Mercurial > mbsePi-apps / file diff

--- a/thermferm/panel.c	Sat Aug 09 17:24:32 2014 +0200
+++ b/thermferm/panel.c	Sat Aug 09 21:42:28 2014 +0200
@@ -21,18 +21,51 @@
  *****************************************************************************/
 
 #include "thermferm.h"
+#include "lcd-pcf8574.h"
 #include "panel.h"
 
+
 #ifdef HAVE_WIRINGPI_H
 
 
 extern int		my_shutdown;
 extern int		debug;
 
+int			Key_Enter = FALSE;
+int			Key_Enter_Long = FALSE;
+int			Key_Up = FALSE;
+int			Key_Down = FALSE;
+
+
+int keycheck(void)
+{
+    if (Key_Enter && Key_Up && Key_Down)
+	return KEY_ALL;
+    if (Key_Up && Key_Down)
+	return KEY_UPDOWN;
+    if (Key_Up)
+	return KEY_UP;
+    if (Key_Down)
+	return KEY_DOWN;
+    if (Key_Enter_Long)
+	return KEY_CONFIRM;
+    if (Key_Enter)
+	return KEY_ENTER;
+    return KEY_NONE;
+}
+
 
 
 PI_THREAD (my_panel_loop)
 {
+    int		Enter = 0, Up = 0, Down = 0, Backlight = LCD_SLEEP, AnyKey = FALSE;
+    time_t	Last = (time_t)0, Now;
+
+    pinMode(PANEL_LED, OUTPUT);
+    pinMode(PANEL_ENTER, INPUT);
+    pinMode(PANEL_UP, INPUT);
+    pinMode(PANEL_DOWN, INPUT);
+
 
     syslog(LOG_NOTICE, "Thread my_panel_loop started");
     if (debug)
@@ -45,6 +78,71 @@
 	if (my_shutdown)
 	    break;
 
+	if (digitalRead(PANEL_ENTER)) {
+	    Enter = 0;
+	    Key_Enter = FALSE;
+	    Key_Enter_Long = FALSE;
+	} else {
+	    Enter++;
+	    if (Enter > PRESS_NORMAL)
+		Key_Enter = TRUE;
+	    if (Enter > PRESS_LONG)
+		Key_Enter_Long = TRUE;
+	}
+
+	if (digitalRead(PANEL_UP)) {
+	    Up = 0;
+	    Key_Up = FALSE;
+	} else {
+	    Up++;
+	    if (Up > PRESS_NORMAL)
+		Key_Up = TRUE;
+	}
+
+	if (digitalRead(PANEL_DOWN)) {
+	    Down = 0;
+	    Key_Down = FALSE;
+	} else {
+	    Down++;
+	    if (Down > PRESS_NORMAL)
+		Key_Down = TRUE;
+	}
+
+	if (Key_Enter || Key_Up || Key_Down) {
+	    AnyKey = TRUE;
+	    /*
+	     * Any key is pressed.
+	     */
+	    if (Backlight == 0)
+		setBacklight(1);
+	    Backlight = LCD_SLEEP;
+	} else {
+	    /*
+	     * No key pressed.
+	     */
+	    AnyKey = FALSE;
+	}
+
+//	if (debug && AnyKey)
+//	    fprintf(stdout, "keys Enter=%d,%s,%s  Up=%d,%s  Down=%d,%s\n", 
+//			    Enter, Key_Enter ?"True":"False", Key_Enter_Long ?"True":"False", Up, Key_Up ?"True":"False", Down, Key_Down ?"True":"False");
+
+	Now = time(NULL);
+	if (Now != Last) {
+	    Last = Now;
+
+//	    if (debug)
+//		fprintf(stdout, "AnyKey=%s  Backlight=%d\n", AnyKey ?"True":"False", Backlight);
+	    if (AnyKey == FALSE) {
+		if (Backlight == 1)
+		    setBacklight(0);
+		if (Backlight > 0) {
+		    Backlight--;
+		}
+	    }
+
+	}
+
 	/*
 	 * Loop 10 milliseconds
 	 */