Sun, 15 Feb 2015 18:06:21 +0100
PID old error was not set to the previous value but was always zero.
#ifndef _PANEL_H #define _PANEL_H #ifdef HAVE_WIRINGPI_H /* * GPIO pins for the frontpanel LED and push buttons. */ #define PANEL_LED 2 #define PANEL_ENTER 4 #define PANEL_DOWN 5 #define PANEL_UP 6 /* * Key names */ #define KEY_NONE 0 #define KEY_UP 1 #define KEY_DOWN 2 #define KEY_ESCAPE 3 #define KEY_ENTER 4 #define KEY_CONFIRM 5 /* Long Enter */ #define KEY_ALL 99 int keycheck(void); PI_THREAD (my_panel_loop); #endif #endif