1 /** 2 ****************************************************************************** 3 * @file stm32f1xx_hal_can.h 4 * @author MCD Application Team 5 * @brief Header file of CAN HAL module. 6 ****************************************************************************** 7 * @attention 8 * 9 * <h2><center>© 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 STM32F1xx_HAL_CAN_H 22 #define STM32F1xx_HAL_CAN_H 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /* Includes ------------------------------------------------------------------*/ 29 #include "stm32f1xx_hal_def.h" 30 31 /** @addtogroup STM32F1xx_HAL_Driver 32 * @{ 33 */ 34 35 #if defined (CAN1) 36 /** @addtogroup CAN 37 * @{ 38 */ 39 40 /* Exported types ------------------------------------------------------------*/ 41 /** @defgroup CAN_Exported_Types CAN Exported Types 42 * @{ 43 */ 44 /** 45 * @brief HAL State structures definition 46 */ 47 typedef enum 48 { 49 HAL_CAN_STATE_RESET = 0x00U, /*!< CAN not yet initialized or disabled */ 50 HAL_CAN_STATE_READY = 0x01U, /*!< CAN initialized and ready for use */ 51 HAL_CAN_STATE_LISTENING = 0x02U, /*!< CAN receive process is ongoing */ 52 HAL_CAN_STATE_SLEEP_PENDING = 0x03U, /*!< CAN sleep request is pending */ 53 HAL_CAN_STATE_SLEEP_ACTIVE = 0x04U, /*!< CAN sleep mode is active */ 54 HAL_CAN_STATE_ERROR = 0x05U /*!< CAN error state */ 55 56 } HAL_CAN_StateTypeDef; 57 58 /** 59 * @brief CAN init structure definition 60 */ 61 typedef struct 62 { 63 uint32_t Prescaler; /*!< Specifies the length of a time quantum. 64 This parameter must be a number between Min_Data = 1 and Max_Data = 1024. */ 65 66 uint32_t Mode; /*!< Specifies the CAN operating mode. 67 This parameter can be a value of @ref CAN_operating_mode */ 68 69 uint32_t SyncJumpWidth; /*!< Specifies the maximum number of time quanta the CAN hardware 70 is allowed to lengthen or shorten a bit to perform resynchronization. 71 This parameter can be a value of @ref CAN_synchronisation_jump_width */ 72 73 uint32_t TimeSeg1; /*!< Specifies the number of time quanta in Bit Segment 1. 74 This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_1 */ 75 76 uint32_t TimeSeg2; /*!< Specifies the number of time quanta in Bit Segment 2. 77 This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */ 78 79 FunctionalState TimeTriggeredMode; /*!< Enable or disable the time triggered communication mode. 80 This parameter can be set to ENABLE or DISABLE. */ 81 82 FunctionalState AutoBusOff; /*!< Enable or disable the automatic bus-off management. 83 This parameter can be set to ENABLE or DISABLE. */ 84 85 FunctionalState AutoWakeUp; /*!< Enable or disable the automatic wake-up mode. 86 This parameter can be set to ENABLE or DISABLE. */ 87 88 FunctionalState AutoRetransmission; /*!< Enable or disable the non-automatic retransmission mode. 89 This parameter can be set to ENABLE or DISABLE. */ 90 91 FunctionalState ReceiveFifoLocked; /*!< Enable or disable the Receive FIFO Locked mode. 92 This parameter can be set to ENABLE or DISABLE. */ 93 94 FunctionalState TransmitFifoPriority;/*!< Enable or disable the transmit FIFO priority. 95 This parameter can be set to ENABLE or DISABLE. */ 96 97 } CAN_InitTypeDef; 98 99 /** 100 * @brief CAN filter configuration structure definition 101 */ 102 typedef struct 103 { 104 uint32_t FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit 105 configuration, first one for a 16-bit configuration). 106 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 107 108 uint32_t FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit 109 configuration, second one for a 16-bit configuration). 110 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 111 112 uint32_t FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number, 113 according to the mode (MSBs for a 32-bit configuration, 114 first one for a 16-bit configuration). 115 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 116 117 uint32_t FilterMaskIdLow; /*!< Specifies the filter mask number or identification number, 118 according to the mode (LSBs for a 32-bit configuration, 119 second one for a 16-bit configuration). 120 This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */ 121 122 uint32_t FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1U) which will be assigned to the filter. 123 This parameter can be a value of @ref CAN_filter_FIFO */ 124 125 uint32_t FilterBank; /*!< Specifies the filter bank which will be initialized. 126 For single CAN instance(14 dedicated filter banks), 127 this parameter must be a number between Min_Data = 0 and Max_Data = 13. 