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| 2 | mjames | 1 | /** |
| 2 | ****************************************************************************** |
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| 3 | * @file stm32f1xx_hal.c |
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| 4 | * @author MCD Application Team |
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| 5 | * @brief HAL module driver. |
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| 6 | * This is the common part of the HAL initialization |
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| 7 | * |
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| 8 | @verbatim |
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| 9 | ============================================================================== |
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| 10 | ##### How to use this driver ##### |
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| 11 | ============================================================================== |
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| 12 | [..] |
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| 13 | The common HAL driver contains a set of generic and common APIs that can be |
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| 14 | used by the PPP peripheral drivers and the user to start using the HAL. |
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| 15 | [..] |
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| 16 | The HAL contains two APIs' categories: |
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| 17 | (+) Common HAL APIs |
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| 18 | (+) Services HAL APIs |
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| 19 | |||
| 20 | @endverbatim |
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| 21 | ****************************************************************************** |
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| 22 | * @attention |
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| 23 | * |
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| 24 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
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| 25 | * |
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| 26 | * Redistribution and use in source and binary forms, with or without modification, |
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| 27 | * are permitted provided that the following conditions are met: |
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| 28 | * 1. Redistributions of source code must retain the above copyright notice, |
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| 29 | * this list of conditions and the following disclaimer. |
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| 30 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 31 | * this list of conditions and the following disclaimer in the documentation |
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| 32 | * and/or other materials provided with the distribution. |
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| 33 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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| 34 | * may be used to endorse or promote products derived from this software |
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| 35 | * without specific prior written permission. |
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| 36 | * |
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| 37 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 38 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 39 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 40 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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| 41 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 42 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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| 43 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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| 44 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 45 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 46 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 47 | * |
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| 48 | ****************************************************************************** |
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| 49 | */ |
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| 50 | |||
| 51 | /* Includes ------------------------------------------------------------------*/ |
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| 52 | #include "stm32f1xx_hal.h" |
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| 53 | |||
| 54 | /** @addtogroup STM32F1xx_HAL_Driver |
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| 55 | * @{ |
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| 56 | */ |
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| 57 | |||
| 58 | /** @defgroup HAL HAL |
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| 59 | * @brief HAL module driver. |
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| 60 | * @{ |
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| 61 | */ |
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| 62 | |||
| 63 | #ifdef HAL_MODULE_ENABLED |
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| 64 | |||
| 65 | /* Private typedef -----------------------------------------------------------*/ |
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| 66 | /* Private define ------------------------------------------------------------*/ |
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| 67 | |||
| 68 | /** @defgroup HAL_Private_Constants HAL Private Constants |
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| 69 | * @{ |
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| 70 | */ |
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| 71 | /** |
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| 72 | * @brief STM32F1xx HAL Driver version number V1.1.3 |
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| 73 | */ |
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| 74 | #define __STM32F1xx_HAL_VERSION_MAIN (0x01U) /*!< [31:24] main version */ |
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| 75 | #define __STM32F1xx_HAL_VERSION_SUB1 (0x01U) /*!< [23:16] sub1 version */ |
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| 76 | #define __STM32F1xx_HAL_VERSION_SUB2 (0x03U) /*!< [15:8] sub2 version */ |
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| 77 | #define __STM32F1xx_HAL_VERSION_RC (0x00U) /*!< [7:0] release candidate */ |
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| 78 | #define __STM32F1xx_HAL_VERSION ((__STM32F1xx_HAL_VERSION_MAIN << 24)\ |
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| 79 | |(__STM32F1xx_HAL_VERSION_SUB1 << 16)\ |
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| 80 | |(__STM32F1xx_HAL_VERSION_SUB2 << 8 )\ |
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| 81 | |(__STM32F1xx_HAL_VERSION_RC)) |
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| 82 | |||
| 83 | #define IDCODE_DEVID_MASK 0x00000FFFU |
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| 84 | |||
| 85 | /** |
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| 86 | * @} |
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| 87 | */ |
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| 88 | |||
| 89 | /* Private macro -------------------------------------------------------------*/ |
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| 90 | /* Private variables ---------------------------------------------------------*/ |
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| 91 | |||
| 92 | /** @defgroup HAL_Private_Variables HAL Private Variables |
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| 93 | * @{ |
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| 94 | */ |
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| 95 | __IO uint32_t uwTick; |
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| 96 | uint32_t uwTickPrio = (1UL << __NVIC_PRIO_BITS); /* Invalid PRIO */ |
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| 97 | HAL_TickFreqTypeDef uwTickFreq = HAL_TICK_FREQ_DEFAULT; /* 1KHz */ |
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| 98 | /** |
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| 99 | * @} |
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| 100 | */ |
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| 101 | /* Private function prototypes -----------------------------------------------*/ |
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| 102 | /* Exported functions ---------------------------------------------------------*/ |
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| 103 | |||
| 104 | /** @defgroup HAL_Exported_Functions HAL Exported Functions |
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| 105 | * @{ |
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| 106 | */ |
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| 107 | |||
| 108 | /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions |
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| 109 | * @brief Initialization and de-initialization functions |
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| 110 | * |
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| 111 | @verbatim |
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| 112 | =============================================================================== |
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| 113 | ##### Initialization and de-initialization functions ##### |
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| 114 | =============================================================================== |
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| 115 | [..] This section provides functions allowing to: |
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| 116 | (+) Initializes the Flash interface, the NVIC allocation and initial clock |
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| 117 | configuration. It initializes the systick also when timeout is needed |
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| 118 | and the backup domain when enabled. |
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| 119 | (+) de-Initializes common part of the HAL. |
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| 120 | (+) Configure The time base source to have 1ms time base with a dedicated |
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| 121 | Tick interrupt priority. |
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| 122 | (++) SysTick timer is used by default as source of time base, but user |
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| 123 | can eventually implement his proper time base source (a general purpose |
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| 124 | timer for example or other time source), keeping in mind that Time base |
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| 125 | duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and |
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| 126 | handled in milliseconds basis. |
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| 127 | (++) Time base configuration function (HAL_InitTick ()) is called automatically |
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| 128 | at the beginning of the program after reset by HAL_Init() or at any time |
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| 129 | when clock is configured, by HAL_RCC_ClockConfig(). |
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| 130 | (++) Source of time base is configured to generate interrupts at regular |
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| 131 | time intervals. Care must be taken if HAL_Delay() is called from a |
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| 132 | peripheral ISR process, the Tick interrupt line must have higher priority |
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| 133 | (numerically lower) than the peripheral interrupt. Otherwise the caller |
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| 134 | ISR process will be blocked. |
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| 135 | (++) functions affecting time base configurations are declared as __weak |
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| 136 | to make override possible in case of other implementations in user file. |
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| 137 | @endverbatim |
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| 138 | * @{ |
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| 139 | */ |
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| 140 | |||
| 141 | /** |
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| 142 | * @brief This function is used to initialize the HAL Library; it must be the first |
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| 143 | * instruction to be executed in the main program (before to call any other |
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| 144 | * HAL function), it performs the following: |
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| 145 | * Configure the Flash prefetch. |
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| 146 | * Configures the SysTick to generate an interrupt each 1 millisecond, |
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| 147 | * which is clocked by the HSI (at this stage, the clock is not yet |
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| 148 | * configured and thus the system is running from the internal HSI at 16 MHz). |
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| 149 | * Set NVIC Group Priority to 4. |
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| 150 | * Calls the HAL_MspInit() callback function defined in user file |
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| 151 | * "stm32f1xx_hal_msp.c" to do the global low level hardware initialization |
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| 152 | * |
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| 153 | * @note SysTick is used as time base for the HAL_Delay() function, the application |
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| 154 | * need to ensure that the SysTick time base is always set to 1 millisecond |
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| 155 | * to have correct HAL operation. |
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| 156 | * @retval HAL status |
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| 157 | */ |
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| 158 | HAL_StatusTypeDef HAL_Init(void) |
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| 159 | { |
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| 160 | /* Configure Flash prefetch */ |
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| 161 | #if (PREFETCH_ENABLE != 0) |
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| 162 | #if defined(STM32F101x6) || defined(STM32F101xB) || defined(STM32F101xE) || defined(STM32F101xG) || \ |
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| 163 | defined(STM32F102x6) || defined(STM32F102xB) || \ |
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| 164 | defined(STM32F103x6) || defined(STM32F103xB) || defined(STM32F103xE) || defined(STM32F103xG) || \ |
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| 165 | defined(STM32F105xC) || defined(STM32F107xC) |
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| 166 | |||
| 167 | /* Prefetch buffer is not available on value line devices */ |
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| 168 | __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); |
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| 169 | #endif |
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| 170 | #endif /* PREFETCH_ENABLE */ |
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| 171 | |||
| 172 | /* Set Interrupt Group Priority */ |
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| 173 | HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); |
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| 174 | |||
| 175 | /* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */ |
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| 176 | HAL_InitTick(TICK_INT_PRIORITY); |
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| 177 | |||
| 178 | /* Init the low level hardware */ |
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| 179 | HAL_MspInit(); |
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| 180 | |||
| 181 | /* Return function status */ |
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| 182 | return HAL_OK; |
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| 183 | } |
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| 184 | |||
| 185 | /** |
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| 186 | * @brief This function de-Initializes common part of the HAL and stops the systick. |
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| 187 | * of time base. |
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| 188 | * @note This function is optional. |
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| 189 | * @retval HAL status |
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| 190 | */ |
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| 191 | HAL_StatusTypeDef HAL_DeInit(void) |
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| 192 | { |
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| 193 | /* Reset of all peripherals */ |
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| 194 | __HAL_RCC_APB1_FORCE_RESET(); |
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| 195 | __HAL_RCC_APB1_RELEASE_RESET(); |
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| 196 | |||
| 197 | __HAL_RCC_APB2_FORCE_RESET(); |
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| 198 | __HAL_RCC_APB2_RELEASE_RESET(); |
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| 199 | |||
| 200 | #if defined(STM32F105xC) || defined(STM32F107xC) |
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| 201 | __HAL_RCC_AHB_FORCE_RESET(); |
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| 202 | __HAL_RCC_AHB_RELEASE_RESET(); |
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| 203 | #endif |
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| 204 | |||
| 205 | /* De-Init the low level hardware */ |
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| 206 | HAL_MspDeInit(); |
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| 207 | |||
| 208 | /* Return function status */ |
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| 209 | return HAL_OK; |
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| 210 | } |
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| 211 | |||
| 212 | /** |
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| 213 | * @brief Initialize the MSP. |
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| 214 | * @retval None |
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| 215 | */ |
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| 216 | __weak void HAL_MspInit(void) |
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| 217 | { |
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| 218 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 219 | the HAL_MspInit could be implemented in the user file |
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| 220 | */ |
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| 221 | } |
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| 222 | |||
| 223 | /** |
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| 224 | * @brief DeInitializes the MSP. |
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| 225 | * @retval None |
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| 226 | */ |
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| 227 | __weak void HAL_MspDeInit(void) |
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| 228 | { |
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| 229 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 230 | the HAL_MspDeInit could be implemented in the user file |
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| 231 | */ |
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| 232 | } |
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| 233 | |||
| 234 | /** |
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| 235 | * @brief This function configures the source of the time base. |
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| 236 | * The time source is configured to have 1ms time base with a dedicated |
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| 237 | * Tick interrupt priority. |
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| 238 | * @note This function is called automatically at the beginning of program after |
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| 239 | * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). |
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| 240 | * @note In the default implementation, SysTick timer is the source of time base. |
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| 241 | * It is used to generate interrupts at regular time intervals. |
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| 242 | * Care must be taken if HAL_Delay() is called from a peripheral ISR process, |
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| 243 | * The SysTick interrupt must have higher priority (numerically lower) |
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| 244 | * than the peripheral interrupt. Otherwise the caller ISR process will be blocked. |
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| 245 | * The function is declared as __weak to be overwritten in case of other |
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| 246 | * implementation in user file. |
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| 247 | * @param TickPriority Tick interrupt priority. |
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| 248 | * @retval HAL status |
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| 249 | */ |
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| 250 | __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) |
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| 251 | { |
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| 252 | /* Configure the SysTick to have interrupt in 1ms time basis*/ |
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| 253 | if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) > 0U) |
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| 254 | { |
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| 255 | return HAL_ERROR; |
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| 256 | } |
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| 257 | |||
| 258 | /* Configure the SysTick IRQ priority */ |
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| 259 | if (TickPriority < (1UL << __NVIC_PRIO_BITS)) |
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| 260 | { |
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| 261 | HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U); |
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| 262 | uwTickPrio = TickPriority; |
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| 263 | } |
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| 264 | else |
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| 265 | { |
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| 266 | return HAL_ERROR; |
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| 267 | } |
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| 268 | |||
| 269 | /* Return function status */ |
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| 270 | return HAL_OK; |
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| 271 | } |
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| 272 | |||
| 273 | /** |
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| 274 | * @} |
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| 275 | */ |
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| 276 | |||
| 277 | /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions |
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| 278 | * @brief HAL Control functions |
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| 279 | * |
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| 280 | @verbatim |
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| 281 | =============================================================================== |
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| 282 | ##### HAL Control functions ##### |
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| 283 | =============================================================================== |
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| 284 | [..] This section provides functions allowing to: |
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| 285 | (+) Provide a tick value in millisecond |
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| 286 | (+) Provide a blocking delay in millisecond |
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| 287 | (+) Suspend the time base source interrupt |
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| 288 | (+) Resume the time base source interrupt |
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| 289 | (+) Get the HAL API driver version |
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| 290 | (+) Get the device identifier |
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| 291 | (+) Get the device revision identifier |
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| 292 | (+) Enable/Disable Debug module during SLEEP mode |
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| 293 | (+) Enable/Disable Debug module during STOP mode |
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| 294 | (+) Enable/Disable Debug module during STANDBY mode |
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| 295 | |||
| 296 | @endverbatim |
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| 297 | * @{ |
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| 298 | */ |
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| 299 | |||
| 300 | /** |
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| 301 | * @brief This function is called to increment a global variable "uwTick" |
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| 302 | * used as application time base. |
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| 303 | * @note In the default implementation, this variable is incremented each 1ms |
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| 304 | * in SysTick ISR. |
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| 305 | * @note This function is declared as __weak to be overwritten in case of other |
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| 306 | * implementations in user file. |
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| 307 | * @retval None |
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| 308 | */ |
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| 309 | __weak void HAL_IncTick(void) |
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| 310 | { |
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| 311 | uwTick += uwTickFreq; |
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| 312 | } |
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| 313 | |||
| 314 | /** |
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| 315 | * @brief Provides a tick value in millisecond. |
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| 316 | * @note This function is declared as __weak to be overwritten in case of other |
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| 317 | * implementations in user file. |
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| 318 | * @retval tick value |
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| 319 | */ |
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| 320 | __weak uint32_t HAL_GetTick(void) |
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| 321 | { |
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| 322 | return uwTick; |
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| 323 | } |
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| 324 | |||
| 325 | /** |
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| 326 | * @brief This function returns a tick priority. |
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| 327 | * @retval tick priority |
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| 328 | */ |
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| 329 | uint32_t HAL_GetTickPrio(void) |
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| 330 | { |
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| 331 | return uwTickPrio; |
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| 332 | } |
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| 333 | |||
| 334 | /** |
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| 335 | * @brief Set new tick Freq. |
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| 336 | * @retval Status |
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| 337 | */ |
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| 338 | HAL_StatusTypeDef HAL_SetTickFreq(HAL_TickFreqTypeDef Freq) |
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| 339 | { |
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| 340 | HAL_StatusTypeDef status = HAL_OK; |
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| 341 | assert_param(IS_TICKFREQ(Freq)); |
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| 342 | |||
| 343 | if (uwTickFreq != Freq) |
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| 344 | { |
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| 345 | uwTickFreq = Freq; |
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| 346 | |||
| 347 | /* Apply the new tick Freq */ |
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| 348 | status = HAL_InitTick(uwTickPrio); |
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| 349 | } |
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| 350 | |||
| 351 | return status; |
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| 352 | } |
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| 353 | |||
| 354 | /** |
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| 355 | * @brief Return tick frequency. |
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| 356 | * @retval tick period in Hz |
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| 357 | */ |
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| 358 | HAL_TickFreqTypeDef HAL_GetTickFreq(void) |
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| 359 | { |
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| 360 | return uwTickFreq; |
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| 361 | } |
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| 362 | |||
| 363 | /** |
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| 364 | * @brief This function provides minimum delay (in milliseconds) based |
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| 365 | * on variable incremented. |
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| 366 | * @note In the default implementation , SysTick timer is the source of time base. |
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| 367 | * It is used to generate interrupts at regular time intervals where uwTick |
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| 368 | * is incremented. |
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| 369 | * @note This function is declared as __weak to be overwritten in case of other |
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| 370 | * implementations in user file. |
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| 371 | * @param Delay specifies the delay time length, in milliseconds. |
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| 372 | * @retval None |
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| 373 | */ |
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| 374 | __weak void HAL_Delay(uint32_t Delay) |
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| 375 | { |
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| 376 | uint32_t tickstart = HAL_GetTick(); |
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| 377 | uint32_t wait = Delay; |
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| 378 | |||
| 379 | /* Add a freq to guarantee minimum wait */ |
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| 380 | if (wait < HAL_MAX_DELAY) |
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| 381 | { |
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| 382 | wait += (uint32_t)(uwTickFreq); |
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| 383 | } |
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| 384 | |||
| 385 | while ((HAL_GetTick() - tickstart) < wait) |
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| 386 | { |
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| 387 | } |
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| 388 | } |
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| 389 | |||
| 390 | /** |
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| 391 | * @brief Suspend Tick increment. |
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| 392 | * @note In the default implementation , SysTick timer is the source of time base. It is |
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| 393 | * used to generate interrupts at regular time intervals. Once HAL_SuspendTick() |
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| 394 | * is called, the SysTick interrupt will be disabled and so Tick increment |
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| 395 | * is suspended. |
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| 396 | * @note This function is declared as __weak to be overwritten in case of other |
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| 397 | * implementations in user file. |
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| 398 | * @retval None |
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| 399 | */ |
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| 400 | __weak void HAL_SuspendTick(void) |
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| 401 | { |
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| 402 | /* Disable SysTick Interrupt */ |
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| 403 | CLEAR_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk); |
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| 404 | } |
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| 405 | |||
| 406 | /** |
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| 407 | * @brief Resume Tick increment. |
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| 408 | * @note In the default implementation , SysTick timer is the source of time base. It is |
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| 409 | * used to generate interrupts at regular time intervals. Once HAL_ResumeTick() |
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| 410 | * is called, the SysTick interrupt will be enabled and so Tick increment |
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| 411 | * is resumed. |
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| 412 | * @note This function is declared as __weak to be overwritten in case of other |
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| 413 | * implementations in user file. |
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| 414 | * @retval None |
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| 415 | */ |
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| 416 | __weak void HAL_ResumeTick(void) |
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| 417 | { |
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| 418 | /* Enable SysTick Interrupt */ |
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| 419 | SET_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk); |
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| 420 | } |
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| 421 | |||
| 422 | /** |
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| 423 | * @brief Returns the HAL revision |
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| 424 | * @retval version 0xXYZR (8bits for each decimal, R for RC) |
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| 425 | */ |
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| 426 | uint32_t HAL_GetHalVersion(void) |
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| 427 | { |
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| 428 | return __STM32F1xx_HAL_VERSION; |
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| 429 | } |
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| 430 | |||
| 431 | /** |
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| 432 | * @brief Returns the device revision identifier. |
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| 433 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 434 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 435 | * STM32F101xF/G and STM32F103xF/G |
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| 436 | * STM32F10xx4 and STM32F10xx6 |
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| 437 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 438 | * debug mode (not accessible by the user software in normal mode). |
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| 439 | * Refer to errata sheet of these devices for more details. |
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| 440 | * @retval Device revision identifier |
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| 441 | */ |
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| 442 | uint32_t HAL_GetREVID(void) |
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| 443 | { |
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| 444 | return ((DBGMCU->IDCODE) >> DBGMCU_IDCODE_REV_ID_Pos); |
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| 445 | } |
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| 446 | |||
| 447 | /** |
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| 448 | * @brief Returns the device identifier. |
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| 449 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 450 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 451 | * STM32F101xF/G and STM32F103xF/G |
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| 452 | * STM32F10xx4 and STM32F10xx6 |
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| 453 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 454 | * debug mode (not accessible by the user software in normal mode). |
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| 455 | * Refer to errata sheet of these devices for more details. |
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| 456 | * @retval Device identifier |
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| 457 | */ |
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| 458 | uint32_t HAL_GetDEVID(void) |
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| 459 | { |
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| 460 | return ((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); |
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| 461 | } |
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| 462 | |||
| 463 | /** |
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| 464 | * @brief Enable the Debug Module during SLEEP mode |
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| 465 | * @retval None |
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| 466 | */ |
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| 467 | void HAL_DBGMCU_EnableDBGSleepMode(void) |
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| 468 | { |
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| 469 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
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| 470 | } |
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| 471 | |||
| 472 | /** |
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| 473 | * @brief Disable the Debug Module during SLEEP mode |
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| 474 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 475 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 476 | * STM32F101xF/G and STM32F103xF/G |
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| 477 | * STM32F10xx4 and STM32F10xx6 |
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| 478 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 479 | * debug mode (not accessible by the user software in normal mode). |
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| 480 | * Refer to errata sheet of these devices for more details. |
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| 481 | * @retval None |
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| 482 | */ |
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| 483 | void HAL_DBGMCU_DisableDBGSleepMode(void) |
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| 484 | { |
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| 485 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
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| 486 | } |
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| 487 | |||
| 488 | /** |
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| 489 | * @brief Enable the Debug Module during STOP mode |
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| 490 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 491 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 492 | * STM32F101xF/G and STM32F103xF/G |
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| 493 | * STM32F10xx4 and STM32F10xx6 |
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| 494 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 495 | * debug mode (not accessible by the user software in normal mode). |
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| 496 | * Refer to errata sheet of these devices for more details. |
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| 497 | * Note: On all STM32F1 devices: |
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| 498 | * If the system tick timer interrupt is enabled during the Stop mode |
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| 499 | * debug (DBG_STOP bit set in the DBGMCU_CR register ), it will wakeup |
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| 500 | * the system from Stop mode. |
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| 501 | * Workaround: To debug the Stop mode, disable the system tick timer |
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| 502 | * interrupt. |
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| 503 | * Refer to errata sheet of these devices for more details. |
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| 504 | * Note: On all STM32F1 devices: |
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| 505 | * If the system tick timer interrupt is enabled during the Stop mode |
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| 506 | * debug (DBG_STOP bit set in the DBGMCU_CR register ), it will wakeup |
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| 507 | * the system from Stop mode. |
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| 508 | * Workaround: To debug the Stop mode, disable the system tick timer |
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| 509 | * interrupt. |
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| 510 | * Refer to errata sheet of these devices for more details. |
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| 511 | * @retval None |
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| 512 | */ |
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| 513 | void HAL_DBGMCU_EnableDBGStopMode(void) |
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| 514 | { |
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| 515 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
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| 516 | } |
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| 517 | |||
| 518 | /** |
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| 519 | * @brief Disable the Debug Module during STOP mode |
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| 520 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 521 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 522 | * STM32F101xF/G and STM32F103xF/G |
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| 523 | * STM32F10xx4 and STM32F10xx6 |
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| 524 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 525 | * debug mode (not accessible by the user software in normal mode). |
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| 526 | * Refer to errata sheet of these devices for more details. |
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| 527 | * @retval None |
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| 528 | */ |
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| 529 | void HAL_DBGMCU_DisableDBGStopMode(void) |
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| 530 | { |
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| 531 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
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| 532 | } |
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| 533 | |||
| 534 | /** |
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| 535 | * @brief Enable the Debug Module during STANDBY mode |
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| 536 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 537 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 538 | * STM32F101xF/G and STM32F103xF/G |
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| 539 | * STM32F10xx4 and STM32F10xx6 |
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| 540 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 541 | * debug mode (not accessible by the user software in normal mode). |
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| 542 | * Refer to errata sheet of these devices for more details. |
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| 543 | * @retval None |
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| 544 | */ |
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| 545 | void HAL_DBGMCU_EnableDBGStandbyMode(void) |
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| 546 | { |
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| 547 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
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| 548 | } |
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| 549 | |||
| 550 | /** |
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| 551 | * @brief Disable the Debug Module during STANDBY mode |
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| 552 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 553 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 554 | * STM32F101xF/G and STM32F103xF/G |
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| 555 | * STM32F10xx4 and STM32F10xx6 |
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| 556 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 557 | * debug mode (not accessible by the user software in normal mode). |
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| 558 | * Refer to errata sheet of these devices for more details. |
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| 559 | * @retval None |
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| 560 | */ |
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| 561 | void HAL_DBGMCU_DisableDBGStandbyMode(void) |
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| 562 | { |
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| 563 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
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| 564 | } |
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| 565 | |||
| 566 | /** |
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| 567 | * @brief Return the unique device identifier (UID based on 96 bits) |
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| 568 | * @param UID pointer to 3 words array. |
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| 569 | * @retval Device identifier |
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| 570 | */ |
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| 571 | void HAL_GetUID(uint32_t *UID) |
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| 572 | { |
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| 573 | UID[0] = (uint32_t)(READ_REG(*((uint32_t *)UID_BASE))); |
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| 574 | UID[1] = (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE + 4U)))); |
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| 575 | UID[2] = (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE + 8U)))); |
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| 576 | } |
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| 577 | |||
| 578 | /** |
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| 579 | * @} |
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| 580 | */ |
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| 581 | |||
| 582 | /** |
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| 583 | * @} |
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| 584 | */ |
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| 585 | |||
| 586 | #endif /* HAL_MODULE_ENABLED */ |
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| 587 | /** |
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| 588 | * @} |
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| 589 | */ |
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| 590 | |||
| 591 | /** |
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| 592 | * @} |
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| 593 | */ |
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| 594 | |||
| 595 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |