SHIO
Fork of mbed-stm32l0/l1-src by
targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal.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.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?
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mbed_official | 354:e67efb2aab0e | 1 | /** |
mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal.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 HAL module driver. |
mbed_official | 354:e67efb2aab0e | 8 | * This is the common part of the HAL initialization |
mbed_official | 354:e67efb2aab0e | 9 | * |
mbed_official | 354:e67efb2aab0e | 10 | @verbatim |
mbed_official | 354:e67efb2aab0e | 11 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 12 | ##### How to use this driver ##### |
mbed_official | 354:e67efb2aab0e | 13 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 14 | [..] |
mbed_official | 354:e67efb2aab0e | 15 | The common HAL driver contains a set of generic and common APIs that can be |
mbed_official | 354:e67efb2aab0e | 16 | used by the PPP peripheral drivers and the user to start using the HAL. |
mbed_official | 354:e67efb2aab0e | 17 | [..] |
mbed_official | 354:e67efb2aab0e | 18 | The HAL contains two APIs' categories: |
mbed_official | 354:e67efb2aab0e | 19 | (+) Common HAL APIs |
mbed_official | 354:e67efb2aab0e | 20 | (+) Services HAL APIs |
mbed_official | 354:e67efb2aab0e | 21 | |
mbed_official | 354:e67efb2aab0e | 22 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 23 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 24 | * @attention |
mbed_official | 354:e67efb2aab0e | 25 | * |
mbed_official | 354:e67efb2aab0e | 26 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 354:e67efb2aab0e | 27 | * |
mbed_official | 354:e67efb2aab0e | 28 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 354:e67efb2aab0e | 29 | * are permitted provided that the following conditions are met: |
mbed_official | 354:e67efb2aab0e | 30 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 31 | * this list of conditions and the following disclaimer. |
mbed_official | 354:e67efb2aab0e | 32 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 33 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 354:e67efb2aab0e | 34 | * and/or other materials provided with the distribution. |
mbed_official | 354:e67efb2aab0e | 35 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 354:e67efb2aab0e | 36 | * may be used to endorse or promote products derived from this software |
mbed_official | 354:e67efb2aab0e | 37 | * without specific prior written permission. |
mbed_official | 354:e67efb2aab0e | 38 | * |
mbed_official | 354:e67efb2aab0e | 39 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 354:e67efb2aab0e | 40 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 354:e67efb2aab0e | 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 354:e67efb2aab0e | 42 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 354:e67efb2aab0e | 43 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 354:e67efb2aab0e | 44 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 354:e67efb2aab0e | 45 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 354:e67efb2aab0e | 46 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 354:e67efb2aab0e | 47 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 354:e67efb2aab0e | 48 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 354:e67efb2aab0e | 49 | * |
mbed_official | 354:e67efb2aab0e | 50 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 51 | */ |
mbed_official | 354:e67efb2aab0e | 52 | |
mbed_official | 354:e67efb2aab0e | 53 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 54 | #include "stm32l1xx_hal.h" |
mbed_official | 354:e67efb2aab0e | 55 | |
mbed_official | 354:e67efb2aab0e | 56 | /** @addtogroup STM32L1xx_HAL_Driver |
mbed_official | 354:e67efb2aab0e | 57 | * @{ |
