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  1. /**
  2.   ******************************************************************************
  3.   * @file    stm32f1xx_hal_rcc.h
  4.   * @author  MCD Application Team
  5.   * @brief   Header file of RCC HAL module.
  6.   ******************************************************************************
  7.   * @attention
  8.   *
  9.   * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  10.   *
  11.   * Redistribution and use in source and binary forms, with or without modification,
  12.   * are permitted provided that the following conditions are met:
  13.   *   1. Redistributions of source code must retain the above copyright notice,
  14.   *      this list of conditions and the following disclaimer.
  15.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  16.   *      this list of conditions and the following disclaimer in the documentation
  17.   *      and/or other materials provided with the distribution.
  18.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  19.   *      may be used to endorse or promote products derived from this software
  20.   *      without specific prior written permission.
  21.   *
  22.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32.   *
  33.   ******************************************************************************
  34.   */
  35.  
  36. /* Define to prevent recursive inclusion -------------------------------------*/
  37. #ifndef __STM32F1xx_HAL_RCC_H
  38. #define __STM32F1xx_HAL_RCC_H
  39.  
  40. #ifdef __cplusplus
  41.  extern "C" {
  42. #endif
  43.  
  44. /* Includes ------------------------------------------------------------------*/
  45. #include "stm32f1xx_hal_def.h"
  46.  
  47. /** @addtogroup STM32F1xx_HAL_Driver
  48.   * @{
  49.   */
  50.  
  51. /** @addtogroup RCC
  52.   * @{
  53.   */
  54.  
  55. /* Exported types ------------------------------------------------------------*/
  56.  
  57. /** @defgroup RCC_Exported_Types RCC Exported Types
  58.   * @{
  59.   */
  60.  
  61. /**
  62.   * @brief  RCC PLL configuration structure definition  
  63.   */
  64. typedef struct
  65. {
  66.   uint32_t PLLState;      /*!< PLLState: The new state of the PLL.
  67.                               This parameter can be a value of @ref RCC_PLL_Config */
  68.  
  69.   uint32_t PLLSource;     /*!< PLLSource: PLL entry clock source.
  70.                               This parameter must be a value of @ref RCC_PLL_Clock_Source */          
  71.  
  72.   uint32_t PLLMUL;        /*!< PLLMUL: Multiplication factor for PLL VCO input clock
  73.                               This parameter must be a value of @ref RCCEx_PLL_Multiplication_Factor */
  74. } RCC_PLLInitTypeDef;
  75.    
  76. /**
  77.   * @brief  RCC System, AHB and APB busses clock configuration structure definition  
  78.   */
  79. typedef struct
  80. {
  81.   uint32_t ClockType;             /*!< The clock to be configured.
  82.                                        This parameter can be a value of @ref RCC_System_Clock_Type */
  83.  
  84.   uint32_t SYSCLKSource;          /*!< The clock source (SYSCLKS) used as system clock.
  85.                                        This parameter can be a value of @ref RCC_System_Clock_Source */
  86.  
  87.   uint32_t AHBCLKDivider;         /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  88.                                        This parameter can be a value of @ref RCC_AHB_Clock_Source */
  89.  
  90.   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  91.                                        This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  92.  
  93.   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
  94.                                        This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  95. } RCC_ClkInitTypeDef;
  96.  
  97. /**
  98.   * @}
  99.   */
  100.  
  101. /* Exported constants --------------------------------------------------------*/
  102. /** @defgroup RCC_Exported_Constants RCC Exported Constants
  103.   * @{
  104.   */
  105.  
  106. /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  107.   * @{
  108.   */
  109.  
  110. #define RCC_PLLSOURCE_HSI_DIV2      0x00000000U     /*!< HSI clock divided by 2 selected as PLL entry clock source */
  111. #define RCC_PLLSOURCE_HSE           RCC_CFGR_PLLSRC            /*!< HSE clock selected as PLL entry clock source */
  112.  
  113. /**
  114.   * @}
  115.   */
  116.  
  117. /** @defgroup RCC_Oscillator_Type Oscillator Type
  118.   * @{
  119.   */
  120. #define RCC_OSCILLATORTYPE_NONE            0x00000000U
  121. #define RCC_OSCILLATORTYPE_HSE             0x00000001U
  122. #define RCC_OSCILLATORTYPE_HSI             0x00000002U
  123. #define RCC_OSCILLATORTYPE_LSE             0x00000004U
  124. #define RCC_OSCILLATORTYPE_LSI             0x00000008U
  125. /**
  126.   * @}
  127.   */
  128.  
  129. /** @defgroup RCC_HSE_Config HSE Config
  130.   * @{
  131.   */
  132. #define RCC_HSE_OFF                      0x00000000U                                /*!< HSE clock deactivation */
  133. #define RCC_HSE_ON                       RCC_CR_HSEON                               /*!< HSE clock activation */
  134. #define RCC_HSE_BYPASS                   ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON)) /*!< External clock source for HSE clock */
  135. /**
  136.   * @}
  137.   */
  138.  
  139. /** @defgroup RCC_LSE_Config LSE Config
  140.   * @{
  141.   */
  142. #define RCC_LSE_OFF                      0x00000000U                                    /*!< LSE clock deactivation */
  143. #define RCC_LSE_ON                       RCC_BDCR_LSEON                                 /*!< LSE clock activation */
  144. #define RCC_LSE_BYPASS                   ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON)) /*!< External clock source for LSE clock */
  145.  
  146. /**
  147.   * @}
  148.   */
  149.  
  150. /** @defgroup RCC_HSI_Config HSI Config
  151.   * @{
  152.   */
  153. #define RCC_HSI_OFF                      0x00000000U                      /*!< HSI clock deactivation */
  154. #define RCC_HSI_ON                       RCC_CR_HSION                     /*!< HSI clock activation */
  155.  
  156. #define RCC_HSICALIBRATION_DEFAULT       0x10U         /* Default HSI calibration trimming value */
  157.  
  158. /**
  159.   * @}
  160.   */
  161.  
  162. /** @defgroup RCC_LSI_Config LSI Config
  163.   * @{
  164.   */
  165. #define RCC_LSI_OFF                      0x00000000U              /*!< LSI clock deactivation */
  166. #define RCC_LSI_ON                       RCC_CSR_LSION            /*!< LSI clock activation */
  167.  
  168. /**
  169.   * @}
  170.   */
  171.  
  172. /** @defgroup RCC_PLL_Config PLL Config
  173.   * @{
  174.   */
  175. #define RCC_PLL_NONE                      0x00000000U  /*!< PLL is not configured */
  176. #define RCC_PLL_OFF                       0x00000001U  /*!< PLL deactivation */
  177. #define RCC_PLL_ON                        0x00000002U  /*!< PLL activation */
  178.  
  179. /**
  180.   * @}
  181.   */
  182.  
  183. /** @defgroup RCC_System_Clock_Type System Clock Type
  184.   * @{
  185.   */
  186. #define RCC_CLOCKTYPE_SYSCLK             0x00000001U /*!< SYSCLK to configure */
  187. #define RCC_CLOCKTYPE_HCLK               0x00000002U /*!< HCLK to configure */
  188. #define RCC_CLOCKTYPE_PCLK1              0x00000004U /*!< PCLK1 to configure */
  189. #define RCC_CLOCKTYPE_PCLK2              0x00000008U /*!< PCLK2 to configure */
  190.  
  191. /**
  192.   * @}
  193.   */
  194.  
  195. /** @defgroup RCC_System_Clock_Source System Clock Source
  196.   * @{
  197.   */
  198. #define RCC_SYSCLKSOURCE_HSI             RCC_CFGR_SW_HSI /*!< HSI selected as system clock */
  199. #define RCC_SYSCLKSOURCE_HSE             RCC_CFGR_SW_HSE /*!< HSE selected as system clock */
  200. #define RCC_SYSCLKSOURCE_PLLCLK          RCC_CFGR_SW_PLL /*!< PLL selected as system clock */
  201.  
  202. /**
  203.   * @}
  204.   */
  205.  
  206. /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  207.   * @{
  208.   */
  209. #define RCC_SYSCLKSOURCE_STATUS_HSI      RCC_CFGR_SWS_HSI            /*!< HSI used as system clock */
  210. #define RCC_SYSCLKSOURCE_STATUS_HSE      RCC_CFGR_SWS_HSE            /*!< HSE used as system clock */
  211. #define RCC_SYSCLKSOURCE_STATUS_PLLCLK   RCC_CFGR_SWS_PLL            /*!< PLL used as system clock */
  212.  
  213. /**
  214.   * @}
  215.   */
  216.  
  217. /** @defgroup RCC_AHB_Clock_Source AHB Clock Source
  218.   * @{
  219.   */
  220. #define RCC_SYSCLK_DIV1                  RCC_CFGR_HPRE_DIV1   /*!< SYSCLK not divided */
  221. #define RCC_SYSCLK_DIV2                  RCC_CFGR_HPRE_DIV2   /*!< SYSCLK divided by 2 */
  222. #define RCC_SYSCLK_DIV4                  RCC_CFGR_HPRE_DIV4   /*!< SYSCLK divided by 4 */
  223. #define RCC_SYSCLK_DIV8                  RCC_CFGR_HPRE_DIV8   /*!< SYSCLK divided by 8 */
  224. #define RCC_SYSCLK_DIV16                 RCC_CFGR_HPRE_DIV16  /*!< SYSCLK divided by 16 */
  225. #define RCC_SYSCLK_DIV64                 RCC_CFGR_HPRE_DIV64  /*!< SYSCLK divided by 64 */
  226. #define RCC_SYSCLK_DIV128                RCC_CFGR_HPRE_DIV128 /*!< SYSCLK divided by 128 */
  227. #define RCC_SYSCLK_DIV256                RCC_CFGR_HPRE_DIV256 /*!< SYSCLK divided by 256 */
  228. #define RCC_SYSCLK_DIV512                RCC_CFGR_HPRE_DIV512 /*!< SYSCLK divided by 512 */
  229.  
