Function rc_button_get_state#

Defined in File button.h

Function Documentation#

int rc_button_get_state(int chip, int pin)#

used to query the position of a button.

Parameters:

chip – [in] The gpio chip
pin – [in] The gpio pin for that chip

Returns:

RC_BTN_STATE_PRESSED or RC_BTN_STATE_RELEASED on success, -1 on failure.