mbed_official | 354:e67efb2aab0e | 58 | */ |
mbed_official | 354:e67efb2aab0e | 59 | |
mbed_official | 354:e67efb2aab0e | 60 | /** @defgroup HAL HAL |
mbed_official | 354:e67efb2aab0e | 61 | * @brief HAL module driver. |
mbed_official | 354:e67efb2aab0e | 62 | * @{ |
mbed_official | 354:e67efb2aab0e | 63 | */ |
mbed_official | 354:e67efb2aab0e | 64 | |
mbed_official | 354:e67efb2aab0e | 65 | #ifdef HAL_MODULE_ENABLED |
mbed_official | 354:e67efb2aab0e | 66 | |
mbed_official | 354:e67efb2aab0e | 67 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 68 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 69 | |
mbed_official | 354:e67efb2aab0e | 70 | /** @defgroup HAL_Private_Defines HAL Private Defines |
mbed_official | 354:e67efb2aab0e | 71 | * @{ |
mbed_official | 354:e67efb2aab0e | 72 | */ |
mbed_official | 354:e67efb2aab0e | 73 | |
mbed_official | 354:e67efb2aab0e | 74 | /** |
mbed_official | 354:e67efb2aab0e | 75 | * @brief STM32L1xx HAL Driver version number V1.0.0 |
mbed_official | 354:e67efb2aab0e | 76 | */ |
mbed_official | 354:e67efb2aab0e | 77 | #define __STM32L1xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */ |
mbed_official | 354:e67efb2aab0e | 78 | #define __STM32L1xx_HAL_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */ |
mbed_official | 354:e67efb2aab0e | 79 | #define __STM32L1xx_HAL_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ |
mbed_official | 354:e67efb2aab0e | 80 | #define __STM32L1xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */ |
mbed_official | 354:e67efb2aab0e | 81 | #define __STM32L1xx_HAL_VERSION ((__STM32L1xx_HAL_VERSION_MAIN << 24)\ |
mbed_official | 354:e67efb2aab0e | 82 | |(__STM32L1xx_HAL_VERSION_SUB1 << 16)\ |
mbed_official | 354:e67efb2aab0e | 83 | |(__STM32L1xx_HAL_VERSION_SUB2 << 8 )\ |
mbed_official | 354:e67efb2aab0e | 84 | |(__STM32L1xx_HAL_VERSION_RC)) |
mbed_official | 354:e67efb2aab0e | 85 | |
mbed_official | 354:e67efb2aab0e | 86 | #define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF) |
mbed_official | 354:e67efb2aab0e | 87 | |
mbed_official | 354:e67efb2aab0e | 88 | /** |
mbed_official | 354:e67efb2aab0e | 89 | * @} |
mbed_official | 354:e67efb2aab0e | 90 | */ |
mbed_official | 354:e67efb2aab0e | 91 | |
mbed_official | 354:e67efb2aab0e | 92 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 93 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 94 | |
mbed_official | 354:e67efb2aab0e | 95 | /** @defgroup HAL_Private_Variables HAL Private Variables |
mbed_official | 354:e67efb2aab0e | 96 | * @{ |
mbed_official | 354:e67efb2aab0e | 97 | */ |
mbed_official | 354:e67efb2aab0e | 98 | |
mbed_official | 354:e67efb2aab0e | 99 | static __IO uint32_t uwTick; |
mbed_official | 354:e67efb2aab0e | 100 | |
mbed_official | 354:e67efb2aab0e | 101 | /** |
mbed_official | 354:e67efb2aab0e | 102 | * @} |
mbed_official | 354:e67efb2aab0e | 103 | */ |
mbed_official | 354:e67efb2aab0e | 104 | |
mbed_official | 354:e67efb2aab0e | 105 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 106 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 107 | |
mbed_official | 354:e67efb2aab0e | 108 | /** @defgroup HAL_Exported_Functions HAL Exported Functions |
mbed_official | 354:e67efb2aab0e | 109 | * @{ |
mbed_official | 354:e67efb2aab0e | 110 | */ |
mbed_official | 354:e67efb2aab0e | 111 | |
mbed_official | 354:e67efb2aab0e | 112 | /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions |
mbed_official | 354:e67efb2aab0e | 113 | * @brief Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 114 | * |
mbed_official | 354:e67efb2aab0e | 115 | @verbatim |
mbed_official | 354:e67efb2aab0e | 116 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 117 | ##### Initialization and de-initialization functions ##### |
mbed_official | 354:e67efb2aab0e | 118 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 119 | [..] This section provides functions allowing to: |
