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/**
2
  ******************************************************************************
3
  * @file    stm32f1xx_hal_i2s.h
4
  * @author  MCD Application Team
5
  * @brief   Header file of I2S 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_I2S_H
22
#define STM32F1xx_HAL_I2S_H
23
 
24
#ifdef __cplusplus
25
extern "C" {
26
#endif
27
 
28
/* Includes ------------------------------------------------------------------*/
29
#include "stm32f1xx_hal_def.h"
30
 
31
#if defined(SPI_I2S_SUPPORT)
32
/** @addtogroup STM32F1xx_HAL_Driver
33
  * @{
34
  */
35
 
36
/** @addtogroup I2S
37
  * @{
38
  */
39
 
40
/* Exported types ------------------------------------------------------------*/
41
/** @defgroup I2S_Exported_Types I2S Exported Types
42
  * @{
43
  */
44
 
45
/**
46
  * @brief I2S Init structure definition
47
  */
48
typedef struct
49
{
50
  uint32_t Mode;                /*!< Specifies the I2S operating mode.
51
                                     This parameter can be a value of @ref I2S_Mode */
52
 
53
  uint32_t Standard;            /*!< Specifies the standard used for the I2S communication.
54
                                     This parameter can be a value of @ref I2S_Standard */
55
 
56
  uint32_t DataFormat;          /*!< Specifies the data format for the I2S communication.
57
                                     This parameter can be a value of @ref I2S_Data_Format */
58
 
59
  uint32_t MCLKOutput;          /*!< Specifies whether the I2S MCLK output is enabled or not.
60
                                     This parameter can be a value of @ref I2S_MCLK_Output */
61
 
62
  uint32_t AudioFreq;           /*!< Specifies the frequency selected for the I2S communication.
63
                                     This parameter can be a value of @ref I2S_Audio_Frequency */
64
 
65
  uint32_t CPOL;                /*!< Specifies the idle state of the I2S clock.
66
                                     This parameter can be a value of @ref I2S_Clock_Polarity */
67
} I2S_InitTypeDef;
68
 
69
/**
70
  * @brief  HAL State structures definition
71
  */
72
typedef enum
73
{
74
  HAL_I2S_STATE_RESET      = 0x00U,  /*!< I2S not yet initialized or disabled                */
75
  HAL_I2S_STATE_READY      = 0x01U,  /*!< I2S initialized and ready for use                  */
76
  HAL_I2S_STATE_BUSY       = 0x02U,  /*!< I2S internal process is ongoing                    */
77
  HAL_I2S_STATE_BUSY_TX    = 0x03U,  /*!< Data Transmission process is ongoing               */
78
  HAL_I2S_STATE_BUSY_RX    = 0x04U,  /*!< Data Reception process is ongoing                  */
79
  HAL_I2S_STATE_TIMEOUT    = 0x06U,  /*!< I2S timeout state                                  */
80
  HAL_I2S_STATE_ERROR      = 0x07U   /*!< I2S error state                                    */
81
} HAL_I2S_StateTypeDef;
82
 
83
/**
84
  * @brief I2S handle Structure definition
85
  */
86
#if (USE_HAL_I2S_REGISTER_CALLBACKS == 1)
87
typedef struct __I2S_HandleTypeDef
88
#else
89
typedef struct
90
#endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
91
{
92
  SPI_TypeDef                *Instance;    /*!< I2S registers base address */
93
 
94
  I2S_InitTypeDef            Init;         /*!< I2S communication parameters */
95
 
96
  uint16_t                   *pTxBuffPtr;  /*!< Pointer to I2S Tx transfer buffer */
97
 
98
  __IO uint16_t              TxXferSize;   /*!< I2S Tx transfer size */
99
 
100
  __IO uint16_t              TxXferCount;  /*!< I2S Tx transfer Counter */
101
 
102
  uint16_t                   *pRxBuffPtr;  /*!< Pointer to I2S Rx transfer buffer */
103
 
