreg; \
  811.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
  812.                                         /* Delay after an RCC peripheral clock enabling */\
  813.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\
  814.                                         UNUSED(tmpreg); \
  815.                                       } while(0)
  816. #define __HAL_RCC_USB_CLK_ENABLE()   do { \
  817.                                         __IO uint32_t tmpreg; \
  818.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USBEN);\
  819.                                         /* Delay after an RCC peripheral clock enabling */\
  820.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USBEN);\
  821.                                         UNUSED(tmpreg); \
  822.                                       } while(0)
  823. #define __HAL_RCC_PWR_CLK_ENABLE()   do { \
  824.                                         __IO uint32_t tmpreg; \
  825.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  826.                                         /* Delay after an RCC peripheral clock enabling */\
  827.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  828.                                         UNUSED(tmpreg); \
  829.                                       } while(0)
  830. #define __HAL_RCC_DAC_CLK_ENABLE()   do { \
  831.                                         __IO uint32_t tmpreg; \
  832.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_DACEN);\
  833.                                         /* Delay after an RCC peripheral clock enabling */\
  834.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_DACEN);\
  835.                                         UNUSED(tmpreg); \
  836.                                       } while(0)
  837. #define __HAL_RCC_COMP_CLK_ENABLE()   do { \
  838.                                         __IO uint32_t tmpreg; \
  839.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_COMPEN);\
  840.                                         /* Delay after an RCC peripheral clock enabling */\
  841.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_COMPEN);\
  842.                                         UNUSED(tmpreg); \
  843.                                       } while(0)
  844.  
  845.  
  846. #define __HAL_RCC_TIM2_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM2EN))
  847. #define __HAL_RCC_TIM3_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM3EN))
  848. #define __HAL_RCC_TIM4_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM4EN))
  849. #define __HAL_RCC_TIM6_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM6EN))
  850. #define __HAL_RCC_TIM7_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM7EN))
  851. #define __HAL_RCC_WWDG_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
  852. #define __HAL_RCC_SPI2_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_SPI2EN))
  853. #define __HAL_RCC_USART2_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
  854. #define __HAL_RCC_USART3_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_USART3EN))
  855. #define __HAL_RCC_I2C1_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
  856. #define __HAL_RCC_I2C2_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN))
  857. #define __HAL_RCC_USB_CLK_DISABLE()       (RCC->APB1ENR &= ~(RCC_APB1ENR_USBEN))
  858. #define __HAL_RCC_PWR_CLK_DISABLE()       (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
  859. #define __HAL_RCC_DAC_CLK_DISABLE()       (RCC->APB1ENR &= ~(RCC_APB1ENR_DACEN))
  860. #define __HAL_RCC_COMP_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_COMPEN))
  861.  
  862. /**
  863.   * @}
  864.   */
  865.  
  866. /** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Clock Enable Disable
  867.   * @brief  Enable or disable the High Speed APB (APB2) peripheral clock.
  868.   * @note   After reset, the peripheral clock (used for registers read/write access)
  869.   *         is disabled and the application software has to enable this clock before
  870.   *         using it.
  871.   * @{
  872.   */
  873. #define __HAL_RCC_SYSCFG_CLK_ENABLE()   do { \
  874.                                         __IO uint32_t tmpreg; \
  875.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  876.                                         /* Delay after an RCC peripheral clock enabling */\
  877.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  878.                                         UNUSED(tmpreg); \
  879.                                       } while(0)
  880. #define __HAL_RCC_TIM9_CLK_ENABLE()   do { \
  881.                                         __IO uint32_t tmpreg; \
  882.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
  883.                                         /* Delay after an RCC peripheral clock enabling */\
  884.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM9EN);\
  885.                                         UNUSED(tmpreg); \
  886.                                       } while(0)
  887. #define __HAL_RCC_TIM10_CLK_ENABLE()   do { \
  888.                                         __IO uint32_t tmpreg; \
  889.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM10EN);\
  890.                                         /* Delay after an RCC peripheral clock enabling */\
  891.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM10EN);\
  892.                                         UNUSED(tmpreg); \
  893.                                       } while(0)
  894. #define __HAL_RCC_TIM11_CLK_ENABLE()   do { \
  895.                                         __IO uint32_t tmpreg; \
  896.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
  897.                                         /* Delay after an RCC peripheral clock enabling */\
  898.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM11EN);\
  899.                                         UNUSED(tmpreg); \
  900.                                       } while(0)
  901. #define __HAL_RCC_ADC1_CLK_ENABLE()   do { \
  902.                                         __IO uint32_t tmpreg; \
  903.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  904.                                         /* Delay after an RCC peripheral clock enabling */\
  905.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  906.                                         UNUSED(tmpreg); \
  907.                                       } while(0)
  908. #define __HAL_RCC_SPI1_CLK_ENABLE()   do { \
  909.                                         __IO uint32_t tmpreg; \
  910.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  911.                                         /* Delay after an RCC peripheral clock enabling */\
  912.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  913.                                         UNUSED(tmpreg); \
  914.                                       } while(0)
  915. #define __HAL_RCC_USART1_CLK_ENABLE()   do { \
  916.                                         __IO uint32_t tmpreg; \
  917.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  918.                                         /* Delay after an RCC peripheral clock enabling */\
  919.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  920.                                         UNUSED(tmpreg); \
  921.                                       } while(0)
  922.  
  923. #define __HAL_RCC_SYSCFG_CLK_DISABLE()    (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
  924. #define __HAL_RCC_TIM9_CLK_DISABLE()      (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM9EN))
  925. #define __HAL_RCC_TIM10_CLK_DISABLE()     (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM10EN))
  926. #define __HAL_RCC_TIM11_CLK_DISABLE()     (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM11EN))
  927. #define __HAL_RCC_ADC1_CLK_DISABLE()      (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
  928. #define __HAL_RCC_SPI1_CLK_DISABLE()      (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
  929. #define __HAL_RCC_USART1_CLK_DISABLE()    (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
  930.  
  931. /**
  932.   * @}
  933.   */
  934.  
  935. /** @defgroup RCC_Peripheral_Clock_Force_Release RCC Peripheral Clock Force Release
  936.   * @brief  Force or release AHB peripheral reset.
  937.   * @{
  938.   */
  939. #define __HAL_RCC_AHB_FORCE_RESET()       (RCC->AHBRSTR = 0xFFFFFFFFU)
  940. #define __HAL_RCC_GPIOA_FORCE_RESET()     (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOARST))
  941. #define __HAL_RCC_GPIOB_FORCE_RESET()     (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOBRST))
  942. #define __HAL_RCC_GPIOC_FORCE_RESET()     (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOCRST))
  943. #define __HAL_RCC_GPIOD_FORCE_RESET()     (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIODRST))
  944. #define __HAL_RCC_GPIOH_FORCE_RESET()     (RCC->AHBRSTR |= (RCC_AHBRSTR_GPIOHRST))
  945.  
  946. #define __HAL_RCC_CRC_FORCE_RESET()       (RCC->AHBRSTR |= (RCC_AHBRSTR_CRCRST))
  947. #define __HAL_RCC_FLITF_FORCE_RESET()     (RCC->AHBRSTR |= (RCC_AHBRSTR_FLITFRST))
  948. #define __HAL_RCC_DMA1_FORCE_RESET()      (RCC->AHBRSTR |= (RCC_AHBRSTR_DMA1RST))
  949.  
  950. #define __HAL_RCC_AHB_RELEASE_RESET()     (RCC->AHBRSTR = 0x00000000U)
  951. #define __HAL_RCC_GPIOA_RELEASE_RESET()   (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOARST))
  952. #define __HAL_RCC_GPIOB_RELEASE_RESET()   (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOBRST))
  953. #define __HAL_RCC_GPIOC_RELEASE_RESET()   (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOCRST))
  954. #define __HAL_RCC_GPIOD_RELEASE_RESET()   (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIODRST))
  955. #define __HAL_RCC_GPIOH_RELEASE_RESET()   (RCC->AHBRSTR &= ~(RCC_AHBRSTR_GPIOHRST))
  956.  
  957. #define __HAL_RCC_CRC_RELEASE_RESET()     (RCC->AHBRSTR &= ~(RCC_AHBRSTR_CRCRST))
  958. #define __HAL_RCC_FLITF_RELEASE_RESET()   (RCC->AHBRSTR &= ~(RCC_AHBRSTR_FLITFRST))
  959. #define __HAL_RCC_DMA1_RELEASE_RESET()    (RCC->AHBRSTR &= ~(RCC_AHBRSTR_DMA1RST))
  960.  
  961. /**
  962.   * @}
  963.   */
  964.  
  965. /** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset
  966.   * @brief  Force or release APB1 peripheral reset.
