From 3e4f402c0f93f76535511fa7b6ec12d060430f34 Mon Sep 17 00:00:00 2001 From: Fredrik Thulin Date: Wed, 2 Sep 2015 16:35:31 +0200 Subject: import CMSIS 1.3.2 (from STM32Cube FW_F4 V1.7.0) --- Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c | 1067 +++++++++++----------- 1 file changed, 531 insertions(+), 536 deletions(-) (limited to 'Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c') diff --git a/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c index 6c076c3..2649228 100644 --- a/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c +++ b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c @@ -1,536 +1,531 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal.c - * @author MCD Application Team - * @version V1.1.0 - * @date 19-June-2014 - * @brief HAL module driver. - * This is the common part of the HAL initialization - * - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - The common HAL driver contains a set of generic and common APIs that can be - used by the PPP peripheral drivers and the user to start using the HAL. - [..] - The HAL contains two APIs' categories: - (+) Common HAL APIs - (+) Services HAL APIs - - @endverbatim - ****************************************************************************** - * @attention - * - *

© COPYRIGHT(c) 2014 STMicroelectronics

- * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup HAL - * @brief HAL module driver. - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** - * @brief STM32F4xx HAL Driver version number V1.1.0 - */ -#define __STM32F4xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */ -#define __STM32F4xx_HAL_VERSION_SUB1 (0x01) /*!< [23:16] sub1 version */ -#define __STM32F4xx_HAL_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ -#define __STM32F4xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */ -#define __STM32F4xx_HAL_VERSION ((__STM32F4xx_HAL_VERSION_MAIN << 24)\ - |(__STM32F4xx_HAL_VERSION_SUB1 << 16)\ - |(__STM32F4xx_HAL_VERSION_SUB2 << 8 )\ - |(__STM32F4xx_HAL_VERSION_RC)) - -#define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF) - -/* ------------ RCC registers bit address in the alias region ----------- */ -#define SYSCFG_OFFSET (SYSCFG_BASE - PERIPH_BASE) -/* --- MEMRMP Register ---*/ -/* Alias word address of UFB_MODE bit */ -#define MEMRMP_OFFSET SYSCFG_OFFSET -#define UFB_MODE_BitNumber ((uint8_t)0x8) -#define UFB_MODE_BB (PERIPH_BB_BASE + (MEMRMP_OFFSET * 32) + (UFB_MODE_BitNumber * 4)) - -/* --- CMPCR Register ---*/ -/* Alias word address of CMP_PD bit */ -#define CMPCR_OFFSET (SYSCFG_OFFSET + 0x20) -#define CMP_PD_BitNumber ((uint8_t)0x00) -#define CMPCR_CMP_PD_BB (PERIPH_BB_BASE + (CMPCR_OFFSET * 32) + (CMP_PD_BitNumber * 4)) -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -static __IO uint32_t uwTick; - -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup HAL_Private_Functions - * @{ - */ - -/** @defgroup HAL_Group1 Initialization and de-initialization Functions - * @brief Initialization and de-initialization functions - * -@verbatim - =============================================================================== - ##### Initialization and de-initialization functions ##### - =============================================================================== - [..] This section provides functions allowing to: - (+) Initializes the Flash interface the NVIC allocation and initial clock - configuration. It initializes the systick also when timeout is needed - and the backup domain when enabled. - (+) de-Initializes common part of the HAL - (+) Configure The time base source to have 1ms time base with a dedicated - Tick interrupt priority. - (++) Systick timer is used by default as source of time base, but user - can eventually implement his proper time base source (a general purpose - timer for example or other time source), keeping in mind that Time base - duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and - handled in milliseconds basis. - (++) Time base configuration function (HAL_InitTick ()) is called automatically - at the beginning of the program after reset by HAL_Init() or at any time - when clock is configured, by HAL_RCC_ClockConfig(). - (++) Source of time base is configured to generate interrupts at regular - time intervals. Care must be taken if HAL_Delay() is called from a - peripheral ISR process, the Tick interrupt line must have higher priority - (numerically lower) than the peripheral interrupt. Otherwise the caller - ISR process will be blocked. - (++) functions affecting time base configurations are declared as __weak - to make override possible in case of other implementations in user file. -@endverbatim - * @{ - */ - -/** - * @brief This function is used to initialize the HAL Library; it must be the first - * instruction to be executed in the main program (before to call any other - * HAL function), it performs the following: - * Configure the Flash prefetch, instruction and Data caches. - * Configures the SysTick to generate an interrupt each 1 millisecond, - * which is clocked by the HSI (at this stage, the clock is not yet - * configured and thus the system is running from the internal HSI at 16 MHz). - * Set NVIC Group Priority to 4. - * Calls the HAL_MspInit() callback function defined in user file - * "stm32f4xx_hal_msp.c" to do the global low level hardware initialization - * - * @note SysTick is used as time base for the HAL_Delay() function, the application - * need to ensure that the SysTick time base is always set to 1 millisecond - * to have correct HAL operation. - * @param None - * @retval HAL status - */ -HAL_StatusTypeDef HAL_Init(void) -{ - /* Configure Flash prefetch, Instruction cache, Data cache */ -#if (INSTRUCTION_CACHE_ENABLE != 0) - __HAL_FLASH_INSTRUCTION_CACHE_ENABLE(); -#endif /* INSTRUCTION_CACHE_ENABLE */ - -#if (DATA_CACHE_ENABLE != 0) - __HAL_FLASH_DATA_CACHE_ENABLE(); -#endif /* DATA_CACHE_ENABLE */ - -#if (PREFETCH_ENABLE != 0) - __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); -#endif /* PREFETCH_ENABLE */ - - /* Set Interrupt Group Priority */ - HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); - - /* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */ - HAL_InitTick(TICK_INT_PRIORITY); - - /* Init the low level hardware */ - HAL_MspInit(); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief This function de-Initializes common part of the HAL and stops the systick. - * This function is optional. - * @param None - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DeInit(void) -{ - /* Reset of all peripherals */ - __APB1_FORCE_RESET(); - __APB1_RELEASE_RESET(); - - __APB2_FORCE_RESET(); - __APB2_RELEASE_RESET(); - - __AHB1_FORCE_RESET(); - __AHB1_RELEASE_RESET(); - - __AHB2_FORCE_RESET(); - __AHB2_RELEASE_RESET(); - - __AHB3_FORCE_RESET(); - __AHB3_RELEASE_RESET(); - - /* De-Init the low level hardware */ - HAL_MspDeInit(); - - /* Return function status */ - return HAL_OK; -} - -/** - * @brief Initializes the MSP. - * @param None - * @retval None - */ -__weak void HAL_MspInit(void) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_MspInit could be implemented in the user file - */ -} - -/** - * @brief DeInitializes the MSP. - * @param None - * @retval None - */ -__weak void HAL_MspDeInit(void) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_MspDeInit could be implemented in the user file - */ -} - -/** - * @brief This function configures the source of the time base. - * The time source is configured to have 1ms time base with a dedicated - * Tick interrupt priority. - * @note This function is called automatically at the beginning of program after - * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). - * @note In the default implementation, SysTick timer is the source of time base. - * It is used to generate interrupts at regular time intervals. - * Care must be taken if HAL_Delay() is called from a peripheral ISR process, - * The the SysTick interrupt must have higher priority (numerically lower) - * than the peripheral interrupt. Otherwise the caller ISR process will be blocked. - * The function is declared as __weak to be overwritten in case of other - * implementation in user file. - * @param TickPriority: Tick interrupt priority. - * @retval HAL status - */ -__weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) -{ - /*Configure the SysTick to have interrupt in 1ms time basis*/ - HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); - - /*Configure the SysTick IRQ priority */ - HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority ,0); - - /* Return function status */ - return HAL_OK; -} - -/** - * @} - */ - -/** @defgroup HAL_Group2 HAL Control functions - * @brief HAL Control functions - * -@verbatim - =============================================================================== - ##### HAL Control functions ##### - =============================================================================== - [..] This section provides functions allowing to: - (+) Provide a tick value in millisecond - (+) Provide a blocking delay in millisecond - (+) Suspend the time base source interrupt - (+) Resume the time base source interrupt - (+) Get the HAL API driver version - (+) Get the device identifier - (+) Get the device revision identifier - (+) Enable/Disable Debug module during SLEEP mode - (+) Enable/Disable Debug module during STOP mode - (+) Enable/Disable Debug module during STANDBY mode - -@endverbatim - * @{ - */ - -/** - * @brief This function is called to increment a global variable "uwTick" - * used as application time base. - * @note In the default implementation, this variable is incremented each 1ms - * in Systick ISR. - * @note This function is declared as __weak to be overwritten in case of other - * implementations in user file. - * @param None - * @retval None - */ -__weak void HAL_IncTick(void) -{ - uwTick++; -} - -/** - * @brief Provides a tick value in millisecond. - * @note This function is declared as __weak to be overwritten in case of other - * implementations in user file. - * @param None - * @retval tick value - */ -__weak uint32_t HAL_GetTick(void) -{ - return uwTick; -} - -/** - * @brief This function provides accurate delay (in milliseconds) based - * on variable incremented. - * @note In the default implementation , SysTick timer is the source of time base. - * It is used to generate interrupts at regular time intervals where uwTick - * is incremented. - * @note ThiS function is declared as __weak to be overwritten in case of other - * implementations in user file. - * @param Delay: specifies the delay time length, in milliseconds. - * @retval None - */ -__weak void HAL_Delay(__IO uint32_t Delay) -{ - uint32_t tickstart = 0; - tickstart = HAL_GetTick(); - while((HAL_GetTick() - tickstart) < Delay) - { - } -} - -/** - * @brief Suspend Tick increment. - * @note In the default implementation , SysTick timer is the source of time base. It is - * used to generate interrupts at regular time intervals. Once HAL_SuspendTick() - * is called, the the SysTick interrupt will be disabled and so Tick increment - * is suspended. - * @note This function is declared as __weak to be overwritten in case of other - * implementations in user file. - * @param None - * @retval None - */ -__weak void HAL_SuspendTick(void) -{ - /* Disable SysTick Interrupt */ - SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk; -} - -/** - * @brief Resume Tick increment. - * @note In the default implementation , SysTick timer is the source of time base. It is - * used to generate interrupts at regular time intervals. Once HAL_ResumeTick() - * is called, the the SysTick interrupt will be enabled and so Tick increment - * is resumed. - * @note This function is declared as __weak to be overwritten in case of other - * implementations in user file. - * @param None - * @retval None - */ -__weak void HAL_ResumeTick(void) -{ - /* Enable SysTick Interrupt */ - SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk; -} - -/** - * @brief Returns the HAL revision - * @param None - * @retval version : 0xXYZR (8bits for each decimal, R for RC) - */ -uint32_t HAL_GetHalVersion(void) -{ - return __STM32F4xx_HAL_VERSION; -} - -/** - * @brief Returns the device revision identifier. - * @param None - * @retval Device revision identifier - */ -uint32_t HAL_GetREVID(void) -{ - return((DBGMCU->IDCODE) >> 16); -} - -/** - * @brief Returns the device identifier. - * @param None - * @retval Device identifier - */ -uint32_t HAL_GetDEVID(void) -{ - return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); -} - -/** - * @brief Enable the Debug Module during SLEEP mode - * @param None - * @retval None - */ -void HAL_EnableDBGSleepMode(void) -{ - SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); -} - -/** - * @brief Disable the Debug Module during SLEEP mode - * @param None - * @retval None - */ -void HAL_DisableDBGSleepMode(void) -{ - CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); -} - -/** - * @brief Enable the Debug Module during STOP mode - * @param None - * @retval None - */ -void HAL_EnableDBGStopMode(void) -{ - SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); -} - -/** - * @brief Disable the Debug Module during STOP mode - * @param None - * @retval None - */ -void HAL_DisableDBGStopMode(void) -{ - CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); -} - -/** - * @brief Enable the Debug Module during STANDBY mode - * @param None - * @retval None - */ -void HAL_EnableDBGStandbyMode(void) -{ - SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); -} - -/** - * @brief Disable the Debug Module during STANDBY mode - * @param None - * @retval None - */ -void HAL_DisableDBGStandbyMode(void) -{ - CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); -} - -/** - * @brief Enables the I/O Compensation Cell. - * @note The I/O compensation cell can be used only when the device supply - * voltage ranges from 2.4 to 3.6 V. - * @retval None - */ -void HAL_EnableCompensationCell(void) -{ - *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)ENABLE; -} - -/** - * @brief Power-down the I/O Compensation Cell. - * @note The I/O compensation cell can be used only when the device supply - * voltage ranges from 2.4 to 3.6 V. - * @retval None - */ -void HAL_DisableCompensationCell(void) -{ - *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)DISABLE; -} - -#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) -/** - * @brief Enables the Internal FLASH Bank Swapping. - * - * @note This function can be used only for STM32F42xxx/43xxx devices. - * - * @note Flash Bank2 mapped at 0x08000000 (and aliased @0x00000000) - * and Flash Bank1 mapped at 0x08100000 (and aliased at 0x00100000) - * - * @retval None - */ -void HAL_EnableMemorySwappingBank(void) -{ - *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)ENABLE; -} - -/** - * @brief Disables the Internal FLASH Bank Swapping. - * - * @note This function can be used only for STM32F42xxx/43xxx devices. - * - * @note The default state : Flash Bank1 mapped at 0x08000000 (and aliased @0x0000 0000) - * and Flash Bank2 mapped at 0x08100000 (and aliased at 0x00100000) - * - * @retval None - */ -void HAL_DisableMemorySwappingBank(void) -{ - - *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)DISABLE; -} -#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +/** + ****************************************************************************** + * @file stm32f4xx_hal.c + * @author MCD Application Team + * @version V1.3.2 + * @date 26-June-2015 + * @brief HAL module driver. + * This is the common part of the HAL initialization + * + @verbatim + ============================================================================== + ##### How to use this driver ##### + ============================================================================== + [..] + The common HAL driver contains a set of generic and common APIs that can be + used by the PPP peripheral drivers and the user to start using the HAL. + [..] + The HAL contains two APIs' categories: + (+) Common HAL APIs + (+) Services HAL APIs + + @endverbatim + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2015 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_hal.h" + +/** @addtogroup STM32F4xx_HAL_Driver + * @{ + */ + +/** @defgroup HAL HAL + * @brief HAL module driver. + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @addtogroup HAL_Private_Constants + * @{ + */ +/** + * @brief STM32F4xx HAL Driver version number V1.3.2 + */ +#define __STM32F4xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */ +#define __STM32F4xx_HAL_VERSION_SUB1 (0x03) /*!< [23:16] sub1 version */ +#define __STM32F4xx_HAL_VERSION_SUB2 (0x02) /*!