104
  __IO uint16_t              RxXferSize;   /*!< I2S Rx transfer size */
105
 
106
  __IO uint16_t              RxXferCount;  /*!< I2S Rx transfer counter
107
                                              (This field is initialized at the
108
                                               same value as transfer size at the
109
                                               beginning of the transfer and
110
                                               decremented when a sample is received
111
                                               NbSamplesReceived = RxBufferSize-RxBufferCount) */
112
  DMA_HandleTypeDef          *hdmatx;      /*!< I2S Tx DMA handle parameters */
113
 
114
  DMA_HandleTypeDef          *hdmarx;      /*!< I2S Rx DMA handle parameters */
115
 
116
  __IO HAL_LockTypeDef       Lock;         /*!< I2S locking object */
117
 
118
  __IO HAL_I2S_StateTypeDef  State;        /*!< I2S communication state */
119
 
120
  __IO uint32_t              ErrorCode;    /*!< I2S Error code
121
                                                This parameter can be a value of @ref I2S_Error */
122
 
123
#if (USE_HAL_I2S_REGISTER_CALLBACKS == 1U)
124
  void (* TxCpltCallback)(struct __I2S_HandleTypeDef *hi2s);             /*!< I2S Tx Completed callback          */
125
  void (* RxCpltCallback)(struct __I2S_HandleTypeDef *hi2s);             /*!< I2S Rx Completed callback          */
126
  void (* TxHalfCpltCallback)(struct __I2S_HandleTypeDef *hi2s);         /*!< I2S Tx Half Completed callback     */
127
  void (* RxHalfCpltCallback)(struct __I2S_HandleTypeDef *hi2s);         /*!< I2S Rx Half Completed callback     */
128
  void (* ErrorCallback)(struct __I2S_HandleTypeDef *hi2s);              /*!< I2S Error callback                 */
129
  void (* MspInitCallback)(struct __I2S_HandleTypeDef *hi2s);            /*!< I2S Msp Init callback              */
130
  void (* MspDeInitCallback)(struct __I2S_HandleTypeDef *hi2s);          /*!< I2S Msp DeInit callback            */
131
 
132
#endif  /* USE_HAL_I2S_REGISTER_CALLBACKS */
133
} I2S_HandleTypeDef;
134
 
135
#if (USE_HAL_I2S_REGISTER_CALLBACKS == 1U)
136
/**
137
  * @brief  HAL I2S Callback ID enumeration definition
138
  */
139
typedef enum
140
{
141
  HAL_I2S_TX_COMPLETE_CB_ID             = 0x00U,    /*!< I2S Tx Completed callback ID         */
142
  HAL_I2S_RX_COMPLETE_CB_ID             = 0x01U,    /*!< I2S Rx Completed callback ID         */
143
  HAL_I2S_TX_HALF_COMPLETE_CB_ID        = 0x03U,    /*!< I2S Tx Half Completed callback ID    */
144
  HAL_I2S_RX_HALF_COMPLETE_CB_ID        = 0x04U,    /*!< I2S Rx Half Completed callback ID    */
145
  HAL_I2S_ERROR_CB_ID                   = 0x06U,    /*!< I2S Error callback ID                */
146
  HAL_I2S_MSPINIT_CB_ID                 = 0x07U,    /*!< I2S Msp Init callback ID             */
147
  HAL_I2S_MSPDEINIT_CB_ID               = 0x08U     /*!< I2S Msp DeInit callback ID           */
148
 
149
} HAL_I2S_CallbackIDTypeDef;
150
 
151
/**
152
  * @brief  HAL I2S Callback pointer definition
153
  */
154
typedef  void (*pI2S_CallbackTypeDef)(I2S_HandleTypeDef *hi2s); /*!< pointer to an I2S callback function */
155
 
156
#endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
157
/**
158
  * @}
159
  */
160
 
