1 /**
2   ******************************************************************************
3   * @file    stm32h7rsxx_hal_smbus.h
4   * @author  MCD Application Team
5   * @brief   Header file of SMBUS HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2022 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 STM32H7RSxx_HAL_SMBUS_H
21 #define STM32H7RSxx_HAL_SMBUS_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32h7rsxx_hal_def.h"
29 
30 /** @addtogroup STM32H7RSxx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup SMBUS
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 /** @defgroup SMBUS_Exported_Types SMBUS Exported Types
40   * @{
41   */
42 
43 /** @defgroup SMBUS_Configuration_Structure_definition SMBUS Configuration Structure definition
44   * @brief  SMBUS Configuration Structure definition
45   * @{
46   */
47 typedef struct
48 {
49   uint32_t Timing;                 /*!< Specifies the SMBUS_TIMINGR_register value.
50                                         This parameter calculated by referring to SMBUS initialization section
51                                         in Reference manual */
52   uint32_t AnalogFilter;           /*!< Specifies if Analog Filter is enable or not.
53                                         This parameter can be a value of @ref SMBUS_Analog_Filter */
54 
55   uint32_t OwnAddress1;            /*!< Specifies the first device own address.
56                                         This parameter can be a 7-bit address. */
57 
58   uint32_t AddressingMode;         /*!< Specifies addressing mode selected.
59                                         This parameter can be a value of @ref SMBUS_addressing_mode */
60 
61   uint32_t DualAddressMode;        /*!< Specifies if dual addressing mode is selected.
62                                         This parameter can be a value of @ref SMBUS_dual_addressing_mode */
63 
64   uint32_t OwnAddress2;            /*!< Specifies the second device own address if dual addressing mode is selected
65                                         This parameter can be a 7-bit address. */
66 
67   uint32_t OwnAddress2Masks;       /*!< Specifies the acknowledge mask address second device own address
68                                         if dual addressing mode is selected
69                                         This parameter can be a value of @ref SMBUS_own_address2_masks. */
70 
71   uint32_t GeneralCallMode;        /*!< Specifies if general call mode is selected.
72                                         This parameter can be a value of @ref SMBUS_general_call_addressing_mode. */
73 
74   uint32_t NoStretchMode;          /*!< Specifies if nostretch mode is selected.
75                                         This parameter can be a value of @ref SMBUS_nostretch_mode */
76 
77   uint32_t PacketErrorCheckMode;   /*!< Specifies if Packet Error Check mode is selected.
78                                         This parameter can be a value of @ref SMBUS_packet_error_check_mode */
79 
80   uint32_t PeripheralMode;         /*!< Specifies which mode of Periphal is selected.
81                                         This parameter can be a value of @ref SMBUS_peripheral_mode */
82 
83   uint32_t SMBusTimeout;           /*!< Specifies the content of the 32 Bits SMBUS_TIMEOUT_register value.
84                                         (Enable bits and different timeout values)
85                                         This parameter calculated by referring to SMBUS initialization section
86                                         in Reference manual */
87 } SMBUS_InitTypeDef;
88 /**
89   * @}
90   */
91 
92 /** @defgroup HAL_state_definition HAL state definition
93   * @brief  HAL State definition
94   * @{
95   */
96 #define HAL_SMBUS_STATE_RESET           (0x00000000U)  /*!< SMBUS not yet initialized or disabled         */
97 #define HAL_SMBUS_STATE_READY           (0x00000001U)  /*!< SMBUS initialized and ready for use           */
98 #define HAL_SMBUS_STATE_BUSY            (0x00000002U)  /*!< SMBUS internal process is ongoing             */
99 #define HAL_SMBUS_STATE_MASTER_BUSY_TX  (0x00000012U)  /*!< Master Data Transmission process is ongoing   */
100 #define HAL_SMBUS_STATE_MASTER_BUSY_RX  (0x00000022U)  /*!< Master Data Reception process is ongoing      */
101 #define HAL_SMBUS_STATE_SLAVE_BUSY_TX   (0x00000032U)  /*!< Slave Data Transmission process is ongoing    */
102 #define HAL_SMBUS_STATE_SLAVE_BUSY_RX   (0x00000042U)  /*!< Slave Data Reception process is ongoing       */
103 #define HAL_SMBUS_STATE_LISTEN          (0x00000008U)  /*!< Address Listen Mode is ongoing                */
104 /**
105   * @}
106   */
107 
108 /** @defgroup SMBUS_Error_Code_definition SMBUS Error Code definition
109   * @brief  SMBUS Error Code definition
110   * @{
111   */
112 #define HAL_SMBUS_ERROR_NONE            (0x00000000U)    /*!< No error             */
113 #define HAL_SMBUS_ERROR_BERR            (0x00000001U)    /*!< BERR error           */
114 #define HAL_SMBUS_ERROR_ARLO            (0x00000002U)    /*!< ARLO error           */
115 #define HAL_SMBUS_ERROR_ACKF            (0x00000004U)    /*!< ACKF error           */
116 #define HAL_SMBUS_ERROR_OVR             (0x00000008U)    /*!< OVR error            */
117 #define HAL_SMBUS_ERROR_HALTIMEOUT      (0x00000010U)    /*!< Timeout error        */
118 #define HAL_SMBUS_ERROR_BUSTIMEOUT      (0x00000020U)    /*!< Bus Timeout error    */
119 #define HAL_SMBUS_ERROR_ALERT           (0x00000040U)    /*!< Alert error          */
120 #define HAL_SMBUS_ERROR_PECERR          (0x00000080U)    /*!< PEC error            */
121 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
122 #define HAL_SMBUS_ERROR_INVALID_CALLBACK  (0x00000100U)  /*!< Invalid Callback error   */
123 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
124 #define HAL_SMBUS_ERROR_INVALID_PARAM    (0x00000200U)   /*!< Invalid Parameters error */
125 /**
126   * @}
127   */
128 
129 /** @defgroup SMBUS_handle_Structure_definition SMBUS handle Structure definition
130   * @brief  SMBUS handle Structure definition
131   * @{
132   */
133 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
134 typedef struct __SMBUS_HandleTypeDef
135 #else
136 typedef struct
137 #endif  /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
138 {
139   I2C_TypeDef                  *Instance;       /*!< SMBUS registers base address       */
140 
141   SMBUS_InitTypeDef            Init;            /*!< SMBUS communication parameters     */
142 
143   uint8_t                      *pBuffPtr;       /*!< Pointer to SMBUS transfer buffer   */
144 
145   uint16_t                     XferSize;        /*!< SMBUS transfer size                */
146 
147   __IO uint16_t                XferCount;       /*!< SMBUS transfer counter             */
148 
149   __IO uint32_t                XferOptions;     /*!< SMBUS transfer options             */
150 
151   __IO uint32_t                PreviousState;   /*!< SMBUS communication Previous state */
152 
153   HAL_LockTypeDef              Lock;            /*!< SMBUS locking object               */
154 
155   __IO uint32_t                State;           /*!< SMBUS communication state          */
156 
157   __IO uint32_t                ErrorCode;       /*!< SMBUS Error code                   */
158 
159 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
160   void (* MasterTxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
161   /*!< SMBUS Master Tx Transfer completed callback */
162   void (* MasterRxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
163   /*!< SMBUS Master Rx Transfer completed callback */
164   void (* SlaveTxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
165   /*!< SMBUS Slave Tx Transfer completed callback  */
166   void (* SlaveRxCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
167   /*!< SMBUS Slave Rx Transfer completed callback  */
168   void (* ListenCpltCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
169   /*!< SMBUS Listen Complete callback              */
170   void (* ErrorCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
171   /*!< SMBUS Error callback                        */
172 
173   void (* AddrCallback)(struct __SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection, uint16_t AddrMatchCode);
174   /*!< SMBUS Slave Address Match callback */
175 
176   void (* MspInitCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
177   /*!< SMBUS Msp Init callback                     */
178   void (* MspDeInitCallback)(struct __SMBUS_HandleTypeDef *hsmbus);
179   /*!< SMBUS Msp DeInit callback                   */
180 
181 #endif  /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
182 } SMBUS_HandleTypeDef;
183 
184 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
185 /**
186   * @brief  HAL SMBUS Callback ID enumeration definition
187   */
188 typedef enum
189 {
190   HAL_SMBUS_MASTER_TX_COMPLETE_CB_ID      = 0x00U,    /*!< SMBUS Master Tx Transfer completed callback ID  */
191   HAL_SMBUS_MASTER_RX_COMPLETE_CB_ID      = 0x01U,    /*!< SMBUS Master Rx Transfer completed callback ID  */