  230. /**
  231.   * @}
  232.   */
  233.  
  234. /** @defgroup RCC_APB1_APB2_Clock_Source APB1 APB2 Clock Source
  235.   * @{
  236.   */
  237. #define RCC_HCLK_DIV1                    RCC_CFGR_PPRE1_DIV1  /*!< HCLK not divided */
  238. #define RCC_HCLK_DIV2                    RCC_CFGR_PPRE1_DIV2  /*!< HCLK divided by 2 */
  239. #define RCC_HCLK_DIV4                    RCC_CFGR_PPRE1_DIV4  /*!< HCLK divided by 4 */
  240. #define RCC_HCLK_DIV8                    RCC_CFGR_PPRE1_DIV8  /*!< HCLK divided by 8 */
  241. #define RCC_HCLK_DIV16                   RCC_CFGR_PPRE1_DIV16 /*!< HCLK divided by 16 */
  242.  
  243. /**
  244.   * @}
  245.   */
  246.  
  247. /** @defgroup RCC_RTC_Clock_Source RTC Clock Source
  248.   * @{
  249.   */
  250. #define RCC_RTCCLKSOURCE_NO_CLK          0x00000000U                 /*!< No clock */
  251. #define RCC_RTCCLKSOURCE_LSE             RCC_BDCR_RTCSEL_LSE                  /*!< LSE oscillator clock used as RTC clock */
  252. #define RCC_RTCCLKSOURCE_LSI             RCC_BDCR_RTCSEL_LSI                  /*!< LSI oscillator clock used as RTC clock */
  253. #define RCC_RTCCLKSOURCE_HSE_DIV128      RCC_BDCR_RTCSEL_HSE                    /*!< HSE oscillator clock divided by 128 used as RTC clock */
  254. /**
  255.   * @}
  256.   */
  257.  
  258.  
  259. /** @defgroup RCC_MCO_Index MCO Index
  260.   * @{
  261.   */
  262. #define RCC_MCO1                         0x00000000U
  263. #define RCC_MCO                          RCC_MCO1               /*!< MCO1 to be compliant with other families with 2 MCOs*/
  264.  
  265. /**
  266.   * @}
  267.   */
  268.  
  269. /** @defgroup RCC_MCOx_Clock_Prescaler MCO Clock Prescaler
  270.   * @{
  271.   */
  272. #define RCC_MCODIV_1                    0x00000000U
  273.  
  274. /**
  275.   * @}
  276.   */
  277.  
  278. /** @defgroup RCC_Interrupt Interrupts
  279.   * @{
  280.   */
  281. #define RCC_IT_LSIRDY                    ((uint8_t)RCC_CIR_LSIRDYF)   /*!< LSI Ready Interrupt flag */
  282. #define RCC_IT_LSERDY                    ((uint8_t)RCC_CIR_LSERDYF)   /*!< LSE Ready Interrupt flag */
  283. #define RCC_IT_HSIRDY                    ((uint8_t)RCC_CIR_HSIRDYF)   /*!< HSI Ready Interrupt flag */
  284. #define RCC_IT_HSERDY                    ((uint8_t)RCC_CIR_HSERDYF)   /*!< HSE Ready Interrupt flag */
  285. #define RCC_IT_PLLRDY                    ((uint8_t)RCC_CIR_PLLRDYF)   /*!< PLL Ready Interrupt flag */
  286. #define RCC_IT_CSS                       ((uint8_t)RCC_CIR_CSSF)      /*!< Clock Security System Interrupt flag */
  287. /**
  288.   * @}
  289.   */
  290.  
  291. /** @defgroup RCC_Flag Flags
  292.   *        Elements values convention: XXXYYYYYb
  293.   *           - YYYYY  : Flag position in the register
  294.   *           - XXX  : Register index
  295.   *                 - 001: CR register
  296.   *                 - 010: BDCR register
  297.   *                 - 011: CSR register
  298.   * @{
  299.   */
  300. /* Flags in the CR register */
  301. #define RCC_FLAG_HSIRDY                  ((uint8_t)((CR_REG_INDEX << 5U) | RCC_CR_HSIRDY_Pos)) /*!< Internal High Speed clock ready flag */
  302. #define RCC_FLAG_HSERDY                  ((uint8_t)((CR_REG_INDEX << 5U) | RCC_CR_HSERDY_Pos)) /*!< External High Speed clock ready flag */
  303. #define RCC_FLAG_PLLRDY                  ((uint8_t)((CR_REG_INDEX << 5U) | RCC_CR_PLLRDY_Pos)) /*!< PLL clock ready flag */
  304.  
  305. /* Flags in the CSR register */
  306. #define RCC_FLAG_LSIRDY                  ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_LSIRDY_Pos))   /*!< Internal Low Speed oscillator Ready */
  307. #define RCC_FLAG_PINRST                  ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_PINRSTF_Pos))  /*!< PIN reset flag */
  308. #define RCC_FLAG_PORRST                  ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_PORRSTF_Pos))  /*!< POR/PDR reset flag */
  309. #define RCC_FLAG_SFTRST                  ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_SFTRSTF_Pos))  /*!< Software Reset flag */
  310. #define RCC_FLAG_IWDGRST                 ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_IWDGRSTF_Pos)) /*!< Independent Watchdog reset flag */
  311. #define RCC_FLAG_WWDGRST                 ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_WWDGRSTF_Pos)) /*!< Window watchdog reset flag */
  312. #define RCC_FLAG_LPWRRST                 ((uint8_t)((CSR_REG_INDEX << 5U) | RCC_CSR_LPWRRSTF_Pos)) /*!< Low-Power reset flag */
  313.  
  314. /* Flags in the BDCR register */
  315. #define RCC_FLAG_LSERDY                  ((uint8_t)((BDCR_REG_INDEX << 5U) | RCC_BDCR_LSERDY_Pos)) /*!< External Low Speed oscillator Ready */
  316.  
  317. /**
  318.   * @}
  319.   */
  320.  
  321. /**
  322.   * @}
  323.   */
  324.  
  325. /* Exported macro ------------------------------------------------------------*/
  326.  
  327. /** @defgroup RCC_Exported_Macros RCC Exported Macros
  328.   * @{
  329.   */
  330.  
  331. /** @defgroup RCC_Peripheral_Clock_Enable_Disable Peripheral Clock Enable Disable
  332.   * @brief  Enable or disable the AHB1 peripheral clock.
  333.   * @note   After reset, the peripheral clock (used for registers read/write access)
  334.   *         is disabled and the application software has to enable this clock before
  335.   *         using it.  
  336.   * @{
  337.   */
  338. #define __HAL_RCC_DMA1_CLK_ENABLE()   do { \
  339.                                         __IO uint32_t tmpreg; \
  340.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
  341.                                         /* Delay after an RCC peripheral clock enabling */\
  342.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_DMA1EN);\
  343.                                         UNUSED(tmpreg); \
  344.                                       } while(0U)
  345.  
  346. #define __HAL_RCC_SRAM_CLK_ENABLE()   do { \
  347.                                         __IO uint32_t tmpreg; \
  348.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\
  349.                                         /* Delay after an RCC peripheral clock enabling */\
  350.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_SRAMEN);\
  351.                                         UNUSED(tmpreg); \
  352.                                       } while(0U)
  353.  
  354. #define __HAL_RCC_FLITF_CLK_ENABLE()   do { \
  355.                                         __IO uint32_t tmpreg; \
  356.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
  357.                                         /* Delay after an RCC peripheral clock enabling */\
  358.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FLITFEN);\
  359.                                         UNUSED(tmpreg); \
  360.                                       } while(0U)
  361.  
  362. #define __HAL_RCC_CRC_CLK_ENABLE()   do { \
  363.                                         __IO uint32_t tmpreg; \
  364.                                         SET_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
  365.                                         /* Delay after an RCC peripheral clock enabling */\
  366.                                         tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_CRCEN);\
  367.                                         UNUSED(tmpreg); \
  368.                                       } while(0U)
  369.  
  370. #define __HAL_RCC_DMA1_CLK_DISABLE()      (RCC->AHBENR &= ~(RCC_AHBENR_DMA1EN))
  371. #define __HAL_RCC_SRAM_CLK_DISABLE()      (RCC->AHBENR &= ~(RCC_AHBENR_SRAMEN))
  372. #define __HAL_RCC_FLITF_CLK_DISABLE()     (RCC->AHBENR &= ~(RCC_AHBENR_FLITFEN))
  373. #define __HAL_RCC_CRC_CLK_DISABLE()       (RCC->AHBENR &= ~(RCC_AHBENR_CRCEN))
  374.  
  375. /**
  376.   * @}
  377.   */
  378.  
  379. /** @defgroup RCC_AHB_Peripheral_Clock_Enable_Disable_Status AHB Peripheral Clock Enable Disable Status
  380.   * @brief  Get the enable or disable status of the AHB peripheral clock.
  381.   * @note   After reset, the peripheral clock (used for registers read/write access)
  382.   *         is disabled and the application software has to enable this clock before
  383.   *         using it.
  384.   * @{
  385.   */
  386.  
  387. #define __HAL_RCC_DMA1_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) != RESET)
  388. #define __HAL_RCC_DMA1_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_DMA1EN)) == RESET)
  389. #define __HAL_RCC_SRAM_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_SRAMEN)) != RESET)
  390. #define __HAL_RCC_SRAM_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_SRAMEN)) == RESET)
  391. #define __HAL_RCC_FLITF_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) != RESET)
  392. #define __HAL_RCC_FLITF_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_FLITFEN)) == RESET)
  393. #define __HAL_RCC_CRC_IS_CLK_ENABLED()       ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) != RESET)
  394. #define __HAL_RCC_CRC_IS_CLK_DISABLED()      ((RCC->AHBENR & (RCC_AHBENR_CRCEN)) == RESET)
  395.  
