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| Rev | Author | Line No. | Line |
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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. |
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| 25 | * All rights reserved.</center></h2> |
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| 26 | * |
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| 27 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 28 | * the "License"; You may not use this file except in compliance with the |
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| 29 | * License. You may obtain a copy of the License at: |
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| 30 | * opensource.org/licenses/BSD-3-Clause |
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| 31 | * |
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| 32 | ****************************************************************************** |
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| 33 | */ |
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| 34 | |||
| 35 | /* Includes ------------------------------------------------------------------*/ |
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| 36 | #include "stm32f1xx_hal.h" |
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| 37 | |||
| 38 | /** @addtogroup STM32F1xx_HAL_Driver |
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| 39 | * @{ |
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| 40 | */ |
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| 41 | |||
| 42 | /** @defgroup HAL HAL |
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| 43 | * @brief HAL module driver. |
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| 44 | * @{ |
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| 45 | */ |
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| 46 | |||
| 47 | #ifdef HAL_MODULE_ENABLED |
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| 48 | |||
| 49 | /* Private typedef -----------------------------------------------------------*/ |
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| 50 | /* Private define ------------------------------------------------------------*/ |
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| 51 | |||
| 52 | /** @defgroup HAL_Private_Constants HAL Private Constants |
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| 53 | * @{ |
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| 54 | */ |
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| 55 | /** |
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| 56 | * @brief STM32F1xx HAL Driver version number V1.1.8 |
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| 57 | */ |
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| 58 | #define __STM32F1xx_HAL_VERSION_MAIN (0x01U) /*!< [31:24] main version */ |
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| 59 | #define __STM32F1xx_HAL_VERSION_SUB1 (0x01U) /*!< [23:16] sub1 version */ |
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| 60 | #define __STM32F1xx_HAL_VERSION_SUB2 (0x08U) /*!< [15:8] sub2 version */ |
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| 61 | #define __STM32F1xx_HAL_VERSION_RC (0x00U) /*!< [7:0] release candidate */ |
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| 62 | #define __STM32F1xx_HAL_VERSION ((__STM32F1xx_HAL_VERSION_MAIN << 24)\ |
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| 63 | |(__STM32F1xx_HAL_VERSION_SUB1 << 16)\ |
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| 64 | |(__STM32F1xx_HAL_VERSION_SUB2 << 8 )\ |
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| 65 | |(__STM32F1xx_HAL_VERSION_RC)) |
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| 66 | |||
| 67 | #define IDCODE_DEVID_MASK 0x00000FFFU |
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| 68 | |||
| 69 | /** |
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| 70 | * @} |
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| 71 | */ |
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| 72 | |||
| 73 | /* Private macro -------------------------------------------------------------*/ |
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| 74 | /* Private variables ---------------------------------------------------------*/ |
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| 75 | |||
| 76 | /** @defgroup HAL_Private_Variables HAL Private Variables |
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| 77 | * @{ |
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| 78 | */ |
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| 79 | __IO uint32_t uwTick; |
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| 80 | uint32_t uwTickPrio = (1UL << __NVIC_PRIO_BITS); /* Invalid PRIO */ |
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| 81 | HAL_TickFreqTypeDef uwTickFreq = HAL_TICK_FREQ_DEFAULT; /* 1KHz */ |
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| 82 | /** |
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| 83 | * @} |
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| 84 | */ |
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| 85 | /* Private function prototypes -----------------------------------------------*/ |
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| 86 | /* Exported functions ---------------------------------------------------------*/ |
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| 87 | |||
| 88 | /** @defgroup HAL_Exported_Functions HAL Exported Functions |
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| 89 | * @{ |
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| 90 | */ |
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| 91 | |||
| 92 | /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions |
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| 93 | * @brief Initialization and de-initialization functions |
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| 94 | * |
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| 95 | @verbatim |
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| 96 | =============================================================================== |
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| 97 | ##### Initialization and de-initialization functions ##### |
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| 98 | =============================================================================== |
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| 99 | [..] This section provides functions allowing to: |
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| 100 | (+) Initializes the Flash interface, the NVIC allocation and initial clock |
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| 101 | configuration. It initializes the systick also when timeout is needed |
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| 102 | and the backup domain when enabled. |
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| 103 | (+) de-Initializes common part of the HAL. |