192   HAL_SMBUS_SLAVE_TX_COMPLETE_CB_ID       = 0x02U,    /*!< SMBUS Slave Tx Transfer completed callback ID   */
193   HAL_SMBUS_SLAVE_RX_COMPLETE_CB_ID       = 0x03U,    /*!< SMBUS Slave Rx Transfer completed callback ID   */
194   HAL_SMBUS_LISTEN_COMPLETE_CB_ID         = 0x04U,    /*!< SMBUS Listen Complete callback ID               */
195   HAL_SMBUS_ERROR_CB_ID                   = 0x05U,    /*!< SMBUS Error callback ID                         */
196 
197   HAL_SMBUS_MSPINIT_CB_ID                 = 0x06U,    /*!< SMBUS Msp Init callback ID                      */
198   HAL_SMBUS_MSPDEINIT_CB_ID               = 0x07U     /*!< SMBUS Msp DeInit callback ID                    */
199 
200 } HAL_SMBUS_CallbackIDTypeDef;
201 
202 /**
203   * @brief  HAL SMBUS Callback pointer definition
204   */
205 typedef  void (*pSMBUS_CallbackTypeDef)(SMBUS_HandleTypeDef *hsmbus);
206 /*!< pointer to an SMBUS callback function */
207 typedef  void (*pSMBUS_AddrCallbackTypeDef)(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection,
208                                             uint16_t AddrMatchCode);
209 /*!< pointer to an SMBUS Address Match callback function */
210 
211 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
212 /**
213   * @}
214   */
215 
216 /**
217   * @}
218   */
219 /* Exported constants --------------------------------------------------------*/
220 
221 /** @defgroup SMBUS_Exported_Constants SMBUS Exported Constants
222   * @{
223   */
224 
225 /** @defgroup SMBUS_Analog_Filter SMBUS Analog Filter
226   * @{
227   */
228 #define SMBUS_ANALOGFILTER_ENABLE               (0x00000000U)
229 #define SMBUS_ANALOGFILTER_DISABLE              I2C_CR1_ANFOFF
230 /**
231   * @}
232   */
233 
234 /** @defgroup SMBUS_addressing_mode SMBUS addressing mode
235   * @{
236   */
237 #define SMBUS_ADDRESSINGMODE_7BIT               (0x00000001U)
238 /**
239   * @}
240   */
241 
242 /** @defgroup SMBUS_dual_addressing_mode SMBUS dual addressing mode
243   * @{
244   */
245 
246 #define SMBUS_DUALADDRESS_DISABLE               (0x00000000U)
247 #define SMBUS_DUALADDRESS_ENABLE                I2C_OAR2_OA2EN
248 /**
249   * @}
250   */
251 
252 /** @defgroup SMBUS_own_address2_masks SMBUS ownaddress2 masks
253   * @{
254   */
255 
256 #define SMBUS_OA2_NOMASK                        ((uint8_t)0x00U)
257 #define SMBUS_OA2_MASK01                        ((uint8_t)0x01U)
258 #define SMBUS_OA2_MASK02                        ((uint8_t)0x02U)
259 #define SMBUS_OA2_MASK03                        ((uint8_t)0x03U)
260 #define SMBUS_OA2_MASK04                        ((uint8_t)0x04U)
261 #define SMBUS_OA2_MASK05                        ((uint8_t)0x05U)
262 #define SMBUS_OA2_MASK06                        ((uint8_t)0x06U)
263 #define SMBUS_OA2_MASK07                        ((uint8_t)0x07U)
264 /**
265   * @}
266   */
267 
268 
269 /** @defgroup SMBUS_general_call_addressing_mode SMBUS general call addressing mode
270   * @{
271   */
272 #define SMBUS_GENERALCALL_DISABLE               (0x00000000U)
273 #define SMBUS_GENERALCALL_ENABLE                I2C_CR1_GCEN
274 /**
275   * @}
276   */
277 
278 /** @defgroup SMBUS_nostretch_mode SMBUS nostretch mode
279   * @{
280   */
281 #define SMBUS_NOSTRETCH_DISABLE                 (0x00000000U)
282 #define SMBUS_NOSTRETCH_ENABLE                  I2C_CR1_NOSTRETCH
283 /**
284   * @}
285   */
286 
287 /** @defgroup SMBUS_packet_error_check_mode SMBUS packet error check mode
288   * @{
289   */
290 #define SMBUS_PEC_DISABLE                       (0x00000000U)
291 #define SMBUS_PEC_ENABLE                        I2C_CR1_PECEN
292 /**
293   * @}
294   */
295 
296 /** @defgroup SMBUS_peripheral_mode SMBUS peripheral mode
297   * @{
298   */
299 #define SMBUS_PERIPHERAL_MODE_SMBUS_HOST        I2C_CR1_SMBHEN
300 #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE       (0x00000000U)
301 #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP   I2C_CR1_SMBDEN
302 /**
303   * @}
304   */
305 
306 /** @defgroup SMBUS_ReloadEndMode_definition SMBUS ReloadEndMode definition
307   * @{
308   */
309 
310 #define  SMBUS_SOFTEND_MODE                     (0x00000000U)
311 #define  SMBUS_RELOAD_MODE                      I2C_CR2_RELOAD
312 #define  SMBUS_AUTOEND_MODE                     I2C_CR2_AUTOEND
313 #define  SMBUS_SENDPEC_MODE                     I2C_CR2_PECBYTE
314 /**
315   * @}
316   */
317 
318 /** @defgroup SMBUS_StartStopMode_definition SMBUS StartStopMode definition
319   * @{
320   */
321 
322 #define  SMBUS_NO_STARTSTOP                     (0x00000000U)
323 #define  SMBUS_GENERATE_STOP                    (uint32_t)(0x80000000U | I2C_CR2_STOP)
324 #define  SMBUS_GENERATE_START_READ              (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN)
325 #define  SMBUS_GENERATE_START_WRITE             (uint32_t)(0x80000000U | I2C_CR2_START)
326 /**
327   * @}
328   */
329 
330 /** @defgroup SMBUS_XferOptions_definition SMBUS XferOptions definition
331   * @{
332   */
333 
334 /* List of XferOptions in usage of :
335  * 1- Restart condition when direction change
336  * 2- No Restart condition in other use cases
337  */
338 #define  SMBUS_FIRST_FRAME                      SMBUS_SOFTEND_MODE
339 #define  SMBUS_NEXT_FRAME                       ((uint32_t)(SMBUS_RELOAD_MODE | SMBUS_SOFTEND_MODE))
340 #define  SMBUS_FIRST_AND_LAST_FRAME_NO_PEC      SMBUS_AUTOEND_MODE
341 #define  SMBUS_LAST_FRAME_NO_PEC                SMBUS_AUTOEND_MODE
342 #define  SMBUS_FIRST_FRAME_WITH_PEC             ((uint32_t)(SMBUS_SOFTEND_MODE | SMBUS_SENDPEC_MODE))
343 #define  SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC    ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
344 #define  SMBUS_LAST_FRAME_WITH_PEC              ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
345 
346 /* List of XferOptions in usage of :
347  * 1- Restart condition in all use cases (direction change or not)
348  */
349 #define  SMBUS_OTHER_FRAME_NO_PEC               (0x000000AAU)
350 #define  SMBUS_OTHER_FRAME_WITH_PEC             (0x0000AA00U)
351 #define  SMBUS_OTHER_AND_LAST_FRAME_NO_PEC      (0x00AA0000U)
352 #define  SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC    (0xAA000000U)
353 /**
354   * @}
355   */
356 
357 /** @defgroup SMBUS_Interrupt_configuration_definition SMBUS Interrupt configuration definition
358   * @brief SMBUS Interrupt definition
359   *        Elements values convention: 0xXXXXXXXX
360   *           - XXXXXXXX  : Interrupt control mask
361   * @{
362   */
363 #define SMBUS_IT_ERRI                           I2C_CR1_ERRIE
364 #define SMBUS_IT_TCI                            I2C_CR1_TCIE
365 #define SMBUS_IT_STOPI                          I2C_CR1_STOPIE
366 #define SMBUS_IT_NACKI                          I2C_CR1_NACKIE
367 #define SMBUS_IT_ADDRI                          I2C_CR1_ADDRIE
368 #define SMBUS_IT_RXI                            I2C_CR1_RXIE
369 #define SMBUS_IT_TXI                            I2C_CR1_TXIE
370 #define SMBUS_IT_TX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_STOPI | \
371                                                  SMBUS_IT_NACKI | SMBUS_IT_TXI)
372 #define SMBUS_IT_RX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_NACKI | \
373                                                  SMBUS_IT_RXI)
374 #define SMBUS_IT_ALERT                          (SMBUS_IT_ERRI)
375 #define SMBUS_IT_ADDR                           (SMBUS_IT_ADDRI | SMBUS_IT_STOPI | SMBUS_IT_NACKI)
376 /**
377   * @}
378   */
379 
380 /** @defgroup SMBUS_Flag_definition SMBUS Flag definition
381   * @brief Flag definition
382   *        Elements values convention: 0xXXXXYYYY
383   *           - XXXXXXXX  : Flag mask
384   * @{
385   */
386 
387 #define  SMBUS_FLAG_TXE                         I2C_ISR_TXE
388 #define  SMBUS_FLAG_TXIS                        I2C_ISR_TXIS
389 #define  SMBUS_FLAG_RXNE                        I2C_ISR_RXNE
390 #define  SMBUS_FLAG_ADDR                        I2C_ISR_ADDR
391 #define  SMBUS_FLAG_AF                          I2C_ISR_NACKF
392 #define  SMBUS_FLAG_STOPF                       I2C_ISR_STOPF
393 #define  SMBUS_FLAG_TC                          I2C_ISR_TC
394 #define  SMBUS_FLAG_TCR                         I2C_ISR_TCR
395 #define  SMBUS_FLAG_BERR                        I2C_ISR_BERR
396 #define  SMBUS_FLAG_ARLO                        I2C_ISR_ARLO
397 #define  SMBUS_FLAG_OVR                         I2C_ISR_OVR
398 #define  SMBUS_FLAG_PECERR                      I2C_ISR_PECERR
399 #define  SMBUS_FLAG_TIMEOUT                     I2C_ISR_TIMEOUT
400 #define  SMBUS_FLAG_ALERT                       I2C_ISR_ALERT
401 #define  SMBUS_FLAG_BUSY                        I2C_ISR_BUSY
402 #define  SMBUS_FLAG_DIR                         I2C_ISR_DIR
403 /**
404   * @}
405   */
406 
407 /**
408   * @}
409   */
410 
411 /* Exported macros ------------------------------------------------------------*/
412 /** @defgroup SMBUS_Exported_Macros SMBUS Exported Macros
413   * @{
414   */
415 
416 /** @brief  Reset SMBUS handle state.
417   * @param  __HANDLE__ specifies the SMBUS Handle.
418   * @retval None
419   */
420 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
421 #define __HAL_SMBUS_RESET_HANDLE_STATE(__HANDLE__)           do{                                               \
422                                                                  (__HANDLE__)->State = HAL_SMBUS_STATE_RESET;  \
423                                                                  (__HANDLE__)->MspInitCallback = NULL;            \
424                                                                  (__HANDLE__)->MspDeInitCallback = NULL;          \
425                                                                } while(0)
426 #else
427 #define __HAL_SMBUS_RESET_HANDLE_STATE(__HANDLE__)         ((__HANDLE__)->State = HAL_SMBUS_STATE_RESET)
428 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
429 
430 /** @brief  Enable the specified SMBUS interrupts.
431   * @param  __HANDLE__ specifies the SMBUS Handle.
432   * @param  __INTERRUPT__ specifies the interrupt source to enable.
433   *        This parameter can be one of the following values:
434   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
435   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
436   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
437   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
438   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
439   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
440   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
441   *
442   * @retval None
443   */
444 #define __HAL_SMBUS_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__))
445 
446 /** @brief  Disable the specified SMBUS interrupts.
447   * @param  __HANDLE__ specifies the SMBUS Handle.
448   * @param  __INTERRUPT__ specifies the interrupt source to disable.
449   *        This parameter can be one of the following values:
450   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
451   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
452   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
453   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
454   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
455   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
456   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
457   *
458   * @retval None
459   */
460 #define __HAL_SMBUS_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
461 
462 /** @brief  Check whether the specified SMBUS interrupt source is enabled or not.
463   * @param  __HANDLE__ specifies the SMBUS Handle.
464   * @param  __INTERRUPT__ specifies the SMBUS interrupt source to check.
465   *          This parameter can be one of the following values:
466   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
467   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
468   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
469   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
470   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
471   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
472   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
473   *
474   * @retval The new state of __IT__ (SET or RESET).
475   */
476 #define __HAL_SMBUS_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) \
477   ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
478 
479 /** @brief  Check whether the specified SMBUS flag is set or not.
480   * @param  __HANDLE__ specifies the SMBUS Handle.
481   * @param  __FLAG__ specifies the flag to check.
482   *        This parameter can be one of the following values:
483   *            @arg @ref SMBUS_FLAG_TXE     Transmit data register empty
484   *            @arg @ref SMBUS_FLAG_TXIS    Transmit interrupt status
485   *            @arg @ref SMBUS_FLAG_RXNE    Receive data register not empty
486   *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
487   *            @arg @ref SMBUS_FLAG_AF      NACK received flag
488   *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
489   *            @arg @ref SMBUS_FLAG_TC      Transfer complete (master mode)
490   *            @arg @ref SMBUS_FLAG_TCR     Transfer complete reload
491   *            @arg @ref SMBUS_FLAG_BERR    Bus error
492   *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
493   *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
494   *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
495   *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
496   *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
497   *            @arg @ref SMBUS_FLAG_BUSY    Bus busy
498   *            @arg @ref SMBUS_FLAG_DIR     Transfer direction (slave mode)
499   *
500   * @retval The new state of __FLAG__ (SET or RESET).
501   */
502 #define SMBUS_FLAG_MASK  (0x0001FFFFU)
503 #define __HAL_SMBUS_GET_FLAG(__HANDLE__, __FLAG__) \
504   (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & SMBUS_FLAG_MASK)) == \
505     ((__FLAG__) & SMBUS_FLAG_MASK)) ? SET : RESET)
506 
507 /** @brief  Clear the SMBUS pending flags which are cleared by writing 1 in a specific bit.
508   * @param  __HANDLE__ specifies the SMBUS Handle.
509   * @param  __FLAG__ specifies the flag to clear.
510   *          This parameter can be any combination of the following values:
511   *            @arg @ref SMBUS_FLAG_TXE     Transmit data register empty
512   *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
513   *            @arg @ref SMBUS_FLAG_AF      NACK received flag
514   *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
515   *            @arg @ref SMBUS_FLAG_BERR    Bus error
516   *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
517   *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
518   *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
519   *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
520   *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
521   *
522   * @retval None
523   */
524 #define __HAL_SMBUS_CLEAR_FLAG(__HANDLE__, __FLAG__)  (((__FLAG__) == SMBUS_FLAG_TXE) ? \
525                                                        ((__HANDLE__)->Instance->ISR |= (__FLAG__)) : \
526                                                        ((__HANDLE__)->Instance->ICR = (__FLAG__)))
527 
528 /** @brief  Enable the specified SMBUS peripheral.