  396. /**
  397.   * @}
  398.   */
  399.  
  400. /** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Clock Enable Disable
  401.   * @brief  Enable or disable the Low Speed APB (APB1) peripheral clock.
  402.   * @note   After reset, the peripheral clock (used for registers read/write access)
  403.   *         is disabled and the application software has to enable this clock before
  404.   *         using it.
  405.   * @{  
  406.   */
  407. #define __HAL_RCC_TIM2_CLK_ENABLE()   do { \
  408.                                         __IO uint32_t tmpreg; \
  409.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM2EN);\
  410.                                         /* Delay after an RCC peripheral clock enabling */\
  411.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM2EN);\
  412.                                         UNUSED(tmpreg); \
  413.                                       } while(0U)
  414.  
  415. #define __HAL_RCC_TIM3_CLK_ENABLE()   do { \
  416.                                         __IO uint32_t tmpreg; \
  417.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
  418.                                         /* Delay after an RCC peripheral clock enabling */\
  419.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_TIM3EN);\
  420.                                         UNUSED(tmpreg); \
  421.                                       } while(0U)
  422.  
  423. #define __HAL_RCC_WWDG_CLK_ENABLE()   do { \
  424.                                         __IO uint32_t tmpreg; \
  425.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  426.                                         /* Delay after an RCC peripheral clock enabling */\
  427.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  428.                                         UNUSED(tmpreg); \
  429.                                       } while(0U)
  430.  
  431. #define __HAL_RCC_USART2_CLK_ENABLE()   do { \
  432.                                         __IO uint32_t tmpreg; \
  433.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  434.                                         /* Delay after an RCC peripheral clock enabling */\
  435.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_USART2EN);\
  436.                                         UNUSED(tmpreg); \
  437.                                       } while(0U)
  438.  
  439. #define __HAL_RCC_I2C1_CLK_ENABLE()   do { \
  440.                                         __IO uint32_t tmpreg; \
  441.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  442.                                         /* Delay after an RCC peripheral clock enabling */\
  443.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\
  444.                                         UNUSED(tmpreg); \
  445.                                       } while(0U)
  446.  
  447. #define __HAL_RCC_BKP_CLK_ENABLE()   do { \
  448.                                         __IO uint32_t tmpreg; \
  449.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_BKPEN);\
  450.                                         /* Delay after an RCC peripheral clock enabling */\
  451.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_BKPEN);\
  452.                                         UNUSED(tmpreg); \
  453.                                       } while(0U)
  454.  
  455. #define __HAL_RCC_PWR_CLK_ENABLE()   do { \
  456.                                         __IO uint32_t tmpreg; \
  457.                                         SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  458.                                         /* Delay after an RCC peripheral clock enabling */\
  459.                                         tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  460.                                         UNUSED(tmpreg); \
  461.                                       } while(0U)
  462.  
  463. #define __HAL_RCC_TIM2_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM2EN))
  464. #define __HAL_RCC_TIM3_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_TIM3EN))
  465. #define __HAL_RCC_WWDG_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
  466. #define __HAL_RCC_USART2_CLK_DISABLE()    (RCC->APB1ENR &= ~(RCC_APB1ENR_USART2EN))
  467. #define __HAL_RCC_I2C1_CLK_DISABLE()      (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
  468.  
  469. #define __HAL_RCC_BKP_CLK_DISABLE()       (RCC->APB1ENR &= ~(RCC_APB1ENR_BKPEN))
  470. #define __HAL_RCC_PWR_CLK_DISABLE()       (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
  471.  
  472. /**
  473.   * @}
  474.   */
  475.  
  476. /** @defgroup RCC_APB1_Peripheral_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
  477.   * @brief  Get the enable or disable status of the APB1 peripheral clock.
  478.   * @note   After reset, the peripheral clock (used for registers read/write access)
  479.   *         is disabled and the application software has to enable this clock before
  480.   *         using it.
  481.   * @{
  482.   */
  483.  
  484. #define __HAL_RCC_TIM2_IS_CLK_ENABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_TIM2EN)) != RESET)
  485. #define __HAL_RCC_TIM2_IS_CLK_DISABLED()      ((RCC->APB1ENR & (RCC_APB1ENR_TIM2EN)) == RESET)
  486. #define __HAL_RCC_TIM3_IS_CLK_ENABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN)) != RESET)
  487. #define __HAL_RCC_TIM3_IS_CLK_DISABLED()      ((RCC->APB1ENR & (RCC_APB1ENR_TIM3EN)) == RESET)
  488. #define __HAL_RCC_WWDG_IS_CLK_ENABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
  489. #define __HAL_RCC_WWDG_IS_CLK_DISABLED()      ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
  490. #define __HAL_RCC_USART2_IS_CLK_ENABLED()     ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) != RESET)
  491. #define __HAL_RCC_USART2_IS_CLK_DISABLED()    ((RCC->APB1ENR & (RCC_APB1ENR_USART2EN)) == RESET)
  492. #define __HAL_RCC_I2C1_IS_CLK_ENABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) != RESET)
  493. #define __HAL_RCC_I2C1_IS_CLK_DISABLED()      ((RCC->APB1ENR & (RCC_APB1ENR_I2C1EN)) == RESET)
  494. #define __HAL_RCC_BKP_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_BKPEN)) != RESET)
  495. #define __HAL_RCC_BKP_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_BKPEN)) == RESET)
  496. #define __HAL_RCC_PWR_IS_CLK_ENABLED()        ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
  497. #define __HAL_RCC_PWR_IS_CLK_DISABLED()       ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
  498.  
  499. /**
  500.   * @}
  501.   */
  502.  
  503. /** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Clock Enable Disable
  504.   * @brief  Enable or disable the High Speed APB (APB2) peripheral clock.
  505.   * @note   After reset, the peripheral clock (used for registers read/write access)
  506.   *         is disabled and the application software has to enable this clock before
  507.   *         using it.
  508.   * @{  
  509.   */
  510. #define __HAL_RCC_AFIO_CLK_ENABLE()   do { \
  511.                                         __IO uint32_t tmpreg; \
  512.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_AFIOEN);\
  513.                                         /* Delay after an RCC peripheral clock enabling */\
  514.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_AFIOEN);\
  515.                                         UNUSED(tmpreg); \
  516.                                       } while(0U)
  517.  
  518. #define __HAL_RCC_GPIOA_CLK_ENABLE()   do { \
  519.                                         __IO uint32_t tmpreg; \
  520.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPAEN);\
  521.                                         /* Delay after an RCC peripheral clock enabling */\
  522.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPAEN);\
  523.                                         UNUSED(tmpreg); \
  524.                                       } while(0U)
  525.  
  526. #define __HAL_RCC_GPIOB_CLK_ENABLE()   do { \
  527.                                         __IO uint32_t tmpreg; \
  528.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPBEN);\
  529.                                         /* Delay after an RCC peripheral clock enabling */\
  530.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPBEN);\
  531.                                         UNUSED(tmpreg); \
  532.                                       } while(0U)
  533.  
  534. #define __HAL_RCC_GPIOC_CLK_ENABLE()   do { \
  535.                                         __IO uint32_t tmpreg; \
  536.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPCEN);\
  537.                                         /* Delay after an RCC peripheral clock enabling */\
  538.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPCEN);\
  539.                                         UNUSED(tmpreg); \
  540.                                       } while(0U)
  541.  
  542. #define __HAL_RCC_GPIOD_CLK_ENABLE()   do { \
  543.                                         __IO uint32_t tmpreg; \
  544.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPDEN);\
  545.                                         /* Delay after an RCC peripheral clock enabling */\
  546.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPDEN);\
  547.                                         UNUSED(tmpreg); \
  548.                                       } while(0U)
  549.  
  550. #define __HAL_RCC_ADC1_CLK_ENABLE()   do { \
  551.                                         __IO uint32_t tmpreg; \
  552.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  553.                                         /* Delay after an RCC peripheral clock enabling */\
  554.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_ADC1EN);\
  555.                                         UNUSED(tmpreg); \
  556.                                       } while(0U)
  557.  
  558. #define __HAL_RCC_TIM1_CLK_ENABLE()   do { \
  559.                                         __IO uint32_t tmpreg; \
  560.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  561.                                         /* Delay after an RCC peripheral clock enabling */\
  562.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_TIM1EN);\
  563.                                         UNUSED(tmpreg); \
  564.                                       } while(0U)
  565.  
  566. #define __HAL_RCC_SPI1_CLK_ENABLE()   do { \
  567.                                         __IO uint32_t tmpreg; \
  568.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  569.                                         /* Delay after an RCC peripheral clock enabling */\
  570.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SPI1EN);\
  571.                                         UNUSED(tmpreg); \
  572.                                       } while(0U)
  573.  
  574. #define __HAL_RCC_USART1_CLK_ENABLE()   do { \
  575.                                         __IO uint32_t tmpreg; \
  576.                                         SET_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  577.                                         /* Delay after an RCC peripheral clock enabling */\
  578.                                         tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_USART1EN);\
  579.                                         UNUSED(tmpreg); \
  580.                                       } while(0U)
  581.  
