private void buttonTestVPP_Click(object sender, EventArgs e)
{
float vdd = 0;
float vpp = 0;
labelVPPLow.Visible = false;
labelVPPMCLR.Visible = false;
labelVPPMCLROff.Visible = false;
labelVPPPass.Visible = false;
labelVPPShort.Visible = false;
labelVPPVDDShort.Visible = false;
labelReadVPP.Text = "";
Thread.Sleep(250); // sleep a bit to let VDD bleed down.
// check for a powered target first
if (Pk2.CheckTargetPower(ref vdd, ref vpp) == KONST.PICkit2PWR.selfpowered)
{
Pk2.VddOff();
}
else
{
Pk2.SetVDDVoltage((float)numericUpDown1.Value, 0.85F);
Pk2.VddOn();
}
// Set VPP voltage
float expectedVPP;
if (Pk2.DevFile.Families[Pk2.GetActiveFamily()].Vpp > 1)
{
expectedVPP = Pk2.DevFile.Families[Pk2.GetActiveFamily()].Vpp;
}
else
{
expectedVPP = (float)numericUpDown1.Value;
}
Pk2.SetVppVoltage(expectedVPP, 0.50F);
byte[] vppscript = new byte[8];
vppscript[0] = KONST._VPP_OFF;
vppscript[1] = KONST._VPP_PWM_ON;
vppscript[2] = KONST._DELAY_LONG;
vppscript[3] = 30;
vppscript[4] = KONST._MCLR_GND_OFF;
vppscript[5] = KONST._VPP_ON;
vppscript[6] = KONST._DELAY_LONG;
vppscript[7] = 20;
Pk2.SendScript(vppscript);
// check status first for shorts
KONST.PICkit2PWR status = Pk2.PowerStatus();
if ((status == KONST.PICkit2PWR.vdderror) || (status == Constants.PICkit2PWR.vddvpperrors))
{ //VDD short!
labelVPPVDDShort.Visible = true;
}
else if (status == KONST.PICkit2PWR.vpperror)
{//VPP short
labelVPPShort.Visible = true;
labelReadVPP.Text = "Short!";
}
else if (status != Constants.PICkit2PWR.no_response)
{ // status OK, read VPP voltage
if (Pk2.ReadPICkitVoltages(ref vdd, ref vpp))
{
labelReadVPP.Text = string.Format("{0:0.0} V", vpp);
if ((expectedVPP - vpp) > 0.3F)
{
labelVPPLow.Visible = true;
}
else
{
labelVPPPass.Visible = true;
}
}
}
}