529   * @param  __HANDLE__ specifies the SMBUS Handle.
530   * @retval None
531   */
532 #define __HAL_SMBUS_ENABLE(__HANDLE__)                  (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
533 
534 /** @brief  Disable the specified SMBUS peripheral.
535   * @param  __HANDLE__ specifies the SMBUS Handle.
536   * @retval None
537   */
538 #define __HAL_SMBUS_DISABLE(__HANDLE__)                 (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
539 
540 /** @brief  Generate a Non-Acknowledge SMBUS peripheral in Slave mode.
541   * @param  __HANDLE__ specifies the SMBUS Handle.
542   * @retval None
543   */
544 #define __HAL_SMBUS_GENERATE_NACK(__HANDLE__)           (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
545 
546 /**
547   * @}
548   */
549 
550 
551 /* Private constants ---------------------------------------------------------*/
552 
553 /* Private macros ------------------------------------------------------------*/
554 /** @defgroup SMBUS_Private_Macro SMBUS Private Macros
555   * @{
556   */
557 
558 #define IS_SMBUS_ANALOG_FILTER(FILTER)                  (((FILTER) == SMBUS_ANALOGFILTER_ENABLE) || \
559                                                          ((FILTER) == SMBUS_ANALOGFILTER_DISABLE))
560 
561 #define IS_SMBUS_DIGITAL_FILTER(FILTER)                 ((FILTER) <= 0x0000000FU)
562 
563 #define IS_SMBUS_ADDRESSING_MODE(MODE)                  ((MODE) == SMBUS_ADDRESSINGMODE_7BIT)
564 
565 #define IS_SMBUS_DUAL_ADDRESS(ADDRESS)                  (((ADDRESS) == SMBUS_DUALADDRESS_DISABLE) || \
566                                                          ((ADDRESS) == SMBUS_DUALADDRESS_ENABLE))
567 
568 #define IS_SMBUS_OWN_ADDRESS2_MASK(MASK)                (((MASK) == SMBUS_OA2_NOMASK)    || \
569                                                          ((MASK) == SMBUS_OA2_MASK01)    || \
570                                                          ((MASK) == SMBUS_OA2_MASK02)    || \
571                                                          ((MASK) == SMBUS_OA2_MASK03)    || \
572                                                          ((MASK) == SMBUS_OA2_MASK04)    || \
573                                                          ((MASK) == SMBUS_OA2_MASK05)    || \
574                                                          ((MASK) == SMBUS_OA2_MASK06)    || \
575                                                          ((MASK) == SMBUS_OA2_MASK07))
576 
577 #define IS_SMBUS_GENERAL_CALL(CALL)                     (((CALL) == SMBUS_GENERALCALL_DISABLE) || \
578                                                          ((CALL) == SMBUS_GENERALCALL_ENABLE))
579 
580 #define IS_SMBUS_NO_STRETCH(STRETCH)                    (((STRETCH) == SMBUS_NOSTRETCH_DISABLE) || \
581                                                          ((STRETCH) == SMBUS_NOSTRETCH_ENABLE))
582 
583 #define IS_SMBUS_PEC(PEC)                               (((PEC) == SMBUS_PEC_DISABLE) || \
584                                                          ((PEC) == SMBUS_PEC_ENABLE))
585 
586 #define IS_SMBUS_PERIPHERAL_MODE(MODE)                  (((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_HOST)   || \
587                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE)  || \
588                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP))
589 
590 #define IS_SMBUS_TRANSFER_MODE(MODE)                 (((MODE) == SMBUS_RELOAD_MODE)                          || \
591                                                       ((MODE) == SMBUS_AUTOEND_MODE)                         || \
592                                                       ((MODE) == SMBUS_SOFTEND_MODE)                         || \
593                                                       ((MODE) == SMBUS_SENDPEC_MODE)                         || \
594                                                       ((MODE) == (SMBUS_RELOAD_MODE | SMBUS_SENDPEC_MODE))   || \
595                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))  || \
596                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_RELOAD_MODE))   || \
597                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE | \
598                                                                   SMBUS_RELOAD_MODE )))
599 
600 
601 #define IS_SMBUS_TRANSFER_REQUEST(REQUEST)              (((REQUEST) == SMBUS_GENERATE_STOP)              || \
602                                                          ((REQUEST) == SMBUS_GENERATE_START_READ)        || \
603                                                          ((REQUEST) == SMBUS_GENERATE_START_WRITE)       || \
604                                                          ((REQUEST) == SMBUS_NO_STARTSTOP))
605 
606 
607 #define IS_SMBUS_TRANSFER_OPTIONS_REQUEST(REQUEST)   (IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST)       || \
