/////////pyvcp-dro6.hal
loadusr -Wn fred pyvcp -c fred pyvcp-dro6.xml
waitusr fred
newsig Xzero bit
show pin
linksp Xzero <= fred.Xzerobutton
/////////pyvcp-dro6.xml
<?xml version='1.0' encoding='UTF-8'?>
<pyvcp>
<vbox>
<button>
<text>"Zero"</text>
<halpin>"Xzerobutton"</halpin>
</button>
</vbox>
</pyvcp>
//////////////////////////result//////////////////////////
tomp@cncbox:~/emc2-head$ halrun pyvcp-dro6.hal
pyVCP: Creating widgets from pyvcp-dro6.xml ... Done.
Component Pins:
Owner Type Dir Value Name
HAL: ERROR: pin 'fred.Xzerobutton' not found
HAL:5: link failed