external interrupt on nrf51822

[rushin]

hello there i want to generate external interrupt from adxl345.can you help me? can we do same like we are using with button??

[rushin]

i think this code is useful for me.but i can't understand it. can anyone explain me how button_event_handler is used in buttons init function??

here they don't use two arguments like uint8_t pin_no, uint8_t button_action. can anyone explain me??