608                                                       ((REQUEST) == SMBUS_FIRST_FRAME)                       || \
609                                                       ((REQUEST) == SMBUS_NEXT_FRAME)                        || \
610                                                       ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_NO_PEC)       || \
611                                                       ((REQUEST) == SMBUS_LAST_FRAME_NO_PEC)                 || \
612                                                       ((REQUEST) == SMBUS_FIRST_FRAME_WITH_PEC)              || \
613                                                       ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC)     || \
614                                                       ((REQUEST) == SMBUS_LAST_FRAME_WITH_PEC))
615 
616 #define IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == SMBUS_OTHER_FRAME_NO_PEC)             || \
617                                                           ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_NO_PEC)    || \
618                                                           ((REQUEST) == SMBUS_OTHER_FRAME_WITH_PEC)           || \
619                                                           ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC))
620 
621 #define SMBUS_RESET_CR1(__HANDLE__)                    ((__HANDLE__)->Instance->CR1 &= \
622                                                         (uint32_t)~((uint32_t)(I2C_CR1_SMBHEN | I2C_CR1_SMBDEN | \
623                                                                                I2C_CR1_PECEN)))
624 #define SMBUS_RESET_CR2(__HANDLE__)                    ((__HANDLE__)->Instance->CR2 &= \
625                                                         (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | \
626                                                                                I2C_CR2_NBYTES | I2C_CR2_RELOAD | \
627                                                                                I2C_CR2_RD_WRN)))
628 
629 #define SMBUS_GENERATE_START(__ADDMODE__,__ADDRESS__)     (((__ADDMODE__) == SMBUS_ADDRESSINGMODE_7BIT) ? \
630                                                            (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | \
631                                                                        (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & \
632                                                                       (~I2C_CR2_RD_WRN)) : \
633                                                            (uint32_t)((((uint32_t)(__ADDRESS__) & \
634                                                                         (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | \
635                                                                        (I2C_CR2_START)) & (~I2C_CR2_RD_WRN)))
636 
637 #define SMBUS_GET_ADDR_MATCH(__HANDLE__)                  (((__HANDLE__)->Instance->ISR & I2C_ISR_ADDCODE) >> 17U)
638 #define SMBUS_GET_DIR(__HANDLE__)                         (((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) >> 16U)
639 #define SMBUS_GET_STOP_MODE(__HANDLE__)                   ((__HANDLE__)->Instance->CR2 & I2C_CR2_AUTOEND)
640 #define SMBUS_GET_PEC_MODE(__HANDLE__)                    ((__HANDLE__)->Instance->CR2 & I2C_CR2_PECBYTE)
641 #define SMBUS_GET_ALERT_ENABLED(__HANDLE__)                ((__HANDLE__)->Instance->CR1 & I2C_CR1_ALERTEN)
642 
643 #define SMBUS_CHECK_FLAG(__ISR__, __FLAG__)             ((((__ISR__) & ((__FLAG__) & SMBUS_FLAG_MASK)) == \
644                                                           ((__FLAG__) & SMBUS_FLAG_MASK)) ? SET : RESET)
645 #define SMBUS_CHECK_IT_SOURCE(__CR1__, __IT__)          ((((__CR1__) & (__IT__)) == (__IT__)) ? SET : RESET)
646 
647 #define IS_SMBUS_OWN_ADDRESS1(ADDRESS1)                         ((ADDRESS1) <= 0x000003FFU)
648 #define IS_SMBUS_OWN_ADDRESS2(ADDRESS2)                         ((ADDRESS2) <= (uint16_t)0x00FFU)
649 
650 /**
651   * @}
652   */
653 
654 /* Include SMBUS HAL Extended module */
655 #include "stm32h7rsxx_hal_smbus_ex.h"
656 
657 /* Exported functions --------------------------------------------------------*/
658 /** @addtogroup SMBUS_Exported_Functions SMBUS Exported Functions
659   * @{
660   */
661 
662 /** @addtogroup SMBUS_Exported_Functions_Group1 Initialization and de-initialization functions
663   * @{
664   */
665 
666 /* Initialization and de-initialization functions  ****************************/
667 HAL_StatusTypeDef HAL_SMBUS_Init(SMBUS_HandleTypeDef *hsmbus);
668 HAL_StatusTypeDef HAL_SMBUS_DeInit(SMBUS_HandleTypeDef *hsmbus);
669 void HAL_SMBUS_MspInit(SMBUS_HandleTypeDef *hsmbus);
670 void HAL_SMBUS_MspDeInit(SMBUS_HandleTypeDef *hsmbus);
