1 /**
2   ******************************************************************************
3   * @file    stm32wbxx_hal_smbus.h
4   * @author  MCD Application Team
5   * @brief   Header file of SMBUS HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 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 STM32WBxx_HAL_SMBUS_H
21 #define STM32WBxx_HAL_SMBUS_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32wbxx_hal_def.h"
29 
30 /** @addtogroup STM32WBxx_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 or 10-bit address. */
57 
58   uint32_t AddressingMode;         /*!< Specifies if 7-bit or 10-bit addressing mode for master is 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 #define SMBUS_ADDRESSINGMODE_10BIT              (0x00000002U)
239 /**
240   * @}
241   */
242 
243 /** @defgroup SMBUS_dual_addressing_mode SMBUS dual addressing mode
244   * @{
245   */
246 
247 #define SMBUS_DUALADDRESS_DISABLE               (0x00000000U)
248 #define SMBUS_DUALADDRESS_ENABLE                I2C_OAR2_OA2EN
249 /**
250   * @}
251   */
252 
253 /** @defgroup SMBUS_own_address2_masks SMBUS ownaddress2 masks
254   * @{
255   */
256 
257 #define SMBUS_OA2_NOMASK                        ((uint8_t)0x00U)
258 #define SMBUS_OA2_MASK01                        ((uint8_t)0x01U)
259 #define SMBUS_OA2_MASK02                        ((uint8_t)0x02U)
260 #define SMBUS_OA2_MASK03                        ((uint8_t)0x03U)
261 #define SMBUS_OA2_MASK04                        ((uint8_t)0x04U)
262 #define SMBUS_OA2_MASK05                        ((uint8_t)0x05U)
263 #define SMBUS_OA2_MASK06                        ((uint8_t)0x06U)
264 #define SMBUS_OA2_MASK07                        ((uint8_t)0x07U)
265 /**
266   * @}
267   */
268 
269 
270 /** @defgroup SMBUS_general_call_addressing_mode SMBUS general call addressing mode
271   * @{
272   */
273 #define SMBUS_GENERALCALL_DISABLE               (0x00000000U)
274 #define SMBUS_GENERALCALL_ENABLE                I2C_CR1_GCEN
275 /**
276   * @}
277   */
278 
279 /** @defgroup SMBUS_nostretch_mode SMBUS nostretch mode
280   * @{
281   */
282 #define SMBUS_NOSTRETCH_DISABLE                 (0x00000000U)
283 #define SMBUS_NOSTRETCH_ENABLE                  I2C_CR1_NOSTRETCH
284 /**
285   * @}
286   */
287 
288 /** @defgroup SMBUS_packet_error_check_mode SMBUS packet error check mode
289   * @{
290   */
291 #define SMBUS_PEC_DISABLE                       (0x00000000U)
292 #define SMBUS_PEC_ENABLE                        I2C_CR1_PECEN
293 /**
294   * @}
295   */
296 
297 /** @defgroup SMBUS_peripheral_mode SMBUS peripheral mode
298   * @{
299   */
300 #define SMBUS_PERIPHERAL_MODE_SMBUS_HOST        I2C_CR1_SMBHEN
301 #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE       (0x00000000U)
302 #define SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP   I2C_CR1_SMBDEN
303 /**
304   * @}
305   */
306 
307 /** @defgroup SMBUS_ReloadEndMode_definition SMBUS ReloadEndMode definition
308   * @{
309   */
310 
311 #define  SMBUS_SOFTEND_MODE                     (0x00000000U)
312 #define  SMBUS_RELOAD_MODE                      I2C_CR2_RELOAD
313 #define  SMBUS_AUTOEND_MODE                     I2C_CR2_AUTOEND
314 #define  SMBUS_SENDPEC_MODE                     I2C_CR2_PECBYTE
315 /**
316   * @}
317   */
318 
319 /** @defgroup SMBUS_StartStopMode_definition SMBUS StartStopMode definition
320   * @{
321   */
322 
323 #define  SMBUS_NO_STARTSTOP                     (0x00000000U)
324 #define  SMBUS_GENERATE_STOP                    (uint32_t)(0x80000000U | I2C_CR2_STOP)
325 #define  SMBUS_GENERATE_START_READ              (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN)
326 #define  SMBUS_GENERATE_START_WRITE             (uint32_t)(0x80000000U | I2C_CR2_START)
327 /**
328   * @}
329   */
330 
331 /** @defgroup SMBUS_XferOptions_definition SMBUS XferOptions definition
332   * @{
333   */
334 
335 /* List of XferOptions in usage of :
336  * 1- Restart condition when direction change
