schmitt trigger question

Hi guys,

   I have the schematic diagrams for a firmware project that uses schmitt
triggers on a series of output ports that have small DC motors connected to
them. The firmware project has a programmable microcontroller with enough
capability to allow it to execute a small program that is uploaded via a
blue tooth connection.

   According to my research and the project specs, the schmitt trigger(s)
on the output ports are supposed to automatically increase the current to
the motor if the motor pulls too much power for an extended period of time,
i.e. the 'high' threshold for the schmitt trigger circuit is crossed.

   My question is, can the "firing" of the schmitt trigger be controlled or
atleast detected by code? If my code can't control exactly if or when the
schmitt trigger increases the power to the motor, can it atleast detect
when this happens? Is this possible? Thoughts? Ideas? Thanks guys.


John