mbed_official | 354:e67efb2aab0e | 120 | (+) Initializes the Flash interface, the NVIC allocation and initial clock |
mbed_official | 354:e67efb2aab0e | 121 | configuration. It initializes the source of time base also when timeout |
mbed_official | 354:e67efb2aab0e | 122 | is needed and the backup domain when enabled. |
mbed_official | 354:e67efb2aab0e | 123 | (+) de-Initializes common part of the HAL. |
mbed_official | 354:e67efb2aab0e | 124 | (+) Configure The time base source to have 1ms time base with a dedicated |
mbed_official | 354:e67efb2aab0e | 125 | Tick interrupt priority. |
mbed_official | 354:e67efb2aab0e | 126 | (++) Systick timer is used by default as source of time base, but user |
mbed_official | 354:e67efb2aab0e | 127 | can eventually implement his proper time base source (a general purpose |
mbed_official | 354:e67efb2aab0e | 128 | timer for example or other time source), keeping in mind that Time base |
mbed_official | 354:e67efb2aab0e | 129 | duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and |
mbed_official | 354:e67efb2aab0e | 130 | handled in milliseconds basis. |
mbed_official | 354:e67efb2aab0e | 131 | (++) Time base configuration function (HAL_InitTick ()) is called automatically |
mbed_official | 354:e67efb2aab0e | 132 | at the beginning of the program after reset by HAL_Init() or at any time |
mbed_official | 354:e67efb2aab0e | 133 | when clock is configured, by HAL_RCC_ClockConfig(). |
mbed_official | 354:e67efb2aab0e | 134 | (++) Source of time base is configured to generate interrupts at regular |
mbed_official | 354:e67efb2aab0e | 135 | time intervals. Care must be taken if HAL_Delay() is called from a |
mbed_official | 354:e67efb2aab0e | 136 | peripheral ISR process, the Tick interrupt line must have higher priority |
mbed_official | 354:e67efb2aab0e | 137 | (numerically lower) than the peripheral interrupt. Otherwise the caller |
mbed_official | 354:e67efb2aab0e | 138 | ISR process will be blocked. |
mbed_official | 354:e67efb2aab0e | 139 | (++) functions affecting time base configurations are declared as __Weak |
mbed_official | 354:e67efb2aab0e | 140 | to make override possible in case of other implementations in user file. |
mbed_official | 354:e67efb2aab0e | 141 | |
mbed_official | 354:e67efb2aab0e | 142 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 143 | * @{ |
mbed_official | 354:e67efb2aab0e | 144 | */ |
mbed_official | 354:e67efb2aab0e | 145 | |
mbed_official | 354:e67efb2aab0e | 146 | /** |
mbed_official | 354:e67efb2aab0e | 147 | * @brief This function configures the Flash prefetch, |
mbed_official | 354:e67efb2aab0e | 148 | * Configures time base source, NVIC and Low level hardware |
mbed_official | 354:e67efb2aab0e | 149 | * @note This function is called at the beginning of program after reset and before |
mbed_official | 354:e67efb2aab0e | 150 | * the clock configuration |
mbed_official | 354:e67efb2aab0e | 151 | * @note The time base configuration is based on MSI clock when exiting from Reset. |
mbed_official | 354:e67efb2aab0e | 152 | * Once done, time base tick start incrementing. |
mbed_official | 354:e67efb2aab0e | 153 | * In the default implementation,Systick is used as source of time base. |
mbed_official | 354:e67efb2aab0e | 154 | * the tick variable is incremented each 1ms in its ISR. |
mbed_official | 354:e67efb2aab0e | 155 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 156 | */ |
mbed_official | 354:e67efb2aab0e | 157 | HAL_StatusTypeDef HAL_Init(void) |
mbed_official | 354:e67efb2aab0e | 158 | { |
mbed_official | 354:e67efb2aab0e | 159 | /* Configure Flash prefetch */ |
mbed_official | 354:e67efb2aab0e | 160 | #if (PREFETCH_ENABLE != 0) |
mbed_official | 354:e67efb2aab0e | 161 | __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); |