161
/* Exported constants --------------------------------------------------------*/
162
/** @defgroup I2S_Exported_Constants I2S Exported Constants
163
  * @{
164
  */
165
/** @defgroup I2S_Error I2S Error
166
  * @{
167
  */
168
#define HAL_I2S_ERROR_NONE               (0x00000000U)  /*!< No error                    */
169
#define HAL_I2S_ERROR_TIMEOUT            (0x00000001U)  /*!< Timeout error               */
170
#define HAL_I2S_ERROR_OVR                (0x00000002U)  /*!< OVR error                   */
171
#define HAL_I2S_ERROR_UDR                (0x00000004U)  /*!< UDR error                   */
172
#define HAL_I2S_ERROR_DMA                (0x00000008U)  /*!< DMA transfer error          */
173
#define HAL_I2S_ERROR_PRESCALER          (0x00000010U)  /*!< Prescaler Calculation error */
174
#if (USE_HAL_I2S_REGISTER_CALLBACKS == 1U)
175
#define HAL_I2S_ERROR_INVALID_CALLBACK   (0x00000020U)  /*!< Invalid Callback error      */
176
#endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
177
#define HAL_I2S_ERROR_BUSY_LINE_RX       (0x00000040U)  /*!< Busy Rx Line error          */
178
/**
179
  * @}
180
  */
181
 
182
/** @defgroup I2S_Mode I2S Mode
183
  * @{
184
  */
185
#define I2S_MODE_SLAVE_TX                (0x00000000U)
186
#define I2S_MODE_SLAVE_RX                (SPI_I2SCFGR_I2SCFG_0)
187
#define I2S_MODE_MASTER_TX               (SPI_I2SCFGR_I2SCFG_1)
188
#define I2S_MODE_MASTER_RX               ((SPI_I2SCFGR_I2SCFG_0 | SPI_I2SCFGR_I2SCFG_1))
189
/**
190
  * @}
191
  */
192
 
193
/** @defgroup I2S_Standard I2S Standard
194
  * @{
195
  */
196
#define I2S_STANDARD_PHILIPS             (0x00000000U)
197
#define I2S_STANDARD_MSB                 (SPI_I2SCFGR_I2SSTD_0)
198
#define I2S_STANDARD_LSB                 (SPI_I2SCFGR_I2SSTD_1)
199
#define I2S_STANDARD_PCM_SHORT           ((SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1))
200
#define I2S_STANDARD_PCM_LONG            ((SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1 | SPI_I2SCFGR_PCMSYNC))
201
/**
202
  * @}
203
  */
204
 
205
/** @defgroup I2S_Data_Format I2S Data Format
206
  * @{
207
  */
208
#define I2S_DATAFORMAT_16B               (0x00000000U)
209
#define I2S_DATAFORMAT_16B_EXTENDED      (SPI_I2SCFGR_CHLEN)
210
#define I2S_DATAFORMAT_24B               ((SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_0))
211
#define I2S_DATAFORMAT_32B               ((SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_1))
212
/**
213
  * @}
214
  */
215
 
216
/** @defgroup I2S_MCLK_Output I2S MCLK Output
217
  * @{
218
  */
219
#define I2S_MCLKOUTPUT_ENABLE            (SPI_I2SPR_MCKOE)
220
#define I2S_MCLKOUTPUT_DISABLE           (0x00000000U)
221
/**
222
  * @}
223
  */
224
 
225
/** @defgroup I2S_Audio_Frequency I2S Audio Frequency
226
  * @{
227
  */
228
#define I2S_AUDIOFREQ_192K               (192000U)
229
#define I2S_AUDIOFREQ_96K                (96000U)
230
#define I2S_AUDIOFREQ_48K                (48000U)
231
#define I2S_AUDIOFREQ_44K                (44100U)
232
#define I2S_AUDIOFREQ_32K                (32000U)
233
#define I2S_AUDIOFREQ_22K                (22050U)
234
#define I2S_AUDIOFREQ_16K                (16000U)
235
#define I2S_AUDIOFREQ_11K                (11025U)
236
#define I2S_AUDIOFREQ_8K                 (8000U)
237
#define I2S_AUDIOFREQ_DEFAULT            (2U)
238
/**
239
  * @}
240
  */
241
 
