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30 mjames 1
/**
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  ******************************************************************************
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  * @file    stm32l1xx_hal_uart.h
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  * @author  MCD Application Team
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  * @brief   Header file of UART HAL module.
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  ******************************************************************************
7
  * @attention
8
  *
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  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
10
  * All rights reserved.</center></h2>
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  *
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  * 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
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  *
17
  ******************************************************************************
50 mjames 18
  */
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20
/* Define to prevent recursive inclusion -------------------------------------*/
21
#ifndef __STM32L1xx_HAL_UART_H
22
#define __STM32L1xx_HAL_UART_H
23
 
24
#ifdef __cplusplus
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extern "C" {
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#endif
27
 
28
/* Includes ------------------------------------------------------------------*/
29
#include "stm32l1xx_hal_def.h"
30
 
31
/** @addtogroup STM32L1xx_HAL_Driver
32
  * @{
33
  */
34
 
35
/** @addtogroup UART
36
  * @{
50 mjames 37
  */
30 mjames 38
 
50 mjames 39
/* Exported types ------------------------------------------------------------*/
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/** @defgroup UART_Exported_Types UART Exported Types
41
  * @{
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  */
30 mjames 43
 
50 mjames 44
/**
30 mjames 45
  * @brief UART Init Structure definition
50 mjames 46
  */
30 mjames 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) / (8 * (OVR8+1) * (huart->Init.BaudRate)))
50 mjames 52
                                           - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5
30 mjames 53
                                           Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */
54
 
55
  uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
56
                                           This parameter can be a value of @ref UART_Word_Length */
57
 
58
  uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
59
                                           This parameter can be a value of @ref UART_Stop_Bits */
60
 
61
  uint32_t Parity;                    /*!< Specifies the parity mode.
62
                                           This parameter can be a value of @ref UART_Parity
63
                                           @note When parity is enabled, the computed parity is inserted
64
                                                 at the MSB position of the transmitted data (9th bit when
65
                                                 the word length is set to 9 data bits; 8th bit when the
66
                                                 word length is set to 8 data bits). */
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68
  uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
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                                           This parameter can be a value of @ref UART_Mode */
70
 
50 mjames 71
  uint32_t HwFlowCtl;                 /*!< Specifies whether the hardware flow control mode is enabled or disabled.
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                                           This parameter can be a value of @ref UART_Hardware_Flow_Control */
73
 
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  uint32_t OverSampling;              /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
75
                                           This parameter can be a value of @ref UART_Over_Sampling */
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)
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  *             1  : Init done (Peripheral initialized. HAL UART Init function already called)
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  *          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)
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  *             1  : Init done (Peripheral initialized)
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  *          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
  */
30 mjames 117
typedef enum
118
{
50 mjames 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;
30 mjames 137
 
50 mjames 138
/**
61 mjames 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
/**
50 mjames 148
  * @brief  UART handle Structure definition
149
  */
150
typedef struct __UART_HandleTypeDef
30 mjames 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
 
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  __IO uint16_t                 TxXferCount;      /*!< UART Tx Transfer Counter           */
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162
  uint8_t                       *pRxBuffPtr;      /*!< Pointer to UART Rx transfer Buffer */
163
 
164
  uint16_t                      RxXferSize;       /*!< UART Rx Transfer size              */
165
 
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  __IO uint16_t                 RxXferCount;      /*!< UART Rx Transfer Counter           */
30 mjames 167
 
61 mjames 168
  __IO HAL_UART_RxTypeTypeDef ReceptionType;      /*!< Type of ongoing reception          */
169
 
30 mjames 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
 
50 mjames 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
 
30 mjames 183
  __IO uint32_t                 ErrorCode;        /*!< UART Error code                    */
184
 
50 mjames 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                  */
61 mjames 195
  void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback     */
30 mjames 196
 
50 mjames 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)
30 mjames 204
/**
50 mjames 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 */
61 mjames 228
typedef  void (*pUART_RxEventCallbackTypeDef)(struct __UART_HandleTypeDef *huart, uint16_t Pos);   /*!< pointer to a UART Rx Event specific callback function */
50 mjames 229
 
230
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
231
 
232
/**
30 mjames 233
  * @}
234
  */
235
 
236
/* Exported constants --------------------------------------------------------*/
50 mjames 237
/** @defgroup UART_Exported_Constants UART Exported Constants
30 mjames 238
  * @{
239
  */
240
 
50 mjames 241
/** @defgroup UART_Error_Code UART Error Code
30 mjames 242
  * @{
243
  */
50 mjames 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 */
30 mjames 253
/**
254
  * @}
255
  */
256
 
50 mjames 257
/** @defgroup UART_Word_Length UART Word Length
30 mjames 258
  * @{
259
  */
50 mjames 260
#define UART_WORDLENGTH_8B                  0x00000000U
30 mjames 261
#define UART_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)
262
/**
263
  * @}
264
  */
265
 
50 mjames 266
/** @defgroup UART_Stop_Bits UART Number of Stop Bits
30 mjames 267
  * @{
268
  */
50 mjames 269
#define UART_STOPBITS_1                     0x00000000U
30 mjames 270
#define UART_STOPBITS_2                     ((uint32_t)USART_CR2_STOP_1)
271
/**
272
  * @}
50 mjames 273
  */
30 mjames 274
 
50 mjames 275
/** @defgroup UART_Parity UART Parity
30 mjames 276
  * @{
50 mjames 277
  */
278
#define UART_PARITY_NONE                    0x00000000U
30 mjames 279
#define UART_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
50 mjames 280
#define UART_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
30 mjames 281
/**
282
  * @}
50 mjames 283
  */
30 mjames 284
 
285
/** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
286
  * @{
50 mjames 287
  */
288
#define UART_HWCONTROL_NONE                  0x00000000U
30 mjames 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
  * @{
50 mjames 298
  */
30 mjames 299
#define UART_MODE_RX                        ((uint32_t)USART_CR1_RE)
300
#define UART_MODE_TX                        ((uint32_t)USART_CR1_TE)
50 mjames 301
#define UART_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE | USART_CR1_RE))
30 mjames 302
/**
303
  * @}
304
  */
50 mjames 305
 
306
/** @defgroup UART_State UART State
30 mjames 307
  * @{
50 mjames 308
  */
309
#define UART_STATE_DISABLE                  0x00000000U
30 mjames 310
#define UART_STATE_ENABLE                   ((uint32_t)USART_CR1_UE)
311
/**
312
  * @}
313
  */
314
 
315
/** @defgroup UART_Over_Sampling UART Over Sampling
316
  * @{
317
  */
50 mjames 318
#define UART_OVERSAMPLING_16                    0x00000000U
30 mjames 319
#define UART_OVERSAMPLING_8                     ((uint32_t)USART_CR1_OVER8)
320
/**
321
  * @}
322
  */
323
 
324
/** @defgroup UART_LIN_Break_Detection_Length  UART LIN Break Detection Length
325
  * @{
50 mjames 326
  */
327
#define UART_LINBREAKDETECTLENGTH_10B      0x00000000U
30 mjames 328
#define UART_LINBREAKDETECTLENGTH_11B      ((uint32_t)USART_CR2_LBDL)
329
/**
330
  * @}
331
  */
332
 
50 mjames 333
/** @defgroup UART_WakeUp_functions  UART Wakeup Functions
30 mjames 334
  * @{
335
  */
50 mjames 336
#define UART_WAKEUPMETHOD_IDLELINE                0x00000000U
30 mjames 337
#define UART_WAKEUPMETHOD_ADDRESSMARK             ((uint32_t)USART_CR1_WAKE)
338
/**
339
  * @}
340
  */
341
 
342
/** @defgroup UART_Flags   UART FLags
343
  *        Elements values convention: 0xXXXX
344
  *           - 0xXXXX  : Flag mask in the SR register
345
  * @{
346
  */
347
#define UART_FLAG_CTS                       ((uint32_t)USART_SR_CTS)
348
#define UART_FLAG_LBD                       ((uint32_t)USART_SR_LBD)
349
#define UART_FLAG_TXE                       ((uint32_t)USART_SR_TXE)
350
#define UART_FLAG_TC                        ((uint32_t)USART_SR_TC)
351
#define UART_FLAG_RXNE                      ((uint32_t)USART_SR_RXNE)
352
#define UART_FLAG_IDLE                      ((uint32_t)USART_SR_IDLE)
353
#define UART_FLAG_ORE                       ((uint32_t)USART_SR_ORE)
354
#define UART_FLAG_NE                        ((uint32_t)USART_SR_NE)
355
#define UART_FLAG_FE                        ((uint32_t)USART_SR_FE)
356
#define UART_FLAG_PE                        ((uint32_t)USART_SR_PE)
357
/**
358
  * @}
359
  */
360
 
361
/** @defgroup UART_Interrupt_definition  UART Interrupt Definitions
362
  *        Elements values convention: 0xY000XXXX
363
  *           - XXXX  : Interrupt mask (16 bits) in the Y register
364
  *           - Y  : Interrupt source register (2bits)
50 mjames 365
  *                   - 0001: CR1 register
366
  *                   - 0010: CR2 register
367
  *                   - 0011: CR3 register
30 mjames 368
  * @{
50 mjames 369
  */
30 mjames 370
 
50 mjames 371
#define UART_IT_PE                       ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
372
#define UART_IT_TXE                      ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
373
#define UART_IT_TC                       ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
374
#define UART_IT_RXNE                     ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
375
#define UART_IT_IDLE                     ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
30 mjames 376
 
50 mjames 377
#define UART_IT_LBD                      ((uint32_t)(UART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
30 mjames 378
 
50 mjames 379
#define UART_IT_CTS                      ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
380
#define UART_IT_ERR                      ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_EIE))
30 mjames 381
/**
382
  * @}
383
  */
384
 
61 mjames 385
/** @defgroup UART_RECEPTION_TYPE_Values  UART Reception type values
386
  * @{
387
  */
388
#define HAL_UART_RECEPTION_STANDARD          (0x00000000U)             /*!< Standard reception                       */
389
#define HAL_UART_RECEPTION_TOIDLE            (0x00000001U)             /*!< Reception till completion or IDLE event  */
30 mjames 390
/**
391
  * @}
392
  */
393
 
61 mjames 394
/**
395
  * @}
396
  */
397
 
30 mjames 398
/* Exported macro ------------------------------------------------------------*/
399
/** @defgroup UART_Exported_Macros UART Exported Macros
400
  * @{
401
  */
402
 
50 mjames 403
/** @brief Reset UART handle gstate & RxState
404
  * @param  __HANDLE__ specifies the UART Handle.
405
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 406
  *         (USART,UART availability and x,y values depending on device).
407
  * @retval None
408
  */
50 mjames 409
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
410
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
411
                                                       (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
412
                                                       (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
413
                                                       (__HANDLE__)->MspInitCallback = NULL;             \
414
                                                       (__HANDLE__)->MspDeInitCallback = NULL;           \
415
                                                     } while(0U)
416
#else
417
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
418
                                                       (__HANDLE__)->gState = HAL_UART_STATE_RESET;      \
419
                                                       (__HANDLE__)->RxState = HAL_UART_STATE_RESET;     \
420
                                                     } while(0U)
421
#endif /*USE_HAL_UART_REGISTER_CALLBACKS */
30 mjames 422
 
50 mjames 423
/** @brief  Flushes the UART DR register
424
  * @param  __HANDLE__ specifies the UART Handle.
425
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 426
  *         (USART,UART availability and x,y values depending on device).
427
  */
428
#define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
429
 
50 mjames 430
/** @brief  Checks whether the specified UART flag is set or not.
431
  * @param  __HANDLE__ specifies the UART Handle.
432
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 433
  *         (USART,UART availability and x,y values depending on device).
50 mjames 434
  * @param  __FLAG__ specifies the flag to check.
30 mjames 435
  *        This parameter can be one of the following values:
436
  *            @arg UART_FLAG_CTS:  CTS Change flag (not available for UART4 and UART5)
437
  *            @arg UART_FLAG_LBD:  LIN Break detection flag
438
  *            @arg UART_FLAG_TXE:  Transmit data register empty flag
439
  *            @arg UART_FLAG_TC:   Transmission Complete flag
440
  *            @arg UART_FLAG_RXNE: Receive data register not empty flag
441
  *            @arg UART_FLAG_IDLE: Idle Line detection flag
50 mjames 442
  *            @arg UART_FLAG_ORE:  Overrun Error flag
30 mjames 443
  *            @arg UART_FLAG_NE:   Noise Error flag
444
  *            @arg UART_FLAG_FE:   Framing Error flag
445
  *            @arg UART_FLAG_PE:   Parity Error flag
446
  * @retval The new state of __FLAG__ (TRUE or FALSE).
447
  */
50 mjames 448
#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
30 mjames 449
 
50 mjames 450
/** @brief  Clears the specified UART pending flag.
451
  * @param  __HANDLE__ specifies the UART Handle.
452
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 453
  *         (USART,UART availability and x,y values depending on device).
50 mjames 454
  * @param  __FLAG__ specifies the flag to check.
30 mjames 455
  *          This parameter can be any combination of the following values:
456
  *            @arg UART_FLAG_CTS:  CTS Change flag (not available for UART4 and UART5).
457
  *            @arg UART_FLAG_LBD:  LIN Break detection flag.
458
  *            @arg UART_FLAG_TC:   Transmission Complete flag.
459
  *            @arg UART_FLAG_RXNE: Receive data register not empty flag.
50 mjames 460
  *
461
  * @note   PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
462
  *          error) and IDLE (Idle line detected) flags are cleared by software
30 mjames 463
  *          sequence: a read operation to USART_SR register followed by a read
464
  *          operation to USART_DR register.
465
  * @note   RXNE flag can be also cleared by a read to the USART_DR register.
50 mjames 466
  * @note   TC flag can be also cleared by software sequence: a read operation to
30 mjames 467
  *          USART_SR register followed by a write operation to USART_DR register.
468
  * @note   TXE flag is cleared only by a write to the USART_DR register.
50 mjames 469
  *
30 mjames 470
  * @retval None
471
  */
472
#define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
473
 
50 mjames 474
/** @brief  Clears the UART PE pending flag.
475
  * @param  __HANDLE__ specifies the UART Handle.
476
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 477
  *         (USART,UART availability and x,y values depending on device).
478
  * @retval None
479
  */
50 mjames 480
#define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)     \
481
  do{                                           \
482
    __IO uint32_t tmpreg = 0x00U;               \
483
    tmpreg = (__HANDLE__)->Instance->SR;        \
484
    tmpreg = (__HANDLE__)->Instance->DR;        \
485
    UNUSED(tmpreg);                             \
486
  } while(0U)
30 mjames 487
 
50 mjames 488
/** @brief  Clears the UART FE pending flag.
489
  * @param  __HANDLE__ specifies the UART Handle.
490
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 491
  *         (USART,UART availability and x,y values depending on device).
492
  * @retval None
493
  */
494
#define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
495
 
50 mjames 496
/** @brief  Clears the UART NE pending flag.
497
  * @param  __HANDLE__ specifies the UART Handle.
498
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 499
  *         (USART,UART availability and x,y values depending on device).
500
  * @retval None
501
  */
502
#define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
503
 
50 mjames 504
/** @brief  Clears the UART ORE pending flag.
505
  * @param  __HANDLE__ specifies the UART Handle.
506
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 507
  *         (USART,UART availability and x,y values depending on device).
508
  * @retval None
509
  */
510
#define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
511
 
50 mjames 512
/** @brief  Clears the UART IDLE pending flag.
513
  * @param  __HANDLE__ specifies the UART Handle.
514
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 515
  *         (USART,UART availability and x,y values depending on device).
516
  * @retval None
517
  */
518
#define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
50 mjames 519
 
