2 ******************************************************************************
3 * @file stm32f4xx_hal_cec.h
4 * @author MCD Application Team
7 * @brief Header file of CEC HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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14 * are permitted provided that the following conditions are met:
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35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F4xx_HAL_CEC_H
40 #define __STM32F4xx_HAL_CEC_H
46 #if defined(STM32F446xx)
47 /* Includes ------------------------------------------------------------------*/
48 #include "stm32f4xx_hal_def.h"
50 /** @addtogroup STM32F4xx_HAL_Driver
58 /* Exported types ------------------------------------------------------------*/
59 /** @defgroup CEC_Exported_Types CEC Exported Types
64 * @brief CEC Init Structure definition
68 uint32_t SignalFreeTime
; /*!< Set SFT field, specifies the Signal Free Time.
69 It can be one of @ref CEC_Signal_Free_Time
70 and belongs to the set {0,...,7} where
71 0x0 is the default configuration
72 else means 0.5 + (SignalFreeTime - 1) nominal data bit periods */
74 uint32_t Tolerance
; /*!< Set RXTOL bit, specifies the tolerance accepted on the received waveforms,
75 it can be a value of @ref CEC_Tolerance : it is either CEC_STANDARD_TOLERANCE
76 or CEC_EXTENDED_TOLERANCE */
78 uint32_t BRERxStop
; /*!< Set BRESTP bit @ref CEC_BRERxStop : specifies whether or not a Bit Rising Error stops the reception.
79 CEC_NO_RX_STOP_ON_BRE: reception is not stopped.
80 CEC_RX_STOP_ON_BRE: reception is stopped. */
82 uint32_t BREErrorBitGen
; /*!< Set BREGEN bit @ref CEC_BREErrorBitGen : specifies whether or not an Error-Bit is generated on the
83 CEC line upon Bit Rising Error detection.
84 CEC_BRE_ERRORBIT_NO_GENERATION: no error-bit generation.
85 CEC_BRE_ERRORBIT_GENERATION: error-bit generation if BRESTP is set. */
87 uint32_t LBPEErrorBitGen
; /*!< Set LBPEGEN bit @ref CEC_LBPEErrorBitGen : specifies whether or not an Error-Bit is generated on the
88 CEC line upon Long Bit Period Error detection.
89 CEC_LBPE_ERRORBIT_NO_GENERATION: no error-bit generation.
90 CEC_LBPE_ERRORBIT_GENERATION: error-bit generation. */
92 uint32_t BroadcastMsgNoErrorBitGen
; /*!< Set BRDNOGEN bit @ref CEC_BroadCastMsgErrorBitGen : allows to avoid an Error-Bit generation on the CEC line
93 upon an error detected on a broadcast message.
95 It supersedes BREGEN and LBPEGEN bits for a broadcast message error handling. It can take two values:
97 1) CEC_BROADCASTERROR_ERRORBIT_GENERATION.
98 a) BRE detection: error-bit generation on the CEC line if BRESTP=CEC_RX_STOP_ON_BRE
99 and BREGEN=CEC_BRE_ERRORBIT_NO_GENERATION.
100 b) LBPE detection: error-bit generation on the CEC line
101 if LBPGEN=CEC_LBPE_ERRORBIT_NO_GENERATION.
103 2) CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION.
104 no error-bit generation in case neither a) nor b) are satisfied. Additionally,
105 there is no error-bit generation in case of Short Bit Period Error detection in
106 a broadcast message while LSTN bit is set. */
108 uint32_t SignalFreeTimeOption
; /*!< Set SFTOP bit @ref CEC_SFT_Option : specifies when SFT timer starts.
109 CEC_SFT_START_ON_TXSOM SFT: timer starts when TXSOM is set by software.
110 CEC_SFT_START_ON_TX_RX_END: SFT timer starts automatically at the end of message transmission/reception. */
112 uint32_t ListenMode
; /*!< Set LSTN bit @ref CEC_Listening_Mode : specifies device listening mode. It can take two values:
114 CEC_REDUCED_LISTENING_MODE: CEC peripheral receives only message addressed to its
115 own address (OAR). Messages addressed to different destination are ignored.