mbed_official | 354:e67efb2aab0e | 162 | #endif /* PREFETCH_ENABLE */ |
mbed_official | 354:e67efb2aab0e | 163 | |
mbed_official | 354:e67efb2aab0e | 164 | /* Set Interrupt Group Priority */ |
mbed_official | 354:e67efb2aab0e | 165 | HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); |
mbed_official | 354:e67efb2aab0e | 166 | |
mbed_official | 354:e67efb2aab0e | 167 | /* Use systick as time base source and configure 1ms tick (default clock after Reset is MSI) */ |
mbed_official | 354:e67efb2aab0e | 168 | HAL_InitTick(TICK_INT_PRIORITY); |
mbed_official | 354:e67efb2aab0e | 169 | |
mbed_official | 354:e67efb2aab0e | 170 | /* Init the low level hardware */ |
mbed_official | 354:e67efb2aab0e | 171 | HAL_MspInit(); |
mbed_official | 354:e67efb2aab0e | 172 | |
mbed_official | 354:e67efb2aab0e | 173 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 174 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 175 | } |
mbed_official | 354:e67efb2aab0e | 176 | |
mbed_official | 354:e67efb2aab0e | 177 | /** |
mbed_official | 354:e67efb2aab0e | 178 | * @brief This function de-Initializes common part of the HAL and stops the source |
mbed_official | 354:e67efb2aab0e | 179 | * of time base. |
mbed_official | 354:e67efb2aab0e | 180 | * @note This function is optional. |
mbed_official | 354:e67efb2aab0e | 181 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 182 | */ |
mbed_official | 354:e67efb2aab0e | 183 | HAL_StatusTypeDef HAL_DeInit(void) |
mbed_official | 354:e67efb2aab0e | 184 | { |
mbed_official | 354:e67efb2aab0e | 185 | /* Reset of all peripherals */ |
mbed_official | 354:e67efb2aab0e | 186 | __APB1_FORCE_RESET(); |
mbed_official | 354:e67efb2aab0e | 187 | __APB1_RELEASE_RESET(); |
mbed_official | 354:e67efb2aab0e | 188 | |
mbed_official | 354:e67efb2aab0e | 189 | __APB2_FORCE_RESET(); |
mbed_official | 354:e67efb2aab0e | 190 | __APB2_RELEASE_RESET(); |
mbed_official | 354:e67efb2aab0e | 191 | |
mbed_official | 354:e67efb2aab0e | 192 | __AHB_FORCE_RESET(); |
mbed_official | 354:e67efb2aab0e | 193 | __AHB_RELEASE_RESET(); |
mbed_official | 354:e67efb2aab0e | 194 | |
mbed_official | 354:e67efb2aab0e | 195 | /* De-Init the low level hardware */ |
mbed_official | 354:e67efb2aab0e | 196 | HAL_MspDeInit(); |
mbed_official | 354:e67efb2aab0e | 197 | |
mbed_official | 354:e67efb2aab0e | 198 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 199 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 200 | } |
mbed_official | 354:e67efb2aab0e | 201 | |
mbed_official | 354:e67efb2aab0e | 202 | /** |
mbed_official | 354:e67efb2aab0e | 203 | * @brief Initializes the MSP. |
mbed_official | 354:e67efb2aab0e | 204 | * @retval None |
mbed_official | 354:e67efb2aab0e | 205 | */ |
mbed_official | 354:e67efb2aab0e | 206 | __weak void HAL_MspInit(void) |
mbed_official | 354:e67efb2aab0e | 207 | { |
mbed_official | 354:e67efb2aab0e | 208 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 209 | the HAL_MspInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 210 | */ |
mbed_official | 354:e67efb2aab0e | 211 | } |
mbed_official | 354:e67efb2aab0e | 212 | |
mbed_official | 354:e67efb2aab0e | 213 | /** |
mbed_official | 354:e67efb2aab0e | 214 | * @brief DeInitializes the MSP. |
mbed_official | 354:e67efb2aab0e | 215 | * @retval None |
mbed_official | 354:e67efb2aab0e | 216 | */ |
mbed_official | 354:e67efb2aab0e | 217 | __weak void HAL_MspDeInit(void) |
mbed_official | 354:e67efb2aab0e | 218 | { |
mbed_official | 354:e67efb2aab0e | 219 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 220 | the HAL_MspDeInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 221 | */ |
mbed_official | 354:e67efb2aab0e | 222 | } |
mbed_official | 354:e67efb2aab0e | 223 | |
mbed_official | 354:e67efb2aab0e | 224 | /** |
mbed_official | 354:e67efb2aab0e | 225 | * @brief This function configures the source of the time base. |
