stm32f7xx_hal_cec.h 33 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f7xx_hal_cec.h
  4. * @author MCD Application Team
  5. * @version V1.2.0
  6. * @date 30-December-2016
  7. * @brief Header file of CEC HAL module.
  8. ******************************************************************************
  9. * @attention
  10. *
  11. * <h2><center>&copy; COPYRIGHT(c) 2016 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. /* Define to prevent recursive inclusion -------------------------------------*/
  38. #ifndef __STM32F7xx_HAL_CEC_H
  39. #define __STM32F7xx_HAL_CEC_H
  40. #ifdef __cplusplus
  41. extern "C" {
  42. #endif
  43. /* Includes ------------------------------------------------------------------*/
  44. #include "stm32f7xx_hal_def.h"
  45. #if defined (CEC)
  46. /** @addtogroup STM32F7xx_HAL_Driver
  47. * @{
  48. */
  49. /** @addtogroup CEC
  50. * @{
  51. */
  52. /* Exported types ------------------------------------------------------------*/
  53. /** @defgroup CEC_Exported_Types CEC Exported Types
  54. * @{
  55. */
  56. /**
  57. * @brief CEC Init Structure definition
  58. */
  59. typedef struct
  60. {
  61. uint32_t SignalFreeTime; /*!< Set SFT field, specifies the Signal Free Time.
  62. It can be one of @ref CEC_Signal_Free_Time
  63. and belongs to the set {0,...,7} where
  64. 0x0 is the default configuration
  65. else means 0.5 + (SignalFreeTime - 1) nominal data bit periods */
  66. uint32_t Tolerance; /*!< Set RXTOL bit, specifies the tolerance accepted on the received waveforms,
  67. it can be a value of @ref CEC_Tolerance : it is either CEC_STANDARD_TOLERANCE
  68. or CEC_EXTENDED_TOLERANCE */
  69. uint32_t BRERxStop; /*!< Set BRESTP bit @ref CEC_BRERxStop : specifies whether or not a Bit Rising Error stops the reception.
  70. CEC_NO_RX_STOP_ON_BRE: reception is not stopped.
  71. CEC_RX_STOP_ON_BRE: reception is stopped. */
  72. uint32_t BREErrorBitGen; /*!< Set BREGEN bit @ref CEC_BREErrorBitGen : specifies whether or not an Error-Bit is generated on the
  73. CEC line upon Bit Rising Error detection.
  74. CEC_BRE_ERRORBIT_NO_GENERATION: no error-bit generation.
  75. CEC_BRE_ERRORBIT_GENERATION: error-bit generation if BRESTP is set. */
  76. uint32_t LBPEErrorBitGen; /*!< Set LBPEGEN bit @ref CEC_LBPEErrorBitGen : specifies whether or not an Error-Bit is generated on the
  77. CEC line upon Long Bit Period Error detection.
  78. CEC_LBPE_ERRORBIT_NO_GENERATION: no error-bit generation.
  79. CEC_LBPE_ERRORBIT_GENERATION: error-bit generation. */
  80. uint32_t BroadcastMsgNoErrorBitGen; /*!< Set BRDNOGEN bit @ref CEC_BroadCastMsgErrorBitGen : allows to avoid an Error-Bit generation on the CEC line
  81. upon an error detected on a broadcast message.
  82. It supersedes BREGEN and LBPEGEN bits for a broadcast message error handling. It can take two values:
  83. 1) CEC_BROADCASTERROR_ERRORBIT_GENERATION.
  84. a) BRE detection: error-bit generation on the CEC line if BRESTP=CEC_RX_STOP_ON_BRE
  85. and BREGEN=CEC_BRE_ERRORBIT_NO_GENERATION.
  86. b) LBPE detection: error-bit generation on the CEC line
  87. if LBPGEN=CEC_LBPE_ERRORBIT_NO_GENERATION.
  88. 2) CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION.
  89. no error-bit generation in case neither a) nor b) are satisfied. Additionally,
  90. there is no error-bit generation in case of Short Bit Period Error detection in
  91. a broadcast message while LSTN bit is set. */
  92. uint32_t SignalFreeTimeOption; /*!< Set SFTOP bit @ref CEC_SFT_Option : specifies when SFT timer starts.