  582. #define __HAL_RCC_AFIO_CLK_DISABLE()      (RCC->APB2ENR &= ~(RCC_APB2ENR_AFIOEN))
  583. #define __HAL_RCC_GPIOA_CLK_DISABLE()     (RCC->APB2ENR &= ~(RCC_APB2ENR_IOPAEN))
  584. #define __HAL_RCC_GPIOB_CLK_DISABLE()     (RCC->APB2ENR &= ~(RCC_APB2ENR_IOPBEN))
  585. #define __HAL_RCC_GPIOC_CLK_DISABLE()     (RCC->APB2ENR &= ~(RCC_APB2ENR_IOPCEN))
  586. #define __HAL_RCC_GPIOD_CLK_DISABLE()     (RCC->APB2ENR &= ~(RCC_APB2ENR_IOPDEN))
  587. #define __HAL_RCC_ADC1_CLK_DISABLE()      (RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN))
  588.  
  589. #define __HAL_RCC_TIM1_CLK_DISABLE()      (RCC->APB2ENR &= ~(RCC_APB2ENR_TIM1EN))
  590. #define __HAL_RCC_SPI1_CLK_DISABLE()      (RCC->APB2ENR &= ~(RCC_APB2ENR_SPI1EN))
  591. #define __HAL_RCC_USART1_CLK_DISABLE()    (RCC->APB2ENR &= ~(RCC_APB2ENR_USART1EN))
  592.  
  593. /**
  594.   * @}
  595.   */
  596.  
  597. /** @defgroup RCC_APB2_Peripheral_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  598.   * @brief  Get the enable or disable status of the APB2 peripheral clock.
  599.   * @note   After reset, the peripheral clock (used for registers read/write access)
  600.   *         is disabled and the application software has to enable this clock before
  601.   *         using it.
  602.   * @{
  603.   */
  604.  
  605. #define __HAL_RCC_AFIO_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_AFIOEN)) != RESET)
  606. #define __HAL_RCC_AFIO_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_AFIOEN)) == RESET)
  607. #define __HAL_RCC_GPIOA_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_IOPAEN)) != RESET)
  608. #define __HAL_RCC_GPIOA_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_IOPAEN)) == RESET)
  609. #define __HAL_RCC_GPIOB_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_IOPBEN)) != RESET)
  610. #define __HAL_RCC_GPIOB_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_IOPBEN)) == RESET)
  611. #define __HAL_RCC_GPIOC_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_IOPCEN)) != RESET)
  612. #define __HAL_RCC_GPIOC_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_IOPCEN)) == RESET)
  613. #define __HAL_RCC_GPIOD_IS_CLK_ENABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_IOPDEN)) != RESET)
  614. #define __HAL_RCC_GPIOD_IS_CLK_DISABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_IOPDEN)) == RESET)
  615. #define __HAL_RCC_ADC1_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) != RESET)
  616. #define __HAL_RCC_ADC1_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_ADC1EN)) == RESET)
  617. #define __HAL_RCC_TIM1_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) != RESET)
  618. #define __HAL_RCC_TIM1_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_TIM1EN)) == RESET)
  619. #define __HAL_RCC_SPI1_IS_CLK_ENABLED()       ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) != RESET)
  620. #define __HAL_RCC_SPI1_IS_CLK_DISABLED()      ((RCC->APB2ENR & (RCC_APB2ENR_SPI1EN)) == RESET)
  621. #define __HAL_RCC_USART1_IS_CLK_ENABLED()     ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) != RESET)
  622. #define __HAL_RCC_USART1_IS_CLK_DISABLED()    ((RCC->APB2ENR & (RCC_APB2ENR_USART1EN)) == RESET)
  623.  
  624. /**
  625.   * @}
  626.   */
  627.  
  628. /** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset
  629.   * @brief  Force or release APB1 peripheral reset.
  630.   * @{  
  631.   */
  632. #define __HAL_RCC_APB1_FORCE_RESET()       (RCC->APB2RSTR = 0xFFFFFFFFU)  
  633. #define __HAL_RCC_TIM2_FORCE_RESET()       (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM2RST))
  634. #define __HAL_RCC_TIM3_FORCE_RESET()       (RCC->APB1RSTR |= (RCC_APB1RSTR_TIM3RST))
  635. #define __HAL_RCC_WWDG_FORCE_RESET()       (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
  636. #define __HAL_RCC_USART2_FORCE_RESET()     (RCC->APB1RSTR |= (RCC_APB1RSTR_USART2RST))
  637. #define __HAL_RCC_I2C1_FORCE_RESET()       (RCC->APB1RSTR |= (RCC_APB1RSTR_I2C1RST))
  638.  
  639. #define __HAL_RCC_BKP_FORCE_RESET()        (RCC->APB1RSTR |= (RCC_APB1RSTR_BKPRST))
  640. #define __HAL_RCC_PWR_FORCE_RESET()        (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
  641.  
  642. #define __HAL_RCC_APB1_RELEASE_RESET()      (RCC->APB1RSTR = 0x00)  
  643. #define __HAL_RCC_TIM2_RELEASE_RESET()       (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM2RST))
  644. #define __HAL_RCC_TIM3_RELEASE_RESET()       (RCC->APB1RSTR &= ~(RCC_APB1RSTR_TIM3RST))
  645. #define __HAL_RCC_WWDG_RELEASE_RESET()       (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
  646. #define __HAL_RCC_USART2_RELEASE_RESET()     (RCC->APB1RSTR &= ~(RCC_APB1RSTR_USART2RST))
  647. #define __HAL_RCC_I2C1_RELEASE_RESET()       (RCC->APB1RSTR &= ~(RCC_APB1RSTR_I2C1RST))
  648.  
  649. #define __HAL_RCC_BKP_RELEASE_RESET()        (RCC->APB1RSTR &= ~(RCC_APB1RSTR_BKPRST))
  650. #define __HAL_RCC_PWR_RELEASE_RESET()        (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
  651.  
  652. /**
  653.   * @}
  654.   */
  655.  
  656. /** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset
  657.   * @brief  Force or release APB2 peripheral reset.
  658.   * @{  
  659.   */
  660. #define __HAL_RCC_APB2_FORCE_RESET()       (RCC->APB2RSTR = 0xFFFFFFFFU)  
  661. #define __HAL_RCC_AFIO_FORCE_RESET()       (RCC->APB2RSTR |= (RCC_APB2RSTR_AFIORST))
  662. #define __HAL_RCC_GPIOA_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_IOPARST))
  663. #define __HAL_RCC_GPIOB_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_IOPBRST))
  664. #define __HAL_RCC_GPIOC_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_IOPCRST))
  665. #define __HAL_RCC_GPIOD_FORCE_RESET()      (RCC->APB2RSTR |= (RCC_APB2RSTR_IOPDRST))
  666. #define __HAL_RCC_ADC1_FORCE_RESET()       (RCC->APB2RSTR |= (RCC_APB2RSTR_ADC1RST))
  667.  
  668. #define __HAL_RCC_TIM1_FORCE_RESET()       (RCC->APB2RSTR |= (RCC_APB2RSTR_TIM1RST))
  669. #define __HAL_RCC_SPI1_FORCE_RESET()       (RCC->APB2RSTR |= (RCC_APB2RSTR_SPI1RST))
  670. #define __HAL_RCC_USART1_FORCE_RESET()     (RCC->APB2RSTR |= (RCC_APB2RSTR_USART1RST))
  671.  
  672. #define __HAL_RCC_APB2_RELEASE_RESET()      (RCC->APB2RSTR = 0x00)  
  673. #define __HAL_RCC_AFIO_RELEASE_RESET()       (RCC->APB2RSTR &= ~(RCC_APB2RSTR_AFIORST))
  674. #define __HAL_RCC_GPIOA_RELEASE_RESET()      (RCC->APB2RSTR &= ~(RCC_APB2RSTR_IOPARST))
  675. #define __HAL_RCC_GPIOB_RELEASE_RESET()      (RCC->APB2RSTR &= ~(RCC_APB2RSTR_IOPBRST))
  676. #define __HAL_RCC_GPIOC_RELEASE_RESET()      (RCC->APB2RSTR &= ~(RCC_APB2RSTR_IOPCRST))
  677. #define __HAL_RCC_GPIOD_RELEASE_RESET()      (RCC->APB2RSTR &= ~(RCC_APB2RSTR_IOPDRST))
  678. #define __HAL_RCC_ADC1_RELEASE_RESET()       (RCC->APB2RSTR &= ~(RCC_APB2RSTR_ADC1RST))
  679.  
  680. #define __HAL_RCC_TIM1_RELEASE_RESET()       (RCC->APB2RSTR &= ~(RCC_APB2RSTR_TIM1RST))
  681. #define __HAL_RCC_SPI1_RELEASE_RESET()       (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SPI1RST))
  682. #define __HAL_RCC_USART1_RELEASE_RESET()     (RCC->APB2RSTR &= ~(RCC_APB2RSTR_USART1RST))
  683.  
  684. /**
  685.   * @}
  686.   */
  687.  
  688. /** @defgroup RCC_HSI_Configuration HSI Configuration
  689.   * @{  
  690.   */
  691.  
  692. /** @brief  Macros to enable or disable the Internal High Speed oscillator (HSI).
  693.   * @note   The HSI is stopped by hardware when entering STOP and STANDBY modes.
  694.   * @note   HSI can not be stopped if it is used as system clock source. In this case,
  695.   *         you have to select another source of the system clock then stop the HSI.  
  696.   * @note   After enabling the HSI, the application software should wait on HSIRDY
  697.   *         flag to be set indicating that HSI clock is stable and can be used as
  698.   *         system clock source.  
  699.   * @note   When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  700.   *         clock cycles.  
  701.   */
  702. #define __HAL_RCC_HSI_ENABLE()  (*(__IO uint32_t *) RCC_CR_HSION_BB = ENABLE)
  703. #define __HAL_RCC_HSI_DISABLE() (*(__IO uint32_t *) RCC_CR_HSION_BB = DISABLE)
  704.  
  705. /** @brief  Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  706.   * @note   The calibration is used to compensate for the variations in voltage
  707.   *         and temperature that influence the frequency of the internal HSI RC.
