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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_cortex.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_cortex.c | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_cortex.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_cortex.c new file mode 100644 index 0000000000..26af9a410a --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_cortex.c @@ -0,0 +1,342 @@ +/** + ****************************************************************************** + * @file stm32f0xx_hal_cortex.c + * @author MCD Application Team + * @version V1.2.0 + * @date 11-December-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 provides functions allowing to configure the NVIC interrupts (IRQ). + The Cortex-M0 exceptions are managed by CMSIS functions. + (#) Enable and Configure the priority of the selected IRQ Channels. + The priority can be 0..3. + + -@- Lower priority values gives higher priority. + -@- Priority Order: + (#@) Lowest priority. + (#@) Lowest hardware priority (IRQn position). + + (#) Configure the priority of the selected IRQ Channels using HAL_NVIC_SetPriority() + + (#) Enable the selected IRQ Channels using HAL_NVIC_EnableIRQ() + + + [..] + *** How to configure Systick using CORTEX HAL driver *** + ======================================================== + [..] + Setup SysTick Timer for time base + + (+) 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 (0x03). + (++) 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 stm32f0xx_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 "stm32f0xx_hal.h" + +/** @addtogroup STM32F0xx_HAL_Driver + * @{ + */ + +/** @defgroup CORTEX CORTEX HAL module driver + * @brief CORTEX CORTEX HAL module driver + * @{ + */ + +#ifdef HAL_CORTEX_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Exported 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 provides the CORTEX HAL driver functions allowing to configure Interrupts + Systick functionalities + +@endverbatim + * @{ + */ + +/** + * @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 stm32l0xx.h file) + * @param PreemptPriority: The pre-emption priority for the IRQn channel. + * This parameter can be a value between 0 and 3. + * A lower priority value indicates a higher priority + * @param SubPriority: The subpriority level for the IRQ channel. + * with stm32f0xx devices, this parameter is a dummy value and it is ignored, because + * no subpriority supported in Cortex M0 based products. + * @retval None + */ +void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority) +{ + /* Check the parameters */ + assert_param(IS_NVIC_PREEMPTION_PRIORITY(PreemptPriority)); + NVIC_SetPriority(IRQn,PreemptPriority); +} + +/** + * @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 (stm32f0xxxx.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 (stm32f0xxxx.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 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 (stm32f0xxxx.h)) + * @retval None + */ +uint32_t HAL_NVIC_GetPriority(IRQn_Type IRQn) +{ + /* Get priority for Cortex-M system or device specific interrupts */ + return NVIC_GetPriority(IRQn); +} + +/** + * @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 (stm32f0xxxx.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 (stm32f0xxxx.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 (stm32f0xxxx.h)) + * @retval None + */ +void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn) +{ + /* Clear pending interrupt */ + NVIC_ClearPendingIRQ(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****/ |