mbed_official | 354:e67efb2aab0e | 226 | * The time source is configured to have 1ms time base with a dedicated |
mbed_official | 354:e67efb2aab0e | 227 | * Tick interrupt priority. |
mbed_official | 354:e67efb2aab0e | 228 | * @note This function is called automatically at the beginning of program after |
mbed_official | 354:e67efb2aab0e | 229 | * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). |
mbed_official | 354:e67efb2aab0e | 230 | * @note In the default implementation, SysTick timer is the source of time base. |
mbed_official | 354:e67efb2aab0e | 231 | * It is used to generate interrupts at regular time intervals. |
mbed_official | 354:e67efb2aab0e | 232 | * Care must be taken if HAL_Delay() is called from a peripheral ISR process, |
mbed_official | 354:e67efb2aab0e | 233 | * The the SysTick interrupt must have higher priority (numerically lower) |
mbed_official | 354:e67efb2aab0e | 234 | * than the peripheral interrupt. Otherwise the caller ISR process will be blocked. |
mbed_official | 354:e67efb2aab0e | 235 | * The function is declared as __Weak to be overwritten in case of other |
mbed_official | 354:e67efb2aab0e | 236 | * implementation in user file. |
mbed_official | 354:e67efb2aab0e | 237 | * @param TickPriority: Tick interrupt priority. |
mbed_official | 354:e67efb2aab0e | 238 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 239 | */ |
mbed_official | 354:e67efb2aab0e | 240 | __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) |
mbed_official | 354:e67efb2aab0e | 241 | { |
mbed_official | 354:e67efb2aab0e | 242 | /*Configure the SysTick to have interrupt in 1ms time basis*/ |
mbed_official | 354:e67efb2aab0e | 243 | HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000); |
mbed_official | 354:e67efb2aab0e | 244 | |
mbed_official | 354:e67efb2aab0e | 245 | /*Configure the SysTick IRQ priority */ |
mbed_official | 354:e67efb2aab0e | 246 | HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority ,0); |
mbed_official | 354:e67efb2aab0e | 247 | |
mbed_official | 354:e67efb2aab0e | 248 | /* Return function status */ |
mbed_official | 354:e67efb2aab0e | 249 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 250 | } |
mbed_official | 354:e67efb2aab0e | 251 | |
mbed_official | 354:e67efb2aab0e | 252 | /** |
mbed_official | 354:e67efb2aab0e | 253 | * @} |
mbed_official | 354:e67efb2aab0e | 254 | */ |
mbed_official | 354:e67efb2aab0e | 255 | |
mbed_official | 354:e67efb2aab0e | 256 | /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions |
mbed_official | 354:e67efb2aab0e | 257 | * @brief HAL Control functions |
mbed_official | 354:e67efb2aab0e | 258 | * |
mbed_official | 354:e67efb2aab0e | 259 | @verbatim |
mbed_official | 354:e67efb2aab0e | 260 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 261 | ##### HAL Control functions ##### |
mbed_official | 354:e67efb2aab0e | 262 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 263 | [..] This section provides functions allowing to: |
mbed_official | 354:e67efb2aab0e | 264 | (+) Provide a tick value in millisecond |
mbed_official | 354:e67efb2aab0e | 265 | (+) Provide a blocking delay in millisecond |
mbed_official | 354:e67efb2aab0e | 266 | (+) Suspend the time base source interrupt |
mbed_official | 354:e67efb2aab0e | 267 | (+) Resume the time base source interrupt |
mbed_official | 354:e67efb2aab0e | 268 | (+) Get the HAL API driver version |
mbed_official | 354:e67efb2aab0e | 269 | (+) Get the device identifier |
mbed_official | 354:e67efb2aab0e | 270 | (+) Get the device revision identifier |
mbed_official | 354:e67efb2aab0e | 271 | (+) Enable/Disable Debug module during Sleep mode |
mbed_official | 354:e67efb2aab0e | 272 | (+) Enable/Disable Debug module during STOP mode |
mbed_official | 354:e67efb2aab0e | 273 | (+) Enable/Disable Debug module during STANDBY mode |
