private void change_power_mode(power_mode pm)
{
if (pm != power_mode.P8V && pm != power_mode.P20V && pm != power_mode.P35V && pm != power_mode.P60V)
{
Console.WriteLine("Attempting to change to bad power mode! mode={0}", power_mode_to_raw_text(pm));
return;
}
connection_status t = pause_polling_thread();
thread_safe_update_status_bar("Changing power mode.");
// send the change power mode to x command
string s = "";
// note that there are no asterisks regardless of what the manual would have you believe
s = quick_clear_write_read("VOLT:RANG " +
power_mode_to_raw_text(pm) + "\n");
current_mode = pm;
resume_polling_thread(t);
}
// for displaying text to the user
private string power_mode_to_ui_text(power_mode pm)
{
switch (pm)
{
case power_mode.P8V: return "8V/3A";
case power_mode.P20V: return "20V/1.5A";
case power_mode.P35V: return "35V";
case power_mode.P60V: return "60V";
case power_mode.undefined:
default:
return "undefined";
}
}
// reads the current power mode and returns:
// 1 on 8V/3A
// 2 on 20V/1.5A
// 3 on 35V
// 4 on 60V
// -10 on bad parsing of response or bad response
// -20 on some other error
// -1 on "nothing happened"
private int quick_power_mode_read()
{
int ret_val = -1;
try
{
string s = quick_clear_write_read("VOLT:RANG?\n");
if (s.Contains(power_mode_to_raw_text(power_mode.P8V)))
{
current_mode = power_mode.P8V;
ret_val = 1;
}
else if (s.Contains(power_mode_to_raw_text(power_mode.P20V)))
{
current_mode = power_mode.P20V;
ret_val = 2;
}
else if (s.Contains(power_mode_to_raw_text(power_mode.P35V)))
{
current_mode = power_mode.P35V;
ret_val = 4;
}
else if (s.Contains(power_mode_to_raw_text(power_mode.P60V)))
{
current_mode = power_mode.P60V;
ret_val = 5;
}
else
{
current_mode = power_mode.undefined;
ret_val = -10;
}
cbModes.Text = power_mode_to_ui_text(current_mode);
return ret_val;
}
catch
{
MessageBox.Show("Something went wrong reading the current power mode");
ret_val = -20;
}
return ret_val;
}
// for parsing a response from the power supply
private string power_mode_to_raw_text(power_mode pm)
{
switch(pm)
{
case power_mode.P8V: return "P8V";
case power_mode.P20V: return "P20V";
case power_mode.P35V: return "P35V";
case power_mode.P60V: return "P60V";
case power_mode.undefined:
default:
return "undefined";
}
}
