Rev 61 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 61 | Rev 77 | ||
|---|---|---|---|
| Line 1... | Line 1... | ||
| 1 | /** |
1 | /** |
| 2 | ****************************************************************************** |
2 | ****************************************************************************** |
| 3 | * @file stm32l1xx_hal.c |
3 | * @file stm32l1xx_hal.c |
| 4 | * @author MCD Application Team |
4 | * @author MCD Application Team |
| 5 | * @brief HAL module driver. |
5 | * @brief HAL module driver. |
| 6 | * This is the common part of the HAL initialization |
6 | * This is the common part of the HAL initialization |
| 7 | * |
7 | * |
| 8 | @verbatim |
8 | ****************************************************************************** |
| 9 | ============================================================================== |
9 | * @attention |
| 10 | ##### How to use this driver ##### |
10 | * |
| 11 | ============================================================================== |
11 | * Copyright (c) 2017 STMicroelectronics. |
| 12 | [..] |
12 | * All rights reserved. |
| 13 | The common HAL driver contains a set of generic and common APIs that can be |
13 | * |
| 14 | used by the PPP peripheral drivers and the user to start using the HAL. |
14 | * This software is licensed under terms that can be found in the LICENSE file |
| 15 | [..] |
15 | * in the root directory of this software component. |
| 16 | The HAL contains two APIs categories: |
16 | * If no LICENSE file comes with this software, it is provided AS-IS. |
| 17 | (+) Common HAL APIs |
17 | * |
| 18 | (+) Services HAL APIs |
18 | ****************************************************************************** |
| 19 | 19 | @verbatim |
|
| 20 | @endverbatim |
20 | ============================================================================== |
| 21 | ****************************************************************************** |
21 | ##### How to use this driver ##### |
| 22 | * @attention |
22 | ============================================================================== |
| 23 | * |
23 | [..] |
| 24 | * <h2><center>© Copyright (c) 2017 STMicroelectronics. |
24 | The common HAL driver contains a set of generic and common APIs that can be |
| 25 | * All rights reserved.</center></h2> |
25 | used by the PPP peripheral drivers and the user to start using the HAL. |
| 26 | * |
26 | [..] |
| 27 | * This software component is licensed by ST under BSD 3-Clause license, |
27 | The HAL contains two APIs categories: |
| 28 | * the "License"; You may not use this file except in compliance with the |
28 | (+) Common HAL APIs |
| 29 | * License. You may obtain a copy of the License at: |
29 | (+) Services HAL APIs |
| 30 | * opensource.org/licenses/BSD-3-Clause |
30 | |
| 31 | * |
31 | @endverbatim |
| 32 | ****************************************************************************** |
32 | ****************************************************************************** |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | /* Includes ------------------------------------------------------------------*/ |
35 | /* Includes ------------------------------------------------------------------*/ |
| 36 | #include "stm32l1xx_hal.h" |
36 | #include "stm32l1xx_hal.h" |
| 37 | 37 | ||
| 38 | /** @addtogroup STM32L1xx_HAL_Driver |
38 | /** @addtogroup STM32L1xx_HAL_Driver |
| 39 | * @{ |
39 | * @{ |
| 40 | */ |
40 | */ |
| 41 | 41 | ||
| 42 | /** @defgroup HAL HAL |
42 | /** @defgroup HAL HAL |
| 43 | * @brief HAL module driver. |
43 | * @brief HAL module driver. |
| 44 | * @{ |
44 | * @{ |
| 45 | */ |
45 | */ |
| 46 | 46 | ||
| 47 | #ifdef HAL_MODULE_ENABLED |
47 | #ifdef HAL_MODULE_ENABLED |
| 48 | 48 | ||
| 49 | /* Private typedef -----------------------------------------------------------*/ |
49 | /* Private typedef -----------------------------------------------------------*/ |
| 50 | /* Private define ------------------------------------------------------------*/ |
50 | /* Private define ------------------------------------------------------------*/ |
| 51 | 51 | ||
| 52 | /** @defgroup HAL_Private_Defines HAL Private Defines |
52 | /** @defgroup HAL_Private_Defines HAL Private Defines |
| 53 | * @{ |
53 | * @{ |
| 54 | */ |
54 | */ |
| 55 | 55 | ||
| 56 | /** |
56 | /** |
| 57 | * @brief STM32L1xx HAL Driver version number V1.4.4 |
57 | * @brief STM32L1xx HAL Driver version number |
| 58 | */ |
58 | */ |
| 59 | #define __STM32L1xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */ |
59 | #define __STM32L1xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */ |
| 60 | #define __STM32L1xx_HAL_VERSION_SUB1 (0x04) /*!< [23:16] sub1 version */ |
60 | #define __STM32L1xx_HAL_VERSION_SUB1 (0x04) /*!< [23:16] sub1 version */ |
| 61 | #define __STM32L1xx_HAL_VERSION_SUB2 (0x04) /*!< [15:8] sub2 version */ |
61 | #define __STM32L1xx_HAL_VERSION_SUB2 (0x05) /*!< [15:8] sub2 version */ |
| 62 | #define __STM32L1xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */ |
62 | #define __STM32L1xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */ |
| 63 | #define __STM32L1xx_HAL_VERSION ((__STM32L1xx_HAL_VERSION_MAIN << 24)\ |
63 | #define __STM32L1xx_HAL_VERSION ((__STM32L1xx_HAL_VERSION_MAIN << 24)\ |
| 64 | |(__STM32L1xx_HAL_VERSION_SUB1 << 16)\ |
64 | |(__STM32L1xx_HAL_VERSION_SUB1 << 16)\ |
| 65 | |(__STM32L1xx_HAL_VERSION_SUB2 << 8 )\ |
65 | |(__STM32L1xx_HAL_VERSION_SUB2 << 8 )\ |
| 66 | |(__STM32L1xx_HAL_VERSION_RC)) |
66 | |(__STM32L1xx_HAL_VERSION_RC)) |
| 67 | 67 | ||
| 68 | #define IDCODE_DEVID_MASK (0x00000FFFU) |
68 | #define IDCODE_DEVID_MASK (0x00000FFFU) |
| 69 | 69 | ||
| 70 | /** |
70 | /** |
| 71 | * @} |
71 | * @} |
| 72 | */ |
72 | */ |
| 73 | 73 | ||
| 74 | /* Private macro -------------------------------------------------------------*/ |
74 | /* Private macro -------------------------------------------------------------*/ |
| 75 | /* Private variables ---------------------------------------------------------*/ |
75 | /* Private variables ---------------------------------------------------------*/ |
| 76 | /* Private function prototypes -----------------------------------------------*/ |
76 | /* Private function prototypes -----------------------------------------------*/ |
| 77 | /* Private functions ---------------------------------------------------------*/ |
77 | /* Private functions ---------------------------------------------------------*/ |
| 78 | 78 | ||
| 79 | /* Exported variables --------------------------------------------------------*/ |
79 | /* Exported variables --------------------------------------------------------*/ |
| 80 | /** @addtogroup HAL_Exported_Variables |
80 | /** @addtogroup HAL_Exported_Variables |
| 81 | * @{ |
81 | * @{ |
| 82 | */ |
82 | */ |
| 83 | __IO uint32_t uwTick; |
83 | __IO uint32_t uwTick; |
| 84 | uint32_t uwTickPrio = (1UL << __NVIC_PRIO_BITS); /* Invalid priority */ |
84 | uint32_t uwTickPrio = (1UL << __NVIC_PRIO_BITS); /* Invalid priority */ |
| 85 | uint32_t uwTickFreq = HAL_TICK_FREQ_DEFAULT; /* 1KHz */ |
85 | uint32_t uwTickFreq = HAL_TICK_FREQ_DEFAULT; /* 1KHz */ |
| 86 | /** |
86 | /** |
| 87 | * @} |
87 | * @} |
| 88 | */ |
88 | */ |
| 89 | 89 | ||
| 90 | /* Exported functions --------------------------------------------------------*/ |
90 | /* Exported functions --------------------------------------------------------*/ |
| 91 | /** @defgroup HAL_Exported_Functions HAL Exported Functions |
91 | /** @defgroup HAL_Exported_Functions HAL Exported Functions |
| 92 | * @{ |
92 | * @{ |
| 93 | */ |
93 | */ |
| 94 | 94 | ||
| 95 | /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions |
95 | /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions |
| 96 | * @brief Initialization and de-initialization functions |
96 | * @brief Initialization and de-initialization functions |
| 97 | * |
97 | * |
| 98 | @verbatim |
98 | @verbatim |
| 99 | =============================================================================== |
99 | =============================================================================== |
| 100 | ##### Initialization and de-initialization functions ##### |
100 | ##### Initialization and de-initialization functions ##### |
| 101 | =============================================================================== |
101 | =============================================================================== |
| 102 | [..] This section provides functions allowing to: |
102 | [..] This section provides functions allowing to: |
| 103 | (+) Initialize the Flash interface, the NVIC allocation and initial clock |
103 | (+) Initialize the Flash interface, the NVIC allocation and initial clock |
| 104 | configuration. It initializes the source of time base also when timeout |
104 | configuration. It initializes the source of time base also when timeout |
| 105 | is needed and the backup domain when enabled. |
105 | is needed and the backup domain when enabled. |
| 106 | (+) De-initialize common part of the HAL. |
106 | (+) De-initialize common part of the HAL. |
| 107 | (+) Configure the time base source to have 1ms time base with a dedicated |
107 | (+) Configure the time base source to have 1ms time base with a dedicated |
| 108 | Tick interrupt priority. |
108 | Tick interrupt priority. |
| 109 | (++) SysTick timer is used by default as source of time base, but user |
109 | (++) SysTick timer is used by default as source of time base, but user |
| 110 | can eventually implement his proper time base source (a general purpose |
110 | can eventually implement his proper time base source (a general purpose |
| 111 | timer for example or other time source), keeping in mind that Time base |
111 | timer for example or other time source), keeping in mind that Time base |
| 112 | duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and |
112 | duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and |
| 113 | handled in milliseconds basis. |
113 | handled in milliseconds basis. |
| 114 | (++) Time base configuration function (HAL_InitTick ()) is called automatically |
114 | (++) Time base configuration function (HAL_InitTick ()) is called automatically |
| 115 | at the beginning of the program after reset by HAL_Init() or at any time |
115 | at the beginning of the program after reset by HAL_Init() or at any time |
| 116 | when clock is configured, by HAL_RCC_ClockConfig(). |
116 | when clock is configured, by HAL_RCC_ClockConfig(). |
| 117 | (++) Source of time base is configured to generate interrupts at regular |
117 | (++) Source of time base is configured to generate interrupts at regular |
| 118 | time intervals. Care must be taken if HAL_Delay() is called from a |
118 | time intervals. Care must be taken if HAL_Delay() is called from a |
| 119 | peripheral ISR process, the Tick interrupt line must have higher priority |
119 | peripheral ISR process, the Tick interrupt line must have higher priority |
| 120 | (numerically lower) than the peripheral interrupt. Otherwise the caller |
120 | (numerically lower) than the peripheral interrupt. Otherwise the caller |
| 121 | ISR process will be blocked. |
121 | ISR process will be blocked. |
| 122 | (++) functions affecting time base configurations are declared as __weak |
122 | (++) functions affecting time base configurations are declared as __weak |
| 123 | to make override possible in case of other implementations in user file. |
123 | to make override possible in case of other implementations in user file. |
| 124 | 124 | ||
| 125 | @endverbatim |
125 | @endverbatim |
| 126 | * @{ |
126 | * @{ |
| 127 | */ |
127 | */ |
| 128 | 128 | ||
| 129 | /** |
129 | /** |
| 130 | * @brief This function configures the Flash prefetch, |
130 | * @brief This function configures the Flash prefetch, |
| 131 | * configures time base source, NVIC and Low level hardware |
131 | * configures time base source, NVIC and Low level hardware |
| 132 | * @note This function is called at the beginning of program after reset and before |
132 | * @note This function is called at the beginning of program after reset and before |
| 133 | * the clock configuration |
133 | * the clock configuration |
| 134 | * @note The time base configuration is based on MSI clock when exiting from Reset. |
134 | * @note The time base configuration is based on MSI clock when exiting from Reset. |
| 135 | * Once done, time base tick start incrementing. |
135 | * Once done, time base tick start incrementing. |
| 136 | * In the default implementation,Systick is used as source of time base. |
136 | * In the default implementation,Systick is used as source of time base. |
| 137 | * the tick variable is incremented each 1ms in its ISR. |
137 | * the tick variable is incremented each 1ms in its ISR. |
| 138 | * @retval HAL status |
138 | * @retval HAL status |
| 139 | */ |
139 | */ |
| 140 | HAL_StatusTypeDef HAL_Init(void) |
140 | HAL_StatusTypeDef HAL_Init(void) |
| 141 | { |
141 | { |
| 142 | HAL_StatusTypeDef status = HAL_OK; |
142 | HAL_StatusTypeDef status = HAL_OK; |
| 143 | 143 | ||
| 144 | /* Configure Flash prefetch */ |
144 | /* Configure Flash prefetch */ |
| 145 | #if (PREFETCH_ENABLE != 0) |
145 | #if (PREFETCH_ENABLE != 0) |
| 146 | __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); |
146 | __HAL_FLASH_PREFETCH_BUFFER_ENABLE(); |
| 147 | #endif /* PREFETCH_ENABLE */ |
147 | #endif /* PREFETCH_ENABLE */ |
| 148 | 148 | ||
| 149 | /* Set Interrupt Group Priority */ |
149 | /* Set Interrupt Group Priority */ |
| 150 | HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); |
150 | HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); |
| 151 | 151 | ||
| 152 | /* Use systick as time base source and configure 1ms tick (default clock after Reset is MSI) */ |
152 | /* Use systick as time base source and configure 1ms tick (default clock after Reset is MSI) */ |
| 153 | if (HAL_InitTick(TICK_INT_PRIORITY) != HAL_OK) |
153 | if (HAL_InitTick(TICK_INT_PRIORITY) != HAL_OK) |
| 154 | { |
154 | { |
| 155 | status = HAL_ERROR; |
155 | status = HAL_ERROR; |
| 156 | } |
156 | } |
| 157 | else |
157 | else |
| 158 | { |
158 | { |
| 159 | /* Init the low level hardware */ |
159 | /* Init the low level hardware */ |
| 160 | HAL_MspInit(); |
160 | HAL_MspInit(); |
| 161 | } |
161 | } |
| 162 | 162 | ||
| 163 | /* Return function status */ |
163 | /* Return function status */ |
| 164 | return status; |
164 | return status; |
| 165 | } |
165 | } |
| 166 | 166 | ||
| 167 | /** |
167 | /** |
| 168 | * @brief This function de-initializes common part of the HAL and stops the source |
168 | * @brief This function de-initializes common part of the HAL and stops the source |
| 169 | * of time base. |
169 | * of time base. |
| 170 | * @note This function is optional. |
170 | * @note This function is optional. |
| 171 | * @retval HAL status |
171 | * @retval HAL status |
| 172 | */ |
172 | */ |
| 173 | HAL_StatusTypeDef HAL_DeInit(void) |
173 | HAL_StatusTypeDef HAL_DeInit(void) |
| 174 | { |
174 | { |
| 175 | /* Reset of all peripherals */ |
175 | /* Reset of all peripherals */ |
| 176 | __HAL_RCC_APB1_FORCE_RESET(); |
176 | __HAL_RCC_APB1_FORCE_RESET(); |
| 177 | __HAL_RCC_APB1_RELEASE_RESET(); |
177 | __HAL_RCC_APB1_RELEASE_RESET(); |
| 178 | 178 | ||
| 179 | __HAL_RCC_APB2_FORCE_RESET(); |
179 | __HAL_RCC_APB2_FORCE_RESET(); |
| 180 | __HAL_RCC_APB2_RELEASE_RESET(); |
180 | __HAL_RCC_APB2_RELEASE_RESET(); |
| 181 | 181 | ||
| 182 | __HAL_RCC_AHB_FORCE_RESET(); |
182 | __HAL_RCC_AHB_FORCE_RESET(); |
| 183 | __HAL_RCC_AHB_RELEASE_RESET(); |
183 | __HAL_RCC_AHB_RELEASE_RESET(); |
| 184 | 184 | ||
| 185 | /* De-Init the low level hardware */ |
185 | /* De-Init the low level hardware */ |
| 186 | HAL_MspDeInit(); |
186 | HAL_MspDeInit(); |
| 187 | 187 | ||
| 188 | /* Return function status */ |
188 | /* Return function status */ |
| 189 | return HAL_OK; |
189 | return HAL_OK; |
| 190 | } |
190 | } |
| 191 | 191 | ||
| 192 | /** |
192 | /** |
| 193 | * @brief Initialize the MSP. |
193 | * @brief Initialize the MSP. |
| 194 | * @retval None |
194 | * @retval None |
| 195 | */ |
195 | */ |
| 196 | __weak void HAL_MspInit(void) |
196 | __weak void HAL_MspInit(void) |
| 197 | { |
197 | { |
| 198 | /* NOTE : This function should not be modified, when the callback is needed, |
198 | /* NOTE : This function should not be modified, when the callback is needed, |
| 199 | the HAL_MspInit could be implemented in the user file |
199 | the HAL_MspInit could be implemented in the user file |
| 200 | */ |
200 | */ |
| 201 | } |
201 | } |
| 202 | 202 | ||
| 203 | /** |
203 | /** |
| 204 | * @brief DeInitialize the MSP. |
204 | * @brief DeInitialize the MSP. |
| 205 | * @retval None |
205 | * @retval None |
| 206 | */ |
206 | */ |
| 207 | __weak void HAL_MspDeInit(void) |
207 | __weak void HAL_MspDeInit(void) |
| 208 | { |
208 | { |
| 209 | /* NOTE : This function should not be modified, when the callback is needed, |
209 | /* NOTE : This function should not be modified, when the callback is needed, |
| 210 | the HAL_MspDeInit could be implemented in the user file |
210 | the HAL_MspDeInit could be implemented in the user file |
| 211 | */ |
211 | */ |
| 212 | } |
212 | } |
| 213 | 213 | ||
| 214 | /** |
214 | /** |
| 215 | * @brief This function configures the source of the time base: |
215 | * @brief This function configures the source of the time base: |
| 216 | * The time source is configured to have 1ms time base with a dedicated |
216 | * The time source is configured to have 1ms time base with a dedicated |
| 217 | * Tick interrupt priority. |
217 | * Tick interrupt priority. |
| 218 | * @note This function is called automatically at the beginning of program after |
218 | * @note This function is called automatically at the beginning of program after |
| 219 | * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). |
219 | * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). |
| 220 | * @note In the default implementation, SysTick timer is the source of time base. |
220 | * @note In the default implementation, SysTick timer is the source of time base. |
| 221 | * It is used to generate interrupts at regular time intervals. |
221 | * It is used to generate interrupts at regular time intervals. |
| 222 | * Care must be taken if HAL_Delay() is called from a peripheral ISR process, |
222 | * Care must be taken if HAL_Delay() is called from a peripheral ISR process, |
| 223 | * The SysTick interrupt must have higher priority (numerically lower) |
223 | * The SysTick interrupt must have higher priority (numerically lower) |
| 224 | * than the peripheral interrupt. Otherwise the caller ISR process will be blocked. |
224 | * than the peripheral interrupt. Otherwise the caller ISR process will be blocked. |
| 225 | * The function is declared as __weak to be overwritten in case of other |
225 | * The function is declared as __weak to be overwritten in case of other |
| 226 | * implementation in user file. |
226 | * implementation in user file. |
| 227 | * @param TickPriority Tick interrupt priority. |
227 | * @param TickPriority Tick interrupt priority. |
| 228 | * @retval HAL status |
228 | * @retval HAL status |
| 229 | */ |
229 | */ |
| 230 | __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) |
230 | __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) |
| 231 | { |
231 | { |
| 232 | HAL_StatusTypeDef status = HAL_OK; |
232 | HAL_StatusTypeDef status = HAL_OK; |
| 233 | 233 | ||
| 234 | if (uwTickFreq != 0U) |
234 | if (uwTickFreq != 0U) |
| 235 | { |
235 | { |
| 236 | /*Configure the SysTick to have interrupt in 1ms time basis*/ |
236 | /*Configure the SysTick to have interrupt in 1ms time basis*/ |
| 237 | if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) == 0U) |
237 | if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) == 0U) |
| 238 | { |
238 | { |
| 239 | /* Configure the SysTick IRQ priority */ |
239 | /* Configure the SysTick IRQ priority */ |
| 240 | if (TickPriority < (1UL << __NVIC_PRIO_BITS)) |
240 | if (TickPriority < (1UL << __NVIC_PRIO_BITS)) |
| 241 | { |
241 | { |
| 242 | HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U); |
242 | HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U); |
| 243 | uwTickPrio = TickPriority; |
243 | uwTickPrio = TickPriority; |
| 244 | } |
244 | } |
| 245 | else |
245 | else |
| 246 | { |
246 | { |
| 247 | status = HAL_ERROR; |
247 | status = HAL_ERROR; |
| 248 | } |
248 | } |
| 249 | } |
249 | } |
| 250 | else |
250 | else |
| 251 | { |
251 | { |
| 252 | status = HAL_ERROR; |
252 | status = HAL_ERROR; |
| 253 | } |
253 | } |
| 254 | } |
254 | } |
| 255 | else |
255 | else |
| 256 | { |
256 | { |
| 257 | status = HAL_ERROR; |
257 | status = HAL_ERROR; |
| 258 | } |
258 | } |
| 259 | 259 | ||
| 260 | /* Return function status */ |
260 | /* Return function status */ |
| 261 | return status; |
261 | return status; |
| 262 | } |
262 | } |
| 263 | 263 | ||
| 264 | /** |
264 | /** |
| 265 | * @} |
265 | * @} |
| 266 | */ |
266 | */ |
| 267 | 267 | ||
| 268 | /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions |
268 | /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions |
| 269 | * @brief HAL Control functions |
269 | * @brief HAL Control functions |
| 270 | * |
270 | * |
| 271 | @verbatim |
271 | @verbatim |
| 272 | =============================================================================== |
272 | =============================================================================== |
| 273 | ##### HAL Control functions ##### |
273 | ##### HAL Control functions ##### |
| 274 | =============================================================================== |
274 | =============================================================================== |
| 275 | [..] This section provides functions allowing to: |
275 | [..] This section provides functions allowing to: |
| 276 | (+) Provide a tick value in millisecond |
276 | (+) Provide a tick value in millisecond |
| 277 | (+) Provide a blocking delay in millisecond |
277 | (+) Provide a blocking delay in millisecond |
| 278 | (+) Suspend the time base source interrupt |
278 | (+) Suspend the time base source interrupt |
| 279 | (+) Resume the time base source interrupt |
279 | (+) Resume the time base source interrupt |
| 280 | (+) Get the HAL API driver version |
280 | (+) Get the HAL API driver version |
| 281 | (+) Get the device identifier |
281 | (+) Get the device identifier |
| 282 | (+) Get the device revision identifier |
282 | (+) Get the device revision identifier |
| 283 | (+) Get the unique device identifier |
283 | (+) Get the unique device identifier |
| 284 | 284 | ||
| 285 | @endverbatim |
285 | @endverbatim |
| 286 | * @{ |
286 | * @{ |
| 287 | */ |
287 | */ |
| 288 | 288 | ||
| 289 | /** |
289 | /** |
| 290 | * @brief This function is called to increment a global variable "uwTick" |
290 | * @brief This function is called to increment a global variable "uwTick" |
| 291 | * used as application time base. |
291 | * used as application time base. |
| 292 | * @note In the default implementation, this variable is incremented each 1ms |
292 | * @note In the default implementation, this variable is incremented each 1ms |
| 293 | * in SysTick ISR. |
293 | * in SysTick ISR. |
| 294 | * @note This function is declared as __weak to be overwritten in case of other |
294 | * @note This function is declared as __weak to be overwritten in case of other |
| 295 | * implementations in user file. |
295 | * implementations in user file. |
| 296 | * @retval None |
296 | * @retval None |
| 297 | */ |
297 | */ |
| 298 | __weak void HAL_IncTick(void) |
298 | __weak void HAL_IncTick(void) |
| 299 | { |
299 | { |
| 300 | uwTick += uwTickFreq; |
300 | uwTick += uwTickFreq; |
| 301 | } |
301 | } |
| 302 | 302 | ||
| 303 | /** |
303 | /** |
| 304 | * @brief Provide a tick value in millisecond. |
304 | * @brief Provide a tick value in millisecond. |
| 305 | * @note This function is declared as __weak to be overwritten in case of other |
305 | * @note This function is declared as __weak to be overwritten in case of other |
| 306 | * implementations in user file. |
306 | * implementations in user file. |
| 307 | * @retval tick value |
307 | * @retval tick value |
| 308 | */ |
308 | */ |
| 309 | __weak uint32_t HAL_GetTick(void) |
309 | __weak uint32_t HAL_GetTick(void) |
| 310 | { |
310 | { |
| 311 | return uwTick; |
311 | return uwTick; |
| 312 | } |
312 | } |
| 313 | 313 | ||
| 314 | /** |
314 | /** |
| 315 | * @brief This function returns a tick priority. |
315 | * @brief This function returns a tick priority. |
| 316 | * @retval tick priority |
316 | * @retval tick priority |
| 317 | */ |
317 | */ |
| 318 | uint32_t HAL_GetTickPrio(void) |
318 | uint32_t HAL_GetTickPrio(void) |
| 319 | { |
319 | { |
| 320 | return uwTickPrio; |
320 | return uwTickPrio; |
| 321 | } |
321 | } |
| 322 | 322 | ||
| 323 | /** |
323 | /** |
| 324 | * @brief Set new tick Freq. |
324 | * @brief Set new tick Freq. |
| 325 | * @param Freq tick frequency |
325 | * @param Freq tick frequency |
| 326 | * @retval HAL status |
326 | * @retval HAL status |
| 327 | */ |
327 | */ |
| 328 | HAL_StatusTypeDef HAL_SetTickFreq(uint32_t Freq) |
328 | HAL_StatusTypeDef HAL_SetTickFreq(uint32_t Freq) |
| 329 | { |
329 | { |
| 330 | HAL_StatusTypeDef status = HAL_OK; |
330 | HAL_StatusTypeDef status = HAL_OK; |
| 331 | uint32_t prevTickFreq; |
331 | uint32_t prevTickFreq; |
| 332 | 332 | ||
| 333 | assert_param(IS_TICKFREQ(Freq)); |
333 | assert_param(IS_TICKFREQ(Freq)); |
| 334 | 334 | ||
| 335 | if (uwTickFreq != Freq) |
335 | if (uwTickFreq != Freq) |
| 336 | { |
336 | { |
| 337 | /* Back up uwTickFreq frequency */ |
337 | /* Back up uwTickFreq frequency */ |
| 338 | prevTickFreq = uwTickFreq; |
338 | prevTickFreq = uwTickFreq; |
| 339 | 339 | ||
| 340 | /* Update uwTickFreq global variable used by HAL_InitTick() */ |
340 | /* Update uwTickFreq global variable used by HAL_InitTick() */ |
| 341 | uwTickFreq = Freq; |
341 | uwTickFreq = Freq; |
| 342 | 342 | ||
| 343 | /* Apply the new tick Freq */ |
343 | /* Apply the new tick Freq */ |
| 344 | status = HAL_InitTick(uwTickPrio); |
344 | status = HAL_InitTick(uwTickPrio); |
| 345 | 345 | ||
| 346 | if (status != HAL_OK) |
346 | if (status != HAL_OK) |
| 347 | { |
347 | { |
| 348 | /* Restore previous tick frequency */ |
348 | /* Restore previous tick frequency */ |
| 349 | uwTickFreq = prevTickFreq; |
349 | uwTickFreq = prevTickFreq; |
| 350 | } |
350 | } |
| 351 | } |
351 | } |
| 352 | 352 | ||
| 353 | return status; |
353 | return status; |
| 354 | } |
354 | } |
| 355 | 355 | ||
| 356 | /** |
356 | /** |
| 357 | * @brief Return tick frequency. |
357 | * @brief Return tick frequency. |
| 358 | * @retval tick period in Hz |
358 | * @retval Tick frequency. |
| 359 | */ |
359 | * Value of @ref HAL_TickFreqTypeDef. |
| 360 | uint32_t HAL_GetTickFreq(void) |
360 | */ |
| 361 | { |
361 | uint32_t HAL_GetTickFreq(void) |
| 362 | return uwTickFreq; |
362 | { |
| 363 | } |
363 | return uwTickFreq; |
| 364 | 364 | } |
|
| 365 | /** |
365 | |
| 366 | * @brief This function provides minimum delay (in milliseconds) based |
366 | /** |
| 367 | * on variable incremented. |
367 | * @brief This function provides minimum delay (in milliseconds) based |
| 368 | * @note In the default implementation , SysTick timer is the source of time base. |
368 | * on variable incremented. |
| 369 | * It is used to generate interrupts at regular time intervals where uwTick |
369 | * @note In the default implementation , SysTick timer is the source of time base. |
| 370 | * is incremented. |
370 | * It is used to generate interrupts at regular time intervals where uwTick |
| 371 | * @note This function is declared as __weak to be overwritten in case of other |
371 | * is incremented. |
| 372 | * implementations in user file. |
372 | * @note This function is declared as __weak to be overwritten in case of other |
| 373 | * @param Delay specifies the delay time length, in milliseconds. |
373 | * implementations in user file. |
| 374 | * @retval None |
374 | * @param Delay specifies the delay time length, in milliseconds. |
| 375 | */ |
375 | * @retval None |
| 376 | __weak void HAL_Delay(uint32_t Delay) |
376 | */ |
| 377 | { |
377 | __weak void HAL_Delay(uint32_t Delay) |
| 378 | uint32_t tickstart = HAL_GetTick(); |
378 | { |
| 379 | uint32_t wait = Delay; |
379 | uint32_t tickstart = HAL_GetTick(); |
| 380 | 380 | uint32_t wait = Delay; |
|
| 381 | /* Add a period to guaranty minimum wait */ |
381 | |
| 382 | if (wait < HAL_MAX_DELAY) |
382 | /* Add a period to guaranty minimum wait */ |
| 383 | { |
383 | if (wait < HAL_MAX_DELAY) |
| 384 | wait += (uint32_t)(uwTickFreq); |
384 | { |
| 385 | } |
385 | wait += (uint32_t)(uwTickFreq); |
| 386 | 386 | } |
|
| 387 | while((HAL_GetTick() - tickstart) < wait) |
387 | |
| 388 | { |
388 | while((HAL_GetTick() - tickstart) < wait) |
| 389 | } |
389 | { |
| 390 | } |
390 | } |
| 391 | 391 | } |
|
| 392 | /** |
392 | |
| 393 | * @brief Suspend the Tick increment. |
393 | /** |
| 394 | * @note In the default implementation , SysTick timer is the source of time base. It is |
394 | * @brief Suspend the Tick increment. |
| 395 | * used to generate interrupts at regular time intervals. Once HAL_SuspendTick() |
395 | * @note In the default implementation , SysTick timer is the source of time base. It is |
| 396 | * is called, the SysTick interrupt will be disabled and so Tick increment |
396 | * used to generate interrupts at regular time intervals. Once HAL_SuspendTick() |
| 397 | * is suspended. |
397 | * is called, the SysTick interrupt will be disabled and so Tick increment |
| 398 | * @note This function is declared as __weak to be overwritten in case of other |
398 | * is suspended. |
| 399 | * implementations in user file. |
399 | * @note This function is declared as __weak to be overwritten in case of other |
| 400 | * @retval None |
400 | * implementations in user file. |
| 401 | */ |
401 | * @retval None |
| 402 | __weak void HAL_SuspendTick(void) |
402 | */ |
| 403 | { |
403 | __weak void HAL_SuspendTick(void) |
| 404 | /* Disable SysTick Interrupt */ |
404 | { |
| 405 | CLEAR_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
405 | /* Disable SysTick Interrupt */ |
| 406 | } |
406 | CLEAR_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
| 407 | 407 | } |
|
| 408 | /** |
408 | |
| 409 | * @brief Resume the Tick increment. |
409 | /** |
| 410 | * @note In the default implementation , SysTick timer is the source of time base. It is |
410 | * @brief Resume the Tick increment. |
| 411 | * used to generate interrupts at regular time intervals. Once HAL_ResumeTick() |
411 | * @note In the default implementation , SysTick timer is the source of time base. It is |
| 412 | * is called, the SysTick interrupt will be enabled and so Tick increment |
412 | * used to generate interrupts at regular time intervals. Once HAL_ResumeTick() |
| 413 | * is resumed. |
413 | * is called, the SysTick interrupt will be enabled and so Tick increment |
| 414 | * @note This function is declared as __weak to be overwritten in case of other |
414 | * is resumed. |
| 415 | * implementations in user file. |
415 | * @note This function is declared as __weak to be overwritten in case of other |
| 416 | * @retval None |
416 | * implementations in user file. |
| 417 | */ |
417 | * @retval None |
| 418 | __weak void HAL_ResumeTick(void) |
418 | */ |
| 419 | { |
419 | __weak void HAL_ResumeTick(void) |
| 420 | /* Enable SysTick Interrupt */ |
420 | { |
| 421 | SET_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
421 | /* Enable SysTick Interrupt */ |
| 422 | } |
422 | SET_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
| 423 | 423 | } |
|
| 424 | /** |
424 | |
| 425 | * @brief Return the HAL revision |
425 | /** |
| 426 | * @retval version: 0xXYZR (8bits for each decimal, R for RC) |
426 | * @brief Return the HAL revision |
| 427 | */ |
427 | * @retval version: 0xXYZR (8bits for each decimal, R for RC) |
| 428 | uint32_t HAL_GetHalVersion(void) |
428 | */ |
| 429 | { |
429 | uint32_t HAL_GetHalVersion(void) |
| 430 | return __STM32L1xx_HAL_VERSION; |
430 | { |
| 431 | } |
431 | return __STM32L1xx_HAL_VERSION; |
| 432 | 432 | } |
|
| 433 | /** |
433 | |
| 434 | * @brief Return the device revision identifier. |
434 | /** |
| 435 | * @retval Device revision identifier |
435 | * @brief Return the device revision identifier. |
| 436 | */ |
436 | * @retval Device revision identifier |
| 437 | uint32_t HAL_GetREVID(void) |
437 | */ |
| 438 | { |
438 | uint32_t HAL_GetREVID(void) |
| 439 | return((DBGMCU->IDCODE) >> 16U); |
439 | { |
| 440 | } |
440 | return((DBGMCU->IDCODE) >> 16U); |
| 441 | 441 | } |
|
| 442 | /** |
442 | |
| 443 | * @brief Return the device identifier. |
443 | /** |
| 444 | * @retval Device identifier |
444 | * @brief Return the device identifier. |
| 445 | */ |
445 | * @retval Device identifier |
| 446 | uint32_t HAL_GetDEVID(void) |
446 | */ |
| 447 | { |
447 | uint32_t HAL_GetDEVID(void) |
| 448 | return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); |
448 | { |
| 449 | } |
449 | return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); |
| 450 | 450 | } |
|
| 451 | /** |
451 | |
| 452 | * @brief Return the first word of the unique device identifier (UID based on 96 bits) |
452 | /** |
| 453 | * @retval Device identifier 31:0 bits |
453 | * @brief Return the first word of the unique device identifier (UID based on 96 bits) |
| 454 | */ |
454 | * @retval Device identifier 31:0 bits |
| 455 | uint32_t HAL_GetUIDw0(void) |
455 | */ |
| 456 | { |
456 | uint32_t HAL_GetUIDw0(void) |
| 457 | return(READ_REG(*((uint32_t *)UID_BASE))); |
457 | { |
| 458 | } |
458 | return(READ_REG(*((uint32_t *)UID_BASE))); |
| 459 | 459 | } |
|
| 460 | /** |
460 | |
| 461 | * @brief Return the second word of the unique device identifier (UID based on 96 bits) |
461 | /** |
| 462 | * @retval Device identifier 63:32 bits |
462 | * @brief Return the second word of the unique device identifier (UID based on 96 bits) |
| 463 | */ |
463 | * @retval Device identifier 63:32 bits |
| 464 | uint32_t HAL_GetUIDw1(void) |
464 | */ |
| 465 | { |
465 | uint32_t HAL_GetUIDw1(void) |
| 466 | return(READ_REG(*((uint32_t *)(UID_BASE + 0x4U)))); |
466 | { |
| 467 | } |
467 | return(READ_REG(*((uint32_t *)(UID_BASE + 0x4U)))); |
| 468 | 468 | } |
|
| 469 | /** |
469 | |
| 470 | * @brief Return the third word of the unique device identifier (UID based on 96 bits) |
470 | /** |
| 471 | * @retval Device identifier 95:64 bits |
471 | * @brief Return the third word of the unique device identifier (UID based on 96 bits) |
| 472 | */ |
472 | * @retval Device identifier 95:64 bits |
| 473 | uint32_t HAL_GetUIDw2(void) |
473 | */ |
| 474 | { |
474 | uint32_t HAL_GetUIDw2(void) |
| 475 | return(READ_REG(*((uint32_t *)(UID_BASE + 0x14U)))); |
475 | { |
| 476 | } |
476 | return(READ_REG(*((uint32_t *)(UID_BASE + 0x14U)))); |
| 477 | 477 | } |
|
| 478 | /** |
478 | |
| 479 | * @} |
479 | /** |
| 480 | */ |
480 | * @} |
| 481 | 481 | */ |
|
| 482 | /** @defgroup HAL_Exported_Functions_Group3 DBGMCU Peripheral Control functions |
482 | |
| 483 | * @brief DBGMCU Peripheral Control functions |
483 | /** @defgroup HAL_Exported_Functions_Group3 DBGMCU Peripheral Control functions |
| 484 | * |
484 | * @brief DBGMCU Peripheral Control functions |
| 485 | @verbatim |
485 | * |
| 486 | =============================================================================== |
486 | @verbatim |
| 487 | ##### DBGMCU Peripheral Control functions ##### |
487 | =============================================================================== |
| 488 | =============================================================================== |
488 | ##### DBGMCU Peripheral Control functions ##### |
| 489 | [..] This section provides functions allowing to: |
489 | =============================================================================== |
| 490 | (+) Enable/Disable Debug module during SLEEP mode |
490 | [..] This section provides functions allowing to: |
| 491 | (+) Enable/Disable Debug module during STOP mode |
491 | (+) Enable/Disable Debug module during SLEEP mode |
| 492 | (+) Enable/Disable Debug module during STANDBY mode |
492 | (+) Enable/Disable Debug module during STOP mode |
| 493 | 493 | (+) Enable/Disable Debug module during STANDBY mode |
|
| 494 | @endverbatim |
494 | |
| 495 | * @{ |
495 | @endverbatim |
| 496 | */ |
496 | * @{ |
| 497 | 497 | */ |
|
| 498 | /** |
498 | |
| 499 | * @brief Enable the Debug Module during SLEEP mode |
499 | /** |
| 500 | * @retval None |
500 | * @brief Enable the Debug Module during SLEEP mode |
| 501 | */ |
501 | * @retval None |
| 502 | void HAL_DBGMCU_EnableDBGSleepMode(void) |
502 | */ |
| 503 | { |
503 | void HAL_DBGMCU_EnableDBGSleepMode(void) |
| 504 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
504 | { |
| 505 | } |
505 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
| 506 | 506 | } |
|
| 507 | /** |
507 | |
| 508 | * @brief Disable the Debug Module during SLEEP mode |
508 | /** |
| 509 | * @retval None |
509 | * @brief Disable the Debug Module during SLEEP mode |
| 510 | */ |
510 | * @retval None |
| 511 | void HAL_DBGMCU_DisableDBGSleepMode(void) |
511 | */ |
| 512 | { |
512 | void HAL_DBGMCU_DisableDBGSleepMode(void) |
| 513 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
513 | { |
| 514 | } |
514 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP); |
| 515 | 515 | } |
|
| 516 | /** |
516 | |
| 517 | * @brief Enable the Debug Module during STOP mode |
517 | /** |
| 518 | * @retval None |
518 | * @brief Enable the Debug Module during STOP mode |
| 519 | */ |
519 | * @retval None |
| 520 | void HAL_DBGMCU_EnableDBGStopMode(void) |
520 | */ |
| 521 | { |
521 | void HAL_DBGMCU_EnableDBGStopMode(void) |
| 522 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
522 | { |
| 523 | } |
523 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
| 524 | 524 | } |
|
| 525 | /** |
525 | |
| 526 | * @brief Disable the Debug Module during STOP mode |
526 | /** |
| 527 | * @retval None |
527 | * @brief Disable the Debug Module during STOP mode |
| 528 | */ |
528 | * @retval None |
| 529 | void HAL_DBGMCU_DisableDBGStopMode(void) |
529 | */ |
| 530 | { |
530 | void HAL_DBGMCU_DisableDBGStopMode(void) |
| 531 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
531 | { |
| 532 | } |
532 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
| 533 | 533 | } |
|
| 534 | /** |
534 | |
| 535 | * @brief Enable the Debug Module during STANDBY mode |
535 | /** |
| 536 | * @retval None |
536 | * @brief Enable the Debug Module during STANDBY mode |
| 537 | */ |
537 | * @retval None |
| 538 | void HAL_DBGMCU_EnableDBGStandbyMode(void) |
538 | */ |
| 539 | { |
539 | void HAL_DBGMCU_EnableDBGStandbyMode(void) |
| 540 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
540 | { |
| 541 | } |
541 | SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
| 542 | 542 | } |
|
| 543 | /** |
543 | |
| 544 | * @brief Disable the Debug Module during STANDBY mode |
544 | /** |
| 545 | * @retval None |
545 | * @brief Disable the Debug Module during STANDBY mode |
| 546 | */ |
546 | * @retval None |
| 547 | void HAL_DBGMCU_DisableDBGStandbyMode(void) |
547 | */ |
| 548 | { |
548 | void HAL_DBGMCU_DisableDBGStandbyMode(void) |
| 549 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
549 | { |
| 550 | } |
550 | CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
| 551 | 551 | } |
|
| 552 | /** |
552 | |
| 553 | * @} |
553 | /** |
| 554 | */ |
554 | * @} |
| 555 | 555 | */ |
|
| 556 | /** |
556 | |
| 557 | * @} |
557 | /** |
| 558 | */ |
558 | * @} |
| 559 | 559 | */ |
|
| 560 | #endif /* HAL_MODULE_ENABLED */ |
560 | |
| 561 | /** |
561 | #endif /* HAL_MODULE_ENABLED */ |
| 562 | * @} |
562 | /** |
| 563 | */ |
563 | * @} |
| 564 | 564 | */ |
|
| 565 | /** |
565 | |
| 566 | * @} |
566 | /** |
| 567 | */ |
567 | * @} |
| 568 | 568 | */ |
|
| 569 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
569 | |
| - | 570 | ||