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targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_cortex.c@394:83f921546702, 2014-11-07 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Nov 07 15:45:07 2014 +0000
- Revision:
- 394:83f921546702
- Parent:
- targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_hal_cortex.c@354:e67efb2aab0e
Synchronized with git revision aab52cb7ec5a665869e507dd988bbfd55b7e087e
Full URL: https://github.com/mbedmicro/mbed/commit/aab52cb7ec5a665869e507dd988bbfd55b7e087e/
Tests: Fix cpputest testrunner
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 354:e67efb2aab0e | 1 | /** |
mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_cortex.c |
mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
mbed_official | 354:e67efb2aab0e | 7 | * @brief CORTEX HAL module driver. |
mbed_official | 354:e67efb2aab0e | 8 | * |
mbed_official | 354:e67efb2aab0e | 9 | * This file provides firmware functions to manage the following |
mbed_official | 354:e67efb2aab0e | 10 | * functionalities of the CORTEX: |
mbed_official | 354:e67efb2aab0e | 11 | * + Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 12 | * + Peripheral Control functions |
mbed_official | 354:e67efb2aab0e | 13 | * |
mbed_official | 354:e67efb2aab0e | 14 | * @verbatim |
mbed_official | 354:e67efb2aab0e | 15 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 16 | ##### How to use this driver ##### |
mbed_official | 354:e67efb2aab0e | 17 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 18 | |
mbed_official | 354:e67efb2aab0e | 19 | [..] |
mbed_official | 354:e67efb2aab0e | 20 | *** How to configure Interrupts using Cortex HAL driver *** |
mbed_official | 354:e67efb2aab0e | 21 | =========================================================== |
mbed_official | 354:e67efb2aab0e | 22 | [..] |
mbed_official | 354:e67efb2aab0e | 23 | This section provide functions allowing to configure the NVIC interrupts (IRQ). |
mbed_official | 354:e67efb2aab0e | 24 | The Cortex-M3 exceptions are managed by CMSIS functions. |
mbed_official | 354:e67efb2aab0e | 25 | |
mbed_official | 354:e67efb2aab0e | 26 | (#) Configure the NVIC Priority Grouping using HAL_NVIC_SetPriorityGrouping() |
mbed_official | 354:e67efb2aab0e | 27 | function according to the following table. |
mbed_official | 354:e67efb2aab0e | 28 | |
mbed_official | 354:e67efb2aab0e | 29 | The table below gives the allowed values of the pre-emption priority and subpriority according |
mbed_official | 354:e67efb2aab0e | 30 | to the Priority Grouping configuration performed by HAL_NVIC_SetPriorityGrouping() function. |
mbed_official | 354:e67efb2aab0e | 31 | ========================================================================================================================== |
mbed_official | 354:e67efb2aab0e | 32 | NVIC_PriorityGroup | NVIC_IRQChannelPreemptionPriority | NVIC_IRQChannelSubPriority | Description |
mbed_official | 354:e67efb2aab0e | 33 | ========================================================================================================================== |
mbed_official | 354:e67efb2aab0e | 34 | NVIC_PRIORITYGROUP_0 | 0 | 0-15 | 0 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 35 | | | | 4 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 36 | -------------------------------------------------------------------------------------------------------------------------- |
mbed_official | 354:e67efb2aab0e | 37 | NVIC_PRIORITYGROUP_1 | 0-1 | 0-7 | 1 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 38 | | | | 3 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 39 | -------------------------------------------------------------------------------------------------------------------------- |
mbed_official | 354:e67efb2aab0e | 40 | NVIC_PRIORITYGROUP_2 | 0-3 | 0-3 | 2 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 41 | | | | 2 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 42 | -------------------------------------------------------------------------------------------------------------------------- |
