fnet_dio.py

# This script is licensed under BSD License, see file LICENSE.txt.
#
# (c) TASKING Germany GmbH, 2023
 
"""
This example shows basic FNet DIO 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 DIO Controller
    SessionCtrl = ic.CSessionCtrl(connMgr)
    FNetCtrl = ic.CFNetCtrl(connMgr)
    DIOCtrl = FNetCtrl.DIO('ADIO.DIO1')
 
    
 
    optDIOCfg = DIOCtrl.cfg()
    optDIOCfg.reset()
 
    # configure bank 0 as 3.3V inputs
    optDIOCfg.set_bank(nBank = 0, bOutput = False, dThreshold = 3.3)
    # configure bank 3 as 3.3V outputs
    optDIOCfg.set_bank(nBank = 3, bOutput = True, dThreshold = 3.3)
 
    nMyInputChannel = 0
    nMyOutputChannel = 25
    nMyOtherOutputChannel = 27
    optDIOCfg.set_channel(nChannel = nMyInputChannel, strName = 'MyInputChannel', bShow = True, bInitialHi = False)
    optDIOCfg.set_channel(nChannel = nMyOtherOutputChannel, strName = 'MyOtherOutputChannel', bShow = True, bInitialHi = False)
 
    
 
    SessionCtrl.end() #end first for cfg to take effect
    SessionCtrl.begin_prepare()
 
    
 
    # use FNetTrigger 5 in the example
    FTrig = 5
    FTrigStop = 6
    nPattern = 3
 
    optDIOOp = DIOCtrl.op()
    # qualifier - starts on FTrig, not enabled from start
    DIOCtrl.op_qualifier_enable(FTrig)
    DIOCtrl.op_qualifier_enable_on_start(False)
 
    # which channels to record - ALL, including outputs
    optDIOOp.set_record(ic.ERecord_ALL)
 
    # configure comparator 0
    optComparator = optDIOOp.opt_comparator(0)
    # set all channels to ignore
    optComparator.set_channel_ignore_all()
    # comparator to consider input Channel when state is high
    optComparator.set_channel_state(nMyInputChannel, bHi = True)
    # generate this trigger
    optComparator.set_FTrig(FTrig)
 
    # configure action 1, when FTrig occurs, set output Channel to high
    optDIOOp.set_action(nAction = 1, nFTrig = FTrig, nChannel = nMyOutputChannel, bHi = True)
 
    # configure pattern 3
    optPattern = optDIOOp.opt_pattern(nPattern)
    # pattern will use two channels
    vPatternChannels = ic.IntVector([nMyOutputChannel, nMyOtherOutputChannel])
    optPattern.set_channels(vPatternChannels)
    # when started, it will run until explicitly stopped
    optPattern.set_operation(ic.EOperation_CONTINUOUS)
    # pattern waveform is 3ms of state MyOutputChannel = 1, MyOtherOutputChannel = 0, then 5ms MyOutputChannel = 0, MyOtherOutputChannel = 1
    optPattern.set_pattern("10,3ms;01,5ms")
    # pattern starts on FTrig=5, it's not active from start of session
    optPattern.set_start(FTrig, False)
    # pattern stops on FTrigStop
    optPattern.set_stop(FTrigStop, False)
 
    # apply new operation settings and restart operation
    FNetCtrl.op_apply()
 
    
    ChannelState = DIOCtrl.ctrl_get_channel(nMyInputChannel)
    DIOCtrl.ctrl_set_channel(nMyOutputChannel, ChannelState)
 
    # manually start pattern
    DIOCtrl.ctrl_start_pattern(nPattern)
    # manually stop pattern
    DIOCtrl.ctrl_stop_pattern(nPattern)
except Exception as ex:
    print(ex)