?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
before merging master
[inav.git] / lib / main / STM32F7 / Drivers / STM32F7xx_HAL_Driver / Inc / stm32f7xx_hal_cec.h
blob34f228fc2e2342541aa125fd290e8b0a8677a0ba
1 /**
2 ******************************************************************************
3 * @file stm32f7xx_hal_cec.h
4 * @author MCD Application Team
5 * @version V1.2.2
6 * @date 14-April-2017
7 * @brief Header file of CEC HAL module.
8 ******************************************************************************
9 * @attention
10 *
11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
12 *
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 ******************************************************************************
36 */
37
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F7xx_HAL_CEC_H
40 #define __STM32F7xx_HAL_CEC_H
41
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f7xx_hal_def.h"
48
49 #if defined (CEC)
50
51 /** @addtogroup STM32F7xx_HAL_Driver
52 * @{
53 */
54
55 /** @addtogroup CEC
56 * @{
57 */
58
59 /* Exported types ------------------------------------------------------------*/
60 /** @defgroup CEC_Exported_Types CEC Exported Types
61 * @{
62 */
63
64 /**
65 * @brief CEC Init Structure definition
66 */
67 typedef struct
68 {
69 uint32_t SignalFreeTime; /*!< Set SFT field, specifies the Signal Free Time.
70 It can be one of @ref CEC_Signal_Free_Time
71 and belongs to the set {0,...,7} where
72 0x0 is the default configuration
73 else means 0.5 + (SignalFreeTime - 1) nominal data bit periods */
74
75 uint32_t Tolerance; /*!< Set RXTOL bit, specifies the tolerance accepted on the received waveforms,
76 it can be a value of @ref CEC_Tolerance : it is either CEC_STANDARD_TOLERANCE
77 or CEC_EXTENDED_TOLERANCE */
78
79 uint32_t BRERxStop; /*!< Set BRESTP bit @ref CEC_BRERxStop : specifies whether or not a Bit Rising Error stops the reception.
80 CEC_NO_RX_STOP_ON_BRE: reception is not stopped.
81 CEC_RX_STOP_ON_BRE: reception is stopped. */
82
83 uint32_t BREErrorBitGen; /*!< Set BREGEN bit @ref CEC_BREErrorBitGen : specifies whether or not an Error-Bit is generated on the
84 CEC line upon Bit Rising Error detection.
85 CEC_BRE_ERRORBIT_NO_GENERATION: no error-bit generation.
86 CEC_BRE_ERRORBIT_GENERATION: error-bit generation if BRESTP is set. */
87
88 uint32_t LBPEErrorBitGen; /*!< Set LBPEGEN bit @ref CEC_LBPEErrorBitGen : specifies whether or not an Error-Bit is generated on the
89 CEC line upon Long Bit Period Error detection.
90 CEC_LBPE_ERRORBIT_NO_GENERATION: no error-bit generation.
91 CEC_LBPE_ERRORBIT_GENERATION: error-bit generation. */
92
93 uint32_t BroadcastMsgNoErrorBitGen; /*!< Set BRDNOGEN bit @ref CEC_BroadCastMsgErrorBitGen : allows to avoid an Error-Bit generation on the CEC line
94 upon an error detected on a broadcast message.
95
96 It supersedes BREGEN and LBPEGEN bits for a broadcast message error handling. It can take two values:
97
98 1) CEC_BROADCASTERROR_ERRORBIT_GENERATION.
99 a) BRE detection: error-bit generation on the CEC line if BRESTP=CEC_RX_STOP_ON_BRE
100 and BREGEN=CEC_BRE_ERRORBIT_NO_GENERATION.
101 b) LBPE detection: error-bit generation on the CEC line
102 if LBPGEN=CEC_LBPE_ERRORBIT_NO_GENERATION.
103
104 2) CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION.
105 no error-bit generation in case neither a) nor b) are satisfied. Additionally,
106 there is no error-bit generation in case of Short Bit Period Error detection in
107 a broadcast message while LSTN bit is set. */
108
109 uint32_t SignalFreeTimeOption; /*!< Set SFTOP bit @ref CEC_SFT_Option : specifies when SFT timer starts.
