Sentelic Touchpad

I have got a sentelic touchpad in my laptop.
I cant configure it with synaptic or something.
I have tried fscp in repo but it doesnt have enough options and also it has some bugs.
I want it close my touchpad when i type and when i plug usb mouse.
I tried touchfreeze but it uses synaptic configuration.
If it is not possible i just want to close it forever.
Plz help me.

some people suggested to create a folder in /etc/modprobe.d with single line “blacklist psmouse” to disable touchpad.
but the problem is “FATAL: Module psmouse is builtin”