  967.   * @{  
  968.   */
  969. #define __HAL_RCC_APB1_FORCE_RESET()      (RCC->APB1RSTR = 0xFFFFFFFFU)  
  970. #define __HAL_RCC_TIM2_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM2RST))
  971. #define __HAL_RCC_TIM3_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM3RST))
  972. #define __HAL_RCC_TIM4_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM4RST))
  973. #define __HAL_RCC_TIM6_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM6RST))
  974. #define __HAL_RCC_TIM7_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM7RST))
  975. #define __HAL_RCC_WWDG_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
  976. #define __HAL_RCC_SPI2_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_SPI2RST))
  977. #define __HAL_RCC_USART2_FORCE_RESET()    (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST))
  978. #define __HAL_RCC_USART3_FORCE_RESET()    (RCC->APB1RSTR |= (RCC_APB1RSTR_USART3RST))
  979. #define __HAL_RCC_I2C1_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
  980. #define __HAL_RCC_I2C2_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C2RST))
  981. #define __HAL_RCC_USB_FORCE_RESET()       (RCC->APB1RSTR |= (RCC_APB1RSTR_USBRST))
  982. #define __HAL_RCC_PWR_FORCE_RESET()       (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
  983. #define __HAL_RCC_DAC_FORCE_RESET()       (RCC->APB1RSTR |= (RCC_APB1RSTR_DACRST))
  984. #define __HAL_RCC_COMP_FORCE_RESET()      (RCC->APB1RSTR |= (RCC_APB1RSTR_COMPRST))
  985.  
  986. #define __HAL_RCC_APB1_RELEASE_RESET()    (RCC->APB1RSTR = 0x00000000U)
  987. #define __HAL_RCC_TIM2_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM2RST))
  988. #define __HAL_RCC_TIM3_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM3RST))
  989. #define __HAL_RCC_TIM4_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM4RST))
  990. #define __HAL_RCC_TIM6_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM6RST))
  991. #define __HAL_RCC_TIM7_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM7RST))
  992. #define __HAL_RCC_WWDG_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
  993. #define __HAL_RCC_SPI2_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_SPI2RST))
  994. #define __HAL_RCC_USART2_RELEASE_RESET()  (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST))
  995. #define __HAL_RCC_USART3_RELEASE_RESET()  (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART3RST))
  996. #define __HAL_RCC_I2C1_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
  997. #define __HAL_RCC_I2C2_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C2RST))
  998. #define __HAL_RCC_USB_RELEASE_RESET()     (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USBRST))
  999. #define __HAL_RCC_PWR_RELEASE_RESET()     (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
  1000. #define __HAL_RCC_DAC_RELEASE_RESET()     (RCC->APB1RSTR &= ~(RCC_APB1RSTR_DACRST))
  1001. #define __HAL_RCC_COMP_RELEASE_RESET()    (RCC->APB1RSTR &= ~(RCC_APB1RSTR_COMPRST))
  1002.  
  1003. /**
  1004.   * @}
  1005.   */
  1006.  
  1007. /** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset
  1008.   * @brief  Force or release APB1 peripheral reset.
  1009.   * @{  
  1010.   */
  1011. #define __HAL_RCC_APB2_FORCE_RESET()      (RCC->APB2RSTR = 0xFFFFFFFFU)  
  1012. #define __HAL_RCC_SYSCFG_FORCE_RESET()    (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
  1013. #define __HAL_RCC_TIM9_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM9RST))
  1014. #define __HAL_RCC_TIM10_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM10RST))
  1015. #define __HAL_RCC_TIM11_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM11RST))
  1016. #define __HAL_RCC_ADC1_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_ADC1RST))
  1017. #define __HAL_RCC_SPI1_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
  1018. #define __HAL_RCC_USART1_FORCE_RESET()    (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
  1019.  
  1020. #define __HAL_RCC_APB2_RELEASE_RESET()    (RCC->APB2RSTR = 0x00000000U)
  1021. #define __HAL_RCC_SYSCFG_RELEASE_RESET()  (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
  1022. #define __HAL_RCC_TIM9_RELEASE_RESET()    (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM9RST))
  1023. #define __HAL_RCC_TIM10_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM10RST))
  1024. #define __HAL_RCC_TIM11_RELEASE_RESET()   (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM11RST))
  1025. #define __HAL_RCC_ADC1_RELEASE_RESET()    (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADC1RST))
  1026. #define __HAL_RCC_SPI1_RELEASE_RESET()    (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
  1027. #define __HAL_RCC_USART1_RELEASE_RESET()  (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
  1028.  
  1029. /**
  1030.   * @}
  1031.   */
  1032.  
  1033. /** @defgroup RCC_Peripheral_Clock_Sleep_Enable_Disable RCC Peripheral Clock Sleep Enable Disable
  1034.   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  1035.   *         power consumption.
  1036.   * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  1037.   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  1038.   * @{
  1039.   */
  1040. #define __HAL_RCC_GPIOA_CLK_SLEEP_ENABLE()    (RCC->AHBLPENR |= (RCC_AHBLPENR_GPIOALPEN))
  1041. #define __HAL_RCC_GPIOB_CLK_SLEEP_ENABLE()    (RCC->AHBLPENR |= (RCC_AHBLPENR_GPIOBLPEN))
  1042. #define __HAL_RCC_GPIOC_CLK_SLEEP_ENABLE()    (RCC->AHBLPENR |= (RCC_AHBLPENR_GPIOCLPEN))
  1043. #define __HAL_RCC_GPIOD_CLK_SLEEP_ENABLE()    (RCC->AHBLPENR |= (RCC_AHBLPENR_GPIODLPEN))
  1044. #define __HAL_RCC_GPIOH_CLK_SLEEP_ENABLE()    (RCC->AHBLPENR |= (RCC_AHBLPENR_GPIOHLPEN))
  1045.  
  1046. #define __HAL_RCC_CRC_CLK_SLEEP_ENABLE()      (RCC->AHBLPENR |= (RCC_AHBLPENR_CRCLPEN))
  1047. #define __HAL_RCC_FLITF_CLK_SLEEP_ENABLE()    (RCC->AHBLPENR |= (RCC_AHBLPENR_FLITFLPEN))
  1048. #define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE()     (RCC->AHBLPENR |= (RCC_AHBLPENR_DMA1LPEN))
  1049.  
  1050. #define __HAL_RCC_GPIOA_CLK_SLEEP_DISABLE()   (RCC->AHBLPENR &= ~(RCC_AHBLPENR_GPIOALPEN))
  1051. #define __HAL_RCC_GPIOB_CLK_SLEEP_DISABLE()   (RCC->AHBLPENR &= ~(RCC_AHBLPENR_GPIOBLPEN))
  1052. #define __HAL_RCC_GPIOC_CLK_SLEEP_DISABLE()   (RCC->AHBLPENR &= ~(RCC_AHBLPENR_GPIOCLPEN))
  1053. #define __HAL_RCC_GPIOD_CLK_SLEEP_DISABLE()   (RCC->AHBLPENR &= ~(RCC_AHBLPENR_GPIODLPEN))
  1054. #define __HAL_RCC_GPIOH_CLK_SLEEP_DISABLE()   (RCC->AHBLPENR &= ~(RCC_AHBLPENR_GPIOHLPEN))
  1055.  
  1056. #define __HAL_RCC_CRC_CLK_SLEEP_DISABLE()     (RCC->AHBLPENR &= ~(RCC_AHBLPENR_CRCLPEN))
  1057. #define __HAL_RCC_FLITF_CLK_SLEEP_DISABLE()   (RCC->AHBLPENR &= ~(RCC_AHBLPENR_FLITFLPEN))
  1058. #define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE()    (RCC->AHBLPENR &= ~(RCC_AHBLPENR_DMA1LPEN))
  1059.  
  1060. /** @brief  Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
  1061.   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  1062.   *           power consumption.
  1063.   * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  1064.   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  1065.   */
  1066. #define __HAL_RCC_TIM2_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM2LPEN))
  1067. #define __HAL_RCC_TIM3_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM3LPEN))
  1068. #define __HAL_RCC_TIM4_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM4LPEN))
  1069. #define __HAL_RCC_TIM6_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM6LPEN))
  1070. #define __HAL_RCC_TIM7_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_TIM7LPEN))
  1071. #define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
  1072. #define __HAL_RCC_SPI2_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_SPI2LPEN))
  1073. #define __HAL_RCC_USART2_CLK_SLEEP_ENABLE()   (RCC->APB1LPENR |= (RCC_APB1LPENR_USART2LPEN))
  1074. #define __HAL_RCC_USART3_CLK_SLEEP_ENABLE()   (RCC->APB1LPENR |= (RCC_APB1LPENR_USART3LPEN))
  1075. #define __HAL_RCC_I2C1_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C1LPEN))
  1076. #define __HAL_RCC_I2C2_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_I2C2LPEN))
  1077. #define __HAL_RCC_USB_CLK_SLEEP_ENABLE()      (RCC->APB1LPENR |= (RCC_APB1LPENR_USBLPEN))
  1078. #define __HAL_RCC_PWR_CLK_SLEEP_ENABLE()      (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))
  1079. #define __HAL_RCC_DAC_CLK_SLEEP_ENABLE()      (RCC->APB1LPENR |= (RCC_APB1LPENR_DACLPEN))
  1080. #define __HAL_RCC_COMP_CLK_SLEEP_ENABLE()     (RCC->APB1LPENR |= (RCC_APB1LPENR_COMPLPEN))
  1081.  
  1082. #define __HAL_RCC_TIM2_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM2LPEN))
  1083. #define __HAL_RCC_TIM3_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM3LPEN))
  1084. #define __HAL_RCC_TIM4_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM4LPEN))
  1085. #define __HAL_RCC_TIM6_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM6LPEN))
  1086. #define __HAL_RCC_TIM7_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_TIM7LPEN))
  1087. #define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
  1088. #define __HAL_RCC_SPI2_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_SPI2LPEN))
  1089. #define __HAL_RCC_USART2_CLK_SLEEP_DISABLE()  (RCC->APB1LPENR &= ~(RCC_APB1LPENR_USART2LPEN))
  1090. #define __HAL_RCC_USART3_CLK_SLEEP_DISABLE()  (RCC->APB1LPENR &= ~(RCC_APB1LPENR_USART3LPEN))
  1091. #define __HAL_RCC_I2C1_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C1LPEN))
  1092. #define __HAL_RCC_I2C2_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_I2C2LPEN))
  1093. #define __HAL_RCC_USB_CLK_SLEEP_DISABLE()     (RCC->APB1LPENR &= ~(RCC_APB1LPENR_USBLPEN))
  1094. #define __HAL_RCC_PWR_CLK_SLEEP_DISABLE()     (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))
  1095. #define __HAL_RCC_DAC_CLK_SLEEP_DISABLE()     (RCC->APB1LPENR &= ~(RCC_APB1LPENR_DACLPEN))
  1096. #define __HAL_RCC_COMP_CLK_SLEEP_DISABLE()    (RCC->APB1LPENR &= ~(RCC_APB1LPENR_COMPLPEN))
  1097.  
  1098. /** @brief  Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
  1099.   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  1100.   *           power consumption.
  1101.   * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  1102.   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  1103.   */
  1104. #define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE()   (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
  1105. #define __HAL_RCC_TIM9_CLK_SLEEP_ENABLE()     (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM9LPEN))
  1106. #define __HAL_RCC_TIM10_CLK_SLEEP_ENABLE()    (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM10LPEN))
  1107. #define __HAL_RCC_TIM11_CLK_SLEEP_ENABLE()    (RCC->APB2LPENR |= (RCC_APB2LPENR_TIM11LPEN))
  1108. #define __HAL_RCC_ADC1_CLK_SLEEP_ENABLE()     (RCC->APB2LPENR |= (RCC_APB2LPENR_ADC1LPEN))
  1109. #define __HAL_RCC_SPI1_CLK_SLEEP_ENABLE()     (RCC->APB2LPENR |= (RCC_APB2LPENR_SPI1LPEN))
  1110. #define __HAL_RCC_USART1_CLK_SLEEP_ENABLE()   (RCC->APB2LPENR |= (RCC_APB2LPENR_USART1LPEN))
  1111.  
  1112. #define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE()  (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))
  1113. #define __HAL_RCC_TIM9_CLK_SLEEP_DISABLE()    (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM9LPEN))
  1114. #define __HAL_RCC_TIM10_CLK_SLEEP_DISABLE()   (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM10LPEN))
  1115. #define __HAL_RCC_TIM11_CLK_SLEEP_DISABLE()   (RCC->APB2LPENR &= ~(RCC_APB2LPENR_TIM11LPEN))
  1116. #define __HAL_RCC_ADC1_CLK_SLEEP_DISABLE()    (RCC->APB2LPENR &= ~(RCC_APB2LPENR_ADC1LPEN))
  1117. #define __HAL_RCC_SPI1_CLK_SLEEP_DISABLE()    (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SPI1LPEN))
  1118. #define __HAL_RCC_USART1_CLK_SLEEP_DISABLE()  (RCC->APB2LPENR &= ~(RCC_APB2LPENR_USART1LPEN))
  1119.  
  1120. /**
  1121.   * @}
  1122.   */
  1123.  
  1124. /** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable_Status AHB Peripheral Clock Enable Disable Status
  1125.   * @brief  Get the enable or disable status of the AHB peripheral clock.
  1126.   * @note   After reset, the peripheral clock (used for registers read/write access)
  1127.   *         is disabled and the application software has to enable this clock before
  1128.   *         using it.
  1129.   * @{
  1130.   */
  1131.  
  1132. #define __HAL_RCC_GPIOA_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) != RESET)
  1133. #define __HAL_RCC_GPIOB_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) != RESET)
  1134. #define __HAL_RCC_GPIOC_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) != RESET)
  1135. #define __HAL_RCC_GPIOD_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_GPIODEN)) != RESET)
  1136. #define __HAL_RCC_GPIOH_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_GPIOHEN)) != RESET)
  1137. #define __HAL_RCC_CRC_IS_CLK_ENABLED()         ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) != RESET)
  1138. #define __HAL_RCC_FLITF_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) != RESET)
  1139. #define __HAL_RCC_DMA1_IS_CLK_ENABLED()        ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) != RESET)
  1140. #define __HAL_RCC_GPIOA_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_GPIOAEN)) == RESET)
  1141. #define __HAL_RCC_GPIOB_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_GPIOBEN)) == RESET)
  1142. #define __HAL_RCC_GPIOC_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_GPIOCEN)) == RESET)
  1143. #define __HAL_RCC_GPIOD_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_GPIODEN)) == RESET)
  1144. #define __HAL_RCC_GPIOH_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_GPIOHEN)) == RESET)
  1145. #define __HAL_RCC_CRC_IS_CLK_DISABLED()        ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) == RESET)
  1146. #define __HAL_RCC_FLITF_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) == RESET)
  1147. #define __HAL_RCC_DMA1_IS_CLK_DISABLED()       ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) == RESET)
  1148.  
  1149. /**
  1150.   * @}
  1151.   */
  1152.  
  1153. /** @defgroup RCC_APB1_Peripheral_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
  1154.   * @brief  Get the enable or disable status of the APB1 peripheral clock.
  1155.   * @note   After reset, the peripheral clock (used for registers read/write access)
  1156.   *         is disabled and the application software has to enable this clock before
  1157.   *         using it.
  1158.   * @{
  1159.   */
  1160.  
  1161. #define __HAL_RCC_TIM2_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_TIM2EN)) != RESET)
  1162. #define __HAL_RCC_TIM3_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN)) != RESET)
  1163. #define __HAL_RCC_TIM4_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_TIM4EN)) != RESET)
  1164. #define __HAL_RCC_TIM6_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_TIM6EN)) != RESET)
  1165. #define __HAL_RCC_TIM7_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_TIM7EN)) != RESET)
  1166. #define __HAL_RCC_WWDG_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
  1167. #define __HAL_RCC_SPI2_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) != RESET)
  1168. #define __HAL_RCC_USART2_IS_CLK_ENABLED()      ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) != RESET)
  1169. #define __HAL_RCC_USART3_IS_CLK_ENABLED()      ((RCC->APB1ENR & (RCC_APB1ENR_USART3EN)) != RESET)
  1170. #define __HAL_RCC_I2C1_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) != RESET)
  1171. #define __HAL_RCC_I2C2_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) != RESET)
  1172. #define __HAL_RCC_USB_IS_CLK_ENABLED()         ((RCC->APB1ENR & (RCC_APB1ENR_USBEN)) != RESET)
  1173. #define __HAL_RCC_PWR_IS_CLK_ENABLED()         ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
  1174. #define __HAL_RCC_DAC_IS_CLK_ENABLED()         ((RCC->APB1ENR & (RCC_APB1ENR_DACEN)) != RESET)
  1175. #define __HAL_RCC_COMP_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_COMPEN)) != RESET)
  1176. #define __HAL_RCC_TIM2_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_TIM2EN)) == RESET)
  1177. #define __HAL_RCC_TIM3_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN)) == RESET)
  1178. #define __HAL_RCC_TIM4_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_TIM4EN)) == RESET)
  1179. #define __HAL_RCC_TIM6_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_TIM6EN)) == RESET)
  1180. #define __HAL_RCC_TIM7_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_TIM7EN)) == RESET)
  1181. #define __HAL_RCC_WWDG_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
  1182. #define __HAL_RCC_SPI2_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_SPI2EN)) == RESET)
  1183. #define __HAL_RCC_USART2_IS_CLK_DISABLED()     ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) == RESET)
  1184. #define __HAL_RCC_USART3_IS_CLK_DISABLED()     ((RCC->APB1ENR & (RCC_APB1ENR_USART3EN)) == RESET)
  1185. #define __HAL_RCC_I2C1_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) == RESET)
  1186. #define __HAL_RCC_I2C2_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_I2C2EN)) == RESET)
  1187. #define __HAL_RCC_USB_IS_CLK_DISABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_USBEN)) == RESET)
  1188. #define __HAL_RCC_PWR_IS_CLK_DISABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
  1189. #define __HAL_RCC_DAC_IS_CLK_DISABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_DACEN)) == RESET)
  1190. #define __HAL_RCC_COMP_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_COMPEN)) == RESET)
  1191.  
  1192. /**
  1193.   * @}
  1194.   */
  1195.  
  1196. /** @defgroup RCC_APB2_Peripheral_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  1197.   * @brief  Get the enable or disable status of the APB2 peripheral clock.
  1198.   * @note   After reset, the peripheral clock (used for registers read/write access)
  1199.   *         is disabled and the application software has to enable this clock before
  1200.   *         using it.
  1201.   * @{
  1202.   */
  1203.  
  1204. #define __HAL_RCC_SYSCFG_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
  1205. #define __HAL_RCC_TIM9_IS_CLK_ENABLED()        ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) != RESET)
  1206. #define __HAL_RCC_TIM10_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_TIM10EN)) != RESET)
  1207. #define __HAL_RCC_TIM11_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) != RESET)
  1208. #define __HAL_RCC_ADC1_IS_CLK_ENABLED()        ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) != RESET)
  1209. #define __HAL_RCC_SPI1_IS_CLK_ENABLED()        ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) != RESET)
  1210. #define __HAL_RCC_USART1_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET)
  1211. #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
  1212. #define __HAL_RCC_TIM9_IS_CLK_DISABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_TIM9EN)) == RESET)
  1213. #define __HAL_RCC_TIM10_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_TIM10EN)) == RESET)
  1214. #define __HAL_RCC_TIM11_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_TIM11EN)) == RESET)
  1215. #define __HAL_RCC_ADC1_IS_CLK_DISABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) == RESET)
  1216. #define __HAL_RCC_SPI1_IS_CLK_DISABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) == RESET)
  1217. #define __HAL_RCC_USART1_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET)
  1218.  
  1219. /**
  1220.   * @}
  1221.   */
  1222.  
  1223. /** @defgroup RCC_AHB_Clock_Sleep_Enable_Disable_Status AHB Peripheral Clock Sleep Enable Disable Status
  1224.   * @brief  Get the enable or disable status of the AHB peripheral clock during Low Power (Sleep) mode.
  1225.   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  1226.   *         power consumption.
  1227.   * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  1228.   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  1229.   * @{
  1230.   */
  1231.  
  1232. #define __HAL_RCC_GPIOA_IS_CLK_SLEEP_ENABLED()       ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOALPEN)) != RESET)
  1233. #define __HAL_RCC_GPIOB_IS_CLK_SLEEP_ENABLED()       ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOBLPEN)) != RESET)
  1234. #define __HAL_RCC_GPIOC_IS_CLK_SLEEP_ENABLED()       ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOCLPEN)) != RESET)
  1235. #define __HAL_RCC_GPIOD_IS_CLK_SLEEP_ENABLED()       ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIODLPEN)) != RESET)
  1236. #define __HAL_RCC_GPIOH_IS_CLK_SLEEP_ENABLED()       ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOHLPEN)) != RESET)
  1237. #define __HAL_RCC_CRC_IS_CLK_SLEEP_ENABLED()         ((RCC->AHBLPENR & (RCC_AHBLPENR_CRCLPEN)) != RESET)
  1238. #define __HAL_RCC_FLITF_IS_CLK_SLEEP_ENABLED()       ((RCC->AHBLPENR & (RCC_AHBLPENR_FLITFLPEN)) != RESET)
  1239. #define __HAL_RCC_DMA1_IS_CLK_SLEEP_ENABLED()        ((RCC->AHBLPENR & (RCC_AHBLPENR_DMA1LPEN)) != RESET)
  1240. #define __HAL_RCC_GPIOA_IS_CLK_SLEEP_DISABLED()      ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOALPEN)) == RESET)
  1241. #define __HAL_RCC_GPIOB_IS_CLK_SLEEP_DISABLED()      ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOBLPEN)) == RESET)
  1242. #define __HAL_RCC_GPIOC_IS_CLK_SLEEP_DISABLED()      ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOCLPEN)) == RESET)
  1243. #define __HAL_RCC_GPIOD_IS_CLK_SLEEP_DISABLED()      ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIODLPEN)) == RESET)
  1244. #define __HAL_RCC_GPIOH_IS_CLK_SLEEP_DISABLED()      ((RCC->AHBLPENR & (RCC_AHBLPENR_GPIOHLPEN)) == RESET)
  1245. #define __HAL_RCC_CRC_IS_CLK_SLEEP_DISABLED()        ((RCC->AHBLPENR & (RCC_AHBLPENR_CRCLPEN)) == RESET)
  1246. #define __HAL_RCC_FLITF_IS_CLK_SLEEP_DISABLED()      ((RCC->AHBLPENR & (RCC_AHBLPENR_FLITFLPEN)) == RESET)
  1247. #define __HAL_RCC_DMA1_IS_CLK_SLEEP_DISABLED()       ((RCC->AHBLPENR & (RCC_AHBLPENR_DMA1LPEN)) == RESET)
  1248.  
  1249. /**
  1250.   * @}
  1251.   */
  1252.  
  1253. /** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable_Status APB1 Peripheral Clock Sleep Enable Disable Status
  1254.   * @brief  Get the enable or disable status of the APB1 peripheral clock during Low Power (Sleep) mode.
  1255.   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  1256.   *         power consumption.
  1257.   * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  1258.   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  1259.   * @{
  1260.   */
  1261.  
  1262. #define __HAL_RCC_TIM2_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM2LPEN)) != RESET)
  1263. #define __HAL_RCC_TIM3_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM3LPEN)) != RESET)
  1264. #define __HAL_RCC_TIM4_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM4LPEN)) != RESET)
  1265. #define __HAL_RCC_TIM6_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM6LPEN)) != RESET)
  1266. #define __HAL_RCC_TIM7_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM7LPEN)) != RESET)
  1267. #define __HAL_RCC_WWDG_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) != RESET)
  1268. #define __HAL_RCC_SPI2_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_SPI2LPEN)) != RESET)
  1269. #define __HAL_RCC_USART2_IS_CLK_SLEEP_ENABLED()      ((RCC->APB1LPENR & (RCC_APB1LPENR_USART2LPEN)) != RESET)
  1270. #define __HAL_RCC_USART3_IS_CLK_SLEEP_ENABLED()      ((RCC->APB1LPENR & (RCC_APB1LPENR_USART3LPEN)) != RESET)
  1271. #define __HAL_RCC_I2C1_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_I2C1LPEN)) != RESET)
  1272. #define __HAL_RCC_I2C2_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_I2C2LPEN)) != RESET)
  1273. #define __HAL_RCC_USB_IS_CLK_SLEEP_ENABLED()         ((RCC->APB1LPENR & (RCC_APB1LPENR_USBLPEN)) != RESET)
  1274. #define __HAL_RCC_PWR_IS_CLK_SLEEP_ENABLED()         ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) != RESET)
  1275. #define __HAL_RCC_DAC_IS_CLK_SLEEP_ENABLED()         ((RCC->APB1LPENR & (RCC_APB1LPENR_DACLPEN)) != RESET)
  1276. #define __HAL_RCC_COMP_IS_CLK_SLEEP_ENABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_COMPLPEN)) != RESET)
  1277. #define __HAL_RCC_TIM2_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM2LPEN)) == RESET)
  1278. #define __HAL_RCC_TIM3_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM3LPEN)) == RESET)
  1279. #define __HAL_RCC_TIM4_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM4LPEN)) == RESET)
  1280. #define __HAL_RCC_TIM6_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM6LPEN)) == RESET)
  1281. #define __HAL_RCC_TIM7_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_TIM7LPEN)) == RESET)
  1282. #define __HAL_RCC_WWDG_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) == RESET)
  1283. #define __HAL_RCC_SPI2_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_SPI2LPEN)) == RESET)
  1284. #define __HAL_RCC_USART2_IS_CLK_SLEEP_DISABLED()     ((RCC->APB1LPENR & (RCC_APB1LPENR_USART2LPEN)) == RESET)
  1285. #define __HAL_RCC_USART3_IS_CLK_SLEEP_DISABLED()     ((RCC->APB1LPENR & (RCC_APB1LPENR_USART3LPEN)) == RESET)
  1286. #define __HAL_RCC_I2C1_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_I2C1LPEN)) == RESET)
  1287. #define __HAL_RCC_I2C2_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_I2C2LPEN)) == RESET)
  1288. #define __HAL_RCC_USB_IS_CLK_SLEEP_DISABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_USBLPEN)) == RESET)
  1289. #define __HAL_RCC_PWR_IS_CLK_SLEEP_DISABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) == RESET)
  1290. #define __HAL_RCC_DAC_IS_CLK_SLEEP_DISABLED()        ((RCC->APB1LPENR & (RCC_APB1LPENR_DACLPEN)) == RESET)
  1291. #define __HAL_RCC_COMP_IS_CLK_SLEEP_DISABLED()       ((RCC->APB1LPENR & (RCC_APB1LPENR_COMPLPEN)) == RESET)
  1292.  
  1293. /**
  1294.   * @}
  1295.   */
  1296.  
  1297. /** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable_Status APB2 Peripheral Clock Sleep Enable Disable Status
  1298.   * @brief  Get the enable or disable status of the APB2 peripheral clock during Low Power (Sleep) mode.
  1299.   * @note   Peripheral clock gating in SLEEP mode can be used to further reduce
  1300.   *         power consumption.
  1301.   * @note   After wakeup from SLEEP mode, the peripheral clock is enabled again.
  1302.   * @note   By default, all peripheral clocks are enabled during SLEEP mode.
  1303.   * @{
  1304.   */
  1305.  
