fnet_ain.py

# This script is licensed under BSD License, see file LICENSE.txt.
#
# (c) TASKING Germany GmbH, 2023
 
"""
This example shows basic FNet AIN controller initialization and usage.
"""
 
import isystem.connect as ic
 
winidea_id = ''
 
 
try:
    # connect to last winIDEA
    connMgr = ic.ConnectionMgr()
    connMgr.connect(ic.CConnectionConfig().instanceId(winidea_id))
 
    # initialize FNet AIN Controller
    SessionCtrl = ic.CSessionCtrl(connMgr)
    FNetCtrl = ic.CFNetCtrl(connMgr)
    AINCtrl = FNetCtrl.AIN('ADIO.AIN1')
 
    
 
    optAINCfg = AINCtrl.cfg()
    optAINCfg.reset()
 
    nMyChannel = 0
    # configure channel in one call
    optAINCfg.set_channel(nChannel = nMyChannel, strName = 'MyAINChannel', bShow = True, dMultiply = 2.0)
    # configure channel individually (JU) delay impl to later time
#    optChannelCfg = optAINCfg.opt_channel(nMyChannel)
#    optChannelCfg.set_name('MyAINChannel')
#    optChannelCfg.set_show(True)
#    optChannelCfg.set_multiply(3.14)
 
    # set averager, if the given value is not directly available, winIDEA will use the next bigger one
    # if value==0, averager is disabled <= AlexB modify also Data.FNet.FNode[0].Cfg.AIN[0].Cfg.UseAverager accodingly
    optAINCfg.set_averager(8)
 
    # don't use power measurement
    optAINCfg.power_measurement_disable()
    if False: # here's how to set it, 1 Ohm shunt
      optAINCfg.power_measurement_enable(1.0)
 
    
 
    # SessionCtrl.end() #end first for cfg to take effect
    SessionCtrl.begin_prepare()
 
    
 
    # use FNetTrigger 5 in the example
    FTrigQ = 5
    FTrigGen = 6
 
    optAINOp = AINCtrl.op()
    # qualifier - starts on FTrig, not enabled from start
    AINCtrl.op_qualifier_enable(FTrigQ)
    AINCtrl.op_qualifier_enable_on_start(False)
 
    # qualifier - sampling interval every 10us
    optAINOp.set_sampling_interval(0.00001)
 
    # configure channel 
    optChannel = optAINOp.opt_channel(nMyChannel)
    optChannel.set_record(True)
    optChannel.set_comparator(nComparator = 0, nFTrig = FTrigGen, bHigherThan = False, dVoltage = 3.0)
 
    # apply new operation settings and restart operation
    FNetCtrl.op_apply()
 
    
    voltage = AINCtrl.ctrl_get_channel(nMyChannel)
except Exception as ex:
    print(ex)