  708.   * @param  _HSICALIBRATIONVALUE_ specifies the calibration trimming value.
  709.   *         (default is RCC_HSICALIBRATION_DEFAULT).
  710.   *         This parameter must be a number between 0 and 0x1F.
  711.   */  
  712. #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(_HSICALIBRATIONVALUE_) \
  713.           (MODIFY_REG(RCC->CR, RCC_CR_HSITRIM, (uint32_t)(_HSICALIBRATIONVALUE_) << RCC_CR_HSITRIM_Pos))
  714.  
  715. /**
  716.   * @}
  717.   */
  718.  
  719. /** @defgroup RCC_LSI_Configuration  LSI Configuration
  720.   * @{  
  721.   */
  722.  
  723. /** @brief Macro to enable the Internal Low Speed oscillator (LSI).
  724.   * @note   After enabling the LSI, the application software should wait on
  725.   *         LSIRDY flag to be set indicating that LSI clock is stable and can
  726.   *         be used to clock the IWDG and/or the RTC.
  727.   */
  728. #define __HAL_RCC_LSI_ENABLE()  (*(__IO uint32_t *) RCC_CSR_LSION_BB = ENABLE)
  729.  
  730. /** @brief Macro to disable the Internal Low Speed oscillator (LSI).
  731.   * @note   LSI can not be disabled if the IWDG is running.  
  732.   * @note   When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  733.   *         clock cycles.
  734.   */
  735. #define __HAL_RCC_LSI_DISABLE() (*(__IO uint32_t *) RCC_CSR_LSION_BB = DISABLE)
  736.  
  737. /**
  738.   * @}
  739.   */
  740.  
  741. /** @defgroup RCC_HSE_Configuration HSE Configuration
  742.   * @{  
  743.   */
  744.  
  745. /**
  746.   * @brief  Macro to configure the External High Speed oscillator (HSE).
  747.   * @note   Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
  748.   *         supported by this macro. User should request a transition to HSE Off
  749.   *         first and then HSE On or HSE Bypass.
  750.   * @note   After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  751.   *         software should wait on HSERDY flag to be set indicating that HSE clock
  752.   *         is stable and can be used to clock the PLL and/or system clock.
  753.   * @note   HSE state can not be changed if it is used directly or through the
  754.   *         PLL as system clock. In this case, you have to select another source
  755.   *         of the system clock then change the HSE state (ex. disable it).
  756.   * @note   The HSE is stopped by hardware when entering STOP and STANDBY modes.
  757.   * @note   This function reset the CSSON bit, so if the clock security system(CSS)
  758.   *         was previously enabled you have to enable it again after calling this
  759.   *         function.
  760.   * @param  __STATE__ specifies the new state of the HSE.
  761.   *          This parameter can be one of the following values:
  762.   *            @arg @ref RCC_HSE_OFF turn OFF the HSE oscillator, HSERDY flag goes low after
  763.   *                              6 HSE oscillator clock cycles.
  764.   *            @arg @ref RCC_HSE_ON turn ON the HSE oscillator
  765.   *            @arg @ref RCC_HSE_BYPASS HSE oscillator bypassed with external clock
  766.   */
  767. #define __HAL_RCC_HSE_CONFIG(__STATE__)                                     \
  768.                     do{                                                     \
  769.                       if ((__STATE__) == RCC_HSE_ON)                        \
  770.                       {                                                     \
  771.                         SET_BIT(RCC->CR, RCC_CR_HSEON);                     \
  772.                       }                                                     \
  773.                       else if ((__STATE__) == RCC_HSE_OFF)                  \
  774.                       {                                                     \
  775.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEON);                   \
  776.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);                  \
  777.                       }                                                     \
  778.                       else if ((__STATE__) == RCC_HSE_BYPASS)               \
  779.                       {                                                     \
  780.                         SET_BIT(RCC->CR, RCC_CR_HSEBYP);                    \
  781.                         SET_BIT(RCC->CR, RCC_CR_HSEON);                     \
  782.                       }                                                     \
  783.                       else                                                  \
  784.                       {                                                     \
  785.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEON);                   \
  786.                         CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP);                  \
  787.                       }                                                     \
  788.                     }while(0U)
  789.  
  790. /**
  791.   * @}
  792.   */
  793.  
  794. /** @defgroup RCC_LSE_Configuration LSE Configuration
  795.   * @{  
  796.   */
  797.  
  798. /**
  799.   * @brief  Macro to configure the External Low Speed oscillator (LSE).
  800.   * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
  801.   * @note   As the LSE is in the Backup domain and write access is denied to
  802.   *         this domain after reset, you have to enable write access using
  803.   *         @ref HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  804.   *         (to be done once after reset).  
  805.   * @note   After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  806.   *         software should wait on LSERDY flag to be set indicating that LSE clock
  807.   *         is stable and can be used to clock the RTC.
  808.   * @param  __STATE__ specifies the new state of the LSE.
  809.   *         This parameter can be one of the following values:
  810.   *            @arg @ref RCC_LSE_OFF turn OFF the LSE oscillator, LSERDY flag goes low after
  811.   *                              6 LSE oscillator clock cycles.
  812.   *            @arg @ref RCC_LSE_ON turn ON the LSE oscillator.
  813.   *            @arg @ref RCC_LSE_BYPASS LSE oscillator bypassed with external clock.
  814.   */
  815. #define __HAL_RCC_LSE_CONFIG(__STATE__)                                     \
  816.                     do{                                                     \
  817.                       if ((__STATE__) == RCC_LSE_ON)                        \
  818.                       {                                                     \
  819.                         SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);                   \
  820.                       }                                                     \
  821.                       else if ((__STATE__) == RCC_LSE_OFF)                  \
  822.                       {                                                     \
  823.                         CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);                 \
  824.                         CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);                \
  825.                       }                                                     \
  826.                       else if ((__STATE__) == RCC_LSE_BYPASS)               \
  827.                       {                                                     \
  828.                         SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);                  \
  829.                         SET_BIT(RCC->BDCR, RCC_BDCR_LSEON);                   \
  830.                       }                                                     \
  831.                       else                                                  \
  832.                       {                                                     \
  833.                         CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON);                 \
  834.                         CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP);                \
  835.                       }                                                     \
  836.                     }while(0U)
  837.  
  838. /**
  839.   * @}
  840.   */
  841.  
  842. /** @defgroup RCC_PLL_Configuration PLL Configuration
  843.   * @{  
  844.   */
  845.  
  846. /** @brief Macro to enable the main PLL.
  847.   * @note   After enabling the main PLL, the application software should wait on
  848.   *         PLLRDY flag to be set indicating that PLL clock is stable and can
  849.   *         be used as system clock source.
  850.   * @note   The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  851.   */
  852. #define __HAL_RCC_PLL_ENABLE()          (*(__IO uint32_t *) RCC_CR_PLLON_BB = ENABLE)
  853.  
  854. /** @brief Macro to disable the main PLL.
  855.   * @note   The main PLL can not be disabled if it is used as system clock source
  856.   */
  857. #define __HAL_RCC_PLL_DISABLE()         (*(__IO uint32_t *) RCC_CR_PLLON_BB = DISABLE)
  858.  
  859. /** @brief Macro to configure the main PLL clock source and multiplication factors.
  860.   * @note   This function must be used only when the main PLL is disabled.
  861.   *  
  862.   * @param  __RCC_PLLSOURCE__ specifies the PLL entry clock source.
  863.   *          This parameter can be one of the following values:
  864.   *            @arg @ref RCC_PLLSOURCE_HSI_DIV2 HSI oscillator clock selected as PLL clock entry
  865.   *            @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL clock entry
  866.   * @param  __PLLMUL__ specifies the multiplication factor for PLL VCO output clock
  867.   *          This parameter can be one of the following values:
  868.   *             @arg @ref RCC_PLL_MUL4   PLLVCO = PLL clock entry x 4
  869.   *             @arg @ref RCC_PLL_MUL6   PLLVCO = PLL clock entry x 6
  870.   @if STM32F105xC
  871.   *             @arg @ref RCC_PLL_MUL6_5 PLLVCO = PLL clock entry x 6.5
  872.   @elseif STM32F107xC
  873.   *             @arg @ref RCC_PLL_MUL6_5 PLLVCO = PLL clock entry x 6.5
  874.   @else
  875.   *             @arg @ref RCC_PLL_MUL2   PLLVCO = PLL clock entry x 2
  876.   *             @arg @ref RCC_PLL_MUL3   PLLVCO = PLL clock entry x 3
  877.   *             @arg @ref RCC_PLL_MUL10  PLLVCO = PLL clock entry x 10
  878.   *             @arg @ref RCC_PLL_MUL11  PLLVCO = PLL clock entry x 11
  879.   *             @arg @ref RCC_PLL_MUL12  PLLVCO = PLL clock entry x 12
  880.   *             @arg @ref RCC_PLL_MUL13  PLLVCO = PLL clock entry x 13
  881.   *             @arg @ref RCC_PLL_MUL14  PLLVCO = PLL clock entry x 14
  882.   *             @arg @ref RCC_PLL_MUL15  PLLVCO = PLL clock entry x 15
  883.   *             @arg @ref RCC_PLL_MUL16  PLLVCO = PLL clock entry x 16
  884.   @endif
  885.   *             @arg @ref RCC_PLL_MUL8   PLLVCO = PLL clock entry x 8
  886.   *             @arg @ref RCC_PLL_MUL9   PLLVCO = PLL clock entry x 9
  887.   *  
  888.   */
  889. #define __HAL_RCC_PLL_CONFIG(__RCC_PLLSOURCE__, __PLLMUL__)\
  890.           MODIFY_REG(RCC->CFGR, (RCC_CFGR_PLLSRC | RCC_CFGR_PLLMULL),((__RCC_PLLSOURCE__) | (__PLLMUL__) ))
  891.  