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| 104 | (+) Configure The time base source to have 1ms time base with a dedicated |
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| 105 | Tick interrupt priority. |
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| 106 | (++) SysTick timer is used by default as source of time base, but user |
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| 107 | can eventually implement his proper time base source (a general purpose |
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| 108 | timer for example or other time source), keeping in mind that Time base |
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| 109 | duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and |
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| 110 | handled in milliseconds basis. |
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| 111 | (++) Time base configuration function (HAL_InitTick ()) is called automatically |
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| 112 | at the beginning of the program after reset by HAL_Init() or at any time |
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| 113 | when clock is configured, by HAL_RCC_ClockConfig(). |
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| 114 | (++) Source of time base is configured to generate interrupts at regular |
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| 115 | time intervals. Care must be taken if HAL_Delay() is called from a |
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| 116 | peripheral ISR process, the Tick interrupt line must have higher priority |
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| 117 | (numerically lower) than the peripheral interrupt. Otherwise the caller |
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| 118 | ISR process will be blocked. |
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| 119 | (++) functions affecting time base configurations are declared as __weak |
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| 120 | to make override possible in case of other implementations in user file. |
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| 121 | @endverbatim |
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| 122 | * @{ |
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| 123 | */ |
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| 124 | |||
| 125 | /** |
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| 126 | * @brief This function is used to initialize the HAL Library; it must be the first |
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| 127 | * instruction to be executed in the main program (before to call any other |
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| 128 | * HAL function), it performs the following: |
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| 129 | * Configure the Flash prefetch. |
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| 130 | * Configures the SysTick to generate an interrupt each 1 millisecond, |
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| 131 | * which is clocked by the HSI (at this stage, the clock is not yet |
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| 132 | * configured and thus the system is running from the internal HSI at 16 MHz). |
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| 133 | * Set NVIC Group Priority to 4. |
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| 134 | * Calls the HAL_MspInit() callback function defined in user file |
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| 135 | * "stm32f1xx_hal_msp.c" to do the global low level hardware initialization |
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| 136 | * |
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| 137 | * @note SysTick is used as time base for the HAL_Delay() function, the application |
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| 138 | * need to ensure that the SysTick time base is always set to 1 millisecond |
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| 139 | * to have correct HAL operation. |
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| 140 | * @retval HAL status |
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| 141 | */ |
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| 142 | HAL_StatusTypeDef HAL_Init(void) |
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| 143 | { |
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| 144 | /* Configure Flash prefetch */ |
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| 145 | #if (PREFETCH_ENABLE != 0) |
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| 146 | #if defined(STM32F101x6) || defined(STM32F101xB) || defined(STM32F101xE) || defined(STM32F101xG) || \ |
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| 147 | defined(STM32F102x6) || defined(STM32F102xB) || \ |
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| 148 | defined(STM32F103x6) || defined(STM32F103xB) || defined(STM32F103xE) || defined(STM32F103xG) || \ |
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| 149 | defined(STM32F105xC) || defined(STM32F107xC) |
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| 150 | |||
| 151 | /* Prefetch buffer is not available on value line devices */ |
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| 152 | __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); |
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| 153 | #endif |
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| 154 | #endif /* PREFETCH_ENABLE */ |
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| 155 | |||
| 156 | /* Set Interrupt Group Priority */ |
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| 157 | HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); |
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| 158 | |||
| 159 | /* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */ |
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| 160 | HAL_InitTick(TICK_INT_PRIORITY); |
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| 161 | |||
| 162 | /* Init the low level hardware */ |
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| 163 | HAL_MspInit(); |
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| 164 | |||
| 165 | /* Return function status */ |
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| 166 | return HAL_OK; |
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| 167 | } |
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| 168 | |||
| 169 | /** |
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| 170 | * @brief This function de-Initializes common part of the HAL and stops the systick. |
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| 171 | * of time base. |
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| 172 | * @note This function is optional. |
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| 173 | * @retval HAL status |
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| 174 | */ |
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| 175 | HAL_StatusTypeDef HAL_DeInit(void) |
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| 176 | { |
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| 177 | /* Reset of all peripherals */ |
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| 178 | __HAL_RCC_APB1_FORCE_RESET(); |
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| 179 | __HAL_RCC_APB1_RELEASE_RESET(); |
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| 180 | |||
| 181 | __HAL_RCC_APB2_FORCE_RESET(); |
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| 182 | __HAL_RCC_APB2_RELEASE_RESET(); |
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| 183 | |||
| 184 | #if defined(STM32F105xC) || defined(STM32F107xC) |
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| 185 | __HAL_RCC_AHB_FORCE_RESET(); |
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| 186 | __HAL_RCC_AHB_RELEASE_RESET(); |
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| 187 | #endif |
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| 188 | |||
| 189 | /* De-Init the low level hardware */ |
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| 190 | HAL_MspDeInit(); |
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| 191 | |||
| 192 | /* Return function status */ |
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| 193 | return HAL_OK; |
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| 194 | } |
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| 195 | |||
| 196 | /** |
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| 197 | * @brief Initialize the MSP. |
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| 198 | * @retval None |
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| 199 | */ |
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| 200 | __weak void HAL_MspInit(void) |
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| 201 | { |
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| 202 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 203 | the HAL_MspInit could be implemented in the user file |
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| 204 | */ |
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| 205 | } |
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| 206 | |||
| 207 | /** |
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| 208 | * @brief DeInitializes the MSP. |
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| 209 | * @retval None |
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| 210 | */ |
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| 211 | __weak void HAL_MspDeInit(void) |
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| 212 | { |
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| 213 | /* NOTE : This function should not be modified, when the callback is needed, |
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| 214 | the HAL_MspDeInit could be implemented in the user file |
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| 215 | */ |
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| 216 | } |
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| 217 | |||
| 218 | /** |
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| 219 | * @brief This function configures the source of the time base. |
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| 220 | * The time source is configured to have 1ms time base with a dedicated |
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| 221 | * Tick interrupt priority. |
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| 222 | * @note This function is called automatically at the beginning of program after |
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| 223 | * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). |
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| 224 | * @note In the default implementation, SysTick timer is the source of time base. |
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| 225 | * It is used to generate interrupts at regular time intervals. |
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| 226 | * Care must be taken if HAL_Delay() is called from a peripheral ISR process, |
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| 227 | * The SysTick interrupt must have higher priority (numerically lower) |
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| 228 | * than the peripheral interrupt. Otherwise the caller ISR process will be blocked. |
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| 229 | * The function is declared as __weak to be overwritten in case of other |
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| 230 | * implementation in user file. |
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| 231 | * @param TickPriority Tick interrupt priority. |
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| 232 | * @retval HAL status |
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| 233 | */ |
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| 234 | __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) |
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| 235 | { |
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| 236 | /* Configure the SysTick to have interrupt in 1ms time basis*/ |
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| 237 | if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) > 0U) |
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| 238 | { |
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| 239 | return HAL_ERROR; |
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| 240 | } |
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| 241 | |||
| 242 | /* Configure the SysTick IRQ priority */ |
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| 243 | if (TickPriority < (1UL << __NVIC_PRIO_BITS)) |
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| 244 | { |
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| 245 | HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U); |
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| 246 | uwTickPrio = TickPriority; |
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| 247 | } |
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| 248 | else |
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| 249 | { |
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| 250 | return HAL_ERROR; |
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| 251 | } |
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| 252 | |||
| 253 | /* Return function status */ |
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| 254 | return HAL_OK; |
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| 255 | } |
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| 256 | |||
| 257 | /** |
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| 258 | * @} |
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| 259 | */ |
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| 260 | |||
| 261 | /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions |
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| 262 | * @brief HAL Control functions |
