1 /**
2   ******************************************************************************
3   * @file    stm32f2xx_hal_irda.h
4   * @author  MCD Application Team
5   * @brief   Header file of IRDA HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2016 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef __STM32F2xx_HAL_IRDA_H
21 #define __STM32F2xx_HAL_IRDA_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32f2xx_hal_def.h"
29 
30 /** @addtogroup STM32F2xx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup IRDA
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup IRDA_Exported_Types IRDA Exported Types
40   * @{
41   */
42 /**
43   * @brief IRDA Init Structure definition
44   */
45 typedef struct
46 {
47   uint32_t BaudRate;                  /*!< This member configures the IRDA communication baud rate.
48                                            The baud rate is computed using the following formula:
49                                            - IntegerDivider = ((PCLKx) / (8 * (hirda->Init.BaudRate)))
50                                            - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */
51 
52   uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
53                                            This parameter can be a value of @ref IRDA_Word_Length */
54 
55   uint32_t Parity;                    /*!< Specifies the parity mode.
56                                            This parameter can be a value of @ref IRDA_Parity
57                                            @note When parity is enabled, the computed parity is inserted
58                                                  at the MSB position of the transmitted data (9th bit when
59                                                  the word length is set to 9 data bits; 8th bit when the
60                                                  word length is set to 8 data bits). */
61 
62   uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
63                                            This parameter can be a value of @ref IRDA_Mode */
64 
65   uint8_t  Prescaler;                 /*!< Specifies the Prescaler value to be programmed
66                                            in the IrDA low-power Baud Register, for defining pulse width on which
67                                            burst acceptance/rejection will be decided. This value is used as divisor
68                                            of system clock to achieve required pulse width. */
69 
70   uint32_t IrDAMode;                  /*!< Specifies the IrDA mode
71                                            This parameter can be a value of @ref IRDA_Low_Power */
72 } IRDA_InitTypeDef;
73 
74 /**
75   * @brief HAL IRDA State structures definition
76   * @note  HAL IRDA State value is a combination of 2 different substates: gState and RxState.
77   *        - gState contains IRDA state information related to global Handle management
78   *          and also information related to Tx operations.
79   *          gState value coding follow below described bitmap :
80   *          b7-b6  Error information
81   *             00 : No Error
82   *             01 : (Not Used)
83   *             10 : Timeout
84   *             11 : Error
85   *          b5     IP initialisation status
86   *             0  : Reset (IP not initialized)
87   *             1  : Init done (IP initialized. HAL IRDA Init function already called)
88   *          b4-b3  (not used)
89   *             xx : Should be set to 00
90   *          b2     Intrinsic process state
91   *             0  : Ready
92   *             1  : Busy (IP busy with some configuration or internal operations)
93   *          b1     (not used)
94   *             x  : Should be set to 0
95   *          b0     Tx state
96   *             0  : Ready (no Tx operation ongoing)
97   *             1  : Busy (Tx operation ongoing)
98   *        - RxState contains information related to Rx operations.
99   *          RxState value coding follow below described bitmap :
100   *          b7-b6  (not used)
101   *             xx : Should be set to 00
102   *          b5     IP initialisation status
103   *             0  : Reset (IP not initialized)
104   *             1  : Init done (IP initialized)
105   *          b4-b2  (not used)
106   *            xxx : Should be set to 000
107   *          b1     Rx state
108   *             0  : Ready (no Rx operation ongoing)
109   *             1  : Busy (Rx operation ongoing)
110   *          b0     (not used)
111   *             x  : Should be set to 0.