mbed_official | 354:e67efb2aab0e | 43 | NVIC_PRIORITYGROUP_3 | 0-7 | 0-1 | 3 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 44 | | | | 1 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 45 | -------------------------------------------------------------------------------------------------------------------------- |
mbed_official | 354:e67efb2aab0e | 46 | NVIC_PRIORITYGROUP_4 | 0-15 | 0 | 4 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 47 | | | | 0 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 48 | ========================================================================================================================== |
mbed_official | 354:e67efb2aab0e | 49 | (#) Configure the priority of the selected IRQ Channels using HAL_NVIC_SetPriority() |
mbed_official | 354:e67efb2aab0e | 50 | |
mbed_official | 354:e67efb2aab0e | 51 | (#) Enable the selected IRQ Channels using HAL_NVIC_EnableIRQ() |
mbed_official | 354:e67efb2aab0e | 52 | |
mbed_official | 354:e67efb2aab0e | 53 | |
mbed_official | 354:e67efb2aab0e | 54 | -@- When the NVIC_PRIORITYGROUP_0 is selected, IRQ pre-emption is no more possible. |
mbed_official | 354:e67efb2aab0e | 55 | The pending IRQ priority will be managed only by the sub priority. |
mbed_official | 354:e67efb2aab0e | 56 | |
mbed_official | 354:e67efb2aab0e | 57 | -@- IRQ priority order (sorted by highest to lowest priority): |
mbed_official | 354:e67efb2aab0e | 58 | (+@) Lowest pre-emption priority |
mbed_official | 354:e67efb2aab0e | 59 | (+@) Lowest sub priority |
mbed_official | 354:e67efb2aab0e | 60 | (+@) Lowest hardware priority (IRQ number) |
mbed_official | 354:e67efb2aab0e | 61 | |
mbed_official | 354:e67efb2aab0e | 62 | [..] |
mbed_official | 354:e67efb2aab0e | 63 | *** How to configure Systick using Cortex HAL driver *** |
mbed_official | 354:e67efb2aab0e | 64 | ======================================================== |
mbed_official | 354:e67efb2aab0e | 65 | [..] |
mbed_official | 354:e67efb2aab0e | 66 | Setup SysTick Timer for 1 msec interrupts. |
mbed_official | 354:e67efb2aab0e | 67 | |
mbed_official | 354:e67efb2aab0e | 68 | (+) The HAL_SYSTICK_Config()function calls the SysTick_Config() function which |
mbed_official | 354:e67efb2aab0e | 69 | is a CMSIS function that: |
mbed_official | 354:e67efb2aab0e | 70 | (++) Configures the SysTick Reload register with value passed as function parameter. |
mbed_official | 354:e67efb2aab0e | 71 | (++) Configures the SysTick IRQ priority to the lowest value (0x0F). |
mbed_official | 354:e67efb2aab0e | 72 | (++) Resets the SysTick Counter register. |
mbed_official | 354:e67efb2aab0e | 73 | (++) Configures the SysTick Counter clock source to be Core Clock Source (HCLK). |
mbed_official | 354:e67efb2aab0e | 74 | (++) Enables the SysTick Interrupt. |
mbed_official | 354:e67efb2aab0e | 75 | (++) Starts the SysTick Counter. |
mbed_official | 354:e67efb2aab0e | 76 | |
mbed_official | 354:e67efb2aab0e | 77 | (+) You can change the SysTick Clock source to be HCLK_Div8 by calling the macro |
mbed_official | 354:e67efb2aab0e | 78 | __HAL_CORTEX_SYSTICKCLK_CONFIG(SYSTICK_CLKSOURCE_HCLK_DIV8) just after the |
mbed_official | 354:e67efb2aab0e | 79 | HAL_SYSTICK_Config() function call. The __HAL_CORTEX_SYSTICKCLK_CONFIG() macro is defined |
mbed_official | 354:e67efb2aab0e | 80 | inside the stm32l1xx_hal_cortex.h file. |
mbed_official | 354:e67efb2aab0e | 81 | |
mbed_official | 354:e67efb2aab0e | 82 | (+) You can change the SysTick IRQ priority by calling the |
mbed_official | 354:e67efb2aab0e | 83 | HAL_NVIC_SetPriority(SysTick_IRQn,...) function just after the HAL_SYSTICK_Config() function |
mbed_official | 354:e67efb2aab0e | 84 | call. The HAL_NVIC_SetPriority() call the NVIC_SetPriority() function which is a CMSIS function. |
mbed_official | 354:e67efb2aab0e | 85 | |
mbed_official | 354:e67efb2aab0e | 86 | (+) To adjust the SysTick time base, use the following formula: |
mbed_official | 354:e67efb2aab0e | 87 | |
mbed_official | 354:e67efb2aab0e | 88 | Reload Value = SysTick Counter Clock (Hz) x Desired Time base (s) |
