1 /* Define to prevent recursive inclusion -------------------------------------*/ 2 #ifndef __AIR32F10x_CAN_H 3 #define __AIR32F10x_CAN_H 4 5 #ifdef __cplusplus 6 extern "C" { 7 #endif 8 9 /* Includes ------------------------------------------------------------------*/ 10 #include "air32f10x.h" 11 12 /** @addtogroup air32f10x_StdPeriph_Driver 13 * @{ 14 */ 15 16 /** @addtogroup CAN 17 * @{ 18 */ 19 20 /** @defgroup CAN_Exported_Types 21 * @{ 22 */ 23 24 #define IS_CAN_ALL_PERIPH(PERIPH) (((PERIPH) == CAN1) || \ 25 ((PERIPH) == CAN2)) 26 27 /** 28 * @brief CAN init structure definition 29 */ 30 31 typedef struct 32 { 33 uint16_t CAN_Prescaler; /*!< Specifies the length of a time quantum. 34 It ranges from 1 to 1024. */ 35 36 uint8_t CAN_Mode; /*!< Specifies the CAN operating mode. 37 This parameter can be a value of 38 @ref CAN_operating_mode */ 39 40 uint8_t CAN_SJW; /*!< Specifies the maximum number of time quanta 41 the CAN hardware is allowed to lengthen or 42 shorten a bit to perform resynchronization. 43 This parameter can be a value of 44 @ref CAN_synchronisation_jump_width */ 45 46 uint8_t CAN_BS1; /*!< Specifies the number of time quanta in Bit 47 Segment 1. This parameter can be a value of 48 @ref CAN_time_quantum_in_bit_segment_1 */ 49 50 uint8_t CAN_BS2; /*!< Specifies the number of time quanta in Bit 51 Segment 2. 52 This parameter can be a value of 53 @ref CAN_time_quantum_in_bit_segment_2 */ 54 55 FunctionalState CAN_TTCM; /*!< Enable or disable the time triggered 56 communication mode. This parameter can be set 57 either to ENABLE or DISABLE. */ 58 59 FunctionalState CAN_ABOM; /*!< Enable or disable the automatic bus-off 60 management. This parameter can be set either 61 to ENABLE or DISABLE. */ 62 63 FunctionalState CAN_AWUM; /*!< Enable or disable the automatic wake-up mode. 64 This parameter can be set either to ENABLE or 65 DISABLE. */ 66 67 FunctionalState CAN_NART; /*!< Enable or disable the no-automatic 68 retransmission mode. This parameter can be 69 set either to ENABLE or DISABLE. */ 70 71 FunctionalState CAN_RFLM; /*!< Enable or disable the Receive FIFO Locked mode. 72 This parameter can be set either to ENABLE 73 or DISABLE. */ 74 75 FunctionalState CAN_TXFP; /*!< Enable or disable the transmit FIFO priority. 76 This parameter can be set either to ENABLE 77 or DISABLE. */ 78 } CAN_InitTypeDef; 79 80 /** 81 * @brief CAN filter init structure definition 82 */ 83 84 typedef struct 85 { 86 uint16_t CAN_FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit 87 configuration, first one for a 16-bit configuration). 88 This parameter can be a value between 0x0000 and 0xFFFF */ 89 90 uint16_t CAN_FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit 91 configuration, second one for a 16-bit configuration). 92 This parameter can be a value between 0x0000 and 0xFFFF */ 93 94 uint16_t CAN_FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number, 95 according to the mode (MSBs for a 32-bit configuration, 96 first one for a 16-bit configuration). 97 This parameter can be a value between 0x0000 and 0xFFFF */ 98 99 uint16_t CAN_FilterMaskIdLow; /*!< Specifies the filter mask number or identification number, 100 according to the mode (LSBs for a 32-bit configuration, 101 second one for a 16-bit configuration). 