""" Ctypes wrapper module for IXXAT Virtual CAN Interface V4 on win32 systems Copyright (C) 2016 Giuseppe Corbelli """ from . import structures FALSE = 0 TRUE = 1 INFINITE = 0xFFFFFFFF VCI_MAX_ERRSTRLEN = 256 # Bitrates CAN_BT0_10KB = 0x31 CAN_BT1_10KB = 0x1C CAN_BT0_20KB = 0x18 CAN_BT1_20KB = 0x1C CAN_BT0_50KB = 0x09 CAN_BT1_50KB = 0x1C CAN_BT0_100KB = 0x04 CAN_BT1_100KB = 0x1C CAN_BT0_125KB = 0x03 CAN_BT1_125KB = 0x1C CAN_BT0_250KB = 0x01 CAN_BT1_250KB = 0x1C CAN_BT0_500KB = 0x00 CAN_BT1_500KB = 0x1C CAN_BT0_667KB = 0x00 CAN_BT1_667KB = 0x18 CAN_BT0_800KB = 0x00 CAN_BT1_800KB = 0x16 CAN_BT0_1000KB = 0x00 CAN_BT1_1000KB = 0x14 # Facilities/severities SEV_INFO = 0x40000000 SEV_WARN = 0x80000000 SEV_ERROR = 0xC0000000 SEV_MASK = 0xC0000000 SEV_SUCCESS = 0x00000000 RESERVED_FLAG = 0x10000000 CUSTOMER_FLAG = 0x20000000 STATUS_MASK = 0x0000FFFF FACILITY_MASK = 0x0FFF0000 # Or so I hope FACILITY_STD = 0 SEV_STD_INFO = SEV_INFO | CUSTOMER_FLAG | FACILITY_STD SEV_STD_WARN = SEV_WARN | CUSTOMER_FLAG | FACILITY_STD SEV_STD_ERROR = SEV_ERROR | CUSTOMER_FLAG | FACILITY_STD FACILITY_VCI = 0x00010000 SEV_VCI_INFO = SEV_INFO | CUSTOMER_FLAG | FACILITY_VCI SEV_VCI_WARN = SEV_WARN | CUSTOMER_FLAG | FACILITY_VCI SEV_VCI_ERROR = SEV_ERROR | CUSTOMER_FLAG | FACILITY_VCI FACILITY_DAL = 0x00020000 SEV_DAL_INFO = SEV_INFO | CUSTOMER_FLAG | FACILITY_DAL SEV_DAL_WARN = SEV_WARN | CUSTOMER_FLAG | FACILITY_DAL SEV_DAL_ERROR = SEV_ERROR | CUSTOMER_FLAG | FACILITY_DAL FACILITY_CCL = 0x00030000 SEV_CCL_INFO = SEV_INFO | CUSTOMER_FLAG | FACILITY_CCL SEV_CCL_WARN = SEV_WARN | CUSTOMER_FLAG | FACILITY_CCL SEV_CCL_ERROR = SEV_ERROR | CUSTOMER_FLAG | FACILITY_CCL FACILITY_BAL = 0x00040000 SEV_BAL_INFO = SEV_INFO | CUSTOMER_FLAG | FACILITY_BAL SEV_BAL_WARN = SEV_WARN | CUSTOMER_FLAG | FACILITY_BAL SEV_BAL_ERROR = SEV_ERROR | CUSTOMER_FLAG | FACILITY_BAL # Errors VCI_SUCCESS = 0x00 VCI_OK = 0x00 VCI_E_UNEXPECTED = SEV_VCI_ERROR | 0x0001 VCI_E_NOT_IMPLEMENTED = SEV_VCI_ERROR | 0x0002 VCI_E_OUTOFMEMORY = SEV_VCI_ERROR | 0x0003 VCI_E_INVALIDARG = SEV_VCI_ERROR | 0x0004 VCI_E_NOINTERFACE = SEV_VCI_ERROR | 0x0005 VCI_E_INVPOINTER = SEV_VCI_ERROR | 0x0006 VCI_E_INVHANDLE = SEV_VCI_ERROR | 0x0007 VCI_E_ABORT = SEV_VCI_ERROR | 0x0008 VCI_E_FAIL = SEV_VCI_ERROR | 0x0009 VCI_E_ACCESSDENIED = SEV_VCI_ERROR | 0x000A VCI_E_TIMEOUT = SEV_VCI_ERROR | 0x000B VCI_E_BUSY = SEV_VCI_ERROR | 0x000C VCI_E_PENDING = SEV_VCI_ERROR | 0x000D VCI_E_NO_DATA = SEV_VCI_ERROR | 0x000E VCI_E_NO_MORE_ITEMS = SEV_VCI_ERROR | 0x000F VCI_E_NOT_INITIALIZED = SEV_VCI_ERROR | 0x0010 VCI_E_ALREADY_INITIALIZED = SEV_VCI_ERROR | 0x00011 VCI_E_RXQUEUE_EMPTY = SEV_VCI_ERROR | 0x00012 VCI_E_TXQUEUE_FULL = SEV_VCI_ERROR | 0x0013 VCI_E_BUFFER_OVERFLOW = SEV_VCI_ERROR | 0x0014 VCI_E_INVALID_STATE = SEV_VCI_ERROR | 0x0015 VCI_E_OBJECT_ALREADY_EXISTS = SEV_VCI_ERROR | 0x0016 VCI_E_INVALID_INDEX = SEV_VCI_ERROR | 0x0017 VCI_E_END_OF_FILE = SEV_VCI_ERROR | 0x0018 VCI_E_DISCONNECTED = SEV_VCI_ERROR | 0x0019 VCI_E_WRONG_FLASHFWVERSION = SEV_VCI_ERROR | 0x001A # Controller status CAN_STATUS_TXPEND = 0x01 # transmission pending CAN_STATUS_OVRRUN = 0x02 # data overrun occurred CAN_STATUS_ERRLIM = 0x04 # error warning limit exceeded CAN_STATUS_BUSOFF = 0x08 # bus off status CAN_STATUS_ININIT = 0x10 # init mode active CAN_STATUS_BUSCERR = 0x20 # bus coupling error # Controller operating modes CAN_OPMODE_UNDEFINED = 0x00 # undefined CAN_OPMODE_STANDARD = 0x01 # reception of 11-bit id messages CAN_OPMODE_EXTENDED = 0x02 # reception of 29-bit id messages CAN_OPMODE_ERRFRAME = 0x04 # reception of error frames CAN_OPMODE_LISTONLY = 0x08 # listen only mode (TX passive) CAN_OPMODE_LOWSPEED = 0x10 # use low speed bus interface CAN_OPMODE_AUTOBAUD = 0x20 # automatic bit rate detection # Extended operating modes CAN_EXMODE_DISABLED = 0x00 CAN_EXMODE_EXTDATALEN = 0x01 CAN_EXMODE_FASTDATA = 0x02 CAN_EXMODE_NONISOCANFD = 0x04 # Message types CAN_MSGTYPE_DATA = 0 CAN_MSGTYPE_INFO = 1 CAN_MSGTYPE_ERROR = 2 CAN_MSGTYPE_STATUS = 3 CAN_MSGTYPE_WAKEUP = 4 CAN_MSGTYPE_TIMEOVR = 5 CAN_MSGTYPE_TIMERST = 6 # Information supplied in the abData[0] field of info frames # (CANMSGINFO.Bytes.bType = CAN_MSGTYPE_INFO). CAN_INFO_START = 1 CAN_INFO_STOP = 2 CAN_INFO_RESET = 3 # Information supplied in the abData[0] field of info frames # (CANMSGINFO.Bytes.bType = CAN_MSGTYPE_ERROR). CAN_ERROR_STUFF = 1 # stuff error CAN_ERROR_FORM = 2 # form error CAN_ERROR_ACK = 3 # acknowledgment error CAN_ERROR_BIT = 4 # bit error CAN_ERROR_CRC = 6 # CRC error CAN_ERROR_OTHER = 7 # other (unspecified) error # acceptance code and mask to reject all CAN IDs CAN_ACC_MASK_NONE = 0xFFFFFFFF CAN_ACC_CODE_NONE = 0x80000000 # BTMODEs CAN_BTMODE_RAW = 0x00000001 # raw mode CAN_BTMODE_TSM = 0x00000002 # triple sampling mode CAN_FILTER_VOID = 0x00 # invalid or unknown filter mode (do not use for initialization) CAN_FILTER_LOCK = 0x01 # lock filter (inhibit all IDs) CAN_FILTER_PASS = 0x02 # bypass filter (pass all IDs) CAN_FILTER_INCL = 0x03 # inclusive filtering (pass registered IDs) CAN_FILTER_EXCL = 0x04 # exclusive filtering (inhibit registered IDs) # message information flags (used by ) CAN_MSGFLAGS_DLC = 0x0F # [bit 0] data length code CAN_MSGFLAGS_OVR = 0x10 # [bit 4] data overrun flag CAN_MSGFLAGS_SRR = 0x20 # [bit 5] self reception request CAN_MSGFLAGS_RTR = 0x40 # [bit 6] remote transmission request CAN_MSGFLAGS_EXT = 0x80 # [bit 7] frame format (0=11-bit, 1=29-bit) # extended message information flags (used by ) CAN_MSGFLAGS2_SSM = 0x01 # [bit 0] single shot mode CAN_MSGFLAGS2_HPM = 0x02 # [bit 1] high priority message CAN_MSGFLAGS2_EDL = 0x04 # [bit 2] extended data length CAN_MSGFLAGS2_FDR = 0x08 # [bit 3] fast data bit rate CAN_MSGFLAGS2_ESI = 0x10 # [bit 4] error state indicator CAN_MSGFLAGS2_RES = 0xE0 # [bit 5..7] reserved bits CAN_ACCEPT_REJECT = 0x00 # message not accepted CAN_ACCEPT_ALWAYS = 0xFF # message always accepted CAN_ACCEPT_FILTER_1 = 0x01 # message accepted by filter 1 CAN_ACCEPT_FILTER_2 = 0x02 # message accepted by filter 2 CAN_ACCEPT_PASSEXCL = 0x03 # message passes exclusion filter CAN_FEATURE_STDOREXT = 0x00000001 # 11 OR 29 bit (exclusive) CAN_FEATURE_STDANDEXT = 0x00000002 # 11 AND 29 bit (simultaneous) CAN_FEATURE_RMTFRAME = 0x00000004 # reception of remote frames CAN_FEATURE_ERRFRAME = 0x00000008 # reception of error frames CAN_FEATURE_BUSLOAD = 0x00000010 # bus load measurement CAN_FEATURE_IDFILTER = 0x00000020 # exact message filter CAN_FEATURE_LISTONLY = 0x00000040 # listen only mode CAN_FEATURE_SCHEDULER = 0x00000080 # cyclic message scheduler CAN_FEATURE_GENERRFRM = 0x00000100 # error frame generation CAN_FEATURE_DELAYEDTX = 0x00000200 # delayed message transmitter CAN_FEATURE_SINGLESHOT = 0x00000400 # single shot mode CAN_FEATURE_HIGHPRIOR = 0x00000800 # high priority message CAN_FEATURE_AUTOBAUD = 0x00001000 # automatic bit rate detection CAN_FEATURE_EXTDATA = 0x00002000 # extended data length (CANFD) CAN_FEATURE_FASTDATA = 0x00004000 # fast data bit rate (CANFD) CAN_FEATURE_ISOFRAME = 0x00008000 # ISO conform frame (CANFD) CAN_FEATURE_NONISOFRM = ( 0x00010000 # non ISO conform frame (CANFD) (different CRC computation) ) CAN_FEATURE_64BITTSC = 0x00020000 # 64-bit time stamp counter CAN_BITRATE_PRESETS = { 250000: structures.CANBTP( dwMode=0, dwBPS=250000, wTS1=6400, wTS2=1600, wSJW=1600, wTDO=0 ), # SP = 80,0% 500000: structures.CANBTP( dwMode=0, dwBPS=500000, wTS1=6400, wTS2=1600, wSJW=1600, wTDO=0 ), # SP = 80,0% 1000000: structures.CANBTP( dwMode=0, dwBPS=1000000, wTS1=6400, wTS2=1600, wSJW=1600, wTDO=0 ), # SP = 80,0% } CAN_DATABITRATE_PRESETS = { 500000: structures.CANBTP( dwMode=0, dwBPS=500000, wTS1=6400, wTS2=1600, wSJW=1600, wTDO=6400 ), # SP = 80,0% 833333: structures.CANBTP( dwMode=0, dwBPS=833333, wTS1=1600, wTS2=400, wSJW=400, wTDO=1620 ), # SP = 80,0% 1000000: structures.CANBTP( dwMode=0, dwBPS=1000000, wTS1=1600, wTS2=400, wSJW=400, wTDO=1600 ), # SP = 80,0% 1538461: structures.CANBTP( dwMode=0, dwBPS=1538461, wTS1=1000, wTS2=300, wSJW=300, wTDO=1040 ), # SP = 76,9% 2000000: structures.CANBTP( dwMode=0, dwBPS=2000000, wTS1=1600, wTS2=400, wSJW=400, wTDO=1600 ), # SP = 80,0% 4000000: structures.CANBTP( dwMode=0, dwBPS=4000000, wTS1=800, wTS2=200, wSJW=200, wTDO=800 ), # SP = 80,0% 5000000: structures.CANBTP( dwMode=0, dwBPS=5000000, wTS1=600, wTS2=200, wSJW=200, wTDO=600 ), # SP = 75,0% 6666666: structures.CANBTP( dwMode=0, dwBPS=6666666, wTS1=400, wTS2=200, wSJW=200, wTDO=402 ), # SP = 66,7% 8000000: structures.CANBTP( dwMode=0, dwBPS=8000000, wTS1=400, wTS2=100, wSJW=100, wTDO=250 ), # SP = 80,0% 10000000: structures.CANBTP( dwMode=0, dwBPS=10000000, wTS1=300, wTS2=100, wSJW=100, wTDO=200 ), # SP = 75,0% }