110 CEC_SFT_START_ON_TXSOM SFT: timer starts when TXSOM is set by software.
111 CEC_SFT_START_ON_TX_RX_END: SFT timer starts automatically at the end of message transmission/reception. */
112
113 uint32_t ListenMode; /*!< Set LSTN bit @ref CEC_Listening_Mode : specifies device listening mode. It can take two values:
114
115 CEC_REDUCED_LISTENING_MODE: CEC peripheral receives only message addressed to its
116 own address (OAR). Messages addressed to different destination are ignored.
117 Broadcast messages are always received.
118
119 CEC_FULL_LISTENING_MODE: CEC peripheral receives messages addressed to its own
120 address (OAR) with positive acknowledge. Messages addressed to different destination
121 are received, but without interfering with the CEC bus: no acknowledge sent. */
122
123 uint16_t OwnAddress; /*!< Own addresses configuration
124 This parameter can be a value of @ref CEC_OWN_ADDRESS */
125
126 uint8_t *RxBuffer; /*!< CEC Rx buffer pointeur */
127
128
129 }CEC_InitTypeDef;
130
131 /**
132 * @brief HAL CEC State structures definition
133 * @note HAL CEC State value is a combination of 2 different substates: gState and RxState.
134 * - gState contains CEC state information related to global Handle management
135 * and also information related to Tx operations.
136 * gState value coding follow below described bitmap :
137 * b7 (not used)
138 * x : Should be set to 0
139 * b6 Error information
140 * 0 : No Error
141 * 1 : Error
142 * b5 IP initilisation status
143 * 0 : Reset (IP not initialized)
144 * 1 : Init done (IP initialized. HAL CEC Init function already called)
145 * b4-b3 (not used)
146 * xx : Should be set to 00
147 * b2 Intrinsic process state
148 * 0 : Ready
149 * 1 : Busy (IP busy with some configuration or internal operations)
150 * b1 (not used)
151 * x : Should be set to 0
152 * b0 Tx state
153 * 0 : Ready (no Tx operation ongoing)
154 * 1 : Busy (Tx operation ongoing)
155 * - RxState contains information related to Rx operations.
156 * RxState value coding follow below described bitmap :
157 * b7-b6 (not used)
158 * xx : Should be set to 00
159 * b5 IP initilisation status
160 * 0 : Reset (IP not initialized)
161 * 1 : Init done (IP initialized)
162 * b4-b2 (not used)
163 * xxx : Should be set to 000
164 * b1 Rx state
165 * 0 : Ready (no Rx operation ongoing)
166 * 1 : Busy (Rx operation ongoing)
167 * b0 (not used)
168 * x : Should be set to 0.
169 */
170 typedef enum
171 {
172 HAL_CEC_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized
173 Value is allowed for gState and RxState */
174 HAL_CEC_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use
175 Value is allowed for gState and RxState */
176 HAL_CEC_STATE_BUSY = 0x24U, /*!< an internal process is ongoing
177 Value is allowed for gState only */
178 HAL_CEC_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing
179 Value is allowed for RxState only */
180 HAL_CEC_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing
181 Value is allowed for gState only */
182 HAL_CEC_STATE_BUSY_RX_TX = 0x23U, /*!< an internal process is ongoing
183 Value is allowed for gState only */
184 HAL_CEC_STATE_ERROR = 0x60U /*!< Error Value is allowed for gState only */
185 }HAL_CEC_StateTypeDef;
186
187 /**
188 * @brief CEC handle Structure definition
189 */
190 typedef struct
191 {
192 CEC_TypeDef *Instance; /*!< CEC registers base address */
193
194 CEC_InitTypeDef Init; /*!< CEC communication parameters */
195
196 uint8_t *pTxBuffPtr; /*!< Pointer to CEC Tx transfer Buffer */
197
198 uint16_t TxXferCount; /*!< CEC Tx Transfer Counter */
199
200 uint16_t RxXferSize; /*!< CEC Rx Transfer size, 0: header received only */
201
202 HAL_LockTypeDef Lock; /*!< Locking object */
203
204 HAL_CEC_StateTypeDef gState; /*!< CEC state information related to global Handle management
205 and also related to Tx operations.
206 This parameter can be a value of @ref HAL_CEC_StateTypeDef */
207
208 HAL_CEC_StateTypeDef RxState; /*!< CEC state information related to Rx operations.
209 This parameter can be a value of @ref HAL_CEC_StateTypeDef */
210
211 uint32_t ErrorCode; /*!< For errors handling purposes, copy of ISR register
212 in case error is reported */
213 }CEC_HandleTypeDef;
214 /**
215 * @}
216 */
217
218 /* Exported constants --------------------------------------------------------*/
219 /** @defgroup CEC_Exported_Constants CEC Exported Constants
220 * @{
221 */
222
223 /** @defgroup CEC_Error_Code CEC Error Code
224 * @{
225 */
226 #define HAL_CEC_ERROR_NONE (uint32_t) 0x0000U /*!< no error */
227 #define HAL_CEC_ERROR_RXOVR CEC_ISR_RXOVR /*!< CEC Rx-Overrun */
228 #define HAL_CEC_ERROR_BRE CEC_ISR_BRE /*!< CEC Rx Bit Rising Error */
229 #define HAL_CEC_ERROR_SBPE CEC_ISR_SBPE /*!< CEC Rx Short Bit period Error */
230 #define HAL_CEC_ERROR_LBPE CEC_ISR_LBPE /*!< CEC Rx Long Bit period Error */
231 #define HAL_CEC_ERROR_RXACKE CEC_ISR_RXACKE /*!< CEC Rx Missing Acknowledge */
232 #define HAL_CEC_ERROR_ARBLST CEC_ISR_ARBLST /*!< CEC Arbitration Lost */
233 #define HAL_CEC_ERROR_TXUDR CEC_ISR_TXUDR /*!< CEC Tx-Buffer Underrun */
234 #define HAL_CEC_ERROR_TXERR CEC_ISR_TXERR /*!< CEC Tx-Error */
235 #define HAL_CEC_ERROR_TXACKE CEC_ISR_TXACKE /*!< CEC Tx Missing Acknowledge */
236 /**
237 * @}
238 */
239
240 /** @defgroup CEC_Signal_Free_Time CEC Signal Free Time setting parameter
241 * @{
242 */
243 #define CEC_DEFAULT_SFT ((uint32_t)0x00000000U)
244 #define CEC_0_5_BITPERIOD_SFT ((uint32_t)0x00000001U)
245 #define CEC_1_5_BITPERIOD_SFT ((uint32_t)0x00000002U)
246 #define CEC_2_5_BITPERIOD_SFT ((uint32_t)0x00000003U)
247 #define CEC_3_5_BITPERIOD_SFT ((uint32_t)0x00000004U)
248 #define CEC_4_5_BITPERIOD_SFT ((uint32_t)0x00000005U)
249 #define CEC_5_5_BITPERIOD_SFT ((uint32_t)0x00000006U)
250 #define CEC_6_5_BITPERIOD_SFT ((uint32_t)0x00000007U)
251 /**
252 * @}
253 */
254
255 /** @defgroup CEC_Tolerance CEC Receiver Tolerance
256 * @{
257 */
258 #define CEC_STANDARD_TOLERANCE ((uint32_t)0x00000000U)
259 #define CEC_EXTENDED_TOLERANCE ((uint32_t)CEC_CFGR_RXTOL)
260 /**
261 * @}
262 */
263
264 /** @defgroup CEC_BRERxStop CEC Reception Stop on Error
265 * @{
266 */
267 #define CEC_NO_RX_STOP_ON_BRE ((uint32_t)0x00000000U)
268 #define CEC_RX_STOP_ON_BRE ((uint32_t)CEC_CFGR_BRESTP)
269 /**
270 * @}
271 */
272
273 /** @defgroup CEC_BREErrorBitGen CEC Error Bit Generation if Bit Rise Error reported
274 * @{
275 */
276 #define CEC_BRE_ERRORBIT_NO_GENERATION ((uint32_t)0x00000000U)