  93. CEC_SFT_START_ON_TXSOM SFT: timer starts when TXSOM is set by software.
  94. CEC_SFT_START_ON_TX_RX_END: SFT timer starts automatically at the end of message transmission/reception. */
  95. uint32_t ListenMode; /*!< Set LSTN bit @ref CEC_Listening_Mode : specifies device listening mode. It can take two values:
  96. CEC_REDUCED_LISTENING_MODE: CEC peripheral receives only message addressed to its
  97. own address (OAR). Messages addressed to different destination are ignored.
  98. Broadcast messages are always received.
  99. CEC_FULL_LISTENING_MODE: CEC peripheral receives messages addressed to its own
  100. address (OAR) with positive acknowledge. Messages addressed to different destination
  101. are received, but without interfering with the CEC bus: no acknowledge sent. */
  102. uint16_t OwnAddress; /*!< Own addresses configuration
  103. This parameter can be a value of @ref CEC_OWN_ADDRESS */
  104. uint8_t *RxBuffer; /*!< CEC Rx buffer pointeur */
  105. }CEC_InitTypeDef;
  106. /**
  107. * @brief HAL CEC State structures definition
  108. * @note HAL CEC State value is a combination of 2 different substates: gState and RxState.
  109. * - gState contains CEC state information related to global Handle management
  110. * and also information related to Tx operations.
  111. * gState value coding follow below described bitmap :
  112. * b7 (not used)
  113. * x : Should be set to 0
  114. * b6 Error information
  115. * 0 : No Error
  116. * 1 : Error
  117. * b5 IP initilisation status
  118. * 0 : Reset (IP not initialized)
  119. * 1 : Init done (IP initialized. HAL CEC Init function already called)
  120. * b4-b3 (not used)
  121. * xx : Should be set to 00
  122. * b2 Intrinsic process state
  123. * 0 : Ready
  124. * 1 : Busy (IP busy with some configuration or internal operations)
  125. * b1 (not used)
  126. * x : Should be set to 0
  127. * b0 Tx state
  128. * 0 : Ready (no Tx operation ongoing)
  129. * 1 : Busy (Tx operation ongoing)
  130. * - RxState contains information related to Rx operations.
  131. * RxState value coding follow below described bitmap :
  132. * b7-b6 (not used)
  133. * xx : Should be set to 00
  134. * b5 IP initilisation status
  135. * 0 : Reset (IP not initialized)
  136. * 1 : Init done (IP initialized)
  137. * b4-b2 (not used)
  138. * xxx : Should be set to 000
  139. * b1 Rx state
  140. * 0 : Ready (no Rx operation ongoing)
  141. * 1 : Busy (Rx operation ongoing)
  142. * b0 (not used)
  143. * x : Should be set to 0.
  144. */
  145. typedef enum
  146. {
  147. HAL_CEC_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized
  148. Value is allowed for gState and RxState */
  149. HAL_CEC_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use
  150. Value is allowed for gState and RxState */
  151. HAL_CEC_STATE_BUSY = 0x24U, /*!< an internal process is ongoing
  152. Value is allowed for gState only */
  153. HAL_CEC_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing
  154. Value is allowed for RxState only */
  155. HAL_CEC_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing
  156. Value is allowed for gState only */
  157. HAL_CEC_STATE_BUSY_RX_TX = 0x23U, /*!< an internal process is ongoing
  158. Value is allowed for gState only */
  159. HAL_CEC_STATE_ERROR = 0x60U /*!< Error Value is allowed for gState only */
  160. }HAL_CEC_StateTypeDef;
  161. /**
  162. * @brief CEC handle Structure definition
  163. */
  164. typedef struct
  165. {
  166. CEC_TypeDef *Instance; /*!< CEC registers base address */
  167. CEC_InitTypeDef Init; /*!< CEC communication parameters */
  168. uint8_t *pTxBuffPtr; /*!< Pointer to CEC Tx transfer Buffer */
  169. uint16_t TxXferCount; /*!< CEC Tx Transfer Counter */
  170. uint16_t RxXferSize; /*!< CEC Rx Transfer size, 0: header received only */
  171. HAL_LockTypeDef Lock; /*!< Locking object */
  172. HAL_CEC_StateTypeDef gState; /*!< CEC state information related to global Handle management
  173. and also related to Tx operations.
  174. This parameter can be a value of @ref HAL_CEC_StateTypeDef */
  175. HAL_CEC_StateTypeDef RxState; /*!< CEC state information related to Rx operations.
  176. This parameter can be a value of @ref HAL_CEC_StateTypeDef */
  177. uint32_t ErrorCode; /*!< For errors handling purposes, copy of ISR register
  178. in case error is reported */
  179. }CEC_HandleTypeDef;
  180. /**
  181. * @}
  182. */
  183. /* Exported constants --------------------------------------------------------*/
  184. /** @defgroup CEC_Exported_Constants CEC Exported Constants
  185. * @{
  186. */
  187. /** @defgroup CEC_Error_Code CEC Error Code
  188. * @{
  189. */
  190. #define HAL_CEC_ERROR_NONE (uint32_t) 0x0000U /*!< no error */
  191. #define HAL_CEC_ERROR_RXOVR CEC_ISR_RXOVR /*!< CEC Rx-Overrun */
  192. #define HAL_CEC_ERROR_BRE CEC_ISR_BRE /*!< CEC Rx Bit Rising Error */
  193. #define HAL_CEC_ERROR_SBPE CEC_ISR_SBPE /*!< CEC Rx Short Bit period Error */
  194. #define HAL_CEC_ERROR_LBPE CEC_ISR_LBPE /*!< CEC Rx Long Bit period Error */
  195. #define HAL_CEC_ERROR_RXACKE CEC_ISR_RXACKE /*!< CEC Rx Missing Acknowledge */
  196. #define HAL_CEC_ERROR_ARBLST CEC_ISR_ARBLST /*!< CEC Arbitration Lost */
  197. #define HAL_CEC_ERROR_TXUDR CEC_ISR_TXUDR /*!< CEC Tx-Buffer Underrun */
  198. #define HAL_CEC_ERROR_TXERR CEC_ISR_TXERR /*!< CEC Tx-Error */
  199. #define HAL_CEC_ERROR_TXACKE CEC_ISR_TXACKE /*!< CEC Tx Missing Acknowledge */
  200. /**
  201. * @}
  202. */
  203. /** @defgroup CEC_Signal_Free_Time CEC Signal Free Time setting parameter
  204. * @{
  205. */
  206. #define CEC_DEFAULT_SFT ((uint32_t)0x00000000U)
  207. #define CEC_0_5_BITPERIOD_SFT ((uint32_t)0x00000001U)
  208. #define CEC_1_5_BITPERIOD_SFT ((uint32_t)0x00000002U)
  209. #define CEC_2_5_BITPERIOD_SFT ((uint32_t)0x00000003U)
  210. #define CEC_3_5_BITPERIOD_SFT ((uint32_t)0x00000004U)
  211. #define CEC_4_5_BITPERIOD_SFT ((uint32_t)0x00000005U)
  212. #define CEC_5_5_BITPERIOD_SFT ((uint32_t)0x00000006U)
  213. #define CEC_6_5_BITPERIOD_SFT ((uint32_t)0x00000007U)
  214. /**
  215. * @}
  216. */
  217. /** @defgroup CEC_Tolerance CEC Receiver Tolerance
  218. * @{
  219. */
  220. #define CEC_STANDARD_TOLERANCE ((uint32_t)0x00000000U)
  221. #define CEC_EXTENDED_TOLERANCE ((uint32_t)CEC_CFGR_RXTOL)
  222. /**
  223. * @}
  224. */
  225. /** @defgroup CEC_BRERxStop CEC Reception Stop on Error
  226. * @{
  227. */
  228. #define CEC_NO_RX_STOP_ON_BRE ((uint32_t)0x00000000U)
  229. #define CEC_RX_STOP_ON_BRE ((uint32_t)CEC_CFGR_BRESTP)
  230. /**
  231. * @}
  232. */
  233. /** @defgroup CEC_BREErrorBitGen CEC Error Bit Generation if Bit Rise Error reported
  234. * @{
  235. */
  236. #define CEC_BRE_ERRORBIT_NO_GENERATION ((uint32_t)0x00000000U)