337  * 2- No Restart condition in other use cases
338  */
339 #define  SMBUS_FIRST_FRAME                      SMBUS_SOFTEND_MODE
340 #define  SMBUS_NEXT_FRAME                       ((uint32_t)(SMBUS_RELOAD_MODE | SMBUS_SOFTEND_MODE))
341 #define  SMBUS_FIRST_AND_LAST_FRAME_NO_PEC      SMBUS_AUTOEND_MODE
342 #define  SMBUS_LAST_FRAME_NO_PEC                SMBUS_AUTOEND_MODE
343 #define  SMBUS_FIRST_FRAME_WITH_PEC             ((uint32_t)(SMBUS_SOFTEND_MODE | SMBUS_SENDPEC_MODE))
344 #define  SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC    ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
345 #define  SMBUS_LAST_FRAME_WITH_PEC              ((uint32_t)(SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))
346 
347 /* List of XferOptions in usage of :
348  * 1- Restart condition in all use cases (direction change or not)
349  */
350 #define  SMBUS_OTHER_FRAME_NO_PEC               (0x000000AAU)
351 #define  SMBUS_OTHER_FRAME_WITH_PEC             (0x0000AA00U)
352 #define  SMBUS_OTHER_AND_LAST_FRAME_NO_PEC      (0x00AA0000U)
353 #define  SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC    (0xAA000000U)
354 /**
355   * @}
356   */
357 
358 /** @defgroup SMBUS_Interrupt_configuration_definition SMBUS Interrupt configuration definition
359   * @brief SMBUS Interrupt definition
360   *        Elements values convention: 0xXXXXXXXX
361   *           - XXXXXXXX  : Interrupt control mask
362   * @{
363   */
364 #define SMBUS_IT_ERRI                           I2C_CR1_ERRIE
365 #define SMBUS_IT_TCI                            I2C_CR1_TCIE
366 #define SMBUS_IT_STOPI                          I2C_CR1_STOPIE
367 #define SMBUS_IT_NACKI                          I2C_CR1_NACKIE
368 #define SMBUS_IT_ADDRI                          I2C_CR1_ADDRIE
369 #define SMBUS_IT_RXI                            I2C_CR1_RXIE
370 #define SMBUS_IT_TXI                            I2C_CR1_TXIE
371 #define SMBUS_IT_TX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_STOPI | \
372                                                  SMBUS_IT_NACKI | SMBUS_IT_TXI)
373 #define SMBUS_IT_RX                             (SMBUS_IT_ERRI | SMBUS_IT_TCI | SMBUS_IT_NACKI | \
374                                                  SMBUS_IT_RXI)
375 #define SMBUS_IT_ALERT                          (SMBUS_IT_ERRI)
376 #define SMBUS_IT_ADDR                           (SMBUS_IT_ADDRI | SMBUS_IT_STOPI | SMBUS_IT_NACKI)
377 /**
378   * @}
379   */
380 
381 /** @defgroup SMBUS_Flag_definition SMBUS Flag definition
382   * @brief Flag definition
383   *        Elements values convention: 0xXXXXYYYY
384   *           - XXXXXXXX  : Flag mask
385   * @{
386   */
387 
388 #define  SMBUS_FLAG_TXE                         I2C_ISR_TXE
389 #define  SMBUS_FLAG_TXIS                        I2C_ISR_TXIS
390 #define  SMBUS_FLAG_RXNE                        I2C_ISR_RXNE
391 #define  SMBUS_FLAG_ADDR                        I2C_ISR_ADDR
392 #define  SMBUS_FLAG_AF                          I2C_ISR_NACKF
393 #define  SMBUS_FLAG_STOPF                       I2C_ISR_STOPF
394 #define  SMBUS_FLAG_TC                          I2C_ISR_TC
395 #define  SMBUS_FLAG_TCR                         I2C_ISR_TCR
396 #define  SMBUS_FLAG_BERR                        I2C_ISR_BERR
397 #define  SMBUS_FLAG_ARLO                        I2C_ISR_ARLO
398 #define  SMBUS_FLAG_OVR                         I2C_ISR_OVR
399 #define  SMBUS_FLAG_PECERR                      I2C_ISR_PECERR
400 #define  SMBUS_FLAG_TIMEOUT                     I2C_ISR_TIMEOUT
401 #define  SMBUS_FLAG_ALERT                       I2C_ISR_ALERT
402 #define  SMBUS_FLAG_BUSY                        I2C_ISR_BUSY
403 #define  SMBUS_FLAG_DIR                         I2C_ISR_DIR
404 /**
405   * @}
406   */
407 
408 /**
409   * @}
410   */
411 
412 /* Exported macros ------------------------------------------------------------*/
413 /** @defgroup SMBUS_Exported_Macros SMBUS Exported Macros
414   * @{
415   */
416 
417 /** @brief  Reset SMBUS handle state.
418   * @param  __HANDLE__ specifies the SMBUS Handle.
419   * @retval None
420   */
421 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
422 #define __HAL_SMBUS_RESET_HANDLE_STATE(__HANDLE__)           do{                                               \
423                                                                  (__HANDLE__)->State = HAL_SMBUS_STATE_RESET;  \
424                                                                  (__HANDLE__)->MspInitCallback = NULL;            \
425                                                                  (__HANDLE__)->MspDeInitCallback = NULL;          \
426                                                                } while(0)
427 #else
428 #define __HAL_SMBUS_RESET_HANDLE_STATE(__HANDLE__)         ((__HANDLE__)->State = HAL_SMBUS_STATE_RESET)
429 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
430 
431 /** @brief  Enable the specified SMBUS interrupts.
432   * @param  __HANDLE__ specifies the SMBUS Handle.
433   * @param  __INTERRUPT__ specifies the interrupt source to enable.
434   *        This parameter can be one of the following values:
435   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
436   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
437   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
438   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
439   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
440   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
441   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
442   *
443   * @retval None
444   */
445 #define __HAL_SMBUS_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__))
446 
447 /** @brief  Disable the specified SMBUS interrupts.
448   * @param  __HANDLE__ specifies the SMBUS Handle.
449   * @param  __INTERRUPT__ specifies the interrupt source to disable.
450   *        This parameter can be one of the following values:
451   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
452   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
453   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
454   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
455   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
456   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
457   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
458   *
459   * @retval None
460   */
461 #define __HAL_SMBUS_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
462 
463 /** @brief  Check whether the specified SMBUS interrupt source is enabled or not.
464   * @param  __HANDLE__ specifies the SMBUS Handle.
465   * @param  __INTERRUPT__ specifies the SMBUS interrupt source to check.
466   *          This parameter can be one of the following values:
467   *            @arg @ref SMBUS_IT_ERRI  Errors interrupt enable
468   *            @arg @ref SMBUS_IT_TCI   Transfer complete interrupt enable
469   *            @arg @ref SMBUS_IT_STOPI STOP detection interrupt enable
470   *            @arg @ref SMBUS_IT_NACKI NACK received interrupt enable
471   *            @arg @ref SMBUS_IT_ADDRI Address match interrupt enable
472   *            @arg @ref SMBUS_IT_RXI   RX interrupt enable
473   *            @arg @ref SMBUS_IT_TXI   TX interrupt enable
474   *
475   * @retval The new state of __IT__ (SET or RESET).
476   */
477 #define __HAL_SMBUS_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) \
478   ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
479 
480 /** @brief  Check whether the specified SMBUS flag is set or not.
481   * @param  __HANDLE__ specifies the SMBUS Handle.
482   * @param  __FLAG__ specifies the flag to check.
483   *        This parameter can be one of the following values:
484   *            @arg @ref SMBUS_FLAG_TXE     Transmit data register empty
485   *            @arg @ref SMBUS_FLAG_TXIS    Transmit interrupt status
486   *            @arg @ref SMBUS_FLAG_RXNE    Receive data register not empty
487   *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
488   *            @arg @ref SMBUS_FLAG_AF      NACK received flag
489   *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
490   *            @arg @ref SMBUS_FLAG_TC      Transfer complete (master mode)
491   *            @arg @ref SMBUS_FLAG_TCR     Transfer complete reload
492   *            @arg @ref SMBUS_FLAG_BERR    Bus error
493   *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
494   *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
495   *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
496   *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
497   *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
498   *            @arg @ref SMBUS_FLAG_BUSY    Bus busy
499   *            @arg @ref SMBUS_FLAG_DIR     Transfer direction (slave mode)
500   *
501   * @retval The new state of __FLAG__ (SET or RESET).
