blob: b289d922b7000cf3cb040c4968b3e1a1051bf4d6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
|
/**
******************************************************************************
* @file stm32f0xx_hal_usart_ex.h
* @author MCD Application Team
* @brief Header file of USART HAL Extended module.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32F0xx_HAL_USART_EX_H
#define STM32F0xx_HAL_USART_EX_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx_hal_def.h"
/** @addtogroup STM32F0xx_HAL_Driver
* @{
*/
/** @addtogroup USARTEx
* @{
*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants
* @{
*/
/** @defgroup USARTEx_Word_Length USARTEx Word Length
* @{
*/
#if defined(USART_CR1_M0)&& defined(USART_CR1_M1)
#define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) /*!< 7-bit long USART frame */
#define USART_WORDLENGTH_8B (0x00000000U) /*!< 8-bit long USART frame */
#define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) /*!< 9-bit long USART frame */
#elif defined(USART_CR1_M)
#define USART_WORDLENGTH_8B (0x00000000U) /*!< 8-bit long USART frame */
#define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) /*!< 9-bit long USART frame */
#endif
/**
* @}
*/
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup USARTEx_Private_Macros USARTEx Private Macros
* @{
*/
/** @brief Report the USART clock source.
* @param __HANDLE__ specifies the USART Handle.
* @param __CLOCKSOURCE__ output variable.
* @retval the USART clocking source, written in __CLOCKSOURCE__.
*/
/** @brief Report the UART clock source.
* @param __HANDLE__ specifies the UART Handle.
* @param __CLOCKSOURCE__ output variable.
* @retval UART clocking source, written in __CLOCKSOURCE__.
*/
#if defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx)
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART1CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART1CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART1CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} while(0)
#elif defined (STM32F030x8) || defined (STM32F070x6) || defined (STM32F042x6) || defined (STM32F048xx) || defined (STM32F051x8) || defined (STM32F058xx)
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
if((__HANDLE__)->Instance == USART1) \
{ \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART1CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART1CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART1CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART2) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0)
#elif defined (STM32F070xB)
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
if((__HANDLE__)->Instance == USART1) \
{ \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART1CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART1CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART1CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART2) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART3) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART4) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0)
#elif defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx)
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
if((__HANDLE__)->Instance == USART1) \
{ \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART1CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART1CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART1CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART2) \
{ \
switch(__HAL_RCC_GET_USART2_SOURCE()) \
{ \
case RCC_USART2CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART2CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART2CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART2CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART3) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART4) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0)
#elif defined(STM32F091xC) || defined (STM32F098xx)
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
if((__HANDLE__)->Instance == USART1) \
{ \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART1CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART1CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART1CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART2) \
{ \
switch(__HAL_RCC_GET_USART2_SOURCE()) \
{ \
case RCC_USART2CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART2CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART2CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART2CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART3) \
{ \
switch(__HAL_RCC_GET_USART3_SOURCE()) \
{ \
case RCC_USART3CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART3CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART3CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART3CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART4) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART5) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART6) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART7) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART8) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0)
#elif defined(STM32F030xC)
#define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
do { \
if((__HANDLE__)->Instance == USART1) \
{ \
switch(__HAL_RCC_GET_USART1_SOURCE()) \
{ \
case RCC_USART1CLKSOURCE_PCLK1: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
break; \
case RCC_USART1CLKSOURCE_HSI: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
break; \
case RCC_USART1CLKSOURCE_SYSCLK: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
break; \
case RCC_USART1CLKSOURCE_LSE: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
break; \
default: \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
break; \
} \
} \
else if((__HANDLE__)->Instance == USART2) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART3) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART4) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART5) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else if((__HANDLE__)->Instance == USART6) \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
} \
else \
{ \
(__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \
} \
} while(0)
#endif /* defined(STM32F030x6) || defined(STM32F031x6) || defined(STM32F038xx) */
/** @brief Compute the USART mask to apply to retrieve the received data
* according to the word length and to the parity bits activation.
* @note If PCE = 1, the parity bit is not included in the data extracted
* by the reception API().
* This masking operation is not carried out in the case of
* DMA transfers.
* @param __HANDLE__ specifies the USART Handle.
* @retval None, the mask to apply to USART RDR register is stored in (__HANDLE__)->Mask field.
*/
#if defined(USART_CR1_M0)&& defined(USART_CR1_M1)
#define USART_MASK_COMPUTATION(__HANDLE__) \
do { \
if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x01FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x007FU; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x007FU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x003FU; \
} \
} \
else \
{ \
(__HANDLE__)->Mask = 0x0000U; \
} \
} while(0U)
#elif defined(USART_CR1_M)
#define USART_MASK_COMPUTATION(__HANDLE__) \
do { \
if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x01FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
} \
else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
{ \
if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
{ \
(__HANDLE__)->Mask = 0x00FFU; \
} \
else \
{ \
(__HANDLE__)->Mask = 0x007FU; \
} \
} \
else \
{ \
(__HANDLE__)->Mask = 0x0000U; \
} \
} while(0U)
#endif
/**
* @brief Ensure that USART frame length is valid.
* @param __LENGTH__ USART frame length.
* @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid)
*/
#if defined(USART_CR1_M0)&& defined(USART_CR1_M1)
#define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \
((__LENGTH__) == USART_WORDLENGTH_8B) || \
((__LENGTH__) == USART_WORDLENGTH_9B))
#elif defined(USART_CR1_M)
#define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_8B) || \
((__LENGTH__) == USART_WORDLENGTH_9B))
#endif
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup USARTEx_Exported_Functions
* @{
*/
/** @addtogroup USARTEx_Exported_Functions_Group1
* @{
*/
/* IO operation functions *****************************************************/
/**
* @}
*/
/** @addtogroup USARTEx_Exported_Functions_Group2
* @{
*/
/* Peripheral Control functions ***********************************************/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* STM32F0xx_HAL_USART_EX_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|