277 #define CEC_BRE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BREGEN)
278 /**
279 * @}
280 */
281
282 /** @defgroup CEC_LBPEErrorBitGen CEC Error Bit Generation if Long Bit Period Error reported
283 * @{
284 */
285 #define CEC_LBPE_ERRORBIT_NO_GENERATION ((uint32_t)0x00000000U)
286 #define CEC_LBPE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_LBPEGEN)
287 /**
288 * @}
289 */
290
291 /** @defgroup CEC_BroadCastMsgErrorBitGen CEC Error Bit Generation on Broadcast message
292 * @{
293 */
294 #define CEC_BROADCASTERROR_ERRORBIT_GENERATION ((uint32_t)0x00000000U)
295 #define CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BRDNOGEN)
296 /**
297 * @}
298 */
299
300 /** @defgroup CEC_SFT_Option CEC Signal Free Time start option
301 * @{
302 */
303 #define CEC_SFT_START_ON_TXSOM ((uint32_t)0x00000000U)
304 #define CEC_SFT_START_ON_TX_RX_END ((uint32_t)CEC_CFGR_SFTOPT)
305 /**
306 * @}
307 */
308
309 /** @defgroup CEC_Listening_Mode CEC Listening mode option
310 * @{
311 */
312 #define CEC_REDUCED_LISTENING_MODE ((uint32_t)0x00000000U)
313 #define CEC_FULL_LISTENING_MODE ((uint32_t)CEC_CFGR_LSTN)
314 /**
315 * @}
316 */
317
318 /** @defgroup CEC_OAR_Position CEC Device Own Address position in CEC CFGR register
319 * @{
320 */
321 #define CEC_CFGR_OAR_LSB_POS ((uint32_t) 16U)
322 /**
323 * @}
324 */
325
326 /** @defgroup CEC_Initiator_Position CEC Initiator logical address position in message header
327 * @{
328 */
329 #define CEC_INITIATOR_LSB_POS ((uint32_t) 4U)
330 /**
331 * @}
332 */
333
334 /** @defgroup CEC_OWN_ADDRESS CEC Own Address
335 * @{
336 */
337 #define CEC_OWN_ADDRESS_NONE ((uint16_t) 0x0000U) /* Reset value */
338 #define CEC_OWN_ADDRESS_0 ((uint16_t) 0x0001U) /* Logical Address 0 */
339 #define CEC_OWN_ADDRESS_1 ((uint16_t) 0x0002U) /* Logical Address 1 */
340 #define CEC_OWN_ADDRESS_2 ((uint16_t) 0x0004U) /* Logical Address 2 */
341 #define CEC_OWN_ADDRESS_3 ((uint16_t) 0x0008U) /* Logical Address 3 */
342 #define CEC_OWN_ADDRESS_4 ((uint16_t) 0x0010U) /* Logical Address 4 */
343 #define CEC_OWN_ADDRESS_5 ((uint16_t) 0x0020U) /* Logical Address 5 */
344 #define CEC_OWN_ADDRESS_6 ((uint16_t) 0x0040U) /* Logical Address 6 */
345 #define CEC_OWN_ADDRESS_7 ((uint16_t) 0x0080U) /* Logical Address 7 */
346 #define CEC_OWN_ADDRESS_8 ((uint16_t) 0x0100U) /* Logical Address 9 */
347 #define CEC_OWN_ADDRESS_9 ((uint16_t) 0x0200U) /* Logical Address 10 */
348 #define CEC_OWN_ADDRESS_10 ((uint16_t) 0x0400U) /* Logical Address 11 */
349 #define CEC_OWN_ADDRESS_11 ((uint16_t) 0x0800U) /* Logical Address 12 */