< [15:8] sub2 version */ +#define __STM32F4xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */ +#define __STM32F4xx_HAL_VERSION ((__STM32F4xx_HAL_VERSION_MAIN << 24)\ + |(__STM32F4xx_HAL_VERSION_SUB1 << 16)\ + |(__STM32F4xx_HAL_VERSION_SUB2 << 8 )\ + |(__STM32F4xx_HAL_VERSION_RC)) + +#define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF) + +/* ------------ RCC registers bit address in the alias region ----------- */ +#define SYSCFG_OFFSET (SYSCFG_BASE - PERIPH_BASE) +/* --- MEMRMP Register ---*/ +/* Alias word address of UFB_MODE bit */ +#define MEMRMP_OFFSET SYSCFG_OFFSET +#define UFB_MODE_BIT_NUMBER POSITION_VAL(SYSCFG_MEMRMP_UFB_MODE) +#define UFB_MODE_BB (uint32_t)(PERIPH_BB_BASE + (MEMRMP_OFFSET * 32) + (UFB_MODE_BIT_NUMBER * 4)) + +/* --- CMPCR Register ---*/ +/* Alias word address of CMP_PD bit */ +#define CMPCR_OFFSET (SYSCFG_OFFSET + 0x20) +#define CMP_PD_BIT_NUMBER POSITION_VAL(SYSCFG_CMPCR_CMP_PD) +#define CMPCR_CMP_PD_BB (uint32_t)(PERIPH_BB_BASE + (CMPCR_OFFSET * 32) + (CMP_PD_BIT_NUMBER * 4)) +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/** @addtogroup HAL_Private_Variables + * @{ + */ +static __IO uint32_t uwTick; +/** + * @} + */ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup HAL_Exported_Functions HAL Exported Functions + * @{ + */ + +/** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions + * @brief Initialization and de-initialization functions + * +@verbatim + =============================================================================== + ##### Initialization and de-initialization functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Initializes the Flash interface the NVIC allocation and initial clock + configuration. It initializes the systick also when timeout is needed + and the backup domain when enabled. + (+) de-Initializes common part of the HAL + (+) Configure The time base source to have 1ms time base with a dedicated + Tick interrupt priority. + (++) Systick timer is used by default as source of time base, but user + can eventually implement his proper time base source (a general purpose + timer for example or other time source), keeping in mind that Time base + duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and + handled in milliseconds basis. + (++) Time base configuration function (HAL_InitTick ()) is called automatically + at the beginning of the program after reset by HAL_Init() or at any time + when clock is configured, by HAL_RCC_ClockConfig(). + (++) Source of time base is configured to generate interrupts at regular + time intervals. Care must be taken if HAL_Delay() is called from a + peripheral ISR process, the Tick interrupt line must have higher priority + (numerically lower) than the peripheral interrupt. Otherwise the caller + ISR process will be blocked. + (++) functions affecting time base configurations are declared as __weak + to make override possible in case of other implementations in user file. +@endverbatim + * @{ + */ + +/** + * @brief This function is used to initialize the HAL Library; it must be the first + * instruction to be executed in the main program (before to call any other + * HAL function), it performs the following: + * Configure the Flash prefetch, instruction and Data caches. + * Configures the SysTick to generate an interrupt each 1 millisecond, + * which is clocked by the HSI (at this stage, the clock is not yet + * configured and thus the system is running from the internal HSI at 16 MHz). + * Set NVIC Group Priority to 4. + * Calls the HAL_MspInit() callback function defined in user file + * "stm32f4xx_hal_msp.c" to do the global low level hardware initialization + * + * @note SysTick is used as time base for the HAL_Delay() function, the application + * need to ensure that the SysTick time base is always set to 1 millisecond + * to have correct HAL operation. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_Init(void) +{ + /* Configure Flash prefetch, Instruction cache, Data cache */ +#if (INSTRUCTION_CACHE_ENABLE != 0) + __HAL_FLASH_INSTRUCTION_CACHE_ENABLE(); +#endif /* INSTRUCTION_CACHE_ENABLE */ + +#if (DATA_CACHE_ENABLE != 0) + __HAL_FLASH_DATA_CACHE_ENABLE(); +#endif /* DATA_CACHE_ENABLE */ + +#if (PREFETCH_ENABLE != 0) + __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); +#endif /* PREFETCH_ENABLE */ + + /* Set Interrupt Group Priority */ + HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); + + /* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */ + HAL_InitTick(TICK_INT_PRIORITY); + + /* Init the low level hardware */ + HAL_MspInit(); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief This function de-Initializes common part of the HAL and stops the systick. + * This function is optional. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_DeInit(void) +{ + /* Reset of all peripherals */ + __HAL_RCC_APB1_FORCE_RESET(); + __HAL_RCC_APB1_RELEASE_RESET(); + + __HAL_RCC_APB2_FORCE_RESET(); + __HAL_RCC_APB2_RELEASE_RESET(); + + __HAL_RCC_AHB1_FORCE_RESET(); + __HAL_RCC_AHB1_RELEASE_RESET(); + + __HAL_RCC_AHB2_FORCE_RESET(); + __HAL_RCC_AHB2_RELEASE_RESET(); + + __HAL_RCC_AHB3_FORCE_RESET(); + __HAL_RCC_AHB3_RELEASE_RESET(); + + /* De-Init the low level hardware */ + HAL_MspDeInit(); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the MSP. + * @retval None + */ +__weak void HAL_MspInit(void) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_MspInit could be implemented in the user file + */ +} + +/** + * @brief DeInitializes the MSP. + * @retval None + */ +__weak void HAL_MspDeInit(void) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_MspDeInit could be implemented in the user file + */ +} + +/** + * @brief This function configures the source of the time base. + * The time source is configured to have 1ms time base with a dedicated + * Tick interrupt priority. + * @note This function is called automatically at the beginning of program after + * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). + * @note In the default implementation, SysTick timer is the source of time base. + * It is used to generate interrupts at regular time intervals. + * Care must be taken if HAL_Delay() is called from a peripheral ISR process, + * The the SysTick interrupt must have higher priority (numerically lower) + * than the peripheral interrupt. Otherwise the caller ISR process will be blocked. + * The function is declared as __weak to be overwritten in case of other + * implementation in user file. + * @param TickPriority: Tick interrupt priority. + * @retval HAL status + */ +__weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) +{ + /*Configure the SysTick to have interrupt in 1ms time basis*/ + HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); + + /*Configure the SysTick IRQ priority */ + HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority ,0); + + /* Return function status */ + return HAL_OK; +} + +/** + * @} + */ + +/** @defgroup HAL_Exported_Functions_Group2 HAL Control functions + * @brief HAL Control functions + * +@verbatim + =============================================================================== + ##### HAL Control functions ##### + =============================================================================== + [..] This section provides functions allowing to: + (+) Provide a tick value in millisecond + (+) Provide a blocking delay in millisecond + (+) Suspend the time base source interrupt + (+) Resume the time base source interrupt + (+) Get the HAL API driver version + (+) Get the device identifier + (+) Get the device revision identifier + (+) Enable/Disable Debug module during SLEEP mode + (+) Enable/Disable Debug module during STOP mode + (+) Enable/Disable Debug module during STANDBY mode + +@endverbatim + * @{ + */ + +/** + * @brief This function is called to increment a global variable "uwTick" + * used as application time base. + * @note In the default implementation, this variable is incremented each 1ms + * in Systick ISR. + * @note This function is declared as __weak to be overwritten in case of other + * implementations in user file. + * @retval None + */ +__weak void HAL_IncTick(void) +{ + uwTick++; +} + +/** + * @brief Provides a tick value in millisecond. + * @note This function is declared as __weak to be overwritten in case of other + * implementations in user file. + * @retval tick value + */ +__weak uint32_t HAL_GetTick(void) +{ + return uwTick; +} + +/** + * @brief This function provides accurate delay (in milliseconds) based + * on variable incremented. + * @note In the default implementation , SysTick timer is the source of time base. + * It is used to generate interrupts at regular time intervals where uwTick + * is incremented. + * @note This function is declared as __weak to be overwritten in case of other + * implementations in user file. + * @param Delay: specifies the delay time length, in milliseconds. + * @retval None + */ +__weak void HAL_Delay(__IO uint32_t Delay) +{ + uint32_t tickstart = 0; + tickstart = HAL_GetTick(); + while((HAL_GetTick() - tickstart) < Delay) + { + } +} + +/** + * @brief Suspend Tick increment. + * @note In the default implementation , SysTick timer