  892. /** @brief  Get oscillator clock selected as PLL input clock
  893.   * @retval The clock source used for PLL entry. The returned value can be one
  894.   *         of the following:
  895.   *             @arg @ref RCC_PLLSOURCE_HSI_DIV2 HSI oscillator clock selected as PLL input clock
  896.   *             @arg @ref RCC_PLLSOURCE_HSE HSE oscillator clock selected as PLL input clock
  897.   */
  898. #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(READ_BIT(RCC->CFGR, RCC_CFGR_PLLSRC)))
  899.  
  900. /**
  901.   * @}
  902.   */
  903.  
  904. /** @defgroup RCC_Get_Clock_source Get Clock source
  905.   * @{  
  906.   */
  907.  
  908. /**
  909.   * @brief  Macro to configure the system clock source.
  910.   * @param  __SYSCLKSOURCE__ specifies the system clock source.
  911.   *          This parameter can be one of the following values:
  912.   *              @arg @ref RCC_SYSCLKSOURCE_HSI HSI oscillator is used as system clock source.
  913.   *              @arg @ref RCC_SYSCLKSOURCE_HSE HSE oscillator is used as system clock source.
  914.   *              @arg @ref RCC_SYSCLKSOURCE_PLLCLK PLL output is used as system clock source.
  915.   */
  916. #define __HAL_RCC_SYSCLK_CONFIG(__SYSCLKSOURCE__) \
  917.                   MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__SYSCLKSOURCE__))
  918.  
  919. /** @brief  Macro to get the clock source used as system clock.
  920.   * @retval The clock source used as system clock. The returned value can be one
  921.   *         of the following:
  922.   *             @arg @ref RCC_SYSCLKSOURCE_STATUS_HSI HSI used as system clock
  923.   *             @arg @ref RCC_SYSCLKSOURCE_STATUS_HSE HSE used as system clock
  924.   *             @arg @ref RCC_SYSCLKSOURCE_STATUS_PLLCLK PLL used as system clock
  925.   */
  926. #define __HAL_RCC_GET_SYSCLK_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR,RCC_CFGR_SWS)))
  927.  
  928. /**
  929.   * @}
  930.   */
  931.  
  932. /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
  933.   * @{  
  934.   */
  935.  
  936. #if   defined(RCC_CFGR_MCO_3)
  937. /** @brief  Macro to configure the MCO clock.
  938.   * @param  __MCOCLKSOURCE__ specifies the MCO clock source.
  939.   *         This parameter can be one of the following values:
  940.   *            @arg @ref RCC_MCO1SOURCE_NOCLOCK      No clock selected as MCO clock
  941.   *            @arg @ref RCC_MCO1SOURCE_SYSCLK       System clock (SYSCLK) selected as MCO clock
  942.   *            @arg @ref RCC_MCO1SOURCE_HSI          HSI selected as MCO clock
  943.   *            @arg @ref RCC_MCO1SOURCE_HSE          HSE selected as MCO clock
  944.   *            @arg @ref RCC_MCO1SOURCE_PLLCLK       PLL clock divided by 2 selected as MCO clock
  945.   *            @arg @ref RCC_MCO1SOURCE_PLL2CLK      PLL2 clock selected by 2 selected as MCO clock
  946.   *            @arg @ref RCC_MCO1SOURCE_PLL3CLK_DIV2 PLL3 clock divided by 2 selected as MCO clock
  947.   *            @arg @ref RCC_MCO1SOURCE_EXT_HSE XT1  external 3-25 MHz oscillator clock selected (for Ethernet) as MCO clock
  948.   *            @arg @ref RCC_MCO1SOURCE_PLL3CLK      PLL3 clock selected (for Ethernet) as MCO clock
  949.   * @param  __MCODIV__ specifies the MCO clock prescaler.
  950.   *         This parameter can be one of the following values:
  951.   *            @arg @ref RCC_MCODIV_1 No division applied on MCO clock source
  952.   */
  953. #else
  954. /** @brief  Macro to configure the MCO clock.
  955.   * @param  __MCOCLKSOURCE__ specifies the MCO clock source.
  956.   *         This parameter can be one of the following values:
  957.   *            @arg @ref RCC_MCO1SOURCE_NOCLOCK No clock selected as MCO clock
  958.   *            @arg @ref RCC_MCO1SOURCE_SYSCLK  System clock (SYSCLK) selected as MCO clock
  959.   *            @arg @ref RCC_MCO1SOURCE_HSI HSI selected as MCO clock
  960.   *            @arg @ref RCC_MCO1SOURCE_HSE HSE selected as MCO clock
  961.   *            @arg @ref RCC_MCO1SOURCE_PLLCLK  PLL clock divided by 2 selected as MCO clock
  962.   * @param  __MCODIV__ specifies the MCO clock prescaler.
  963.   *         This parameter can be one of the following values:
  964.   *            @arg @ref RCC_MCODIV_1 No division applied on MCO clock source
  965.   */
  966. #endif
  967.  
  968. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  969.                  MODIFY_REG(RCC->CFGR, RCC_CFGR_MCO, (__MCOCLKSOURCE__))
  970.  
  971.  
  972. /**
  973.   * @}
  974.   */
  975.  
  976.   /** @defgroup RCC_RTC_Clock_Configuration RCC RTC Clock Configuration
  977.   * @{  
  978.   */
  979.  
  980. /** @brief Macro to configure the RTC clock (RTCCLK).
  981.   * @note   As the RTC clock configuration bits are in the Backup domain and write
  982.   *         access is denied to this domain after reset, you have to enable write
  983.   *         access using the Power Backup Access macro before to configure
  984.   *         the RTC clock source (to be done once after reset).    
  985.   * @note   Once the RTC clock is configured it can't be changed unless the  
  986.   *         Backup domain is reset using @ref __HAL_RCC_BACKUPRESET_FORCE() macro, or by
  987.   *         a Power On Reset (POR).
  988.   *
  989.   * @param  __RTC_CLKSOURCE__ specifies the RTC clock source.
  990.   *          This parameter can be one of the following values:
  991.   *             @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  992.   *             @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  993.   *             @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  994.   *             @arg @ref RCC_RTCCLKSOURCE_HSE_DIV128 HSE divided by 128 selected as RTC clock
  995.   * @note   If the LSE or LSI is used as RTC clock source, the RTC continues to
  996.   *         work in STOP and STANDBY modes, and can be used as wakeup source.
  997.   *         However, when the HSE clock is used as RTC clock source, the RTC
  998.   *         cannot be used in STOP and STANDBY modes.    
  999.   * @note   The maximum input clock frequency for RTC is 1MHz (when using HSE as
  1000.   *         RTC clock source).
  1001.   */
  1002. #define __HAL_RCC_RTC_CONFIG(__RTC_CLKSOURCE__) MODIFY_REG(RCC->BDCR, RCC_BDCR_RTCSEL, (__RTC_CLKSOURCE__))
  1003.                                                    
  1004. /** @brief Macro to get the RTC clock source.
  1005.   * @retval The clock source can be one of the following values:
  1006.   *            @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  1007.   *            @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  1008.   *            @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  1009.   *            @arg @ref RCC_RTCCLKSOURCE_HSE_DIV128 HSE divided by 128 selected as RTC clock
  1010.   */
  1011. #define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL))
  1012.  
  1013. /** @brief Macro to enable the the RTC clock.
  1014.   * @note   These macros must be used only after the RTC clock source was selected.
  1015.   */
  1016. #define __HAL_RCC_RTC_ENABLE()          (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = ENABLE)
  1017.  
  1018. /** @brief Macro to disable the the RTC clock.
  1019.   * @note  These macros must be used only after the RTC clock source was selected.
  1020.   */
  1021. #define __HAL_RCC_RTC_DISABLE()         (*(__IO uint32_t *) RCC_BDCR_RTCEN_BB = DISABLE)
  1022.  
  1023. /** @brief  Macro to force the Backup domain reset.
  1024.   * @note   This function resets the RTC peripheral (including the backup registers)
  1025.   *         and the RTC clock source selection in RCC_BDCR register.
  1026.   */
  1027. #define __HAL_RCC_BACKUPRESET_FORCE()   (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = ENABLE)
  1028.  
  1029. /** @brief  Macros to release the Backup domain reset.
  1030.   */
  1031. #define __HAL_RCC_BACKUPRESET_RELEASE() (*(__IO uint32_t *) RCC_BDCR_BDRST_BB = DISABLE)
  1032.  
  1033. /**
  1034.   * @}
  1035.   */
  1036.  
  1037. /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  1038.   * @brief macros to manage the specified RCC Flags and interrupts.
  1039.   * @{
  1040.   */
  1041.  
  1042. /** @brief Enable RCC interrupt.
  1043.   * @param  __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
  1044.   *          This parameter can be any combination of the following values:
  1045.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt
  1046.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt
  1047.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt
  1048.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt
  1049.   *            @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
  1050.   @if STM32F105xx
  1051.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1052.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1053.   @elsif STM32F107xx
  1054.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1055.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1056.   @endif
  1057.   */
  1058. #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
  1059.  
  1060. /** @brief Disable RCC interrupt.
  1061.   * @param  __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
  1062.   *          This parameter can be any combination of the following values:
  1063.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt
  1064.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt
  1065.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt
  1066.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt
  1067.   *            @arg @ref RCC_IT_PLLRDY main PLL ready interrupt
  1068.   @if STM32F105xx
  1069.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1070.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1071.   @elsif STM32F107xx
  1072.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1073.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1074.   @endif
  1075.   */
  1076. #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
  1077.  
  1078. /** @brief Clear the RCC's interrupt pending bits.