  1306. #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_ENABLED()      ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) != RESET)
  1307. #define __HAL_RCC_TIM9_IS_CLK_SLEEP_ENABLED()        ((RCC->APB2LPENR & (RCC_APB2LPENR_TIM9LPEN)) != RESET)
  1308. #define __HAL_RCC_TIM10_IS_CLK_SLEEP_ENABLED()       ((RCC->APB2LPENR & (RCC_APB2LPENR_TIM10LPEN)) != RESET)
  1309. #define __HAL_RCC_TIM11_IS_CLK_SLEEP_ENABLED()       ((RCC->APB2LPENR & (RCC_APB2LPENR_TIM11LPEN)) != RESET)
  1310. #define __HAL_RCC_ADC1_IS_CLK_SLEEP_ENABLED()        ((RCC->APB2LPENR & (RCC_APB2LPENR_ADC1LPEN)) != RESET)
  1311. #define __HAL_RCC_SPI1_IS_CLK_SLEEP_ENABLED()        ((RCC->APB2LPENR & (RCC_APB2LPENR_SPI1LPEN)) != RESET)
  1312. #define __HAL_RCC_USART1_IS_CLK_SLEEP_ENABLED()      ((RCC->APB2LPENR & (RCC_APB2LPENR_USART1LPEN)) != RESET)
  1313. #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_DISABLED()     ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) == RESET)
  1314. #define __HAL_RCC_TIM9_IS_CLK_SLEEP_DISABLED()       ((RCC->APB2LPENR & (RCC_APB2LPENR_TIM9LPEN)) == RESET)
  1315. #define __HAL_RCC_TIM10_IS_CLK_SLEEP_DISABLED()      ((RCC->APB2LPENR & (RCC_APB2LPENR_TIM10LPEN)) == RESET)
  1316. #define __HAL_RCC_TIM11_IS_CLK_SLEEP_DISABLED()      ((RCC->APB2LPENR & (RCC_APB2LPENR_TIM11LPEN)) == RESET)
  1317. #define __HAL_RCC_ADC1_IS_CLK_SLEEP_DISABLED()       ((RCC->APB2LPENR & (RCC_APB2LPENR_ADC1LPEN)) == RESET)
  1318. #define __HAL_RCC_SPI1_IS_CLK_SLEEP_DISABLED()       ((RCC->APB2LPENR & (RCC_APB2LPENR_SPI1LPEN)) == RESET)
  1319. #define __HAL_RCC_USART1_IS_CLK_SLEEP_DISABLED()     ((RCC->APB2LPENR & (RCC_APB2LPENR_USART1LPEN)) == RESET)
  1320.  
  1321. /**
  1322.   * @}
  1323.   */
  1324.  
  1325. /** @defgroup RCC_HSI_Configuration HSI Configuration
  1326.   * @{  
  1327.   */
  1328.  
  1329. /** @brief  Macros to enable or disable the Internal High Speed oscillator (HSI).
  1330.   * @note   The HSI is stopped by hardware when entering STOP and STANDBY modes.
  1331.   * @note   HSI can not be stopped if it is used as system clock source. In this case,
  1332.   *         you have to select another source of the system clock then stop the HSI.  
  1333.   * @note   After enabling the HSI, the application software should wait on HSIRDY
  1334.   *         flag to be set indicating that HSI clock is stable and can be used as
  1335.   *         system clock source.  
  1336.   * @note   When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  1337.   *         clock cycles.  
  1338.   */
  1339. #define __HAL_RCC_HSI_ENABLE()  (*(__IO uint32_t *) RCC_CR_HSION_BB = ENABLE)
  1340. #define __HAL_RCC_HSI_DISABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = DISABLE)
  1341.  
  1342. /** @brief  Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  1343.   * @note   The calibration is used to compensate for the variations in voltage
  1344.   *         and temperature that influence the frequency of the internal HSI RC.
  1345.   * @param  _HSICALIBRATIONVALUE_ specifies the calibration trimming value.
  1346.   *         (default is RCC_HSICALIBRATION_DEFAULT).
  1347.   *         This parameter must be a number between 0 and 0x1F.
  1348.   */  
  1349. #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(_HSICALIBRATIONVALUE_) \
  1350.           (MODIFY_REG(RCC->ICSCR, RCC_ICSCR_HSITRIM, (uint32_t)(_HSICALIBRATIONVALUE_) << POSITION_VAL(RCC_ICSCR_HSITRIM)))
  1351.  
  1352. /**
  1353.   * @}
  1354.   */
  1355.  
  1356. /** @defgroup RCC_LSI_Configuration  LSI Configuration
  1357.   * @{  
  1358.   */
  1359.  
  1360. /** @brief Macro to enable the Internal Low Speed oscillator (LSI).
  1361.   * @note   After enabling the LSI, the application software should wait on
  1362.   *         LSIRDY flag to be set indicating that LSI clock is stable and can
  1363.   *         be used to clock the IWDG and/or the RTC.
  1364.   */
  1365. #define __HAL_RCC_LSI_ENABLE()  (*(__IO uint32_t *) RCC_CSR_LSION_BB = ENABLE)
  1366.  
  1367. /** @brief Macro to disable the Internal Low Speed oscillator (LSI).
  1368.   * @note   LSI can not be disabled if the IWDG is running.  
  1369.   * @note   When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  1370.   *         clock cycles.
  1371.   */
  1372. #define __HAL_RCC_LSI_DISABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = DISABLE)
  1373.  
  1374. /**
  1375.   * @}
  1376.   */
  1377.  
  1378. /** @defgroup RCC_HSE_Configuration HSE Configuration
  1379.   * @{  
  1380.   */
  1381.  
  1382. /**
  1383.   * @brief  Macro to configure the External High Speed oscillator (HSE).
  1384.   * @note   Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
  1385.   *         supported by this macro. User should request a transition to HSE Off
  1386.   *         first and then HSE On or HSE Bypass.
  1387.   * @note   After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  1388.   *         software should wait on HSERDY flag to be set indicating that HSE clock
  1389.   *         is stable and can be used to clock the PLL and/or system clock.
  1390.   * @note   HSE state can not be changed if it is used directly or through the
  1391.   *         PLL as system clock. In this case, you have to select another source
  1392.   *         of the system clock then change the HSE state (ex. disable it).
  1393.   * @note   The HSE is stopped by hardware when entering STOP and STANDBY modes.
  1394.   * @note   This function reset the CSSON bit, so if the clock security system(CSS)
  1395.   *         was previously enabled you have to enable it again after calling this
  1396.   *         function.
  1397.   * @param  __STATE__ specifies the new state of the HSE.
  1398.   *          This parameter can be one of the following values:
  1399.   *            @arg @ref RCC_HSE_OFF turn OFF the HSE oscillator, HSERDY flag goes low after
  1400.   *                              6 HSE oscillator clock cycles.
  1401.   *            @arg @ref RCC_HSE_ON turn ON the HSE oscillator
  1402.   *            @arg @ref RCC_HSE_BYPASS HSE oscillator bypassed with external clock
  1403.   */
  1404. #define __HAL_RCC_HSE_CONFIG(__STATE__)                                     \
  1405.                     do{                                                     \
  1406.                       if ((__STATE__) == RCC_HSE_ON)                        \
  1407.                       {                                                     \
  1408.                         SET_BIT(RCC->CR, RCC_CR_HSEON);                     \
  1409.                       }                                                     \
  1410.                       else if ((__STATE__) == RCC_HSE_OFF)                  \
  1411.                       {                                                     \
  1412.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEON);                   \
  1413.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);                  \
  1414.                       }                                                     \
  1415.                       else if ((__STATE__) == RCC_HSE_BYPASS)               \
  1416.                       {                                                     \
  1417.                         SET_BIT(RCC->CR, RCC_CR_HSEBYP);                    \
  1418.                         SET_BIT(RCC->CR, RCC_CR_HSEON);                     \
  1419.                       }                                                     \
  1420.                       else                                                  \
  1421.                       {                                                     \
  1422.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEON);                   \
  1423.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);                  \
  1424.                       }                                                     \
  1425.                     }while(0)
  1426.  
  1427. /**
  1428.   * @}
  1429.   */
  1430.  
  1431. /** @defgroup RCC_LSE_Configuration LSE Configuration
  1432.   * @{  
  1433.   */
  1434.  
  1435. /**
  1436.   * @brief  Macro to configure the External Low Speed oscillator (LSE).
  1437.   * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
  1438.   * @note   As the LSE is in the Backup domain and write access is denied to
  1439.   *         this domain after reset, you have to enable write access using
  1440.   *         @ref HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  1441.   *         (to be done once after reset).  
  1442.   * @note   After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  1443.   *         software should wait on LSERDY flag to be set indicating that LSE clock
  1444.   *         is stable and can be used to clock the RTC.
  1445.   * @param  __STATE__ specifies the new state of the LSE.
  1446.   *         This parameter can be one of the following values:
  1447.   *            @arg @ref RCC_LSE_OFF turn OFF the LSE oscillator, LSERDY flag goes low after
  1448.   *                              6 LSE oscillator clock cycles.
  1449.   *            @arg @ref RCC_LSE_ON turn ON the LSE oscillator.
  1450.   *            @arg @ref RCC_LSE_BYPASS LSE oscillator bypassed with external clock.
  1451.   */
  1452. #define __HAL_RCC_LSE_CONFIG(__STATE__)                                     \
  1453.                     do{                                                     \
  1454.                       if ((__STATE__) == RCC_LSE_ON)                        \
  1455.                       {                                                     \
  1456.                         SET_BIT(RCC->CSR, RCC_CSR_LSEON);                   \
  1457.                       }                                                     \
  1458.                       else if ((__STATE__) == RCC_LSE_OFF)                  \
  1459.                       {                                                     \
  1460.                         CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON);                 \
  1461.                         CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP);                \
  1462.                       }                                                     \
  1463.                       else if ((__STATE__) == RCC_LSE_BYPASS)               \
  1464.                       {                                                     \
  1465.                         SET_BIT(RCC->CSR, RCC_CSR_LSEBYP);                  \
  1466.                         SET_BIT(RCC->CSR, RCC_CSR_LSEON);                   \
  1467.                       }                                                     \
  1468.                       else                                                  \
  1469.                       {                                                     \
  1470.                         CLEAR_BIT(RCC->CSR, RCC_CSR_LSEON);                 \
  1471.                         CLEAR_BIT(RCC->CSR, RCC_CSR_LSEBYP);                \
  1472.                       }                                                     \
  1473.                     }while(0)
  1474.  
  1475. /**
  1476.   * @}
  1477.   */
  1478.  
  1479. /** @defgroup RCC_MSI_Configuration  MSI Configuration
  1480.   * @{  
  1481.   */
  1482.  
  1483. /** @brief  Macro to enable Internal Multi Speed oscillator (MSI).
  1484.   * @note   After enabling the MSI, the application software should wait on MSIRDY
  1485.   *         flag to be set indicating that MSI clock is stable and can be used as
  1486.   *         system clock source.  
  1487.   */
  1488. #define __HAL_RCC_MSI_ENABLE()  (*(__IO uint32_t *) RCC_CR_MSION_BB = ENABLE)
  1489.                                        
  1490. /** @brief  Macro to disable the Internal Multi Speed oscillator (MSI).
  1491.   * @note   The MSI is stopped by hardware when entering STOP and STANDBY modes.
  1492.   *         It is used (enabled by hardware) as system clock source after startup
  1493.   *         from Reset, wakeup from STOP and STANDBY mode, or in case of failure
  1494.   *         of the HSE used directly or indirectly as system clock (if the Clock
  1495.   *         Security System CSS is enabled).            
  1496.   * @note   MSI can not be stopped if it is used as system clock source. In this case,
  1497.   *         you have to select another source of the system clock then stop the MSI.  
  1498.   * @note   When the MSI is stopped, MSIRDY flag goes low after 6 MSI oscillator
  1499.   *         clock cycles.  
  1500.   */
  1501. #define __HAL_RCC_MSI_DISABLE() (*(__IO uint32_t *) RCC_CR_MSION_BB = DISABLE)
  1502.  
  1503. /** @brief  Macro adjusts Internal Multi Speed oscillator (MSI) calibration value.
  1504.   * @note   The calibration is used to compensate for the variations in voltage
  1505.   *         and temperature that influence the frequency of the internal MSI RC.
  1506.   * @param  _MSICALIBRATIONVALUE_ specifies the calibration trimming value.
  1507.   *         (default is RCC_MSICALIBRATION_DEFAULT).
  1508.   *         This parameter must be a number between 0 and 0xFF.
  1509.   */  
  1510. #define __HAL_RCC_MSI_CALIBRATIONVALUE_ADJUST(_MSICALIBRATIONVALUE_) \
  1511.           (MODIFY_REG(RCC->ICSCR, RCC_ICSCR_MSITRIM, (uint32_t)(_MSICALIBRATIONVALUE_) << POSITION_VAL(RCC_ICSCR_MSITRIM)))
  1512.          
  1513. /* @brief  Macro to configures the Internal Multi Speed oscillator (MSI) clock range.
  1514.   * @note     After restart from Reset or wakeup from STANDBY, the MSI clock is
  1515.   *           around 2.097 MHz. The MSI clock does not change after wake-up from
  1516.   *           STOP mode.
  1517.   * @note    The MSI clock range can be modified on the fly.    
  1518.   * @param  _MSIRANGEVALUE_ specifies the MSI Clock range.
  1519.   *   This parameter must be one of the following values:
  1520.   *     @arg @ref RCC_MSIRANGE_0 MSI clock is around 65.536 KHz
  1521.   *     @arg @ref RCC_MSIRANGE_1 MSI clock is around 131.072 KHz
  1522.   *     @arg @ref RCC_MSIRANGE_2 MSI clock is around 262.144 KHz
  1523.   *     @arg @ref RCC_MSIRANGE_3 MSI clock is around 524.288 KHz
  1524.   *     @arg @ref RCC_MSIRANGE_4 MSI clock is around 1.048 MHz
  1525.   *     @arg @ref RCC_MSIRANGE_5 MSI clock is around 2.097 MHz (default after Reset or wake-up from STANDBY)
  1526.   *     @arg @ref RCC_MSIRANGE_6 MSI clock is around 4.194 MHz
  1527.   */  
  1528. #define __HAL_RCC_MSI_RANGE_CONFIG(_MSIRANGEVALUE_) (MODIFY_REG(RCC->ICSCR, \
  1529.           RCC_ICSCR_MSIRANGE, (uint32_t)(_MSIRANGEVALUE_)))
  1530.  
  1531. /** @brief  Macro to get the Internal Multi Speed oscillator (MSI) clock range in run mode
  1532.   * @retval MSI clock range.
  1533.   *         This parameter must be one of the following values:
  1534.   *     @arg @ref RCC_MSIRANGE_0 MSI clock is around 65.536 KHz
  1535.   *     @arg @ref RCC_MSIRANGE_1 MSI clock is around 131.072 KHz
  1536.   *     @arg @ref RCC_MSIRANGE_2 MSI clock is around 262.144 KHz
  1537.   *     @arg @ref RCC_MSIRANGE_3 MSI clock is around 524.288 KHz
  1538.   *     @arg @ref RCC_MSIRANGE_4 MSI clock is around 1.048 MHz
  1539.   *     @arg @ref RCC_MSIRANGE_5 MSI clock is around 2.097 MHz (default after Reset or wake-up from STANDBY)
  1540.   *     @arg @ref RCC_MSIRANGE_6 MSI clock is around 4.194 MHz
  1541.   */
  1542. #define __HAL_RCC_GET_MSI_RANGE() (uint32_t)(READ_BIT(RCC->ICSCR, RCC_ICSCR_MSIRANGE))
  1543.  
  1544. /**
  1545.   * @}
  1546.   */
  1547.  
  1548. /** @defgroup RCC_PLL_Configuration PLL Configuration
  1549.   * @{  
  1550.   */
  1551.  
  1552. /** @brief Macro to enable the main PLL.
  1553.   * @note   After enabling the main PLL, the application software should wait on
  1554.   *         PLLRDY flag to be set indicating that PLL clock is stable and can
  1555.   *         be used as system clock source.
  1556.   * @note   The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  1557.   */
  1558. #define __HAL_RCC_PLL_ENABLE()          (*(__IO uint32_t *) RCC_CR_PLLON_BB = ENABLE)
  1559.  
  1560. /** @brief Macro to disable the main PLL.
  1561.   * @note   The main PLL can not be disabled if it is used as system clock source
  1562.   */
  1563. #define __HAL_RCC_PLL_DISABLE()         (*(__IO uint32_t *) RCC_CR_PLLON_BB = DISABLE)
  1564.  
  1565. /** @brief Macro to configure the main PLL clock source, multiplication and division factors.
  1566.   * @note   This function must be used only when the main PLL is disabled.
  1567.   *  
  1568.   * @param  __RCC_PLLSOURCE__ specifies the PLL entry clock source.
  1569.   *          This parameter can be one of the following values:
  1570.   *            @arg @ref RCC_PLLSOURCE_HSI HSI oscillator clock selected as PLL clock entry
  1571.   *            @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL clock entry
  1572.   * @param  __PLLMUL__ specifies the multiplication factor for PLL VCO output clock
  1573.   *          This parameter can be one of the following values:
  1574.   *             @arg @ref RCC_PLL_MUL3   PLLVCO = PLL clock entry x 3
  1575.   *             @arg @ref RCC_PLL_MUL4   PLLVCO = PLL clock entry x 4
  1576.   *             @arg @ref RCC_PLL_MUL6   PLLVCO = PLL clock entry x 6
  1577.   *             @arg @ref RCC_PLL_MUL8   PLLVCO = PLL clock entry x 8
  1578.   *             @arg @ref RCC_PLL_MUL12  PLLVCO = PLL clock entry x 12
  1579.   *             @arg @ref RCC_PLL_MUL16  PLLVCO = PLL clock entry x 16
  1580.   *             @arg @ref RCC_PLL_MUL24  PLLVCO = PLL clock entry x 24
  1581.   *             @arg @ref RCC_PLL_MUL32  PLLVCO = PLL clock entry x 32
  1582.   *             @arg @ref RCC_PLL_MUL48  PLLVCO = PLL clock entry x 48
  1583.   * @note The PLL VCO clock frequency must not exceed 96 MHz when the product is in
  1584.   *          Range 1, 48 MHz when the product is in Range 2 and 24 MHz when the product is
  1585.   *          in Range 3.
  1586.   *
  1587.   * @param  __PLLDIV__ specifies the division factor for PLL VCO input clock
  1588.   *          This parameter can be one of the following values:
  1589.   *             @arg @ref RCC_PLL_DIV2 PLL clock output = PLLVCO / 2
  1590.   *             @arg @ref RCC_PLL_DIV3 PLL clock output = PLLVCO / 3
  1591.   *             @arg @ref RCC_PLL_DIV4 PLL clock output = PLLVCO / 4
  1592.   *  
  1593.   */
  1594. #define __HAL_RCC_PLL_CONFIG(__RCC_PLLSOURCE__, __PLLMUL__, __PLLDIV__)\
  1595.           MODIFY_REG(RCC->CFGR, (RCC_CFGR_PLLSRC|RCC_CFGR_PLLMUL|RCC_CFGR_PLLDIV),((__RCC_PLLSOURCE__) | (__PLLMUL__) | (__PLLDIV__)))
  1596.  
  1597. /** @brief  Get oscillator clock selected as PLL input clock
  1598.   * @retval The clock source used for PLL entry. The returned value can be one
  1599.   *         of the following:
  1600.   *             @arg @ref RCC_PLLSOURCE_HSI HSI oscillator clock selected as PLL input clock
  1601.   *             @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL input clock
  1602.   */
  1603. #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC)))
  1604.  
  1605. /**
  1606.   * @}
  1607.   */
  1608.  
  1609. /** @defgroup RCC_Get_Clock_source Get Clock source
  1610.   * @{  
  1611.   */
  1612.  
  1613. /**
  1614.   * @brief  Macro to configure the system clock source.
  1615.   * @param  __SYSCLKSOURCE__ specifies the system clock source.
  1616.   *          This parameter can be one of the following values:
  1617.   *              @arg @ref RCC_SYSCLKSOURCE_MSI MSI oscillator is used as system clock source.
  1618.   *              @arg @ref RCC_SYSCLKSOURCE_HSI HSI oscillator is used as system clock source.
  1619.   *              @arg @ref RCC_SYSCLKSOURCE_HSE HSE oscillator is used as system clock source.
  1620.   *              @arg @ref RCC_SYSCLKSOURCE_PLLCLK PLL output is used as system clock source.
  1621.   */
  1622. #define __HAL_RCC_SYSCLK_CONFIG(__SYSCLKSOURCE__) \
  1623.                   MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__SYSCLKSOURCE__))
  1624.  
  1625. /** @brief  Macro to get the clock source used as system clock.
  1626.   * @retval The clock source used as system clock. The returned value can be one
  1627.   *         of the following:
  1628.   *             @arg @ref RCC_SYSCLKSOURCE_STATUS_MSI MSI used as system clock
  1629.   *             @arg @ref RCC_SYSCLKSOURCE_STATUS_HSI HSI used as system clock
  1630.   *             @arg @ref RCC_SYSCLKSOURCE_STATUS_HSE HSE used as system clock
  1631.   *             @arg @ref RCC_SYSCLKSOURCE_STATUS_PLLCLK PLL used as system clock
  1632.   */
  1633. #define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR,RCC_CFGR_SWS)))
  1634.  
  1635. /**
  1636.   * @}
  1637.   */
  1638.  
  1639. /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
  1640.   * @{  
  1641.   */
  1642.  
  1643. /** @brief  Macro to configure the MCO clock.
  1644.   * @param  __MCOCLKSOURCE__ specifies the MCO clock source.
  1645.   *          This parameter can be one of the following values:
  1646.   *            @arg @ref RCC_MCO1SOURCE_NOCLOCK      No clock selected as MCO clock
  1647.   *            @arg @ref RCC_MCO1SOURCE_SYSCLK       System Clock selected as MCO clock
  1648.   *            @arg @ref RCC_MCO1SOURCE_HSI          HSI oscillator clock selected as MCO clock
  1649.   *            @arg @ref RCC_MCO1SOURCE_MSI          MSI oscillator clock selected as MCO clock
  1650.   *            @arg @ref RCC_MCO1SOURCE_HSE HSE oscillator clock selected as MCO clock
  1651.   *            @arg @ref RCC_MCO1SOURCE_PLLCLK       PLL clock selected as MCO clock
  1652.   *            @arg @ref RCC_MCO1SOURCE_LSI          LSI clock selected as MCO clock
  1653.   *            @arg @ref RCC_MCO1SOURCE_LSE          LSE clock selected as MCO clock
  1654.   * @param  __MCODIV__ specifies the MCO clock prescaler.
  1655.   *          This parameter can be one of the following values:
  1656.   *            @arg @ref RCC_MCODIV_1   MCO clock source is divided by 1
  1657.   *            @arg @ref RCC_MCODIV_2   MCO clock source is divided by 2
  1658.   *            @arg @ref RCC_MCODIV_4   MCO clock source is divided by 4
  1659.   *            @arg @ref RCC_MCODIV_8   MCO clock source is divided by 8
  1660.   *            @arg @ref RCC_MCODIV_16  MCO clock source is divided by 16
  1661.   */
  1662. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  1663.                  MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCOSEL | RCC_CFGR_MCOPRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
  1664.  
  1665. /**
  1666.   * @}
  1667.   */
  1668.  
  1669.   /** @defgroup RCC_RTC_Clock_Configuration RCC RTC Clock Configuration
  1670.   * @{  
  1671.   */
  1672.  
  1673. /** @brief Macro to configure the RTC clock (RTCCLK).
  1674.   * @note   As the RTC clock configuration bits are in the Backup domain and write
  1675.   *         access is denied to this domain after reset, you have to enable write
  1676.   *         access using the Power Backup Access macro before to configure
  1677.   *         the RTC clock source (to be done once after reset).    
  1678.   * @note   Once the RTC clock is configured it cannot be changed unless the  
  1679.   *         Backup domain is reset using @ref __HAL_RCC_BACKUPRESET_FORCE() macro, or by
  1680.   *         a Power On Reset (POR).
  1681.   * @note   RTC prescaler cannot be modified if HSE is enabled (HSEON = 1).
  1682.   *
  1683.   * @param  __RTC_CLKSOURCE__ specifies the RTC clock source.
  1684.   *          This parameter can be one of the following values:
  1685.   *             @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  1686.   *             @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  1687.   *             @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  1688.   *             @arg @ref RCC_RTCCLKSOURCE_HSE_DIV2 HSE divided by 2 selected as RTC clock
  1689.   *             @arg @ref RCC_RTCCLKSOURCE_HSE_DIV4 HSE divided by 4 selected as RTC clock
  1690.   *             @arg @ref RCC_RTCCLKSOURCE_HSE_DIV8 HSE divided by 8 selected as RTC clock
  1691.   *             @arg @ref RCC_RTCCLKSOURCE_HSE_DIV16 HSE divided by 16 selected as RTC clock
  1692.   * @note   If the LSE or LSI is used as RTC clock source, the RTC continues to
  1693.   *         work in STOP and STANDBY modes, and can be used as wakeup source.
  1694.   *         However, when the HSE clock is used as RTC clock source, the RTC
  1695.   *         cannot be used in STOP and STANDBY modes.    
  1696.   * @note   The maximum input clock frequency for RTC is 1MHz (when using HSE as
  1697.   *         RTC clock source).
  1698.   */
  1699. #define __HAL_RCC_RTC_CLKPRESCALER(__RTC_CLKSOURCE__) do { \
  1700.             if(((__RTC_CLKSOURCE__) & RCC_CSR_RTCSEL_HSE) == RCC_CSR_RTCSEL_HSE)          \
  1701.             {                                                                             \
  1702.               MODIFY_REG(RCC->CR, RCC_CR_RTCPRE, ((__RTC_CLKSOURCE__) & RCC_CR_RTCPRE));  \
  1703.             }                                                                             \
  1704.           } while (0)
  1705.  
  1706. #define __HAL_RCC_RTC_CONFIG(__RTC_CLKSOURCE__) do { \
  1707.                                       __HAL_RCC_RTC_CLKPRESCALER(__RTC_CLKSOURCE__);      \
  1708.                                       RCC->CSR |= ((__RTC_CLKSOURCE__) & RCC_CSR_RTCSEL); \
  1709.                                     } while (0)
  1710.                                                    
  1711. /** @brief Macro to get the RTC clock source.
  1712.   * @retval The clock source can be one of the following values:
  1713.   *            @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  1714.   *            @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  1715.   *            @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  1716.   *            @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX HSE divided by X selected as RTC clock (X can be retrieved thanks to @ref __HAL_RCC_GET_RTC_HSE_PRESCALER()
  1717.   */
  1718. #define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->CSR, RCC_CSR_RTCSEL))
  1719.  
  1720. /**
  1721.   * @brief   Get the RTC and LCD HSE clock divider (RTCCLK / LCDCLK).
  1722.   *
  1723.   * @retval Returned value can be one of the following values:
  1724.   *         @arg @ref RCC_RTC_HSE_DIV_2  HSE divided by 2 selected as RTC clock
  1725.   *         @arg @ref RCC_RTC_HSE_DIV_4  HSE divided by 4 selected as RTC clock
  1726.   *         @arg @ref RCC_RTC_HSE_DIV_8  HSE divided by 8 selected as RTC clock
  1727.   *         @arg @ref RCC_RTC_HSE_DIV_16 HSE divided by 16 selected as RTC clock
  1728.   *
  1729.   */
  1730. #define  __HAL_RCC_GET_RTC_HSE_PRESCALER() ((uint32_t)(READ_BIT(RCC->CR, RCC_CR_RTCPRE)))                                                  
  1731.  
  1732. /** @brief Macro to enable the the RTC clock.
  1733.   * @note   These macros must be used only after the RTC clock source was selected.
  1734.   */
  1735. #define __HAL_RCC_RTC_ENABLE()          (*(__IO uint32_t *) RCC_CSR_RTCEN_BB = ENABLE)
  1736.  
  1737. /** @brief Macro to disable the the RTC clock.
  1738.   * @note  These macros must be used only after the RTC clock source was selected.
  1739.   */
  1740. #define __HAL_RCC_RTC_DISABLE()         (*(__IO uint32_t *) RCC_CSR_RTCEN_BB = DISABLE)
  1741.  
  1742. /** @brief  Macro to force the Backup domain reset.
  1743.   * @note   This function resets the RTC peripheral (including the backup registers)
  1744.   *         and the RTC clock source selection in RCC_CSR register.
  1745.   * @note   The BKPSRAM is not affected by this reset.  
  1746.   */
  1747. #define __HAL_RCC_BACKUPRESET_FORCE()   (*(__IO uint32_t *) RCC_CSR_RTCRST_BB = ENABLE)
  1748.  
  1749. /** @brief  Macros to release the Backup domain reset.
  1750.   */
  1751. #define __HAL_RCC_BACKUPRESET_RELEASE() (*(__IO uint32_t *) RCC_CSR_RTCRST_BB = DISABLE)
  1752.  
  1753. /**
  1754.   * @}
  1755.   */
  1756.  
  1757. /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  1758.   * @brief macros to manage the specified RCC Flags and interrupts.
  1759.   * @{
  1760.   */
  1761.  
  1762. /** @brief Enable RCC interrupt.
  1763.   * @param  __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
  1764.   *          This parameter can be any combination of the following values:
  1765.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt
  1766.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt
  1767.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt
  1768.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt
  1769.   *            @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
  1770.   *            @arg @ref RCC_IT_MSIRDY MSI ready interrupt
  1771.   *            @arg @ref RCC_IT_LSECSS LSE CSS interrupt (not available for STM32L100xB || STM32L151xB || STM32L152xB devices)
  1772.   */
  1773. #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
  1774.  
  1775. /** @brief Disable RCC interrupt.
  1776.   * @param  __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
  1777.   *          This parameter can be any combination of the following values:
  1778.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt
  1779.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt
  1780.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt
  1781.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt
  1782.   *            @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
  1783.   *            @arg @ref RCC_IT_MSIRDY MSI ready interrupt
  1784.   *            @arg @ref RCC_IT_LSECSS LSE CSS interrupt (not available for STM32L100xB || STM32L151xB || STM32L152xB devices)
  1785.   */
  1786. #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
  1787.  
  1788. /** @brief Clear the RCC's interrupt pending bits.
  1789.   * @param  __INTERRUPT__ specifies the interrupt pending bit to clear.
  1790.   *          This parameter can be any combination of the following values:
  1791.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
  1792.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt.
  1793.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
  1794.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt.
  1795.   *            @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
  1796.   *            @arg @ref RCC_IT_MSIRDY MSI ready interrupt
  1797.   *            @arg @ref RCC_IT_LSECSS LSE CSS interrupt (not available for STM32L100xB || STM32L151xB || STM32L152xB devices)
  1798.   *            @arg @ref RCC_IT_CSS Clock Security System interrupt
  1799.   */
  1800. #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
  1801.  
  1802. /** @brief Check the RCC's interrupt has occurred or not.
  1803.   * @param  __INTERRUPT__ specifies the RCC interrupt source to check.
  1804.   *          This parameter can be one of the following values:
  1805.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
  1806.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt.
  1807.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
  1808.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt.
  1809.   *            @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
  1810.   *            @arg @ref RCC_IT_MSIRDY MSI ready interrupt
  1811.   *            @arg @ref RCC_IT_LSECSS LSE CSS interrupt (not available for STM32L100xB || STM32L151xB || STM32L152xB devices)
  1812.   *            @arg @ref RCC_IT_CSS Clock Security System interrupt
  1813.   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  1814.   */
  1815. #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
  1816.  
  1817. /** @brief Set RMVF bit to clear the reset flags.
  1818.   *         The reset flags are RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST,
  1819.   *         RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST
  1820.   */
  1821. #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
  1822.  
  1823. /** @brief  Check RCC flag is set or not.
  1824.   * @param  __FLAG__ specifies the flag to check.
  1825.   *          This parameter can be one of the following values:
  1826.   *            @arg @ref RCC_FLAG_HSIRDY HSI oscillator clock ready.
  1827.   *            @arg @ref RCC_FLAG_MSIRDY MSI oscillator clock ready.
  1828.   *            @arg @ref RCC_FLAG_HSERDY HSE oscillator clock ready.
  1829.   *            @arg @ref RCC_FLAG_PLLRDY Main PLL clock ready.
  1830.   *            @arg @ref RCC_FLAG_LSERDY LSE oscillator clock ready.
  1831.   *            @arg @ref RCC_FLAG_LSECSS CSS on LSE failure Detection (*)
  1832.   *            @arg @ref RCC_FLAG_LSIRDY LSI oscillator clock ready.
  1833.   *            @arg @ref RCC_FLAG_OBLRST Option Byte Load reset
  1834.   *            @arg @ref RCC_FLAG_PINRST  Pin reset.
  1835.   *            @arg @ref RCC_FLAG_PORRST  POR/PDR reset.
  1836.   *            @arg @ref RCC_FLAG_SFTRST  Software reset.
  1837.   *            @arg @ref RCC_FLAG_IWDGRST Independent Watchdog reset.
  1838.   *            @arg @ref RCC_FLAG_WWDGRST Window Watchdog reset.
  1839.   *            @arg @ref RCC_FLAG_LPWRRST Low Power reset.
  1840.   * @note (*) This bit is available in high and medium+ density devices only.
  1841.   * @retval The new state of __FLAG__ (TRUE or FALSE).
  1842.   */
  1843. #define __HAL_RCC_GET_FLAG(__FLAG__) (((((__FLAG__) >> 5) == CR_REG_INDEX)? RCC->CR :RCC->CSR) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK)))  
  1844.  
  1845. /**
  1846.   * @}
  1847.   */
  1848.  
  1849. /**
  1850.   * @}
  1851.   */
  1852.  
  1853. /* Include RCC HAL Extension module */
  1854. #include "stm32l1xx_hal_rcc_ex.h"
  1855.  
  1856. /* Exported functions --------------------------------------------------------*/
  1857. /** @addtogroup RCC_Exported_Functions
  1858.   * @{
  1859.   */
  1860.  
  1861. /** @addtogroup RCC_Exported_Functions_Group1
  1862.   * @{
  1863.   */
  1864.  
  1865. /* Initialization and de-initialization functions  ******************************/
  1866. void              HAL_RCC_DeInit(void);
  1867. HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef  *RCC_OscInitStruct);
  1868. HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef  *RCC_ClkInitStruct, uint32_t FLatency);
  1869.  
  1870. /**
  1871.   * @}
  1872.   */
  1873.  
  1874. /** @addtogroup RCC_Exported_Functions_Group2
  1875.   * @{
  1876.   */
  1877.  
  1878. /* Peripheral Control functions  ************************************************/
  1879. void              HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
  1880. void              HAL_RCC_EnableCSS(void);
  1881. void              HAL_RCC_DisableCSS(void);
  1882. uint32_t          HAL_RCC_GetSysClockFreq(void);
  1883. uint32_t          HAL_RCC_GetHCLKFreq(void);
  1884. uint32_t          HAL_RCC_GetPCLK1Freq(void);
  1885. uint32_t          HAL_RCC_GetPCLK2Freq(void);
  1886. void              HAL_RCC_GetOscConfig(RCC_OscInitTypeDef  *RCC_OscInitStruct);
  1887. void              HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef  *RCC_ClkInitStruct, uint32_t *pFLatency);
  1888.  
  1889. /* CSS NMI IRQ handler */
  1890. void              HAL_RCC_NMI_IRQHandler(void);
  1891.  
  1892. /* User Callbacks in non blocking mode (IT mode) */
  1893. void              HAL_RCC_CSSCallback(void);
  1894.  
  1895. /**
  1896.   * @}
  1897.   */
  1898.  
  1899. /**
  1900.   * @}
  1901.   */
  1902.  
  1903. /**
  1904.   * @}
  1905.   */
  1906.  
  1907. /**
  1908.   * @}
  1909.   */
  1910.  
  1911. #ifdef __cplusplus
  1912. }
  1913. #endif
  1914.  
  1915. #endif /* __STM32L1xx_HAL_RCC_H */
  1916.  
  1917. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  1918.  
  1919.