is the source of time base. It is + * used to generate interrupts at regular time intervals. Once HAL_SuspendTick() + * is called, the SysTick interrupt will be disabled and so Tick increment + * is suspended. + * @note This function is declared as __weak to be overwritten in case of other + * implementations in user file. + * @retval None + */ +__weak void HAL_SuspendTick(void) +{ + /* Disable SysTick Interrupt */ + SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk; +} + +/** + * @brief Resume Tick increment. + * @note In the default implementation , SysTick timer is the source of time base. It is + * used to generate interrupts at regular time intervals. Once HAL_ResumeTick() + * is called, the SysTick interrupt will be enabled and so Tick increment + * is resumed. + * @note This function is declared as __weak to be overwritten in case of other + * implementations in user file. + * @retval None + */ +__weak void HAL_ResumeTick(void) +{ + /* Enable SysTick Interrupt */ + SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk; +} + +/** + * @brief Returns the HAL revision + * @retval version : 0xXYZR (8bits for each decimal, R for RC) + */ +uint32_t HAL_GetHalVersion(void) +{ + return __STM32F4xx_HAL_VERSION; +} + +/** + * @brief Returns the device revision identifier. + * @retval Device revision identifier + */ +uint32_t HAL_GetREVID(void) +{ + return((DBGMCU->IDCODE) >> 16); +} + +/** + * @brief Returns the device identifier. + * @retval Device identifier + */ +uint32_t HAL_GetDEVID(void) +{ + return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); +} + +/** + * @brief Enable the Debug Module during SLEEP mode + * @retval None + */ +void HAL_DBGMCU_EnableDBGSleepMode(void) +{ + SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); +} + +/** + * @brief Disable the Debug Module during SLEEP mode + * @retval None + */ +void HAL_DBGMCU_DisableDBGSleepMode(void) +{ + CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); +} + +/** + * @brief Enable the Debug Module during STOP mode + * @retval None + */ +void HAL_DBGMCU_EnableDBGStopMode(void) +{ + SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); +} + +/** + * @brief Disable the Debug Module during STOP mode + * @retval None + */ +void HAL_DBGMCU_DisableDBGStopMode(void) +{ + CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); +} + +/** + * @brief Enable the Debug Module during STANDBY mode + * @retval None + */ +void HAL_DBGMCU_EnableDBGStandbyMode(void) +{ + SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); +} + +/** + * @brief Disable the Debug Module during STANDBY mode + * @retval None + */ +void HAL_DBGMCU_DisableDBGStandbyMode(void) +{ + CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); +} + +/** + * @brief Enables the I/O Compensation Cell. + * @note The I/O compensation cell can be used only when the device supply + * voltage ranges from 2.4 to 3.6 V. + * @retval None + */ +void HAL_EnableCompensationCell(void) +{ + *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)ENABLE; +} + +/** + * @brief Power-down the I/O Compensation Cell. + * @note The I/O compensation cell can be used only when the device supply + * voltage ranges from 2.4 to 3.6 V. + * @retval None + */ +void HAL_DisableCompensationCell(void) +{ + *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)DISABLE; +} + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) +/** + * @brief Enables the Internal FLASH Bank Swapping. + * + * @note This function can be used only for STM32F42xxx/43xxx devices. + * + * @note Flash Bank2 mapped at 0x08000000 (and aliased @0x00000000) + * and Flash Bank1 mapped at 0x08100000 (and aliased at 0x00100000) + * + * @retval None + */ +void HAL_EnableMemorySwappingBank(void) +{ + *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)ENABLE; +} + +/** + * @brief Disables the Internal FLASH Bank Swapping. + * + * @note This function can be used only for STM32F42xxx/43xxx devices. + * + * @note The default state : Flash Bank1 mapped at 0x08000000 (and aliased @0x0000 0000) + * and Flash Bank2 mapped at 0x08100000 (and aliased at 0x00100000) + * + * @retval None + */ +void HAL_DisableMemorySwappingBank(void) +{ + + *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)DISABLE; +} +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3