242
/** @defgroup I2S_Clock_Polarity I2S Clock Polarity
243
  * @{
244
  */
245
#define I2S_CPOL_LOW                     (0x00000000U)
246
#define I2S_CPOL_HIGH                    (SPI_I2SCFGR_CKPOL)
247
/**
248
  * @}
249
  */
250
 
251
/** @defgroup I2S_Interrupts_Definition I2S Interrupts Definition
252
  * @{
253
  */
254
#define I2S_IT_TXE                       SPI_CR2_TXEIE
255
#define I2S_IT_RXNE                      SPI_CR2_RXNEIE
256
#define I2S_IT_ERR                       SPI_CR2_ERRIE
257
/**
258
  * @}
259
  */
260
 
261
/** @defgroup I2S_Flags_Definition I2S Flags Definition
262
  * @{
263
  */
264
#define I2S_FLAG_TXE                     SPI_SR_TXE
265
#define I2S_FLAG_RXNE                    SPI_SR_RXNE
266
 
267
#define I2S_FLAG_UDR                     SPI_SR_UDR
268
#define I2S_FLAG_OVR                     SPI_SR_OVR
269
#define I2S_FLAG_FRE                     SPI_SR_FRE
270
 
271
#define I2S_FLAG_CHSIDE                  SPI_SR_CHSIDE
272
#define I2S_FLAG_BSY                     SPI_SR_BSY
273
 
274
#define I2S_FLAG_MASK                   (SPI_SR_RXNE\
275
                                         | SPI_SR_TXE | SPI_SR_UDR | SPI_SR_OVR | SPI_SR_CHSIDE | SPI_SR_BSY)
276
/**
277
  * @}
278
  */
279
 
280
/**
281
  * @}
282
  */
283
 
284
/* Exported macros -----------------------------------------------------------*/
285
/** @defgroup I2S_Exported_macros I2S Exported Macros
286
  * @{
287
  */
288
 
289
/** @brief  Reset I2S handle state
290
  * @param  __HANDLE__ specifies the I2S Handle.
291
  * @retval None
292
  */
293
#if (USE_HAL_I2S_REGISTER_CALLBACKS == 1U)
294
#define __HAL_I2S_RESET_HANDLE_STATE(__HANDLE__)                do{                                                  \
295
                                                                    (__HANDLE__)->State = HAL_I2S_STATE_RESET;       \
296
                                                                    (__HANDLE__)->MspInitCallback = NULL;            \
297
                                                                    (__HANDLE__)->MspDeInitCallback = NULL;          \
298
                                                                  } while(0)
299
#else
300
#define __HAL_I2S_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2S_STATE_RESET)
301
#endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
302
 
303
/** @brief  Enable the specified SPI peripheral (in I2S mode).
304
  * @param  __HANDLE__ specifies the I2S Handle.
305
  * @retval None
306
  */
307
#define __HAL_I2S_ENABLE(__HANDLE__)    (SET_BIT((__HANDLE__)->Instance->I2SCFGR, SPI_I2SCFGR_I2SE))
308
 
309
/** @brief  Disable the specified SPI peripheral (in I2S mode).
310
  * @param  __HANDLE__ specifies the I2S Handle.
311
  * @retval None
312
  */
313
#define __HAL_I2S_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->I2SCFGR, SPI_I2SCFGR_I2SE))
314
 
315
/** @brief  Enable the specified I2S interrupts.
316
  * @param  __HANDLE__ specifies the I2S Handle.
317
  * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
318
  *         This parameter can be one of the following values:
319
  *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable
320
  *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
321
  *            @arg I2S_IT_ERR: Error interrupt enable
322
  * @retval None
323
  */
324
#define __HAL_I2S_ENABLE_IT(__HANDLE__, __INTERRUPT__)    (SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)))
325
 
326
/** @brief  Disable the specified I2S interrupts.
327
  * @param  __HANDLE__ specifies the I2S Handle.
328
  * @param  __INTERRUPT__ specifies the interrupt source to enable or disable.
329
  *         This parameter can be one of the following values:
330
  *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable
331
  *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
332
  *            @arg I2S_IT_ERR: Error interrupt enable
333
  * @retval None
334
  */
335
#define __HAL_I2S_DISABLE_IT(__HANDLE__, __INTERRUPT__) (CLEAR_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)))
336
 
337
/** @brief  Checks if the specified I2S interrupt source is enabled or disabled.
338
  * @param  __HANDLE__ specifies the I2S Handle.
339
  *         This parameter can be I2S where x: 1, 2, or 3 to select the I2S peripheral.
340
  * @param  __INTERRUPT__ specifies the I2S interrupt source to check.
341
  *          This parameter can be one of the following values:
342
  *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable
343
  *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
344
  *            @arg I2S_IT_ERR: Error interrupt enable
345
  * @retval The new state of __IT__ (TRUE or FALSE).
346
  */
347
#define __HAL_I2S_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2\
348
                                                              & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
349
 
350
/** @brief  Checks whether the specified I2S flag is set or not.
351
  * @param  __HANDLE__ specifies the I2S Handle.
352
  * @param  __FLAG__ specifies the flag to check.
353
  *         This parameter can be one of the following values:
354
  *            @arg I2S_FLAG_RXNE: Receive buffer not empty flag
355
  *            @arg I2S_FLAG_TXE: Transmit buffer empty flag
356
  *            @arg I2S_FLAG_UDR: Underrun flag
357
  *            @arg I2S_FLAG_OVR: Overrun flag
358
  *            @arg I2S_FLAG_FRE: Frame error flag
359
  *            @arg I2S_FLAG_CHSIDE: Channel Side flag
360
  *            @arg I2S_FLAG_BSY: Busy flag
361
  * @retval The new state of __FLAG__ (TRUE or FALSE).
362
  */
363
#define __HAL_I2S_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
364
 
365
/** @brief Clears the I2S OVR pending flag.
366
  * @param  __HANDLE__ specifies the I2S Handle.
367
  * @retval None
368
  */
369
#define __HAL_I2S_CLEAR_OVRFLAG(__HANDLE__) do{ \
370
                                                __IO uint32_t tmpreg_ovr = 0x00U; \
371
                                                tmpreg_ovr = (__HANDLE__)->Instance->DR; \
372
                                                tmpreg_ovr = (__HANDLE__)->Instance->SR; \
373
                                                UNUSED(tmpreg_ovr); \
374
                                              }while(0U)
375
/** @brief Clears the I2S UDR pending flag.
376
  * @param  __HANDLE__ specifies the I2S Handle.
377
  * @retval None
378
  */
379
#define __HAL_I2S_CLEAR_UDRFLAG(__HANDLE__) do{\
380
                                                __IO uint32_t tmpreg_udr = 0x00U;\
381
                                                tmpreg_udr = ((__HANDLE__)->Instance->SR);\
382
                                                UNUSED(tmpreg_udr); \
383
                                              }while(0U)
384
/** @brief Flush the I2S DR Register.
385
  * @param  __HANDLE__ specifies the I2S Handle.
386
  * @retval None
387
  */
388
#define __HAL_I2S_FLUSH_RX_DR(__HANDLE__)  do{\
389
                                                __IO uint32_t tmpreg_dr = 0x00U;\
390
                                                tmpreg_dr = ((__HANDLE__)->Instance->DR);\
391
                                                UNUSED(tmpreg_dr); \
392
                                              }while(0U)
393
/**
394
  * @}
395
  */
396
 
397
/* Exported functions --------------------------------------------------------*/
398
/** @addtogroup I2S_Exported_Functions
399
  * @{
400
  */
401
 
402
/** @addtogroup I2S_Exported_Functions_Group1
403
  * @{
404
  */
405
/* Initialization/de-initialization functions  ********************************/
406
HAL_StatusTypeDef HAL_I2S_Init(I2S_HandleTypeDef *hi2s);
407
HAL_StatusTypeDef HAL_I2S_DeInit(I2S_HandleTypeDef *hi2s);
408
void HAL_I2S_MspInit(I2S_HandleTypeDef *hi2s);
409
void HAL_I2S_MspDeInit(I2S_HandleTypeDef *hi2s);
410
 
411
/* Callbacks Register/UnRegister functions  ***********************************/
412
#if (USE_HAL_I2S_REGISTER_CALLBACKS == 1U)
413
HAL_StatusTypeDef HAL_I2S_RegisterCallback(I2S_HandleTypeDef *hi2s, HAL_I2S_CallbackIDTypeDef CallbackID,
414
                                           pI2S_CallbackTypeDef pCallback);
415
HAL_StatusTypeDef HAL_I2S_UnRegisterCallback(I2S_HandleTypeDef *hi2s, HAL_I2S_CallbackIDTypeDef CallbackID);
416
#endif /* USE_HAL_I2S_REGISTER_CALLBACKS */
417
/**
418
  * @}
419
  */
420
 
421
/** @addtogroup I2S_Exported_Functions_Group2
422
  * @{
423
  */
424
/* I/O operation functions  ***************************************************/
425
/* Blocking mode: Polling */
426
HAL_StatusTypeDef HAL_I2S_Transmit(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
427
HAL_StatusTypeDef HAL_I2S_Receive(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size, uint32_t Timeout);
428
 
429
/* Non-Blocking mode: Interrupt */
430
HAL_StatusTypeDef HAL_I2S_Transmit_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
431
HAL_StatusTypeDef HAL_I2S_Receive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
432
void HAL_I2S_IRQHandler(I2S_HandleTypeDef *hi2s);
433
 
434
/* Non-Blocking mode: DMA */
435
HAL_StatusTypeDef HAL_I2S_Transmit_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
436
HAL_StatusTypeDef HAL_I2S_Receive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pData, uint16_t Size);
437
 
438
HAL_StatusTypeDef HAL_I2S_DMAPause(I2S_HandleTypeDef *hi2s);
439
HAL_StatusTypeDef HAL_I2S_DMAResume(I2S_HandleTypeDef *hi2s);
440
HAL_StatusTypeDef HAL_I2S_DMAStop(I2S_HandleTypeDef *hi2s);
441
 
442
/* Callbacks used in non blocking modes (Interrupt and DMA) *******************/
443
void HAL_I2S_TxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
444
void HAL_I2S_TxCpltCallback(I2S_HandleTypeDef *hi2s);
445
void HAL_I2S_RxHalfCpltCallback(I2S_HandleTypeDef *hi2s);
446
void HAL_I2S_RxCpltCallback(I2S_HandleTypeDef *hi2s);
447
void HAL_I2S_ErrorCallback(I2S_HandleTypeDef *hi2s);
448
/**
449
  * @}
450
  */
451
 
452
/** @addtogroup I2S_Exported_Functions_Group3
453
  * @{
454
  */
455
/* Peripheral Control and State functions  ************************************/
456
HAL_I2S_StateTypeDef HAL_I2S_GetState(I2S_HandleTypeDef *hi2s);
457
uint32_t HAL_I2S_GetError(I2S_HandleTypeDef *hi2s);
458
/**
459
  * @}
460
  */
461
 
462
/**
463
  * @}
464
  */
465
 
466
/* Private types -------------------------------------------------------------*/
467
/* Private variables ---------------------------------------------------------*/
468
/* Private constants ---------------------------------------------------------*/
469
/* Private macros ------------------------------------------------------------*/
470
/** @defgroup I2S_Private_Macros I2S Private Macros
471
  * @{
472
  */
473
 
474
/** @brief  Check whether the specified SPI flag is set or not.
475
  * @param  __SR__  copy of I2S SR register.
476
  * @param  __FLAG__ specifies the flag to check.
477
  *         This parameter can be one of the following values:
478
  *            @arg I2S_FLAG_RXNE: Receive buffer not empty flag
479
  *            @arg I2S_FLAG_TXE: Transmit buffer empty flag
480
  *            @arg I2S_FLAG_UDR: Underrun error flag
481
  *            @arg I2S_FLAG_OVR: Overrun flag
482
  *            @arg I2S_FLAG_CHSIDE: Channel side flag
483
  *            @arg I2S_FLAG_BSY: Busy flag
484
  * @retval SET or RESET.
485
  */
486
#define I2S_CHECK_FLAG(__SR__, __FLAG__)         ((((__SR__)\
487
                                                    & ((__FLAG__) & I2S_FLAG_MASK)) == ((__FLAG__) & I2S_FLAG_MASK)) ? SET : RESET)
488
 
489
/** @brief  Check whether the specified SPI Interrupt is set or not.
490
  * @param  __CR2__  copy of I2S CR2 register.
491
  * @param  __INTERRUPT__ specifies the SPI interrupt source to check.
492
  *         This parameter can be one of the following values:
493
  *            @arg I2S_IT_TXE: Tx buffer empty interrupt enable
494
  *            @arg I2S_IT_RXNE: RX buffer not empty interrupt enable
495
  *            @arg I2S_IT_ERR: Error interrupt enable
496
  * @retval SET or RESET.
497
  */
498
#define I2S_CHECK_IT_SOURCE(__CR2__, __INTERRUPT__)      ((((__CR2__)\
499
                                                            & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
500
 
501
/** @brief  Checks if I2S Mode parameter is in allowed range.
502
  * @param  __MODE__ specifies the I2S Mode.
503
  *         This parameter can be a value of @ref I2S_Mode
504
  * @retval None
505
  */
506
#define IS_I2S_MODE(__MODE__) (((__MODE__) == I2S_MODE_SLAVE_TX)  || \
507
                               ((__MODE__) == I2S_MODE_SLAVE_RX)  || \
508
                               ((__MODE__) == I2S_MODE_MASTER_TX) || \
509
                               ((__MODE__) == I2S_MODE_MASTER_RX))
510
 
511
#define IS_I2S_STANDARD(__STANDARD__) (((__STANDARD__) == I2S_STANDARD_PHILIPS)   || \
512
                                       ((__STANDARD__) == I2S_STANDARD_MSB)       || \
513
                                       ((__STANDARD__) == I2S_STANDARD_LSB)       || \
514
                                       ((__STANDARD__) == I2S_STANDARD_PCM_SHORT) || \
515
                                       ((__STANDARD__) == I2S_STANDARD_PCM_LONG))
516
 
517
#define IS_I2S_DATA_FORMAT(__FORMAT__) (((__FORMAT__) == I2S_DATAFORMAT_16B)          || \
518
                                        ((__FORMAT__) == I2S_DATAFORMAT_16B_EXTENDED) || \
519
                                        ((__FORMAT__) == I2S_DATAFORMAT_24B)          || \
520
                                        ((__FORMAT__) == I2S_DATAFORMAT_32B))
521
 
522
#define IS_I2S_MCLK_OUTPUT(__OUTPUT__) (((__OUTPUT__) == I2S_MCLKOUTPUT_ENABLE) || \
523
                                        ((__OUTPUT__) == I2S_MCLKOUTPUT_DISABLE))
524
 
525
#define IS_I2S_AUDIO_FREQ(__FREQ__) ((((__FREQ__) >= I2S_AUDIOFREQ_8K)    && \
526
                                      ((__FREQ__) <= I2S_AUDIOFREQ_192K)) || \
527
                                     ((__FREQ__) == I2S_AUDIOFREQ_DEFAULT))
528
 
529
/** @brief  Checks if I2S Serial clock steady state parameter is in allowed range.
530
  * @param  __CPOL__ specifies the I2S serial clock steady state.
531
  *         This parameter can be a value of @ref I2S_Clock_Polarity
532
  * @retval None
533
  */
534
#define IS_I2S_CPOL(__CPOL__) (((__CPOL__) == I2S_CPOL_LOW) || \
535
                               ((__CPOL__) == I2S_CPOL_HIGH))
536
 
537
/**
538
  * @}
539
  */
540
 
541
/**
542
  * @}
543
  */
544
 
545
/**
546
  * @}
547
  */
548
#endif /* SPI_I2S_SUPPORT */
549
 
550
#ifdef __cplusplus
551
}
552
#endif
553
 
554
#endif /* STM32F1xx_HAL_I2S_H */
555
 
556
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/