mbed_official | 354:e67efb2aab0e | 89 | (++) Reload Value is the parameter to be passed for HAL_SYSTICK_Config() function |
mbed_official | 354:e67efb2aab0e | 90 | (++) Reload Value should not exceed 0xFFFFFF |
mbed_official | 354:e67efb2aab0e | 91 | |
mbed_official | 354:e67efb2aab0e | 92 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 93 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 94 | * @attention |
mbed_official | 354:e67efb2aab0e | 95 | * |
mbed_official | 354:e67efb2aab0e | 96 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 354:e67efb2aab0e | 97 | * |
mbed_official | 354:e67efb2aab0e | 98 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 354:e67efb2aab0e | 99 | * are permitted provided that the following conditions are met: |
mbed_official | 354:e67efb2aab0e | 100 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 101 | * this list of conditions and the following disclaimer. |
mbed_official | 354:e67efb2aab0e | 102 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 103 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 354:e67efb2aab0e | 104 | * and/or other materials provided with the distribution. |
mbed_official | 354:e67efb2aab0e | 105 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 354:e67efb2aab0e | 106 | * may be used to endorse or promote products derived from this software |
mbed_official | 354:e67efb2aab0e | 107 | * without specific prior written permission. |
mbed_official | 354:e67efb2aab0e | 108 | * |
mbed_official | 354:e67efb2aab0e | 109 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 354:e67efb2aab0e | 110 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 354:e67efb2aab0e | 111 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 354:e67efb2aab0e | 112 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 354:e67efb2aab0e | 113 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 354:e67efb2aab0e | 114 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 354:e67efb2aab0e | 115 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 354:e67efb2aab0e | 116 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 354:e67efb2aab0e | 117 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 354:e67efb2aab0e | 118 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 354:e67efb2aab0e | 119 | * |
mbed_official | 354:e67efb2aab0e | 120 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 121 | */ |
mbed_official | 354:e67efb2aab0e | 122 | |
mbed_official | 354:e67efb2aab0e | 123 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 124 | #include "stm32l1xx_hal.h" |
mbed_official | 354:e67efb2aab0e | 125 | |
mbed_official | 354:e67efb2aab0e | 126 | /** @addtogroup STM32L1xx_HAL_Driver |
mbed_official | 354:e67efb2aab0e | 127 | * @{ |
mbed_official | 354:e67efb2aab0e | 128 | */ |
mbed_official | 354:e67efb2aab0e | 129 | |
mbed_official | 354:e67efb2aab0e | 130 | /** @defgroup CORTEX CORTEX |
mbed_official | 354:e67efb2aab0e | 131 | * @brief CORTEX HAL module driver |
mbed_official | 354:e67efb2aab0e | 132 | * @{ |
mbed_official | 354:e67efb2aab0e | 133 | */ |
mbed_official | 354:e67efb2aab0e | 134 | |
mbed_official | 354:e67efb2aab0e | 135 | #ifdef HAL_CORTEX_MODULE_ENABLED |
mbed_official | 354:e67efb2aab0e | 136 | |
mbed_official | 354:e67efb2aab0e | 137 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 138 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 139 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 140 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 141 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 142 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 143 | |
mbed_official | 354:e67efb2aab0e | 144 | /** @defgroup CORTEX_Exported_Functions CORTEX Exported Functions |
mbed_official | 354:e67efb2aab0e | 145 | * @{ |
mbed_official | 354:e67efb2aab0e | 146 | */ |
mbed_official | 354:e67efb2aab0e | 147 | |
mbed_official | 354:e67efb2aab0e | 148 | |
mbed_official | 354:e67efb2aab0e | 149 | /** @defgroup CORTEX_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 150 | * @brief Initialization and Configuration functions |
