I am trying to select the GPIO function that is mux’ed with Serial port B on this ConnectCore Wi-9C board. I have changed in #define BSP_GPIO_MUX_SERIAL_B to BSP_GPIO_MUX_INTERNAL_USE only in the gpio.h file. I have also tried disabling the serial driver for serial port b in the bsp.h file. When I try toggling this port there is no effect. I have been successful doing this with GPIO pins that are not multiplexed. This is all with net os 7.0. Any help would be greatly appreciated.