671 HAL_StatusTypeDef HAL_SMBUS_ConfigAnalogFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t AnalogFilter);
672 HAL_StatusTypeDef HAL_SMBUS_ConfigDigitalFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t DigitalFilter);
673 
674 /* Callbacks Register/UnRegister functions  ***********************************/
675 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
676 HAL_StatusTypeDef HAL_SMBUS_RegisterCallback(SMBUS_HandleTypeDef *hsmbus,
677                                              HAL_SMBUS_CallbackIDTypeDef CallbackID,
678                                              pSMBUS_CallbackTypeDef pCallback);
679 HAL_StatusTypeDef HAL_SMBUS_UnRegisterCallback(SMBUS_HandleTypeDef *hsmbus,
680                                                HAL_SMBUS_CallbackIDTypeDef CallbackID);
681 
682 HAL_StatusTypeDef HAL_SMBUS_RegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus,
683                                                  pSMBUS_AddrCallbackTypeDef pCallback);
684 HAL_StatusTypeDef HAL_SMBUS_UnRegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus);
685 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
686 /**
687   * @}
688   */
689 
690 /** @addtogroup SMBUS_Exported_Functions_Group2 Input and Output operation functions
691   * @{
692   */
693 
694 /* IO operation functions  *****************************************************/
695 /** @addtogroup Blocking_mode_Polling Blocking mode Polling
696   * @{
697   */
698 /******* Blocking mode: Polling */
699 HAL_StatusTypeDef HAL_SMBUS_IsDeviceReady(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint32_t Trials,
700                                           uint32_t Timeout);
701 /**
702   * @}
703   */
704 
705 /** @addtogroup Non-Blocking_mode_Interrupt Non-Blocking mode Interrupt
706   * @{
707   */
708 /******* Non-Blocking mode: Interrupt */
709 HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress,
710                                                uint8_t *pData, uint16_t Size, uint32_t XferOptions);
711 HAL_StatusTypeDef HAL_SMBUS_Master_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress,
712                                               uint8_t *pData, uint16_t Size, uint32_t XferOptions);
713 HAL_StatusTypeDef HAL_SMBUS_Master_Abort_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress);
714 HAL_StatusTypeDef HAL_SMBUS_Slave_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size,
715                                               uint32_t XferOptions);
716 HAL_StatusTypeDef HAL_SMBUS_Slave_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size,
717                                              uint32_t XferOptions);
718 
719 HAL_StatusTypeDef HAL_SMBUS_EnableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
720 HAL_StatusTypeDef HAL_SMBUS_DisableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
721 HAL_StatusTypeDef HAL_SMBUS_EnableListen_IT(SMBUS_HandleTypeDef *hsmbus);
722 HAL_StatusTypeDef HAL_SMBUS_DisableListen_IT(SMBUS_HandleTypeDef *hsmbus);
723 /**
724   * @}
725   */
726 
727 /** @addtogroup SMBUS_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
728   * @{
729   */
730 /******* SMBUS IRQHandler and Callbacks used in non blocking modes (Interrupt) */
731 void HAL_SMBUS_EV_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
732 void HAL_SMBUS_ER_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
733 void HAL_SMBUS_MasterTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
734 void HAL_SMBUS_MasterRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
735 void HAL_SMBUS_SlaveTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
736 void HAL_SMBUS_SlaveRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
737 void HAL_SMBUS_AddrCallback(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection, uint16_t AddrMatchCode);
738 void HAL_SMBUS_ListenCpltCallback(SMBUS_HandleTypeDef *hsmbus);
739 void HAL_SMBUS_ErrorCallback(SMBUS_HandleTypeDef *hsmbus);
740 
741 /**
742   * @}
743   */
744 
745 /** @addtogroup SMBUS_Exported_Functions_Group3 Peripheral State and Errors functions
746   *  @{
747   */
748 
749 /* Peripheral State and Errors functions  **************************************************/
750 uint32_t HAL_SMBUS_GetState(const SMBUS_HandleTypeDef *hsmbus);
751 uint32_t HAL_SMBUS_GetError(const SMBUS_HandleTypeDef *hsmbus);
752 
753 /**
754   * @}
755   */
756 
757 /**
758   * @}
759   */
760 
761 /* Private Functions ---------------------------------------------------------*/
762 /** @defgroup SMBUS_Private_Functions SMBUS Private Functions
763   * @{
764   */
765 /* Private functions are defined in stm32h7rsxx_hal_smbus.c file */
766 /**
767   * @}
768   */
769 
770 /**
771   * @}
772   */
773 
774 /**
775   * @}
776   */
777 
778 /**
779   * @}
780   */
781 
782 #ifdef __cplusplus
783 }
784 #endif
785 
786 
787 #endif /* STM32H7RSxx_HAL_SMBUS_H */
788