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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 | |
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