  237. #define CEC_BRE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BREGEN)
  238. /**
  239. * @}
  240. */
  241. /** @defgroup CEC_LBPEErrorBitGen CEC Error Bit Generation if Long Bit Period Error reported
  242. * @{
  243. */
  244. #define CEC_LBPE_ERRORBIT_NO_GENERATION ((uint32_t)0x00000000U)
  245. #define CEC_LBPE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_LBPEGEN)
  246. /**
  247. * @}
  248. */
  249. /** @defgroup CEC_BroadCastMsgErrorBitGen CEC Error Bit Generation on Broadcast message
  250. * @{
  251. */
  252. #define CEC_BROADCASTERROR_ERRORBIT_GENERATION ((uint32_t)0x00000000U)
  253. #define CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BRDNOGEN)
  254. /**
  255. * @}
  256. */
  257. /** @defgroup CEC_SFT_Option CEC Signal Free Time start option
  258. * @{
  259. */
  260. #define CEC_SFT_START_ON_TXSOM ((uint32_t)0x00000000U)
  261. #define CEC_SFT_START_ON_TX_RX_END ((uint32_t)CEC_CFGR_SFTOPT)
  262. /**
  263. * @}
  264. */
  265. /** @defgroup CEC_Listening_Mode CEC Listening mode option
  266. * @{
  267. */
  268. #define CEC_REDUCED_LISTENING_MODE ((uint32_t)0x00000000U)
  269. #define CEC_FULL_LISTENING_MODE ((uint32_t)CEC_CFGR_LSTN)
  270. /**
  271. * @}
  272. */
  273. /** @defgroup CEC_OAR_Position CEC Device Own Address position in CEC CFGR register
  274. * @{
  275. */
  276. #define CEC_CFGR_OAR_LSB_POS ((uint32_t) 16U)
  277. /**
  278. * @}
  279. */
  280. /** @defgroup CEC_Initiator_Position CEC Initiator logical address position in message header
  281. * @{
  282. */
  283. #define CEC_INITIATOR_LSB_POS ((uint32_t) 4U)
  284. /**
  285. * @}
  286. */
  287. /** @defgroup CEC_OWN_ADDRESS CEC Own Address
  288. * @{
  289. */
  290. #define CEC_OWN_ADDRESS_NONE ((uint16_t) 0x0000U) /* Reset value */
  291. #define CEC_OWN_ADDRESS_0 ((uint16_t) 0x0001U) /* Logical Address 0 */
  292. #define CEC_OWN_ADDRESS_1 ((uint16_t) 0x0002U) /* Logical Address 1 */
  293. #define CEC_OWN_ADDRESS_2 ((uint16_t) 0x0004U) /* Logical Address 2 */
  294. #define CEC_OWN_ADDRESS_3 ((uint16_t) 0x0008U) /* Logical Address 3 */
  295. #define CEC_OWN_ADDRESS_4 ((uint16_t) 0x0010U) /* Logical Address 4 */
  296. #define CEC_OWN_ADDRESS_5 ((uint16_t) 0x0020U) /* Logical Address 5 */
  297. #define CEC_OWN_ADDRESS_6 ((uint16_t) 0x0040U) /* Logical Address 6 */
  298. #define CEC_OWN_ADDRESS_7 ((uint16_t) 0x0080U) /* Logical Address 7 */
  299. #define CEC_OWN_ADDRESS_8 ((uint16_t) 0x0100U) /* Logical Address 9 */
  300. #define CEC_OWN_ADDRESS_9 ((uint16_t) 0x0200U) /* Logical Address 10 */
  301. #define CEC_OWN_ADDRESS_10 ((uint16_t) 0x0400U) /* Logical Address 11 */
  302. #define CEC_OWN_ADDRESS_11 ((uint16_t) 0x0800U) /* Logical Address 12 */
  303. #define CEC_OWN_ADDRESS_12 ((uint16_t) 0x1000U) /* Logical Address 13 */
  304. #define CEC_OWN_ADDRESS_13 ((uint16_t) 0x2000U) /* Logical Address 14 */
  305. #define CEC_OWN_ADDRESS_14 ((uint16_t) 0x4000U) /* Logical Address 15 */
  306. /**
  307. * @}
  308. */
  309. /** @defgroup CEC_Interrupts_Definitions CEC Interrupts definition
  310. * @{
  311. */
  312. #define CEC_IT_TXACKE CEC_IER_TXACKEIE
  313. #define CEC_IT_TXERR CEC_IER_TXERRIE
  314. #define CEC_IT_TXUDR CEC_IER_TXUDRIE
  315. #define CEC_IT_TXEND CEC_IER_TXENDIE
  316. #define CEC_IT_TXBR CEC_IER_TXBRIE
  317. #define CEC_IT_ARBLST CEC_IER_ARBLSTIE
  318. #define CEC_IT_RXACKE CEC_IER_RXACKEIE
  319. #define CEC_IT_LBPE CEC_IER_LBPEIE
  320. #define CEC_IT_SBPE CEC_IER_SBPEIE
  321. #define CEC_IT_BRE CEC_IER_BREIE
  322. #define CEC_IT_RXOVR CEC_IER_RXOVRIE
  323. #define CEC_IT_RXEND CEC_IER_RXENDIE
  324. #define CEC_IT_RXBR CEC_IER_RXBRIE
  325. /**
  326. * @}
  327. */
  328. /** @defgroup CEC_Flags_Definitions CEC Flags definition
  329. * @{
  330. */
  331. #define CEC_FLAG_TXACKE CEC_ISR_TXACKE
  332. #define CEC_FLAG_TXERR CEC_ISR_TXERR
  333. #define CEC_FLAG_TXUDR CEC_ISR_TXUDR
  334. #define CEC_FLAG_TXEND CEC_ISR_TXEND
  335. #define CEC_FLAG_TXBR CEC_ISR_TXBR
  336. #define CEC_FLAG_ARBLST CEC_ISR_ARBLST
  337. #define CEC_FLAG_RXACKE CEC_ISR_RXACKE
  338. #define CEC_FLAG_LBPE CEC_ISR_LBPE
  339. #define CEC_FLAG_SBPE CEC_ISR_SBPE
  340. #define CEC_FLAG_BRE CEC_ISR_BRE
  341. #define CEC_FLAG_RXOVR CEC_ISR_RXOVR
  342. #define CEC_FLAG_RXEND CEC_ISR_RXEND
  343. #define CEC_FLAG_RXBR CEC_ISR_RXBR
  344. /**
  345. * @}
  346. */
  347. /** @defgroup CEC_ALL_ERROR CEC all RX or TX errors flags
  348. * @{
  349. */
  350. #define CEC_ISR_ALL_ERROR ((uint32_t)CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE|\
  351. CEC_ISR_ARBLST|CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)
  352. /**
  353. * @}
  354. */
  355. /** @defgroup CEC_IER_ALL_RX CEC all RX errors interrupts enabling flag
  356. * @{
  357. */
  358. #define CEC_IER_RX_ALL_ERR ((uint32_t)CEC_IER_RXACKEIE|CEC_IER_LBPEIE|CEC_IER_SBPEIE|CEC_IER_BREIE|CEC_IER_RXOVRIE)
  359. /**
  360. * @}
  361. */
  362. /** @defgroup CEC_IER_ALL_TX CEC all TX errors interrupts enabling flag
  363. * @{
  364. */
  365. #define CEC_IER_TX_ALL_ERR ((uint32_t)CEC_IER_TXACKEIE|CEC_IER_TXERRIE|CEC_IER_TXUDRIE|CEC_IER_ARBLSTIE)
  366. /**
  367. * @}
  368. */
  369. /**
  370. * @}
  371. */
  372. /* Exported macros -----------------------------------------------------------*/
  373. /** @defgroup CEC_Exported_Macros CEC Exported Macros
  374. * @{
  375. */
  376. /** @brief Reset CEC handle gstate & RxState
  377. * @param __HANDLE__: CEC handle.