116 Broadcast messages are always received.
118 CEC_FULL_LISTENING_MODE: CEC peripheral receives messages addressed to its own
119 address (OAR) with positive acknowledge. Messages addressed to different destination
120 are received, but without interfering with the CEC bus: no acknowledge sent. */
122 uint16_t OwnAddress
; /*!< Own addresses configuration
123 This parameter can be a value of @ref CEC_OWN_ADDRESS */
125 uint8_t *RxBuffer
; /*!< CEC Rx buffer pointeur */
131 * @brief HAL CEC State structures definition
132 * @note HAL CEC State value is a combination of 2 different substates: gState and RxState.
133 * - gState contains CEC state information related to global Handle management
134 * and also information related to Tx operations.
135 * gState value coding follow below described bitmap :
137 * x : Should be set to 0
138 * b6 Error information
141 * b5 IP initilisation status
142 * 0 : Reset (IP not initialized)
143 * 1 : Init done (IP initialized. HAL CEC Init function already called)
145 * xx : Should be set to 00
146 * b2 Intrinsic process state
148 * 1 : Busy (IP busy with some configuration or internal operations)
150 * x : Should be set to 0
152 * 0 : Ready (no Tx operation ongoing)
153 * 1 : Busy (Tx operation ongoing)
154 * - RxState contains information related to Rx operations.
155 * RxState value coding follow below described bitmap :
157 * xx : Should be set to 00
158 * b5 IP initilisation status
159 * 0 : Reset (IP not initialized)
160 * 1 : Init done (IP initialized)
162 * xxx : Should be set to 000
164 * 0 : Ready (no Rx operation ongoing)
165 * 1 : Busy (Rx operation ongoing)
167 * x : Should be set to 0.
171 HAL_CEC_STATE_RESET
= 0x00U
, /*!< Peripheral is not yet Initialized
172 Value is allowed for gState and RxState */
173 HAL_CEC_STATE_READY
= 0x20U
, /*!< Peripheral Initialized and ready for use
174 Value is allowed for gState and RxState */
175 HAL_CEC_STATE_BUSY
= 0x24U
, /*!< an internal process is ongoing
176 Value is allowed for gState only */
177 HAL_CEC_STATE_BUSY_RX
= 0x22U
, /*!< Data Reception process is ongoing
178 Value is allowed for RxState only */
179 HAL_CEC_STATE_BUSY_TX
= 0x21U
, /*!< Data Transmission process is ongoing
180 Value is allowed for gState only */
181 HAL_CEC_STATE_ERROR
= 0x60U
/*!< Error Value is allowed for gState only */
182 }HAL_CEC_StateTypeDef
;
185 * @brief CEC handle Structure definition
189 CEC_TypeDef
*Instance
; /*!< CEC registers base address */
191 CEC_InitTypeDef Init
; /*!< CEC communication parameters */
193 uint8_t *pTxBuffPtr
; /*!< Pointer to CEC Tx transfer Buffer */
195 uint16_t TxXferCount
; /*!< CEC Tx Transfer Counter */
197 uint16_t RxXferSize
; /*!< CEC Rx Transfer size, 0: header received only */
199 HAL_LockTypeDef Lock
; /*!< Locking object */
201 HAL_CEC_StateTypeDef gState
; /*!< CEC state information related to global Handle management
202 and also related to Tx operations.
203 This parameter can be a value of @ref HAL_CEC_StateTypeDef */
205 HAL_CEC_StateTypeDef RxState
; /*!< CEC state information related to Rx operations.
206 This parameter can be a value of @ref HAL_CEC_StateTypeDef */
208 uint32_t ErrorCode
; /*!< For errors handling purposes, copy of ISR register
209 in case error is reported */
215 /* Exported constants --------------------------------------------------------*/
216 /** @defgroup CEC_Exported_Constants CEC Exported Constants
220 /** @defgroup CEC_Error_Code CEC Error Code
223 #define HAL_CEC_ERROR_NONE 0x00000000U /*!< no error */
224 #define HAL_CEC_ERROR_RXOVR CEC_ISR_RXOVR /*!< CEC Rx-Overrun */
225 #define HAL_CEC_ERROR_BRE CEC_ISR_BRE /*!< CEC Rx Bit Rising Error */
226 #define HAL_CEC_ERROR_SBPE CEC_ISR_SBPE /*!< CEC Rx Short Bit period Error */
227 #define HAL_CEC_ERROR_LBPE CEC_ISR_LBPE /*!< CEC Rx Long Bit period Error */
228 #define HAL_CEC_ERROR_RXACKE CEC_ISR_RXACKE /*!< CEC Rx Missing Acknowledge */
229 #define HAL_CEC_ERROR_ARBLST CEC_ISR_ARBLST /*!< CEC Arbitration Lost */
230 #define HAL_CEC_ERROR_TXUDR CEC_ISR_TXUDR /*!< CEC Tx-Buffer Underrun */
231 #define HAL_CEC_ERROR_TXERR CEC_ISR_TXERR /*!< CEC Tx-Error */
232 #define HAL_CEC_ERROR_TXACKE CEC_ISR_TXACKE /*!< CEC Tx Missing Acknowledge */
237 /** @defgroup CEC_Signal_Free_Time CEC Signal Free Time setting parameter
240 #define CEC_DEFAULT_SFT 0x00000000U
241 #define CEC_0_5_BITPERIOD_SFT 0x00000001U
242 #define CEC_1_5_BITPERIOD_SFT 0x00000002U
243 #define CEC_2_5_BITPERIOD_SFT 0x00000003U
244 #define CEC_3_5_BITPERIOD_SFT 0x00000004U
245 #define CEC_4_5_BITPERIOD_SFT 0x00000005U
246 #define CEC_5_5_BITPERIOD_SFT 0x00000006U
247 #define CEC_6_5_BITPERIOD_SFT 0x00000007U
252 /** @defgroup CEC_Tolerance CEC Receiver Tolerance
255 #define CEC_STANDARD_TOLERANCE 0x00000000U
256 #define CEC_EXTENDED_TOLERANCE ((uint32_t)CEC_CFGR_RXTOL)
261 /** @defgroup CEC_BRERxStop CEC Reception Stop on Error
264 #define CEC_NO_RX_STOP_ON_BRE 0x00000000U
265 #define CEC_RX_STOP_ON_BRE ((uint32_t)CEC_CFGR_BRESTP)
270 /** @defgroup CEC_BREErrorBitGen CEC Error Bit Generation if Bit Rise Error reported
273 #define CEC_BRE_ERRORBIT_NO_GENERATION 0x00000000U
274 #define CEC_BRE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BREGEN)
279 /** @defgroup CEC_LBPEErrorBitGen CEC Error Bit Generation if Long Bit Period Error reported
282 #define CEC_LBPE_ERRORBIT_NO_GENERATION 0x00000000U
283 #define CEC_LBPE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_LBPEGEN)
288 /** @defgroup CEC_BroadCastMsgErrorBitGen CEC Error Bit Generation on Broadcast message
291 #define CEC_BROADCASTERROR_ERRORBIT_GENERATION 0x00000000U
292 #define CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BRDNOGEN)
297 /** @defgroup CEC_SFT_Option CEC Signal Free Time start option
300 #define CEC_SFT_START_ON_TXSOM 0x00000000U
301 #define CEC_SFT_START_ON_TX_RX_END ((uint32_t)CEC_CFGR_SFTOPT)
306 /** @defgroup CEC_Listening_Mode CEC Listening mode option
309 #define CEC_REDUCED_LISTENING_MODE 0x00000000U
310 #define CEC_FULL_LISTENING_MODE ((uint32_t)CEC_CFGR_LSTN)
315 /** @defgroup CEC_OAR_Position CEC Device Own Address position in CEC CFGR register
318 #define CEC_CFGR_OAR_LSB_POS 16U
323 /** @defgroup CEC_Initiator_Position CEC Initiator logical address position in message header
326 #define CEC_INITIATOR_LSB_POS 4U
331 /** @defgroup CEC_OWN_ADDRESS CEC Own Address
334 #define CEC_OWN_ADDRESS_NONE ((uint16_t)0x0000) /* Reset value */
335 #define CEC_OWN_ADDRESS_0 ((uint16_t)0x0001) /* Logical Address 0 */
336 #define CEC_OWN_ADDRESS_1 ((uint16_t)0x0002) /* Logical Address 1 */
337 #define CEC_OWN_ADDRESS_2 ((uint16_t)0x0004) /* Logical Address 2 */
338 #define CEC_OWN_ADDRESS_3 ((uint16_t)0x0008) /* Logical Address 3 */
339 #define CEC_OWN_ADDRESS_4 ((uint16_t)0x0010) /* Logical Address 4 */
340 #define CEC_OWN_ADDRESS_5 ((uint16_t)0x0020) /* Logical Address 5 */
341 #define CEC_OWN_ADDRESS_6 ((uint16_t)0x0040) /* Logical Address 6 */
342 #define CEC_OWN_ADDRESS_7 ((uint16_t)0x0080) /* Logical Address 7 */
343 #define CEC_OWN_ADDRESS_8 ((uint16_t)0x0100) /* Logical Address 9 */
344 #define CEC_OWN_ADDRESS_9 ((uint16_t)0x0200) /* Logical Address 10 */
345 #define CEC_OWN_ADDRESS_10 ((uint16_t)0x0400) /* Logical Address 11 */
346 #define CEC_OWN_ADDRESS_11 ((uint16_t)0x0800) /* Logical Address 12 */
347 #define CEC_OWN_ADDRESS_12 ((uint16_t)0x1000) /* Logical Address 13 */
348 #define CEC_OWN_ADDRESS_13 ((uint16_t)0x2000) /* Logical Address 14 */
349 #define CEC_OWN_ADDRESS_14 ((uint16_t)0x4000) /* Logical Address 15 */
354 /** @defgroup CEC_Interrupts_Definitions CEC Interrupts definition
357 #define CEC_IT_TXACKE CEC_IER_TXACKEIE
358 #define CEC_IT_TXERR CEC_IER_TXERRIE
359 #define CEC_IT_TXUDR CEC_IER_TXUDRIE
360 #define CEC_IT_TXEND CEC_IER_TXENDIE
361 #define CEC_IT_TXBR CEC_IER_TXBRIE
362 #define CEC_IT_ARBLST CEC_IER_ARBLSTIE
363 #define CEC_IT_RXACKE CEC_IER_RXACKEIE
364 #define CEC_IT_LBPE CEC_IER_LBPEIE
365 #define CEC_IT_SBPE CEC_IER_SBPEIE
366 #define CEC_IT_BRE CEC_IER_BREIE
367 #define CEC_IT_RXOVR CEC_IER_RXOVRIE
368 #define CEC_IT_RXEND CEC_IER_RXENDIE
369 #define CEC_IT_RXBR CEC_IER_RXBRIE
374 /** @defgroup CEC_Flags_Definitions CEC Flags definition
377 #define CEC_FLAG_TXACKE CEC_ISR_TXACKE
378 #define CEC_FLAG_TXERR CEC_ISR_TXERR
379 #define CEC_FLAG_TXUDR CEC_ISR_TXUDR
380 #define CEC_FLAG_TXEND CEC_ISR_TXEND
381 #define CEC_FLAG_TXBR CEC_ISR_TXBR
382 #define CEC_FLAG_ARBLST CEC_ISR_ARBLST
383 #define CEC_FLAG_RXACKE CEC_ISR_RXACKE
384 #define CEC_FLAG_LBPE CEC_ISR_LBPE
385 #define CEC_FLAG_SBPE CEC_ISR_SBPE
386 #define CEC_FLAG_BRE CEC_ISR_BRE
387 #define CEC_FLAG_RXOVR CEC_ISR_RXOVR
388 #define CEC_FLAG_RXEND CEC_ISR_RXEND
389 #define CEC_FLAG_RXBR CEC_ISR_RXBR
394 /** @defgroup CEC_ALL_ERROR CEC all RX or TX errors flags
397 #define CEC_ISR_ALL_ERROR ((uint32_t)CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE|\
398 CEC_ISR_ARBLST|CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)
403 /** @defgroup CEC_IER_ALL_RX CEC all RX errors interrupts enabling flag
406 #define CEC_IER_RX_ALL_ERR ((uint32_t)CEC_IER_RXACKEIE|CEC_IER_LBPEIE|CEC_IER_SBPEIE|CEC_IER_BREIE|CEC_IER_RXOVRIE)
411 /** @defgroup CEC_IER_ALL_TX CEC all TX errors interrupts enabling flag
414 #define CEC_IER_TX_ALL_ERR ((uint32_t)CEC_IER_TXACKEIE|CEC_IER_TXERRIE|CEC_IER_TXUDRIE|CEC_IER_ARBLSTIE)
423 /* Exported macros -----------------------------------------------------------*/
424 /** @defgroup CEC_Exported_Macros CEC Exported Macros
428 /** @brief Reset CEC handle gstate & RxState
429 * @param __HANDLE__: CEC handle.
432 #define __HAL_CEC_RESET_HANDLE_STATE(__HANDLE__) do{ \
433 (__HANDLE__)->gState = HAL_CEC_STATE_RESET; \
434 (__HANDLE__)->RxState = HAL_CEC_STATE_RESET; \
437 /** @brief Checks whether or not the specified CEC interrupt flag is set.
438 * @param __HANDLE__: specifies the CEC Handle.
439 * @param __FLAG__: specifies the flag to check.
440 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
441 * @arg CEC_FLAG_TXERR: Tx Error.
442 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
443 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
444 * @arg CEC_FLAG_TXBR: Tx-Byte Request.
445 * @arg CEC_FLAG_ARBLST: Arbitration Lost
446 * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
447 * @arg CEC_FLAG_LBPE: Rx Long period Error
448 * @arg CEC_FLAG_SBPE: Rx Short period Error
449 * @arg CEC_FLAG_BRE: Rx Bit Rising Error
450 * @arg CEC_FLAG_RXOVR: Rx Overrun.
451 * @arg CEC_FLAG_RXEND: End Of Reception.
452 * @arg CEC_FLAG_RXBR: Rx-Byte Received.
455 #define __HAL_CEC_GET_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR & (__FLAG__))
457 /** @brief Clears the interrupt or status flag when raised (write at 1)
458 * @param __HANDLE__: specifies the CEC Handle.
459 * @param __FLAG__: specifies the interrupt/status flag to clear.
460 * This parameter can be one of the following values:
461 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
462 * @arg CEC_FLAG_TXERR: Tx Error.
463 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
464 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
465 * @arg CEC_FLAG_TXBR: Tx-Byte Request.
466 * @arg CEC_FLAG_ARBLST: Arbitration Lost
467 * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
468 * @arg CEC_FLAG_LBPE: Rx Long period Error
469 * @arg CEC_FLAG_SBPE: Rx Short period Error
470 * @arg CEC_FLAG_BRE: Rx Bit Rising Error
471 * @arg CEC_FLAG_RXOVR: Rx Overrun.
472 * @arg CEC_FLAG_RXEND: End Of Reception.
473 * @arg CEC_FLAG_RXBR: Rx-Byte Received.
476 #define __HAL_CEC_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR |= (__FLAG__))
478 /** @brief Enables the specified CEC interrupt.
479 * @param __HANDLE__: specifies the CEC Handle.
480 * @param __INTERRUPT__: specifies the CEC interrupt to enable.
481 * This parameter can be one of the following values:
482 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
483 * @arg CEC_IT_TXERR: Tx Error IT Enable
484 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
485 * @arg CEC_IT_TXEND: End of transmission IT Enable
486 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
487 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
488 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
489 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
490 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
491 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
492 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
493 * @arg CEC_IT_RXEND: End Of Reception IT Enable
494 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
497 #define __HAL_CEC_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))
499 /** @brief Disables the specified CEC interrupt.
500 * @param __HANDLE__: specifies the CEC Handle.
501 * @param __INTERRUPT__: specifies the CEC interrupt to disable.
502 * This parameter can be one of the following values:
503 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
504 * @arg CEC_IT_TXERR: Tx Error IT Enable
505 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
506 * @arg CEC_IT_TXEND: End of transmission IT Enable
507 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
508 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
509 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
510 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
511 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
512 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
513 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
514 * @arg CEC_IT_RXEND: End Of Reception IT Enable
515 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
518 #define __HAL_CEC_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER &= (~(__INTERRUPT__)))
520 /** @brief Checks whether or not the specified CEC interrupt is enabled.
521 * @param __HANDLE__: specifies the CEC Handle.
522 * @param __INTERRUPT__: specifies the CEC interrupt to check.
523 * This parameter can be one of the following values:
524 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
525 * @arg CEC_IT_TXERR: Tx Error IT Enable
526 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
527 * @arg CEC_IT_TXEND: End of transmission IT Enable
528 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
529 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
530 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
531 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
532 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
533 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
534 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
535 * @arg CEC_IT_RXEND: End Of Reception IT Enable
536 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
539 #define __HAL_CEC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER & (__INTERRUPT__))
541 /** @brief Enables the CEC device
542 * @param __HANDLE__: specifies the CEC Handle.
545 #define __HAL_CEC_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_CECEN)
547 /** @brief Disables the CEC device
548 * @param __HANDLE__: specifies the CEC Handle.
551 #define __HAL_CEC_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~CEC_CR_CECEN)
553 /** @brief Set Transmission Start flag
554 * @param __HANDLE__: specifies the CEC Handle.
557 #define __HAL_CEC_FIRST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXSOM)
559 /** @brief Set Transmission End flag
560 * @param __HANDLE__: specifies the CEC Handle.
562 * If the CEC message consists of only one byte, TXEOM must be set before of TXSOM.
564 #define __HAL_CEC_LAST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXEOM)
566 /** @brief Get Transmission Start flag
567 * @param __HANDLE__: specifies the CEC Handle.
570 #define __HAL_CEC_GET_TRANSMISSION_START_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXSOM)
572 /** @brief Get Transmission End flag
573 * @param __HANDLE__: specifies the CEC Handle.
576 #define __HAL_CEC_GET_TRANSMISSION_END_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXEOM)
578 /** @brief Clear OAR register
579 * @param __HANDLE__: specifies the CEC Handle.
582 #define __HAL_CEC_CLEAR_OAR(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CFGR, CEC_CFGR_OAR)
584 /** @brief Set OAR register (without resetting previously set address in case of multi-address mode)
585 * To reset OAR, __HAL_CEC_CLEAR_OAR() needs to be called beforehand
586 * @param __HANDLE__: specifies the CEC Handle.
587 * @param __ADDRESS__: Own Address value (CEC logical address is identified by bit position)
590 #define __HAL_CEC_SET_OAR(__HANDLE__,__ADDRESS__) SET_BIT((__HANDLE__)->Instance->CFGR, (__ADDRESS__)<< CEC_CFGR_OAR_LSB_POS)
596 /* Exported functions --------------------------------------------------------*/
597 /** @addtogroup CEC_Exported_Functions
601 /** @addtogroup CEC_Exported_Functions_Group1
604 /* Initialization and de-initialization functions ****************************/
605 HAL_StatusTypeDef
HAL_CEC_Init(CEC_HandleTypeDef
*hcec
);
606 HAL_StatusTypeDef
HAL_CEC_DeInit(CEC_HandleTypeDef
*hcec
);
607 HAL_StatusTypeDef
HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef
*hcec
, uint16_t CEC_OwnAddress
);
608 void HAL_CEC_MspInit(CEC_HandleTypeDef
*hcec
);
609 void HAL_CEC_MspDeInit(CEC_HandleTypeDef
*hcec
);
614 /** @addtogroup CEC_Exported_Functions_Group2
617 /* I/O operation functions ***************************************************/
618 HAL_StatusTypeDef
HAL_CEC_Transmit_IT(CEC_HandleTypeDef
*hcec
, uint8_t InitiatorAddress
,uint8_t DestinationAddress
, uint8_t *pData
, uint32_t Size
);
619 uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef
*hcec
);
620 void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef
*hcec
, uint8_t* Rxbuffer
);
621 void HAL_CEC_IRQHandler(CEC_HandleTypeDef
*hcec
);
622 void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef
*hcec
);
623 void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef
*hcec
, uint32_t RxFrameSize
);
624 void HAL_CEC_ErrorCallback(CEC_HandleTypeDef
*hcec
);
629 /** @addtogroup CEC_Exported_Functions_Group3
632 /* Peripheral State functions ************************************************/
633 HAL_CEC_StateTypeDef
HAL_CEC_GetState(CEC_HandleTypeDef
*hcec
);
634 uint32_t HAL_CEC_GetError(CEC_HandleTypeDef
*hcec
);
643 /* Private types -------------------------------------------------------------*/
644 /** @defgroup CEC_Private_Types CEC Private Types
652 /* Private variables ---------------------------------------------------------*/
653 /** @defgroup CEC_Private_Variables CEC Private Variables
661 /* Private constants ---------------------------------------------------------*/
662 /** @defgroup CEC_Private_Constants CEC Private Constants
670 /* Private macros ------------------------------------------------------------*/
671 /** @defgroup CEC_Private_Macros CEC Private Macros
675 #define IS_CEC_SIGNALFREETIME(__SFT__) ((__SFT__) <= CEC_CFGR_SFT)
677 #define IS_CEC_TOLERANCE(__RXTOL__) (((__RXTOL__) == CEC_STANDARD_TOLERANCE) || \
678 ((__RXTOL__) == CEC_EXTENDED_TOLERANCE))
680 #define IS_CEC_BRERXSTOP(__BRERXSTOP__) (((__BRERXSTOP__) == CEC_NO_RX_STOP_ON_BRE) || \
681 ((__BRERXSTOP__) == CEC_RX_STOP_ON_BRE))
683 #define IS_CEC_BREERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_NO_GENERATION) || \
684 ((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_GENERATION))
686 #define IS_CEC_LBPEERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_NO_GENERATION) || \
687 ((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_GENERATION))
689 #define IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BROADCASTERROR_ERRORBIT_GENERATION) || \
690 ((__ERRORBITGEN__) == CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION))
692 #define IS_CEC_SFTOP(__SFTOP__) (((__SFTOP__) == CEC_SFT_START_ON_TXSOM) || \
693 ((__SFTOP__) == CEC_SFT_START_ON_TX_RX_END))
695 #define IS_CEC_LISTENING_MODE(__MODE__) (((__MODE__) == CEC_REDUCED_LISTENING_MODE) || \
696 ((__MODE__) == CEC_FULL_LISTENING_MODE))
698 /** @brief Check CEC message size.
699 * The message size is the payload size: without counting the header,
700 * it varies from 0 byte (ping operation, one header only, no payload) to
701 * 15 bytes (1 opcode and up to 14 operands following the header).
702 * @param __SIZE__: CEC message size.
703 * @retval Test result (TRUE or FALSE).
705 #define IS_CEC_MSGSIZE(__SIZE__) ((__SIZE__) <= 0x10U)
707 /** @brief Check CEC device Own Address Register (OAR) setting.
708 * OAR address is written in a 15-bit field within CEC_CFGR register.
709 * @param __ADDRESS__: CEC own address.
710 * @retval Test result (TRUE or FALSE).
712 #define IS_CEC_OWN_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x7FFFU)
714 /** @brief Check CEC initiator or destination logical address setting.
715 * Initiator and destination addresses are coded over 4 bits.
716 * @param __ADDRESS__: CEC initiator or logical address.
717 * @retval Test result (TRUE or FALSE).
719 #define IS_CEC_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x0FU)
723 /* Private functions ---------------------------------------------------------*/
724 /** @defgroup CEC_Private_Functions CEC Private Functions
739 #endif /* STM32F446xx */
745 #endif /* __STM32F4xx_HAL_CEC_H */
747 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/