30 mjames 520
/** @brief  Enable the specified UART interrupt.
50 mjames 521
  * @param  __HANDLE__ specifies the UART Handle.
522
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 523
  *         (USART,UART availability and x,y values depending on device).
50 mjames 524
  * @param  __INTERRUPT__ specifies the UART interrupt source to enable.
30 mjames 525
  *          This parameter can be one of the following values:
526
  *            @arg UART_IT_CTS:  CTS change interrupt
527
  *            @arg UART_IT_LBD:  LIN Break detection interrupt
528
  *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
529
  *            @arg UART_IT_TC:   Transmission complete interrupt
530
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
531
  *            @arg UART_IT_IDLE: Idle line detection interrupt
532
  *            @arg UART_IT_PE:   Parity Error interrupt
533
  *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
534
  * @retval None
535
  */
50 mjames 536
#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
537
                                                           (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
30 mjames 538
                                                           ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
539
 
540
/** @brief  Disable the specified UART interrupt.
50 mjames 541
  * @param  __HANDLE__ specifies the UART Handle.
542
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 543
  *         (USART,UART availability and x,y values depending on device).
50 mjames 544
  * @param  __INTERRUPT__ specifies the UART interrupt source to disable.
30 mjames 545
  *          This parameter can be one of the following values:
546
  *            @arg UART_IT_CTS:  CTS change interrupt
547
  *            @arg UART_IT_LBD:  LIN Break detection interrupt
548
  *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
549
  *            @arg UART_IT_TC:   Transmission complete interrupt
550
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
551
  *            @arg UART_IT_IDLE: Idle line detection interrupt
552
  *            @arg UART_IT_PE:   Parity Error interrupt
553
  *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
554
  * @retval None
555
  */
50 mjames 556
#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
557
                                                           (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
30 mjames 558
                                                           ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
50 mjames 559
 
560
/** @brief  Checks whether the specified UART interrupt source is enabled or not.
561
  * @param  __HANDLE__ specifies the UART Handle.
562
  *         UART Handle selects the USARTx or UARTy peripheral
30 mjames 563
  *         (USART,UART availability and x,y values depending on device).
50 mjames 564
  * @param  __IT__ specifies the UART interrupt source to check.
30 mjames 565
  *          This parameter can be one of the following values:
566
  *            @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
567
  *            @arg UART_IT_LBD: LIN Break detection interrupt
568
  *            @arg UART_IT_TXE: Transmit Data Register empty interrupt
569
  *            @arg UART_IT_TC:  Transmission complete interrupt
570
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
571
  *            @arg UART_IT_IDLE: Idle line detection interrupt
572
  *            @arg UART_IT_ERR: Error interrupt
573
  * @retval The new state of __IT__ (TRUE or FALSE).
574
  */
50 mjames 575
#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)? \
30 mjames 576
                                                      (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
577
 
50 mjames 578
/** @brief  Enable CTS flow control
579
  * @note   This macro allows to enable CTS hardware flow control for a given UART instance,
30 mjames 580
  *         without need to call HAL_UART_Init() function.
581
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
582
  * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
583
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
584
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
585
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
50 mjames 586
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
587
  * @param  __HANDLE__ specifies the UART Handle.
588
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
30 mjames 589
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
590
  * @retval None
591
  */
592
#define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)        \
593
  do{                                                      \
594
    SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
595
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;        \
50 mjames 596
  } while(0U)
30 mjames 597
 
50 mjames 598
/** @brief  Disable CTS flow control
599
  * @note   This macro allows to disable CTS hardware flow control for a given UART instance,
30 mjames 600
  *         without need to call HAL_UART_Init() function.
601
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
602
  * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
603
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
604
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
605
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
50 mjames 606
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
607
  * @param  __HANDLE__ specifies the UART Handle.
608
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
30 mjames 609
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
610
  * @retval None
611
  */
612
#define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)        \
613
  do{                                                       \
614
    CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
615
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);      \
50 mjames 616
  } while(0U)
30 mjames 617
 
50 mjames 618
/** @brief  Enable RTS flow control
619
  *         This macro allows to enable RTS hardware flow control for a given UART instance,
30 mjames 620
  *         without need to call HAL_UART_Init() function.
621
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
622
  * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
623
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
624
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
625
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
50 mjames 626
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
627
  * @param  __HANDLE__ specifies the UART Handle.
628
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
30 mjames 629
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
630
  * @retval None
631
  */
632
#define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)       \
633
  do{                                                     \
634
    SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
635
    (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;       \
50 mjames 636
  } while(0U)
30 mjames 637
 
50 mjames 638
/** @brief  Disable RTS flow control
639
  *         This macro allows to disable RTS hardware flow control for a given UART instance,
30 mjames 640
  *         without need to call HAL_UART_Init() function.
641
  *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
642
  * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
643
  *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
644
  *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
645
  *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
50 mjames 646
  *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
647
  * @param  __HANDLE__ specifies the UART Handle.
648
  *         The Handle Instance can be any USARTx (supporting the HW Flow control feature).
30 mjames 649
  *         It is used to select the USART peripheral (USART availability and x value depending on device).
650
  * @retval None
651
  */
652
#define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)       \
653
  do{                                                      \
654
    CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
655
    (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);     \
50 mjames 656
  } while(0U)
30 mjames 657
 
50 mjames 658
/** @brief  Macro to enable the UART's one bit sample method
659
  * @param  __HANDLE__ specifies the UART Handle.
660
  * @retval None
661
  */
662
#define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
30 mjames 663
 
50 mjames 664
/** @brief  Macro to disable the UART's one bit sample method
665
  * @param  __HANDLE__ specifies the UART Handle.
666
  * @retval None
667
  */
668
#define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
669
 
30 mjames 670
/** @brief  Enable UART
50 mjames 671
  * @param  __HANDLE__ specifies the UART Handle.
30 mjames 672
  * @retval None
50 mjames 673
  */
30 mjames 674
#define __HAL_UART_ENABLE(__HANDLE__)               ((__HANDLE__)->Instance->CR1 |=  USART_CR1_UE)
675
 
676
/** @brief  Disable UART
50 mjames 677
  * @param  __HANDLE__ specifies the UART Handle.
30 mjames 678
  * @retval None
679
  */
680
#define __HAL_UART_DISABLE(__HANDLE__)              ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)
681
/**
682
  * @}
683
  */
684
 
50 mjames 685
/* Exported functions --------------------------------------------------------*/
686
/** @addtogroup UART_Exported_Functions
30 mjames 687
  * @{
688
  */
689
 
50 mjames 690
/** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
30 mjames 691
  * @{
692
  */
693
 
50 mjames 694
/* Initialization/de-initialization functions  **********************************/
30 mjames 695
HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
696
HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
697
HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
698
HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
50 mjames 699
HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart);
30 mjames 700
void HAL_UART_MspInit(UART_HandleTypeDef *huart);
701
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
702
 
50 mjames 703
/* Callbacks Register/UnRegister functions  ***********************************/
704
#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
705
HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, pUART_CallbackTypeDef pCallback);
706
HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID);
61 mjames 707
 
708
HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback);
709
HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart);
50 mjames 710
#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
711
 
30 mjames 712
/**
713
  * @}
714
  */
715
 
50 mjames 716
/** @addtogroup UART_Exported_Functions_Group2 IO operation functions
30 mjames 717
  * @{
718
  */
719
 
50 mjames 720
/* IO operation functions *******************************************************/
30 mjames 721
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
722
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
723
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
724
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
725
HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
726
HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
727
HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
728
HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
729
HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
61 mjames 730
 
731
HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen, uint32_t Timeout);
732
HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
733
HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
734
 
50 mjames 735
/* Transfer Abort functions */
736
HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart);
737
HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart);
738
HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart);
739
HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart);
740
HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart);
741
HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart);
742
 
30 mjames 743
void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
744
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
745
void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
746
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
747
void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
748
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
50 mjames 749
void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart);
750
void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart);
751
void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart);
30 mjames 752
 
61 mjames 753
void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size);
754
 
30 mjames 755
/**
756
  * @}
757
  */
758
 
50 mjames 759
/** @addtogroup UART_Exported_Functions_Group3
30 mjames 760
  * @{
761
  */
762
/* Peripheral Control functions  ************************************************/
763
HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
764
HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
765
HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
766
HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
767
HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
768
/**
769
  * @}
770
  */
771
 
50 mjames 772
/** @addtogroup UART_Exported_Functions_Group4
30 mjames 773
  * @{
774
  */
50 mjames 775
/* Peripheral State functions  **************************************************/
30 mjames 776
HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
777
uint32_t              HAL_UART_GetError(UART_HandleTypeDef *huart);
50 mjames 778
/**
779
  * @}
780
  */
30 mjames 781
 
782
/**
783
  * @}
784
  */
50 mjames 785
/* Private types -------------------------------------------------------------*/
786
/* Private variables ---------------------------------------------------------*/
787
/* Private constants ---------------------------------------------------------*/
788
/** @defgroup UART_Private_Constants UART Private Constants
789
  * @{
790
  */
791
/** @brief UART interruptions flag mask
792
  *
793
  */
794
#define UART_IT_MASK                     0x0000FFFFU
30 mjames 795
 
50 mjames 796
#define UART_CR1_REG_INDEX               1U
797
#define UART_CR2_REG_INDEX               2U
798
#define UART_CR3_REG_INDEX               3U
30 mjames 799
/**
800
  * @}
801
  */
802
 
50 mjames 803
/* Private macros ------------------------------------------------------------*/
804
/** @defgroup UART_Private_Macros UART Private Macros
805
  * @{
806
  */
807
#define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
808
                                     ((LENGTH) == UART_WORDLENGTH_9B))
809
#define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B))
810
#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
811
                                    ((STOPBITS) == UART_STOPBITS_2))
812
#define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
813
                                ((PARITY) == UART_PARITY_EVEN) || \
814
                                ((PARITY) == UART_PARITY_ODD))
815
#define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
816
                              (((CONTROL) == UART_HWCONTROL_NONE) || \
817
                               ((CONTROL) == UART_HWCONTROL_RTS) || \
818
                               ((CONTROL) == UART_HWCONTROL_CTS) || \
819
                               ((CONTROL) == UART_HWCONTROL_RTS_CTS))
820
#define IS_UART_MODE(MODE) ((((MODE) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x00U))
821
#define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
822
                              ((STATE) == UART_STATE_ENABLE))
823
#define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
824
                                        ((SAMPLING) == UART_OVERSAMPLING_8))
825
#define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16))
826
#define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
827
                                                 ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
828
#define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
829
                                      ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
830
#define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) <= 4000000U)
831
#define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0x0FU)
832
 
833
#define UART_DIV_SAMPLING16(_PCLK_, _BAUD_)            (((_PCLK_)*25U)/(4U*(_BAUD_)))
834
#define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_)        (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100U)
835
#define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_)        ((((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100U)) * 16U) + 50U) / 100U)
836
/* UART BRR = mantissa + overflow + fraction
837
            = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */
838
#define UART_BRR_SAMPLING16(_PCLK_, _BAUD_)            (((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4U) + \
839
                                                        (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0xF0U)) + \
840
                                                        (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0FU))
841
 
842
#define UART_DIV_SAMPLING8(_PCLK_, _BAUD_)             (((_PCLK_)*25U)/(2U*(_BAUD_)))
843
#define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_)         (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100U)
844
#define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_)         ((((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100U)) * 8U) + 50U) / 100U)
845
/* UART BRR = mantissa + overflow + fraction
846
            = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */
847
#define UART_BRR_SAMPLING8(_PCLK_, _BAUD_)             (((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4U) + \
848
                                                        ((UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0xF8U) << 1U)) + \
849
                                                        (UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x07U))
850
 
30 mjames 851
/**
852
  * @}
50 mjames 853
  */
30 mjames 854
 
50 mjames 855
/* Private functions ---------------------------------------------------------*/
856
/** @defgroup UART_Private_Functions UART Private Functions
857
  * @{
858
  */
859
 
61 mjames 860
HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
861
HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
862
 
30 mjames 863
/**
864
  * @}
865
  */
866
 
50 mjames 867
/**
868
  * @}
869
  */
870
 
871
/**
872
  * @}
873
  */
874
 
30 mjames 875
#ifdef __cplusplus
876
}
877
#endif
878
 
879
#endif /* __STM32L1xx_HAL_UART_H */
880
 
881
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/