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| 263 | * |
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| 264 | @verbatim |
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| 265 | =============================================================================== |
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| 266 | ##### HAL Control functions ##### |
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| 267 | =============================================================================== |
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| 268 | [..] This section provides functions allowing to: |
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| 269 | (+) Provide a tick value in millisecond |
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| 270 | (+) Provide a blocking delay in millisecond |
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| 271 | (+) Suspend the time base source interrupt |
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| 272 | (+) Resume the time base source interrupt |
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| 273 | (+) Get the HAL API driver version |
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| 274 | (+) Get the device identifier |
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| 275 | (+) Get the device revision identifier |
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| 276 | (+) Enable/Disable Debug module during SLEEP mode |
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| 277 | (+) Enable/Disable Debug module during STOP mode |
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| 278 | (+) Enable/Disable Debug module during STANDBY mode |
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| 279 | |||
| 280 | @endverbatim |
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| 281 | * @{ |
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| 282 | */ |
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| 283 | |||
| 284 | /** |
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| 285 | * @brief This function is called to increment a global variable "uwTick" |
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| 286 | * used as application time base. |
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| 287 | * @note In the default implementation, this variable is incremented each 1ms |
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| 288 | * in SysTick ISR. |
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| 289 | * @note This function is declared as __weak to be overwritten in case of other |
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| 290 | * implementations in user file. |
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| 291 | * @retval None |
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| 292 | */ |
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| 293 | __weak void HAL_IncTick(void) |
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| 294 | { |
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| 295 | uwTick += uwTickFreq; |
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| 296 | } |
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| 297 | |||
| 298 | /** |
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| 299 | * @brief Provides a tick value in millisecond. |
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| 300 | * @note This function is declared as __weak to be overwritten in case of other |
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| 301 | * implementations in user file. |
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| 302 | * @retval tick value |
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| 303 | */ |
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| 304 | __weak uint32_t HAL_GetTick(void) |
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| 305 | { |
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| 306 | return uwTick; |
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| 307 | } |
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| 308 | |||
| 309 | /** |
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| 310 | * @brief This function returns a tick priority. |
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| 311 | * @retval tick priority |
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| 312 | */ |
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| 313 | uint32_t HAL_GetTickPrio(void) |
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| 314 | { |
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| 315 | return uwTickPrio; |
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| 316 | } |
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| 317 | |||
| 318 | /** |
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| 319 | * @brief Set new tick Freq. |
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| 320 | * @retval status |
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| 321 | */ |
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| 322 | HAL_StatusTypeDef HAL_SetTickFreq(HAL_TickFreqTypeDef Freq) |
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| 323 | { |
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| 324 | HAL_StatusTypeDef status = HAL_OK; |
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| 325 | HAL_TickFreqTypeDef prevTickFreq; |
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| 326 | |||
| 327 | assert_param(IS_TICKFREQ(Freq)); |
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| 328 | |||
| 329 | if (uwTickFreq != Freq) |
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| 330 | { |
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| 331 | /* Back up uwTickFreq frequency */ |
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| 332 | prevTickFreq = uwTickFreq; |
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| 333 | |||
| 334 | /* Update uwTickFreq global variable used by HAL_InitTick() */ |
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| 335 | uwTickFreq = Freq; |
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| 336 | |||
| 337 | /* Apply the new tick Freq */ |
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| 338 | status = HAL_InitTick(uwTickPrio); |
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| 339 | |||
| 340 | if (status != HAL_OK) |
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| 341 | { |
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| 342 | /* Restore previous tick frequency */ |
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| 343 | uwTickFreq = prevTickFreq; |
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| 344 | } |
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| 345 | } |
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| 346 | |||
| 347 | return status; |
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| 348 | } |
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| 349 | |||
| 350 | /** |
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| 351 | * @brief Return tick frequency. |
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| 352 | * @retval tick period in Hz |
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| 353 | */ |
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| 354 | HAL_TickFreqTypeDef HAL_GetTickFreq(void) |
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| 355 | { |
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| 356 | return uwTickFreq; |
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| 357 | } |
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| 358 | |||
| 359 | /** |
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| 360 | * @brief This function provides minimum delay (in milliseconds) based |
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| 361 | * on variable incremented. |
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| 362 | * @note In the default implementation , SysTick timer is the source of time base. |
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| 363 | * It is used to generate interrupts at regular time intervals where uwTick |
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| 364 | * is incremented. |
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| 365 | * @note This function is declared as __weak to be overwritten in case of other |
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| 366 | * implementations in user file. |
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| 367 | * @param Delay specifies the delay time length, in milliseconds. |
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| 368 | * @retval None |
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| 369 | */ |
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| 370 | __weak void HAL_Delay(uint32_t Delay) |
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| 371 | { |
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| 372 | uint32_t tickstart = HAL_GetTick(); |
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| 373 | uint32_t wait = Delay; |
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| 374 | |||
| 375 | /* Add a freq to guarantee minimum wait */ |
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| 376 | if (wait < HAL_MAX_DELAY) |
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| 377 | { |
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| 378 | wait += (uint32_t)(uwTickFreq); |
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| 379 | } |
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| 380 | |||
| 381 | while ((HAL_GetTick() - tickstart) < wait) |
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| 382 | { |
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| 383 | } |
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| 384 | } |
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| 385 | |||
| 386 | /** |
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| 387 | * @brief Suspend Tick increment. |
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| 388 | * @note In the default implementation , SysTick timer is the source of time base. It is |
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| 389 | * used to generate interrupts at regular time intervals. Once HAL_SuspendTick() |
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| 390 | * is called, the SysTick interrupt will be disabled and so Tick increment |
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| 391 | * is suspended. |
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| 392 | * @note This function is declared as __weak to be overwritten in case of other |
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| 393 | * implementations in user file. |
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| 394 | * @retval None |
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| 395 | */ |
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| 396 | __weak void HAL_SuspendTick(void) |
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| 397 | { |
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| 398 | /* Disable SysTick Interrupt */ |
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| 399 | CLEAR_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk); |
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| 400 | } |
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| 401 | |||
| 402 | /** |
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| 403 | * @brief Resume Tick increment. |
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| 404 | * @note In the default implementation , SysTick timer is the source of time base. It is |
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| 405 | * used to generate interrupts at regular time intervals. Once HAL_ResumeTick() |
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| 406 | * is called, the SysTick interrupt will be enabled and so Tick increment |
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| 407 | * is resumed. |
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| 408 | * @note This function is declared as __weak to be overwritten in case of other |
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| 409 | * implementations in user file. |
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| 410 | * @retval None |
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| 411 | */ |
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| 412 | __weak void HAL_ResumeTick(void) |
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| 413 | { |
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| 414 | /* Enable SysTick Interrupt */ |
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| 415 | SET_BIT(SysTick->CTRL, SysTick_CTRL_TICKINT_Msk); |
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| 416 | } |
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| 417 | |||
| 418 | /** |
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| 419 | * @brief Returns the HAL revision |
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| 420 | * @retval version 0xXYZR (8bits for each decimal, R for RC) |
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| 421 | */ |
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| 422 | uint32_t HAL_GetHalVersion(void) |
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| 423 | { |
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| 424 | return __STM32F1xx_HAL_VERSION; |
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| 425 | } |
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| 426 | |||
| 427 | /** |
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| 428 | * @brief Returns the device revision identifier. |
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| 429 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 430 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 431 | * STM32F101xF/G and STM32F103xF/G |
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| 432 | * STM32F10xx4 and STM32F10xx6 |
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| 433 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 434 | * debug mode (not accessible by the user software in normal mode). |
