1 /** 2 ****************************************************************************** 3 * @file stm32f4xx_hal_can.h 4 * @author MCD Application Team 5 * @brief Header file of CAN HAL module. 6 ****************************************************************************** 7 * @attention 8 * 9 * Copyright (c) 2016 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 STM32F4xx_HAL_CAN_H 21 #define STM32F4xx_HAL_CAN_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32f4xx_hal_def.h" 29 30 /** @addtogroup STM32F4xx_HAL_Driver 31 * @{ 32 */ 33 34 #if defined (CAN1) 35 /** @addtogroup CAN 36 * @{ 37 */ 38 39 /* Exported types ------------------------------------------------------------*/ 40 /** @defgroup CAN_Exported_Types CAN Exported Types 41 * @{ 42 */ 43 /** 44 * @brief HAL State structures definition 45 */ 46 typedef enum 47 { 48 HAL_CAN_STATE_RESET = 0x00U, /*!< CAN not yet initialized or disabled */ 49 HAL_CAN_STATE_READY = 0x01U, /*!< CAN initialized and ready for use */ 50 HAL_CAN_STATE_LISTENING = 0x02U, /*!< CAN receive process is ongoing */ 51 HAL_CAN_STATE_SLEEP_PENDING = 0x03U, /*!< CAN sleep request is pending */ 52 HAL_CAN_STATE_SLEEP_ACTIVE = 0x04U, /*!< CAN sleep mode is active */ 53 HAL_CAN_STATE_ERROR = 0x05U /*!< CAN error state */ 54 55 } HAL_CAN_StateTypeDef; 56 57 /** 58 * @brief CAN init structure definition 59 */ 60 typedef struct 61 { 62 uint32_t Prescaler; /*!< Specifies the length of a time quantum. 63 This parameter must be a number between Min_Data = 1 and Max_Data = 1024. */ 64 65 uint32_t Mode; /*!< Specifies the CAN operating mode. 66 This parameter can be a value of @ref CAN_operating_mode */ 67 68 uint32_t SyncJumpWidth; /*!< Specifies the maximum number of time quanta the CAN hardware 69 is allowed to lengthen or shorten a bit to perform resynchronization. 70 This parameter can be a value of @ref CAN_synchronisation_jump_width */ 71 72 uint32_t TimeSeg1; /*!< Specifies the number of time quanta in Bit Segment 1. 73 This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_1 */ 74 75 uint32_t TimeSeg2; /*!< Specifies the number of time quanta in Bit Segment 2. 76 This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */ 77 78 FunctionalState TimeTriggeredMode; /*!< Enable or disable the time triggered communication mode. 79 This parameter can be set to ENABLE or DISABLE. */ 80 81 FunctionalState AutoBusOff; /*!< Enable or disable the automatic bus-off management. 82 This parameter can be set to ENABLE or DISABLE. */ 83 84 FunctionalState AutoWakeUp; /*!< Enable or disable the automatic wake-up mode. 85 This parameter can be set to ENABLE or DISABLE. */ 86 87 FunctionalState AutoRetransmission; /*!< Enable or disable the non-automatic retransmission mode. 88 This parameter can be set to ENABLE or DISABLE. */ 89 90 FunctionalState ReceiveFifoLocked; /*!< Enable or disable the Receive FIFO Locked mode. 91 This parameter can be set to ENABLE or DISABLE. */ 92 93 FunctionalState TransmitFifoPriority;/*!< Enable or disable the transmit FIFO priority. 94 This parameter can be set to ENABLE or DISABLE. */ 95 96 } CAN_InitTypeDef; 97 98 /** 99 * @brief CAN filter configuration structure definition 100 */ 101 typedef struct 102 { 103 uint32_t FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit 104 configuration, first one for a 16-bit configuration). 105 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 106 107 uint32_t FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit 108 configuration, second one for a 16-bit configuration). 109 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 110 111 uint32_t FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number, 112 according to the mode (MSBs for a 32-bit configuration, 113 first one for a 16-bit configuration). 114 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 115 116 uint32_t FilterMaskIdLow; /*!< Specifies the filter mask number or identification number, 117 according to the mode (LSBs for a 32-bit configuration, 118 second one for a 16-bit configuration). 119 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 120 121 uint32_t FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1U) which will be assigned to the filter. 122 This parameter can be a value of @ref CAN_filter_FIFO */ 123 124 uint32_t FilterBank; /*!< Specifies the filter bank which will be initialized. 125 For single CAN instance(14 dedicated filter banks), 126 this parameter must be a number between Min_Data = 0 and Max_Data = 13. 127 For dual CAN instances(28 filter banks shared), 128 this parameter must be a number between Min_Data = 0 and Max_Data = 27. */ 129 130 uint32_t FilterMode; /*!