提交 | 用户 | age
|
483170
|
1 |
/** |
Q |
2 |
****************************************************************************** |
|
3 |
* @file stm32f0xx_hal.c |
|
4 |
* @author MCD Application Team |
|
5 |
* @brief HAL module driver. |
|
6 |
* This is the common part of the HAL initialization |
|
7 |
* |
|
8 |
@verbatim |
|
9 |
============================================================================== |
|
10 |
##### How to use this driver ##### |
|
11 |
============================================================================== |
|
12 |
[..] |
|
13 |
The common HAL driver contains a set of generic and common APIs that can be |
|
14 |
used by the PPP peripheral drivers and the user to start using the HAL. |
|
15 |
[..] |
|
16 |
The HAL contains two APIs categories: |
|
17 |
(+) HAL Initialization and de-initialization functions |
|
18 |
(+) HAL Control functions |
|
19 |
|
|
20 |
@endverbatim |
|
21 |
****************************************************************************** |
|
22 |
* @attention |
|
23 |
* |
|
24 |
* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
|
25 |
* |
|
26 |
* Redistribution and use in source and binary forms, with or without modification, |
|
27 |
* are permitted provided that the following conditions are met: |
|
28 |
* 1. Redistributions of source code must retain the above copyright notice, |
|
29 |
* this list of conditions and the following disclaimer. |
|
30 |
* 2. Redistributions in binary form must reproduce the above copyright notice, |
|
31 |
* this list of conditions and the following disclaimer in the documentation |
|
32 |
* and/or other materials provided with the distribution. |
|
33 |
* 3. Neither the name of STMicroelectronics nor the names of its contributors |
|
34 |
* may be used to endorse or promote products derived from this software |
|
35 |
* without specific prior written permission. |
|
36 |
* |
|
37 |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
|
38 |
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
39 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
|
40 |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
|
41 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
|
42 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
|
43 |
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
|
44 |
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
|
45 |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
46 |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
47 |
* |
|
48 |
****************************************************************************** |
|
49 |
*/ |
|
50 |
|
|
51 |
/* Includes ------------------------------------------------------------------*/ |
|
52 |
#include "stm32f0xx_hal.h" |
|
53 |
|
|
54 |
/** @addtogroup STM32F0xx_HAL_Driver |
|
55 |
* @{ |
|
56 |
*/ |
|
57 |
|
|
58 |
/** @defgroup HAL HAL |
|
59 |
* @brief HAL module driver. |
|
60 |
* @{ |
|
61 |
*/ |
|
62 |
|
|
63 |
#ifdef HAL_MODULE_ENABLED |
|
64 |
|
|
65 |
/* Private typedef -----------------------------------------------------------*/ |
|
66 |
/* Private define ------------------------------------------------------------*/ |
|
67 |
/** @defgroup HAL_Private_Constants HAL Private Constants |
|
68 |
* @{ |
|
69 |
*/ |
|
70 |
/** |
|
71 |
* @brief STM32F0xx HAL Driver version number V1.7.0 |
|
72 |
*/ |
|
73 |
#define __STM32F0xx_HAL_VERSION_MAIN (0x01) /*!< [31:24] main version */ |
|
74 |
#define __STM32F0xx_HAL_VERSION_SUB1 (0x07) /*!< [23:16] sub1 version */ |
|
75 |
#define __STM32F0xx_HAL_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ |
|
76 |
#define __STM32F0xx_HAL_VERSION_RC (0x00) /*!< [7:0] release candidate */ |
|
77 |
#define __STM32F0xx_HAL_VERSION ((__STM32F0xx_HAL_VERSION_MAIN << 24U)\ |
|
78 |
|(__STM32F0xx_HAL_VERSION_SUB1 << 16U)\ |
|
79 |
|(__STM32F0xx_HAL_VERSION_SUB2 << 8U )\ |
|
80 |
|(__STM32F0xx_HAL_VERSION_RC)) |
|
81 |
|
|
82 |
#define IDCODE_DEVID_MASK (0x00000FFFU) |
|
83 |
/** |
|
84 |
* @} |
|
85 |
*/ |
|
86 |
|
|
87 |
/* Private macro -------------------------------------------------------------*/ |
|
88 |
/** @defgroup HAL_Private_Macros HAL Private Macros |
|
89 |
* @{ |
|
90 |
*/ |
|
91 |
/** |
|
92 |
* @} |
|
93 |
*/ |
|
94 |
|
|
95 |
/* Private variables ---------------------------------------------------------*/ |
|
96 |
/** @defgroup HAL_Private_Variables HAL Private Variables |
|
97 |
* @{ |
|
98 |
*/ |
|
99 |
__IO uint32_t uwTick; |
|
100 |
/** |
|
101 |
* @} |
|
102 |
*/ |
|
103 |
/* Private function prototypes -----------------------------------------------*/ |
|
104 |
/* Exported functions ---------------------------------------------------------*/ |
|
105 |
|
|
106 |
/** @defgroup HAL_Exported_Functions HAL Exported Functions |
|
107 |
* @{ |
|
108 |
*/ |
|
109 |
|
|
110 |
/** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions |
|
111 |
* @brief Initialization and de-initialization functions |
|
112 |
* |
|
113 |
@verbatim |
|
114 |
=============================================================================== |
|
115 |
##### Initialization and de-initialization functions ##### |
|
116 |
=============================================================================== |
|
117 |
[..] This section provides functions allowing to: |
|
118 |
(+) Initializes the Flash interface, the NVIC allocation and initial clock |
|
119 |
configuration. It initializes the source of time base also when timeout |
|
120 |
is needed and the backup domain when enabled. |
|
121 |
(+) de-Initializes common part of the HAL. |
|
122 |
(+) Configure The time base source to have 1ms time base with a dedicated |
|
123 |
Tick interrupt priority. |
|
124 |
(++) Systick timer is used by default as source of time base, but user |
|
125 |
can eventually implement his proper time base source (a general purpose |
|
126 |
timer for example or other time source), keeping in mind that Time base |
|
127 |
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and |
|
128 |
handled in milliseconds basis. |
|
129 |
(++) Time base configuration function (HAL_InitTick ()) is called automatically |
|
130 |
at the beginning of the program after reset by HAL_Init() or at any time |
|
131 |
when clock is configured, by HAL_RCC_ClockConfig(). |
|
132 |
(++) Source of time base is configured to generate interrupts at regular |
|
133 |
time intervals. Care must be taken if HAL_Delay() is called from a |
|
134 |
peripheral ISR process, the Tick interrupt line must have higher priority |
|
135 |
(numerically lower) than the peripheral interrupt. Otherwise the caller |
|
136 |
ISR process will be blocked. |
|
137 |
(++) functions affecting time base configurations are declared as __Weak |
|
138 |
to make override possible in case of other implementations in user file. |
|
139 |
|
|
140 |
@endverbatim |
|
141 |
* @{ |
|
142 |
*/ |
|
143 |
|
|
144 |
/** |
|
145 |
* @brief This function configures the Flash prefetch, |
|
146 |
* Configures time base source, NVIC and Low level hardware |
|
147 |
* @note This function is called at the beginning of program after reset and before |
|
148 |
* the clock configuration |
|
149 |
* @note The time base configuration is based on HSI clock when exiting from Reset. |
|
150 |
* Once done, time base tick start incrementing. |
|
151 |
* In the default implementation,Systick is used as source of time base. |
|
152 |
* The tick variable is incremented each 1ms in its ISR. |
|
153 |
* @retval HAL status |
|
154 |
*/ |
|
155 |
HAL_StatusTypeDef HAL_Init(void) |
|
156 |
{ |
|
157 |
/* Configure Flash prefetch */ |
|
158 |
#if (PREFETCH_ENABLE != 0) |
|
159 |
__HAL_FLASH_PREFETCH_BUFFER_ENABLE(); |
|
160 |
#endif /* PREFETCH_ENABLE */ |
|
161 |
|
|
162 |
/* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */ |
|
163 |
|
|
164 |
HAL_InitTick(TICK_INT_PRIORITY); |
|
165 |
|
|
166 |
/* Init the low level hardware */ |
|
167 |
HAL_MspInit(); |
|
168 |
|
|
169 |
/* Return function status */ |
|
170 |
return HAL_OK; |
|
171 |
} |
|
172 |
|
|
173 |
/** |
|
174 |
* @brief This function de-Initializes common part of the HAL and stops the source |
|
175 |
* of time base. |
|
176 |
* @note This function is optional. |
|
177 |
* @retval HAL status |
|
178 |
*/ |
|
179 |
HAL_StatusTypeDef HAL_DeInit(void) |
|
180 |
{ |
|
181 |
/* Reset of all peripherals */ |
|
182 |
__HAL_RCC_APB1_FORCE_RESET(); |
|
183 |
__HAL_RCC_APB1_RELEASE_RESET(); |
|
184 |
|
|
185 |
__HAL_RCC_APB2_FORCE_RESET(); |
|
186 |
__HAL_RCC_APB2_RELEASE_RESET(); |
|
187 |
|
|
188 |
__HAL_RCC_AHB_FORCE_RESET(); |
|
189 |
__HAL_RCC_AHB_RELEASE_RESET(); |
|
190 |
|
|
191 |
/* De-Init the low level hardware */ |
|
192 |
HAL_MspDeInit(); |
|
193 |
|
|
194 |
/* Return function status */ |
|
195 |
return HAL_OK; |
|
196 |
} |
|
197 |
|
|
198 |
/** |
|
199 |
* @brief Initializes the MSP. |
|
200 |
* @retval None |
|
201 |
*/ |
|
202 |
__weak void HAL_MspInit(void) |
|
203 |
{ |
|
204 |
/* NOTE : This function Should not be modified, when the callback is needed, |
|
205 |
the HAL_MspInit could be implemented in the user file |
|
206 |
*/ |
|
207 |
} |
|
208 |
|
|
209 |
/** |
|
210 |
* @brief DeInitializes the MSP. |
|
211 |
* @retval None |
|
212 |
*/ |
|
213 |
__weak void HAL_MspDeInit(void) |
|
214 |
{ |
|
215 |
/* NOTE : This function Should not be modified, when the callback is needed, |
|
216 |
the HAL_MspDeInit could be implemented in the user file |
|
217 |
*/ |
|
218 |
} |
|
219 |
|
|
220 |
/** |
|
221 |
* @brief This function configures the source of the time base. |
|
222 |
* The time source is configured to have 1ms time base with a dedicated |
|
223 |
* Tick interrupt priority. |
|
224 |
* @note This function is called automatically at the beginning of program after |
|
225 |
* reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig(). |
|
226 |
* @note In the default implementation, SysTick timer is the source of time base. |
|
227 |
* It is used to generate interrupts at regular time intervals. |
|
228 |
* Care must be taken if HAL_Delay() is called from a peripheral ISR process, |
|
229 |
* The the SysTick interrupt must have higher priority (numerically lower) |
|
230 |
* than the peripheral interrupt. Otherwise the caller ISR process will be blocked. |
|
231 |
* The function is declared as __Weak to be overwritten in case of other |
|
232 |
* implementation in user file. |
|
233 |
* @param TickPriority Tick interrupt priority. |
|
234 |
* @retval HAL status |
|
235 |
*/ |
|
236 |
__weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) |
|
237 |
{ |
|
238 |
/*Configure the SysTick to have interrupt in 1ms time basis*/ |
|
239 |
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000U); |
|
240 |
|
|
241 |
/*Configure the SysTick IRQ priority */ |
|
242 |
HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority ,0U); |
|
243 |
|
|
244 |
/* Return function status */ |
|
245 |
return HAL_OK; |
|
246 |
} |
|
247 |
|
|
248 |
/** |
|
249 |
* @} |
|
250 |
*/ |
|
251 |
|
|
252 |
/** @defgroup HAL_Exported_Functions_Group2 HAL Control functions |
|
253 |
* @brief HAL Control functions |
|
254 |
* |
|
255 |
@verbatim |
|
256 |
=============================================================================== |
|
257 |
##### HAL Control functions ##### |
|
258 |
=============================================================================== |
|
259 |
[..] This section provides functions allowing to: |
|
260 |
(+) Provide a tick value in millisecond |
|
261 |
(+) Provide a blocking delay in millisecond |
|
262 |
(+) Suspend the time base source interrupt |
|
263 |
(+) Resume the time base source interrupt |
|
264 |
(+) Get the HAL API driver version |
|
265 |
(+) Get the device identifier |
|
266 |
(+) Get the device revision identifier |
|
267 |
(+) Enable/Disable Debug module during Sleep mode |
|
268 |
(+) Enable/Disable Debug module during STOP mode |
|
269 |
(+) Enable/Disable Debug module during STANDBY mode |
|
270 |
|
|
271 |
@endverbatim |
|
272 |
* @{ |
|
273 |
*/ |
|
274 |
|
|
275 |
/** |
|
276 |
* @brief This function is called to increment a global variable "uwTick" |
|
277 |
* used as application time base. |
|
278 |
* @note In the default implementation, this variable is incremented each 1ms |
|
279 |
* in Systick ISR. |
|
280 |
* @note This function is declared as __weak to be overwritten in case of other |
|
281 |
* implementations in user file. |
|
282 |
* @retval None |
|
283 |
*/ |
|
284 |
__weak void HAL_IncTick(void) |
|
285 |
{ |
|
286 |
uwTick++; |
|
287 |
} |
|
288 |
|
|
289 |
/** |
|
290 |
* @brief Provides a tick value in millisecond. |
|
291 |
* @note This function is declared as __weak to be overwritten in case of other |
|
292 |
* implementations in user file. |
|
293 |
* @retval tick value |
|
294 |
*/ |
|
295 |
__weak uint32_t HAL_GetTick(void) |
|
296 |
{ |
|
297 |
return uwTick; |
|
298 |
} |
|
299 |
|
|
300 |
/** |
|
301 |
* @brief This function provides accurate delay (in milliseconds) based |
|
302 |
* on variable incremented. |
|
303 |
* @note In the default implementation , SysTick timer is the source of time base. |
|
304 |
* It is used to generate interrupts at regular time intervals where uwTick |
|
305 |
* is incremented. |
|
306 |
* @note ThiS function is declared as __weak to be overwritten in case of other |
|
307 |
* implementations in user file. |
|
308 |
* @param Delay specifies the delay time length, in milliseconds. |
|
309 |
* @retval None |
|
310 |
*/ |
|
311 |
__weak void HAL_Delay(__IO uint32_t Delay) |
|
312 |
{ |
|
313 |
uint32_t tickstart = HAL_GetTick(); |
|
314 |
uint32_t wait = Delay; |
|
315 |
|
|
316 |
/* Add a period to guarantee minimum wait */ |
|
317 |
if (wait < HAL_MAX_DELAY) |
|
318 |
{ |
|
319 |
wait++; |
|
320 |
} |
|
321 |
|
|
322 |
while((HAL_GetTick() - tickstart) < wait) |
|
323 |
{ |
|
324 |
} |
|
325 |
} |
|
326 |
|
|
327 |
/** |
|
328 |
* @brief Suspend Tick increment. |
|
329 |
* @note In the default implementation , SysTick timer is the source of time base. It is |
|
330 |
* used to generate interrupts at regular time intervals. Once HAL_SuspendTick() |
|
331 |
* is called, the the SysTick interrupt will be disabled and so Tick increment |
|
332 |
* is suspended. |
|
333 |
* @note This function is declared as __weak to be overwritten in case of other |
|
334 |
* implementations in user file. |
|
335 |
* @retval None |
|
336 |
*/ |
|
337 |
__weak void HAL_SuspendTick(void) |
|
338 |
|
|
339 |
{ |
|
340 |
/* Disable SysTick Interrupt */ |
|
341 |
CLEAR_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
|
342 |
} |
|
343 |
|
|
344 |
/** |
|
345 |
* @brief Resume Tick increment. |
|
346 |
* @note In the default implementation , SysTick timer is the source of time base. It is |
|
347 |
* used to generate interrupts at regular time intervals. Once HAL_ResumeTick() |
|
348 |
* is called, the the SysTick interrupt will be enabled and so Tick increment |
|
349 |
* is resumed. |
|
350 |
* @note This function is declared as __weak to be overwritten in case of other |
|
351 |
* implementations in user file. |
|
352 |
* @retval None |
|
353 |
*/ |
|
354 |
__weak void HAL_ResumeTick(void) |
|
355 |
{ |
|
356 |
/* Enable SysTick Interrupt */ |
|
357 |
SET_BIT(SysTick->CTRL,SysTick_CTRL_TICKINT_Msk); |
|
358 |
} |
|
359 |
|
|
360 |
/** |
|
361 |
* @brief This method returns the HAL revision |
|
362 |
* @retval version : 0xXYZR (8bits for each decimal, R for RC) |
|
363 |
*/ |
|
364 |
uint32_t HAL_GetHalVersion(void) |
|
365 |
{ |
|
366 |
return __STM32F0xx_HAL_VERSION; |
|
367 |
} |
|
368 |
|
|
369 |
/** |
|
370 |
* @brief Returns the device revision identifier. |
|
371 |
* @retval Device revision identifier |
|
372 |
*/ |
|
373 |
uint32_t HAL_GetREVID(void) |
|
374 |
{ |
|
375 |
return((DBGMCU->IDCODE) >> 16U); |
|
376 |
} |
|
377 |
|
|
378 |
/** |
|
379 |
* @brief Returns the device identifier. |
|
380 |
* @retval Device identifier |
|
381 |
*/ |
|
382 |
uint32_t HAL_GetDEVID(void) |
|
383 |
{ |
|
384 |
return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK); |
|
385 |
} |
|
386 |
|
|
387 |
/** |
|
388 |
* @brief Returns first word of the unique device identifier (UID based on 96 bits) |
|
389 |
* @retval Device identifier |
|
390 |
*/ |
|
391 |
uint32_t HAL_GetUIDw0(void) |
|
392 |
{ |
|
393 |
return(READ_REG(*((uint32_t *)UID_BASE))); |
|
394 |
} |
|
395 |
|
|
396 |
/** |
|
397 |
* @brief Returns second word of the unique device identifier (UID based on 96 bits) |
|
398 |
* @retval Device identifier |
|
399 |
*/ |
|
400 |
uint32_t HAL_GetUIDw1(void) |
|
401 |
{ |
|
402 |
return(READ_REG(*((uint32_t *)(UID_BASE + 4U)))); |
|
403 |
} |
|
404 |
|
|
405 |
/** |
|
406 |
* @brief Returns third word of the unique device identifier (UID based on 96 bits) |
|
407 |
* @retval Device identifier |
|
408 |
*/ |
|
409 |
uint32_t HAL_GetUIDw2(void) |
|
410 |
{ |
|
411 |
return(READ_REG(*((uint32_t *)(UID_BASE + 8U)))); |
|
412 |
} |
|
413 |
|
|
414 |
/** |
|
415 |
* @brief Enable the Debug Module during STOP mode |
|
416 |
* @retval None |
|
417 |
*/ |
|
418 |
void HAL_DBGMCU_EnableDBGStopMode(void) |
|
419 |
{ |
|
420 |
SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
|
421 |
} |
|
422 |
|
|
423 |
/** |
|
424 |
* @brief Disable the Debug Module during STOP mode |
|
425 |
* @retval None |
|
426 |
*/ |
|
427 |
void HAL_DBGMCU_DisableDBGStopMode(void) |
|
428 |
{ |
|
429 |
CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP); |
|
430 |
} |
|
431 |
|
|
432 |
/** |
|
433 |
* @brief Enable the Debug Module during STANDBY mode |
|
434 |
* @retval None |
|
435 |
*/ |
|
436 |
void HAL_DBGMCU_EnableDBGStandbyMode(void) |
|
437 |
{ |
|
438 |
SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
|
439 |
} |
|
440 |
|
|
441 |
/** |
|
442 |
* @brief Disable the Debug Module during STANDBY mode |
|
443 |
* @retval None |
|
444 |
*/ |
|
445 |
void HAL_DBGMCU_DisableDBGStandbyMode(void) |
|
446 |
{ |
|
447 |
CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY); |
|
448 |
} |
|
449 |
|
|
450 |
/** |
|
451 |
* @} |
|
452 |
*/ |
|
453 |
|
|
454 |
/** |
|
455 |
* @} |
|
456 |
*/ |
|
457 |
|
|
458 |
#endif /* HAL_MODULE_ENABLED */ |
|
459 |
/** |
|
460 |
* @} |
|
461 |
*/ |
|
462 |
|
|
463 |
/** |
|
464 |
* @} |
|
465 |
*/ |
|
466 |
|
|
467 |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |