Mercurial > mbsePi-apps / file diff

--- a/thermferm/lcd-pcf8574.c	Thu Nov 19 20:45:09 2015 +0100
+++ b/thermferm/lcd-pcf8574.c	Thu Nov 19 21:17:26 2015 +0100
@@ -44,20 +44,26 @@
 extern struct lcdDataStruct	*lcds [MAX_LCDS];
 #endif
 extern sys_config       	Config;
-
+extern uint16_t			leds;
 
 
 /*
  * setBacklight:
  *********************************************************************************
  */
-#ifdef HAVE_WIRINGPI_H
-void setBacklight (int value)
+void setBacklight(int value)
 {
-  pinMode (AF_BACKLIGHT, OUTPUT) ;
-  digitalWrite (AF_BACKLIGHT, (value & 1)) ;
+#ifdef HAVE_WIRINGPI_H
+    pinMode (AF_BACKLIGHT, OUTPUT) ;
+    digitalWrite (AF_BACKLIGHT, (value & 1)) ;
+#endif
+    if (value) {
+	leds |= SLED_LCD;
+    } else {
+	leds &= ~SLED_LCD;
+    }
+    slcdLEDs(slcdHandle);
 }
-#endif
 
 
 /*
@@ -65,7 +71,7 @@
  *********************************************************************************
  */
 
-int initLCD (int cols, int rows)
+int initLCD(int cols, int rows)
 {
     if (!((rows == 1) || (rows == 2) || (rows == 4))) {
     	fprintf (stderr, "rows must be 1, 2 or 4\n") ;
@@ -92,7 +98,6 @@
     }
 
     lcdClear (lcdHandle) ;
-    setBacklight (1) ;
 #endif
 
     slcdHandle = slcdInit(0, rows, cols);
@@ -101,6 +106,7 @@
 	return -1;
     }
     slcdClear(slcdHandle);
+    setBacklight(1);
 
     return 0 ;
 }