  378. * @retval None
  379. */
  380. #define __HAL_CEC_RESET_HANDLE_STATE(__HANDLE__) do{ \
  381. (__HANDLE__)->gState = HAL_CEC_STATE_RESET; \
  382. (__HANDLE__)->RxState = HAL_CEC_STATE_RESET; \
  383. } while(0)
  384. /** @brief Checks whether or not the specified CEC interrupt flag is set.
  385. * @param __HANDLE__: specifies the CEC Handle.
  386. * @param __FLAG__: specifies the flag to check.
  387. * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
  388. * @arg CEC_FLAG_TXERR: Tx Error.
  389. * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
  390. * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
  391. * @arg CEC_FLAG_TXBR: Tx-Byte Request.
  392. * @arg CEC_FLAG_ARBLST: Arbitration Lost
  393. * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
  394. * @arg CEC_FLAG_LBPE: Rx Long period Error
  395. * @arg CEC_FLAG_SBPE: Rx Short period Error
  396. * @arg CEC_FLAG_BRE: Rx Bit Rising Error
  397. * @arg CEC_FLAG_RXOVR: Rx Overrun.
  398. * @arg CEC_FLAG_RXEND: End Of Reception.
  399. * @arg CEC_FLAG_RXBR: Rx-Byte Received.
  400. * @retval ITStatus
  401. */
  402. #define __HAL_CEC_GET_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR & (__FLAG__))
  403. /** @brief Clears the interrupt or status flag when raised (write at 1)
  404. * @param __HANDLE__: specifies the CEC Handle.
  405. * @param __FLAG__: specifies the interrupt/status flag to clear.
  406. * This parameter can be one of the following values:
  407. * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
  408. * @arg CEC_FLAG_TXERR: Tx Error.
  409. * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
  410. * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
  411. * @arg CEC_FLAG_TXBR: Tx-Byte Request.
  412. * @arg CEC_FLAG_ARBLST: Arbitration Lost
  413. * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
  414. * @arg CEC_FLAG_LBPE: Rx Long period Error
  415. * @arg CEC_FLAG_SBPE: Rx Short period Error
  416. * @arg CEC_FLAG_BRE: Rx Bit Rising Error
  417. * @arg CEC_FLAG_RXOVR: Rx Overrun.
  418. * @arg CEC_FLAG_RXEND: End Of Reception.
  419. * @arg CEC_FLAG_RXBR: Rx-Byte Received.
  420. * @retval none
  421. */
  422. #define __HAL_CEC_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR |= (__FLAG__))
  423. /** @brief Enables the specified CEC interrupt.
  424. * @param __HANDLE__: specifies the CEC Handle.
  425. * @param __INTERRUPT__: specifies the CEC interrupt to enable.
  426. * This parameter can be one of the following values:
  427. * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
  428. * @arg CEC_IT_TXERR: Tx Error IT Enable
  429. * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
  430. * @arg CEC_IT_TXEND: End of transmission IT Enable
  431. * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
  432. * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
  433. * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
  434. * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
  435. * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
  436. * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
  437. * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
  438. * @arg CEC_IT_RXEND: End Of Reception IT Enable
  439. * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
  440. * @retval none
  441. */
  442. #define __HAL_CEC_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))
  443. /** @brief Disables the specified CEC interrupt.
  444. * @param __HANDLE__: specifies the CEC Handle.
  445. * @param __INTERRUPT__: specifies the CEC interrupt to disable.
  446. * This parameter can be one of the following values:
  447. * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
  448. * @arg CEC_IT_TXERR: Tx Error IT Enable
  449. * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
  450. * @arg CEC_IT_TXEND: End of transmission IT Enable
  451. * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
  452. * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
  453. * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
  454. * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
  455. * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
  456. * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
  457. * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
  458. * @arg CEC_IT_RXEND: End Of Reception IT Enable
  459. * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
  460. * @retval none
  461. */
  462. #define __HAL_CEC_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER &= (~(__INTERRUPT__)))
  463. /** @brief Checks whether or not the specified CEC interrupt is enabled.
  464. * @param __HANDLE__: specifies the CEC Handle.
