diff options
Diffstat (limited to 'bsp/radio-controller-1/Drivers')
| -rw-r--r-- | bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_iwdg.h | 299 | ||||
| -rw-r--r-- | bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_iwdg.c | 360 |
2 files changed, 659 insertions, 0 deletions
diff --git a/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_iwdg.h b/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_iwdg.h new file mode 100644 index 0000000..86a7f5a --- /dev/null +++ b/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_iwdg.h @@ -0,0 +1,299 @@ +/** + ****************************************************************************** + * @file stm32f1xx_hal_iwdg.h + * @author MCD Application Team + * @version V1.0.4 + * @date 29-April-2016 + * @brief Header file of IWDG HAL module. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F1xx_HAL_IWDG_H +#define __STM32F1xx_HAL_IWDG_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f1xx_hal_def.h" + +/** @addtogroup STM32F1xx_HAL_Driver + * @{ + */ + +/** @addtogroup IWDG + * @{ + */ + +/* Exported types ------------------------------------------------------------*/ + +/** @defgroup IWDG_Exported_Types IWDG Exported Types + * @{ + */ + +/** + * @brief IWDG HAL State Structure definition + */ +typedef enum +{ + HAL_IWDG_STATE_RESET = 0x00, /*!< IWDG not yet initialized or disabled */ + HAL_IWDG_STATE_READY = 0x01, /*!< IWDG initialized and ready for use */ + HAL_IWDG_STATE_BUSY = 0x02, /*!< IWDG internal process is ongoing */ + HAL_IWDG_STATE_TIMEOUT = 0x03, /*!< IWDG timeout state */ + HAL_IWDG_STATE_ERROR = 0x04 /*!< IWDG error state */ + +}HAL_IWDG_StateTypeDef; + +/** + * @brief IWDG Init structure definition + */ +typedef struct +{ + uint32_t Prescaler; /*!< Select the prescaler of the IWDG. + This parameter can be a value of @ref IWDG_Prescaler */ + + uint32_t Reload; /*!< Specifies the IWDG down-counter reload value. + This parameter must be a number between Min_Data = 0 and Max_Data = 0x0FFF */ + +}IWDG_InitTypeDef; + +/** + * @brief IWDG Handle Structure definition + */ +typedef struct +{ + IWDG_TypeDef *Instance; /*!< Register base address */ + + IWDG_InitTypeDef Init; /*!< IWDG required parameters */ + + HAL_LockTypeDef Lock; /*!< IWDG Locking object */ + + __IO HAL_IWDG_StateTypeDef State; /*!< IWDG communication state */ + +}IWDG_HandleTypeDef; + +/** + * @} + */ + +/* Exported constants --------------------------------------------------------*/ + +/** @defgroup IWDG_Exported_Constants IWDG Exported Constants + * @{ + */ + +/** @defgroup IWDG_Registers_BitMask IWDG Registers BitMask + * @brief IWDG registers bit mask + * @{ + */ +/* --- KR Register ---*/ +/* KR register bit mask */ +#define IWDG_KEY_RELOAD ((uint32_t)0xAAAA) /*!< IWDG Reload Counter Enable */ +#define IWDG_KEY_ENABLE ((uint32_t)0xCCCC) /*!< IWDG Peripheral Enable */ +#define IWDG_KEY_WRITE_ACCESS_ENABLE ((uint32_t)0x5555) /*!< IWDG KR Write Access Enable */ +#define IWDG_KEY_WRITE_ACCESS_DISABLE ((uint32_t)0x0000) /*!< IWDG KR Write Access Disable */ + +/** + * @} + */ + +/** @defgroup IWDG_Flag_definition IWDG Flag definition + * @{ + */ +#define IWDG_FLAG_PVU ((uint32_t)IWDG_SR_PVU) /*!< Watchdog counter prescaler value update Flag */ +#define IWDG_FLAG_RVU ((uint32_t)IWDG_SR_RVU) /*!< Watchdog counter reload value update Flag */ + +/** + * @} + */ + +/** @defgroup IWDG_Prescaler IWDG Prescaler + * @{ + */ +#define IWDG_PRESCALER_4 ((uint8_t)0x00) /*!< IWDG prescaler set to 4 */ +#define IWDG_PRESCALER_8 ((uint8_t)(IWDG_PR_PR_0)) /*!< IWDG prescaler set to 8 */ +#define IWDG_PRESCALER_16 ((uint8_t)(IWDG_PR_PR_1)) /*!< IWDG prescaler set to 16 */ +#define IWDG_PRESCALER_32 ((uint8_t)(IWDG_PR_PR_1 | IWDG_PR_PR_0)) /*!< IWDG prescaler set to 32 */ +#define IWDG_PRESCALER_64 ((uint8_t)(IWDG_PR_PR_2)) /*!< IWDG prescaler set to 64 */ +#define IWDG_PRESCALER_128 ((uint8_t)(IWDG_PR_PR_2 | IWDG_PR_PR_0)) /*!< IWDG prescaler set to 128 */ +#define IWDG_PRESCALER_256 ((uint8_t)(IWDG_PR_PR_2 | IWDG_PR_PR_1)) /*!