502   */
503 #define SMBUS_FLAG_MASK  (0x0001FFFFU)
504 #define __HAL_SMBUS_GET_FLAG(__HANDLE__, __FLAG__) \
505   (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & SMBUS_FLAG_MASK)) == \
506     ((__FLAG__) & SMBUS_FLAG_MASK)) ? SET : RESET)
507 
508 /** @brief  Clear the SMBUS pending flags which are cleared by writing 1 in a specific bit.
509   * @param  __HANDLE__ specifies the SMBUS Handle.
510   * @param  __FLAG__ specifies the flag to clear.
511   *          This parameter can be any combination of the following values:
512   *            @arg @ref SMBUS_FLAG_TXE     Transmit data register empty
513   *            @arg @ref SMBUS_FLAG_ADDR    Address matched (slave mode)
514   *            @arg @ref SMBUS_FLAG_AF      NACK received flag
515   *            @arg @ref SMBUS_FLAG_STOPF   STOP detection flag
516   *            @arg @ref SMBUS_FLAG_BERR    Bus error
517   *            @arg @ref SMBUS_FLAG_ARLO    Arbitration lost
518   *            @arg @ref SMBUS_FLAG_OVR     Overrun/Underrun
519   *            @arg @ref SMBUS_FLAG_PECERR  PEC error in reception
520   *            @arg @ref SMBUS_FLAG_TIMEOUT Timeout or Tlow detection flag
521   *            @arg @ref SMBUS_FLAG_ALERT   SMBus alert
522   *
523   * @retval None
524   */
525 #define __HAL_SMBUS_CLEAR_FLAG(__HANDLE__, __FLAG__)  (((__FLAG__) == SMBUS_FLAG_TXE) ? \
526                                                        ((__HANDLE__)->Instance->ISR |= (__FLAG__)) : \
527                                                        ((__HANDLE__)->Instance->ICR = (__FLAG__)))
528 
529 /** @brief  Enable the specified SMBUS peripheral.
530   * @param  __HANDLE__ specifies the SMBUS Handle.
531   * @retval None
532   */
533 #define __HAL_SMBUS_ENABLE(__HANDLE__)                  (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
534 
535 /** @brief  Disable the specified SMBUS peripheral.
536   * @param  __HANDLE__ specifies the SMBUS Handle.
537   * @retval None
538   */
539 #define __HAL_SMBUS_DISABLE(__HANDLE__)                 (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
540 
541 /** @brief  Generate a Non-Acknowledge SMBUS peripheral in Slave mode.
542   * @param  __HANDLE__ specifies the SMBUS Handle.
543   * @retval None
544   */
545 #define __HAL_SMBUS_GENERATE_NACK(__HANDLE__)           (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
546 
547 /**
548   * @}
549   */
550 
551 
552 /* Private constants ---------------------------------------------------------*/
553 
554 /* Private macros ------------------------------------------------------------*/
555 /** @defgroup SMBUS_Private_Macro SMBUS Private Macros
556   * @{
557   */
558 
559 #define IS_SMBUS_ANALOG_FILTER(FILTER)                  (((FILTER) == SMBUS_ANALOGFILTER_ENABLE) || \
560                                                          ((FILTER) == SMBUS_ANALOGFILTER_DISABLE))
561 
562 #define IS_SMBUS_DIGITAL_FILTER(FILTER)                 ((FILTER) <= 0x0000000FU)
563 
564 #define IS_SMBUS_ADDRESSING_MODE(MODE)                  (((MODE) == SMBUS_ADDRESSINGMODE_7BIT)  || \
565                                                          ((MODE) == SMBUS_ADDRESSINGMODE_10BIT))
566 
567 #define IS_SMBUS_DUAL_ADDRESS(ADDRESS)                  (((ADDRESS) == SMBUS_DUALADDRESS_DISABLE) || \
568                                                          ((ADDRESS) == SMBUS_DUALADDRESS_ENABLE))
569 
570 #define IS_SMBUS_OWN_ADDRESS2_MASK(MASK)                (((MASK) == SMBUS_OA2_NOMASK)    || \
571                                                          ((MASK) == SMBUS_OA2_MASK01)    || \
572                                                          ((MASK) == SMBUS_OA2_MASK02)    || \
573                                                          ((MASK) == SMBUS_OA2_MASK03)    || \
574                                                          ((MASK) == SMBUS_OA2_MASK04)    || \
575                                                          ((MASK) == SMBUS_OA2_MASK05)    || \
576                                                          ((MASK) == SMBUS_OA2_MASK06)    || \
577                                                          ((MASK) == SMBUS_OA2_MASK07))
578 
579 #define IS_SMBUS_GENERAL_CALL(CALL)                     (((CALL) == SMBUS_GENERALCALL_DISABLE) || \
580                                                          ((CALL) == SMBUS_GENERALCALL_ENABLE))
581 
582 #define IS_SMBUS_NO_STRETCH(STRETCH)                    (((STRETCH) == SMBUS_NOSTRETCH_DISABLE) || \
583                                                          ((STRETCH) == SMBUS_NOSTRETCH_ENABLE))
584 
585 #define IS_SMBUS_PEC(PEC)                               (((PEC) == SMBUS_PEC_DISABLE) || \
586                                                          ((PEC) == SMBUS_PEC_ENABLE))
587 
588 #define IS_SMBUS_PERIPHERAL_MODE(MODE)                  (((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_HOST)   || \
589                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE)  || \
590                                                          ((MODE) == SMBUS_PERIPHERAL_MODE_SMBUS_SLAVE_ARP))
591 
592 #define IS_SMBUS_TRANSFER_MODE(MODE)                 (((MODE) == SMBUS_RELOAD_MODE)                          || \
593                                                       ((MODE) == SMBUS_AUTOEND_MODE)                         || \
594                                                       ((MODE) == SMBUS_SOFTEND_MODE)                         || \
595                                                       ((MODE) == SMBUS_SENDPEC_MODE)                         || \
596                                                       ((MODE) == (SMBUS_RELOAD_MODE | SMBUS_SENDPEC_MODE))   || \
597                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE))  || \
598                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_RELOAD_MODE))   || \
599                                                       ((MODE) == (SMBUS_AUTOEND_MODE | SMBUS_SENDPEC_MODE | \
600                                                                   SMBUS_RELOAD_MODE )))
601 
602 
603 #define IS_SMBUS_TRANSFER_REQUEST(REQUEST)              (((REQUEST) == SMBUS_GENERATE_STOP)              || \
604                                                          ((REQUEST) == SMBUS_GENERATE_START_READ)        || \
605                                                          ((REQUEST) == SMBUS_GENERATE_START_WRITE)       || \
606                                                          ((REQUEST) == SMBUS_NO_STARTSTOP))
607 
608 
609 #define IS_SMBUS_TRANSFER_OPTIONS_REQUEST(REQUEST)   (IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST)       || \
610                                                       ((REQUEST) == SMBUS_FIRST_FRAME)                       || \
611                                                       ((REQUEST) == SMBUS_NEXT_FRAME)                        || \
612                                                       ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_NO_PEC)       || \
613                                                       ((REQUEST) == SMBUS_LAST_FRAME_NO_PEC)                 || \
614                                                       ((REQUEST) == SMBUS_FIRST_FRAME_WITH_PEC)              || \
615                                                       ((REQUEST) == SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC)     || \
616                                                       ((REQUEST) == SMBUS_LAST_FRAME_WITH_PEC))
617 
618 #define IS_SMBUS_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == SMBUS_OTHER_FRAME_NO_PEC)             || \
619                                                           ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_NO_PEC)    || \
620                                                           ((REQUEST) == SMBUS_OTHER_FRAME_WITH_PEC)           || \
621                                                           ((REQUEST) == SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC))
622 
623 #define SMBUS_RESET_CR1(__HANDLE__)                    ((__HANDLE__)->Instance->CR1 &= \
624                                                         (uint32_t)~((uint32_t)(I2C_CR1_SMBHEN | I2C_CR1_SMBDEN | \
625                                                                                I2C_CR1_PECEN)))
626 #define SMBUS_RESET_CR2(__HANDLE__)                    ((__HANDLE__)->Instance->CR2 &= \
627                                                         (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | \
628                                                                                I2C_CR2_NBYTES | I2C_CR2_RELOAD | \
629                                                                                I2C_CR2_RD_WRN)))
630 
631 #define SMBUS_GENERATE_START(__ADDMODE__,__ADDRESS__)     (((__ADDMODE__) == SMBUS_ADDRESSINGMODE_7BIT) ? \
632                                                            (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | \
633                                                                        (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & \
634                                                                       (~I2C_CR2_RD_WRN)) : \
635                                                            (uint32_t)((((uint32_t)(__ADDRESS__) & \
636                                                                         (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | \
637                                                                        (I2C_CR2_START)) & (~I2C_CR2_RD_WRN)))
638 
639 #define SMBUS_GET_ADDR_MATCH(__HANDLE__)                  (((__HANDLE__)->Instance->ISR & I2C_ISR_ADDCODE) >> 17U)
640 #define SMBUS_GET_DIR(__HANDLE__)                         (((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) >> 16U)
641 #define SMBUS_GET_STOP_MODE(__HANDLE__)                   ((__HANDLE__)->Instance->CR2 & I2C_CR2_AUTOEND)
642 #define SMBUS_GET_PEC_MODE(__HANDLE__)                    ((__HANDLE__)->Instance->CR2 & I2C_CR2_PECBYTE)
643 #define SMBUS_GET_ALERT_ENABLED(__HANDLE__)                ((__HANDLE__)->Instance->CR1 & I2C_CR1_ALERTEN)
644 
645 #define SMBUS_CHECK_FLAG(__ISR__, __FLAG__)             ((((__ISR__) & ((__FLAG__) & SMBUS_FLAG_MASK)) == \
646                                                           ((__FLAG__) & SMBUS_FLAG_MASK)) ? SET : RESET)
647 #define SMBUS_CHECK_IT_SOURCE(__CR1__, __IT__)          ((((__CR1__) & (__IT__)) == (__IT__)) ? SET : RESET)
648 
649 #define IS_SMBUS_OWN_ADDRESS1(ADDRESS1)                         ((ADDRESS1) <= 0x000003FFU)
650 #define IS_SMBUS_OWN_ADDRESS2(ADDRESS2)                         ((ADDRESS2) <= (uint16_t)0x00FFU)
651 
652 /**
653   * @}
654   */
655 
656 /* Include SMBUS HAL Extended module */
657 #include "stm32wbxx_hal_smbus_ex.h"
658 
659 /* Exported functions --------------------------------------------------------*/
660 /** @addtogroup SMBUS_Exported_Functions SMBUS Exported Functions
661   * @{
662   */
663 
664 /** @addtogroup SMBUS_Exported_Functions_Group1 Initialization and de-initialization functions
665   * @{
666   */
667 
668 /* Initialization and de-initialization functions  ****************************/
669 HAL_StatusTypeDef HAL_SMBUS_Init(SMBUS_HandleTypeDef *hsmbus);
670 HAL_StatusTypeDef HAL_SMBUS_DeInit(SMBUS_HandleTypeDef *hsmbus);
671 void HAL_SMBUS_MspInit(SMBUS_HandleTypeDef *hsmbus);
672 void HAL_SMBUS_MspDeInit(SMBUS_HandleTypeDef *hsmbus);
673 HAL_StatusTypeDef HAL_SMBUS_ConfigAnalogFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t AnalogFilter);
674 HAL_StatusTypeDef HAL_SMBUS_ConfigDigitalFilter(SMBUS_HandleTypeDef *hsmbus, uint32_t DigitalFilter);
675 
676 /* Callbacks Register/UnRegister functions  ***********************************/
677 #if (USE_HAL_SMBUS_REGISTER_CALLBACKS == 1)
678 HAL_StatusTypeDef HAL_SMBUS_RegisterCallback(SMBUS_HandleTypeDef *hsmbus,
679                                              HAL_SMBUS_CallbackIDTypeDef CallbackID,
680                                              pSMBUS_CallbackTypeDef pCallback);
681 HAL_StatusTypeDef HAL_SMBUS_UnRegisterCallback(SMBUS_HandleTypeDef *hsmbus,
682                                                HAL_SMBUS_CallbackIDTypeDef CallbackID);
683 
684 HAL_StatusTypeDef HAL_SMBUS_RegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus,
685                                                  pSMBUS_AddrCallbackTypeDef pCallback);
686 HAL_StatusTypeDef HAL_SMBUS_UnRegisterAddrCallback(SMBUS_HandleTypeDef *hsmbus);
687 #endif /* USE_HAL_SMBUS_REGISTER_CALLBACKS */
688 /**
689   * @}
690   */
691 
692 /** @addtogroup SMBUS_Exported_Functions_Group2 Input and Output operation functions
693   * @{
694   */
695 
696 /* IO operation functions  *****************************************************/
697 /** @addtogroup Blocking_mode_Polling Blocking mode Polling
698   * @{
699   */
700 /******* Blocking mode: Polling */
701 HAL_StatusTypeDef HAL_SMBUS_IsDeviceReady(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint32_t Trials,
702                                           uint32_t Timeout);
703 /**
704   * @}
705   */
706 
707 /** @addtogroup Non-Blocking_mode_Interrupt Non-Blocking mode Interrupt
708   * @{
709   */
710 /******* Non-Blocking mode: Interrupt */
711 HAL_StatusTypeDef HAL_SMBUS_Master_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress,
712                                                uint8_t *pData, uint16_t Size, uint32_t XferOptions);
713 HAL_StatusTypeDef HAL_SMBUS_Master_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress,
714                                               uint8_t *pData, uint16_t Size, uint32_t XferOptions);
715 HAL_StatusTypeDef HAL_SMBUS_Master_Abort_IT(SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress);
716 HAL_StatusTypeDef HAL_SMBUS_Slave_Transmit_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size,
717                                               uint32_t XferOptions);
718 HAL_StatusTypeDef HAL_SMBUS_Slave_Receive_IT(SMBUS_HandleTypeDef *hsmbus, uint8_t *pData, uint16_t Size,
719                                              uint32_t XferOptions);
720 
721 HAL_StatusTypeDef HAL_SMBUS_EnableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
722 HAL_StatusTypeDef HAL_SMBUS_DisableAlert_IT(SMBUS_HandleTypeDef *hsmbus);
723 HAL_StatusTypeDef HAL_SMBUS_EnableListen_IT(SMBUS_HandleTypeDef *hsmbus);
724 HAL_StatusTypeDef HAL_SMBUS_DisableListen_IT(SMBUS_HandleTypeDef *hsmbus);
725 /**
726   * @}
727   */
728 
729 /** @addtogroup SMBUS_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
730   * @{
731   */
732 /******* SMBUS IRQHandler and Callbacks used in non blocking modes (Interrupt) */
733 void HAL_SMBUS_EV_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
734 void HAL_SMBUS_ER_IRQHandler(SMBUS_HandleTypeDef *hsmbus);
735 void HAL_SMBUS_MasterTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
736 void HAL_SMBUS_MasterRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
737 void HAL_SMBUS_SlaveTxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
738 void HAL_SMBUS_SlaveRxCpltCallback(SMBUS_HandleTypeDef *hsmbus);
739 void HAL_SMBUS_AddrCallback(SMBUS_HandleTypeDef *hsmbus, uint8_t TransferDirection, uint16_t AddrMatchCode);
740 void HAL_SMBUS_ListenCpltCallback(SMBUS_HandleTypeDef *hsmbus);
741 void HAL_SMBUS_ErrorCallback(SMBUS_HandleTypeDef *hsmbus);
742 
743 /**
744   * @}
745   */
746 
747 /** @addtogroup SMBUS_Exported_Functions_Group3 Peripheral State and Errors functions
748   *  @{
749   */
750 
751 /* Peripheral State and Errors functions  **************************************************/
752 uint32_t HAL_SMBUS_GetState(const SMBUS_HandleTypeDef *hsmbus);
753 uint32_t HAL_SMBUS_GetError(const SMBUS_HandleTypeDef *hsmbus);
754 
755 /**
756   * @}
757   */
758 
759 /**
760   * @}
761   */
762 
763 /* Private Functions ---------------------------------------------------------*/
764 /** @defgroup SMBUS_Private_Functions SMBUS Private Functions
765   * @{
766   */
767 /* Private functions are defined in stm32wbxx_hal_smbus.c file */
768 /**
769   * @}
770   */
771 
772 /**
773   * @}
774   */
775 
776 /**
777   * @}
778   */
779 
780 /**
781   * @}
782   */
783 
784 #ifdef __cplusplus
785 }
786 #endif
787 
788 
789 #endif /* STM32WBxx_HAL_SMBUS_H */
790