protocolsB.hoc

/*
Find excitation threshold to 4 significant figures.

Case B (uniform gradient field)
Threshold in V/m

Parameters

waveform
  waveform type
    monophasic pulse
    biphasic square wave
  TP (ms)

axon diameter D (um)
*/

TRUE = 1
FALSE = 0

// stimulus waveform
waveform = 0
PULSE = 1  // single pulse
SQUARE = 2 // biphasic square wave
SINE = 3   // sine with NC cycles

TP = 0 // phase duration (ms)
NC = 0 // number of cycles, a nonnegative integer

strdef wstr

func protocol() {
  waveform = TP = NC = 0
  if ($1==13) {
    waveform = PULSE
    wstr = "pls"
    TP = 5e-3
    NC = 1
  }
  if ($1==14) {
    waveform = PULSE
    wstr = "pls"
    TP = 2.0
    NC = 1
  }
  if ($1==16) {
    waveform = SQUARE
    wstr = "sqr"
    TP = 5e-3
    NC = 1
  }
  if ($1==17) {
    waveform = SQUARE
    wstr = "sqr"
    TP = 2.0
    NC = 1
  }
/*
  pstr = "" // start anew
  if (waveform>0) {
    sprint(pstr, "%s   tp %5.3f   ", wstr, TP) // common to all
    wstr = pstr
    if (waveform==SINE) sprint(pstr, "%snc %7.1f \t", wstr, NC) // peculiar to sine
    wstr = pstr
    sprint(pstr, "%sxa,ya %5.2f,%5.2f   xc,yc %5.2f,%5.2f   thresh ", wstr, XA, YA, XC, YC) // common to all
  }
 print pstr, $1
*/
  return waveform>0
}

strdef pstr

proc testprotocols() { local ii
  for ii=0,18 {
    pstr = "" // start anew
    protocol(ii)
    if (waveform>0) {
      sprint(pstr, "%s   tp %5.3f   ", wstr, TP) // common to all
      wstr = pstr
      if (waveform==SINE) sprint(pstr, "%snc %7.1f \t", wstr, NC) // peculiar to sine
      wstr = pstr
//      sprint(pstr, "%sxa,ya %5.2f,%5.2f   xc,yc %5.2f,%5.2f   thresh ", wstr, XA, YA, XC, YC) // common to all
    }
    print ii, pstr
  }
}