The function returns either `PAL_HIGH` (actually `1`) or `PAL_LOW` (actually `0`).
palReadPad(TEENSY_PINn_IOPORT, TEENSY_PINn);
The function returns either `PAL_HIGH` (actually `1`) or `PAL_LOW` (actually `0`).
+
+### Further docs
+
+All the commands that are available for pin manipulation through ChibiOS HAL are documented in [ChibiOS PAL driver docs](http://chibios.sourceforge.net/docs3/hal/group___p_a_l.html).