  1079.   * @param  __INTERRUPT__ specifies the interrupt pending bit to clear.
  1080.   *          This parameter can be any combination of the following values:
  1081.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
  1082.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt.
  1083.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
  1084.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt.
  1085.   *            @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
  1086.   @if STM32F105xx
  1087.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1088.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1089.   @elsif STM32F107xx
  1090.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1091.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1092.   @endif
  1093.   *            @arg @ref RCC_IT_CSS Clock Security System interrupt
  1094.   */
  1095. #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
  1096.  
  1097. /** @brief Check the RCC's interrupt has occurred or not.
  1098.   * @param  __INTERRUPT__ specifies the RCC interrupt source to check.
  1099.   *          This parameter can be one of the following values:
  1100.   *            @arg @ref RCC_IT_LSIRDY LSI ready interrupt.
  1101.   *            @arg @ref RCC_IT_LSERDY LSE ready interrupt.
  1102.   *            @arg @ref RCC_IT_HSIRDY HSI ready interrupt.
  1103.   *            @arg @ref RCC_IT_HSERDY HSE ready interrupt.
  1104.   *            @arg @ref RCC_IT_PLLRDY Main PLL ready interrupt.
  1105.   @if STM32F105xx
  1106.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1107.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1108.   @elsif STM32F107xx
  1109.   *            @arg @ref RCC_IT_PLL2RDY Main PLL2 ready interrupt.
  1110.   *            @arg @ref RCC_IT_PLLI2S2RDY Main PLLI2S ready interrupt.
  1111.   @endif
  1112.   *            @arg @ref RCC_IT_CSS Clock Security System interrupt
  1113.   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  1114.   */
  1115. #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
  1116.  
  1117. /** @brief Set RMVF bit to clear the reset flags.
  1118.   *         The reset flags are RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST,
  1119.   *         RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST
  1120.   */
  1121. #define __HAL_RCC_CLEAR_RESET_FLAGS() (*(__IO uint32_t *)RCC_CSR_RMVF_BB = ENABLE)
  1122.  
  1123. /** @brief  Check RCC flag is set or not.
  1124.   * @param  __FLAG__ specifies the flag to check.
  1125.   *          This parameter can be one of the following values:
  1126.   *            @arg @ref RCC_FLAG_HSIRDY HSI oscillator clock ready.
  1127.   *            @arg @ref RCC_FLAG_HSERDY HSE oscillator clock ready.
  1128.   *            @arg @ref RCC_FLAG_PLLRDY Main PLL clock ready.
  1129.   @if STM32F105xx
  1130.   *            @arg @ref RCC_FLAG_PLL2RDY Main PLL2 clock ready.
  1131.   *            @arg @ref RCC_FLAG_PLLI2SRDY Main PLLI2S clock ready.
  1132.   @elsif STM32F107xx
  1133.   *            @arg @ref RCC_FLAG_PLL2RDY Main PLL2 clock ready.
  1134.   *            @arg @ref RCC_FLAG_PLLI2SRDY Main PLLI2S clock ready.
  1135.   @endif
  1136.   *            @arg @ref RCC_FLAG_LSERDY LSE oscillator clock ready.
  1137.   *            @arg @ref RCC_FLAG_LSIRDY LSI oscillator clock ready.
  1138.   *            @arg @ref RCC_FLAG_PINRST  Pin reset.
  1139.   *            @arg @ref RCC_FLAG_PORRST  POR/PDR reset.
  1140.   *            @arg @ref RCC_FLAG_SFTRST  Software reset.
  1141.   *            @arg @ref RCC_FLAG_IWDGRST Independent Watchdog reset.
  1142.   *            @arg @ref RCC_FLAG_WWDGRST Window Watchdog reset.
  1143.   *            @arg @ref RCC_FLAG_LPWRRST Low Power reset.
  1144.   * @retval The new state of __FLAG__ (TRUE or FALSE).
  1145.   */
  1146. #define __HAL_RCC_GET_FLAG(__FLAG__) (((((__FLAG__) >> 5U) == CR_REG_INDEX)?   RCC->CR   : \
  1147.                                       ((((__FLAG__) >> 5U) == BDCR_REG_INDEX)? RCC->BDCR : \
  1148.                                                                               RCC->CSR)) & (1U << ((__FLAG__) & RCC_FLAG_MASK)))
  1149.  
  1150. /**
  1151.   * @}
  1152.   */
  1153.  
  1154. /**
  1155.   * @}
  1156.   */
  1157.  
  1158. /* Include RCC HAL Extension module */
  1159. #include "stm32f1xx_hal_rcc_ex.h"
  1160.  
  1161. /* Exported functions --------------------------------------------------------*/
  1162. /** @addtogroup RCC_Exported_Functions
  1163.   * @{
  1164.   */
  1165.  
  1166. /** @addtogroup RCC_Exported_Functions_Group1
  1167.   * @{
  1168.   */
  1169.  
  1170. /* Initialization and de-initialization functions  ******************************/
  1171. HAL_StatusTypeDef HAL_RCC_DeInit(void);
  1172. HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef  *RCC_OscInitStruct);
  1173. HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef  *RCC_ClkInitStruct, uint32_t FLatency);
  1174.  
  1175. /**
  1176.   * @}
  1177.   */
  1178.  
  1179. /** @addtogroup RCC_Exported_Functions_Group2
  1180.   * @{
  1181.   */
  1182.  
  1183. /* Peripheral Control functions  ************************************************/
  1184. void              HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
  1185. void              HAL_RCC_EnableCSS(void);
  1186. void              HAL_RCC_DisableCSS(void);
  1187. uint32_t          HAL_RCC_GetSysClockFreq(void);
  1188. uint32_t          HAL_RCC_GetHCLKFreq(void);
  1189. uint32_t          HAL_RCC_GetPCLK1Freq(void);
  1190. uint32_t          HAL_RCC_GetPCLK2Freq(void);
  1191. void              HAL_RCC_GetOscConfig(RCC_OscInitTypeDef  *RCC_OscInitStruct);
  1192. void              HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef  *RCC_ClkInitStruct, uint32_t *pFLatency);
  1193.  
  1194. /* CSS NMI IRQ handler */
  1195. void              HAL_RCC_NMI_IRQHandler(void);
  1196.  
  1197. /* User Callbacks in non blocking mode (IT mode) */
  1198. void              HAL_RCC_CSSCallback(void);
  1199.  
  1200. /**
  1201.   * @}
  1202.   */
  1203.  
  1204. /**
  1205.   * @}
  1206.   */
  1207.  
  1208. /** @addtogroup RCC_Private_Constants
  1209.   * @{
  1210.   */
  1211.  
  1212. /** @defgroup RCC_Timeout RCC Timeout
  1213.   * @{
  1214.   */
  1215.  
  1216. /* Disable Backup domain write protection state change timeout */
  1217. #define RCC_DBP_TIMEOUT_VALUE          100U    /* 100 ms */
  1218. /* LSE state change timeout */
  1219. #define RCC_LSE_TIMEOUT_VALUE          LSE_STARTUP_TIMEOUT
  1220. #define CLOCKSWITCH_TIMEOUT_VALUE      5000    /* 5 s    */
  1221. #define HSE_TIMEOUT_VALUE              HSE_STARTUP_TIMEOUT
  1222. #define HSI_TIMEOUT_VALUE              2U      /* 2 ms (minimum Tick + 1) */
  1223. #define LSI_TIMEOUT_VALUE              2U      /* 2 ms (minimum Tick + 1) */
  1224. #define PLL_TIMEOUT_VALUE              2U      /* 2 ms (minimum Tick + 1) */
  1225.  
  1226. /**
  1227.   * @}
  1228.   */
  1229.  
  1230. /** @defgroup RCC_Register_Offset Register offsets
  1231.   * @{
  1232.   */
  1233. #define RCC_OFFSET                (RCC_BASE - PERIPH_BASE)
  1234. #define RCC_CR_OFFSET             0x00U
  1235. #define RCC_CFGR_OFFSET           0x04U
  1236. #define RCC_CIR_OFFSET            0x08U
  1237. #define RCC_BDCR_OFFSET           0x20U
  1238. #define RCC_CSR_OFFSET            0x24U
  1239.  
  1240. /**
  1241.   * @}
  1242.   */
  1243.  
  1244. /** @defgroup RCC_BitAddress_AliasRegion BitAddress AliasRegion
  1245.   * @brief RCC registers bit address in the alias region
  1246.   * @{
  1247.   */
  1248. #define RCC_CR_OFFSET_BB          (RCC_OFFSET + RCC_CR_OFFSET)
  1249. #define RCC_CFGR_OFFSET_BB        (RCC_OFFSET + RCC_CFGR_OFFSET)
  1250. #define RCC_CIR_OFFSET_BB         (RCC_OFFSET + RCC_CIR_OFFSET)
  1251. #define RCC_BDCR_OFFSET_BB        (RCC_OFFSET + RCC_BDCR_OFFSET)
  1252. #define RCC_CSR_OFFSET_BB         (RCC_OFFSET + RCC_CSR_OFFSET)
  1253.  
  1254. /* --- CR Register ---*/
  1255. /* Alias word address of HSION bit */
  1256. #define RCC_HSION_BIT_NUMBER      RCC_CR_HSION_Pos
  1257. #define RCC_CR_HSION_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_HSION_BIT_NUMBER * 4U)))
  1258. /* Alias word address of HSEON bit */
  1259. #define RCC_HSEON_BIT_NUMBER      RCC_CR_HSEON_Pos
  1260. #define RCC_CR_HSEON_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_HSEON_BIT_NUMBER * 4U)))
  1261. /* Alias word address of CSSON bit */
  1262. #define RCC_CSSON_BIT_NUMBER      RCC_CR_CSSON_Pos
  1263. #define RCC_CR_CSSON_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_CSSON_BIT_NUMBER * 4U)))
  1264. /* Alias word address of PLLON bit */
  1265. #define RCC_PLLON_BIT_NUMBER      RCC_CR_PLLON_Pos
  1266. #define RCC_CR_PLLON_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CR_OFFSET_BB * 32U) + (RCC_PLLON_BIT_NUMBER * 4U)))
  1267.  