mbed_official | 354:e67efb2aab0e | 274 | |
mbed_official | 354:e67efb2aab0e | 275 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 276 | * @{ |
mbed_official | 354:e67efb2aab0e | 277 | */ |
mbed_official | 354:e67efb2aab0e | 278 | |
mbed_official | 354:e67efb2aab0e | 279 | /** |
mbed_official | 354:e67efb2aab0e | 280 | * @brief This function is called to increment a global variable "uwTick" |
mbed_official | 354:e67efb2aab0e | 281 | * used as application time base. |
mbed_official | 354:e67efb2aab0e | 282 | * @note In the default implementation, this variable is incremented each 1ms |
mbed_official | 354:e67efb2aab0e | 283 | * in Systick ISR. |
mbed_official | 354:e67efb2aab0e | 284 | * @note This function is declared as __weak to be overwritten in case of other |
mbed_official | 354:e67efb2aab0e | 285 | * implementations in user file. |
mbed_official | 354:e67efb2aab0e | 286 | * @retval None |
mbed_official | 354:e67efb2aab0e | 287 | */ |
mbed_official | 354:e67efb2aab0e | 288 | __weak void HAL_IncTick(void) |
mbed_official | 354:e67efb2aab0e | 289 | { |
mbed_official | 354:e67efb2aab0e | 290 | uwTick++; |
mbed_official | 354:e67efb2aab0e | 291 | } |
mbed_official | 354:e67efb2aab0e | 292 | |
mbed_official | 354:e67efb2aab0e | 293 | /** |
mbed_official | 354:e67efb2aab0e | 294 | * @brief Provides a tick value in millisecond. |
mbed_official | 354:e67efb2aab0e | 295 | * @note This function is declared as __weak to be overwritten in case of other |
mbed_official | 354:e67efb2aab0e | 296 | * implementations in user file. |
mbed_official | 354:e67efb2aab0e | 297 | * @retval tick value |
mbed_official | 354:e67efb2aab0e | 298 | */ |
mbed_official | 354:e67efb2aab0e | 299 | __weak uint32_t HAL_GetTick(void) |
mbed_official | 354:e67efb2aab0e | 300 | { |
mbed_official | 354:e67efb2aab0e | 301 | return uwTick; |
mbed_official | 354:e67efb2aab0e | 302 | } |
mbed_official | 354:e67efb2aab0e | 303 | |
mbed_official | 354:e67efb2aab0e | 304 | /** |
mbed_official | 354:e67efb2aab0e | 305 | * @brief This function provides accurate delay (in milliseconds) based |
mbed_official | 354:e67efb2aab0e | 306 | * on variable incremented. |
mbed_official | 354:e67efb2aab0e | 307 | * @note In the default implementation , SysTick timer is the source of time base. |
mbed_official | 354:e67efb2aab0e | 308 | * It is used to generate interrupts at regular time intervals where uwTick |
mbed_official | 354:e67efb2aab0e | 309 | * is incremented. |
mbed_official | 354:e67efb2aab0e | 310 | * @note ThiS function is declared as __weak to be overwritten in case of other |
mbed_official | 354:e67efb2aab0e | 311 | * implementations in user file. |
mbed_official | 354:e67efb2aab0e | 312 | * @param Delay: specifies the delay time length, in milliseconds. |
mbed_official | 354:e67efb2aab0e | 313 | * @retval None |
mbed_official | 354:e67efb2aab0e | 314 | */ |
mbed_official | 354:e67efb2aab0e | 315 | __weak void HAL_Delay(__IO uint32_t Delay) |
mbed_official | 354:e67efb2aab0e | 316 | { |
mbed_official | 354:e67efb2aab0e | 317 | uint32_t tickstart = 0; |
mbed_official | 354:e67efb2aab0e | 318 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 319 | while((HAL_GetTick() - tickstart) < Delay) |
mbed_official | 354:e67efb2aab0e | 320 | { |
mbed_official | 354:e67efb2aab0e | 321 | } |
mbed_official | 354:e67efb2aab0e | 322 | } |
mbed_official | 354:e67efb2aab0e | 323 | |
mbed_official | 354:e67efb2aab0e | 324 | /** |
mbed_official | 354:e67efb2aab0e | 325 | * @brief Suspend Tick increment. |
mbed_official | 354:e67efb2aab0e | 326 | * @note In the default implementation , SysTick timer is the source of time base. It is |
mbed_official | 354:e67efb2aab0e | 327 | * used to generate interrupts at regular time intervals. Once HAL_SuspendTick() |
mbed_official | 354:e67efb2aab0e | 328 | * is called, the the SysTick interrupt will be disabled and so Tick increment |
mbed_official | 354:e67efb2aab0e | 329 | * is suspended. |
mbed_official | 354:e67efb2aab0e | 330 | * @note This function is declared as __weak to be overwritten in case of other |
mbed_official | 354:e67efb2aab0e | 331 | * implementations in user file. |
mbed_official | 354:e67efb2aab0e | 332 | * @retval None |
mbed_official | 354:e67efb2aab0e | 333 | */ |
mbed_official | 354:e67efb2aab0e | 334 | __weak void HAL_SuspendTick(void) |
mbed_official | 354:e67efb2aab0e | 335 | { |
mbed_official | 354:e67efb2aab0e | 336 | /* Disable SysTick Interrupt */ |
mbed_official | 354:e67efb2aab0e | 337 | CLEAR_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
mbed_official | 354:e67efb2aab0e | 338 | } |
mbed_official | 354:e67efb2aab0e | 339 | |
mbed_official | 354:e67efb2aab0e | 340 | /** |
mbed_official | 354:e67efb2aab0e | 341 | * @brief Resume Tick increment. |
mbed_official | 354:e67efb2aab0e | 342 | * @note In the default implementation , SysTick timer is the source of time base. It is |
mbed_official | 354:e67efb2aab0e | 343 | * used to generate interrupts at regular time intervals. Once HAL_ResumeTick() |
mbed_official | 354:e67efb2aab0e | 344 | * is called, the the SysTick interrupt will be enabled and so Tick increment |
mbed_official | 354:e67efb2aab0e | 345 | * is resumed. |
mbed_official | 354:e67efb2aab0e | 346 | * @note This function is declared as __weak to be overwritten in case of other |
mbed_official | 354:e67efb2aab0e | 347 | * implementations in user file. |
mbed_official | 354:e67efb2aab0e | 348 | * @retval None |
mbed_official | 354:e67efb2aab0e | 349 | */ |
mbed_official | 354:e67efb2aab0e | 350 | __weak void HAL_ResumeTick(void) |
mbed_official | 354:e67efb2aab0e | 351 | { |
mbed_official | 354:e67efb2aab0e | 352 | /* Enable SysTick Interrupt */ |
mbed_official | 354:e67efb2aab0e | 353 | SET_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
mbed_official | 354:e67efb2aab0e | 354 | } |
mbed_official | 354:e67efb2aab0e | 355 | |
mbed_official | 354:e67efb2aab0e | 356 | /** |
mbed_official | 354:e67efb2aab0e | 357 | * @brief Returns the HAL revision |
mbed_official | 354:e67efb2aab0e | 358 | * @retval version: 0xXYZR (8bits for each decimal, R for RC) |
mbed_official | 354:e67efb2aab0e | 359 | */ |
mbed_official | 354:e67efb2aab0e | 360 | uint32_t HAL_GetHalVersion(void) |
mbed_official | 354:e67efb2aab0e | 361 | { |
mbed_official | 354:e67efb2aab0e | 362 | return __STM32L1xx_HAL_VERSION; |
mbed_official | 354:e67efb2aab0e | 363 | } |
mbed_official | 354:e67efb2aab0e | 364 | |
mbed_official | 354:e67efb2aab0e | 365 | /** |
mbed_official | 354:e67efb2aab0e | 366 | * @brief Returns the device revision identifier. |
mbed_official | 354:e67efb2aab0e | 367 | * @retval Device revision identifier |
mbed_official | 354:e67efb2aab0e | 368 | */ |
mbed_official | 354:e67efb2aab0e | 369 | uint32_t HAL_GetREVID(void) |
mbed_official | 354:e67efb2aab0e | 370 | { |
mbed_official | 354:e67efb2aab0e | 371 | return((DBGMCU->IDCODE) >> 16); |
mbed_official | 354:e67efb2aab0e | 372 | } |
mbed_official | 354:e67efb2aab0e | 373 | |
mbed_official | 354:e67efb2aab0e | 374 | /** |
mbed_official | 354:e67efb2aab0e | 375 | * @brief Returns the device identifier. |
mbed_official | 354:e67efb2aab0e | 376 | * @retval Device identifier |
mbed_official | 354:e67efb2aab0e | 377 | */ |
mbed_official | 354:e67efb2aab0e | 378 | uint32_t HAL_GetDEVID(void) |
mbed_official | 354:e67efb2aab0e | 379 | { |
mbed_official | 354:e67efb2aab0e | 380 | return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); |
mbed_official | 354:e67efb2aab0e | 381 | } |
mbed_official | 354:e67efb2aab0e | 382 | |
mbed_official | 354:e67efb2aab0e | 383 | /** |
mbed_official | 354:e67efb2aab0e | 384 | * @brief Enable the Debug Module during SLEEP mode |
mbed_official | 354:e67efb2aab0e | 385 | * @retval None |
mbed_official | 354:e67efb2aab0e | 386 | */ |
mbed_official | 354:e67efb2aab0e | 387 | void HAL_EnableDBGSleepMode(void) |
mbed_official | 354:e67efb2aab0e | 388 | { |
mbed_official | 354:e67efb2aab0e | 389 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
mbed_official | 354:e67efb2aab0e | 390 | } |
mbed_official | 354:e67efb2aab0e | 391 | |
mbed_official | 354:e67efb2aab0e | 392 | /** |
mbed_official | 354:e67efb2aab0e | 393 | * @brief Disable the Debug Module during SLEEP mode |
mbed_official | 354:e67efb2aab0e | 394 | * @retval None |
mbed_official | 354:e67efb2aab0e | 395 | */ |
mbed_official | 354:e67efb2aab0e | 396 | void HAL_DisableDBGSleepMode(void) |
mbed_official | 354:e67efb2aab0e | 397 | { |
mbed_official | 354:e67efb2aab0e | 398 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
mbed_official | 354:e67efb2aab0e | 399 | } |
mbed_official | 354:e67efb2aab0e | 400 | |
mbed_official | 354:e67efb2aab0e | 401 | /** |
mbed_official | 354:e67efb2aab0e | 402 | * @brief Enable the Debug Module during STOP mode |
mbed_official | 354:e67efb2aab0e | 403 | * @retval None |
mbed_official | 354:e67efb2aab0e | 404 | */ |
mbed_official | 354:e67efb2aab0e | 405 | void HAL_EnableDBGStopMode(void) |
mbed_official | 354:e67efb2aab0e | 406 | { |
mbed_official | 354:e67efb2aab0e | 407 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
mbed_official | 354:e67efb2aab0e | 408 | } |
mbed_official | 354:e67efb2aab0e | 409 | |
mbed_official | 354:e67efb2aab0e | 410 | /** |
mbed_official | 354:e67efb2aab0e | 411 | * @brief Disable the Debug Module during STOP mode |
mbed_official | 354:e67efb2aab0e | 412 | * @retval None |
mbed_official | 354:e67efb2aab0e | 413 | */ |
mbed_official | 354:e67efb2aab0e | 414 | void HAL_DisableDBGStopMode(void) |
mbed_official | 354:e67efb2aab0e | 415 | { |
mbed_official | 354:e67efb2aab0e | 416 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
mbed_official | 354:e67efb2aab0e | 417 | } |
mbed_official | 354:e67efb2aab0e | 418 | |
mbed_official | 354:e67efb2aab0e | 419 | /** |
mbed_official | 354:e67efb2aab0e | 420 | * @brief Enable the Debug Module during STANDBY mode |
mbed_official | 354:e67efb2aab0e | 421 | * @retval None |
mbed_official | 354:e67efb2aab0e | 422 | */ |
mbed_official | 354:e67efb2aab0e | 423 | void HAL_EnableDBGStandbyMode(void) |
mbed_official | 354:e67efb2aab0e | 424 | { |
mbed_official | 354:e67efb2aab0e | 425 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
mbed_official | 354:e67efb2aab0e | 426 | } |
mbed_official | 354:e67efb2aab0e | 427 | |
mbed_official | 354:e67efb2aab0e | 428 | /** |
mbed_official | 354:e67efb2aab0e | 429 | * @brief Disable the Debug Module during STANDBY mode |
mbed_official | 354:e67efb2aab0e | 430 | * @retval None |
mbed_official | 354:e67efb2aab0e | 431 | */ |
mbed_official | 354:e67efb2aab0e | 432 | void HAL_DisableDBGStandbyMode(void) |
mbed_official | 354:e67efb2aab0e | 433 | { |
mbed_official | 354:e67efb2aab0e | 434 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
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 | /** |
mbed_official | 354:e67efb2aab0e | 442 | * @} |
mbed_official | 354:e67efb2aab0e | 443 | */ |
mbed_official | 354:e67efb2aab0e | 444 | |
mbed_official | 354:e67efb2aab0e | 445 | #endif /* HAL_MODULE_ENABLED */ |
mbed_official | 354:e67efb2aab0e | 446 | /** |
mbed_official | 354:e67efb2aab0e | 447 | * @} |
mbed_official | 354:e67efb2aab0e | 448 | */ |
mbed_official | 354:e67efb2aab0e | 449 | |
mbed_official | 354:e67efb2aab0e | 450 | /** |
mbed_official | 354:e67efb2aab0e | 451 | * @} |
mbed_official | 354:e67efb2aab0e | 452 | */ |
mbed_official | 354:e67efb2aab0e | 453 | |
mbed_official | 354:e67efb2aab0e | 454 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |