The QMatrix acquisition method libraries needs to be used after configuring X and YA and YB lines on IO pins of the port as described in the configuration rules described in the section below. The QTouch Studio Pin Configurator Wizard can be used to assign X, YA, YB, SMP lines on the pins and rules are internally taken care in the Qtouch Studio Pin Configurator Wizard.
The snippets can be taken from the QTouch Studio Pin Configurator Wizard and copied to appropriate places in the main.c and touch_config.h files in the example projects provided.