Blink led on linux getting started guide

Question

hi. i used getting started guide to blink led. linux built using BSP 2015.4 board is functioning. trying to change led statet - no success. reading PushButton state - work well. what could be wrong?

Former Member · Accepted Answer

boot jumpers was set to QSPI. all GPIO was in logic state 1, and could not be controlled. once changed Boot to SD - i was able to control all GPIOs. any explanation to that?