mbed_official | 354:e67efb2aab0e | 151 | * |
mbed_official | 354:e67efb2aab0e | 152 | @verbatim |
mbed_official | 354:e67efb2aab0e | 153 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 154 | ##### Initialization and de-initialization functions ##### |
mbed_official | 354:e67efb2aab0e | 155 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 156 | [..] |
mbed_official | 354:e67efb2aab0e | 157 | This section provide the Cortex HAL driver functions allowing to configure Interrupts |
mbed_official | 354:e67efb2aab0e | 158 | Systick functionalities |
mbed_official | 354:e67efb2aab0e | 159 | |
mbed_official | 354:e67efb2aab0e | 160 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 161 | * @{ |
mbed_official | 354:e67efb2aab0e | 162 | */ |
mbed_official | 354:e67efb2aab0e | 163 | |
mbed_official | 354:e67efb2aab0e | 164 | |
mbed_official | 354:e67efb2aab0e | 165 | /** |
mbed_official | 354:e67efb2aab0e | 166 | * @brief Sets the priority grouping field (pre-emption priority and subpriority) |
mbed_official | 354:e67efb2aab0e | 167 | * using the required unlock sequence. |
mbed_official | 354:e67efb2aab0e | 168 | * @param PriorityGroup: The priority grouping bits length. |
mbed_official | 354:e67efb2aab0e | 169 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 170 | * @arg NVIC_PRIORITYGROUP_0: 0 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 171 | * 4 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 172 | * @arg NVIC_PRIORITYGROUP_1: 1 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 173 | * 3 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 174 | * @arg NVIC_PRIORITYGROUP_2: 2 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 175 | * 2 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 176 | * @arg NVIC_PRIORITYGROUP_3: 3 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 177 | * 1 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 178 | * @arg NVIC_PRIORITYGROUP_4: 4 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 179 | * 0 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 180 | * @note When the NVIC_PriorityGroup_0 is selected, IRQ pre-emption is no more possible. |
mbed_official | 354:e67efb2aab0e | 181 | * The pending IRQ priority will be managed only by the subpriority. |
mbed_official | 354:e67efb2aab0e | 182 | * @retval None |
mbed_official | 354:e67efb2aab0e | 183 | */ |
mbed_official | 354:e67efb2aab0e | 184 | void HAL_NVIC_SetPriorityGrouping(uint32_t PriorityGroup) |
mbed_official | 354:e67efb2aab0e | 185 | { |
mbed_official | 354:e67efb2aab0e | 186 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 187 | assert_param(IS_NVIC_PRIORITY_GROUP(PriorityGroup)); |
mbed_official | 354:e67efb2aab0e | 188 | |
mbed_official | 354:e67efb2aab0e | 189 | /* Set the PRIGROUP[10:8] bits according to the PriorityGroup parameter value */ |
mbed_official | 354:e67efb2aab0e | 190 | NVIC_SetPriorityGrouping(PriorityGroup); |
mbed_official | 354:e67efb2aab0e | 191 | } |
mbed_official | 354:e67efb2aab0e | 192 | |
mbed_official | 354:e67efb2aab0e | 193 | /** |
mbed_official | 354:e67efb2aab0e | 194 | * @brief Sets the priority of an interrupt. |
mbed_official | 354:e67efb2aab0e | 195 | * @param IRQn: External interrupt number |
mbed_official | 354:e67efb2aab0e | 196 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 197 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xx.h)) |
mbed_official | 354:e67efb2aab0e | 198 | * @param PreemptPriority: The pre-emption priority for the IRQn channel. |
mbed_official | 354:e67efb2aab0e | 199 | * This parameter can be a value between 0 and 15 |
mbed_official | 354:e67efb2aab0e | 200 | * A lower priority value indicates a higher priority |
mbed_official | 354:e67efb2aab0e | 201 | * @param SubPriority: the subpriority level for the IRQ channel. |
mbed_official | 354:e67efb2aab0e | 202 | * This parameter can be a value between 0 and 15 |
mbed_official | 354:e67efb2aab0e | 203 | * A lower priority value indicates a higher priority. |