< Specifies the filter mode to be initialized. 131 This parameter can be a value of @ref CAN_filter_mode */ 132 133 uint32_t FilterScale; /*!< Specifies the filter scale. 134 This parameter can be a value of @ref CAN_filter_scale */ 135 136 uint32_t FilterActivation; /*!< Enable or disable the filter. 137 This parameter can be a value of @ref CAN_filter_activation */ 138 139 uint32_t SlaveStartFilterBank; /*!< Select the start filter bank for the slave CAN instance. 140 For single CAN instances, this parameter is meaningless. 141 For dual CAN instances, all filter banks with lower index are assigned to master 142 CAN instance, whereas all filter banks with greater index are assigned to slave 143 CAN instance. 144 This parameter must be a number between Min_Data = 0 and Max_Data = 27. */ 145 146 } CAN_FilterTypeDef; 147 148 /** 149 * @brief CAN Tx message header structure definition 150 */ 151 typedef struct 152 { 153 uint32_t StdId; /*!< Specifies the standard identifier. 154 This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF. */ 155 156 uint32_t ExtId; /*!< Specifies the extended identifier. 157 This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF. */ 158 159 uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted. 160 This parameter can be a value of @ref CAN_identifier_type */ 161 162 uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted. 163 This parameter can be a value of @ref CAN_remote_transmission_request */ 164 165 uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted. 166 This parameter must be a number between Min_Data = 0 and Max_Data = 8. */ 167 168 FunctionalState TransmitGlobalTime; /*!< Specifies whether the timestamp counter value captured on start 169 of frame transmission, is sent in DATA6 and DATA7 replacing pData[6] and pData[7]. 170 @note: Time Triggered Communication Mode must be enabled. 171 @note: DLC must be programmed as 8 bytes, in order these 2 bytes are sent. 172 This parameter can be set to ENABLE or DISABLE. */ 173 174 } CAN_TxHeaderTypeDef; 175 176 /** 177 * @brief CAN Rx message header structure definition 178 */ 179 typedef struct 180 { 181 uint32_t StdId; /*!< Specifies the standard identifier. 182 This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF. */ 183 184 uint32_t ExtId; /*!< Specifies the extended identifier. 185 This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF. */ 186 187 uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted. 188 This parameter can be a value of @ref CAN_identifier_type */ 189 190 uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted. 191 This parameter can be a value of @ref CAN_remote_transmission_request */ 192 193 uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted. 194 This parameter must be a number between Min_Data = 0 and Max_Data = 8. */ 195 196 uint32_t Timestamp; /*!< Specifies the timestamp counter value captured on start of frame reception. 197 @note: Time Triggered Communication Mode must be enabled. 198 This parameter must be a number between Min_Data = 0 and Max_Data = 0xFFFF. */ 199 200 uint32_t FilterMatchIndex; /*!< Specifies the index of matching acceptance filter element. 201 This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF. */ 202 203 } CAN_RxHeaderTypeDef; 204 205 /** 206 * @brief CAN handle Structure definition 207 */ 208 typedef struct __CAN_HandleTypeDef 209 { 210 CAN_TypeDef *Instance; /*!< Register base address */ 211 212 CAN_InitTypeDef Init; /*!< CAN required parameters */ 213 214 __IO HAL_CAN_StateTypeDef State; /*!< CAN communication state */ 215 216 __IO uint32_t ErrorCode; /*!< CAN Error code. 217 This parameter can be a value of @ref CAN_Error_Code */ 218 219 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 220 void (* TxMailbox0CompleteCallback)(struct __CAN_HandleTypeDef *hcan);/*!< CAN Tx Mailbox 0 complete callback */ 221 void (* TxMailbox1CompleteCallback)(struct __CAN_HandleTypeDef *hcan);/*!< CAN Tx Mailbox 1 complete callback */ 222 void (* TxMailbox2CompleteCallback)(struct __CAN_HandleTypeDef *hcan);/*!< CAN Tx Mailbox 2 complete callback */ 223 void (* TxMailbox0AbortCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Tx Mailbox 0 abort callback */ 224 void (* TxMailbox1AbortCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Tx Mailbox 1 abort callback */ 225 void (* TxMailbox2AbortCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Tx Mailbox 2 abort callback */ 226 void (* RxFifo0MsgPendingCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 0 msg pending callback */ 227 void (* RxFifo0FullCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 0 full callback */ 228 void (* RxFifo1MsgPendingCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 1 msg pending callback */ 229 void (* RxFifo1FullCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 1 full callback */ 230 void (* SleepCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Sleep callback */ 231 void (* WakeUpFromRxMsgCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Wake Up from Rx msg callback */ 232 void (* ErrorCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Error callback */ 233 234 void (* MspInitCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Msp Init callback */ 235 void (* MspDeInitCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Msp DeInit callback */ 236 237 #endif /* (USE_HAL_CAN_REGISTER_CALLBACKS) */ 238 } CAN_HandleTypeDef; 239 240 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 241 /** 242 * @brief HAL CAN common Callback ID enumeration definition 243 */ 244 typedef enum 245 { 246 HAL_CAN_TX_MAILBOX0_COMPLETE_CB_ID = 0x00U, /*!< CAN Tx Mailbox 0 complete callback ID */ 247 HAL_CAN_TX_MAILBOX1_COMPLETE_CB_ID = 0x01U, /*!< CAN Tx Mailbox 1 complete callback ID */ 248 HAL_CAN_TX_MAILBOX2_COMPLETE_CB_ID = 0x02U, /*!< CAN Tx Mailbox 2 complete callback ID */ 249 HAL_CAN_TX_MAILBOX0_ABORT_CB_ID = 0x03U, /*!< CAN Tx Mailbox 0 abort callback ID */ 250 HAL_CAN_TX_MAILBOX1_ABORT_CB_ID = 0x04U, /*!< CAN Tx Mailbox 1 abort callback ID */ 251 HAL_CAN_TX_MAILBOX2_ABORT_CB_ID = 0x05U, /*!< CAN Tx Mailbox 2 abort callback ID */ 252 HAL_CAN_RX_FIFO0_MSG_PENDING_CB_ID = 0x06U, /*!< CAN Rx FIFO 0 message pending callback ID */ 253 HAL_CAN_RX_FIFO0_FULL_CB_ID = 0x07U, /*!< CAN Rx FIFO 0 full callback ID */ 254 HAL_CAN_RX_FIFO1_MSG_PENDING_CB_ID = 0x08U, /*!< CAN Rx FIFO 1 message pending callback ID */ 255 HAL_CAN_RX_FIFO1_FULL_CB_ID = 0x09U, /*!< CAN Rx FIFO 1 full callback ID */ 256 HAL_CAN_SLEEP_CB_ID = 0x0AU, /*!< CAN Sleep callback ID */ 257 HAL_CAN_WAKEUP_FROM_RX_MSG_CB_ID = 0x0BU, /*!< CAN Wake Up from Rx msg callback ID */ 258 HAL_CAN_ERROR_CB_ID = 0x0CU, /*!< CAN Error callback ID */ 259 260 HAL_CAN_MSPINIT_CB_ID = 0x0DU, /*!< CAN MspInit callback ID */ 261 HAL_CAN_MSPDEINIT_CB_ID = 0x0EU, /*!< CAN MspDeInit callback ID */ 262 263 } HAL_CAN_CallbackIDTypeDef; 264 265 /** 266 * @brief HAL CAN Callback pointer definition 267 */ 268 typedef void (*pCAN_CallbackTypeDef)(CAN_HandleTypeDef *hcan); /*!< pointer to a CAN callback function */ 269 270 #endif /* USE_HAL_CAN_REGISTER_CALLBACKS */ 271 /** 272 * @} 273 */ 274 275 /* Exported constants --------------------------------------------------------*/ 276 277 /** @defgroup CAN_Exported_Constants CAN Exported Constants 278 * @{ 279 */ 280 281 /** @defgroup CAN_Error_Code CAN Error Code 282 * @{ 283 */ 284 #define HAL_CAN_ERROR_NONE (0x00000000U) /*!< No error */ 285 #define HAL_CAN_ERROR_EWG (0x00000001U) /*!< Protocol Error Warning */ 286 #define HAL_CAN_ERROR_EPV (0x00000002U) /*!< Error Passive */ 287 #define HAL_CAN_ERROR_BOF (0x00000004U) /*!< Bus-off error */ 288 #define HAL_CAN_ERROR_STF (0x00000008U) /*!< Stuff error */ 289 #define HAL_CAN_ERROR_FOR (0x00000010U) /*!< Form error */ 290 #define HAL_CAN_ERROR_ACK (0x00000020U) /*!< Acknowledgment error */ 291 #define HAL_CAN_ERROR_BR (0x00000040U) /*!< Bit recessive error */ 292 #define HAL_CAN_ERROR_BD (0x00000080U) /*!< Bit dominant error */ 293 #define HAL_CAN_ERROR_CRC (0x00000100U) /*!< CRC error */ 294 #define HAL_CAN_ERROR_RX_FOV0 (0x00000200U) /*!< Rx FIFO0 overrun error */ 295 #define HAL_CAN_ERROR_RX_FOV1 (0x00000400U) /*!< Rx FIFO1 overrun error */ 296 #define HAL_CAN_ERROR_TX_ALST0 (0x00000800U) /*!< TxMailbox 0 transmit failure due to arbitration lost */ 297 #define HAL_CAN_ERROR_TX_TERR0 (0x00001000U) /*!< TxMailbox 0 transmit failure due to transmit error */ 298 #define HAL_CAN_ERROR_TX_ALST1 (0x00002000U) /*!< TxMailbox 1 transmit failure due to arbitration lost */ 299 #define HAL_CAN_ERROR_TX_TERR1 (0x00004000U) /*!< TxMailbox 1 transmit failure due to transmit error */ 300 #define HAL_CAN_ERROR_TX_ALST2 (0x00008000U) /*!< TxMailbox 2 transmit failure due to arbitration lost */ 301 #define HAL_CAN_ERROR_TX_TERR2 (0x00010000U) /*!< TxMailbox 2 transmit failure due to transmit error */ 302 #define HAL_CAN_ERROR_TIMEOUT (0x00020000U) /*!< Timeout error */ 303 #define HAL_CAN_ERROR_NOT_INITIALIZED (0x00040000U) /*!< Peripheral not initialized */ 304 #define HAL_CAN_ERROR_NOT_READY (0x00080000U) /*!< Peripheral not ready */ 305 #define HAL_CAN_ERROR_NOT_STARTED (0x00100000U) /*!< Peripheral not started */ 306 #define HAL_CAN_ERROR_PARAM (0x00200000U) /*!< Parameter error */ 307 308 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 309 #define HAL_CAN_ERROR_INVALID_CALLBACK (0x00400000U) /*!< Invalid Callback error */ 310 #endif /* USE_HAL_CAN_REGISTER_CALLBACKS */ 311 #define HAL_CAN_ERROR_INTERNAL (0x00800000U) /*!< Internal error */ 312 313 /** 314 * @} 315 */ 316 317 /** @defgroup CAN_InitStatus CAN InitStatus 318 * @{ 319 */ 320 #define CAN_INITSTATUS_FAILED (0x00000000U) /*!< CAN initialization failed */ 321 #define CAN_INITSTATUS_SUCCESS (0x00000001U) /*!< CAN initialization OK */ 322 /** 323 * @} 324 */ 325 326 /** @defgroup CAN_operating_mode CAN Operating Mode 327 * @{ 328 */ 329 #define CAN_MODE_NORMAL (0x00000000U) /*!< Normal mode */ 330 #define CAN_MODE_LOOPBACK ((uint32_t)CAN_BTR_LBKM) /*!< Loopback mode */ 331 #define CAN_MODE_SILENT ((uint32_t)CAN_BTR_SILM) /*!< Silent mode */ 332 #define CAN_MODE_SILENT_LOOPBACK ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM)) /*!< Loopback combined with silent mode */ 333 /** 334 * @} 335 */ 336 337 338 /** @defgroup CAN_synchronisation_jump_width CAN Synchronization Jump Width 339 * @{ 340 */ 341 #define CAN_SJW_1TQ (0x00000000U) /*!< 1 time quantum */ 342 #define CAN_SJW_2TQ ((uint32_t)CAN_BTR_SJW_0) /*!< 2 time quantum */ 343 #define CAN_SJW_3TQ ((uint32_t)CAN_BTR_SJW_1) /*!< 3 time quantum */ 344 #define CAN_SJW_4TQ ((uint32_t)CAN_BTR_SJW) /*!< 4 time quantum */ 345 /** 346 * @} 347 */ 348 349 /** @defgroup CAN_time_quantum_in_bit_segment_1 CAN Time Quantum in Bit Segment 1 350 * @{ 351 */ 352 #define CAN_BS1_1TQ (0x00000000U) /*!< 1 time quantum */ 353 #define CAN_BS1_2TQ ((uint32_t)CAN_BTR_TS1_0) /*!< 2 time quantum */ 354 #define CAN_BS1_3TQ ((uint32_t)CAN_BTR_TS1_1) /*!< 3 time quantum */ 355 #define CAN_BS1_4TQ ((uint32_t)(CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 4 time quantum */ 356 #define CAN_BS1_5TQ ((uint32_t)CAN_BTR_TS1_2) /*!< 5 time quantum */ 357 #define CAN_BS1_6TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 6 time quantum */ 358 #define CAN_BS1_7TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 7 time quantum */ 359 #define CAN_BS1_8TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 8 time quantum */ 360 #define CAN_BS1_9TQ ((uint32_t)CAN_BTR_TS1_3) /*!< 9 time quantum */ 361 #define CAN_BS1_10TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_0)) /*!< 10 time quantum */ 362 #define CAN_BS1_11TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1)) /*!< 11 time quantum */ 363 #define CAN_BS1_12TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 12 time quantum */ 364 #define CAN_BS1_13TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2)) /*!< 13 time quantum */ 365 #define CAN_BS1_14TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 14 time quantum */ 366 #define CAN_BS1_15TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 15 time quantum */ 367 #define CAN_BS1_16TQ ((uint32_t)CAN_BTR_TS1) /*!< 16 time quantum */ 368 /** 369 * @} 370 */ 371 372 /** @defgroup CAN_time_quantum_in_bit_segment_2 CAN Time Quantum in Bit Segment 2 373 * @{ 374 */ 375 #define CAN_BS2_1TQ (0x00000000U) /*!< 1 time quantum */ 376 #define CAN_BS2_2TQ ((uint32_t)CAN_BTR_TS2_0) /*!< 2 time quantum */ 377 #define CAN_BS2_3TQ ((uint32_t)CAN_BTR_TS2_1) /*!< 3 time quantum */ 378 #define CAN_BS2_4TQ ((uint32_t)(CAN_BTR_TS2_1 | CAN_BTR_TS2_0)) /*!< 4 time quantum */ 379 #define CAN_BS2_5TQ ((uint32_t)CAN_BTR_TS2_2) /*!< 5 time quantum */ 380 #define CAN_BS2_6TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_0)) /*!< 6 time quantum */ 381 #define CAN_BS2_7TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_1)) /*!< 7 time quantum */ 382 #define CAN_BS2_8TQ ((uint32_t)CAN_BTR_TS2) /*!< 8 time quantum */ 383 /** 384 * @} 385 */ 386 387 /** @defgroup CAN_filter_mode CAN Filter Mode 388 * @{ 389 */ 390 #define CAN_FILTERMODE_IDMASK (0x00000000U) /*!< Identifier mask mode */ 391 #define CAN_FILTERMODE_IDLIST (0x00000001U) /*!< Identifier list mode */ 392 /** 393 * @} 394 */ 395 396 /** @defgroup CAN_filter_scale CAN Filter Scale 397 * @{ 398 */ 399 #define CAN_FILTERSCALE_16BIT (0x00000000U) /*!< Two 16-bit filters */ 400 #define CAN_FILTERSCALE_32BIT (0x00000001U) /*!< One 32-bit filter */ 401 /** 402 * @} 403 */ 404 405 /** @defgroup CAN_filter_activation CAN Filter Activation 406 * @{ 407 */ 408 #define CAN_FILTER_DISABLE (0x00000000U) /*!< Disable filter */ 409 #define CAN_FILTER_ENABLE (0x00000001U) /*!< Enable filter */ 410 /** 411 * @} 412 */ 413 414 /** @defgroup CAN_filter_FIFO CAN Filter FIFO 415 * @{ 416 */ 417 #define CAN_FILTER_FIFO0 (0x00000000U) /*!< Filter FIFO 0 assignment for filter x */ 418 #define CAN_FILTER_FIFO1 (0x00000001U) /*!< Filter FIFO 1 assignment for filter x */ 419 /** 420 * @} 421 */ 422 423 /** @defgroup CAN_identifier_type CAN Identifier Type 424 * @{ 425 */ 426 #define CAN_ID_STD (0x00000000U) /*!< Standard Id */ 427 #define CAN_ID_EXT (0x00000004U) /*!< Extended Id */ 428 /** 429 * @} 430 */ 431 432 /** @defgroup CAN_remote_transmission_request CAN Remote Transmission Request 433 * @{ 434 */ 435 #define CAN_RTR_DATA (0x00000000U) /*!< Data frame */ 436 #define CAN_RTR_REMOTE (0x00000002U) /*!< Remote frame */ 437 /** 438 * @} 439 */ 440 441 /** @defgroup CAN_receive_FIFO_number CAN Receive FIFO Number 442 * @{ 443 */ 444 #define CAN_RX_FIFO0 (0x00000000U) /*!< CAN receive FIFO 0 */ 445 #define CAN_RX_FIFO1 (0x00000001U) /*!< CAN receive FIFO 1 */ 446 /** 447 * @} 448 */ 449 450 /** @defgroup CAN_Tx_Mailboxes CAN Tx Mailboxes 451 * @{ 452 */ 453 #define CAN_TX_MAILBOX0 (0x00000001U) /*!< Tx Mailbox 0 */ 454 #define CAN_TX_MAILBOX1 (0x00000002U) /*!< Tx Mailbox 1 */ 455 #define CAN_TX_MAILBOX2 (0x00000004U) /*!< Tx Mailbox 2 */ 456 /** 457 * @} 458 */ 459 460 /** @defgroup CAN_flags CAN Flags 461 * @{ 462 */ 463 /* Transmit Flags */ 464 #define CAN_FLAG_RQCP0 (0x00000500U) /*!< Request complete MailBox 0 flag */ 465 #define CAN_FLAG_TXOK0 (0x00000501U) /*!< Transmission OK MailBox 0 flag */ 466 #define CAN_FLAG_ALST0 (0x00000502U) /*!< Arbitration Lost MailBox 0 flag */ 467 #define CAN_FLAG_TERR0 (0x00000503U) /*!< Transmission error MailBox 0 flag */ 468 #define CAN_FLAG_RQCP1 (0x00000508U) /*!< Request complete MailBox1 flag */ 469 #define CAN_FLAG_TXOK1 (0x00000509U) /*!< Transmission OK MailBox 1 flag */ 470 #define CAN_FLAG_ALST1 (0x0000050AU) /*!< Arbitration Lost MailBox 1 flag */ 471 #define CAN_FLAG_TERR1 (0x0000050BU) /*!< Transmission error MailBox 1 flag */ 472 #define CAN_FLAG_RQCP2 (0x00000510U) /*!< Request complete MailBox2 flag */ 473 #define CAN_FLAG_TXOK2 (0x00000511U) /*!< Transmission OK MailBox 2 flag */ 474 #define CAN_FLAG_ALST2 (0x00000512U) /*!< Arbitration Lost MailBox 2 flag */ 475 #define CAN_FLAG_TERR2 (0x00000513U) /*!< Transmission error MailBox 2 flag */ 476 #define CAN_FLAG_TME0 (0x0000051AU) /*!< Transmit mailbox 0 empty flag */ 477 #define CAN_FLAG_TME1 (0x0000051BU) /*!< Transmit mailbox 1 empty flag */ 478 #define CAN_FLAG_TME2 (0x0000051CU) /*!< Transmit mailbox 2 empty flag */ 479 #define CAN_FLAG_LOW0 (0x0000051DU) /*!< Lowest priority mailbox 0 flag */ 480 #define CAN_FLAG_LOW1 (0x0000051EU) /*!< Lowest priority mailbox 1 flag */ 481 #define CAN_FLAG_LOW2 (0x0000051FU) /*!< Lowest priority mailbox 2 flag */ 482 483 /* Receive Flags */ 484 #define CAN_FLAG_FF0 (0x00000203U) /*!< RX FIFO 0 Full flag */ 485 #define CAN_FLAG_FOV0 (0x00000204U) /*!< RX FIFO 0 Overrun flag */ 486 #define CAN_FLAG_FF1 (0x00000403U) /*!< RX FIFO 1 Full flag */ 487 #define CAN_FLAG_FOV1 (0x00000404U) /*!< RX FIFO 1 Overrun flag */ 488 489 /* Operating Mode Flags */ 490 #define CAN_FLAG_INAK (0x00000100U) /*!< Initialization acknowledge flag */ 491 #define CAN_FLAG_SLAK (0x00000101U) /*!< Sleep acknowledge flag */ 492 #define CAN_FLAG_ERRI (0x00000102U) /*!< Error flag */ 493 #define CAN_FLAG_WKU (0x00000103U) /*!< Wake up interrupt flag */ 494 #define CAN_FLAG_SLAKI (0x00000104U) /*!< Sleep acknowledge interrupt flag */ 495 496 /* Error Flags */ 497 #define CAN_FLAG_EWG (0x00000300U) /*!< Error warning flag */ 498 #define CAN_FLAG_EPV (0x00000301U) /*!< Error passive flag */ 499 #define CAN_FLAG_BOF (0x00000302U) /*!< Bus-Off flag */ 500 /** 501 * @} 502 */ 503 504 505 /** @defgroup CAN_Interrupts CAN Interrupts 506 * @{ 507 */ 508 /* Transmit Interrupt */ 509 #define CAN_IT_TX_MAILBOX_EMPTY ((uint32_t)CAN_IER_TMEIE) /*!< Transmit mailbox empty interrupt */ 510 511 /* Receive Interrupts */ 512 #define CAN_IT_RX_FIFO0_MSG_PENDING ((uint32_t)CAN_IER_FMPIE0) /*!< FIFO 0 message pending interrupt */ 513 #define CAN_IT_RX_FIFO0_FULL ((uint32_t)CAN_IER_FFIE0) /*!< FIFO 0 full interrupt */ 514 #define CAN_IT_RX_FIFO0_OVERRUN ((uint32_t)CAN_IER_FOVIE0) /*!< FIFO 0 overrun interrupt */ 515 #define CAN_IT_RX_FIFO1_MSG_PENDING ((uint32_t)CAN_IER_FMPIE1) /*!< FIFO 1 message pending interrupt */ 516 #define CAN_IT_RX_FIFO1_FULL ((uint32_t)CAN_IER_FFIE1) /*!< FIFO 1 full interrupt */ 517 #define CAN_IT_RX_FIFO1_OVERRUN ((uint32_t)CAN_IER_FOVIE1) /*!< FIFO 1 overrun interrupt */ 518 519 /* Operating Mode Interrupts */ 520 #define CAN_IT_WAKEUP ((uint32_t)CAN_IER_WKUIE) /*!< Wake-up interrupt */ 521 #define CAN_IT_SLEEP_ACK ((uint32_t)CAN_IER_SLKIE) /*!< Sleep acknowledge interrupt */ 522 523 /* Error Interrupts */ 524 #define CAN_IT_ERROR_WARNING ((uint32_t)CAN_IER_EWGIE) /*!< Error warning interrupt */ 525 #define CAN_IT_ERROR_PASSIVE ((uint32_t)CAN_IER_EPVIE) /*!< Error passive interrupt */ 526 #define CAN_IT_BUSOFF ((uint32_t)CAN_IER_BOFIE) /*!< Bus-off interrupt */ 527 #define CAN_IT_LAST_ERROR_CODE ((uint32_t)CAN_IER_LECIE) /*!< Last error code interrupt */ 528 #define CAN_IT_ERROR ((uint32_t)CAN_IER_ERRIE) /*!< Error Interrupt */ 529 /** 530 * @} 531 */ 532 533 /** 534 * @} 535 */ 536 537 /* Exported macros -----------------------------------------------------------*/ 538 /** @defgroup CAN_Exported_Macros CAN Exported Macros 539 * @{ 540 */ 541 542 /** @brief Reset CAN handle state 543 * @param __HANDLE__ CAN handle. 544 * @retval None 545 */ 546 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 547 #define __HAL_CAN_RESET_HANDLE_STATE(__HANDLE__) do{ \ 548 (__HANDLE__)->State = HAL_CAN_STATE_RESET; \ 549 (__HANDLE__)->MspInitCallback = NULL; \ 550 (__HANDLE__)->MspDeInitCallback = NULL; \ 551 } while(0) 552 #else 553 #define __HAL_CAN_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CAN_STATE_RESET) 554 #endif /*USE_HAL_CAN_REGISTER_CALLBACKS */ 555 556 /** 557 * @brief Enable the specified CAN interrupts. 558 * @param __HANDLE__ CAN handle. 559 * @param __INTERRUPT__ CAN Interrupt sources to enable. 560 * This parameter can be any combination of @arg CAN_Interrupts 561 * @retval None 562 */ 563 #define __HAL_CAN_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) |= (__INTERRUPT__)) 564 565 /** 566 * @brief Disable the specified CAN interrupts. 567 * @param __HANDLE__ CAN handle. 568 * @param __INTERRUPT__ CAN Interrupt sources to disable. 569 * This parameter can be any combination of @arg CAN_Interrupts 570 * @retval None 571 */ 572 #define __HAL_CAN_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) &= ~(__INTERRUPT__)) 573 574 /** @brief Check if the specified CAN interrupt source is enabled or disabled. 575 * @param __HANDLE__ specifies the CAN Handle. 576 * @param __INTERRUPT__ specifies the CAN interrupt source to check. 577 * This parameter can be a value of @arg CAN_Interrupts 578 * @retval The state of __IT__ (TRUE or FALSE). 579 */ 580 #define __HAL_CAN_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) & (__INTERRUPT__)) 581 582 /** @brief Check whether the specified CAN flag is set or not. 583 * @param __HANDLE__ specifies the CAN Handle. 584 * @param __FLAG__ specifies the flag to check. 585 * This parameter can be one of @arg CAN_flags 586 * @retval The state of __FLAG__ (TRUE or FALSE). 587 */ 588 #define __HAL_CAN_GET_FLAG(__HANDLE__, __FLAG__) \ 589 ((((__FLAG__) >> 8U) == 5U)? ((((__HANDLE__)->Instance->TSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 590 (((__FLAG__) >> 8U) == 2U)? ((((__HANDLE__)->Instance->RF0R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 591 (((__FLAG__) >> 8U) == 4U)? ((((__HANDLE__)->Instance->RF1R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 592 (((__FLAG__) >> 8U) == 1U)? ((((__HANDLE__)->Instance->MSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 593 (((__FLAG__) >> 8U) == 3U)? ((((__HANDLE__)->Instance->ESR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U) 594 595 /** @brief Clear the specified CAN pending flag. 596 * @param __HANDLE__ specifies the CAN Handle. 597 * @param __FLAG__ specifies the flag to check. 598 * This parameter can be one of the following values: 599 * @arg CAN_FLAG_RQCP0: Request complete MailBox 0 Flag 600 * @arg CAN_FLAG_TXOK0: Transmission OK MailBox 0 Flag 601 * @arg CAN_FLAG_ALST0: Arbitration Lost MailBox 0 Flag 602 * @arg CAN_FLAG_TERR0: Transmission error MailBox 0 Flag 603 * @arg CAN_FLAG_RQCP1: Request complete MailBox 1 Flag 604 * @arg CAN_FLAG_TXOK1: Transmission OK MailBox 1 Flag 605 * @arg CAN_FLAG_ALST1: Arbitration Lost MailBox 1 Flag 606 * @arg CAN_FLAG_TERR1: Transmission error MailBox 1 Flag 607 * @arg CAN_FLAG_RQCP2: Request complete MailBox 2 Flag 608 * @arg CAN_FLAG_TXOK2: Transmission OK MailBox 2 Flag 609 * @arg CAN_FLAG_ALST2: Arbitration Lost MailBox 2 Flag 610 * @arg CAN_FLAG_TERR2: Transmission error MailBox 2 Flag 611 * @arg CAN_FLAG_FF0: RX FIFO 0 Full Flag 612 * @arg CAN_FLAG_FOV0: RX FIFO 0 Overrun Flag 613 * @arg CAN_FLAG_FF1: RX FIFO 1 Full Flag 614 * @arg CAN_FLAG_FOV1: RX FIFO 1 Overrun Flag 615 * @arg CAN_FLAG_WKUI: Wake up Interrupt Flag 616 * @arg CAN_FLAG_SLAKI: Sleep acknowledge Interrupt Flag 617 * @retval None 618 */ 619 #define __HAL_CAN_CLEAR_FLAG(__HANDLE__, __FLAG__) \ 620 ((((__FLAG__) >> 8U) == 5U)? (((__HANDLE__)->Instance->TSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 621 (((__FLAG__) >> 8U) == 2U)? (((__HANDLE__)->Instance->RF0R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 622 (((__FLAG__) >> 8U) == 4U)? (((__HANDLE__)->Instance->RF1R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 623 (((__FLAG__) >> 8U) == 1U)? (((__HANDLE__)->Instance->MSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U) 624 625 /** 626 * @} 627 */ 628 629 /* Exported functions --------------------------------------------------------*/ 630 /** @addtogroup CAN_Exported_Functions CAN Exported Functions 631 * @{ 632 */ 633 634 /** @addtogroup CAN_Exported_Functions_Group1 Initialization and de-initialization functions 635 * @brief Initialization and Configuration functions 636 * @{ 637 */ 638 639 /* Initialization and de-initialization functions *****************************/ 640 HAL_StatusTypeDef HAL_CAN_Init(CAN_HandleTypeDef *hcan); 641 HAL_StatusTypeDef HAL_CAN_DeInit(CAN_HandleTypeDef *hcan); 642 void HAL_CAN_MspInit(CAN_HandleTypeDef *hcan); 643 void HAL_CAN_MspDeInit(CAN_HandleTypeDef *hcan); 644 645 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 646 /* Callbacks Register/UnRegister functions ***********************************/ 647 HAL_StatusTypeDef HAL_CAN_RegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID, void (* pCallback)(CAN_HandleTypeDef *_hcan)); 648 HAL_StatusTypeDef HAL_CAN_UnRegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID); 649 650 #endif /* (USE_HAL_CAN_REGISTER_CALLBACKS) */ 651 /** 652 * @} 653 */ 654 655 /** @addtogroup CAN_Exported_Functions_Group2 Configuration functions 656 * @brief Configuration functions 657 * @{ 658 */ 659 660 /* Configuration functions ****************************************************/ 661 HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef *hcan, CAN_FilterTypeDef *sFilterConfig); 662 663 /** 664 * @} 665 */ 666 667 /** @addtogroup CAN_Exported_Functions_Group3 Control functions 668 * @brief Control functions 669 * @{ 670 */ 671 672 /* Control functions **********************************************************/ 673 HAL_StatusTypeDef HAL_CAN_Start(CAN_HandleTypeDef *hcan); 674 HAL_StatusTypeDef HAL_CAN_Stop(CAN_HandleTypeDef *hcan); 675 HAL_StatusTypeDef HAL_CAN_RequestSleep(CAN_HandleTypeDef *hcan); 676 HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef *hcan); 677 uint32_t HAL_CAN_IsSleepActive(CAN_HandleTypeDef *hcan); 678 HAL_StatusTypeDef HAL_CAN_AddTxMessage(CAN_HandleTypeDef *hcan, CAN_TxHeaderTypeDef *pHeader, uint8_t aData[], uint32_t *pTxMailbox); 679 HAL_StatusTypeDef HAL_CAN_AbortTxRequest(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes); 680 uint32_t HAL_CAN_GetTxMailboxesFreeLevel(CAN_HandleTypeDef *hcan); 681 uint32_t HAL_CAN_IsTxMessagePending(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes); 682 uint32_t HAL_CAN_GetTxTimestamp(CAN_HandleTypeDef *hcan, uint32_t TxMailbox); 683 HAL_StatusTypeDef HAL_CAN_GetRxMessage(CAN_HandleTypeDef *hcan, uint32_t RxFifo, CAN_RxHeaderTypeDef *pHeader, uint8_t aData[]); 684 uint32_t HAL_CAN_GetRxFifoFillLevel(CAN_HandleTypeDef *hcan, uint32_t RxFifo); 685 686 /** 687 * @} 688 */ 689 690 /** @addtogroup CAN_Exported_Functions_Group4 Interrupts management 691 * @brief Interrupts management 692 * @{ 693 */ 694 /* Interrupts management ******************************************************/ 695 HAL_StatusTypeDef HAL_CAN_ActivateNotification(CAN_HandleTypeDef *hcan, uint32_t ActiveITs); 696 HAL_StatusTypeDef HAL_CAN_DeactivateNotification(CAN_HandleTypeDef *hcan, uint32_t InactiveITs); 697 void HAL_CAN_IRQHandler(CAN_HandleTypeDef *hcan); 698 699 /** 700 * @} 701 */ 702 703 /** @addtogroup CAN_Exported_Functions_Group5 Callback functions 704 * @brief Callback functions 705 * @{ 706 */ 707 /* Callbacks functions ********************************************************/ 708 709 void HAL_CAN_TxMailbox0CompleteCallback(CAN_HandleTypeDef *hcan); 710 void HAL_CAN_TxMailbox1CompleteCallback(CAN_HandleTypeDef *hcan); 711 void HAL_CAN_TxMailbox2CompleteCallback(CAN_HandleTypeDef *hcan); 712 void HAL_CAN_TxMailbox0AbortCallback(CAN_HandleTypeDef *hcan); 713 void HAL_CAN_TxMailbox1AbortCallback(CAN_HandleTypeDef *hcan); 714 void HAL_CAN_TxMailbox2AbortCallback(CAN_HandleTypeDef *hcan); 715 void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan); 716 void HAL_CAN_RxFifo0FullCallback(CAN_HandleTypeDef *hcan); 717 void HAL_CAN_RxFifo1MsgPendingCallback(CAN_HandleTypeDef *hcan); 718 void HAL_CAN_RxFifo1FullCallback(CAN_HandleTypeDef *hcan); 719 void HAL_CAN_SleepCallback(CAN_HandleTypeDef *hcan); 720 void HAL_CAN_WakeUpFromRxMsgCallback(CAN_HandleTypeDef *hcan); 721 void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan); 722 723 /** 724 * @} 725 */ 726 727 /** @addtogroup CAN_Exported_Functions_Group6 Peripheral State and Error functions 728 * @brief CAN Peripheral State functions 729 * @{ 730 */ 731 /* Peripheral State and Error functions ***************************************/ 732 HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef *hcan); 733 uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan); 734 HAL_StatusTypeDef HAL_CAN_ResetError(CAN_HandleTypeDef *hcan); 735 736 /** 737 * @} 738 */ 739 740 /** 741 * @} 742 */ 743 744 /* Private types -------------------------------------------------------------*/ 745 /** @defgroup CAN_Private_Types CAN Private Types 746 * @{ 747 */ 748 749 /** 750 * @} 751 */ 752 753 /* Private variables ---------------------------------------------------------*/ 754 /** @defgroup CAN_Private_Variables CAN Private Variables 755 * @{ 756 */ 757 758 /** 759 * @} 760 */ 761 762 /* Private constants ---------------------------------------------------------*/ 763 /** @defgroup CAN_Private_Constants CAN Private Constants 764 * @{ 765 */ 766 #define CAN_FLAG_MASK (0x000000FFU) 767 /** 768 * @} 769 */ 770 771 /* Private Macros -----------------------------------------------------------*/ 772 /** @defgroup CAN_Private_Macros CAN Private Macros 773 * @{ 774 */ 775 776 #define IS_CAN_MODE(MODE) (((MODE) == CAN_MODE_NORMAL) || \ 777 ((MODE) == CAN_MODE_LOOPBACK)|| \ 778 ((MODE) == CAN_MODE_SILENT) || \ 779 ((MODE) == CAN_MODE_SILENT_LOOPBACK)) 780 #define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1TQ) || ((SJW) == CAN_SJW_2TQ) || \ 781 ((SJW) == CAN_SJW_3TQ) || ((SJW) == CAN_SJW_4TQ)) 782 #define IS_CAN_BS1(BS1) (((BS1) == CAN_BS1_1TQ) || ((BS1) == CAN_BS1_2TQ) || \ 783 ((BS1) == CAN_BS1_3TQ) || ((BS1) == CAN_BS1_4TQ) || \ 784 ((BS1) == CAN_BS1_5TQ) || ((BS1) == CAN_BS1_6TQ) || \ 785 ((BS1) == CAN_BS1_7TQ) || ((BS1) == CAN_BS1_8TQ) || \ 786 ((BS1) == CAN_BS1_9TQ) || ((BS1) == CAN_BS1_10TQ)|| \ 787 ((BS1) == CAN_BS1_11TQ)|| ((BS1) == CAN_BS1_12TQ)|| \ 788 ((BS1) == CAN_BS1_13TQ)|| ((BS1) == CAN_BS1_14TQ)|| \ 789 ((BS1) == CAN_BS1_15TQ)|| ((BS1) == CAN_BS1_16TQ)) 790 #define IS_CAN_BS2(BS2) (((BS2) == CAN_BS2_1TQ) || ((BS2) == CAN_BS2_2TQ) || \ 791 ((BS2) == CAN_BS2_3TQ) || ((BS2) == CAN_BS2_4TQ) || \ 792 ((BS2) == CAN_BS2_5TQ) || ((BS2) == CAN_BS2_6TQ) || \ 793 ((BS2) == CAN_BS2_7TQ) || ((BS2) == CAN_BS2_8TQ)) 794 #define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1U) && ((PRESCALER) <= 1024U)) 795 #define IS_CAN_FILTER_ID_HALFWORD(HALFWORD) ((HALFWORD) <= 0xFFFFU) 796 #define IS_CAN_FILTER_BANK_DUAL(BANK) ((BANK) <= 27U) 797 #define IS_CAN_FILTER_BANK_SINGLE(BANK) ((BANK) <= 13U) 798 #define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FILTERMODE_IDMASK) || \ 799 ((MODE) == CAN_FILTERMODE_IDLIST)) 800 #define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FILTERSCALE_16BIT) || \ 801 ((SCALE) == CAN_FILTERSCALE_32BIT)) 802 #define IS_CAN_FILTER_ACTIVATION(ACTIVATION) (((ACTIVATION) == CAN_FILTER_DISABLE) || \ 803 ((ACTIVATION) == CAN_FILTER_ENABLE)) 804 #define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FILTER_FIFO0) || \ 805 ((FIFO) == CAN_FILTER_FIFO1)) 806 #define IS_CAN_TX_MAILBOX(TRANSMITMAILBOX) (((TRANSMITMAILBOX) == CAN_TX_MAILBOX0 ) || \ 807 ((TRANSMITMAILBOX) == CAN_TX_MAILBOX1 ) || \ 808 ((TRANSMITMAILBOX) == CAN_TX_MAILBOX2 )) 809 #define IS_CAN_TX_MAILBOX_LIST(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= (CAN_TX_MAILBOX0 | CAN_TX_MAILBOX1 | CAN_TX_MAILBOX2)) 810 #define IS_CAN_STDID(STDID) ((STDID) <= 0x7FFU) 811 #define IS_CAN_EXTID(EXTID) ((EXTID) <= 0x1FFFFFFFU) 812 #define IS_CAN_DLC(DLC) ((DLC) <= 8U) 813 #define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_ID_STD) || \ 814 ((IDTYPE) == CAN_ID_EXT)) 815 #define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_DATA) || ((RTR) == CAN_RTR_REMOTE)) 816 #define IS_CAN_RX_FIFO(FIFO) (((FIFO) == CAN_RX_FIFO0) || ((FIFO) == CAN_RX_FIFO1)) 817 #define IS_CAN_IT(IT) ((IT) <= (CAN_IT_TX_MAILBOX_EMPTY | CAN_IT_RX_FIFO0_MSG_PENDING | \ 818 CAN_IT_RX_FIFO0_FULL | CAN_IT_RX_FIFO0_OVERRUN | \ 819 CAN_IT_RX_FIFO1_MSG_PENDING | CAN_IT_RX_FIFO1_FULL | \ 820 CAN_IT_RX_FIFO1_OVERRUN | CAN_IT_WAKEUP | \ 821 CAN_IT_SLEEP_ACK | CAN_IT_ERROR_WARNING | \ 822 CAN_IT_ERROR_PASSIVE | CAN_IT_BUSOFF | \ 823 CAN_IT_LAST_ERROR_CODE | CAN_IT_ERROR)) 824 825 /** 826 * @} 827 */ 828 /* End of private macros -----------------------------------------------------*/ 829 830 /** 831 * @} 832 */ 833 834 835 #endif /* CAN1 */ 836 /** 837 * @} 838 */ 839 840 #ifdef __cplusplus 841 } 842 #endif 843 844 #endif /* STM32F4xx_HAL_CAN_H */ 845