fnet_can.py

# This script is licensed under BSD License, see file LICENSE.txt.
#
# (c) TASKING Germany GmbH, 2023
 
"""
This example shows basic FNet CAN controller initialization and usage.
 
(c) iSYSTEM Labs, 2022
"""
import isystem.connect as ic
 
winidea_id = ''
 
 
try:
    # connect to last winIDEA
    connMgr = ic.ConnectionMgr()
    connMgr.connect(ic.CConnectionConfig().instanceId(winidea_id))
 
    # initialize FNet CAN Controller
    SessionCtrl = ic.CSessionCtrl(connMgr)
    FNetCtrl = ic.CFNetCtrl(connMgr)
    CANCtrl = FNetCtrl.CAN('CAN2LIN2.CAN1')
 
    
 
    optCANCfg = CANCtrl.cfg()
    SessionCtrl.begin_reset()
 
    optCANCfg.set_mode(ic.ECAN_CAN_FD_ISO)
    optCANCfg.set_allow_injection(False)
    optCANCfg.set_arbitration  (nBaudrate_kbps = 1000, nBitSamplingPoint = 70)
    optCANCfg.set_FD_data_phase(nBaudrate_kbps = 1000, nBitSamplingPoint = 70)
 
    # configure the network (not implemented)
    # optNetworkCfg = optCANCfg.opt_network()
    # optNetworkCfg.set_name('Airbag')
    # optNetworkCfg.add_description_file('Airbag.dbc')
 
    
 
    SessionCtrl.end() #end first for cfg to take effect
    SessionCtrl.begin_prepare()
 
    
 
    # use FNetTrigger 5 in the example
    FTrig = 5
 
    optCANOp = CANCtrl.op()
    # qualifier - starts on FTrig, not enabled from start
    CANCtrl.op_qualifier_enable(FTrig)
    CANCtrl.op_qualifier_enable_on_start(False)
 
    # don't record all received messages
    optCANOp.set_record_all_received(False)
    # configure error in one call
    optCANOp.set_error(bRecord = False, nFTrig = FTrig) 
    # configure comparator in one call
    optCANOp.set_comparator(nComparator = 0, bRecord = False, nFTrig = FTrig, eLength = ic.ECAN_Standard, nID = 11, nMask = 0xff, eType = ic.ECAN_Data) 
 
    # configure comparator 1 individually (JU) delay impl to later time
#    optComparator = optCANOp.opt_comparator(1)
#    optComparator.set_record(True)              # record when matching
#    optComparator.set_FTrig(FTrig)              # generate this trigger
#    optComparator.set_length(ic.ECAN_Standard)
#    optComparator.set_ID(12)
#    optComparator.set_mask(0xff)
#    optComparator.set_type(ic.ECAN_Both)
 
    # record all injected  messages
    optCANOp.set_record_all_injected(True)
 
    # configure action 0 in one call
    optCANOp.set_action(nAction = 0, nFTrig = FTrig, eLength = ic.ECAN_Standard, nID = 11, bFD = True, bBRS = False, bESI = False, bRequest = False, rstrData = '01020304') 
    # configure action 1 individually (JU) delay impl to later time
#    optAction = optCANOp.opt_action(1)
#    optAction.set_FTrig(FTrig)
#    optAction.set_length(ic.ECAN_Standard)
#    optAction.set_ID(13)
#    optAction.set_FD(True)
#    optAction.set_BRS(False)
#    optAction.set_ESI(False)
#    optAction.set_request(False)
#    optAction.set_data('01020304')
 
    # apply new operation settings and restart operation
    FNetCtrl.op_apply()
 
    
    CANCtrl.ctrl_inject(eLength = ic.ECAN_Standard, nID = 11, bFD = True, bBRS = False, bESI = False, bRequest = False, rstrData = '01020304')
 
except Exception as ex:
    print(ex)