102 This parameter can be a value between 0x0000 and 0xFFFF */ 103 104 uint16_t CAN_FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1) which will be assigned to the filter. 105 This parameter can be a value of @ref CAN_filter_FIFO */ 106 107 uint8_t CAN_FilterNumber; /*!< Specifies the filter which will be initialized. It ranges from 0 to 13. */ 108 109 uint8_t CAN_FilterMode; /*!< Specifies the filter mode to be initialized. 110 This parameter can be a value of @ref CAN_filter_mode */ 111 112 uint8_t CAN_FilterScale; /*!< Specifies the filter scale. 113 This parameter can be a value of @ref CAN_filter_scale */ 114 115 FunctionalState CAN_FilterActivation; /*!< Enable or disable the filter. 116 This parameter can be set either to ENABLE or DISABLE. */ 117 } CAN_FilterInitTypeDef; 118 119 /** 120 * @brief CAN Tx message structure definition 121 */ 122 123 typedef struct 124 { 125 uint32_t StdId; /*!< Specifies the standard identifier. 126 This parameter can be a value between 0 to 0x7FF. */ 127 128 uint32_t ExtId; /*!< Specifies the extended identifier. 129 This parameter can be a value between 0 to 0x1FFFFFFF. */ 130 131 uint8_t IDE; /*!< Specifies the type of identifier for the message that 132 will be transmitted. This parameter can be a value 133 of @ref CAN_identifier_type */ 134 135 uint8_t RTR; /*!< Specifies the type of frame for the message that will 136 be transmitted. This parameter can be a value of 137 @ref CAN_remote_transmission_request */ 138 139 uint8_t DLC; /*!< Specifies the length of the frame that will be 140 transmitted. This parameter can be a value between 141 0 to 8 */ 142 143 uint8_t Data[8]; /*!< Contains the data to be transmitted. It ranges from 0 144 to 0xFF. */ 145 } CanTxMsg; 146 147 /** 148 * @brief CAN Rx message structure definition 149 */ 150 151 typedef struct 152 { 153 uint32_t StdId; /*!< Specifies the standard identifier. 154 This parameter can be a value between 0 to 0x7FF. */ 155 156 uint32_t ExtId; /*!< Specifies the extended identifier. 157 This parameter can be a value between 0 to 0x1FFFFFFF. */ 158 159 uint8_t IDE; /*!< Specifies the type of identifier for the message that 160 will be received. This parameter can be a value of 161 @ref CAN_identifier_type */ 162 163 uint8_t RTR; /*!< Specifies the type of frame for the received message. 164 This parameter can be a value of 165 @ref CAN_remote_transmission_request */ 166 167 uint8_t DLC; /*!< Specifies the length of the frame that will be received. 168 This parameter can be a value between 0 to 8 */ 169 170 uint8_t Data[8]; /*!< Contains the data to be received. It ranges from 0 to 171 0xFF. */ 172 173 uint8_t FMI; /*!< Specifies the index of the filter the message stored in 174 the mailbox passes through. This parameter can be a 175 value between 0 to 0xFF */ 176 } CanRxMsg; 177 178 /** 179 * @} 180 */ 181 182 /** @defgroup CAN_Exported_Constants 183 * @{ 184 */ 185 186 /** @defgroup CAN_sleep_constants 187 * @{ 188 */ 189 190 #define CAN_InitStatus_Failed ((uint8_t)0x00) /*!< CAN initialization failed */ 191 #define CAN_InitStatus_Success ((uint8_t)0x01) /*!< CAN initialization OK */ 192 193 /** 194 * @} 195 */ 196 197 /** @defgroup CAN_Mode 198 * @{ 199 */ 200 201 #define CAN_Mode_Normal ((uint8_t)0x00) /*!< normal mode */ 202 #define CAN_Mode_LoopBack ((uint8_t)0x01) /*!< loopback mode */ 203 #define CAN_Mode_Silent ((uint8_t)0x02) /*!< silent mode */ 204 #define CAN_Mode_Silent_LoopBack ((uint8_t)0x03) /*!< loopback combined with silent mode */ 205 206 #define IS_CAN_MODE(MODE) (((MODE) == CAN_Mode_Normal) || \ 207 ((MODE) == CAN_Mode_LoopBack)|| \ 208 ((MODE) == CAN_Mode_Silent) || \ 209 ((MODE) == CAN_Mode_Silent_LoopBack)) 210 /** 211 * @} 212 */ 213 214 215 /** 216 * @defgroup CAN_Operating_Mode 217 * @{ 218 */ 219 #define CAN_OperatingMode_Initialization ((uint8_t)0x00) /*!< Initialization mode */ 220 #define CAN_OperatingMode_Normal ((uint8_t)0x01) /*!< Normal mode */ 221 #define CAN_OperatingMode_Sleep ((uint8_t)0x02) /*!< sleep mode */ 222 223 224 #define IS_CAN_OPERATING_MODE(MODE) (((MODE) == CAN_OperatingMode_Initialization) ||\ 225 ((MODE) == CAN_OperatingMode_Normal)|| \ 226 ((MODE) == CAN_OperatingMode_Sleep)) 227 /** 228 * @} 229 */ 230 231 /** 232 * @defgroup CAN_Mode_Status 233 * @{ 234 */ 235 236 #define CAN_ModeStatus_Failed ((uint8_t)0x00) /*!< CAN entering the specific mode failed */ 237 #define CAN_ModeStatus_Success ((uint8_t)!CAN_ModeStatus_Failed) /*!< CAN entering the specific mode Succeed */ 238 239 240 /** 241 * @} 242 */ 243 244 /** @defgroup CAN_synchronisation_jump_width 245 * @{ 246 */ 247 248 #define CAN_SJW_1tq ((uint8_t)0x00) /*!< 1 time quantum */ 249 #define CAN_SJW_2tq ((uint8_t)0x01) /*!< 2 time quantum */ 250 #define CAN_SJW_3tq ((uint8_t)0x02) /*!< 3 time quantum */ 251 #define CAN_SJW_4tq ((uint8_t)0x03) /*!< 4 time quantum */ 252 253 #define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1tq) || ((SJW) == CAN_SJW_2tq)|| \ 254 ((SJW) == CAN_SJW_3tq) || ((SJW) == CAN_SJW_4tq)) 255 /** 256 * @} 257 */ 258 259 /** @defgroup CAN_time_quantum_in_bit_segment_1 260 * @{ 261 */ 262 263 #define CAN_BS1_1tq ((uint8_t)0x00) /*!< 1 time quantum */ 264 #define CAN_BS1_2tq ((uint8_t)0x01) /*!< 2 time quantum */ 265 #define CAN_BS1_3tq ((uint8_t)0x02) /*!< 3 time quantum */ 266 #define CAN_BS1_4tq ((uint8_t)0x03) /*!< 4 time quantum */ 267 #define CAN_BS1_5tq ((uint8_t)0x04) /*!< 5 time quantum */ 268 #define CAN_BS1_6tq ((uint8_t)0x05) /*!< 6 time quantum */ 269 #define CAN_BS1_7tq ((uint8_t)0x06) /*!< 7 time quantum */ 270 #define CAN_BS1_8tq ((uint8_t)0x07) /*!< 8 time quantum */ 271 #define CAN_BS1_9tq ((uint8_t)0x08) /*!< 9 time quantum */ 272 #define CAN_BS1_10tq ((uint8_t)0x09) /*!< 10 time quantum */ 273 #define CAN_BS1_11tq ((uint8_t)0x0A) /*!< 11 time quantum */ 274 #define CAN_BS1_12tq ((uint8_t)0x0B) /*!< 12 time quantum */ 275 #define CAN_BS1_13tq ((uint8_t)0x0C) /*!< 13 time quantum */ 276 #define CAN_BS1_14tq ((uint8_t)0x0D) /*!< 14 time quantum */ 277 #define CAN_BS1_15tq ((uint8_t)0x0E) /*!< 15 time quantum */ 278 #define CAN_BS1_16tq ((uint8_t)0x0F) /*!< 16 time quantum */ 279 280 #define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16tq) 281 /** 282 * @} 283 */ 284 285 /** @defgroup CAN_time_quantum_in_bit_segment_2 286 * @{ 287 */ 288 289 #define CAN_BS2_1tq ((uint8_t)0x00) /*!< 1 time quantum */ 290 #define CAN_BS2_2tq ((uint8_t)0x01) /*!< 2 time quantum */ 291 #define CAN_BS2_3tq ((uint8_t)0x02) /*!< 3 time quantum */ 292 #define CAN_BS2_4tq ((uint8_t)0x03) /*!< 4 time quantum */ 293 #define CAN_BS2_5tq ((uint8_t)0x04) /*!< 5 time quantum */ 294 #define CAN_BS2_6tq ((uint8_t)0x05) /*!< 6 time quantum */ 295 #define CAN_BS2_7tq ((uint8_t)0x06) /*!< 7 time quantum */ 296 #define CAN_BS2_8tq ((uint8_t)0x07) /*!< 8 time quantum */ 297 298 #define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8tq) 299 300 /** 301 * @} 302 */ 303 304 /** @defgroup CAN_clock_prescaler 305 * @{ 306 */ 307 308 #define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1) && ((PRESCALER) <= 1024)) 309 310 /** 311 * @} 312 */ 313 314 /** @defgroup CAN_filter_number 315 * @{ 316 */ 317 #ifndef air32f10x_CL 318 #define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 13) 319 #else 320 #define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27) 321 #endif /* air32f10x_CL */ 322 /** 323 * @} 324 */ 325 326 /** @defgroup CAN_filter_mode 327 * @{ 328 */ 329 330 #define CAN_FilterMode_IdMask ((uint8_t)0x00) /*!< identifier/mask mode */ 331 #define CAN_FilterMode_IdList ((uint8_t)0x01) /*!< identifier list mode */ 332 333 #define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FilterMode_IdMask) || \ 334 ((MODE) == CAN_FilterMode_IdList)) 335 /** 336 * @} 337 */ 338 339 /** @defgroup CAN_filter_scale 340 * @{ 341 */ 342 343 #define CAN_FilterScale_16bit ((uint8_t)0x00) /*!< Two 16-bit filters */ 344 #define CAN_FilterScale_32bit ((uint8_t)0x01) /*!< One 32-bit filter */ 345 346 #define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FilterScale_16bit) || \ 347 ((SCALE) == CAN_FilterScale_32bit)) 348 349 /** 350 * @} 351 */ 352 353 /** @defgroup CAN_filter_FIFO 354 * @{ 355 */ 356 357 #define CAN_Filter_FIFO0 ((uint8_t)0x00) /*!< Filter FIFO 0 assignment for filter x */ 358 #define CAN_Filter_FIFO1 ((uint8_t)0x01) /*!< Filter FIFO 1 assignment for filter x */ 359 #define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FilterFIFO0) || \ 360 ((FIFO) == CAN_FilterFIFO1)) 361 /** 362 * @} 363 */ 364 365 /** @defgroup Start_bank_filter_for_slave_CAN 366 * @{ 367 */ 368 #define IS_CAN_BANKNUMBER(BANKNUMBER) (((BANKNUMBER) >= 1) && ((BANKNUMBER) <= 27)) 369 /** 370 * @} 371 */ 372 373 /** @defgroup CAN_Tx 374 * @{ 375 */ 376 377 #define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02)) 378 #define IS_CAN_STDID(STDID) ((STDID) <= ((uint32_t)0x7FF)) 379 #define IS_CAN_EXTID(EXTID) ((EXTID) <= ((uint32_t)0x1FFFFFFF)) 380 #define IS_CAN_DLC(DLC) ((DLC) <= ((uint8_t)0x08)) 381 382 /** 383 * @} 384 */ 385 386 /** @defgroup CAN_identifier_type 387 * @{ 388 */ 389 390 #define CAN_Id_Standard ((uint32_t)0x00000000) /*!< Standard Id */ 391 #define CAN_Id_Extended ((uint32_t)0x00000004) /*!< Extended Id */ 392 #define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_Id_Standard) || \ 393 ((IDTYPE) == CAN_Id_Extended)) 394 /** 395 * @} 396 */ 397 398 /** @defgroup CAN_remote_transmission_request 399 * @{ 400 */ 401 402 #define CAN_RTR_Data ((uint32_t)0x00000000) /*!< Data frame */ 403 #define CAN_RTR_Remote ((uint32_t)0x00000002) /*!< Remote frame */ 404 #define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_Data) || ((RTR) == CAN_RTR_Remote)) 405 406 /** 407 * @} 408 */ 409 410 /** @defgroup CAN_transmit_constants 411 * @{ 412 */ 413 414 #define CAN_TxStatus_Failed ((uint8_t)0x00)/*!< CAN transmission failed */ 415 #define CAN_TxStatus_Ok ((uint8_t)0x01) /*!< CAN transmission succeeded */ 416 #define CAN_TxStatus_Pending ((uint8_t)0x02) /*!< CAN transmission pending */ 417 #define CAN_TxStatus_NoMailBox ((uint8_t)0x04) /*!< CAN cell did not provide an empty mailbox */ 418 419 /** 420 * @} 421 */ 422 423 /** @defgroup CAN_receive_FIFO_number_constants 424 * @{ 425 */ 426 427 #define CAN_FIFO0 ((uint8_t)0x00) /*!< CAN FIFO 0 used to receive */ 428 #define CAN_FIFO1 ((uint8_t)0x01) /*!< CAN FIFO 1 used to receive */ 429 430 #define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1)) 431 432 /** 433 * @} 434 */ 435 436 /** @defgroup CAN_sleep_constants 437 * @{ 438 */ 439 440 #define CAN_Sleep_Failed ((uint8_t)0x00) /*!< CAN did not enter the sleep mode */ 441 #define CAN_Sleep_Ok ((uint8_t)0x01) /*!< CAN entered the sleep mode */ 442 443 /** 444 * @} 445 */ 446 447 /** @defgroup CAN_wake_up_constants 448 * @{ 449 */ 450 451 #define CAN_WakeUp_Failed ((uint8_t)0x00) /*!< CAN did not leave the sleep mode */ 452 #define CAN_WakeUp_Ok ((uint8_t)0x01) /*!< CAN leaved the sleep mode */ 453 454 /** 455 * @} 456 */ 457 458 /** 459 * @defgroup CAN_Error_Code_constants 460 * @{ 461 */ 462 463 #define CAN_ErrorCode_NoErr ((uint8_t)0x00) /*!< No Error */ 464 #define CAN_ErrorCode_StuffErr ((uint8_t)0x10) /*!< Stuff Error */ 465 #define CAN_ErrorCode_FormErr ((uint8_t)0x20) /*!< Form Error */ 466 #define CAN_ErrorCode_ACKErr ((uint8_t)0x30) /*!< Acknowledgment Error */ 467 #define CAN_ErrorCode_BitRecessiveErr ((uint8_t)0x40) /*!< Bit Recessive Error */ 468 #define CAN_ErrorCode_BitDominantErr ((uint8_t)0x50) /*!< Bit Dominant Error */ 469 #define CAN_ErrorCode_CRCErr ((uint8_t)0x60) /*!< CRC Error */ 470 #define CAN_ErrorCode_SoftwareSetErr ((uint8_t)0x70) /*!< Software Set Error */ 471 472 473 /** 474 * @} 475 */ 476 477 /** @defgroup CAN_flags 478 * @{ 479 */ 480 /* If the flag is 0x3XXXXXXX, it means that it can be used with CAN_GetFlagStatus() 481 and CAN_ClearFlag() functions. */ 482 /* If the flag is 0x1XXXXXXX, it means that it can only be used with CAN_GetFlagStatus() function. */ 483 484 /* Transmit Flags */ 485 #define CAN_FLAG_RQCP0 ((uint32_t)0x38000001) /*!< Request MailBox0 Flag */ 486 #define CAN_FLAG_RQCP1 ((uint32_t)0x38000100) /*!< Request MailBox1 Flag */ 487 #define CAN_FLAG_RQCP2 ((uint32_t)0x38010000) /*!< Request MailBox2 Flag */ 488 489 /* Receive Flags */ 490 #define CAN_FLAG_FMP0 ((uint32_t)0x12000003) /*!< FIFO 0 Message Pending Flag */ 491 #define CAN_FLAG_FF0 ((uint32_t)0x32000008) /*!< FIFO 0 Full Flag */ 492 #define CAN_FLAG_FOV0 ((uint32_t)0x32000010) /*!< FIFO 0 Overrun Flag */ 493 #define CAN_FLAG_FMP1 ((uint32_t)0x14000003) /*!< FIFO 1 Message Pending Flag */ 494 #define CAN_FLAG_FF1 ((uint32_t)0x34000008) /*!< FIFO 1 Full Flag */ 495 #define CAN_FLAG_FOV1 ((uint32_t)0x34000010) /*!< FIFO 1 Overrun Flag */ 496 497 /* Operating Mode Flags */ 498 #define CAN_FLAG_WKU ((uint32_t)0x31000008) /*!< Wake up Flag */ 499 #define CAN_FLAG_SLAK ((uint32_t)0x31000012) /*!< Sleep acknowledge Flag */ 500 /* Note: When SLAK intterupt is disabled (SLKIE=0), no polling on SLAKI is possible. 501 In this case the SLAK bit can be polled.*/ 502 503 /* Error Flags */ 504 #define CAN_FLAG_EWG ((uint32_t)0x10F00001) /*!< Error Warning Flag */ 505 #define CAN_FLAG_EPV ((uint32_t)0x10F00002) /*!< Error Passive Flag */ 506 #define CAN_FLAG_BOF ((uint32_t)0x10F00004) /*!< Bus-Off Flag */ 507 #define CAN_FLAG_LEC ((uint32_t)0x30F00070) /*!< Last error code Flag */ 508 509 #define IS_CAN_GET_FLAG(FLAG) (((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_BOF) || \ 510 ((FLAG) == CAN_FLAG_EPV) || ((FLAG) == CAN_FLAG_EWG) || \ 511 ((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_FOV0) || \ 512 ((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FMP0) || \ 513 ((FLAG) == CAN_FLAG_FOV1) || ((FLAG) == CAN_FLAG_FF1) || \ 514 ((FLAG) == CAN_FLAG_FMP1) || ((FLAG) == CAN_FLAG_RQCP2) || \ 515 ((FLAG) == CAN_FLAG_RQCP1)|| ((FLAG) == CAN_FLAG_RQCP0) || \ 516 ((FLAG) == CAN_FLAG_SLAK )) 517 518 #define IS_CAN_CLEAR_FLAG(FLAG)(((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_RQCP2) || \ 519 ((FLAG) == CAN_FLAG_RQCP1) || ((FLAG) == CAN_FLAG_RQCP0) || \ 520 ((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FOV0) ||\ 521 ((FLAG) == CAN_FLAG_FF1) || ((FLAG) == CAN_FLAG_FOV1) || \ 522 ((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_SLAK)) 523 /** 524 * @} 525 */ 526 527 528 /** @defgroup CAN_interrupts 529 * @{ 530 */ 531 532 533 534 #define CAN_IT_TME ((uint32_t)0x00000001) /*!< Transmit mailbox empty Interrupt*/ 535 536 /* Receive Interrupts */ 537 #define CAN_IT_FMP0 ((uint32_t)0x00000002) /*!< FIFO 0 message pending Interrupt*/ 538 #define CAN_IT_FF0 ((uint32_t)0x00000004) /*!< FIFO 0 full Interrupt*/ 539 #define CAN_IT_FOV0 ((uint32_t)0x00000008) /*!< FIFO 0 overrun Interrupt*/ 540 #define CAN_IT_FMP1 ((uint32_t)0x00000010) /*!< FIFO 1 message pending Interrupt*/ 541 #define CAN_IT_FF1 ((uint32_t)0x00000020) /*!< FIFO 1 full Interrupt*/ 542 #define CAN_IT_FOV1 ((uint32_t)0x00000040) /*!< FIFO 1 overrun Interrupt*/ 543 544 /* Operating Mode Interrupts */ 545 #define CAN_IT_WKU ((uint32_t)0x00010000) /*!< Wake-up Interrupt*/ 546 #define CAN_IT_SLK ((uint32_t)0x00020000) /*!< Sleep acknowledge Interrupt*/ 547 548 /* Error Interrupts */ 549 #define CAN_IT_EWG ((uint32_t)0x00000100) /*!< Error warning Interrupt*/ 550 #define CAN_IT_EPV ((uint32_t)0x00000200) /*!< Error passive Interrupt*/ 551 #define CAN_IT_BOF ((uint32_t)0x00000400) /*!< Bus-off Interrupt*/ 552 #define CAN_IT_LEC ((uint32_t)0x00000800) /*!< Last error code Interrupt*/ 553 #define CAN_IT_ERR ((uint32_t)0x00008000) /*!< Error Interrupt*/ 554 555 /* Flags named as Interrupts : kept only for FW compatibility */ 556 #define CAN_IT_RQCP0 CAN_IT_TME 557 #define CAN_IT_RQCP1 CAN_IT_TME 558 #define CAN_IT_RQCP2 CAN_IT_TME 559 560 561 #define IS_CAN_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FMP0) ||\ 562 ((IT) == CAN_IT_FF0) || ((IT) == CAN_IT_FOV0) ||\ 563 ((IT) == CAN_IT_FMP1) || ((IT) == CAN_IT_FF1) ||\ 564 ((IT) == CAN_IT_FOV1) || ((IT) == CAN_IT_EWG) ||\ 565 ((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\ 566 ((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\ 567 ((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK)) 568 569 #define IS_CAN_CLEAR_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FF0) ||\ 570 ((IT) == CAN_IT_FOV0)|| ((IT) == CAN_IT_FF1) ||\ 571 ((IT) == CAN_IT_FOV1)|| ((IT) == CAN_IT_EWG) ||\ 572 ((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\ 573 ((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\ 574 ((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK)) 575 576 /** 577 * @} 578 */ 579 580 /** @defgroup CAN_Legacy 581 * @{ 582 */ 583 #define CANINITFAILED CAN_InitStatus_Failed 584 #define CANINITOK CAN_InitStatus_Success 585 #define CAN_FilterFIFO0 CAN_Filter_FIFO0 586 #define CAN_FilterFIFO1 CAN_Filter_FIFO1 587 #define CAN_ID_STD CAN_Id_Standard 588 #define CAN_ID_EXT CAN_Id_Extended 589 #define CAN_RTR_DATA CAN_RTR_Data 590 #define CAN_RTR_REMOTE CAN_RTR_Remote 591 #define CANTXFAILE CAN_TxStatus_Failed 592 #define CANTXOK CAN_TxStatus_Ok 593 #define CANTXPENDING CAN_TxStatus_Pending 594 #define CAN_NO_MB CAN_TxStatus_NoMailBox 595 #define CANSLEEPFAILED CAN_Sleep_Failed 596 #define CANSLEEPOK CAN_Sleep_Ok 597 #define CANWAKEUPFAILED CAN_WakeUp_Failed 598 #define CANWAKEUPOK CAN_WakeUp_Ok 599 600 /** 601 * @} 602 */ 603 604 /** 605 * @} 606 */ 607 608 /** @defgroup CAN_Exported_Macros 609 * @{ 610 */ 611 612 /** 613 * @} 614 */ 615 616 /** @defgroup CAN_Exported_Functions 617 * @{ 618 */ 619 /* Function used to set the CAN configuration to the default reset state *****/ 620 void CAN_DeInit(CAN_TypeDef* CANx); 621 622 /* Initialization and Configuration functions *********************************/ 623 uint8_t CAN_Init(CAN_TypeDef* CANx, CAN_InitTypeDef* CAN_InitStruct); 624 void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct); 625 void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct); 626 void CAN_SlaveStartBank(uint8_t CAN_BankNumber); 627 void CAN_DBGFreeze(CAN_TypeDef* CANx, FunctionalState NewState); 628 void CAN_TTComModeCmd(CAN_TypeDef* CANx, FunctionalState NewState); 629 630 /* Transmit functions *********************************************************/ 631 uint8_t CAN_Transmit(CAN_TypeDef* CANx, CanTxMsg* TxMessage); 632 uint8_t CAN_TransmitStatus(CAN_TypeDef* CANx, uint8_t TransmitMailbox); 633 void CAN_CancelTransmit(CAN_TypeDef* CANx, uint8_t Mailbox); 634 635 /* Receive functions **********************************************************/ 636 void CAN_Receive(CAN_TypeDef* CANx, uint8_t FIFONumber, CanRxMsg* RxMessage); 637 void CAN_FIFORelease(CAN_TypeDef* CANx, uint8_t FIFONumber); 638 uint8_t CAN_MessagePending(CAN_TypeDef* CANx, uint8_t FIFONumber); 639 640 641 /* Operation modes functions **************************************************/ 642 uint8_t CAN_OperatingModeRequest(CAN_TypeDef* CANx, uint8_t CAN_OperatingMode); 643 uint8_t CAN_Sleep(CAN_TypeDef* CANx); 644 uint8_t CAN_WakeUp(CAN_TypeDef* CANx); 645 646 /* Error management functions *************************************************/ 647 uint8_t CAN_GetLastErrorCode(CAN_TypeDef* CANx); 648 uint8_t CAN_GetReceiveErrorCounter(CAN_TypeDef* CANx); 649 uint8_t CAN_GetLSBTransmitErrorCounter(CAN_TypeDef* CANx); 650 651 /* Interrupts and flags management functions **********************************/ 652 void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState); 653 FlagStatus CAN_GetFlagStatus(CAN_TypeDef* CANx, uint32_t CAN_FLAG); 654 void CAN_ClearFlag(CAN_TypeDef* CANx, uint32_t CAN_FLAG); 655 ITStatus CAN_GetITStatus(CAN_TypeDef* CANx, uint32_t CAN_IT); 656 void CAN_ClearITPendingBit(CAN_TypeDef* CANx, uint32_t CAN_IT); 657 658 #ifdef __cplusplus 659 } 660 #endif 661 662 #endif /* __AIR32F10x_CAN_H */ 663 /** 664 * @} 665 */ 666 667 /** 668 * @} 669 */ 670 671 /** 672 * @} 673 */ 674 675