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| 435 | * Refer to errata sheet of these devices for more details. |
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| 436 | * @retval Device revision identifier |
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| 437 | */ |
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| 438 | uint32_t HAL_GetREVID(void) |
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| 439 | { |
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| 440 | return ((DBGMCU->IDCODE) >> DBGMCU_IDCODE_REV_ID_Pos); |
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| 441 | } |
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| 442 | |||
| 443 | /** |
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| 444 | * @brief Returns the device identifier. |
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| 445 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 446 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 447 | * STM32F101xF/G and STM32F103xF/G |
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| 448 | * STM32F10xx4 and STM32F10xx6 |
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| 449 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 450 | * debug mode (not accessible by the user software in normal mode). |
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| 451 | * Refer to errata sheet of these devices for more details. |
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| 452 | * @retval Device identifier |
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| 453 | */ |
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| 454 | uint32_t HAL_GetDEVID(void) |
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| 455 | { |
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| 456 | return ((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); |
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| 457 | } |
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| 458 | |||
| 459 | /** |
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| 460 | * @brief Returns first word of the unique device identifier (UID based on 96 bits) |
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| 461 | * @retval Device identifier |
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| 462 | */ |
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| 463 | uint32_t HAL_GetUIDw0(void) |
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| 464 | { |
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| 465 | return(READ_REG(*((uint32_t *)UID_BASE))); |
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| 466 | } |
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| 467 | |||
| 468 | /** |
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| 469 | * @brief Returns second word of the unique device identifier (UID based on 96 bits) |
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| 470 | * @retval Device identifier |
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| 471 | */ |
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| 472 | uint32_t HAL_GetUIDw1(void) |
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| 473 | { |
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| 474 | return(READ_REG(*((uint32_t *)(UID_BASE + 4U)))); |
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| 475 | } |
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| 476 | |||
| 477 | /** |
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| 478 | * @brief Returns third word of the unique device identifier (UID based on 96 bits) |
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| 479 | * @retval Device identifier |
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| 480 | */ |
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| 481 | uint32_t HAL_GetUIDw2(void) |
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| 482 | { |
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| 483 | return(READ_REG(*((uint32_t *)(UID_BASE + 8U)))); |
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| 484 | } |
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| 485 | |||
| 486 | /** |
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| 487 | * @brief Enable the Debug Module during SLEEP mode |
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| 488 | * @retval None |
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| 489 | */ |
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| 490 | void HAL_DBGMCU_EnableDBGSleepMode(void) |
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| 491 | { |
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| 492 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
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| 493 | } |
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| 494 | |||
| 495 | /** |
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| 496 | * @brief Disable the Debug Module during SLEEP mode |
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| 497 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 498 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 499 | * STM32F101xF/G and STM32F103xF/G |
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| 500 | * STM32F10xx4 and STM32F10xx6 |
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| 501 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 502 | * debug mode (not accessible by the user software in normal mode). |
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| 503 | * Refer to errata sheet of these devices for more details. |
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| 504 | * @retval None |
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| 505 | */ |
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| 506 | void HAL_DBGMCU_DisableDBGSleepMode(void) |
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| 507 | { |
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| 508 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
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| 509 | } |
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| 510 | |||
| 511 | /** |
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| 512 | * @brief Enable the Debug Module during STOP mode |
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| 513 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 514 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 515 | * STM32F101xF/G and STM32F103xF/G |
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| 516 | * STM32F10xx4 and STM32F10xx6 |
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| 517 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 518 | * debug mode (not accessible by the user software in normal mode). |
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| 519 | * Refer to errata sheet of these devices for more details. |
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| 520 | * Note: On all STM32F1 devices: |
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| 521 | * If the system tick timer interrupt is enabled during the Stop mode |
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| 522 | * debug (DBG_STOP bit set in the DBGMCU_CR register ), it will wakeup |
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| 523 | * the system from Stop mode. |
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| 524 | * Workaround: To debug the Stop mode, disable the system tick timer |
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| 525 | * interrupt. |
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| 526 | * Refer to errata sheet of these devices for more details. |
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| 527 | * Note: On all STM32F1 devices: |
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| 528 | * If the system tick timer interrupt is enabled during the Stop mode |
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| 529 | * debug (DBG_STOP bit set in the DBGMCU_CR register ), it will wakeup |
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| 530 | * the system from Stop mode. |
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| 531 | * Workaround: To debug the Stop mode, disable the system tick timer |
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| 532 | * interrupt. |
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| 533 | * Refer to errata sheet of these devices for more details. |
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| 534 | * @retval None |
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| 535 | */ |
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| 536 | void HAL_DBGMCU_EnableDBGStopMode(void) |
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| 537 | { |
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| 538 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
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| 539 | } |
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| 540 | |||
| 541 | /** |
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| 542 | * @brief Disable the Debug Module during STOP mode |
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| 543 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 544 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 545 | * STM32F101xF/G and STM32F103xF/G |
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| 546 | * STM32F10xx4 and STM32F10xx6 |
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| 547 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 548 | * debug mode (not accessible by the user software in normal mode). |
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| 549 | * Refer to errata sheet of these devices for more details. |
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| 550 | * @retval None |
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| 551 | */ |
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| 552 | void HAL_DBGMCU_DisableDBGStopMode(void) |
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| 553 | { |
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| 554 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
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| 555 | } |
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| 556 | |||
| 557 | /** |
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| 558 | * @brief Enable the Debug Module during STANDBY mode |
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| 559 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 560 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 561 | * STM32F101xF/G and STM32F103xF/G |
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| 562 | * STM32F10xx4 and STM32F10xx6 |
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| 563 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 564 | * debug mode (not accessible by the user software in normal mode). |
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| 565 | * Refer to errata sheet of these devices for more details. |
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| 566 | * @retval None |
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| 567 | */ |
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| 568 | void HAL_DBGMCU_EnableDBGStandbyMode(void) |
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| 569 | { |
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| 570 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
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| 571 | } |
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| 572 | |||
| 573 | /** |
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| 574 | * @brief Disable the Debug Module during STANDBY mode |
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| 575 | * Note: On devices STM32F10xx8 and STM32F10xxB, |
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| 576 | * STM32F101xC/D/E and STM32F103xC/D/E, |
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| 577 | * STM32F101xF/G and STM32F103xF/G |
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| 578 | * STM32F10xx4 and STM32F10xx6 |
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| 579 | * Debug registers DBGMCU_IDCODE and DBGMCU_CR are accessible only in |
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| 580 | * debug mode (not accessible by the user software in normal mode). |
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| 581 | * Refer to errata sheet of these devices for more details. |
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| 582 | * @retval None |
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| 583 | */ |
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| 584 | void HAL_DBGMCU_DisableDBGStandbyMode(void) |
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| 585 | { |
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| 586 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
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| 587 | } |
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| 588 | |||
| 589 | /** |
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| 590 | * @} |
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| 591 | */ |
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| 592 | |||
| 593 | /** |
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| 594 | * @} |
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| 595 | */ |
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| 596 | |||
| 597 | #endif /* HAL_MODULE_ENABLED */ |
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| 598 | /** |
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| 599 | * @} |
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| 600 | */ |
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| 601 | |||
| 602 | /** |
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| 603 | * @} |
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| 604 | */ |
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| 605 | |||
| 606 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |