void halButtonIsr (uint8_t button, uint8_t state)
 A callback called in interrupt context whenever a button changes its state.

Detailed Description

These callbacks are contributed by the Button plugin.

Function Documentation

void halButtonIsr ( uint8_t  button,
uint8_t  state 

Must be implemented by the application. This function should contain the functionality to be executed in response to changes of state in each of the buttons, or callbacks to the appropriate functionality.

buttonThe button which has changed state, either BUTTON0 or BUTTON1 as defined in the appropriate BOARD_HEADER.
stateThe new state of the button referenced by the button parameter, either BUTTON_PRESSED if the button has been pressed or BUTTON_RELEASED if the button has been released.