  465. * @param __INTERRUPT__: specifies the CEC interrupt to check.
  466. * This parameter can be one of the following values:
  467. * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
  468. * @arg CEC_IT_TXERR: Tx Error IT Enable
  469. * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
  470. * @arg CEC_IT_TXEND: End of transmission IT Enable
  471. * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
  472. * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
  473. * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
  474. * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
  475. * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
  476. * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
  477. * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
  478. * @arg CEC_IT_RXEND: End Of Reception IT Enable
  479. * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
  480. * @retval FlagStatus
  481. */
  482. #define __HAL_CEC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER & (__INTERRUPT__))
  483. /** @brief Enables the CEC device
  484. * @param __HANDLE__: specifies the CEC Handle.
  485. * @retval none
  486. */
  487. #define __HAL_CEC_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_CECEN)
  488. /** @brief Disables the CEC device
  489. * @param __HANDLE__: specifies the CEC Handle.
  490. * @retval none
  491. */
  492. #define __HAL_CEC_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~CEC_CR_CECEN)
  493. /** @brief Set Transmission Start flag
  494. * @param __HANDLE__: specifies the CEC Handle.
  495. * @retval none
  496. */
  497. #define __HAL_CEC_FIRST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXSOM)
  498. /** @brief Set Transmission End flag
  499. * @param __HANDLE__: specifies the CEC Handle.
  500. * @retval none
  501. * If the CEC message consists of only one byte, TXEOM must be set before of TXSOM.
  502. */
  503. #define __HAL_CEC_LAST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXEOM)
  504. /** @brief Get Transmission Start flag
  505. * @param __HANDLE__: specifies the CEC Handle.
  506. * @retval FlagStatus
  507. */
  508. #define __HAL_CEC_GET_TRANSMISSION_START_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXSOM)
  509. /** @brief Get Transmission End flag
  510. * @param __HANDLE__: specifies the CEC Handle.
  511. * @retval FlagStatus
  512. */
  513. #define __HAL_CEC_GET_TRANSMISSION_END_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXEOM)
  514. /** @brief Clear OAR register
  515. * @param __HANDLE__: specifies the CEC Handle.
  516. * @retval none
  517. */
  518. #define __HAL_CEC_CLEAR_OAR(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CFGR, CEC_CFGR_OAR)
  519. /** @brief Set OAR register (without resetting previously set address in case of multi-address mode)
  520. * To reset OAR, __HAL_CEC_CLEAR_OAR() needs to be called beforehand
  521. * @param __HANDLE__: specifies the CEC Handle.
  522. * @param __ADDRESS__: Own Address value (CEC logical address is identified by bit position)
  523. * @retval none
  524. */
  525. #define __HAL_CEC_SET_OAR(__HANDLE__,__ADDRESS__) SET_BIT((__HANDLE__)->Instance->CFGR, (__ADDRESS__)<< CEC_CFGR_OAR_LSB_POS)
  526. /**
  527. * @}
  528. */
  529. /* Exported functions --------------------------------------------------------*/
  530. /** @addtogroup CEC_Exported_Functions
  531. * @{
  532. */
  533. /** @addtogroup CEC_Exported_Functions_Group1
  534. * @{
  535. */
  536. /* Initialization and de-initialization functions ****************************/
  537. HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec);
  538. HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec);
  539. HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress);
  540. void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec);
  541. void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec);
  542. /**
  543. * @}
  544. */
  545. /** @addtogroup CEC_Exported_Functions_Group2
  546. * @{
  547. */
  548. /* I/O operation functions ***************************************************/
  549. HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef *hcec, uint8_t InitiatorAddress,uint8_t DestinationAddress, uint8_t *pData, uint32_t Size);
  550. uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef *hcec);