mbed_official | 354:e67efb2aab0e | 204 | * @retval None |
mbed_official | 354:e67efb2aab0e | 205 | */ |
mbed_official | 354:e67efb2aab0e | 206 | void HAL_NVIC_SetPriority(IRQn_Type IRQn, uint32_t PreemptPriority, uint32_t SubPriority) |
mbed_official | 354:e67efb2aab0e | 207 | { |
mbed_official | 354:e67efb2aab0e | 208 | uint32_t prioritygroup = 0x00; |
mbed_official | 354:e67efb2aab0e | 209 | |
mbed_official | 354:e67efb2aab0e | 210 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 211 | assert_param(IS_NVIC_SUB_PRIORITY(SubPriority)); |
mbed_official | 354:e67efb2aab0e | 212 | assert_param(IS_NVIC_PREEMPTION_PRIORITY(PreemptPriority)); |
mbed_official | 354:e67efb2aab0e | 213 | |
mbed_official | 354:e67efb2aab0e | 214 | prioritygroup = NVIC_GetPriorityGrouping(); |
mbed_official | 354:e67efb2aab0e | 215 | |
mbed_official | 354:e67efb2aab0e | 216 | NVIC_SetPriority(IRQn, NVIC_EncodePriority(prioritygroup, PreemptPriority, SubPriority)); |
mbed_official | 354:e67efb2aab0e | 217 | } |
mbed_official | 354:e67efb2aab0e | 218 | |
mbed_official | 354:e67efb2aab0e | 219 | /** |
mbed_official | 354:e67efb2aab0e | 220 | * @brief Enables a device specific interrupt in the NVIC interrupt controller. |
mbed_official | 354:e67efb2aab0e | 221 | * @note To configure interrupts priority correctly, the NVIC_PriorityGroupConfig() |
mbed_official | 354:e67efb2aab0e | 222 | * function should be called before. |
mbed_official | 354:e67efb2aab0e | 223 | * @param IRQn External interrupt number |
mbed_official | 354:e67efb2aab0e | 224 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 225 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xx.h)) |
mbed_official | 354:e67efb2aab0e | 226 | * @retval None |
mbed_official | 354:e67efb2aab0e | 227 | */ |
mbed_official | 354:e67efb2aab0e | 228 | void HAL_NVIC_EnableIRQ(IRQn_Type IRQn) |
mbed_official | 354:e67efb2aab0e | 229 | { |
mbed_official | 354:e67efb2aab0e | 230 | /* Enable interrupt */ |
mbed_official | 354:e67efb2aab0e | 231 | NVIC_EnableIRQ(IRQn); |
mbed_official | 354:e67efb2aab0e | 232 | } |
mbed_official | 354:e67efb2aab0e | 233 | |
mbed_official | 354:e67efb2aab0e | 234 | /** |
mbed_official | 354:e67efb2aab0e | 235 | * @brief Disables a device specific interrupt in the NVIC interrupt controller. |
mbed_official | 354:e67efb2aab0e | 236 | * @param IRQn External interrupt number |
mbed_official | 354:e67efb2aab0e | 237 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 238 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h)) |
mbed_official | 354:e67efb2aab0e | 239 | * @retval None |
mbed_official | 354:e67efb2aab0e | 240 | */ |
mbed_official | 354:e67efb2aab0e | 241 | void HAL_NVIC_DisableIRQ(IRQn_Type IRQn) |
mbed_official | 354:e67efb2aab0e | 242 | { |
mbed_official | 354:e67efb2aab0e | 243 | /* Disable interrupt */ |
mbed_official | 354:e67efb2aab0e | 244 | NVIC_DisableIRQ(IRQn); |
mbed_official | 354:e67efb2aab0e | 245 | } |
mbed_official | 354:e67efb2aab0e | 246 | |
mbed_official | 354:e67efb2aab0e | 247 | /** |
mbed_official | 354:e67efb2aab0e | 248 | * @brief Initiates a system reset request to reset the MCU. |
mbed_official | 354:e67efb2aab0e | 249 | * @retval None |
mbed_official | 354:e67efb2aab0e | 250 | */ |
mbed_official | 354:e67efb2aab0e | 251 | void HAL_NVIC_SystemReset(void) |
mbed_official | 354:e67efb2aab0e | 252 | { |
mbed_official | 354:e67efb2aab0e | 253 | /* System Reset */ |
mbed_official | 354:e67efb2aab0e | 254 | NVIC_SystemReset(); |
mbed_official | 354:e67efb2aab0e | 255 | } |
mbed_official | 354:e67efb2aab0e | 256 | |
mbed_official | 354:e67efb2aab0e | 257 | /** |
mbed_official | 354:e67efb2aab0e | 258 | * @brief Initializes the System Timer and its interrupt, and starts the System Tick Timer. |
mbed_official | 354:e67efb2aab0e | 259 | * Counter is in free running mode to generate periodic interrupts. |
mbed_official | 354:e67efb2aab0e | 260 | * @param TicksNumb: Specifies the ticks Number of ticks between two interrupts. |
mbed_official | 354:e67efb2aab0e | 261 | * @retval status: - 0 Function succeeded. |
mbed_official | 354:e67efb2aab0e | 262 | * - 1 Function failed. |
mbed_official | 354:e67efb2aab0e | 263 | */ |
mbed_official | 354:e67efb2aab0e | 264 | uint32_t HAL_SYSTICK_Config(uint32_t TicksNumb) |
mbed_official | 354:e67efb2aab0e | 265 | { |
mbed_official | 354:e67efb2aab0e | 266 | return SysTick_Config(TicksNumb); |
mbed_official | 354:e67efb2aab0e | 267 | } |
mbed_official | 354:e67efb2aab0e | 268 | /** |
mbed_official | 354:e67efb2aab0e | 269 | * @} |
mbed_official | 354:e67efb2aab0e | 270 | */ |
mbed_official | 354:e67efb2aab0e | 271 | |
mbed_official | 354:e67efb2aab0e | 272 | /** @defgroup CORTEX_Exported_Functions_Group2 Peripheral Control functions |
mbed_official | 354:e67efb2aab0e | 273 | * @brief Cortex control functions |
mbed_official | 354:e67efb2aab0e | 274 | * |
mbed_official | 354:e67efb2aab0e | 275 | @verbatim |
mbed_official | 354:e67efb2aab0e | 276 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 277 | ##### Peripheral Control functions ##### |
mbed_official | 354:e67efb2aab0e | 278 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 279 | [..] |
mbed_official | 354:e67efb2aab0e | 280 | This subsection provides a set of functions allowing to control the CORTEX |
mbed_official | 354:e67efb2aab0e | 281 | (NVIC, SYSTICK) functionalities. |
mbed_official | 354:e67efb2aab0e | 282 | |
mbed_official | 354:e67efb2aab0e | 283 | |
mbed_official | 354:e67efb2aab0e | 284 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 285 | * @{ |
mbed_official | 354:e67efb2aab0e | 286 | */ |
mbed_official | 354:e67efb2aab0e | 287 | |
mbed_official | 354:e67efb2aab0e | 288 | /** |
mbed_official | 354:e67efb2aab0e | 289 | * @brief Gets the priority grouping field from the NVIC Interrupt Controller. |
mbed_official | 354:e67efb2aab0e | 290 | * @retval Priority grouping field (SCB->AIRCR [10:8] PRIGROUP field) |
mbed_official | 354:e67efb2aab0e | 291 | */ |
mbed_official | 354:e67efb2aab0e | 292 | uint32_t HAL_NVIC_GetPriorityGrouping(void) |
mbed_official | 354:e67efb2aab0e | 293 | { |
mbed_official | 354:e67efb2aab0e | 294 | /* Get the PRIGROUP[10:8] field value */ |
mbed_official | 354:e67efb2aab0e | 295 | return NVIC_GetPriorityGrouping(); |
mbed_official | 354:e67efb2aab0e | 296 | } |
mbed_official | 354:e67efb2aab0e | 297 | |
mbed_official | 354:e67efb2aab0e | 298 | /** |
mbed_official | 354:e67efb2aab0e | 299 | * @brief Gets the priority of an interrupt. |
mbed_official | 354:e67efb2aab0e | 300 | * @param IRQn: External interrupt number |
mbed_official | 354:e67efb2aab0e | 301 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 302 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h)) |
mbed_official | 354:e67efb2aab0e | 303 | * @param PriorityGroup: the priority grouping bits length. |
mbed_official | 354:e67efb2aab0e | 304 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 305 | * @arg NVIC_PRIORITYGROUP_0: 0 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 306 | * 4 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 307 | * @arg NVIC_PRIORITYGROUP_1: 1 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 308 | * 3 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 309 | * @arg NVIC_PRIORITYGROUP_2: 2 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 310 | * 2 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 311 | * @arg NVIC_PRIORITYGROUP_3: 3 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 312 | * 1 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 313 | * @arg NVIC_PRIORITYGROUP_4: 4 bits for pre-emption priority |
mbed_official | 354:e67efb2aab0e | 314 | * 0 bits for subpriority |
mbed_official | 354:e67efb2aab0e | 315 | * @param pPreemptPriority: Pointer on the Preemptive priority value (starting from 0). |
mbed_official | 354:e67efb2aab0e | 316 | * @param pSubPriority: Pointer on the Subpriority value (starting from 0). |
mbed_official | 354:e67efb2aab0e | 317 | * @retval None |
mbed_official | 354:e67efb2aab0e | 318 | */ |
mbed_official | 354:e67efb2aab0e | 319 | void HAL_NVIC_GetPriority(IRQn_Type IRQn, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority) |
mbed_official | 354:e67efb2aab0e | 320 | { |
mbed_official | 354:e67efb2aab0e | 321 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 322 | assert_param(IS_NVIC_PRIORITY_GROUP(PriorityGroup)); |
mbed_official | 354:e67efb2aab0e | 323 | /* Get priority for Cortex-M system or device specific interrupts */ |
mbed_official | 354:e67efb2aab0e | 324 | NVIC_DecodePriority(NVIC_GetPriority(IRQn), PriorityGroup, pPreemptPriority, pSubPriority); |
mbed_official | 354:e67efb2aab0e | 325 | } |
mbed_official | 354:e67efb2aab0e | 326 | |
mbed_official | 354:e67efb2aab0e | 327 | /** |
mbed_official | 354:e67efb2aab0e | 328 | * @brief Sets Pending bit of an external interrupt. |
mbed_official | 354:e67efb2aab0e | 329 | * @param IRQn External interrupt number |
mbed_official | 354:e67efb2aab0e | 330 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 331 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h)) |
mbed_official | 354:e67efb2aab0e | 332 | * @retval None |
mbed_official | 354:e67efb2aab0e | 333 | */ |
mbed_official | 354:e67efb2aab0e | 334 | void HAL_NVIC_SetPendingIRQ(IRQn_Type IRQn) |
mbed_official | 354:e67efb2aab0e | 335 | { |
mbed_official | 354:e67efb2aab0e | 336 | /* Set interrupt pending */ |
mbed_official | 354:e67efb2aab0e | 337 | NVIC_SetPendingIRQ(IRQn); |
mbed_official | 354:e67efb2aab0e | 338 | } |
mbed_official | 354:e67efb2aab0e | 339 | |
mbed_official | 354:e67efb2aab0e | 340 | /** |
mbed_official | 354:e67efb2aab0e | 341 | * @brief Gets Pending Interrupt (reads the pending register in the NVIC |
mbed_official | 354:e67efb2aab0e | 342 | * and returns the pending bit for the specified interrupt). |
mbed_official | 354:e67efb2aab0e | 343 | * @param IRQn External interrupt number |
mbed_official | 354:e67efb2aab0e | 344 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 345 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h)) |
mbed_official | 354:e67efb2aab0e | 346 | * @retval status: - 0 Interrupt status is not pending. |
mbed_official | 354:e67efb2aab0e | 347 | * - 1 Interrupt status is pending. |
mbed_official | 354:e67efb2aab0e | 348 | */ |
mbed_official | 354:e67efb2aab0e | 349 | uint32_t HAL_NVIC_GetPendingIRQ(IRQn_Type IRQn) |
mbed_official | 354:e67efb2aab0e | 350 | { |
mbed_official | 354:e67efb2aab0e | 351 | /* Return 1 if pending else 0 */ |
mbed_official | 354:e67efb2aab0e | 352 | return NVIC_GetPendingIRQ(IRQn); |
mbed_official | 354:e67efb2aab0e | 353 | } |
mbed_official | 354:e67efb2aab0e | 354 | |
mbed_official | 354:e67efb2aab0e | 355 | /** |
mbed_official | 354:e67efb2aab0e | 356 | * @brief Clears the pending bit of an external interrupt. |
mbed_official | 354:e67efb2aab0e | 357 | * @param IRQn External interrupt number |
mbed_official | 354:e67efb2aab0e | 358 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 359 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h)) |
mbed_official | 354:e67efb2aab0e | 360 | * @retval None |
mbed_official | 354:e67efb2aab0e | 361 | */ |
mbed_official | 354:e67efb2aab0e | 362 | void HAL_NVIC_ClearPendingIRQ(IRQn_Type IRQn) |
mbed_official | 354:e67efb2aab0e | 363 | { |
mbed_official | 354:e67efb2aab0e | 364 | /* Clear pending interrupt */ |
mbed_official | 354:e67efb2aab0e | 365 | NVIC_ClearPendingIRQ(IRQn); |
mbed_official | 354:e67efb2aab0e | 366 | } |
mbed_official | 354:e67efb2aab0e | 367 | |
mbed_official | 354:e67efb2aab0e | 368 | /** |
mbed_official | 354:e67efb2aab0e | 369 | * @brief Gets active interrupt ( reads the active register in NVIC and returns the active bit). |
mbed_official | 354:e67efb2aab0e | 370 | * @param IRQn External interrupt number |
mbed_official | 354:e67efb2aab0e | 371 | * This parameter can be an enumerator of IRQn_Type enumeration |
mbed_official | 354:e67efb2aab0e | 372 | * (For the complete STM32 Devices IRQ Channels list, please refer to the appropriate CMSIS device file (stm32l1xxxx.h)) |
mbed_official | 354:e67efb2aab0e | 373 | * @retval status: - 0 Interrupt status is not pending. |
mbed_official | 354:e67efb2aab0e | 374 | * - 1 Interrupt status is pending. |
mbed_official | 354:e67efb2aab0e | 375 | */ |
mbed_official | 354:e67efb2aab0e | 376 | uint32_t HAL_NVIC_GetActive(IRQn_Type IRQn) |
mbed_official | 354:e67efb2aab0e | 377 | { |
mbed_official | 354:e67efb2aab0e | 378 | /* Return 1 if active else 0 */ |
mbed_official | 354:e67efb2aab0e | 379 | return NVIC_GetActive(IRQn); |
mbed_official | 354:e67efb2aab0e | 380 | } |
mbed_official | 354:e67efb2aab0e | 381 | |
mbed_official | 354:e67efb2aab0e | 382 | /** |
mbed_official | 354:e67efb2aab0e | 383 | * @brief Configures the SysTick clock source. |
mbed_official | 354:e67efb2aab0e | 384 | * @param CLKSource: specifies the SysTick clock source. |
mbed_official | 354:e67efb2aab0e | 385 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 386 | * @arg SYSTICK_CLKSOURCE_HCLK_DIV8: AHB clock divided by 8 selected as SysTick clock source. |
mbed_official | 354:e67efb2aab0e | 387 | * @arg SYSTICK_CLKSOURCE_HCLK: AHB clock selected as SysTick clock source. |
mbed_official | 354:e67efb2aab0e | 388 | * @retval None |
mbed_official | 354:e67efb2aab0e | 389 | */ |
mbed_official | 354:e67efb2aab0e | 390 | void HAL_SYSTICK_CLKSourceConfig(uint32_t CLKSource) |
mbed_official | 354:e67efb2aab0e | 391 | { |
mbed_official | 354:e67efb2aab0e | 392 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 393 | assert_param(IS_SYSTICK_CLK_SOURCE(CLKSource)); |
mbed_official | 354:e67efb2aab0e | 394 | if (CLKSource == SYSTICK_CLKSOURCE_HCLK) |
mbed_official | 354:e67efb2aab0e | 395 | { |
mbed_official | 354:e67efb2aab0e | 396 | SysTick->CTRL |= SYSTICK_CLKSOURCE_HCLK; |
mbed_official | 354:e67efb2aab0e | 397 | } |
mbed_official | 354:e67efb2aab0e | 398 | else |
mbed_official | 354:e67efb2aab0e | 399 | { |
mbed_official | 354:e67efb2aab0e | 400 | SysTick->CTRL &= ~SYSTICK_CLKSOURCE_HCLK; |
mbed_official | 354:e67efb2aab0e | 401 | } |
mbed_official | 354:e67efb2aab0e | 402 | } |
mbed_official | 354:e67efb2aab0e | 403 | |
mbed_official | 354:e67efb2aab0e | 404 | /** |
mbed_official | 354:e67efb2aab0e | 405 | * @brief This function handles SYSTICK interrupt request. |
mbed_official | 354:e67efb2aab0e | 406 | * @retval None |
mbed_official | 354:e67efb2aab0e | 407 | */ |
mbed_official | 354:e67efb2aab0e | 408 | void HAL_SYSTICK_IRQHandler(void) |
mbed_official | 354:e67efb2aab0e | 409 | { |
mbed_official | 354:e67efb2aab0e | 410 | HAL_SYSTICK_Callback(); |
mbed_official | 354:e67efb2aab0e | 411 | } |
mbed_official | 354:e67efb2aab0e | 412 | |
mbed_official | 354:e67efb2aab0e | 413 | /** |
mbed_official | 354:e67efb2aab0e | 414 | * @brief SYSTICK callback. |
mbed_official | 354:e67efb2aab0e | 415 | * @retval None |
mbed_official | 354:e67efb2aab0e | 416 | */ |
mbed_official | 354:e67efb2aab0e | 417 | __weak void HAL_SYSTICK_Callback(void) |
mbed_official | 354:e67efb2aab0e | 418 | { |
mbed_official | 354:e67efb2aab0e | 419 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 420 | the HAL_SYSTICK_Callback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 421 | */ |
mbed_official | 354:e67efb2aab0e | 422 | } |
mbed_official | 354:e67efb2aab0e | 423 | |
mbed_official | 354:e67efb2aab0e | 424 | /** |
mbed_official | 354:e67efb2aab0e | 425 | * @} |
mbed_official | 354:e67efb2aab0e | 426 | */ |
mbed_official | 354:e67efb2aab0e | 427 | |
mbed_official | 354:e67efb2aab0e | 428 | /** |
mbed_official | 354:e67efb2aab0e | 429 | * @} |
mbed_official | 354:e67efb2aab0e | 430 | */ |
mbed_official | 354:e67efb2aab0e | 431 | |
mbed_official | 354:e67efb2aab0e | 432 | #endif /* HAL_CORTEX_MODULE_ENABLED */ |
mbed_official | 354:e67efb2aab0e | 433 | /** |
mbed_official | 354:e67efb2aab0e | 434 | * @} |
mbed_official | 354:e67efb2aab0e | 435 | */ |
mbed_official | 354:e67efb2aab0e | 436 | |
mbed_official | 354:e67efb2aab0e | 437 | /** |
mbed_official | 354:e67efb2aab0e | 438 | * @} |
mbed_official | 354:e67efb2aab0e | 439 | */ |
mbed_official | 354:e67efb2aab0e | 440 | |
mbed_official | 354:e67efb2aab0e | 441 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |