Subversion Repositories testOled

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 mjames 1
/**
2
  ******************************************************************************
3
  * @file    stm32f1xx_hal_uart.h
4
  * @author  MCD Application Team
5
  * @brief   Header file of UART HAL module.
6
  ******************************************************************************
7
  * @attention
8
  *
9
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
10
  * All rights reserved.</center></h2>
11
  *
12
  * This software component is licensed by ST under BSD 3-Clause license,
13
  * the "License"; You may not use this file except in compliance with the
14
  * License. You may obtain a copy of the License at:
15
  *                        opensource.org/licenses/BSD-3-Clause
16
  *
17
  ******************************************************************************
18
  */
19
 
20
/* Define to prevent recursive inclusion -------------------------------------*/
21
#ifndef __STM32F1xx_HAL_UART_H
22
#define __STM32F1xx_HAL_UART_H
23
 
24
#ifdef __cplusplus
25
extern "C" {
26
#endif
27
 
28
/* Includes ------------------------------------------------------------------*/
29
#include "stm32f1xx_hal_def.h"
30
 
31
/** @addtogroup STM32F1xx_HAL_Driver
32
  * @{
33
  */
34
 
35
/** @addtogroup UART
36
  * @{
37
  */
38
 
39
/* Exported types ------------------------------------------------------------*/
40
/** @defgroup UART_Exported_Types UART Exported Types
41
  * @{
42
  */
43
 
44
/**
45
  * @brief UART Init Structure definition
46
  */
47
typedef struct
48
{
49
  uint32_t BaudRate;                  /*!< This member configures the UART communication baud rate.
50
                                           The baud rate is computed using the following formula:
51
                                           - IntegerDivider = ((PCLKx) / (16 * (huart->Init.BaudRate)))
52
                                           - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
53
 
54
  uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
55
                                           This parameter can be a value of @ref UART_Word_Length */
56
 
57
  uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
58
                                           This parameter can be a value of @ref UART_Stop_Bits */
59
 
60
  uint32_t Parity;                    /*!< Specifies the parity mode.
61
                                           This parameter can be a value of @ref UART_Parity
62
                                           @note When parity is enabled, the computed parity is inserted
63
                                                 at the MSB position of the transmitted data (9th bit when
64
                                                 the word length is set to 9 data bits; 8th bit when the
65
                                                 word length is set to 8 data bits). */
66
 
67
  uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
68
                                           This parameter can be a value of @ref UART_Mode */
69
 
70
  uint32_t HwFlowCtl;                 /*!< Specifies whether the hardware flow control mode is enabled or disabled.
71
                                           This parameter can be a value of @ref UART_Hardware_Flow_Control */
72
 
73
  uint32_t OverSampling;              /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
74
                                           This parameter can be a value of @ref UART_Over_Sampling. This feature is only available
75
                                           on STM32F100xx family, so OverSampling parameter should always be set to 16. */
76
} UART_InitTypeDef;
77
 
78
/**
79
  * @brief HAL UART State structures definition
80
  * @note  HAL UART State value is a combination of 2 different substates: gState and RxState.
81
  *        - gState contains UART state information related to global Handle management
82
  *          and also information related to Tx operations.
83
  *          gState value coding follow below described bitmap :
84
  *          b7-b6  Error information
85
  *             00 : No Error
86
  *             01 : (Not Used)
87
  *             10 : Timeout
88
  *             11 : Error
89
  *          b5     Peripheral initialization status
90
  *             0  : Reset (Peripheral not initialized)
91
  *             1  : Init done (Peripheral initialized. HAL UART Init function already called)
92
  *          b4-b3  (not used)
93
  *             xx : Should be set to 00
94
  *          b2     Intrinsic process state
95
  *             0  : Ready
96
  *             1  : Busy (Peripheral busy with some configuration or internal operations)
97
  *          b1     (not used)
98
  *             x  : Should be set to 0
99
  *          b0     Tx state
100
  *             0  : Ready (no Tx operation ongoing)
101
  *             1  : Busy (Tx operation ongoing)
102
  *        - RxState contains information related to Rx operations.
103
  *          RxState value coding follow below described bitmap :
104
  *          b7-b6  (not used)
105
  *             xx : Should be set to 00
106
  *          b5     Peripheral initialization status
107
  *             0  : Reset (Peripheral not initialized)
108
  *             1  : Init done (Peripheral initialized)
109
  *          b4-b2  (not used)
110
  *            xxx : Should be set to 000
111
  *          b1     Rx state
112
  *             0  : Ready (no Rx operation ongoing)
113
  *             1  : Busy (Rx operation ongoing)
114
  *          b0     (not used)
115
  *             x  : Should be set to 0.
116
  */
117
typedef enum
118
{
119
  HAL_UART_STATE_RESET             = 0x00U,    /*!< Peripheral is not yet Initialized
120
                                                   Value is allowed for gState and RxState */
121
  HAL_UART_STATE_READY             = 0x20U,    /*!< Peripheral Initialized and ready for use
122
                                                   Value is allowed for gState and RxState */
123
  HAL_UART_STATE_BUSY              = 0x24U,    /*!< an internal process is ongoing
124
                                                   Value is allowed for gState only */
125
  HAL_UART_STATE_BUSY_TX           = 0x21U,    /*!< Data Transmission process is ongoing
126
                                                   Value is allowed for gState only */
127
  HAL_UART_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing
128
                                                   Value is allowed for RxState only */
129
  HAL_UART_STATE_BUSY_TX_RX        = 0x23U,    /*!< Data Transmission and Reception process is ongoing
130
                                                   Not to be used for neither gState nor RxState.
131
                                                   Value is result of combination (Or) between gState and RxState values */
132
  HAL_UART_STATE_TIMEOUT           = 0xA0U,    /*!< Timeout state
133
                                                   Value is allowed for gState only */
134
  HAL_UART_STATE_ERROR             = 0xE0U     /*!< Error
135
                                                   Value is allowed for gState only */
136
} HAL_UART_StateTypeDef;
137
 
138
/**
139
  * @brief HAL UART Reception type definition
140
  * @note  HAL UART Reception type value aims to identify which type of Reception is ongoing.
141
  *        It is expected to admit following values :
142
  *           HAL_UART_RECEPTION_STANDARD         = 0x00U,
143
  *           HAL_UART_RECEPTION_TOIDLE           = 0x01U,
144
  */
145
typedef uint32_t HAL_UART_RxTypeTypeDef;
146
 
147
/**
148
  * @brief  UART handle Structure definition
149
  */
150
typedef struct __UART_HandleTypeDef
151
{
152
  USART_TypeDef                 *Instance;        /*!< UART registers base address        */
153
 
154
  UART_InitTypeDef              Init;             /*!< UART communication parameters      */
155
 
156
  uint8_t                       *pTxBuffPtr;      /*!< Pointer to UART Tx transfer Buffer */
157
 
158
  uint16_t                      TxXferSize;       /*!< UART Tx Transfer size              */
159
 
160
  __IO uint16_t                 TxXferCount;      /*!< UART Tx Transfer Counter           */
161
 
162
  uint8_t                       *pRxBuffPtr;      /*!< Pointer to UART Rx transfer Buffer */
163
 
164
  uint16_t                      RxXferSize;       /*!< UART Rx Transfer size              */
165
 
166
  __IO uint16_t                 RxXferCount;      /*!< UART Rx Transfer Counter           */
167
 
168
  __IO HAL_UART_RxTypeTypeDef ReceptionType;      /*!< Type of ongoing reception          */
169
 
170
  DMA_HandleTypeDef             *hdmatx;          /*!< UART Tx DMA Handle parameters      */
171
 
172
  DMA_HandleTypeDef             *hdmarx;          /*!< UART Rx DMA Handle parameters      */
173
 
174
  HAL_LockTypeDef               Lock;             /*!< Locking object                     */
175
 
176
  __IO HAL_UART_StateTypeDef    gState;           /*!< UART state information related to global Handle management
177
                                                       and also related to Tx operations.
178
                                                       This parameter can be a value of @ref HAL_UART_StateTypeDef */
179
 
180
  __IO HAL_UART_StateTypeDef    RxState;          /*!< UART state information related to Rx operations.
181
                                                       This parameter can be a value of @ref HAL_UART_StateTypeDef */
182
 
183
  __IO uint32_t                 ErrorCode;        /*!< UART Error code                    */
184
 
185
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
186
  void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Tx Half Complete Callback        */
187
  void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Tx Complete Callback             */
188
  void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart);        /*!< UART Rx Half Complete Callback        */
189
  void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Rx Complete Callback             */
190
  void (* ErrorCallback)(struct __UART_HandleTypeDef *huart);             /*!< UART Error Callback                   */
191
  void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Abort Complete Callback          */
192
  void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */
193
  void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart);  /*!< UART Abort Receive Complete Callback  */
194
  void (* WakeupCallback)(struct __UART_HandleTypeDef *huart);            /*!< UART Wakeup Callback                  */
195
  void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback     */
196
 
197
  void (* MspInitCallback)(struct __UART_HandleTypeDef *huart);           /*!< UART Msp Init callback                */
198
  void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart);         /*!< UART Msp DeInit callback              */
199
#endif  /* USE_HAL_UART_REGISTER_CALLBACKS */
200
 
201
} UART_HandleTypeDef;
202
 
203
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
204
/**
205
  * @brief  HAL UART Callback ID enumeration definition
206
  */
207
typedef enum
208
{
209
  HAL_UART_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< UART Tx Half Complete Callback ID        */
210
  HAL_UART_TX_COMPLETE_CB_ID             = 0x01U,    /*!< UART Tx Complete Callback ID             */
211
  HAL_UART_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< UART Rx Half Complete Callback ID        */
212
  HAL_UART_RX_COMPLETE_CB_ID             = 0x03U,    /*!< UART Rx Complete Callback ID             */
213
  HAL_UART_ERROR_CB_ID                   = 0x04U,    /*!< UART Error Callback ID                   */
214
  HAL_UART_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< UART Abort Complete Callback ID          */
215
  HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< UART Abort Transmit Complete Callback ID */
216
  HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< UART Abort Receive Complete Callback ID  */
217
  HAL_UART_WAKEUP_CB_ID                  = 0x08U,    /*!< UART Wakeup Callback ID                  */
218
 
219
  HAL_UART_MSPINIT_CB_ID                 = 0x0BU,    /*!< UART MspInit callback ID                 */
220
  HAL_UART_MSPDEINIT_CB_ID               = 0x0CU     /*!< UART MspDeInit callback ID               */
221
 
222
} HAL_UART_CallbackIDTypeDef;
223
 
224
/**
225
  * @brief  HAL UART Callback pointer definition
226
  */
227
typedef  void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart);  /*!< pointer to an UART callback function */
228
typedef  void (*pUART_RxEventCallbackTypeDef)(struct __UART_HandleTypeDef *huart, uint16_t Pos);   /*!< pointer to a UART Rx Event specific callback function */
229
 
230
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
231
 
232
/**
233
  * @}
234
  */
235
 
236
/* Exported constants --------------------------------------------------------*/
237
/** @defgroup UART_Exported_Constants UART Exported Constants
238
  * @{
239
  */
240
 
241
/** @defgroup UART_Error_Code UART Error Code
242
  * @{
243
  */
244
#define HAL_UART_ERROR_NONE              0x00000000U   /*!< No error            */
245
#define HAL_UART_ERROR_PE                0x00000001U   /*!< Parity error        */
246
#define HAL_UART_ERROR_NE                0x00000002U   /*!< Noise error         */
247
#define HAL_UART_ERROR_FE                0x00000004U   /*!< Frame error         */
248
#define HAL_UART_ERROR_ORE               0x00000008U   /*!< Overrun error       */
249
#define HAL_UART_ERROR_DMA               0x00000010U   /*!< DMA transfer error  */
250
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
251
#define  HAL_UART_ERROR_INVALID_CALLBACK 0x00000020U   /*!< Invalid Callback error  */
252
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
253
/**
254
  * @}
255
  */
256
 
257
/** @defgroup UART_Word_Length UART Word Length
258
  * @{
259
  */
260
#define UART_WORDLENGTH_8B                  0x00000000U
261
#define UART_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)
262
/**
263
  * @}
264
  */
265
 
266
/** @defgroup UART_Stop_Bits UART Number of Stop Bits
267
  * @{
268
  */
269
#define UART_STOPBITS_1                     0x00000000U
270
#define UART_STOPBITS_2                     ((uint32_t)USART_CR2_STOP_1)
271
/**
272
  * @}
273
  */
274
 
275
/** @defgroup UART_Parity UART Parity
276
  * @{
277
  */
278
#define UART_PARITY_NONE                    0x00000000U
279
#define UART_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
280
#define UART_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
281
/**
282
  * @}
283
  */
284
 
285
/** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
286
  * @{
287
  */
288
#define UART_HWCONTROL_NONE                  0x00000000U
289
#define UART_HWCONTROL_RTS                   ((uint32_t)USART_CR3_RTSE)
290
#define UART_HWCONTROL_CTS                   ((uint32_t)USART_CR3_CTSE)
291
#define UART_HWCONTROL_RTS_CTS               ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
292
/**
293
  * @}
294
  */
295
 
296
/** @defgroup UART_Mode UART Transfer Mode
297
  * @{
298
  */
299
#define UART_MODE_RX                        ((uint32_t)USART_CR1_RE)
300
#define UART_MODE_TX                        ((uint32_t)USART_CR1_TE)
301
#define UART_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE | USART_CR1_RE))
302
/**
303
  * @}
304
  */
305
 
306
/** @defgroup UART_State UART State
307
  * @{
308
  */
309
#define UART_STATE_DISABLE                  0x00000000U
310
#define UART_STATE_ENABLE                   ((uint32_t)USART_CR1_UE)
311
/**
312
  * @}
313
  */
314
 
315
/** @defgroup UART_Over_Sampling UART Over Sampling
316
  * @{
317
  */
318
#define UART_OVERSAMPLING_16                    0x00000000U
319
#if defined(USART_CR1_OVER8)
320
#define UART_OVERSAMPLING_8                     ((uint32_t)USART_CR1_OVER8)
321
#endif /* USART_CR1_OVER8 */
322
/**
323
  * @}
324
  */
325
 
326
/** @defgroup UART_LIN_Break_Detection_Length  UART LIN Break Detection Length
327
  * @{
328
  */
329
#define UART_LINBREAKDETECTLENGTH_10B      0x00000000U
330
#define UART_LINBREAKDETECTLENGTH_11B      ((uint32_t)USART_CR2_LBDL)
331
/**
332
  * @}
333
  */
334
 
335
/** @defgroup UART_WakeUp_functions  UART Wakeup Functions
336
  * @{
337
  */
338
#define UART_WAKEUPMETHOD_IDLELINE                0x00000000U
339
#define UART_WAKEUPMETHOD_ADDRESSMARK             ((uint32_t)USART_CR1_WAKE)
340
/**
341
  * @}
342
  */
343
 
344
/** @defgroup UART_Flags   UART FLags
345
  *        Elements values convention: 0xXXXX
346
  *           - 0xXXXX  : Flag mask in the SR register
347
  * @{
348
  */
349
#define UART_FLAG_CTS                       ((uint32_t)USART_SR_CTS)
350
#define UART_FLAG_LBD                       ((uint32_t)USART_SR_LBD)
351
#define UART_FLAG_TXE                       ((uint32_t)USART_SR_TXE)
352
#define UART_FLAG_TC                        ((uint32_t)USART_SR_TC)
353
#define UART_FLAG_RXNE                      ((uint32_t)USART_SR_RXNE)
354
#define UART_FLAG_IDLE                      ((uint32_t)USART_SR_IDLE)
355
#define UART_FLAG_ORE                       ((uint32_t)USART_SR_ORE)
356
#define UART_FLAG_NE                        ((uint32_t)USART_SR_NE)
357
#define UART_FLAG_FE                        ((uint32_t)USART_SR_FE)
358
#define UART_FLAG_PE                        ((uint32_t)USART_SR_PE)
359
/**
360
  * @}
361
  */
362
 
363
/** @defgroup UART_Interrupt_definition  UART Interrupt Definitions
364
  *        Elements values convention: 0xY000XXXX
365
  *           - XXXX  : Interrupt mask (16 bits) in the Y register
366
  *           - Y  : Interrupt source register (2bits)
367
  *                   - 0001: CR1 register
368
  *                   - 0010: CR2 register
369
  *                   - 0011: CR3 register
370
  * @{
371
  */
372
 
373
#define UART_IT_PE                       ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
374
#define UART_IT_TXE                      ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
375
#define UART_IT_TC                       ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
376
#define UART_IT_RXNE                     ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
377
#define UART_IT_IDLE                     ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
378
 
379
#define UART_IT_LBD                      ((uint32_t)(UART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
380
 
381
#define UART_IT_CTS                      ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
382
#define UART_IT_ERR                      ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
383
/**
384
  * @}
385
  */
386
 
387
/** @defgroup UART_RECEPTION_TYPE_Values  UART Reception type values
388
  * @{
389
  */
390
#define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
391
#define HAL_UART_RECEPTION_TOIDLE            (0x00000001U)             /*!< Reception till completion or IDLE event  */
392
/**
393
  * @}
394
  */
395
 
396
/**
397
  * @}
398
  */
399
 
400
/* Exported macro ------------------------------------------------------------*/
401
/** @defgroup UART_Exported_Macros UART Exported Macros
402
  * @{
403
  */
404
 
405
/** @brief Reset UART handle gstate & RxState
406
  * @param  __HANDLE__ specifies the UART Handle.
407
  *         UART Handle selects the USARTx or UARTy peripheral
408
  *         (USART,UART availability and x,y values depending on device).
409
  * @retval None
410
  */
411
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
412
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
413
                                                       (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
414
                                                       (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
415
                                                       (__HANDLE__)->MspInitCallback = NULL;             \
416
                                                       (__HANDLE__)->MspDeInitCallback = NULL;           \
417
                                                     } while(0U)
418
#else
419
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
420
                                                       (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
421
                                                       (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
422
                                                     } while(0U)
423
#endif /*USE_HAL_UART_REGISTER_CALLBACKS */
424
 
425
/** @brief  Flushes the UART DR register
426
  * @param  __HANDLE__ specifies the UART Handle.
427
  *         UART Handle selects the USARTx or UARTy peripheral
428
  *         (USART,UART availability and x,y values depending on device).
429
  */
430
#define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
431
 
432
/** @brief  Checks whether the specified UART flag is set or not.
433
  * @param  __HANDLE__ specifies the UART Handle.
434
  *         UART Handle selects the USARTx or UARTy peripheral
435
  *         (USART,UART availability and x,y values depending on device).
436
  * @param  __FLAG__ specifies the flag to check.
437
  *        This parameter can be one of the following values:
438
  *            @arg UART_FLAG_CTS:  CTS Change flag (not available for UART4 and UART5)
439
  *            @arg UART_FLAG_LBD:  LIN Break detection flag
440
  *            @arg UART_FLAG_TXE:  Transmit data register empty flag
441
  *            @arg UART_FLAG_TC:   Transmission Complete flag
442
  *            @arg UART_FLAG_RXNE: Receive data register not empty flag
443
  *            @arg UART_FLAG_IDLE: Idle Line detection flag
444
  *            @arg UART_FLAG_ORE:  Overrun Error flag
445
  *            @arg UART_FLAG_NE:   Noise Error flag
446
  *            @arg UART_FLAG_FE:   Framing Error flag
447
  *            @arg UART_FLAG_PE:   Parity Error flag
448
  * @retval The new state of __FLAG__ (TRUE or FALSE).
449
  */
450
#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
451
 
452
/** @brief  Clears the specified UART pending flag.
453
  * @param  __HANDLE__ specifies the UART Handle.
454
  *         UART Handle selects the USARTx or UARTy peripheral
455
  *         (USART,UART availability and x,y values depending on device).
456
  * @param  __FLAG__ specifies the flag to check.
457
  *          This parameter can be any combination of the following values:
458
  *            @arg UART_FLAG_CTS:  CTS Change flag (not available for UART4 and UART5).
459
  *            @arg UART_FLAG_LBD:  LIN Break detection flag.
460
  *            @arg UART_FLAG_TC:   Transmission Complete flag.
461
  *            @arg UART_FLAG_RXNE: Receive data register not empty flag.
462
  *
463
  * @note   PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
464
  *          error) and IDLE (Idle line detected) flags are cleared by software
465
  *          sequence: a read operation to USART_SR register followed by a read
466
  *          operation to USART_DR register.
467
  * @note   RXNE flag can be also cleared by a read to the USART_DR register.
468
  * @note   TC flag can be also cleared by software sequence: a read operation to
469
  *          USART_SR register followed by a write operation to USART_DR register.
470
  * @note   TXE flag is cleared only by a write to the USART_DR register.
471
  *
472
  * @retval None
473
  */
474
#define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
475
 
476
/** @brief  Clears the UART PE pending flag.
477
  * @param  __HANDLE__ specifies the UART Handle.
478
  *         UART Handle selects the USARTx or UARTy peripheral
479
  *         (USART,UART availability and x,y values depending on device).
480
  * @retval None
481
  */
482
#define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)     \
483
  do{                                           \
484
    __IO uint32_t tmpreg = 0x00U;               \
485
    tmpreg = (__HANDLE__)->Instance->SR;        \
486
    tmpreg = (__HANDLE__)->Instance->DR;        \
487
    UNUSED(tmpreg);                             \
488
  } while(0U)
489
 
490
/** @brief  Clears the UART FE pending flag.
491
  * @param  __HANDLE__ specifies the UART Handle.
492
  *         UART Handle selects the USARTx or UARTy peripheral
493
  *         (USART,UART availability and x,y values depending on device).
494
  * @retval None
495
  */
496
#define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
497
 
498
/** @brief  Clears the UART NE pending flag.
499
  * @param  __HANDLE__ specifies the UART Handle.
500
  *         UART Handle selects the USARTx or UARTy peripheral
501
  *         (USART,UART availability and x,y values depending on device).
502
  * @retval None
503
  */
504
#define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
505
 
506
/** @brief  Clears the UART ORE pending flag.
507
  * @param  __HANDLE__ specifies the UART Handle.
508
  *         UART Handle selects the USARTx or UARTy peripheral
509
  *         (USART,UART availability and x,y values depending on device).
510
  * @retval None
511
  */
512
#define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
513
 
514
/** @brief  Clears the UART IDLE pending flag.
515
  * @param  __HANDLE__ specifies the UART Handle.
516
  *         UART Handle selects the USARTx or UARTy peripheral
517
  *         (USART,UART availability and x,y values depending on device).
518
  * @retval None
519
  */
520
#define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
521
 
522
/** @brief  Enable the specified UART interrupt.
523
  * @param  __HANDLE__ specifies the UART Handle.
524
  *         UART Handle selects the USARTx or UARTy peripheral
525
  *         (USART,UART availability and x,y values depending on device).
526
  * @param  __INTERRUPT__ specifies the UART interrupt source to enable.
527
  *          This parameter can be one of the following values:
528
  *            @arg UART_IT_CTS:  CTS change interrupt
529
  *            @arg UART_IT_LBD:  LIN Break detection interrupt
530
  *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
531
  *            @arg UART_IT_TC:   Transmission complete interrupt
532
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
533
  *            @arg UART_IT_IDLE: Idle line detection interrupt
534
  *            @arg UART_IT_PE:   Parity Error interrupt
535
  *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
536
  * @retval None
537
  */
538
#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
539
                                                           (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
540
                                                           ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
541
 
542
/** @brief  Disable the specified UART interrupt.
543
  * @param  __HANDLE__ specifies the UART Handle.
544
  *         UART Handle selects the USARTx or UARTy peripheral
545
  *         (USART,UART availability and x,y values depending on device).
546
  * @param  __INTERRUPT__ specifies the UART interrupt source to disable.
547
  *          This parameter can be one of the following values:
548
  *            @arg UART_IT_CTS:  CTS change interrupt
549
  *            @arg UART_IT_LBD:  LIN Break detection interrupt
550
  *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
551
  *            @arg UART_IT_TC:   Transmission complete interrupt
552
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
553
  *            @arg UART_IT_IDLE: Idle line detection interrupt
554
  *            @arg UART_IT_PE:   Parity Error interrupt
555
  *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
556
  * @retval None
557
  */
558
#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
559
                                                           (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
560
                                                           ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
561
 
562
/** @brief  Checks whether the specified UART interrupt source is enabled or not.
563
  * @param  __HANDLE__ specifies the UART Handle.
564
  *         UART Handle selects the USARTx or UARTy peripheral
565
  *         (USART,UART availability and x,y values depending on device).
566
  * @param  __IT__ specifies the UART interrupt source to check.
567
  *          This parameter can be one of the following values:
568
  *            @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
569
  *            @arg UART_IT_LBD: LIN Break detection interrupt
570
  *            @arg UART_IT_TXE: Transmit Data Register empty interrupt
571
  *            @arg UART_IT_TC:  Transmission complete interrupt
572
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
573
  *            @arg UART_IT_IDLE: Idle line detection interrupt
574
  *            @arg UART_IT_ERR: Error interrupt
575
  * @retval The new state of __IT__ (TRUE or FALSE).
576
  */
577
#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == UART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == UART_CR2_REG_INDEX)? \
578
                                                      (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
579
 
580
/** @brief  Enable CTS flow control
581
  * @note   This macro allows to enable CTS hardware flow control for a given UART instance,
582
  *         without need to call HAL_UART_Init() function.
583
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
584
  * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
585
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
586
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
587
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
588
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
589
  * @param  __HANDLE__ specifies the UART Handle.
590
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
591
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
592
  * @retval None
593
  */
594
#define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)        \
595
  do{                                                      \
596
    SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
597
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;        \
598
  } while(0U)
599
 
600
/** @brief  Disable CTS flow control
601
  * @note   This macro allows to disable CTS hardware flow control for a given UART instance,
602
  *         without need to call HAL_UART_Init() function.
603
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
604
  * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
605
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
606
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
607
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
608
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
609
  * @param  __HANDLE__ specifies the UART Handle.
610
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
611
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
612
  * @retval None
613
  */
614
#define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)        \
615
  do{                                                       \
616
    CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
617
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);      \
618
  } while(0U)
619
 
620
/** @brief  Enable RTS flow control
621
  *         This macro allows to enable RTS hardware flow control for a given UART instance,
622
  *         without need to call HAL_UART_Init() function.
623
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
624
  * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
625
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
626
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
627
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
628
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
629
  * @param  __HANDLE__ specifies the UART Handle.
630
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
631
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
632
  * @retval None
633
  */
634
#define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)       \
635
  do{                                                     \
636
    SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
637
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;       \
638
  } while(0U)
639
 
640
/** @brief  Disable RTS flow control
641
  *         This macro allows to disable RTS hardware flow control for a given UART instance,
642
  *         without need to call HAL_UART_Init() function.
643
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
644
  * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
645
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
646
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
647
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
648
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
649
  * @param  __HANDLE__ specifies the UART Handle.
650
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
651
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
652
  * @retval None
653
  */
654
#define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)       \
655
  do{                                                      \
656
    CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
657
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);     \
658
  } while(0U)
659
#if defined(USART_CR3_ONEBIT)
660
 
661
/** @brief  Macro to enable the UART's one bit sample method
662
  * @param  __HANDLE__ specifies the UART Handle.
663
  * @retval None
664
  */
665
#define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
666
 
667
/** @brief  Macro to disable the UART's one bit sample method
668
  * @param  __HANDLE__ specifies the UART Handle.
669
  * @retval None
670
  */
671
#define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
672
#endif /* UART_ONE_BIT_SAMPLE_Feature */
673
 
674
/** @brief  Enable UART
675
  * @param  __HANDLE__ specifies the UART Handle.
676
  * @retval None
677
  */
678
#define __HAL_UART_ENABLE(__HANDLE__)               ((__HANDLE__)->Instance->CR1 |=  USART_CR1_UE)
679
 
680
/** @brief  Disable UART
681
  * @param  __HANDLE__ specifies the UART Handle.
682
  * @retval None
683
  */
684
#define __HAL_UART_DISABLE(__HANDLE__)              ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)
685
/**
686
  * @}
687
  */
688
 
689
/* Exported functions --------------------------------------------------------*/
690
/** @addtogroup UART_Exported_Functions
691
  * @{
692
  */
693
 
694
/** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
695
  * @{
696
  */
697
 
698
/* Initialization/de-initialization functions  **********************************/
699
HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
700
HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
701
HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
702
HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
703
HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
704
void HAL_UART_MspInit(UART_HandleTypeDef *huart);
705
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
706
 
707
/* Callbacks Register/UnRegister functions  ***********************************/
708
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
709
HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, pUART_CallbackTypeDef pCallback);
710
HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
711
 
712
HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
713
HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
714
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
715
 
716
/**
717
  * @}
718
  */
719
 
720
/** @addtogroup UART_Exported_Functions_Group2 IO operation functions
721
  * @{
722
  */
723
 
724
/* IO operation functions *******************************************************/
725
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
726
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
727
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
728
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
729
HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
730
HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
731
HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
732
HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
733
HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
734
 
735
HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen, uint32_t Timeout);
736
HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
737
HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
738
 
739
/* Transfer Abort functions */
740
HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
741
HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
742
HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
743
HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
744
HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
745
HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
746
 
747
void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
748
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
749
void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
750
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
751
void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
752
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
753
void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
754
void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
755
void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
756
 
757
void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
758
 
759
/**
760
  * @}
761
  */
762
 
763
/** @addtogroup UART_Exported_Functions_Group3
764
  * @{
765
  */
766
/* Peripheral Control functions  ************************************************/
767
HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
768
HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
769
HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
770
HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
771
HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
772
/**
773
  * @}
774
  */
775
 
776
/** @addtogroup UART_Exported_Functions_Group4
777
  * @{
778
  */
779
/* Peripheral State functions  **************************************************/
780
HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
781
uint32_t              HAL_UART_GetError(UART_HandleTypeDef *huart);
782
/**
783
  * @}
784
  */
785
 
786
/**
787
  * @}
788
  */
789
/* Private types -------------------------------------------------------------*/
790
/* Private variables ---------------------------------------------------------*/
791
/* Private constants ---------------------------------------------------------*/
792
/** @defgroup UART_Private_Constants UART Private Constants
793
  * @{
794
  */
795
/** @brief UART interruptions flag mask
796
  *
797
  */
798
#define UART_IT_MASK                     0x0000FFFFU
799
 
800
#define UART_CR1_REG_INDEX               1U
801
#define UART_CR2_REG_INDEX               2U
802
#define UART_CR3_REG_INDEX               3U
803
/**
804
  * @}
805
  */
806
 
807
/* Private macros ------------------------------------------------------------*/
808
/** @defgroup UART_Private_Macros UART Private Macros
809
  * @{
810
  */
811
#define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
812
                                     ((LENGTH) == UART_WORDLENGTH_9B))
813
#define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B))
814
#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
815
                                    ((STOPBITS) == UART_STOPBITS_2))
816
#define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
817
                                ((PARITY) == UART_PARITY_EVEN) || \
818
                                ((PARITY) == UART_PARITY_ODD))
819
#define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
820
                              (((CONTROL) == UART_HWCONTROL_NONE) || \
821
                               ((CONTROL) == UART_HWCONTROL_RTS) || \
822
                               ((CONTROL) == UART_HWCONTROL_CTS) || \
823
                               ((CONTROL) == UART_HWCONTROL_RTS_CTS))
824
#define IS_UART_MODE(MODE) ((((MODE) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x00U))
825
#define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
826
                              ((STATE) == UART_STATE_ENABLE))
827
#if defined(USART_CR1_OVER8)
828
#define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
829
                                        ((SAMPLING) == UART_OVERSAMPLING_8))
830
#endif /* USART_CR1_OVER8 */
831
#define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16))
832
#define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
833
                                                 ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
834
#define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
835
                                      ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
836
#define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) <= 4500000U)
837
#define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0x0FU)
838
 
839
#define UART_DIV_SAMPLING16(_PCLK_, _BAUD_)            (((_PCLK_)*25U)/(4U*(_BAUD_)))
840
#define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_)        (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100U)
841
#define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_)        ((((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100U)) * 16U) + 50U) / 100U)
842
/* UART BRR = mantissa + overflow + fraction
843
            = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */
844
#define UART_BRR_SAMPLING16(_PCLK_, _BAUD_)            (((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4U) + \
845
                                                        (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0xF0U)) + \
846
                                                        (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0FU))
847
 
848
#define UART_DIV_SAMPLING8(_PCLK_, _BAUD_)             (((_PCLK_)*25U)/(2U*(_BAUD_)))
849
#define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_)         (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100U)
850
#define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_)         ((((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100U)) * 8U) + 50U) / 100U)
851
/* UART BRR = mantissa + overflow + fraction
852
            = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */
853
#define UART_BRR_SAMPLING8(_PCLK_, _BAUD_)             (((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4U) + \
854
                                                        ((UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0xF8U) << 1U)) + \
855
                                                        (UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x07U))
856
 
857
/**
858
  * @}
859
  */
860
 
861
/* Private functions ---------------------------------------------------------*/
862
/** @defgroup UART_Private_Functions UART Private Functions
863
  * @{
864
  */
865
 
866
HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
867
HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
868
 
869
/**
870
  * @}
871
  */
872
 
873
/**
874
  * @}
875
  */
876
 
877
/**
878
  * @}
879
  */
880
 
881
#ifdef __cplusplus
882
}
883
#endif
884
 
885
#endif /* __STM32F1xx_HAL_UART_H */
886
 
887
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/