  551. void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef *hcec, uint8_t* Rxbuffer);
  552. void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec);
  553. void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec);
  554. void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec, uint32_t RxFrameSize);
  555. void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec);
  556. /**
  557. * @}
  558. */
  559. /** @addtogroup CEC_Exported_Functions_Group3
  560. * @{
  561. */
  562. /* Peripheral State functions ************************************************/
  563. HAL_CEC_StateTypeDef HAL_CEC_GetState(CEC_HandleTypeDef *hcec);
  564. uint32_t HAL_CEC_GetError(CEC_HandleTypeDef *hcec);
  565. /**
  566. * @}
  567. */
  568. /**
  569. * @}
  570. */
  571. /* Private types -------------------------------------------------------------*/
  572. /** @defgroup CEC_Private_Types CEC Private Types
  573. * @{
  574. */
  575. /**
  576. * @}
  577. */
  578. /* Private variables ---------------------------------------------------------*/
  579. /** @defgroup CEC_Private_Variables CEC Private Variables
  580. * @{
  581. */
  582. /**
  583. * @}
  584. */
  585. /* Private constants ---------------------------------------------------------*/
  586. /** @defgroup CEC_Private_Constants CEC Private Constants
  587. * @{
  588. */
  589. /**
  590. * @}
  591. */
  592. /* Private macros ------------------------------------------------------------*/
  593. /** @defgroup CEC_Private_Macros CEC Private Macros
  594. * @{
  595. */
  596. #define IS_CEC_SIGNALFREETIME(__SFT__) ((__SFT__) <= CEC_CFGR_SFT)
  597. #define IS_CEC_TOLERANCE(__RXTOL__) (((__RXTOL__) == CEC_STANDARD_TOLERANCE) || \
  598. ((__RXTOL__) == CEC_EXTENDED_TOLERANCE))
  599. #define IS_CEC_BRERXSTOP(__BRERXSTOP__) (((__BRERXSTOP__) == CEC_NO_RX_STOP_ON_BRE) || \
  600. ((__BRERXSTOP__) == CEC_RX_STOP_ON_BRE))
  601. #define IS_CEC_BREERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_NO_GENERATION) || \
  602. ((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_GENERATION))
  603. #define IS_CEC_LBPEERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_NO_GENERATION) || \
  604. ((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_GENERATION))
  605. #define IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BROADCASTERROR_ERRORBIT_GENERATION) || \
  606. ((__ERRORBITGEN__) == CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION))
  607. #define IS_CEC_SFTOP(__SFTOP__) (((__SFTOP__) == CEC_SFT_START_ON_TXSOM) || \
  608. ((__SFTOP__) == CEC_SFT_START_ON_TX_RX_END))
  609. #define IS_CEC_LISTENING_MODE(__MODE__) (((__MODE__) == CEC_REDUCED_LISTENING_MODE) || \
  610. ((__MODE__) == CEC_FULL_LISTENING_MODE))
  611. /** @brief Check CEC message size.
  612. * The message size is the payload size: without counting the header,
  613. * it varies from 0 byte (ping operation, one header only, no payload) to
  614. * 15 bytes (1 opcode and up to 14 operands following the header).
  615. * @param __SIZE__: CEC message size.
  616. * @retval Test result (TRUE or FALSE).
  617. */
  618. #define IS_CEC_MSGSIZE(__SIZE__) ((__SIZE__) <= 0x10)
  619. /** @brief Check CEC device Own Address Register (OAR) setting.
  620. * OAR address is written in a 15-bit field within CEC_CFGR register.
  621. * @param __ADDRESS__: CEC own address.
  622. * @retval Test result (TRUE or FALSE).
  623. */
  624. #define IS_CEC_OWN_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x7FFF)
  625. /** @brief Check CEC initiator or destination logical address setting.
  626. * Initiator and destination addresses are coded over 4 bits.
  627. * @param __ADDRESS__: CEC initiator or logical address.
  628. * @retval Test result (TRUE or FALSE).
  629. */
  630. #define IS_CEC_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0xF)
  631. /**
  632. * @}
  633. */
  634. /* Private functions ---------------------------------------------------------*/
  635. /** @defgroup CEC_Private_Functions CEC Private Functions
  636. * @{
  637. */
  638. /**
  639. * @}
  640. */
  641. /**
  642. * @}
  643. */
  644. /**
  645. * @}
  646. */
  647. #endif /* CEC */
  648. #ifdef __cplusplus
  649. }
  650. #endif
  651. #endif /* __STM32F7xx_HAL_CEC_H */
  652. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/