< IWDG prescaler set to 256 */ + +/** + * @} + */ + + +/** + * @} + */ + +/* Exported macros -----------------------------------------------------------*/ + +/** @defgroup IWDG_Exported_Macros IWDG Exported Macros + * @{ + */ + +/** @brief Reset IWDG handle state + * @param __HANDLE__: IWDG handle. + * @retval None + */ +#define __HAL_IWDG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_IWDG_STATE_RESET) + +/** + * @brief Enables the IWDG peripheral. + * @param __HANDLE__: IWDG handle + * @retval None + */ +#define __HAL_IWDG_START(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_ENABLE) + +/** + * @brief Reloads IWDG counter with value defined in the reload register + * (write access to IWDG_PR and IWDG_RLR registers disabled). + * @param __HANDLE__: IWDG handle + * @retval None + */ +#define __HAL_IWDG_RELOAD_COUNTER(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_RELOAD) + + + +/** + * @brief Gets the selected IWDG's flag status. + * @param __HANDLE__: IWDG handle + * @param __FLAG__: specifies the flag to check. + * This parameter can be one of the following values: + * @arg IWDG_FLAG_PVU: Watchdog counter reload value update flag + * @arg IWDG_FLAG_RVU: Watchdog counter prescaler value flag + * @retval The new state of __FLAG__ (TRUE or FALSE). + */ +#define __HAL_IWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__)) + +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ + +/** @defgroup IWDG_Private_Macros IWDG Private Macros + * @{ + */ + + +/** + * @brief Enables write access to IWDG_PR and IWDG_RLR registers. + * @param __HANDLE__: IWDG handle + * @retval None + */ +#define IWDG_ENABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_ENABLE) + +/** + * @brief Disables write access to IWDG_PR and IWDG_RLR registers. + * @param __HANDLE__: IWDG handle + * @retval None + */ +#define IWDG_DISABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_DISABLE) + + +#define IS_IWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == IWDG_PRESCALER_4) || \ + ((__PRESCALER__) == IWDG_PRESCALER_8) || \ + ((__PRESCALER__) == IWDG_PRESCALER_16) || \ + ((__PRESCALER__) == IWDG_PRESCALER_32) || \ + ((__PRESCALER__) == IWDG_PRESCALER_64) || \ + ((__PRESCALER__) == IWDG_PRESCALER_128)|| \ + ((__PRESCALER__) == IWDG_PRESCALER_256)) + + +#define IS_IWDG_RELOAD(__RELOAD__) ((__RELOAD__) <= 0xFFF) + + +/** + * @} + */ + + + +/* Exported functions --------------------------------------------------------*/ + +/** @addtogroup IWDG_Exported_Functions + * @{ + */ + +/** @addtogroup IWDG_Exported_Functions_Group1 + * @{ + */ +/* Initialization/de-initialization functions ********************************/ +HAL_StatusTypeDef HAL_IWDG_Init(IWDG_HandleTypeDef *hiwdg); +void HAL_IWDG_MspInit(IWDG_HandleTypeDef *hiwdg); + +/** + * @} + */ + +/** @addtogroup IWDG_Exported_Functions_Group2 + * @{ + */ +/* I/O operation functions ****************************************************/ +HAL_StatusTypeDef HAL_IWDG_Start(IWDG_HandleTypeDef *hiwdg); +HAL_StatusTypeDef HAL_IWDG_Refresh(IWDG_HandleTypeDef *hiwdg); + +/** + * @} + */ + +/** @addtogroup IWDG_Exported_Functions_Group3 + * @{ + */ +/* Peripheral State functions ************************************************/ +HAL_IWDG_StateTypeDef HAL_IWDG_GetState(IWDG_HandleTypeDef *hiwdg); + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F1xx_HAL_IWDG_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_iwdg.c b/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_iwdg.c new file mode 100644 index 0000000..f867c7c --- /dev/null +++ b/bsp/radio-controller-1/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_iwdg.c @@ -0,0 +1,360 @@ +/** + ****************************************************************************** + * @file stm32f1xx_hal_iwdg.c + * @author MCD Application Team + * @version V1.0.4 + * @date 29-April-2016 + * @brief IWDG HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the Independent Watchdog (IWDG) peripheral: + * + Initialization and Configuration functions + * + IO operation functions + * + Peripheral State functions + @verbatim +================================================================================ + ##### IWDG specific features ##### +================================================================================ + [..] + (+) The IWDG can be started by either software or hardware (configurable + through option byte). + (+) The IWDG is clocked by its own dedicated Low-Speed clock (LSI) and + thus stays active even if the main clock fails. + (+) Once the IWDG is started, the LSI is forced ON and cannot be disabled + (LSI cannot be disabled too), and the counter starts counting down from + the reset value of 0xFFF. When it reaches the end of count value (0x000) + a system reset is generated. + (+) The IWDG counter should be refreshed at regular intervals, otherwise the + watchdog generates an MCU reset when the counter reaches 0. + (+) The IWDG is implemented in the VDD voltage domain that is still functional + in STOP and STANDBY mode (IWDG reset can wake-up from STANDBY). + (+) IWDGRST flag in RCC_CSR register can be used to inform when an IWDG + reset occurs. + + (+) Min-max timeout value at 40KHz (LSI): 0.1us / 26.2s . + The IWDG timeout may vary due to LSI frequency dispersion. STM32F1xx + devices provide the capability to measure the LSI frequency (LSI clock + connected internally to TIM5 CH4 input capture). The measured value + can be used to have an IWDG timeout with an acceptable accuracy. + For more information, please refer to the STM32F1xx Reference manual. + Note: LSI Calibration is only available on: High density, XL-density and Connectivity line devices. + + ##### How to use this driver ##### + ============================================================================== + [..] + (+) Use IWDG using HAL_IWDG_Init() function to : + (++) Enable write access to IWDG_PR, IWDG_RLR. + (++) Configure the IWDG prescaler, counter reload value. + This reload value will be loaded in the IWDG counter each time the counter + is reloaded, then the IWDG will start counting down from this value. + (+) Use IWDG using HAL_IWDG_Start() function to : + (++) Reload IWDG counter with value defined in the IWDG_RLR register. + (++) Start the IWDG, when the IWDG is used in software mode (no need + to enable the LSI, it will be enabled by hardware). + (+) Then the application program must refresh the IWDG counter at regular + intervals during normal operation to prevent an MCU reset, using + HAL_IWDG_Refresh() function. + + *** IWDG HAL driver macros list *** + ==================================== + [..] + Below the list of most used macros in IWDG HAL driver. + + (+) __HAL_IWDG_START: Enable the IWDG peripheral + (+) __HAL_IWDG_RELOAD_COUNTER: Reloads IWDG counter with value defined in the reload register + (+) __HAL_IWDG_GET_FLAG: Get the selected IWDG's flag status + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f1xx_hal.h" + +/** @addtogroup STM32F1xx_HAL_Driver + * @{ + */ + +/** @defgroup IWDG IWDG + * @brief IWDG HAL module driver. + * @{ + */ + +#ifdef HAL_IWDG_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ + +/** @defgroup IWDG_Private_Constants IWDG Private Constants + * @{ + */ + +#define IWDG_DEFAULT_TIMEOUT (uint32_t)1000 + +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup IWDG_Exported_Functions IWDG Exported Functions + * @{ + */ + +/** @defgroup IWDG_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief Initialization and Configuration functions. + * +@verbatim + =============================================================================== + ##### Initialization and de-initialization functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Initialize the IWDG according to the specified parameters + in the IWDG_InitTypeDef and create the associated handle + (+) Initialize the IWDG MSP + (+) DeInitialize IWDG MSP + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the IWDG according to the specified + * parameters in the IWDG_InitTypeDef and creates the associated handle. + * @param hiwdg: pointer to a IWDG_HandleTypeDef structure that contains + * the configuration information for the specified IWDG module. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IWDG_Init(IWDG_HandleTypeDef *hiwdg) +{ + /* Check the IWDG handle allocation */ + if(hiwdg == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_IWDG_ALL_INSTANCE(hiwdg->Instance)); + assert_param(IS_IWDG_PRESCALER(hiwdg->Init.Prescaler)); + assert_param(IS_IWDG_RELOAD(hiwdg->Init.Reload)); + + /* Check pending flag, if previous update not done, return error */ + if((__HAL_IWDG_GET_FLAG(hiwdg, IWDG_FLAG_PVU) != RESET) + &&(__HAL_IWDG_GET_FLAG(hiwdg, IWDG_FLAG_RVU) != RESET)) + { + return HAL_ERROR; + } + + if(hiwdg->State == HAL_IWDG_STATE_RESET) + { + /* Allocate lock resource and initialize it */ + hiwdg->Lock = HAL_UNLOCKED; + + /* Init the low level hardware */ + HAL_IWDG_MspInit(hiwdg); + } + + /* Change IWDG peripheral state */ + hiwdg->State = HAL_IWDG_STATE_BUSY; + + /* Enable write access to IWDG_PR and IWDG_RLR registers */ + IWDG_ENABLE_WRITE_ACCESS(hiwdg); + + /* Write to IWDG registers the IWDG_Prescaler & IWDG_Reload values to work with */ + MODIFY_REG(hiwdg->Instance->PR, IWDG_PR_PR, hiwdg->Init.Prescaler); + MODIFY_REG(hiwdg->Instance->RLR, IWDG_RLR_RL, hiwdg->Init.Reload); + + /* Change IWDG peripheral state */ + hiwdg->State = HAL_IWDG_STATE_READY; + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the IWDG MSP. + * @param hiwdg: pointer to a IWDG_HandleTypeDef structure that contains + * the configuration information for the specified IWDG module. + * @retval None + */ +__weak void HAL_IWDG_MspInit(IWDG_HandleTypeDef *hiwdg) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hiwdg); + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_IWDG_MspInit could be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup IWDG_Exported_Functions_Group2 IO operation functions + * @brief IO operation functions + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Start the IWDG. + (+) Refresh the IWDG. + +@endverbatim + * @{ + */ + +/** + * @brief Starts the IWDG. + * @param hiwdg: pointer to a IWDG_HandleTypeDef structure that contains + * the configuration information for the specified IWDG module. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IWDG_Start(IWDG_HandleTypeDef *hiwdg) +{ + /* Process Locked */ + __HAL_LOCK(hiwdg); + + /* Change IWDG peripheral state */ + hiwdg->State = HAL_IWDG_STATE_BUSY; + + /* Start the IWDG peripheral */ + __HAL_IWDG_START(hiwdg); + + /* Reload IWDG counter with value defined in the RLR register */ + __HAL_IWDG_RELOAD_COUNTER(hiwdg); + + /* Change IWDG peripheral state */ + hiwdg->State = HAL_IWDG_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hiwdg); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Refreshes the IWDG. + * @param hiwdg: pointer to a IWDG_HandleTypeDef structure that contains + * the configuration information for the specified IWDG module. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_IWDG_Refresh(IWDG_HandleTypeDef *hiwdg) +{ + uint32_t tickstart = 0; + + /* Process Locked */ + __HAL_LOCK(hiwdg); + + /* Change IWDG peripheral state */ + hiwdg->State = HAL_IWDG_STATE_BUSY; + + tickstart = HAL_GetTick(); + + /* Wait until RVU flag is RESET */ + while(__HAL_IWDG_GET_FLAG(hiwdg, IWDG_FLAG_RVU) != RESET) + { + if((HAL_GetTick() - tickstart ) > IWDG_DEFAULT_TIMEOUT) + { + /* Set IWDG state */ + hiwdg->State = HAL_IWDG_STATE_TIMEOUT; + + /* Process unlocked */ + __HAL_UNLOCK(hiwdg); + + return HAL_TIMEOUT; + } + } + + /* Reload IWDG counter with value defined in the reload register */ + __HAL_IWDG_RELOAD_COUNTER(hiwdg); + + /* Change IWDG peripheral state */ + hiwdg->State = HAL_IWDG_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hiwdg); + + /* Return function status */ + return HAL_OK; +} + +/** + * @} + */ + +/** @defgroup IWDG_Exported_Functions_Group3 Peripheral State functions + * @brief Peripheral State functions. + * +@verbatim + =============================================================================== + ##### Peripheral State functions ##### + =============================================================================== + [..] + This subsection permits to get in run-time the status of the peripheral + and the data flow. + +@endverbatim + * @{ + */ + +/** + * @brief Returns the IWDG state. + * @param hiwdg: pointer to a IWDG_HandleTypeDef structure that contains + * the configuration information for the specified IWDG module. + * @retval HAL state + */ +HAL_IWDG_StateTypeDef HAL_IWDG_GetState(IWDG_HandleTypeDef *hiwdg) +{ + return hiwdg->State; +} + +/** + * @} + */ + +/** + * @} + */ + +#endif /* HAL_IWDG_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |