loadusr -W pyvcp -c pyvcp pyvcp_demo.xml
show pin
net bit1 pyvcp.button-sample => pyvcp.led-sample
net float1 pyvcp.scale-sample-f => pyvcp.number-sample
net float2 pyvcp.spinbox.0 => pyvcp.bar-sample
loadusr -w echo Type 'exit' to leave the pyvcp demo
loadusr -w halcmd -kf