128 For dual CAN instances(28 filter banks shared), 129 this parameter must be a number between Min_Data = 0 and Max_Data = 27. */ 130 131 uint32_t FilterMode; /*!< Specifies the filter mode to be initialized. 132 This parameter can be a value of @ref CAN_filter_mode */ 133 134 uint32_t FilterScale; /*!< Specifies the filter scale. 135 This parameter can be a value of @ref CAN_filter_scale */ 136 137 uint32_t FilterActivation; /*!< Enable or disable the filter. 138 This parameter can be a value of @ref CAN_filter_activation */ 139 140 uint32_t SlaveStartFilterBank; /*!< Select the start filter bank for the slave CAN instance. 141 For single CAN instances, this parameter is meaningless. 142 For dual CAN instances, all filter banks with lower index are assigned to master 143 CAN instance, whereas all filter banks with greater index are assigned to slave 144 CAN instance. 145 This parameter must be a number between Min_Data = 0 and Max_Data = 27. */ 146 147 } CAN_FilterTypeDef; 148 149 /** 150 * @brief CAN Tx message header structure definition 151 */ 152 typedef struct 153 { 154 uint32_t StdId; /*!< Specifies the standard identifier. 155 This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF. */ 156 157 uint32_t ExtId; /*!< Specifies the extended identifier. 158 This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF. */ 159 160 uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted. 161 This parameter can be a value of @ref CAN_identifier_type */ 162 163 uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted. 164 This parameter can be a value of @ref CAN_remote_transmission_request */ 165 166 uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted. 167 This parameter must be a number between Min_Data = 0 and Max_Data = 8. */ 168 169 FunctionalState TransmitGlobalTime; /*!< Specifies whether the timestamp counter value captured on start 170 of frame transmission, is sent in DATA6 and DATA7 replacing pData[6] and pData[7]. 171 @note: Time Triggered Communication Mode must be enabled. 172 @note: DLC must be programmed as 8 bytes, in order these 2 bytes are sent. 173 This parameter can be set to ENABLE or DISABLE. */ 174 175 } CAN_TxHeaderTypeDef; 176 177 /** 178 * @brief CAN Rx message header structure definition 179 */ 180 typedef struct 181 { 182 uint32_t StdId; /*!< Specifies the standard identifier. 183 This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF. */ 184 185 uint32_t ExtId; /*!< Specifies the extended identifier. 186 This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF. */ 187 188 uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted. 189 This parameter can be a value of @ref CAN_identifier_type */ 190 191 uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted. 192 This parameter can be a value of @ref CAN_remote_transmission_request */ 193 194 uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted. 195 This parameter must be a number between Min_Data = 0 and Max_Data = 8. */ 196 197 uint32_t Timestamp; /*!< Specifies the timestamp counter value captured on start of frame reception. 198 @note: Time Triggered Communication Mode must be enabled. 199 This parameter must be a number between Min_Data = 0 and Max_Data = 0xFFFF. */ 200 201 uint32_t FilterMatchIndex; /*!< Specifies the index of matching acceptance filter element. 202 This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF. */ 203 204 } CAN_RxHeaderTypeDef; 205 206 /** 207 * @brief CAN handle Structure definition 208 */ 209 typedef struct __CAN_HandleTypeDef 210 { 211 CAN_TypeDef *Instance; /*!< Register base address */ 212 213 CAN_InitTypeDef Init; /*!< CAN required parameters */ 214 215 __IO HAL_CAN_StateTypeDef State; /*!< CAN communication state */ 216 217 __IO uint32_t ErrorCode; /*!< CAN Error code. 218 This parameter can be a value of @ref CAN_Error_Code */ 219 220 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 221 void (* TxMailbox0CompleteCallback)(struct __CAN_HandleTypeDef *hcan);/*!< CAN Tx Mailbox 0 complete callback */ 222 void (* TxMailbox1CompleteCallback)(struct __CAN_HandleTypeDef *hcan);/*!< CAN Tx Mailbox 1 complete callback */ 223 void (* TxMailbox2CompleteCallback)(struct __CAN_HandleTypeDef *hcan);/*!< CAN Tx Mailbox 2 complete callback */ 224 void (* TxMailbox0AbortCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Tx Mailbox 0 abort callback */ 225 void (* TxMailbox1AbortCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Tx Mailbox 1 abort callback */ 226 void (* TxMailbox2AbortCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Tx Mailbox 2 abort callback */ 227 void (* RxFifo0MsgPendingCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 0 msg pending callback */ 228 void (* RxFifo0FullCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 0 full callback */ 229 void (* RxFifo1MsgPendingCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 1 msg pending callback */ 230 void (* RxFifo1FullCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Rx FIFO 1 full callback */ 231 void (* SleepCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Sleep callback */ 232 void (* WakeUpFromRxMsgCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Wake Up from Rx msg callback */ 233 void (* ErrorCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Error callback */ 234 235 void (* MspInitCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Msp Init callback */ 236 void (* MspDeInitCallback)(struct __CAN_HandleTypeDef *hcan); /*!< CAN Msp DeInit callback */ 237 238 #endif /* (USE_HAL_CAN_REGISTER_CALLBACKS) */ 239 } CAN_HandleTypeDef; 240 241 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 242 /** 243 * @brief HAL CAN common Callback ID enumeration definition 244 */ 245 typedef enum 246 { 247 HAL_CAN_TX_MAILBOX0_COMPLETE_CB_ID = 0x00U, /*!< CAN Tx Mailbox 0 complete callback ID */ 248 HAL_CAN_TX_MAILBOX1_COMPLETE_CB_ID = 0x01U, /*!< CAN Tx Mailbox 1 complete callback ID */ 249 HAL_CAN_TX_MAILBOX2_COMPLETE_CB_ID = 0x02U, /*!< CAN Tx Mailbox 2 complete callback ID */ 250 HAL_CAN_TX_MAILBOX0_ABORT_CB_ID = 0x03U, /*!< CAN Tx Mailbox 0 abort callback ID */ 251 HAL_CAN_TX_MAILBOX1_ABORT_CB_ID = 0x04U, /*!< CAN Tx Mailbox 1 abort callback ID */ 252 HAL_CAN_TX_MAILBOX2_ABORT_CB_ID = 0x05U, /*!< CAN Tx Mailbox 2 abort callback ID */ 253 HAL_CAN_RX_FIFO0_MSG_PENDING_CB_ID = 0x06U, /*!< CAN Rx FIFO 0 message pending callback ID */ 254 HAL_CAN_RX_FIFO0_FULL_CB_ID = 0x07U, /*!< CAN Rx FIFO 0 full callback ID */ 255 HAL_CAN_RX_FIFO1_MSG_PENDING_CB_ID = 0x08U, /*!< CAN Rx FIFO 1 message pending callback ID */ 256 HAL_CAN_RX_FIFO1_FULL_CB_ID = 0x09U, /*!< CAN Rx FIFO 1 full callback ID */ 257 HAL_CAN_SLEEP_CB_ID = 0x0AU, /*!< CAN Sleep callback ID */ 258 HAL_CAN_WAKEUP_FROM_RX_MSG_CB_ID = 0x0BU, /*!< CAN Wake Up from Rx msg callback ID */ 259 HAL_CAN_ERROR_CB_ID = 0x0CU, /*!< CAN Error callback ID */ 260 261 HAL_CAN_MSPINIT_CB_ID = 0x0DU, /*!< CAN MspInit callback ID */ 262 HAL_CAN_MSPDEINIT_CB_ID = 0x0EU, /*!< CAN MspDeInit callback ID */ 263 264 } HAL_CAN_CallbackIDTypeDef; 265 266 /** 267 * @brief HAL CAN Callback pointer definition 268 */ 269 typedef void (*pCAN_CallbackTypeDef)(CAN_HandleTypeDef *hcan); /*!< pointer to a CAN callback function */ 270 271 #endif /* USE_HAL_CAN_REGISTER_CALLBACKS */ 272 /** 273 * @} 274 */ 275 276 /* Exported constants --------------------------------------------------------*/ 277 278 /** @defgroup CAN_Exported_Constants CAN Exported Constants 279 * @{ 280 */ 281 282 /** @defgroup CAN_Error_Code CAN Error Code 283 * @{ 284 */ 285 #define HAL_CAN_ERROR_NONE (0x00000000U) /*!< No error */ 286 #define HAL_CAN_ERROR_EWG (0x00000001U) /*!< Protocol Error Warning */ 287 #define HAL_CAN_ERROR_EPV (0x00000002U) /*!< Error Passive */ 288 #define HAL_CAN_ERROR_BOF (0x00000004U) /*!< Bus-off error */ 289 #define HAL_CAN_ERROR_STF (0x00000008U) /*!< Stuff error */ 290 #define HAL_CAN_ERROR_FOR (0x00000010U) /*!< Form error */ 291 #define HAL_CAN_ERROR_ACK (0x00000020U) /*!< Acknowledgment error */ 292 #define HAL_CAN_ERROR_BR (0x00000040U) /*!< Bit recessive error */ 293 #define HAL_CAN_ERROR_BD (0x00000080U) /*!< Bit dominant error */ 294 #define HAL_CAN_ERROR_CRC (0x00000100U) /*!< CRC error */ 295 #define HAL_CAN_ERROR_RX_FOV0 (0x00000200U) /*!< Rx FIFO0 overrun error */ 296 #define HAL_CAN_ERROR_RX_FOV1 (0x00000400U) /*!< Rx FIFO1 overrun error */ 297 #define HAL_CAN_ERROR_TX_ALST0 (0x00000800U) /*!< TxMailbox 0 transmit failure due to arbitration lost */ 298 #define HAL_CAN_ERROR_TX_TERR0 (0x00001000U) /*!< TxMailbox 0 transmit failure due to transmit error */ 299 #define HAL_CAN_ERROR_TX_ALST1 (0x00002000U) /*!< TxMailbox 1 transmit failure due to arbitration lost */ 300 #define HAL_CAN_ERROR_TX_TERR1 (0x00004000U) /*!< TxMailbox 1 transmit failure due to transmit error */ 301 #define HAL_CAN_ERROR_TX_ALST2 (0x00008000U) /*!< TxMailbox 2 transmit failure due to arbitration lost */ 302 #define HAL_CAN_ERROR_TX_TERR2 (0x00010000U) /*!< TxMailbox 2 transmit failure due to transmit error */ 303 #define HAL_CAN_ERROR_TIMEOUT (0x00020000U) /*!< Timeout error */ 304 #define HAL_CAN_ERROR_NOT_INITIALIZED (0x00040000U) /*!< Peripheral not initialized */ 305 #define HAL_CAN_ERROR_NOT_READY (0x00080000U) /*!< Peripheral not ready */ 306 #define HAL_CAN_ERROR_NOT_STARTED (0x00100000U) /*!< Peripheral not started */ 307 #define HAL_CAN_ERROR_PARAM (0x00200000U) /*!< Parameter error */ 308 309 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 310 #define HAL_CAN_ERROR_INVALID_CALLBACK (0x00400000U) /*!< Invalid Callback error */ 311 #endif /* USE_HAL_CAN_REGISTER_CALLBACKS */ 312 #define HAL_CAN_ERROR_INTERNAL (0x00800000U) /*!< Internal error */ 313 314 /** 315 * @} 316 */ 317 318 /** @defgroup CAN_InitStatus CAN InitStatus 319 * @{ 320 */ 321 #define CAN_INITSTATUS_FAILED (0x00000000U) /*!< CAN initialization failed */ 322 #define CAN_INITSTATUS_SUCCESS (0x00000001U) /*!< CAN initialization OK */ 323 /** 324 * @} 325 */ 326 327 /** @defgroup CAN_operating_mode CAN Operating Mode 328 * @{ 329 */ 330 #define CAN_MODE_NORMAL (0x00000000U) /*!< Normal mode */ 331 #define CAN_MODE_LOOPBACK ((uint32_t)CAN_BTR_LBKM) /*!< Loopback mode */ 332 #define CAN_MODE_SILENT ((uint32_t)CAN_BTR_SILM) /*!< Silent mode */ 333 #define CAN_MODE_SILENT_LOOPBACK ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM)) /*!< Loopback combined with silent mode */ 334 /** 335 * @} 336 */ 337 338 339 /** @defgroup CAN_synchronisation_jump_width CAN Synchronization Jump Width 340 * @{ 341 */ 342 #define CAN_SJW_1TQ (0x00000000U) /*!< 1 time quantum */ 343 #define CAN_SJW_2TQ ((uint32_t)CAN_BTR_SJW_0) /*!< 2 time quantum */ 344 #define CAN_SJW_3TQ ((uint32_t)CAN_BTR_SJW_1) /*!< 3 time quantum */ 345 #define CAN_SJW_4TQ ((uint32_t)CAN_BTR_SJW) /*!< 4 time quantum */ 346 /** 347 * @} 348 */ 349 350 /** @defgroup CAN_time_quantum_in_bit_segment_1 CAN Time Quantum in Bit Segment 1 351 * @{ 352 */ 353 #define CAN_BS1_1TQ (0x00000000U) /*!< 1 time quantum */ 354 #define CAN_BS1_2TQ ((uint32_t)CAN_BTR_TS1_0) /*!< 2 time quantum */ 355 #define CAN_BS1_3TQ ((uint32_t)CAN_BTR_TS1_1) /*!< 3 time quantum */ 356 #define CAN_BS1_4TQ ((uint32_t)(CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 4 time quantum */ 357 #define CAN_BS1_5TQ ((uint32_t)CAN_BTR_TS1_2) /*!< 5 time quantum */ 358 #define CAN_BS1_6TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 6 time quantum */ 359 #define CAN_BS1_7TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 7 time quantum */ 360 #define CAN_BS1_8TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 8 time quantum */ 361 #define CAN_BS1_9TQ ((uint32_t)CAN_BTR_TS1_3) /*!< 9 time quantum */ 362 #define CAN_BS1_10TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_0)) /*!< 10 time quantum */ 363 #define CAN_BS1_11TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1)) /*!< 11 time quantum */ 364 #define CAN_BS1_12TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 12 time quantum */ 365 #define CAN_BS1_13TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2)) /*!< 13 time quantum */ 366 #define CAN_BS1_14TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 14 time quantum */ 367 #define CAN_BS1_15TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 15 time quantum */ 368 #define CAN_BS1_16TQ ((uint32_t)CAN_BTR_TS1) /*!< 16 time quantum */ 369 /** 370 * @} 371 */ 372 373 /** @defgroup CAN_time_quantum_in_bit_segment_2 CAN Time Quantum in Bit Segment 2 374 * @{ 375 */ 376 #define CAN_BS2_1TQ (0x00000000U) /*!< 1 time quantum */ 377 #define CAN_BS2_2TQ ((uint32_t)CAN_BTR_TS2_0) /*!< 2 time quantum */ 378 #define CAN_BS2_3TQ ((uint32_t)CAN_BTR_TS2_1) /*!< 3 time quantum */ 379 #define CAN_BS2_4TQ ((uint32_t)(CAN_BTR_TS2_1 | CAN_BTR_TS2_0)) /*!< 4 time quantum */ 380 #define CAN_BS2_5TQ ((uint32_t)CAN_BTR_TS2_2) /*!< 5 time quantum */ 381 #define CAN_BS2_6TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_0)) /*!< 6 time quantum */ 382 #define CAN_BS2_7TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_1)) /*!< 7 time quantum */ 383 #define CAN_BS2_8TQ ((uint32_t)CAN_BTR_TS2) /*!< 8 time quantum */ 384 /** 385 * @} 386 */ 387 388 /** @defgroup CAN_filter_mode CAN Filter Mode 389 * @{ 390 */ 391 #define CAN_FILTERMODE_IDMASK (0x00000000U) /*!< Identifier mask mode */ 392 #define CAN_FILTERMODE_IDLIST (0x00000001U) /*!< Identifier list mode */ 393 /** 394 * @} 395 */ 396 397 /** @defgroup CAN_filter_scale CAN Filter Scale 398 * @{ 399 */ 400 #define CAN_FILTERSCALE_16BIT (0x00000000U) /*!< Two 16-bit filters */ 401 #define CAN_FILTERSCALE_32BIT (0x00000001U) /*!< One 32-bit filter */ 402 /** 403 * @} 404 */ 405 406 /** @defgroup CAN_filter_activation CAN Filter Activation 407 * @{ 408 */ 409 #define CAN_FILTER_DISABLE (0x00000000U) /*!< Disable filter */ 410 #define CAN_FILTER_ENABLE (0x00000001U) /*!< Enable filter */ 411 /** 412 * @} 413 */ 414 415 /** @defgroup CAN_filter_FIFO CAN Filter FIFO 416 * @{ 417 */ 418 #define CAN_FILTER_FIFO0 (0x00000000U) /*!< Filter FIFO 0 assignment for filter x */ 419 #define CAN_FILTER_FIFO1 (0x00000001U) /*!< Filter FIFO 1 assignment for filter x */ 420 /** 421 * @} 422 */ 423 424 /** @defgroup CAN_identifier_type CAN Identifier Type 425 * @{ 426 */ 427 #define CAN_ID_STD (0x00000000U) /*!< Standard Id */ 428 #define CAN_ID_EXT (0x00000004U) /*!< Extended Id */ 429 /** 430 * @} 431 */ 432 433 /** @defgroup CAN_remote_transmission_request CAN Remote Transmission Request 434 * @{ 435 */ 436 #define CAN_RTR_DATA (0x00000000U) /*!< Data frame */ 437 #define CAN_RTR_REMOTE (0x00000002U) /*!< Remote frame */ 438 /** 439 * @} 440 */ 441 442 /** @defgroup CAN_receive_FIFO_number CAN Receive FIFO Number 443 * @{ 444 */ 445 #define CAN_RX_FIFO0 (0x00000000U) /*!< CAN receive FIFO 0 */ 446 #define CAN_RX_FIFO1 (0x00000001U) /*!< CAN receive FIFO 1 */ 447 /** 448 * @} 449 */ 450 451 /** @defgroup CAN_Tx_Mailboxes CAN Tx Mailboxes 452 * @{ 453 */ 454 #define CAN_TX_MAILBOX0 (0x00000001U) /*!< Tx Mailbox 0 */ 455 #define CAN_TX_MAILBOX1 (0x00000002U) /*!< Tx Mailbox 1 */ 456 #define CAN_TX_MAILBOX2 (0x00000004U) /*!< Tx Mailbox 2 */ 457 /** 458 * @} 459 */ 460 461 /** @defgroup CAN_flags CAN Flags 462 * @{ 463 */ 464 /* Transmit Flags */ 465 #define CAN_FLAG_RQCP0 (0x00000500U) /*!< Request complete MailBox 0 flag */ 466 #define CAN_FLAG_TXOK0 (0x00000501U) /*!< Transmission OK MailBox 0 flag */ 467 #define CAN_FLAG_ALST0 (0x00000502U) /*!< Arbitration Lost MailBox 0 flag */ 468 #define CAN_FLAG_TERR0 (0x00000503U) /*!< Transmission error MailBox 0 flag */ 469 #define CAN_FLAG_RQCP1 (0x00000508U) /*!< Request complete MailBox1 flag */ 470 #define CAN_FLAG_TXOK1 (0x00000509U) /*!< Transmission OK MailBox 1 flag */ 471 #define CAN_FLAG_ALST1 (0x0000050AU) /*!< Arbitration Lost MailBox 1 flag */ 472 #define CAN_FLAG_TERR1 (0x0000050BU) /*!< Transmission error MailBox 1 flag */ 473 #define CAN_FLAG_RQCP2 (0x00000510U) /*!< Request complete MailBox2 flag */ 474 #define CAN_FLAG_TXOK2 (0x00000511U) /*!< Transmission OK MailBox 2 flag */ 475 #define CAN_FLAG_ALST2 (0x00000512U) /*!< Arbitration Lost MailBox 2 flag */ 476 #define CAN_FLAG_TERR2 (0x00000513U) /*!< Transmission error MailBox 2 flag */ 477 #define CAN_FLAG_TME0 (0x0000051AU) /*!< Transmit mailbox 0 empty flag */ 478 #define CAN_FLAG_TME1 (0x0000051BU) /*!< Transmit mailbox 1 empty flag */ 479 #define CAN_FLAG_TME2 (0x0000051CU) /*!< Transmit mailbox 2 empty flag */ 480 #define CAN_FLAG_LOW0 (0x0000051DU) /*!< Lowest priority mailbox 0 flag */ 481 #define CAN_FLAG_LOW1 (0x0000051EU) /*!< Lowest priority mailbox 1 flag */ 482 #define CAN_FLAG_LOW2 (0x0000051FU) /*!< Lowest priority mailbox 2 flag */ 483 484 /* Receive Flags */ 485 #define CAN_FLAG_FF0 (0x00000203U) /*!< RX FIFO 0 Full flag */ 486 #define CAN_FLAG_FOV0 (0x00000204U) /*!< RX FIFO 0 Overrun flag */ 487 #define CAN_FLAG_FF1 (0x00000403U) /*!< RX FIFO 1 Full flag */ 488 #define CAN_FLAG_FOV1 (0x00000404U) /*!< RX FIFO 1 Overrun flag */ 489 490 /* Operating Mode Flags */ 491 #define CAN_FLAG_INAK (0x00000100U) /*!< Initialization acknowledge flag */ 492 #define CAN_FLAG_SLAK (0x00000101U) /*!< Sleep acknowledge flag */ 493 #define CAN_FLAG_ERRI (0x00000102U) /*!< Error flag */ 494 #define CAN_FLAG_WKU (0x00000103U) /*!< Wake up interrupt flag */ 495 #define CAN_FLAG_SLAKI (0x00000104U) /*!< Sleep acknowledge interrupt flag */ 496 497 /* Error Flags */ 498 #define CAN_FLAG_EWG (0x00000300U) /*!< Error warning flag */ 499 #define CAN_FLAG_EPV (0x00000301U) /*!< Error passive flag */ 500 #define CAN_FLAG_BOF (0x00000302U) /*!< Bus-Off flag */ 501 /** 502 * @} 503 */ 504 505 506 /** @defgroup CAN_Interrupts CAN Interrupts 507 * @{ 508 */ 509 /* Transmit Interrupt */ 510 #define CAN_IT_TX_MAILBOX_EMPTY ((uint32_t)CAN_IER_TMEIE) /*!< Transmit mailbox empty interrupt */ 511 512 /* Receive Interrupts */ 513 #define CAN_IT_RX_FIFO0_MSG_PENDING ((uint32_t)CAN_IER_FMPIE0) /*!< FIFO 0 message pending interrupt */ 514 #define CAN_IT_RX_FIFO0_FULL ((uint32_t)CAN_IER_FFIE0) /*!< FIFO 0 full interrupt */ 515 #define CAN_IT_RX_FIFO0_OVERRUN ((uint32_t)CAN_IER_FOVIE0) /*!< FIFO 0 overrun interrupt */ 516 #define CAN_IT_RX_FIFO1_MSG_PENDING ((uint32_t)CAN_IER_FMPIE1) /*!< FIFO 1 message pending interrupt */ 517 #define CAN_IT_RX_FIFO1_FULL ((uint32_t)CAN_IER_FFIE1) /*!< FIFO 1 full interrupt */ 518 #define CAN_IT_RX_FIFO1_OVERRUN ((uint32_t)CAN_IER_FOVIE1) /*!< FIFO 1 overrun interrupt */ 519 520 /* Operating Mode Interrupts */ 521 #define CAN_IT_WAKEUP ((uint32_t)CAN_IER_WKUIE) /*!< Wake-up interrupt */ 522 #define CAN_IT_SLEEP_ACK ((uint32_t)CAN_IER_SLKIE) /*!< Sleep acknowledge interrupt */ 523 524 /* Error Interrupts */ 525 #define CAN_IT_ERROR_WARNING ((uint32_t)CAN_IER_EWGIE) /*!