112   */
113 typedef enum
114 {
115   HAL_IRDA_STATE_RESET             = 0x00U,    /*!< Peripheral is not yet Initialized
116                                                    Value is allowed for gState and RxState */
117   HAL_IRDA_STATE_READY             = 0x20U,    /*!< Peripheral Initialized and ready for use
118                                                    Value is allowed for gState and RxState */
119   HAL_IRDA_STATE_BUSY              = 0x24U,    /*!< An internal process is ongoing
120                                                    Value is allowed for gState only */
121   HAL_IRDA_STATE_BUSY_TX           = 0x21U,    /*!< Data Transmission process is ongoing
122                                                    Value is allowed for gState only */
123   HAL_IRDA_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing
124                                                    Value is allowed for RxState only */
125   HAL_IRDA_STATE_BUSY_TX_RX        = 0x23U,    /*!< Data Transmission and Reception process is ongoing
126                                                    Not to be used for neither gState nor RxState.
127                                                    Value is result of combination (Or) between gState and RxState values */
128   HAL_IRDA_STATE_TIMEOUT           = 0xA0U,    /*!< Timeout state
129                                                    Value is allowed for gState only */
130   HAL_IRDA_STATE_ERROR             = 0xE0U     /*!< Error
131                                                    Value is allowed for gState only */
132 } HAL_IRDA_StateTypeDef;
133 
134 /**
135   * @brief IRDA handle Structure definition
136   */
137 #if (USE_HAL_IRDA_REGISTER_CALLBACKS == 1)
138 typedef struct __IRDA_HandleTypeDef
139 #else
140 typedef struct
141 #endif  /* USE_HAL_IRDA_REGISTER_CALLBACKS */
142 {
143   USART_TypeDef               *Instance;        /*!<  USART registers base address       */
144 
145   IRDA_InitTypeDef            Init;             /*!<  IRDA communication parameters      */
146 
147   const uint8_t               *pTxBuffPtr;      /*!<  Pointer to IRDA Tx transfer Buffer */
148 
149   uint16_t                    TxXferSize;       /*!<  IRDA Tx Transfer size              */
150 
151   __IO uint16_t               TxXferCount;      /*!<  IRDA Tx Transfer Counter           */
152 
153   uint8_t                     *pRxBuffPtr;      /*!<  Pointer to IRDA Rx transfer Buffer */
154 
155   uint16_t                    RxXferSize;       /*!<  IRDA Rx Transfer size              */
156 
157   __IO uint16_t               RxXferCount;      /*!<  IRDA Rx Transfer Counter           */
158 
159   DMA_HandleTypeDef           *hdmatx;          /*!<  IRDA Tx DMA Handle parameters      */
160 
161   DMA_HandleTypeDef           *hdmarx;          /*!<  IRDA Rx DMA Handle parameters      */
162 
163   HAL_LockTypeDef             Lock;             /*!<  Locking object                     */
164 
165   __IO HAL_IRDA_StateTypeDef  gState;           /*!<  IRDA state information related to global Handle management
166                                                    and also related to Tx operations.
167                                                    This parameter can be a value of @ref HAL_IRDA_StateTypeDef */
168 
169   __IO HAL_IRDA_StateTypeDef  RxState;          /*!<  IRDA state information related to Rx operations.
170                                                    This parameter can be a value of @ref HAL_IRDA_StateTypeDef */
171 
172   __IO uint32_t               ErrorCode;        /*!< IRDA Error code                    */
173 
174 #if (USE_HAL_IRDA_REGISTER_CALLBACKS == 1)
175   void (* TxHalfCpltCallback)(struct __IRDA_HandleTypeDef *hirda);        /*!< IRDA Tx Half Complete Callback        */
176 
177   void (* TxCpltCallback)(struct __IRDA_HandleTypeDef *hirda);            /*!< IRDA Tx Complete Callback             */
178 
179   void (* RxHalfCpltCallback)(struct __IRDA_HandleTypeDef *hirda);        /*!< IRDA Rx Half Complete Callback        */
180 
181   void (* RxCpltCallback)(struct __IRDA_HandleTypeDef *hirda);            /*!< IRDA Rx Complete Callback             */
182 
183   void (* ErrorCallback)(struct __IRDA_HandleTypeDef *hirda);             /*!< IRDA Error Callback                   */
184 
185   void (* AbortCpltCallback)(struct __IRDA_HandleTypeDef *hirda);         /*!< IRDA Abort Complete Callback          */
186 
187   void (* AbortTransmitCpltCallback)(struct __IRDA_HandleTypeDef *hirda); /*!< IRDA Abort Transmit Complete Callback */
188 
189   void (* AbortReceiveCpltCallback)(struct __IRDA_HandleTypeDef *hirda);  /*!< IRDA Abort Receive Complete Callback  */
190 
191 
192   void (* MspInitCallback)(struct __IRDA_HandleTypeDef *hirda);           /*!< IRDA Msp Init callback                */
193 
194   void (* MspDeInitCallback)(struct __IRDA_HandleTypeDef *hirda);         /*!< IRDA Msp DeInit callback              */
195 #endif  /* USE_HAL_IRDA_REGISTER_CALLBACKS */
196 
197 } IRDA_HandleTypeDef;
198 
199 #if (USE_HAL_IRDA_REGISTER_CALLBACKS == 1)
200 /**
201   * @brief  HAL IRDA Callback ID enumeration definition
202   */
203 typedef enum
204 {
205   HAL_IRDA_TX_HALFCOMPLETE_CB_ID         = 0x00U,    /*!< IRDA Tx Half Complete Callback ID        */
206   HAL_IRDA_TX_COMPLETE_CB_ID             = 0x01U,    /*!< IRDA Tx Complete Callback ID             */
207   HAL_IRDA_RX_HALFCOMPLETE_CB_ID         = 0x02U,    /*!< IRDA Rx Half Complete Callback ID        */
208   HAL_IRDA_RX_COMPLETE_CB_ID             = 0x03U,    /*!< IRDA Rx Complete Callback ID             */
209   HAL_IRDA_ERROR_CB_ID                   = 0x04U,    /*!< IRDA Error Callback ID                   */
210   HAL_IRDA_ABORT_COMPLETE_CB_ID          = 0x05U,    /*!< IRDA Abort Complete Callback ID          */
211   HAL_IRDA_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U,    /*!< IRDA Abort Transmit Complete Callback ID */
212   HAL_IRDA_ABORT_RECEIVE_COMPLETE_CB_ID  = 0x07U,    /*!< IRDA Abort Receive Complete Callback ID  */
213 
214   HAL_IRDA_MSPINIT_CB_ID                 = 0x08U,    /*!< IRDA MspInit callback ID                 */
215   HAL_IRDA_MSPDEINIT_CB_ID               = 0x09U     /*!< IRDA MspDeInit callback ID               */
216 
217 } HAL_IRDA_CallbackIDTypeDef;
218 
219 /**
220   * @brief  HAL IRDA Callback pointer definition
221   */
222 typedef  void (*pIRDA_CallbackTypeDef)(IRDA_HandleTypeDef *hirda);  /*!< pointer to an IRDA callback function */
223 
224 #endif /* USE_HAL_IRDA_REGISTER_CALLBACKS */
225 
226 /**
227   * @}
228   */
229 
230 /* Exported constants --------------------------------------------------------*/
231 /** @defgroup IRDA_Exported_Constants IRDA Exported constants
232   * @{
233   */
234 /** @defgroup IRDA_Error_Code IRDA Error Code
235   * @{
236   */
237 #define HAL_IRDA_ERROR_NONE        0x00000000U   /*!< No error            */
238 #define HAL_IRDA_ERROR_PE          0x00000001U   /*!< Parity error        */
239 #define HAL_IRDA_ERROR_NE          0x00000002U   /*!< Noise error         */
240 #define HAL_IRDA_ERROR_FE          0x00000004U   /*!< Frame error         */
241 #define HAL_IRDA_ERROR_ORE         0x00000008U   /*!< Overrun error       */
242 #define HAL_IRDA_ERROR_DMA         0x00000010U   /*!< DMA transfer error  */
243 #if (USE_HAL_IRDA_REGISTER_CALLBACKS == 1)
244 #define HAL_IRDA_ERROR_INVALID_CALLBACK   ((uint32_t)0x00000020U)   /*!< Invalid Callback error  */
245 #endif /* USE_HAL_IRDA_REGISTER_CALLBACKS */
246 /**
247   * @}
248   */
249 
250 /** @defgroup IRDA_Word_Length IRDA Word Length
251   * @{
252   */
253 #define IRDA_WORDLENGTH_8B         0x00000000U
254 #define IRDA_WORDLENGTH_9B         ((uint32_t)USART_CR1_M)
255 /**
256   * @}
257   */
258 
259 /** @defgroup IRDA_Parity  IRDA Parity
260   * @{
261   */
262 #define IRDA_PARITY_NONE           0x00000000U
263 #define IRDA_PARITY_EVEN           ((uint32_t)USART_CR1_PCE)
264 #define IRDA_PARITY_ODD            ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
265 /**
266   * @}
267   */
268 
269 /** @defgroup IRDA_Mode IRDA Transfer Mode
270   * @{
271   */
272 #define IRDA_MODE_RX               ((uint32_t)USART_CR1_RE)
273 #define IRDA_MODE_TX               ((uint32_t)USART_CR1_TE)
274 #define IRDA_MODE_TX_RX            ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
275 /**
276   * @}
277   */
278 
279 /** @defgroup IRDA_Low_Power IRDA Low Power
280   * @{
281   */
282 #define IRDA_POWERMODE_LOWPOWER    ((uint32_t)USART_CR3_IRLP)
283 #define IRDA_POWERMODE_NORMAL      0x00000000U
284 /**
285   * @}
286   */
287 
288 /** @defgroup IRDA_Flags IRDA Flags
289   *        Elements values convention: 0xXXXX
290   *           - 0xXXXX  : Flag mask in the SR register
291   * @{
292   */
293 #define IRDA_FLAG_TXE              ((uint32_t)USART_SR_TXE)
294 #define IRDA_FLAG_TC               ((uint32_t)USART_SR_TC)
295 #define IRDA_FLAG_RXNE             ((uint32_t)USART_SR_RXNE)
296 #define IRDA_FLAG_IDLE             ((uint32_t)USART_SR_IDLE)
297 #define IRDA_FLAG_ORE              ((uint32_t)USART_SR_ORE)
298 #define IRDA_FLAG_NE               ((uint32_t)USART_SR_NE)
299 #define IRDA_FLAG_FE               ((uint32_t)USART_SR_FE)
300 #define IRDA_FLAG_PE               ((uint32_t)USART_SR_PE)
301 /**
302   * @}
303   */
304 
305 /** @defgroup IRDA_Interrupt_definition IRDA Interrupt Definitions
306   *        Elements values convention: 0xY000XXXX
307   *           - XXXX  : Interrupt mask in the XX register
308   *           - Y  : Interrupt source register (2bits)
309   *                 - 01: CR1 register
310   *                 - 10: CR2 register
311   *                 - 11: CR3 register
312   * @{
313   */
314 #define IRDA_IT_PE                 ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
315 #define IRDA_IT_TXE                ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
316 #define IRDA_IT_TC                 ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
317 #define IRDA_IT_RXNE               ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
318 #define IRDA_IT_IDLE               ((uint32_t)(IRDA_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
319 
320 #define IRDA_IT_LBD                ((uint32_t)(IRDA_CR2_REG_INDEX << 28U | USART_CR2_LBDIE))
321 
322 #define IRDA_IT_CTS                ((uint32_t)(IRDA_CR3_REG_INDEX << 28U | USART_CR3_CTSIE))
323 #define IRDA_IT_ERR                ((uint32_t)(IRDA_CR3_REG_INDEX << 28U | USART_CR3_EIE))
324 /**
325   * @}
326   */
327 
328 /**
329   * @}
330   */
331 
332 /* Exported macro ------------------------------------------------------------*/
333 /** @defgroup IRDA_Exported_Macros IRDA Exported Macros
334   * @{
335   */
336 
337 /** @brief Reset IRDA handle gstate & RxState
338   * @param  __HANDLE__ specifies the IRDA Handle.
339   *         IRDA Handle selects the USARTx or UARTy peripheral
340   *         (USART,UART availability and x,y values depending on device).
341   * @retval None
342   */
343 #if USE_HAL_IRDA_REGISTER_CALLBACKS == 1
344 #define __HAL_IRDA_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
345                                                        (__HANDLE__)->gState = HAL_IRDA_STATE_RESET;      \
346                                                        (__HANDLE__)->RxState = HAL_IRDA_STATE_RESET;     \
347                                                        (__HANDLE__)->MspInitCallback = NULL;             \
348                                                        (__HANDLE__)->MspDeInitCallback = NULL;           \
349                                                      } while(0U)
350 #else
351 #define __HAL_IRDA_RESET_HANDLE_STATE(__HANDLE__)  do{                                                   \
352                                                        (__HANDLE__)->gState = HAL_IRDA_STATE_RESET;      \
353                                                        (__HANDLE__)->RxState = HAL_IRDA_STATE_RESET;     \
354                                                      } while(0U)
355 #endif /*USE_HAL_IRDA_REGISTER_CALLBACKS  */
356 
357 /** @brief  Flush the IRDA DR register
358   * @param  __HANDLE__ specifies the IRDA Handle.
359   *         IRDA Handle selects the USARTx or UARTy peripheral
360   *         (USART,UART availability and x,y values depending on device).
361   * @retval None
362   */
363 #define __HAL_IRDA_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
364 
365 /** @brief  Check whether the specified IRDA flag is set or not.
366   * @param  __HANDLE__ specifies the IRDA Handle.
367   *         IRDA Handle selects the USARTx or UARTy peripheral
368   *         (USART,UART availability and x,y values depending on device).
369   * @param  __FLAG__ specifies the flag to check.
370   *        This parameter can be one of the following values:
371   *            @arg IRDA_FLAG_TXE:  Transmit data register empty flag
372   *            @arg IRDA_FLAG_TC:   Transmission Complete flag
373   *            @arg IRDA_FLAG_RXNE: Receive data register not empty flag
374   *            @arg IRDA_FLAG_IDLE: Idle Line detection flag
375   *            @arg IRDA_FLAG_ORE:  OverRun Error flag
376   *            @arg IRDA_FLAG_NE:   Noise Error flag
377   *            @arg IRDA_FLAG_FE:   Framing Error flag
378   *            @arg IRDA_FLAG_PE:   Parity Error flag
379   * @retval The new state of __FLAG__ (TRUE or FALSE).
380   */
381 #define __HAL_IRDA_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
382 
383 /** @brief  Clear the specified IRDA pending flag.
384   * @param  __HANDLE__ specifies the IRDA Handle.
385   *         IRDA Handle selects the USARTx or UARTy peripheral
386   *         (USART,UART availability and x,y values depending on device).
387   * @param  __FLAG__ specifies the flag to check.
388   *          This parameter can be any combination of the following values:
389   *            @arg IRDA_FLAG_TC:   Transmission Complete flag.
390   *            @arg IRDA_FLAG_RXNE: Receive data register not empty flag.
391   *
392   * @note   PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
393   *          error) and IDLE (Idle line detected) flags are cleared by software
394   *          sequence: a read operation to USART_SR register followed by a read
395   *          operation to USART_DR register.
396   * @note   RXNE flag can be also cleared by a read to the USART_DR register.
397   * @note   TC flag can be also cleared by software sequence: a read operation to
398   *          USART_SR register followed by a write operation to USART_DR register.
399   * @note   TXE flag is cleared only by a write to the USART_DR register.
400   * @retval None
401   */
402 #define __HAL_IRDA_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
403 
404 /** @brief  Clear the IRDA PE pending flag.
405   * @param  __HANDLE__ specifies the IRDA Handle.
406   *         IRDA Handle selects the USARTx or UARTy peripheral
407   *         (USART,UART availability and x,y values depending on device).
408   * @retval None
409   */
410 #define __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)     \
411   do{                                           \
412     __IO uint32_t tmpreg = 0x00U;               \
413     tmpreg = (__HANDLE__)->Instance->SR;        \
414     tmpreg = (__HANDLE__)->Instance->DR;        \
415     UNUSED(tmpreg);                             \
416   } while(0U)
417 
418 /** @brief  Clear the IRDA FE pending flag.
419   * @param  __HANDLE__ specifies the IRDA Handle.
420   *         IRDA Handle selects the USARTx or UARTy peripheral
421   *         (USART,UART availability and x,y values depending on device).
422   * @retval None
423   */
424 #define __HAL_IRDA_CLEAR_FEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)
425 
426 /** @brief  Clear the IRDA NE pending flag.
427   * @param  __HANDLE__ specifies the IRDA Handle.
428   *         IRDA Handle selects the USARTx or UARTy peripheral
429   *         (USART,UART availability and x,y values depending on device).
430   * @retval None
431   */
432 #define __HAL_IRDA_CLEAR_NEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)
433 
434 /** @brief  Clear the IRDA ORE pending flag.
435   * @param  __HANDLE__ specifies the IRDA Handle.
436   *         IRDA Handle selects the USARTx or UARTy peripheral
437   *         (USART,UART availability and x,y values depending on device).
438   * @retval None
439   */
440 #define __HAL_IRDA_CLEAR_OREFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)
441 
442 /** @brief  Clear the IRDA IDLE pending flag.
443   * @param  __HANDLE__ specifies the IRDA Handle.
444   *         IRDA Handle selects the USARTx or UARTy peripheral
445   *         (USART,UART availability and x,y values depending on device).
446   * @retval None
447   */
448 #define __HAL_IRDA_CLEAR_IDLEFLAG(__HANDLE__) __HAL_IRDA_CLEAR_PEFLAG(__HANDLE__)
449 
450 /** @brief  Enable the specified IRDA interrupt.
451   * @param  __HANDLE__ specifies the IRDA Handle.
452   *         IRDA Handle selects the USARTx or UARTy peripheral
453   *         (USART,UART availability and x,y values depending on device).
454   * @param  __INTERRUPT__ specifies the IRDA interrupt source to enable.
455   *          This parameter can be one of the following values:
456   *            @arg IRDA_IT_TXE:  Transmit Data Register empty interrupt
457   *            @arg IRDA_IT_TC:   Transmission complete interrupt
458   *            @arg IRDA_IT_RXNE: Receive Data register not empty interrupt
459   *            @arg IRDA_IT_IDLE: Idle line detection interrupt
460   *            @arg IRDA_IT_PE:   Parity Error interrupt
461   *            @arg IRDA_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
462   * @retval None
463   */
464 #define __HAL_IRDA_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((((__INTERRUPT__) >> 28U) == IRDA_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & IRDA_IT_MASK)): \
465                                                            (((__INTERRUPT__) >> 28U) == IRDA_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |=  ((__INTERRUPT__) & IRDA_IT_MASK)): \
466                                                             ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & IRDA_IT_MASK)))
467 /** @brief  Disable the specified IRDA interrupt.
468   * @param  __HANDLE__ specifies the IRDA Handle.
469   *         IRDA Handle selects the USARTx or UARTy peripheral
470   *         (USART,UART availability and x,y values depending on device).
471   * @param  __INTERRUPT__ specifies the IRDA interrupt source to disable.
472   *          This parameter can be one of the following values:
473   *            @arg IRDA_IT_TXE:  Transmit Data Register empty interrupt
474   *            @arg IRDA_IT_TC:   Transmission complete interrupt
475   *            @arg IRDA_IT_RXNE: Receive Data register not empty interrupt
476   *            @arg IRDA_IT_IDLE: Idle line detection interrupt
477   *            @arg IRDA_IT_PE:   Parity Error interrupt
478   *            @arg IRDA_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
479   * @retval None
480   */
481 #define __HAL_IRDA_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28U) == IRDA_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & IRDA_IT_MASK)): \
482                                                            (((__INTERRUPT__) >> 28U) == IRDA_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & IRDA_IT_MASK)): \
483                                                            ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & IRDA_IT_MASK)))
484 
485 /** @brief  Check whether the specified IRDA interrupt has occurred or not.
486   * @param  __HANDLE__ specifies the IRDA Handle.
487   *         IRDA Handle selects the USARTx or UARTy peripheral
488   *         (USART,UART availability and x,y values depending on device).
489   * @param  __IT__ specifies the IRDA interrupt source to check.
490   *          This parameter can be one of the following values:
491   *            @arg IRDA_IT_TXE: Transmit Data Register empty interrupt
492   *            @arg IRDA_IT_TC:  Transmission complete interrupt
493   *            @arg IRDA_IT_RXNE: Receive Data register not empty interrupt
494   *            @arg IRDA_IT_IDLE: Idle line detection interrupt
495   *            @arg IRDA_IT_ERR: Error interrupt
496   *            @arg IRDA_IT_PE: Parity Error interrupt
497   * @retval The new state of __IT__ (TRUE or FALSE).
498   */
499 #define __HAL_IRDA_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == IRDA_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == IRDA_CR2_REG_INDEX)? \
500                                                       (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & IRDA_IT_MASK))
501 
502 /** @brief  Macro to enable the IRDA's one bit sample method
503   * @param  __HANDLE__ specifies the IRDA Handle.
504   * @retval None
505   */
506 #define __HAL_IRDA_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 |= USART_CR3_ONEBIT)
507 
508 /** @brief  Macro to disable the IRDA's one bit sample method
509   * @param  __HANDLE__ specifies the IRDA Handle.
510   * @retval None
511   */
512 #define __HAL_IRDA_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
513 
514 /** @brief  Enable UART/USART associated to IRDA Handle
515   * @param  __HANDLE__ specifies the IRDA Handle.
516   *         IRDA 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_IRDA_ENABLE(__HANDLE__)                   (SET_BIT((__HANDLE__)->Instance->CR1, USART_CR1_UE))
521 
522 /** @brief  Disable UART/USART associated to IRDA Handle
523   * @param  __HANDLE__ specifies the IRDA Handle.
524   *         IRDA Handle selects the USARTx or UARTy peripheral
525   *         (USART,UART availability and x,y values depending on device).
526   * @retval None
527   */
528 #define __HAL_IRDA_DISABLE(__HANDLE__)                  (CLEAR_BIT((__HANDLE__)->Instance->CR1, USART_CR1_UE))
529 
530 /**
531   * @}
532   */
533 
534 /* Exported functions --------------------------------------------------------*/
535 /** @addtogroup IRDA_Exported_Functions
536   * @{
537   */
538 
539 /** @addtogroup IRDA_Exported_Functions_Group1
540   * @{
541   */
542 /* Initialization/de-initialization functions  **********************************/
543 HAL_StatusTypeDef HAL_IRDA_Init(IRDA_HandleTypeDef *hirda);
544 HAL_StatusTypeDef HAL_IRDA_DeInit(IRDA_HandleTypeDef *hirda);
545 void HAL_IRDA_MspInit(IRDA_HandleTypeDef *hirda);
546 void HAL_IRDA_MspDeInit(IRDA_HandleTypeDef *hirda);
547 
548 #if (USE_HAL_IRDA_REGISTER_CALLBACKS == 1)
549 /* Callbacks Register/UnRegister functions  ***********************************/
550 HAL_StatusTypeDef HAL_IRDA_RegisterCallback(IRDA_HandleTypeDef *hirda, HAL_IRDA_CallbackIDTypeDef CallbackID, pIRDA_CallbackTypeDef pCallback);
551 HAL_StatusTypeDef HAL_IRDA_UnRegisterCallback(IRDA_HandleTypeDef *hirda, HAL_IRDA_CallbackIDTypeDef CallbackID);
552 #endif /* USE_HAL_IRDA_REGISTER_CALLBACKS */
553 
554 /**
555   * @}
556   */
557 
558 /** @addtogroup IRDA_Exported_Functions_Group2
559   * @{
560   */
561 /* IO operation functions *******************************************************/
562 HAL_StatusTypeDef HAL_IRDA_Transmit(IRDA_HandleTypeDef *hirda, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
563 HAL_StatusTypeDef HAL_IRDA_Receive(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size, uint32_t Timeout);
564 HAL_StatusTypeDef HAL_IRDA_Transmit_IT(IRDA_HandleTypeDef *hirda, const uint8_t *pData, uint16_t Size);
565 HAL_StatusTypeDef HAL_IRDA_Receive_IT(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size);
566 HAL_StatusTypeDef HAL_IRDA_Transmit_DMA(IRDA_HandleTypeDef *hirda, const uint8_t *pData, uint16_t Size);
567 HAL_StatusTypeDef HAL_IRDA_Receive_DMA(IRDA_HandleTypeDef *hirda, uint8_t *pData, uint16_t Size);
568 HAL_StatusTypeDef HAL_IRDA_DMAPause(IRDA_HandleTypeDef *hirda);
569 HAL_StatusTypeDef HAL_IRDA_DMAResume(IRDA_HandleTypeDef *hirda);
570 HAL_StatusTypeDef HAL_IRDA_DMAStop(IRDA_HandleTypeDef *hirda);
571 /* Transfer Abort functions */
572 HAL_StatusTypeDef HAL_IRDA_Abort(IRDA_HandleTypeDef *hirda);
573 HAL_StatusTypeDef HAL_IRDA_AbortTransmit(IRDA_HandleTypeDef *hirda);
574 HAL_StatusTypeDef HAL_IRDA_AbortReceive(IRDA_HandleTypeDef *hirda);
575 HAL_StatusTypeDef HAL_IRDA_Abort_IT(IRDA_HandleTypeDef *hirda);
576 HAL_StatusTypeDef HAL_IRDA_AbortTransmit_IT(IRDA_HandleTypeDef *hirda);
577 HAL_StatusTypeDef HAL_IRDA_AbortReceive_IT(IRDA_HandleTypeDef *hirda);
578 
579 void HAL_IRDA_IRQHandler(IRDA_HandleTypeDef *hirda);
580 void HAL_IRDA_TxCpltCallback(IRDA_HandleTypeDef *hirda);
581 void HAL_IRDA_RxCpltCallback(IRDA_HandleTypeDef *hirda);
582 void HAL_IRDA_TxHalfCpltCallback(IRDA_HandleTypeDef *hirda);
583 void HAL_IRDA_RxHalfCpltCallback(IRDA_HandleTypeDef *hirda);
584 void HAL_IRDA_ErrorCallback(IRDA_HandleTypeDef *hirda);
585 void HAL_IRDA_AbortCpltCallback(IRDA_HandleTypeDef *hirda);
586 void HAL_IRDA_AbortTransmitCpltCallback(IRDA_HandleTypeDef *hirda);
587 void HAL_IRDA_AbortReceiveCpltCallback(IRDA_HandleTypeDef *hirda);
588 /**
589   * @}
590   */
591 
592 /** @addtogroup IRDA_Exported_Functions_Group3
593   * @{
594   */
595 /* Peripheral State functions  **************************************************/
596 HAL_IRDA_StateTypeDef HAL_IRDA_GetState(const IRDA_HandleTypeDef *hirda);
597 uint32_t HAL_IRDA_GetError(const IRDA_HandleTypeDef *hirda);
598 /**
599   * @}
600   */
601 
602 /**
603   * @}
604   */
605 
606 /* Private types -------------------------------------------------------------*/
607 /* Private variables ---------------------------------------------------------*/
608 /* Private constants ---------------------------------------------------------*/
609 /** @defgroup IRDA_Private_Constants IRDA Private Constants
610   * @{
611   */
612 
613 /** @brief IRDA interruptions flag mask
614   *
615   */
616 #define IRDA_IT_MASK  ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \
617                                   USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE )
618 
619 #define IRDA_CR1_REG_INDEX         1U
620 #define IRDA_CR2_REG_INDEX         2U
621 #define IRDA_CR3_REG_INDEX         3U
622 /**
623   * @}
624   */
625 
626 /* Private macros --------------------------------------------------------*/
627 /** @defgroup IRDA_Private_Macros   IRDA Private Macros
628   * @{
629   */
630 #define IS_IRDA_WORD_LENGTH(LENGTH)   (((LENGTH) == IRDA_WORDLENGTH_8B) || \
631                                        ((LENGTH) == IRDA_WORDLENGTH_9B))
632 
633 #define IS_IRDA_PARITY(PARITY)        (((PARITY) == IRDA_PARITY_NONE) || \
634                                        ((PARITY) == IRDA_PARITY_EVEN) || \
635                                        ((PARITY) == IRDA_PARITY_ODD))
636 
637 #define IS_IRDA_MODE(MODE)            ((((MODE) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x00000000U))
638 
639 #define IS_IRDA_POWERMODE(MODE)       (((MODE) == IRDA_POWERMODE_LOWPOWER) || \
640                                        ((MODE) == IRDA_POWERMODE_NORMAL))
641 
642 #define IS_IRDA_BAUDRATE(BAUDRATE)    ((BAUDRATE) < 115201U)
643 
644 #define IRDA_DIV(_PCLK_, _BAUD_)      (((_PCLK_)*25U)/(4U*(_BAUD_)))
645 
646 #define IRDA_DIVMANT(_PCLK_, _BAUD_)  (IRDA_DIV((_PCLK_), (_BAUD_))/100U)
647 
648 #define IRDA_DIVFRAQ(_PCLK_, _BAUD_)  ((((IRDA_DIV((_PCLK_), (_BAUD_)) - (IRDA_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U) + 50U) / 100U)
649 
650 /* UART BRR = mantissa + overflow + fraction
651             = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */
652 #define IRDA_BRR(_PCLK_, _BAUD_)      (((IRDA_DIVMANT((_PCLK_), (_BAUD_)) << 4U) + \
653                                         (IRDA_DIVFRAQ((_PCLK_), (_BAUD_)) & 0xF0U)) + \
654                                         (IRDA_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
655 
656 /**
657   * @}
658   */
659 
660 /* Private functions ---------------------------------------------------------*/
661 /** @defgroup IRDA_Private_Functions IRDA Private Functions
662   * @{
663   */
664 
665 /**
666   * @}
667   */
668 
669 /**
670   * @}
671   */
672 
673 /**
674   * @}
675   */
676 
677 #ifdef __cplusplus
678 }
679 #endif
680 
681 #endif /* __STM32F2xx_HAL_IRDA_H */
682 
683