make LowLoad / HighLoad lcdproc.conf parameters instead compile time options

clients/lcdproc/lcdproc.conf

@@ -68,6 +68,10 @@ Active=True
 [Load]
 # Show screen
 Active=True
+# Min Load Avg at which the backlight will be turned off [default: 0.05]
+LowLoad=0.05
+# Max Load Avg at which the backlight will start blinking [default: 1.3]
+HighLoad=1.3
 
 
 [TimeDate]

clients/lcdproc/load.c

@@ -8,6 +8,7 @@
 # include "config.h"
 #endif
 
+#include "shared/configfile.h"
 #include "shared/sockets.h"
 #include "main.h"
 #include "mode.h"
@@ -30,13 +31,19 @@ xload_screen (int rep, int display, int *flags_ptr)
 {
 	static int gauge_hgt = 0;
 	static double loads[LCD_MAX_WIDTH];
+	static double lowLoad = LOAD_MIN;
+	static double highLoad = LOAD_MAX;
 	int loadtop, i;
 	double loadmax = 0, factor;
-	int status = 0;
+	int status = BACKLIGHT_ON;
 
 	if ((*flags_ptr & INITIALIZED) == 0) {
 		*flags_ptr |= INITIALIZED;
 
+		/* get config values */
+		lowLoad = config_get_float("Load", "LowLoad", 0, LOAD_MIN);
+		highLoad = config_get_float("Load", "HighLoad", 0, LOAD_MAX);
+
 		gauge_hgt = (lcd_hgt > 2) ? (lcd_hgt - 1) : lcd_hgt;
 		memset (loads, '\0', sizeof (double) * LCD_MAX_WIDTH);
 
@@ -105,9 +112,11 @@ xload_screen (int rep, int display, int *flags_ptr)
 	sock_send_string (sock, tmp);
 
 	// set return status depending on max & current load
-	status = (loadmax >  LOAD_MIN) ? BACKLIGHT_ON : BACKLIGHT_OFF;
-	if (loads[lcd_wid - 2] > LOAD_MAX)
-		status = BLINK_ON;
+	if (lowLoad < highLoad) {
+		status = (loadmax > lowLoad) ? BACKLIGHT_ON : BACKLIGHT_OFF;
+		if (loads[lcd_wid - 2] > highLoad)
+			status = BLINK_ON;
+	}		
 
 	return status;
 }										  // End xload_screen()

clients/lcdproc/load.h

@@ -5,7 +5,7 @@
 #define LOAD_MAX 1.3
 #endif
 #ifndef LOAD_MIN
-#define LOAD_MIN 0.5
+#define LOAD_MIN 0.05
 #endif
 
 int xload_screen (int rep, int display, int *flags_ptr);