1 /**
2   ******************************************************************************
3   * @file    stm32f3xx_hal_can_legacy.h
4   * @author  MCD Application Team
5   * @brief   Header file of CAN HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
10   * All rights reserved.</center></h2>
11   *
12   * This software component is licensed by ST under BSD 3-Clause license,
13   * the "License"; You may not use this file except in compliance with the
14   * License. You may obtain a copy of the License at:
15   *                        opensource.org/licenses/BSD-3-Clause
16   *
17   ******************************************************************************
18   */
19 
20 /* Define to prevent recursive inclusion -------------------------------------*/
21 #ifndef __STM32F3xx_HAL_CAN_LEGACY_H
22 #define __STM32F3xx_HAL_CAN_LEGACY_H
23 
24 #ifdef __cplusplus
25  extern "C" {
26 #endif
27 
28 #if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
29     defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
30     defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
31     defined(STM32F302x8)                                                 || \
32     defined(STM32F373xC) || defined(STM32F378xx)
33 
34 /* Includes ------------------------------------------------------------------*/
35 #include "stm32f3xx_hal_def.h"
36 
37 /** @addtogroup STM32F3xx_HAL_Driver
38   * @{
39   */
40 
41 /** @addtogroup CAN
42   * @{
43   */
44 
45 /* Exported types ------------------------------------------------------------*/
46 /** @defgroup CAN_Exported_Types CAN Exported Types
47   * @{
48   */
49 /**
50   * @brief  HAL State structures definition
51   */
52 typedef enum
53 {
54   HAL_CAN_STATE_RESET             = 0x00U,  /*!< CAN not yet initialized or disabled */
55   HAL_CAN_STATE_READY             = 0x01U,  /*!< CAN initialized and ready for use   */
56   HAL_CAN_STATE_BUSY              = 0x02U,  /*!< CAN process is ongoing              */
57   HAL_CAN_STATE_BUSY_TX           = 0x12U,  /*!< CAN process is ongoing              */
58   HAL_CAN_STATE_BUSY_RX0          = 0x22U,  /*!< CAN process is ongoing              */
59   HAL_CAN_STATE_BUSY_RX1          = 0x32U,  /*!< CAN process is ongoing              */
60   HAL_CAN_STATE_BUSY_TX_RX0       = 0x42U,  /*!< CAN process is ongoing              */
61   HAL_CAN_STATE_BUSY_TX_RX1       = 0x52U,  /*!< CAN process is ongoing              */
62   HAL_CAN_STATE_BUSY_RX0_RX1      = 0x62U,  /*!< CAN process is ongoing              */
63   HAL_CAN_STATE_BUSY_TX_RX0_RX1   = 0x72U,  /*!< CAN process is ongoing              */
64   HAL_CAN_STATE_TIMEOUT           = 0x03U,  /*!< CAN in Timeout state                */
65   HAL_CAN_STATE_ERROR             = 0x04U   /*!< CAN error state                     */
66 
67 }HAL_CAN_StateTypeDef;
68 
69 /**
70   * @brief  CAN init structure definition
71   */
72 typedef struct
73 {
74   uint32_t Prescaler;  /*!< Specifies the length of a time quantum.
75                             This parameter must be a number between Min_Data = 1 and Max_Data = 1024. */
76 
77   uint32_t Mode;       /*!< Specifies the CAN operating mode.
78                             This parameter can be a value of @ref CAN_operating_mode */
79 
80   uint32_t SJW;        /*!< Specifies the maximum number of time quanta
81                             the CAN hardware is allowed to lengthen or
82                             shorten a bit to perform resynchronization.
83                             This parameter can be a value of @ref CAN_synchronisation_jump_width */
84 
85   uint32_t BS1;        /*!< Specifies the number of time quanta in Bit Segment 1.
86                             This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_1 */
87 
88   uint32_t BS2;        /*!< Specifies the number of time quanta in Bit Segment 2.
89                             This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */
90 
91   uint32_t TTCM;       /*!< Enable or disable the time triggered communication mode.
92                             This parameter can be set to ENABLE or DISABLE. */
93 
94   uint32_t ABOM;       /*!< Enable or disable the automatic bus-off management.
95                             This parameter can be set to ENABLE or DISABLE. */
96 
97   uint32_t AWUM;       /*!< Enable or disable the automatic wake-up mode.
98                             This parameter can be set to ENABLE or DISABLE. */
99 
100   uint32_t NART;       /*!< Enable or disable the non-automatic retransmission mode.
101                             This parameter can be set to ENABLE or DISABLE. */
102 
103   uint32_t RFLM;       /*!< Enable or disable the Receive FIFO Locked mode.
104                             This parameter can be set to ENABLE or DISABLE. */
105 
106   uint32_t TXFP;       /*!< Enable or disable the transmit FIFO priority.
107                             This parameter can be set to ENABLE or DISABLE. */
108 }CAN_InitTypeDef;
109 
110 /**
111   * @brief  CAN filter configuration structure definition
112   */
113 typedef struct
114 {
115   uint32_t FilterIdHigh;          /*!< Specifies the filter identification number (MSBs for a 32-bit
116                                        configuration, first one for a 16-bit configuration).
117                                        This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
118 
119   uint32_t FilterIdLow;           /*!< Specifies the filter identification number (LSBs for a 32-bit
120                                        configuration, second one for a 16-bit configuration).
121                                        This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
122 
123   uint32_t FilterMaskIdHigh;      /*!< Specifies the filter mask number or identification number,
124                                        according to the mode (MSBs for a 32-bit configuration,
125                                        first one for a 16-bit configuration).
126                                        This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
127 
128   uint32_t FilterMaskIdLow;       /*!< Specifies the filter mask number or identification number,
129                                        according to the mode (LSBs for a 32-bit configuration,
130                                        second one for a 16-bit configuration).
131                                        This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
132 
133   uint32_t FilterFIFOAssignment;  /*!< Specifies the FIFO (0 or 1U) which will be assigned to the filter.
134                                        This parameter can be a value of @ref CAN_filter_FIFO */
135 
136   uint32_t FilterNumber;          /*!< Specifies the filter which will be initialized.
137                                        This parameter must be a number between Min_Data = 0 and Max_Data = 27. */
138 
139   uint32_t FilterMode;            /*!< Specifies the filter mode to be initialized.
140                                        This parameter can be a value of @ref CAN_filter_mode */
141 
142   uint32_t FilterScale;           /*!< Specifies the filter scale.
143                                        This parameter can be a value of @ref CAN_filter_scale */
144 
145   uint32_t FilterActivation;      /*!< Enable or disable the filter.
146                                        This parameter can be set to ENABLE or DISABLE. */
147 
148   uint32_t BankNumber;            /*!< Select the start slave bank filter
149                                        F3 devices don't support CAN2 interface (Slave). Therefore this parameter
150                                        is meaningless but it has been kept for compatibility accross STM32 families */
151 
152 }CAN_FilterConfTypeDef;
153 
154 /**
155   * @brief  CAN Tx message structure definition
156   */
157 typedef struct
158 {
159   uint32_t StdId;    /*!< Specifies the standard identifier.
160                           This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF. */
161 
162   uint32_t ExtId;    /*!< Specifies the extended identifier.
163                           This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF. */
164 
165   uint32_t IDE;      /*!< Specifies the type of identifier for the message that will be transmitted.
166                           This parameter can be a value of @ref CAN_identifier_type */
167 
168   uint32_t RTR;      /*!< Specifies the type of frame for the message that will be transmitted.
169                           This parameter can be a value of @ref CAN_remote_transmission_request */
170 
171   uint32_t DLC;      /*!< Specifies the length of the frame that will be transmitted.
172                           This parameter must be a number between Min_Data = 0 and Max_Data = 8. */
173 
174   uint8_t Data[8];   /*!< Contains the data to be transmitted.
175                           This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF. */
176 
177 }CanTxMsgTypeDef;
178 
179 /**
180   * @brief  CAN Rx message structure definition
181   */
182 typedef struct
183 {
184   uint32_t StdId;       /*!< Specifies the standard identifier.
185                              This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF. */
186 
187   uint32_t ExtId;       /*!< Specifies the extended identifier.
188                              This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF. */
189 
190   uint32_t IDE;         /*!< Specifies the type of identifier for the message that will be received.
191                              This parameter can be a value of @ref CAN_identifier_type */
192 
193   uint32_t RTR;         /*!< Specifies the type of frame for the received message.
194                              This parameter can be a value of @ref CAN_remote_transmission_request */
195 
196   uint32_t DLC;         /*!< Specifies the length of the frame that will be received.
197                              This parameter must be a number between Min_Data = 0 and Max_Data = 8. */
198 
199   uint8_t Data[8];      /*!< Contains the data to be received.
200                              This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF. */
201 
202   uint32_t FMI;         /*!< Specifies the index of the filter the message stored in the mailbox passes through.
203                              This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF. */
204 
205   uint32_t FIFONumber;  /*!< Specifies the receive FIFO number.
206                              This parameter can be CAN_FIFO0 or CAN_FIFO1 */
207 
208 }CanRxMsgTypeDef;
209 
210 /**
211   * @brief  CAN handle Structure definition
212   */
213 typedef struct
214 {
215   CAN_TypeDef                 *Instance;  /*!< Register base address          */
216 
217   CAN_InitTypeDef             Init;       /*!< CAN required parameters        */
218 
219   CanTxMsgTypeDef*            pTxMsg;     /*!< Pointer to transmit structure  */
220 
221   CanRxMsgTypeDef*            pRxMsg;     /*!< Pointer to reception structure for RX FIFO0 msg */
222 
223   CanRxMsgTypeDef*            pRx1Msg;    /*!< Pointer to reception structure for RX FIFO1 msg */
224 
225   HAL_LockTypeDef             Lock;       /*!< CAN locking object             */
226 
227   __IO HAL_CAN_StateTypeDef   State;      /*!< CAN communication state        */
228 
229   __IO uint32_t               ErrorCode;  /*!< CAN Error code
230                                                This parameter can be a value of @ref CAN_Error_Code */
231 
232 }CAN_HandleTypeDef;
233 /**
234   * @}
235   */
236 
237 /* Exported constants --------------------------------------------------------*/
238 
239 /** @defgroup CAN_Exported_Constants CAN Exported Constants
240   * @{
241   */
242 
243 /** @defgroup CAN_Error_Code CAN Error Code
244   * @{
245   */
246 #define HAL_CAN_ERROR_NONE          (0x00000000U)  /*!< No error             */
247 #define HAL_CAN_ERROR_EWG           (0x00000001U)  /*!< EWG error            */
248 #define HAL_CAN_ERROR_EPV           (0x00000002U)  /*!< EPV error            */
249 #define HAL_CAN_ERROR_BOF           (0x00000004U)  /*!< BOF error            */
250 #define HAL_CAN_ERROR_STF           (0x00000008U)  /*!< Stuff error          */
251 #define HAL_CAN_ERROR_FOR           (0x00000010U)  /*!< Form error           */
252 #define HAL_CAN_ERROR_ACK           (0x00000020U)  /*!< Acknowledgment error */
253 #define HAL_CAN_ERROR_BR            (0x00000040U)  /*!< Bit recessive        */
254 #define HAL_CAN_ERROR_BD            (0x00000080U)  /*!< LEC dominant         */
255 #define HAL_CAN_ERROR_CRC           (0x00000100U)  /*!< LEC transfer error   */
256 #define HAL_CAN_ERROR_FOV0          (0x00000200U)  /*!< FIFO0 overrun error  */
257 #define HAL_CAN_ERROR_FOV1          (0x00000400U)  /*!< FIFO1 overrun error  */
258 #define HAL_CAN_ERROR_TXFAIL        (0x00000800U)  /*!< Transmit failure     */
259 /**
260   * @}
261   */
262 
263 /** @defgroup CAN_InitStatus CAN InitStatus
264   * @{
265   */
266 #define CAN_INITSTATUS_FAILED       (0x00000000U)  /*!< CAN initialization failed */
267 #define CAN_INITSTATUS_SUCCESS      (0x00000001U)  /*!< CAN initialization OK */
268 /**
269   * @}
270   */
271 
272 /** @defgroup CAN_operating_mode CAN Operating Mode
273   * @{
274   */
275 #define CAN_MODE_NORMAL             (0x00000000U)                              /*!< Normal mode   */
276 #define CAN_MODE_LOOPBACK           ((uint32_t)CAN_BTR_LBKM)                   /*!< Loopback mode */
277 #define CAN_MODE_SILENT             ((uint32_t)CAN_BTR_SILM)                   /*!< Silent mode   */
278 #define CAN_MODE_SILENT_LOOPBACK    ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM))  /*!< Loopback combined with silent mode */
279 /**
280   * @}
281   */
282 
283 
284 /** @defgroup CAN_synchronisation_jump_width CAN Synchronization Jump Width
285   * @{
286   */
287 #define CAN_SJW_1TQ                 (0x00000000U)              /*!< 1 time quantum */
288 #define CAN_SJW_2TQ                 ((uint32_t)CAN_BTR_SJW_0)  /*!< 2 time quantum */
289 #define CAN_SJW_3TQ                 ((uint32_t)CAN_BTR_SJW_1)  /*!< 3 time quantum */
290 #define CAN_SJW_4TQ                 ((uint32_t)CAN_BTR_SJW)    /*!< 4 time quantum */
291 /**
292   * @}
293   */
294 
295 /** @defgroup CAN_time_quantum_in_bit_segment_1 CAN Time Quantum in Bit Segment 1
296   * @{
297   */
298 #define CAN_BS1_1TQ                 (0x00000000U)                                                /*!< 1 time quantum  */
299 #define CAN_BS1_2TQ                 ((uint32_t)CAN_BTR_TS1_0)                                    /*!< 2 time quantum  */
300 #define CAN_BS1_3TQ                 ((uint32_t)CAN_BTR_TS1_1)                                    /*!< 3 time quantum  */
301 #define CAN_BS1_4TQ                 ((uint32_t)(CAN_BTR_TS1_1 | CAN_BTR_TS1_0))                  /*!< 4 time quantum  */
302 #define CAN_BS1_5TQ                 ((uint32_t)CAN_BTR_TS1_2)                                    /*!< 5 time quantum  */
303 #define CAN_BS1_6TQ                 ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_0))                  /*!< 6 time quantum  */
304 #define CAN_BS1_7TQ                 ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1))                  /*!< 7 time quantum  */
305 #define CAN_BS1_8TQ                 ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0))  /*!< 8 time quantum  */
306 #define CAN_BS1_9TQ                 ((uint32_t)CAN_BTR_TS1_3)                                    /*!< 9 time quantum  */
307 #define CAN_BS1_10TQ                ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_0))                  /*!< 10 time quantum */
308 #define CAN_BS1_11TQ                ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1))                  /*!< 11 time quantum */
309 #define CAN_BS1_12TQ                ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0))  /*!< 12 time quantum */
310 #define CAN_BS1_13TQ                ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2))                  /*!< 13 time quantum */
311 #define CAN_BS1_14TQ                ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_0))  /*!< 14 time quantum */
312 #define CAN_BS1_15TQ                ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_1))  /*!< 15 time quantum */
313 #define CAN_BS1_16TQ                ((uint32_t)CAN_BTR_TS1) /*!< 16 time quantum */
314 /**
315   * @}
316   */
317 
318 /** @defgroup CAN_time_quantum_in_bit_segment_2 CAN Time Quantum in Bit Segment 2
319   * @{
320   */
321 #define CAN_BS2_1TQ                 (0x00000000U)                                /*!< 1 time quantum */
322 #define CAN_BS2_2TQ                 ((uint32_t)CAN_BTR_TS2_0)                    /*!< 2 time quantum */
323 #define CAN_BS2_3TQ                 ((uint32_t)CAN_BTR_TS2_1)                    /*!< 3 time quantum */
324 #define CAN_BS2_4TQ                 ((uint32_t)(CAN_BTR_TS2_1 | CAN_BTR_TS2_0))  /*!< 4 time quantum */
325 #define CAN_BS2_5TQ                 ((uint32_t)CAN_BTR_TS2_2)                    /*!< 5 time quantum */
326 #define CAN_BS2_6TQ                 ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_0))  /*!< 6 time quantum */
327 #define CAN_BS2_7TQ                 ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_1))  /*!< 7 time quantum */
328 #define CAN_BS2_8TQ                 ((uint32_t)CAN_BTR_TS2)                      /*!< 8 time quantum */
329 /**
330   * @}
331   */
332 
333 /** @defgroup CAN_filter_mode CAN Filter Mode
334   * @{
335   */
336 #define CAN_FILTERMODE_IDMASK       ((uint8_t)0x00U)  /*!< Identifier mask mode */
337 #define CAN_FILTERMODE_IDLIST       ((uint8_t)0x01U)  /*!< Identifier list mode */
338 /**
339   * @}
340   */
341 
342 /** @defgroup CAN_filter_scale CAN Filter Scale
343   * @{
344   */
345 #define CAN_FILTERSCALE_16BIT       ((uint8_t)0x00U)  /*!< Two 16-bit filters */
346 #define CAN_FILTERSCALE_32BIT       ((uint8_t)0x01U)  /*!< One 32-bit filter  */
347 /**
348   * @}
349   */
350 
351 /** @defgroup CAN_filter_FIFO CAN Filter FIFO
352   * @{
353   */
354 #define CAN_FILTER_FIFO0             ((uint8_t)0x00U)  /*!< Filter FIFO 0 assignment for filter x */
355 #define CAN_FILTER_FIFO1             ((uint8_t)0x01U)  /*!< Filter FIFO 1 assignment for filter x */
356 /**
357   * @}
358   */
359 
360 /** @defgroup CAN_identifier_type CAN Identifier Type
361   * @{
362   */
363 #define CAN_ID_STD             (0x00000000U)  /*!< Standard Id */
364 #define CAN_ID_EXT             (0x00000004U)  /*!< Extended Id */
365 /**
366   * @}
367   */
368 
369 /** @defgroup CAN_remote_transmission_request CAN Remote Transmission Request
370   * @{
371   */
372 #define CAN_RTR_DATA                (0x00000000U)  /*!< Data frame */
373 #define CAN_RTR_REMOTE              (0x00000002U)  /*!< Remote frame */
374 /**
375   * @}
376   */
377 
378 /** @defgroup CAN_receive_FIFO_number_constants CAN Receive FIFO Number
379   * @{
380   */
381 #define CAN_FIFO0                   ((uint8_t)0x00U)  /*!< CAN FIFO 0 used to receive */
382 #define CAN_FIFO1                   ((uint8_t)0x01U)  /*!< CAN FIFO 1 used to receive */
383 /**
384   * @}
385   */
386 
387 /** @defgroup CAN_flags CAN Flags
388   * @{
389   */
390 /* If the flag is 0x3XXXXXXX, it means that it can be used with CAN_GetFlagStatus()
391    and CAN_ClearFlag() functions. */
392 /* If the flag is 0x1XXXXXXX, it means that it can only be used with
393    CAN_GetFlagStatus() function.  */
394 
395 /* Transmit Flags */
396 #define CAN_FLAG_RQCP0             (0x00000500U)  /*!< Request MailBox0 flag         */
397 #define CAN_FLAG_RQCP1             (0x00000508U)  /*!< Request MailBox1 flag         */
398 #define CAN_FLAG_RQCP2             (0x00000510U)  /*!< Request MailBox2 flag         */
399 #define CAN_FLAG_TXOK0             (0x00000501U)  /*!< Transmission OK MailBox0 flag */
400 #define CAN_FLAG_TXOK1             (0x00000509U)  /*!< Transmission OK MailBox1 flag */
401 #define CAN_FLAG_TXOK2             (0x00000511U)  /*!< Transmission OK MailBox2 flag */
402 #define CAN_FLAG_TME0              (0x0000051AU)  /*!< Transmit mailbox 0 empty flag */
403 #define CAN_FLAG_TME1              (0x0000051BU)  /*!< Transmit mailbox 0 empty flag */
404 #define CAN_FLAG_TME2              (0x0000051CU)  /*!< Transmit mailbox 0 empty flag */
405 
406 /* Receive Flags */
407 #define CAN_FLAG_FF0               (0x00000203U)  /*!< FIFO 0 Full flag    */
408 #define CAN_FLAG_FOV0              (0x00000204U)  /*!< FIFO 0 Overrun flag */
409 
410 #define CAN_FLAG_FF1               (0x00000403U)  /*!< FIFO 1 Full flag    */
411 #define CAN_FLAG_FOV1              (0x00000404U)  /*!< FIFO 1 Overrun flag */
412 
413 /* Operating Mode Flags */
414 #define CAN_FLAG_INAK              (0x00000100U)  /*!< Initialization acknowledge flag */
415 #define CAN_FLAG_SLAK              (0x00000101U)  /*!< Sleep acknowledge flag          */
416 #define CAN_FLAG_ERRI              (0x00000102U)  /*!< Error flag                      */
417 #define CAN_FLAG_WKU               (0x00000103U)  /*!< Wake up flag                    */
418 #define CAN_FLAG_SLAKI             (0x00000104U)  /*!< Sleep acknowledge flag          */
419 /* @note When SLAK interrupt is disabled (SLKIE=0U), no polling on SLAKI is possible.
420          In this case the SLAK bit can be polled.*/
421 
422 /* Error Flags */
423 #define CAN_FLAG_EWG               (0x00000300U)  /*!< Error warning flag   */
424 #define CAN_FLAG_EPV               (0x00000301U)  /*!< Error passive flag   */
425 #define CAN_FLAG_BOF               (0x00000302U)  /*!< Bus-Off flag         */
426 
427 /**
428   * @}
429   */
430 
431 
432 /** @defgroup CAN_interrupts CAN Interrupts
433   * @{
434   */
435 #define CAN_IT_TME                  ((uint32_t)CAN_IER_TMEIE)   /*!< Transmit mailbox empty interrupt */
436 
437 /* Receive Interrupts */
438 #define CAN_IT_FMP0                 ((uint32_t)CAN_IER_FMPIE0)  /*!< FIFO 0 message pending interrupt */
439 #define CAN_IT_FF0                  ((uint32_t)CAN_IER_FFIE0)   /*!< FIFO 0 full interrupt            */
440 #define CAN_IT_FOV0                 ((uint32_t)CAN_IER_FOVIE0)  /*!< FIFO 0 overrun interrupt         */
441 #define CAN_IT_FMP1                 ((uint32_t)CAN_IER_FMPIE1)  /*!< FIFO 1 message pending interrupt */
442 #define CAN_IT_FF1                  ((uint32_t)CAN_IER_FFIE1)   /*!< FIFO 1 full interrupt            */
443 #define CAN_IT_FOV1                 ((uint32_t)CAN_IER_FOVIE1)  /*!< FIFO 1 overrun interrupt         */
444 
445 /* Operating Mode Interrupts */
446 #define CAN_IT_WKU                  ((uint32_t)CAN_IER_WKUIE)  /*!< Wake-up interrupt           */
447 #define CAN_IT_SLK                  ((uint32_t)CAN_IER_SLKIE)  /*!< Sleep acknowledge interrupt */
448 
449 /* Error Interrupts */
450 #define CAN_IT_EWG                  ((uint32_t)CAN_IER_EWGIE) /*!< Error warning interrupt   */
451 #define CAN_IT_EPV                  ((uint32_t)CAN_IER_EPVIE) /*!< Error passive interrupt   */
452 #define CAN_IT_BOF                  ((uint32_t)CAN_IER_BOFIE) /*!< Bus-off interrupt         */
453 #define CAN_IT_LEC                  ((uint32_t)CAN_IER_LECIE) /*!< Last error code interrupt */
454 #define CAN_IT_ERR                  ((uint32_t)CAN_IER_ERRIE) /*!< Error Interrupt           */
455 
456 /**
457   * @}
458   */
459 
460 /** @defgroup CAN_Mailboxes CAN Mailboxes
461 * @{
462 */
463 /* Mailboxes definition */
464 #define CAN_TXMAILBOX_0   ((uint8_t)0x00U)
465 #define CAN_TXMAILBOX_1   ((uint8_t)0x01U)
466 #define CAN_TXMAILBOX_2   ((uint8_t)0x02U)
467 /**
468   * @}
469   */
470 
471 /**
472   * @}
473   */
474 
475 /* Exported macros -----------------------------------------------------------*/
476 /** @defgroup CAN_Exported_Macros CAN Exported Macros
477   * @{
478   */
479 
480 /** @brief  Reset CAN handle state
481   * @param  __HANDLE__ CAN handle.
482   * @retval None
483   */
484 #define __HAL_CAN_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CAN_STATE_RESET)
485 
486 /**
487   * @brief  Enable the specified CAN interrupts.
488   * @param  __HANDLE__ CAN handle.
489   * @param  __INTERRUPT__ CAN Interrupt
490   * @retval None
491   */
492 #define __HAL_CAN_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) |= (__INTERRUPT__))
493 
494 /**
495   * @brief  Disable the specified CAN interrupts.
496   * @param  __HANDLE__ CAN handle.
497   * @param  __INTERRUPT__ CAN Interrupt
498   * @retval None
499   */
500 #define __HAL_CAN_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) &= ~(__INTERRUPT__))
501 
502 /**
503   * @brief  Return the number of pending received messages.
504   * @param  __HANDLE__ CAN handle.
505   * @param  __FIFONUMBER__ Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
506   * @retval The number of pending message.
507   */
508 #define __HAL_CAN_MSG_PENDING(__HANDLE__, __FIFONUMBER__) (((__FIFONUMBER__) == CAN_FIFO0)? \
509 ((uint8_t)((__HANDLE__)->Instance->RF0R&0x03U)) : ((uint8_t)((__HANDLE__)->Instance->RF1R&0x03U)))
510 
511 /** @brief  Check whether the specified CAN flag is set or not.
512   * @param  __HANDLE__ specifies the CAN Handle.
513   * @param  __FLAG__ specifies the flag to check.
514   *         This parameter can be one of the following values:
515   *            @arg CAN_TSR_RQCP0: Request MailBox0 Flag
516   *            @arg CAN_TSR_RQCP1: Request MailBox1 Flag
517   *            @arg CAN_TSR_RQCP2: Request MailBox2 Flag
518   *            @arg CAN_FLAG_TXOK0: Transmission OK MailBox0 Flag
519   *            @arg CAN_FLAG_TXOK1: Transmission OK MailBox1 Flag
520   *            @arg CAN_FLAG_TXOK2: Transmission OK MailBox2 Flag
521   *            @arg CAN_FLAG_TME0: Transmit mailbox 0 empty Flag
522   *            @arg CAN_FLAG_TME1: Transmit mailbox 1 empty Flag
523   *            @arg CAN_FLAG_TME2: Transmit mailbox 2 empty Flag
524   *            @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag
525   *            @arg CAN_FLAG_FF0: FIFO 0 Full Flag
526   *            @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
527   *            @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag
528   *            @arg CAN_FLAG_FF1: FIFO 1 Full Flag
529   *            @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
530   *            @arg CAN_FLAG_WKU: Wake up Flag
531   *            @arg CAN_FLAG_SLAK: Sleep acknowledge Flag
532   *            @arg CAN_FLAG_SLAKI: Sleep acknowledge Flag
533   *            @arg CAN_FLAG_EWG: Error Warning Flag
534   *            @arg CAN_FLAG_EPV: Error Passive Flag
535   *            @arg CAN_FLAG_BOF: Bus-Off Flag
536   * @retval The new state of __FLAG__ (TRUE or FALSE).
537   */
538 #define __HAL_CAN_GET_FLAG(__HANDLE__, __FLAG__) \
539 ((((__FLAG__) >> 8U) == 5U)? ((((__HANDLE__)->Instance->TSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
540  (((__FLAG__) >> 8U) == 2U)? ((((__HANDLE__)->Instance->RF0R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
541  (((__FLAG__) >> 8U) == 4U)? ((((__HANDLE__)->Instance->RF1R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
542  (((__FLAG__) >> 8U) == 1U)? ((((__HANDLE__)->Instance->MSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
543  ((((__HANDLE__)->Instance->ESR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))))
544 
545 /** @brief  Clear the specified CAN pending flag.
546   * @param  __HANDLE__ specifies the CAN Handle.
547   * @param  __FLAG__ specifies the flag to check.
548   *         This parameter can be one of the following values:
549   *            @arg CAN_TSR_RQCP0: Request MailBox0 Flag
550   *            @arg CAN_TSR_RQCP1: Request MailBox1 Flag
551   *            @arg CAN_TSR_RQCP2: Request MailBox2 Flag
552   *            @arg CAN_FLAG_TXOK0: Transmission OK MailBox0 Flag
553   *            @arg CAN_FLAG_TXOK1: Transmission OK MailBox1 Flag
554   *            @arg CAN_FLAG_TXOK2: Transmission OK MailBox2 Flag
555   *            @arg CAN_FLAG_TME0: Transmit mailbox 0 empty Flag
556   *            @arg CAN_FLAG_TME1: Transmit mailbox 1 empty Flag
557   *            @arg CAN_FLAG_TME2: Transmit mailbox 2 empty Flag
558   *            @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag
559   *            @arg CAN_FLAG_FF0: FIFO 0 Full Flag
560   *            @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
561   *            @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag
562   *            @arg CAN_FLAG_FF1: FIFO 1 Full Flag
563   *            @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
564   *            @arg CAN_FLAG_WKU: Wake up Flag
565   *            @arg CAN_FLAG_SLAKI: Sleep acknowledge Flag
566   *            @arg CAN_FLAG_EWG: Error Warning Flag
567   *            @arg CAN_FLAG_EPV: Error Passive Flag
568   *            @arg CAN_FLAG_BOF: Bus-Off Flag
569   * @retval The new state of __FLAG__ (TRUE or FALSE).
570   */
571 #define __HAL_CAN_CLEAR_FLAG(__HANDLE__, __FLAG__) \
572 ((((__FLAG__) >> 8U) == 5U)? (((__HANDLE__)->Instance->TSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
573  (((__FLAG__) >> 8U) == 2U)? (((__HANDLE__)->Instance->RF0R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
574  (((__FLAG__) >> 8U) == 4U)? (((__HANDLE__)->Instance->RF1R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
575  (((__FLAG__) >> 8U) == 1U)? (((__HANDLE__)->Instance->MSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U)
576 
577 
578 /** @brief  Check if the specified CAN interrupt source is enabled or disabled.
579   * @param  __HANDLE__ specifies the CAN Handle.
580   * @param  __INTERRUPT__ specifies the CAN interrupt source to check.
581   *         This parameter can be one of the following values:
582   *            @arg CAN_IT_TME: Transmit mailbox empty interrupt enable
583   *            @arg CAN_IT_FMP0: FIFO0 message pending interrupt enablev
584   *            @arg CAN_IT_FMP1: FIFO1 message pending interrupt enable
585   * @retval The new state of __IT__ (TRUE or FALSE).
586   */
587 #define __HAL_CAN_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IER & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
588 
589 /**
590   * @brief  Check the transmission status of a CAN Frame.
591   * @param  __HANDLE__ CAN handle.
592   * @param  __TRANSMITMAILBOX__ the number of the mailbox that is used for transmission.
593   * @retval The new status of transmission  (TRUE or FALSE).
594   */
595 #define __HAL_CAN_TRANSMIT_STATUS(__HANDLE__, __TRANSMITMAILBOX__)\
596 (((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_0)? ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP0 | CAN_TSR_TME0)) == (CAN_TSR_RQCP0 | CAN_TSR_TME0)) :\
597  ((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_1)? ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP1 | CAN_TSR_TME1)) == (CAN_TSR_RQCP1 | CAN_TSR_TME1)) :\
598  ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP2 | CAN_TSR_TME2)) == (CAN_TSR_RQCP2 | CAN_TSR_TME2)))
599 
600  /**
601   * @brief  Release the specified receive FIFO.
602   * @param  __HANDLE__ CAN handle.
603   * @param  __FIFONUMBER__ Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
604   * @retval None
605   */
606 #define __HAL_CAN_FIFO_RELEASE(__HANDLE__, __FIFONUMBER__) (((__FIFONUMBER__) == CAN_FIFO0)? \
607 ((__HANDLE__)->Instance->RF0R |= CAN_RF0R_RFOM0) : ((__HANDLE__)->Instance->RF1R |= CAN_RF1R_RFOM1))
608 
609 /**
610   * @brief  Cancel a transmit request.
611   * @param  __HANDLE__ specifies the CAN Handle.
612   * @param  __TRANSMITMAILBOX__ the number of the mailbox that is used for transmission.
613   * @retval None
614   */
615 #define __HAL_CAN_CANCEL_TRANSMIT(__HANDLE__, __TRANSMITMAILBOX__)\
616 (((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_0)? ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ0) :\
617  ((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_1)? ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ1) :\
618  ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ2))
619 
620 /**
621   * @brief  Enable or disables the DBG Freeze for CAN.
622   * @param  __HANDLE__ specifies the CAN Handle.
623   * @param  __NEWSTATE__ new state of the CAN peripheral.
624   *         This parameter can be: ENABLE (CAN reception/transmission is frozen
625   *         during debug. Reception FIFOs can still be accessed/controlled normally)
626   *         or DISABLE (CAN is working during debug).
627   * @retval None
628   */
629 #define __HAL_CAN_DBG_FREEZE(__HANDLE__, __NEWSTATE__) (((__NEWSTATE__) == ENABLE)? \
630 ((__HANDLE__)->Instance->MCR |= CAN_MCR_DBF) : ((__HANDLE__)->Instance->MCR &= ~CAN_MCR_DBF))
631 
632 /**
633  * @}
634  */
635 
636 /* Exported functions --------------------------------------------------------*/
637 /** @addtogroup CAN_Exported_Functions CAN Exported Functions
638   * @{
639   */
640 
641 /** @addtogroup CAN_Exported_Functions_Group1 Initialization and de-initialization functions
642  *  @brief    Initialization and Configuration functions
643  * @{
644  */
645 
646 /* Initialization and de-initialization functions *****************************/
647 HAL_StatusTypeDef HAL_CAN_Init(CAN_HandleTypeDef* hcan);
648 HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef* hcan, CAN_FilterConfTypeDef* sFilterConfig);
649 HAL_StatusTypeDef HAL_CAN_DeInit(CAN_HandleTypeDef* hcan);
650 void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan);
651 void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan);
652 /**
653  * @}
654  */
655 
656 /** @addtogroup CAN_Exported_Functions_Group2 Input and Output operation functions
657  *  @brief    I/O operation functions
658  * @{
659  */
660 /* IO operation functions *****************************************************/
661 HAL_StatusTypeDef HAL_CAN_Transmit(CAN_HandleTypeDef *hcan, uint32_t Timeout);
662 HAL_StatusTypeDef HAL_CAN_Transmit_IT(CAN_HandleTypeDef *hcan);
663 HAL_StatusTypeDef HAL_CAN_Receive(CAN_HandleTypeDef *hcan, uint8_t FIFONumber, uint32_t Timeout);
664 HAL_StatusTypeDef HAL_CAN_Receive_IT(CAN_HandleTypeDef *hcan, uint8_t FIFONumber);
665 HAL_StatusTypeDef HAL_CAN_Sleep(CAN_HandleTypeDef *hcan);
666 HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef *hcan);
667 void HAL_CAN_IRQHandler(CAN_HandleTypeDef* hcan);
668 void HAL_CAN_TxCpltCallback(CAN_HandleTypeDef* hcan);
669 void HAL_CAN_RxCpltCallback(CAN_HandleTypeDef* hcan);
670 void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan);
671 /**
672  * @}
673  */
674 
675 /** @addtogroup CAN_Exported_Functions_Group3 Peripheral State and Error functions
676  *  @brief   CAN Peripheral State functions
677  * @{
678  */
679 /* Peripheral State and Error functions ***************************************/
680 uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan);
681 HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef* hcan);
682 /**
683  * @}
684  */
685 
686 /**
687  * @}
688  */
689 
690 /* Private types -------------------------------------------------------------*/
691 /** @defgroup CAN_Private_Types CAN Private Types
692   * @{
693   */
694 
695 /**
696   * @}
697   */
698 
699 /* Private variables ---------------------------------------------------------*/
700 /** @defgroup CAN_Private_Variables CAN Private Variables
701   * @{
702   */
703 
704 /**
705   * @}
706   */
707 
708 /* Private constants ---------------------------------------------------------*/
709 /** @defgroup CAN_Private_Constants CAN Private Constants
710   * @{
711   */
712 #define CAN_TXSTATUS_NOMAILBOX      ((uint8_t)0x04U)  /*!< CAN cell did not provide CAN_TxStatus_NoMailBox */
713 #define CAN_FLAG_MASK  (0x000000FFU)
714 /**
715   * @}
716   */
717 
718 /* Private Macros -----------------------------------------------------------*/
719 /** @defgroup CAN_Private_Macros CAN Private Macros
720   * @{
721   */
722 
723 #define IS_CAN_MODE(MODE) (((MODE) == CAN_MODE_NORMAL) || \
724                            ((MODE) == CAN_MODE_LOOPBACK)|| \
725                            ((MODE) == CAN_MODE_SILENT) || \
726                            ((MODE) == CAN_MODE_SILENT_LOOPBACK))
727 
728 #define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1TQ) || ((SJW) == CAN_SJW_2TQ)|| \
729                          ((SJW) == CAN_SJW_3TQ) || ((SJW) == CAN_SJW_4TQ))
730 
731 #define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16TQ)
732 
733 #define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8TQ)
734 
735 #define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1U) && ((PRESCALER) <= 1024U))
736 
737 #define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27U)
738 
739 #define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FILTERMODE_IDMASK) || \
740                                   ((MODE) == CAN_FILTERMODE_IDLIST))
741 
742 #define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FILTERSCALE_16BIT) || \
743                                     ((SCALE) == CAN_FILTERSCALE_32BIT))
744 
745 #define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FILTER_FIFO0) || \
746                                   ((FIFO) == CAN_FILTER_FIFO1))
747 
748 #define IS_CAN_BANKNUMBER(BANKNUMBER) ((BANKNUMBER) <= 28U)
749 
750 #define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02U))
751 #define IS_CAN_STDID(STDID)   ((STDID) <= (0x7FFU))
752 #define IS_CAN_EXTID(EXTID)   ((EXTID) <= (0x1FFFFFFFU))
753 #define IS_CAN_DLC(DLC)       ((DLC) <= ((uint8_t)0x08U))
754 
755 #define IS_CAN_IDTYPE(IDTYPE)  (((IDTYPE) == CAN_ID_STD) || \
756                                 ((IDTYPE) == CAN_ID_EXT))
757 
758 #define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_DATA) || ((RTR) == CAN_RTR_REMOTE))
759 
760 #define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1))
761 
762 #define IS_CAN_IT(IT)        (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FMP0)  ||\
763                              ((IT) == CAN_IT_FF0)  || ((IT) == CAN_IT_FOV0)  ||\
764                              ((IT) == CAN_IT_FMP1) || ((IT) == CAN_IT_FF1)   ||\
765                              ((IT) == CAN_IT_FOV1) || ((IT) == CAN_IT_EWG)   ||\
766                              ((IT) == CAN_IT_EPV)  || ((IT) == CAN_IT_BOF)   ||\
767                              ((IT) == CAN_IT_LEC)  || ((IT) == CAN_IT_ERR)   ||\
768                              ((IT) == CAN_IT_WKU)  || ((IT) == CAN_IT_SLK))
769 
770 #define IS_CAN_CLEAR_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FF0)    ||\
771                              ((IT) == CAN_IT_FOV0)|| ((IT) == CAN_IT_FF1)    ||\
772                              ((IT) == CAN_IT_FOV1)|| ((IT) == CAN_IT_EWG)    ||\
773                              ((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF)    ||\
774                              ((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR)    ||\
775                              ((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
776 
777 /**
778   * @}
779   */
780 /* End of private macros -----------------------------------------------------*/
781 
782 /**
783   * @}
784   */
785 
786 /**
787   * @}
788   */
789 
790 #endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
791        /* STM32F302xC || STM32F303xC || STM32F358xx || */
792        /* STM32F303x8 || STM32F334x8 || STM32F328xx || */
793        /* STM32F302x8                               || */
794        /* STM32F373xC || STM32F378xx                   */
795 
796 #ifdef __cplusplus
797 }
798 #endif
799 
800 #endif /* __STM32F3xx_HAL_CAN_LEGACY_H */
801 
802 
803 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
804