  1268. /* --- CSR Register ---*/
  1269. /* Alias word address of LSION bit */
  1270. #define RCC_LSION_BIT_NUMBER      RCC_CSR_LSION_Pos
  1271. #define RCC_CSR_LSION_BB          ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32U) + (RCC_LSION_BIT_NUMBER * 4U)))
  1272.  
  1273. /* Alias word address of RMVF bit */
  1274. #define RCC_RMVF_BIT_NUMBER       RCC_CSR_RMVF_Pos
  1275. #define RCC_CSR_RMVF_BB           ((uint32_t)(PERIPH_BB_BASE + (RCC_CSR_OFFSET_BB * 32U) + (RCC_RMVF_BIT_NUMBER * 4U)))
  1276.  
  1277. /* --- BDCR Registers ---*/
  1278. /* Alias word address of LSEON bit */
  1279. #define RCC_LSEON_BIT_NUMBER      RCC_BDCR_LSEON_Pos
  1280. #define RCC_BDCR_LSEON_BB          ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_LSEON_BIT_NUMBER * 4U)))
  1281.  
  1282. /* Alias word address of LSEON bit */
  1283. #define RCC_LSEBYP_BIT_NUMBER     RCC_BDCR_LSEBYP_Pos
  1284. #define RCC_BDCR_LSEBYP_BB         ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_LSEBYP_BIT_NUMBER * 4U)))
  1285.  
  1286. /* Alias word address of RTCEN bit */
  1287. #define RCC_RTCEN_BIT_NUMBER      RCC_BDCR_RTCEN_Pos
  1288. #define RCC_BDCR_RTCEN_BB          ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_RTCEN_BIT_NUMBER * 4U)))
  1289.  
  1290. /* Alias word address of BDRST bit */
  1291. #define RCC_BDRST_BIT_NUMBER      RCC_BDCR_BDRST_Pos
  1292. #define RCC_BDCR_BDRST_BB         ((uint32_t)(PERIPH_BB_BASE + (RCC_BDCR_OFFSET_BB * 32U) + (RCC_BDRST_BIT_NUMBER * 4U)))
  1293.  
  1294. /**
  1295.   * @}
  1296.   */
  1297.  
  1298. /* CR register byte 2 (Bits[23:16]) base address */
  1299. #define RCC_CR_BYTE2_ADDRESS          ((uint32_t)(RCC_BASE + RCC_CR_OFFSET + 0x02U))
  1300.  
  1301. /* CIR register byte 1 (Bits[15:8]) base address */
  1302. #define RCC_CIR_BYTE1_ADDRESS     ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x01U))
  1303.  
  1304. /* CIR register byte 2 (Bits[23:16]) base address */
  1305. #define RCC_CIR_BYTE2_ADDRESS     ((uint32_t)(RCC_BASE + RCC_CIR_OFFSET + 0x02U))
  1306.  
  1307. /* Defines used for Flags */
  1308. #define CR_REG_INDEX                     ((uint8_t)1)
  1309. #define BDCR_REG_INDEX                   ((uint8_t)2)
  1310. #define CSR_REG_INDEX                    ((uint8_t)3)
  1311.  
  1312. #define RCC_FLAG_MASK                    ((uint8_t)0x1F)
  1313.  
  1314. /**
  1315.   * @}
  1316.   */
  1317.  
  1318. /** @addtogroup RCC_Private_Macros
  1319.   * @{
  1320.   */
  1321. /** @defgroup RCC_Alias_For_Legacy Alias define maintained for legacy
  1322.   * @{
  1323.   */
  1324. #define __HAL_RCC_SYSCFG_CLK_DISABLE    __HAL_RCC_AFIO_CLK_DISABLE
  1325. #define __HAL_RCC_SYSCFG_CLK_ENABLE     __HAL_RCC_AFIO_CLK_ENABLE
  1326. #define __HAL_RCC_SYSCFG_FORCE_RESET    __HAL_RCC_AFIO_FORCE_RESET
  1327. #define __HAL_RCC_SYSCFG_RELEASE_RESET  __HAL_RCC_AFIO_RELEASE_RESET
  1328. /**
  1329.   * @}
  1330.   */
  1331.  
  1332. #define IS_RCC_PLLSOURCE(__SOURCE__) (((__SOURCE__) == RCC_PLLSOURCE_HSI_DIV2) || \
  1333.                                       ((__SOURCE__) == RCC_PLLSOURCE_HSE))
  1334. #define IS_RCC_OSCILLATORTYPE(__OSCILLATOR__) (((__OSCILLATOR__) == RCC_OSCILLATORTYPE_NONE)                           || \
  1335.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE) || \
  1336.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI) || \
  1337.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI) || \
  1338.                                                (((__OSCILLATOR__) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE))
  1339. #define IS_RCC_HSE(__HSE__) (((__HSE__) == RCC_HSE_OFF) || ((__HSE__) == RCC_HSE_ON) || \
  1340.                              ((__HSE__) == RCC_HSE_BYPASS))
  1341. #define IS_RCC_LSE(__LSE__) (((__LSE__) == RCC_LSE_OFF) || ((__LSE__) == RCC_LSE_ON) || \
  1342.                              ((__LSE__) == RCC_LSE_BYPASS))
  1343. #define IS_RCC_HSI(__HSI__) (((__HSI__) == RCC_HSI_OFF) || ((__HSI__) == RCC_HSI_ON))
  1344. #define IS_RCC_CALIBRATION_VALUE(__VALUE__) ((__VALUE__) <= 0x1FU)
  1345. #define IS_RCC_LSI(__LSI__) (((__LSI__) == RCC_LSI_OFF) || ((__LSI__) == RCC_LSI_ON))
  1346. #define IS_RCC_PLL(__PLL__) (((__PLL__) == RCC_PLL_NONE) || ((__PLL__) == RCC_PLL_OFF) || \
  1347.                              ((__PLL__) == RCC_PLL_ON))
  1348.  
  1349. #define IS_RCC_CLOCKTYPE(CLK) ((((CLK) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK) || \
  1350.                                (((CLK) & RCC_CLOCKTYPE_HCLK)   == RCC_CLOCKTYPE_HCLK)   || \
  1351.                                (((CLK) & RCC_CLOCKTYPE_PCLK1)  == RCC_CLOCKTYPE_PCLK1)  || \
  1352.                                (((CLK) & RCC_CLOCKTYPE_PCLK2)  == RCC_CLOCKTYPE_PCLK2))
  1353. #define IS_RCC_SYSCLKSOURCE(__SOURCE__) (((__SOURCE__) == RCC_SYSCLKSOURCE_HSI) || \
  1354.                                          ((__SOURCE__) == RCC_SYSCLKSOURCE_HSE) || \
  1355.                                          ((__SOURCE__) == RCC_SYSCLKSOURCE_PLLCLK))
  1356. #define IS_RCC_SYSCLKSOURCE_STATUS(__SOURCE__) (((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_HSI) || \
  1357.                                                 ((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_HSE) || \
  1358.                                                 ((__SOURCE__) == RCC_SYSCLKSOURCE_STATUS_PLLCLK))
  1359. #define IS_RCC_HCLK(__HCLK__) (((__HCLK__) == RCC_SYSCLK_DIV1) || ((__HCLK__) == RCC_SYSCLK_DIV2) || \
  1360.                                ((__HCLK__) == RCC_SYSCLK_DIV4) || ((__HCLK__) == RCC_SYSCLK_DIV8) || \
  1361.                                ((__HCLK__) == RCC_SYSCLK_DIV16) || ((__HCLK__) == RCC_SYSCLK_DIV64) || \
  1362.                                ((__HCLK__) == RCC_SYSCLK_DIV128) || ((__HCLK__) == RCC_SYSCLK_DIV256) || \
  1363.                                ((__HCLK__) == RCC_SYSCLK_DIV512))
  1364. #define IS_RCC_PCLK(__PCLK__) (((__PCLK__) == RCC_HCLK_DIV1) || ((__PCLK__) == RCC_HCLK_DIV2) || \
  1365.                                ((__PCLK__) == RCC_HCLK_DIV4) || ((__PCLK__) == RCC_HCLK_DIV8) || \
  1366.                                ((__PCLK__) == RCC_HCLK_DIV16))
  1367. #define IS_RCC_MCO(__MCO__)  ((__MCO__) == RCC_MCO)
  1368. #define IS_RCC_MCODIV(__DIV__) (((__DIV__) == RCC_MCODIV_1))
  1369. #define IS_RCC_RTCCLKSOURCE(__SOURCE__)  (((__SOURCE__) == RCC_RTCCLKSOURCE_NO_CLK) || \
  1370.                                           ((__SOURCE__) == RCC_RTCCLKSOURCE_LSE) || \
  1371.                                           ((__SOURCE__) == RCC_RTCCLKSOURCE_LSI) || \
  1372.                                           ((__SOURCE__) == RCC_RTCCLKSOURCE_HSE_DIV128))
  1373.  
  1374. /**
  1375.   * @}
  1376.   */
  1377.  
  1378. /**
  1379.   * @}
  1380.   */
  1381.  
  1382. /**
  1383.   * @}
  1384.   */
  1385.  
  1386. #ifdef __cplusplus
  1387. }
  1388. #endif
  1389.  
  1390. #endif /* __STM32F1xx_HAL_RCC_H */
  1391.  
  1392. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  1393.  
  1394.