350 #define CEC_OWN_ADDRESS_12 ((uint16_t) 0x1000U) /* Logical Address 13 */
351 #define CEC_OWN_ADDRESS_13 ((uint16_t) 0x2000U) /* Logical Address 14 */
352 #define CEC_OWN_ADDRESS_14 ((uint16_t) 0x4000U) /* Logical Address 15 */
353 /**
354 * @}
355 */
356
357 /** @defgroup CEC_Interrupts_Definitions CEC Interrupts definition
358 * @{
359 */
360 #define CEC_IT_TXACKE CEC_IER_TXACKEIE
361 #define CEC_IT_TXERR CEC_IER_TXERRIE
362 #define CEC_IT_TXUDR CEC_IER_TXUDRIE
363 #define CEC_IT_TXEND CEC_IER_TXENDIE
364 #define CEC_IT_TXBR CEC_IER_TXBRIE
365 #define CEC_IT_ARBLST CEC_IER_ARBLSTIE
366 #define CEC_IT_RXACKE CEC_IER_RXACKEIE
367 #define CEC_IT_LBPE CEC_IER_LBPEIE
368 #define CEC_IT_SBPE CEC_IER_SBPEIE
369 #define CEC_IT_BRE CEC_IER_BREIE
370 #define CEC_IT_RXOVR CEC_IER_RXOVRIE
371 #define CEC_IT_RXEND CEC_IER_RXENDIE
372 #define CEC_IT_RXBR CEC_IER_RXBRIE
373 /**
374 * @}
375 */
376
377 /** @defgroup CEC_Flags_Definitions CEC Flags definition
378 * @{
379 */
380 #define CEC_FLAG_TXACKE CEC_ISR_TXACKE
381 #define CEC_FLAG_TXERR CEC_ISR_TXERR
382 #define CEC_FLAG_TXUDR CEC_ISR_TXUDR
383 #define CEC_FLAG_TXEND CEC_ISR_TXEND
384 #define CEC_FLAG_TXBR CEC_ISR_TXBR
385 #define CEC_FLAG_ARBLST CEC_ISR_ARBLST
386 #define CEC_FLAG_RXACKE CEC_ISR_RXACKE
387 #define CEC_FLAG_LBPE CEC_ISR_LBPE
388 #define CEC_FLAG_SBPE CEC_ISR_SBPE
389 #define CEC_FLAG_BRE CEC_ISR_BRE
390 #define CEC_FLAG_RXOVR CEC_ISR_RXOVR
391 #define CEC_FLAG_RXEND CEC_ISR_RXEND
392 #define CEC_FLAG_RXBR CEC_ISR_RXBR
393 /**
394 * @}
395 */
396
397 /** @defgroup CEC_ALL_ERROR CEC all RX or TX errors flags
398 * @{
399 */
400 #define CEC_ISR_ALL_ERROR ((uint32_t)CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE|\
401 CEC_ISR_ARBLST|CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)
402 /**
403 * @}
404 */
405
406 /** @defgroup CEC_IER_ALL_RX CEC all RX errors interrupts enabling flag
407 * @{
408 */
409 #define CEC_IER_RX_ALL_ERR ((uint32_t)CEC_IER_RXACKEIE|CEC_IER_LBPEIE|CEC_IER_SBPEIE|CEC_IER_BREIE|CEC_IER_RXOVRIE)
410 /**
411 * @}
412 */
413
414 /** @defgroup CEC_IER_ALL_TX CEC all TX errors interrupts enabling flag
415 * @{
416 */
417 #define CEC_IER_TX_ALL_ERR ((uint32_t)CEC_IER_TXACKEIE|CEC_IER_TXERRIE|CEC_IER_TXUDRIE|CEC_IER_ARBLSTIE)
418 /**
419 * @}
420 */
421
422 /**
423 * @}
424 */
425
426 /* Exported macros -----------------------------------------------------------*/
427 /** @defgroup CEC_Exported_Macros CEC Exported Macros
428 * @{
429 */
430
431 /** @brief Reset CEC handle gstate & RxState
432 * @param __HANDLE__: CEC handle.
433 * @retval None
434 */
435 #define __HAL_CEC_RESET_HANDLE_STATE(__HANDLE__) do{ \
436 (__HANDLE__)->gState = HAL_CEC_STATE_RESET; \
437 (__HANDLE__)->RxState = HAL_CEC_STATE_RESET; \
438 } while(0)
439
440 /** @brief Checks whether or not the specified CEC interrupt flag is set.
441 * @param __HANDLE__: specifies the CEC Handle.
442 * @param __FLAG__: specifies the flag to check.
443 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
444 * @arg CEC_FLAG_TXERR: Tx Error.
445 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
446 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
447 * @arg CEC_FLAG_TXBR: Tx-Byte Request.
448 * @arg CEC_FLAG_ARBLST: Arbitration Lost
449 * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
450 * @arg CEC_FLAG_LBPE: Rx Long period Error
451 * @arg CEC_FLAG_SBPE: Rx Short period Error
452 * @arg CEC_FLAG_BRE: Rx Bit Rising Error
453 * @arg CEC_FLAG_RXOVR: Rx Overrun.
454 * @arg CEC_FLAG_RXEND: End Of Reception.
455 * @arg CEC_FLAG_RXBR: Rx-Byte Received.
456 * @retval ITStatus
457 */
458 #define __HAL_CEC_GET_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR & (__FLAG__))
459
460 /** @brief Clears the interrupt or status flag when raised (write at 1)
461 * @param __HANDLE__: specifies the CEC Handle.
462 * @param __FLAG__: specifies the interrupt/status flag to clear.
463 * This parameter can be one of the following values:
464 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
465 * @arg CEC_FLAG_TXERR: Tx Error.
466 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
467 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
468 * @arg CEC_FLAG_TXBR: Tx-Byte Request.
469 * @arg CEC_FLAG_ARBLST: Arbitration Lost
470 * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
471 * @arg CEC_FLAG_LBPE: Rx Long period Error
472 * @arg CEC_FLAG_SBPE: Rx Short period Error
473 * @arg CEC_FLAG_BRE: Rx Bit Rising Error
474 * @arg CEC_FLAG_RXOVR: Rx Overrun.
475 * @arg CEC_FLAG_RXEND: End Of Reception.
476 * @arg CEC_FLAG_RXBR: Rx-Byte Received.
477 * @retval none
478 */
479 #define __HAL_CEC_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR |= (__FLAG__))
480
481 /** @brief Enables the specified CEC interrupt.
482 * @param __HANDLE__: specifies the CEC Handle.
483 * @param __INTERRUPT__: specifies the CEC interrupt to enable.
484 * This parameter can be one of the following values:
485 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
486 * @arg CEC_IT_TXERR: Tx Error IT Enable
487 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
488 * @arg CEC_IT_TXEND: End of transmission IT Enable
489 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
490 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
491 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
492 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
493 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
494 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
495 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
496 * @arg CEC_IT_RXEND: End Of Reception IT Enable
497 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
498 * @retval none
499 */
500 #define __HAL_CEC_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))
501
502 /** @brief Disables the specified CEC interrupt.
503 * @param __HANDLE__: specifies the CEC Handle.
504 * @param __INTERRUPT__: specifies the CEC interrupt to disable.
505 * This parameter can be one of the following values:
506 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
507 * @arg CEC_IT_TXERR: Tx Error IT Enable
508 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
509 * @arg CEC_IT_TXEND: End of transmission IT Enable
510 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
511 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
512 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
513 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
514 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
515 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
516 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
517 * @arg CEC_IT_RXEND: End Of Reception IT Enable
518 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
519 * @retval none
520 */
521 #define __HAL_CEC_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER &= (~(__INTERRUPT__)))
522
523 /** @brief Checks whether or not the specified CEC interrupt is enabled.
524 * @param __HANDLE__: specifies the CEC Handle.
525 * @param __INTERRUPT__: specifies the CEC interrupt to check.
526 * This parameter can be one of the following values:
527 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
528 * @arg CEC_IT_TXERR: Tx Error IT Enable
529 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
530 * @arg CEC_IT_TXEND: End of transmission IT Enable
531 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
532 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
533 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
534 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
535 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
536 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
537 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
538 * @arg CEC_IT_RXEND: End Of Reception IT Enable
539 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
540 * @retval FlagStatus
541 */
542 #define __HAL_CEC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER & (__INTERRUPT__))
543
544 /** @brief Enables the CEC device
545 * @param __HANDLE__: specifies the CEC Handle.
546 * @retval none
547 */
548 #define __HAL_CEC_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_CECEN)
549
550 /** @brief Disables the CEC device
551 * @param __HANDLE__: specifies the CEC Handle.
552 * @retval none
553 */
554 #define __HAL_CEC_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~CEC_CR_CECEN)
555
556 /** @brief Set Transmission Start flag
557 * @param __HANDLE__: specifies the CEC Handle.
558 * @retval none
559 */
560 #define __HAL_CEC_FIRST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXSOM)
561
562 /** @brief Set Transmission End flag
563 * @param __HANDLE__: specifies the CEC Handle.
564 * @retval none
565 * If the CEC message consists of only one byte, TXEOM must be set before of TXSOM.
566 */
567 #define __HAL_CEC_LAST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXEOM)
568
569 /** @brief Get Transmission Start flag
570 * @param __HANDLE__: specifies the CEC Handle.
571 * @retval FlagStatus
572 */
573 #define __HAL_CEC_GET_TRANSMISSION_START_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXSOM)
574
575 /** @brief Get Transmission End flag
576 * @param __HANDLE__: specifies the CEC Handle.
577 * @retval FlagStatus
578 */
579 #define __HAL_CEC_GET_TRANSMISSION_END_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXEOM)
580
581 /** @brief Clear OAR register
582 * @param __HANDLE__: specifies the CEC Handle.
583 * @retval none
584 */
585 #define __HAL_CEC_CLEAR_OAR(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CFGR, CEC_CFGR_OAR)
586
587 /** @brief Set OAR register (without resetting previously set address in case of multi-address mode)
588 * To reset OAR, __HAL_CEC_CLEAR_OAR() needs to be called beforehand
589 * @param __HANDLE__: specifies the CEC Handle.
590 * @param __ADDRESS__: Own Address value (CEC logical address is identified by bit position)
591 * @retval none
592 */
593 #define __HAL_CEC_SET_OAR(__HANDLE__,__ADDRESS__) SET_BIT((__HANDLE__)->Instance->CFGR, (__ADDRESS__)<< CEC_CFGR_OAR_LSB_POS)
594
595 /**
596 * @}
597 */
598
599 /* Exported functions --------------------------------------------------------*/
600 /** @addtogroup CEC_Exported_Functions
601 * @{
602 */
603
604 /** @addtogroup CEC_Exported_Functions_Group1
605 * @{
606 */
607 /* Initialization and de-initialization functions ****************************/
608 HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec);
609 HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec);
610 HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress);
611 void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec);
612 void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec);
613 /**
614 * @}
615 */
616
617 /** @addtogroup CEC_Exported_Functions_Group2
618 * @{
619 */
620 /* I/O operation functions ***************************************************/
621 HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef *hcec, uint8_t InitiatorAddress,uint8_t DestinationAddress, uint8_t *pData, uint32_t Size);
622 uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef *hcec);
623 void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef *hcec, uint8_t* Rxbuffer);
624 void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec);
625 void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec);
626 void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec, uint32_t RxFrameSize);
627 void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec);
628 /**
629 * @}
630 */
631
632 /** @addtogroup CEC_Exported_Functions_Group3
633 * @{
634 */
635 /* Peripheral State functions ************************************************/
636 HAL_CEC_StateTypeDef HAL_CEC_GetState(CEC_HandleTypeDef *hcec);
637 uint32_t HAL_CEC_GetError(CEC_HandleTypeDef *hcec);
638 /**
639 * @}
640 */
641
642 /**
643 * @}
644 */
645
646 /* Private types -------------------------------------------------------------*/
647 /** @defgroup CEC_Private_Types CEC Private Types
648 * @{
649 */
650
651 /**
652 * @}
653 */
654
655 /* Private variables ---------------------------------------------------------*/
656 /** @defgroup CEC_Private_Variables CEC Private Variables
657 * @{
658 */
659
660 /**
661 * @}
662 */
663
664 /* Private constants ---------------------------------------------------------*/
665 /** @defgroup CEC_Private_Constants CEC Private Constants
666 * @{
667 */
668
669 /**
670 * @}
671 */
672
673 /* Private macros ------------------------------------------------------------*/
674 /** @defgroup CEC_Private_Macros CEC Private Macros
675 * @{
676 */
677
678 #define IS_CEC_SIGNALFREETIME(__SFT__) ((__SFT__) <= CEC_CFGR_SFT)
679
680 #define IS_CEC_TOLERANCE(__RXTOL__) (((__RXTOL__) == CEC_STANDARD_TOLERANCE) || \
681 ((__RXTOL__) == CEC_EXTENDED_TOLERANCE))
682
683 #define IS_CEC_BRERXSTOP(__BRERXSTOP__) (((__BRERXSTOP__) == CEC_NO_RX_STOP_ON_BRE) || \
684 ((__BRERXSTOP__) == CEC_RX_STOP_ON_BRE))
685
686 #define IS_CEC_BREERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_NO_GENERATION) || \
687 ((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_GENERATION))
688
689 #define IS_CEC_LBPEERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_NO_GENERATION) || \
690 ((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_GENERATION))
691
692 #define IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BROADCASTERROR_ERRORBIT_GENERATION) || \
693 ((__ERRORBITGEN__) == CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION))
694
695 #define IS_CEC_SFTOP(__SFTOP__) (((__SFTOP__) == CEC_SFT_START_ON_TXSOM) || \
696 ((__SFTOP__) == CEC_SFT_START_ON_TX_RX_END))
697
698 #define IS_CEC_LISTENING_MODE(__MODE__) (((__MODE__) == CEC_REDUCED_LISTENING_MODE) || \
699 ((__MODE__) == CEC_FULL_LISTENING_MODE))
700
701 /** @brief Check CEC message size.
702 * The message size is the payload size: without counting the header,
703 * it varies from 0 byte (ping operation, one header only, no payload) to
704 * 15 bytes (1 opcode and up to 14 operands following the header).
705 * @param __SIZE__: CEC message size.
706 * @retval Test result (TRUE or FALSE).
707 */
708 #define IS_CEC_MSGSIZE(__SIZE__) ((__SIZE__) <= 0x10)
709
710 /** @brief Check CEC device Own Address Register (OAR) setting.
711 * OAR address is written in a 15-bit field within CEC_CFGR register.
712 * @param __ADDRESS__: CEC own address.
713 * @retval Test result (TRUE or FALSE).
714 */
715 #define IS_CEC_OWN_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x7FFF)
716
717 /** @brief Check CEC initiator or destination logical address setting.
718 * Initiator and destination addresses are coded over 4 bits.
719 * @param __ADDRESS__: CEC initiator or logical address.
720 * @retval Test result (TRUE or FALSE).
721 */
722 #define IS_CEC_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0xF)
723 /**
724 * @}
725 */
726 /* Private functions ---------------------------------------------------------*/
727 /** @defgroup CEC_Private_Functions CEC Private Functions
728 * @{
729 */
730
731 /**
732 * @}
733 */
734
735 /**
736 * @}
737 */
738
739 /**
740 * @}
741 */
742
743 #endif /* CEC */
744
745 #ifdef __cplusplus
746 }
747 #endif
748
749 #endif /* __STM32F7xx_HAL_CEC_H */
750
751 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
INAV: Navigation-enabled flight control software