< Error warning interrupt */ 526 #define CAN_IT_ERROR_PASSIVE ((uint32_t)CAN_IER_EPVIE) /*!< Error passive interrupt */ 527 #define CAN_IT_BUSOFF ((uint32_t)CAN_IER_BOFIE) /*!< Bus-off interrupt */ 528 #define CAN_IT_LAST_ERROR_CODE ((uint32_t)CAN_IER_LECIE) /*!< Last error code interrupt */ 529 #define CAN_IT_ERROR ((uint32_t)CAN_IER_ERRIE) /*!< Error Interrupt */ 530 /** 531 * @} 532 */ 533 534 /** 535 * @} 536 */ 537 538 /* Exported macros -----------------------------------------------------------*/ 539 /** @defgroup CAN_Exported_Macros CAN Exported Macros 540 * @{ 541 */ 542 543 /** @brief Reset CAN handle state 544 * @param __HANDLE__ CAN handle. 545 * @retval None 546 */ 547 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 548 #define __HAL_CAN_RESET_HANDLE_STATE(__HANDLE__) do{ \ 549 (__HANDLE__)->State = HAL_CAN_STATE_RESET; \ 550 (__HANDLE__)->MspInitCallback = NULL; \ 551 (__HANDLE__)->MspDeInitCallback = NULL; \ 552 } while(0) 553 #else 554 #define __HAL_CAN_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CAN_STATE_RESET) 555 #endif /*USE_HAL_CAN_REGISTER_CALLBACKS */ 556 557 /** 558 * @brief Enable the specified CAN interrupts. 559 * @param __HANDLE__ CAN handle. 560 * @param __INTERRUPT__ CAN Interrupt sources to enable. 561 * This parameter can be any combination of @arg CAN_Interrupts 562 * @retval None 563 */ 564 #define __HAL_CAN_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) |= (__INTERRUPT__)) 565 566 /** 567 * @brief Disable the specified CAN interrupts. 568 * @param __HANDLE__ CAN handle. 569 * @param __INTERRUPT__ CAN Interrupt sources to disable. 570 * This parameter can be any combination of @arg CAN_Interrupts 571 * @retval None 572 */ 573 #define __HAL_CAN_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) &= ~(__INTERRUPT__)) 574 575 /** @brief Check if the specified CAN interrupt source is enabled or disabled. 576 * @param __HANDLE__ specifies the CAN Handle. 577 * @param __INTERRUPT__ specifies the CAN interrupt source to check. 578 * This parameter can be a value of @arg CAN_Interrupts 579 * @retval The state of __IT__ (TRUE or FALSE). 580 */ 581 #define __HAL_CAN_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) & (__INTERRUPT__)) 582 583 /** @brief Check whether the specified CAN flag is set or not. 584 * @param __HANDLE__ specifies the CAN Handle. 585 * @param __FLAG__ specifies the flag to check. 586 * This parameter can be one of @arg CAN_flags 587 * @retval The state of __FLAG__ (TRUE or FALSE). 588 */ 589 #define __HAL_CAN_GET_FLAG(__HANDLE__, __FLAG__) \ 590 ((((__FLAG__) >> 8U) == 5U)? ((((__HANDLE__)->Instance->TSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 591 (((__FLAG__) >> 8U) == 2U)? ((((__HANDLE__)->Instance->RF0R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 592 (((__FLAG__) >> 8U) == 4U)? ((((__HANDLE__)->Instance->RF1R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 593 (((__FLAG__) >> 8U) == 1U)? ((((__HANDLE__)->Instance->MSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 594 (((__FLAG__) >> 8U) == 3U)? ((((__HANDLE__)->Instance->ESR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U) 595 596 /** @brief Clear the specified CAN pending flag. 597 * @param __HANDLE__ specifies the CAN Handle. 598 * @param __FLAG__ specifies the flag to check. 599 * This parameter can be one of the following values: 600 * @arg CAN_FLAG_RQCP0: Request complete MailBox 0 Flag 601 * @arg CAN_FLAG_TXOK0: Transmission OK MailBox 0 Flag 602 * @arg CAN_FLAG_ALST0: Arbitration Lost MailBox 0 Flag 603 * @arg CAN_FLAG_TERR0: Transmission error MailBox 0 Flag 604 * @arg CAN_FLAG_RQCP1: Request complete MailBox 1 Flag 605 * @arg CAN_FLAG_TXOK1: Transmission OK MailBox 1 Flag 606 * @arg CAN_FLAG_ALST1: Arbitration Lost MailBox 1 Flag 607 * @arg CAN_FLAG_TERR1: Transmission error MailBox 1 Flag 608 * @arg CAN_FLAG_RQCP2: Request complete MailBox 2 Flag 609 * @arg CAN_FLAG_TXOK2: Transmission OK MailBox 2 Flag 610 * @arg CAN_FLAG_ALST2: Arbitration Lost MailBox 2 Flag 611 * @arg CAN_FLAG_TERR2: Transmission error MailBox 2 Flag 612 * @arg CAN_FLAG_FF0: RX FIFO 0 Full Flag 613 * @arg CAN_FLAG_FOV0: RX FIFO 0 Overrun Flag 614 * @arg CAN_FLAG_FF1: RX FIFO 1 Full Flag 615 * @arg CAN_FLAG_FOV1: RX FIFO 1 Overrun Flag 616 * @arg CAN_FLAG_WKUI: Wake up Interrupt Flag 617 * @arg CAN_FLAG_SLAKI: Sleep acknowledge Interrupt Flag 618 * @retval None 619 */ 620 #define __HAL_CAN_CLEAR_FLAG(__HANDLE__, __FLAG__) \ 621 ((((__FLAG__) >> 8U) == 5U)? (((__HANDLE__)->Instance->TSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 622 (((__FLAG__) >> 8U) == 2U)? (((__HANDLE__)->Instance->RF0R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 623 (((__FLAG__) >> 8U) == 4U)? (((__HANDLE__)->Instance->RF1R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ 624 (((__FLAG__) >> 8U) == 1U)? (((__HANDLE__)->Instance->MSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U) 625 626 /** 627 * @} 628 */ 629 630 /* Exported functions --------------------------------------------------------*/ 631 /** @addtogroup CAN_Exported_Functions CAN Exported Functions 632 * @{ 633 */ 634 635 /** @addtogroup CAN_Exported_Functions_Group1 Initialization and de-initialization functions 636 * @brief Initialization and Configuration functions 637 * @{ 638 */ 639 640 /* Initialization and de-initialization functions *****************************/ 641 HAL_StatusTypeDef HAL_CAN_Init(CAN_HandleTypeDef *hcan); 642 HAL_StatusTypeDef HAL_CAN_DeInit(CAN_HandleTypeDef *hcan); 643 void HAL_CAN_MspInit(CAN_HandleTypeDef *hcan); 644 void HAL_CAN_MspDeInit(CAN_HandleTypeDef *hcan); 645 646 #if USE_HAL_CAN_REGISTER_CALLBACKS == 1 647 /* Callbacks Register/UnRegister functions ***********************************/ 648 HAL_StatusTypeDef HAL_CAN_RegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID, void (* pCallback)(CAN_HandleTypeDef *_hcan)); 649 HAL_StatusTypeDef HAL_CAN_UnRegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID); 650 651 #endif /* (USE_HAL_CAN_REGISTER_CALLBACKS) */ 652 /** 653 * @} 654 */ 655 656 /** @addtogroup CAN_Exported_Functions_Group2 Configuration functions 657 * @brief Configuration functions 658 * @{ 659 */ 660 661 /* Configuration functions ****************************************************/ 662 HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef *hcan, CAN_FilterTypeDef *sFilterConfig); 663 664 /** 665 * @} 666 */ 667 668 /** @addtogroup CAN_Exported_Functions_Group3 Control functions 669 * @brief Control functions 670 * @{ 671 */ 672 673 /* Control functions **********************************************************/ 674 HAL_StatusTypeDef HAL_CAN_Start(CAN_HandleTypeDef *hcan); 675 HAL_StatusTypeDef HAL_CAN_Stop(CAN_HandleTypeDef *hcan); 676 HAL_StatusTypeDef HAL_CAN_RequestSleep(CAN_HandleTypeDef *hcan); 677 HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef *hcan); 678 uint32_t HAL_CAN_IsSleepActive(CAN_HandleTypeDef *hcan); 679 HAL_StatusTypeDef HAL_CAN_AddTxMessage(CAN_HandleTypeDef *hcan, CAN_TxHeaderTypeDef *pHeader, uint8_t aData[], uint32_t *pTxMailbox); 680 HAL_StatusTypeDef HAL_CAN_AbortTxRequest(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes); 681 uint32_t HAL_CAN_GetTxMailboxesFreeLevel(CAN_HandleTypeDef *hcan); 682 uint32_t HAL_CAN_IsTxMessagePending(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes); 683 uint32_t HAL_CAN_GetTxTimestamp(CAN_HandleTypeDef *hcan, uint32_t TxMailbox); 684 HAL_StatusTypeDef HAL_CAN_GetRxMessage(CAN_HandleTypeDef *hcan, uint32_t RxFifo, CAN_RxHeaderTypeDef *pHeader, uint8_t aData[]); 685 uint32_t HAL_CAN_GetRxFifoFillLevel(CAN_HandleTypeDef *hcan, uint32_t RxFifo); 686 687 /** 688 * @} 689 */ 690 691 /** @addtogroup CAN_Exported_Functions_Group4 Interrupts management 692 * @brief Interrupts management 693 * @{ 694 */ 695 /* Interrupts management ******************************************************/ 696 HAL_StatusTypeDef HAL_CAN_ActivateNotification(CAN_HandleTypeDef *hcan, uint32_t ActiveITs); 697 HAL_StatusTypeDef HAL_CAN_DeactivateNotification(CAN_HandleTypeDef *hcan, uint32_t InactiveITs); 698 void HAL_CAN_IRQHandler(CAN_HandleTypeDef *hcan); 699 700 /** 701 * @} 702 */ 703 704 /** @addtogroup CAN_Exported_Functions_Group5 Callback functions 705 * @brief Callback functions 706 * @{ 707 */ 708 /* Callbacks functions ********************************************************/ 709 710 void HAL_CAN_TxMailbox0CompleteCallback(CAN_HandleTypeDef *hcan); 711 void HAL_CAN_TxMailbox1CompleteCallback(CAN_HandleTypeDef *hcan); 712 void HAL_CAN_TxMailbox2CompleteCallback(CAN_HandleTypeDef *hcan); 713 void HAL_CAN_TxMailbox0AbortCallback(CAN_HandleTypeDef *hcan); 714 void HAL_CAN_TxMailbox1AbortCallback(CAN_HandleTypeDef *hcan); 715 void HAL_CAN_TxMailbox2AbortCallback(CAN_HandleTypeDef *hcan); 716 void HAL_CAN_RxFifo0MsgPendingCallback(CAN_HandleTypeDef *hcan); 717 void HAL_CAN_RxFifo0FullCallback(CAN_HandleTypeDef *hcan); 718 void HAL_CAN_RxFifo1MsgPendingCallback(CAN_HandleTypeDef *hcan); 719 void HAL_CAN_RxFifo1FullCallback(CAN_HandleTypeDef *hcan); 720 void HAL_CAN_SleepCallback(CAN_HandleTypeDef *hcan); 721 void HAL_CAN_WakeUpFromRxMsgCallback(CAN_HandleTypeDef *hcan); 722 void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan); 723 724 /** 725 * @} 726 */ 727 728 /** @addtogroup CAN_Exported_Functions_Group6 Peripheral State and Error functions 729 * @brief CAN Peripheral State functions 730 * @{ 731 */ 732 /* Peripheral State and Error functions ***************************************/ 733 HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef *hcan); 734 uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan); 735 HAL_StatusTypeDef HAL_CAN_ResetError(CAN_HandleTypeDef *hcan); 736 737 /** 738 * @} 739 */ 740 741 /** 742 * @} 743 */ 744 745 /* Private types -------------------------------------------------------------*/ 746 /** @defgroup CAN_Private_Types CAN Private Types 747 * @{ 748 */ 749 750 /** 751 * @} 752 */ 753 754 /* Private variables ---------------------------------------------------------*/ 755 /** @defgroup CAN_Private_Variables CAN Private Variables 756 * @{ 757 */ 758 759 /** 760 * @} 761 */ 762 763 /* Private constants ---------------------------------------------------------*/ 764 /** @defgroup CAN_Private_Constants CAN Private Constants 765 * @{ 766 */ 767 #define CAN_FLAG_MASK (0x000000FFU) 768 /** 769 * @} 770 */ 771 772 /* Private Macros -----------------------------------------------------------*/ 773 /** @defgroup CAN_Private_Macros CAN Private Macros 774 * @{ 775 */ 776 777 #define IS_CAN_MODE(MODE) (((MODE) == CAN_MODE_NORMAL) || \ 778 ((MODE) == CAN_MODE_LOOPBACK)|| \ 779 ((MODE) == CAN_MODE_SILENT) || \ 780 ((MODE) == CAN_MODE_SILENT_LOOPBACK)) 781 #define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1TQ) || ((SJW) == CAN_SJW_2TQ) || \ 782 ((SJW) == CAN_SJW_3TQ) || ((SJW) == CAN_SJW_4TQ)) 783 #define IS_CAN_BS1(BS1) (((BS1) == CAN_BS1_1TQ) || ((BS1) == CAN_BS1_2TQ) || \ 784 ((BS1) == CAN_BS1_3TQ) || ((BS1) == CAN_BS1_4TQ) || \ 785 ((BS1) == CAN_BS1_5TQ) || ((BS1) == CAN_BS1_6TQ) || \ 786 ((BS1) == CAN_BS1_7TQ) || ((BS1) == CAN_BS1_8TQ) || \ 787 ((BS1) == CAN_BS1_9TQ) || ((BS1) == CAN_BS1_10TQ)|| \ 788 ((BS1) == CAN_BS1_11TQ)|| ((BS1) == CAN_BS1_12TQ)|| \ 789 ((BS1) == CAN_BS1_13TQ)|| ((BS1) == CAN_BS1_14TQ)|| \ 790 ((BS1) == CAN_BS1_15TQ)|| ((BS1) == CAN_BS1_16TQ)) 791 #define IS_CAN_BS2(BS2) (((BS2) == CAN_BS2_1TQ) || ((BS2) == CAN_BS2_2TQ) || \ 792 ((BS2) == CAN_BS2_3TQ) || ((BS2) == CAN_BS2_4TQ) || \ 793 ((BS2) == CAN_BS2_5TQ) || ((BS2) == CAN_BS2_6TQ) || \ 794 ((BS2) == CAN_BS2_7TQ) || ((BS2) == CAN_BS2_8TQ)) 795 #define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1U) && ((PRESCALER) <= 1024U)) 796 #define IS_CAN_FILTER_ID_HALFWORD(HALFWORD) ((HALFWORD) <= 0xFFFFU) 797 #if defined(CAN2) 798 #define IS_CAN_FILTER_BANK_DUAL(BANK) ((BANK) <= 27U) 799 #endif 800 #define IS_CAN_FILTER_BANK_SINGLE(BANK) ((BANK) <= 13U) 801 #define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FILTERMODE_IDMASK) || \ 802 ((MODE) == CAN_FILTERMODE_IDLIST)) 803 #define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FILTERSCALE_16BIT) || \ 804 ((SCALE) == CAN_FILTERSCALE_32BIT)) 805 #define IS_CAN_FILTER_ACTIVATION(ACTIVATION) (((ACTIVATION) == CAN_FILTER_DISABLE) || \ 806 ((ACTIVATION) == CAN_FILTER_ENABLE)) 807 #define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FILTER_FIFO0) || \ 808 ((FIFO) == CAN_FILTER_FIFO1)) 809 #define IS_CAN_TX_MAILBOX(TRANSMITMAILBOX) (((TRANSMITMAILBOX) == CAN_TX_MAILBOX0 ) || \ 810 ((TRANSMITMAILBOX) == CAN_TX_MAILBOX1 ) || \ 811 ((TRANSMITMAILBOX) == CAN_TX_MAILBOX2 )) 812 #define IS_CAN_TX_MAILBOX_LIST(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= (CAN_TX_MAILBOX0 | CAN_TX_MAILBOX1 | CAN_TX_MAILBOX2)) 813 #define IS_CAN_STDID(STDID) ((STDID) <= 0x7FFU) 814 #define IS_CAN_EXTID(EXTID) ((EXTID) <= 0x1FFFFFFFU) 815 #define IS_CAN_DLC(DLC) ((DLC) <= 8U) 816 #define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_ID_STD) || \ 817 ((IDTYPE) == CAN_ID_EXT)) 818 #define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_DATA) || ((RTR) == CAN_RTR_REMOTE)) 819 #define IS_CAN_RX_FIFO(FIFO) (((FIFO) == CAN_RX_FIFO0) || ((FIFO) == CAN_RX_FIFO1)) 820 #define IS_CAN_IT(IT) ((IT) <= (CAN_IT_TX_MAILBOX_EMPTY | CAN_IT_RX_FIFO0_MSG_PENDING | \ 821 CAN_IT_RX_FIFO0_FULL | CAN_IT_RX_FIFO0_OVERRUN | \ 822 CAN_IT_RX_FIFO1_MSG_PENDING | CAN_IT_RX_FIFO1_FULL | \ 823 CAN_IT_RX_FIFO1_OVERRUN | CAN_IT_WAKEUP | \ 824 CAN_IT_SLEEP_ACK | CAN_IT_ERROR_WARNING | \ 825 CAN_IT_ERROR_PASSIVE | CAN_IT_BUSOFF | \ 826 CAN_IT_LAST_ERROR_CODE | CAN_IT_ERROR)) 827 828 /** 829 * @} 830 */ 831 /* End of private macros -----------------------------------------------------*/ 832 833 /** 834 * @} 835 */ 836 837 838 #endif /* CAN1 */ 839 /** 840 * @} 841 */ 842 843 #ifdef __cplusplus 844 } 845 #endif 846 847 #endif /* STM32F1xx_HAL_CAN_H */ 848 849 850 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 851