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Diff: targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_hal_cortex.c
- Revision:
- 394:83f921546702
- Parent:
- 393:17d2d502961d
- Child:
- 395:bfce16e86ea4
--- a/targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_hal_cortex.c Fri Nov 07 12:00:11 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,441 +0,0 @@
-/**
- ******************************************************************************
- * @file stm32l1xx_hal_cortex.c
- * @author MCD Application Team
- * @version V1.0.0
- * @date 5-September-2014
- * @brief CORTEX HAL module driver.
- *
- * This file provides firmware functions to manage the following
- * functionalities of the CORTEX:
- * + Initialization and de-initialization functions
- * + Peripheral Control functions
- *
- * @verbatim
- ==============================================================================
- ##### How to use this driver #####
- ==============================================================================
-
- [..]
- *** How to configure Interrupts using Cortex HAL driver ***
- ===========================================================
- [..]
- This section provide functions allowing to configure the NVIC interrupts (IRQ).
- The Cortex-M3 exceptions are managed by CMSIS functions.
-
- (#) Configure the NVIC Priority Grouping using HAL_NVIC_SetPriorityGrouping()
- function according to the following table.
-
- The table below gives the allowed values of the pre-emption priority and subpriority according
- to the Priority Grouping configuration performed by HAL_NVIC_SetPriorityGrouping() function.
- ==========================================================================================================================
- NVIC_PriorityGroup | NVIC_IRQChannelPreemptionPriority | NVIC_IRQChannelSubPriority | Description
- ==========================================================================================================================
- NVIC_PRIORITYGROUP_0 | 0 | 0-15 | 0 bits for pre-emption priority
- | | | 4 bits for subpriority
- --------------------------------------------------------------------------------------------------------------------------
- NVIC_PRIORITYGROUP_1 | 0-1 | 0-7 | 1 bits for pre-emption priority
- | | | 3 bits for subpriority
- --------------------------------------------------------------------------------------------------------------------------
- NVIC_PRIORITYGROUP_2 | 0-3 | 0-3 | 2 bits for pre-emption priority
- | | | 2 bits for subpriority
- --------------------------------------------------------------------------------------------------------------------------
- NVIC_PRIORITYGROUP_3 | 0-7 | 0-1 | 3 bits for pre-emption priority
- | | | 1 bits for subpriority
- --------------------------------------------------------------------------------------------------------------------------
- NVIC_PRIORITYGROUP_4 | 0-15 | 0 | 4 bits for pre-emption priority
- | | | 0 bits for subpriority
- ==========================================================================================================================
- (#) Configure the priority of the selected IRQ Channels using HAL_NVIC_SetPriority()
-
- (#) Enable the selected IRQ Channels using HAL_NVIC_EnableIRQ()
-
-
- -@- When the NVIC_PRIORITYGROUP_0 is selected, IRQ pre-emption is no more possible.
- The pending IRQ priority will be managed only by the sub priority.
-
- -@- IRQ priority order (sorted by highest to lowest priority):
- (+@) Lowest pre-emption priority
- (+@) Lowest sub priority
- (+@) Lowest hardware priority (IRQ number)
-
- [..]
- *** How to configure Systick using Cortex HAL driver ***
- ========================================================
- [..]
- Setup SysTick Timer for 1 msec interrupts.
-
- (+) The HAL_SYSTICK_Config()function calls the SysTick_Config() function which
- is a CMSIS function that:
- (++) Configures the SysTick Reload register with value passed as function parameter.
- (++) Configures the SysTick IRQ priority to the lowest value (0x0F).
- (++) Resets the SysTick Counter register.
- (++) Configures the SysTick Counter clock source to be Core Clock Source (HCLK).
- (++) Enables the SysTick Interrupt.
- (++) Starts the SysTick Counter.
-
- (+) You can change the SysTick Clock source to be HCLK_Div8 by calling the macro
- __HAL_CORTEX_SYSTICKCLK_CONFIG(SYSTICK_CLKSOURCE_HCLK_DIV8) just after the
- HAL_SYSTICK_Config() function call. The __HAL_CORTEX_SYSTICKCLK_CONFIG() macro is defined
- inside the stm32l1xx_hal_cortex.h file.
-
- (+) You can change the SysTick IRQ priority by calling the
- HAL_NVIC_SetPriority(SysTick_IRQn,...) function just after the HAL_SYSTICK_Config() function
- call. The HAL_NVIC_SetPriority() call the NVIC_SetPriority() function which is a CMSIS function.
-
- (+) To adjust the SysTick time base, use the following formula:
-
- Reload Value = SysTick Counter Clock (Hz) x Desired Time base (s)
- (++) Reload Value is the parameter to be passed for HAL_SYSTICK_Config() function
- (++) Reload Value should not exceed 0xFFFFFF
-
- @endverbatim
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT(c) 2014 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 "stm32l1xx_hal.h"
-
-/** @addtogroup STM32L1xx_HAL_Driver
- * @{
- */
-
-/** @defgroup CORTEX CORTEX
- * @brief CORTEX HAL module driver
- * @{
- */
-
-#ifdef HAL_CORTEX_MODULE_ENABLED
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
-/** @defgroup CORTEX_Exported_Functions CORTEX Exported Functions
- * @{
- */
-
-
-/** @defgroup CORTEX_Exported_Functions_Group1 Initialization and de-initialization functions
- * @brief Initialization and Configuration functions
- *
-@verbatim
- ==============================================================================
- ##### Initialization and de-initialization functions #####
- ==============================================================================
- [..]
- This section provide the Cortex HAL driver functions allowing to configure Interrupts
- Systick functionalities
-
-@endverbatim
- * @{
- */
-
-
-/**
- * @brief Sets the priority grouping field (pre-emption priority and subpriority)
- * using the required unlock sequence.
- * @param PriorityGroup: The priority grouping bits length.
- * This parameter can be one of the following values:
- * @arg NVIC_PRIORITYGROUP_0: 0 bits for pre-emption priority
- * 4 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_1: 1 bits for pre-emption priority
- * 3 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_2: 2 bits for pre-emption priority
- * 2 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_3: 3 bits for pre-emption priority
- * 1 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_4: 4 bits for pre-emption priority
- * 0 bits for subpriority
- * @note When the NVIC_PriorityGroup_0 is selected, IRQ pre-emption is no more possible.
- * The pending IRQ priority will be managed only by the subpriority.
- * @retval None
- */
-void HAL_NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
-{
- /* Check the parameters */
- assert_param(IS_NVIC_PRIORITY_GROUP(PriorityGroup));
-
- /* Set the PRIGROUP[10:8] bits according to the PriorityGroup parameter value */
- NVIC_SetPriorityGrouping(PriorityGroup);
-}
-
-/**
- * @brief Sets the priority of an interrupt.
- * @param IRQn: External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xx.h))
- * @param PreemptPriority: The pre-emption priority for the IRQn channel.
- * This parameter can be a value between 0 and 15
- * A lower priority value indicates a higher priority
- * @param SubPriority: the subpriority level for the IRQ channel.
- * This parameter can be a value between 0 and 15
- * A lower priority value indicates a higher priority.
- * @retval None
- */
-void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority)
-{
- uint32_t prioritygroup = 0x00;
-
- /* Check the parameters */
- assert_param(IS_NVIC_SUB_PRIORITY(SubPriority));
- assert_param(IS_NVIC_PREEMPTION_PRIORITY(PreemptPriority));
-
- prioritygroup = NVIC_GetPriorityGrouping();
-
- NVIC_SetPriority(IRQn, NVIC_EncodePriority(prioritygroup, PreemptPriority, SubPriority));
-}
-
-/**
- * @brief Enables a device specific interrupt in the NVIC interrupt controller.
- * @note To configure interrupts priority correctly, the NVIC_PriorityGroupConfig()
- * function should be called before.
- * @param IRQn External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xx.h))
- * @retval None
- */
-void HAL_NVIC_EnableIRQ(IRQn_Type IRQn)
-{
- /* Enable interrupt */
- NVIC_EnableIRQ(IRQn);
-}
-
-/**
- * @brief Disables a device specific interrupt in the NVIC interrupt controller.
- * @param IRQn External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h))
- * @retval None
- */
-void HAL_NVIC_DisableIRQ(IRQn_Type IRQn)
-{
- /* Disable interrupt */
- NVIC_DisableIRQ(IRQn);
-}
-
-/**
- * @brief Initiates a system reset request to reset the MCU.
- * @retval None
- */
-void HAL_NVIC_SystemReset(void)
-{
- /* System Reset */
- NVIC_SystemReset();
-}
-
-/**
- * @brief Initializes the System Timer and its interrupt, and starts the System Tick Timer.
- * Counter is in free running mode to generate periodic interrupts.
- * @param TicksNumb: Specifies the ticks Number of ticks between two interrupts.
- * @retval status: - 0 Function succeeded.
- * - 1 Function failed.
- */
-uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb)
-{
- return SysTick_Config(TicksNumb);
-}
-/**
- * @}
- */
-
-/** @defgroup CORTEX_Exported_Functions_Group2 Peripheral Control functions
- * @brief Cortex control functions
- *
-@verbatim
- ==============================================================================
- ##### Peripheral Control functions #####
- ==============================================================================
- [..]
- This subsection provides a set of functions allowing to control the CORTEX
- (NVIC, SYSTICK) functionalities.
-
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Gets the priority grouping field from the NVIC Interrupt Controller.
- * @retval Priority grouping field (SCB->AIRCR [10:8] PRIGROUP field)
- */
-uint32_t HAL_NVIC_GetPriorityGrouping(void)
-{
- /* Get the PRIGROUP[10:8] field value */
- return NVIC_GetPriorityGrouping();
-}
-
-/**
- * @brief Gets the priority of an interrupt.
- * @param IRQn: External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h))
- * @param PriorityGroup: the priority grouping bits length.
- * This parameter can be one of the following values:
- * @arg NVIC_PRIORITYGROUP_0: 0 bits for pre-emption priority
- * 4 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_1: 1 bits for pre-emption priority
- * 3 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_2: 2 bits for pre-emption priority
- * 2 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_3: 3 bits for pre-emption priority
- * 1 bits for subpriority
- * @arg NVIC_PRIORITYGROUP_4: 4 bits for pre-emption priority
- * 0 bits for subpriority
- * @param pPreemptPriority: Pointer on the Preemptive priority value (starting from 0).
- * @param pSubPriority: Pointer on the Subpriority value (starting from 0).
- * @retval None
- */
-void HAL_NVIC_GetPriority(IRQn_Type IRQn, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority)
-{
- /* Check the parameters */
- assert_param(IS_NVIC_PRIORITY_GROUP(PriorityGroup));
- /* Get priority for Cortex-M system or device specific interrupts */
- NVIC_DecodePriority(NVIC_GetPriority(IRQn), PriorityGroup, pPreemptPriority, pSubPriority);
-}
-
-/**
- * @brief Sets Pending bit of an external interrupt.
- * @param IRQn External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h))
- * @retval None
- */
-void HAL_NVIC_SetPendingIRQ(IRQn_Type IRQn)
-{
- /* Set interrupt pending */
- NVIC_SetPendingIRQ(IRQn);
-}
-
-/**
- * @brief Gets Pending Interrupt (reads the pending register in the NVIC
- * and returns the pending bit for the specified interrupt).
- * @param IRQn External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h))
- * @retval status: - 0 Interrupt status is not pending.
- * - 1 Interrupt status is pending.
- */
-uint32_t HAL_NVIC_GetPendingIRQ(IRQn_Type IRQn)
-{
- /* Return 1 if pending else 0 */
- return NVIC_GetPendingIRQ(IRQn);
-}
-
-/**
- * @brief Clears the pending bit of an external interrupt.
- * @param IRQn External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h))
- * @retval None
- */
-void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn)
-{
- /* Clear pending interrupt */
- NVIC_ClearPendingIRQ(IRQn);
-}
-
-/**
- * @brief Gets active interrupt ( reads the active register in NVIC and returns the active bit).
- * @param IRQn External interrupt number
- * This parameter can be an enumerator of IRQn_Type enumeration
- * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h))
- * @retval status: - 0 Interrupt status is not pending.
- * - 1 Interrupt status is pending.
- */
-uint32_t HAL_NVIC_GetActive(IRQn_Type IRQn)
-{
- /* Return 1 if active else 0 */
- return NVIC_GetActive(IRQn);
-}
-
-/**
- * @brief Configures the SysTick clock source.
- * @param CLKSource: specifies the SysTick clock source.
- * This parameter can be one of the following values:
- * @arg SYSTICK_CLKSOURCE_HCLK_DIV8: AHB clock divided by 8 selected as SysTick clock source.
- * @arg SYSTICK_CLKSOURCE_HCLK: AHB clock selected as SysTick clock source.
- * @retval None
- */
-void HAL_SYSTICK_CLKSourceConfig(uint32_t CLKSource)
-{
- /* Check the parameters */
- assert_param(IS_SYSTICK_CLK_SOURCE(CLKSource));
- if (CLKSource == SYSTICK_CLKSOURCE_HCLK)
- {
- SysTick->CTRL |= SYSTICK_CLKSOURCE_HCLK;
- }
- else
- {
- SysTick->CTRL &= ~SYSTICK_CLKSOURCE_HCLK;
- }
-}
-
-/**
- * @brief This function handles SYSTICK interrupt request.
- * @retval None
- */
-void HAL_SYSTICK_IRQHandler(void)
-{
- HAL_SYSTICK_Callback();
-}
-
-/**
- * @brief SYSTICK callback.
- * @retval None
- */
-__weak void HAL_SYSTICK_Callback(void)
-{
- /* NOTE : This function Should not be modified, when the callback is needed,
- the HAL_SYSTICK_Callback could be implemented in the user file
- */
-}
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-#endif /* HAL_CORTEX_MODULE_ENABLED */
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
