Bugs removed that prevented the screen from turning on again.:

display-daemon/Makefile

@@ -2,3 +2,5 @@ CFLAGS=-g -Wall
 ser:  ser.c
 	gcc -ggdb -Wall ser.c -o ser -lpthread
 	#mipsel-linux-uclibc-gcc -o ser.mips ser.c -lpthread
+run:  ser
+	./ser

display-daemon/ser.c

@@ -217,6 +217,7 @@ rthread (void *args)
 	{
 
 	  screensaver = 0;
+	  display_dim (4);
 
 	  if (pc == '\n')
 	    {
@@ -227,7 +228,6 @@ rthread (void *args)
 	      display_write (&c, 1);
 	    }
 	  pc = c;
-	  display_dim (4);
 	}
       close (pipe);
     }
@@ -322,7 +322,10 @@ main (int argc, char **argv)
 	}
 
       //printf ("screensaver = %05d brightness: %d\n", screensaver, brightness);
-      screensaver = (screensaver + 1) % TIME_CLOCK + TIME_OFF + TIME_DIM;
+      if (screensaver <  (TIME_CLOCK + TIME_OFF + TIME_DIM + 10)){
+	screensaver++;
+      }
+      //screensaver = (screensaver + 1) % (TIME_CLOCK + TIME_OFF + TIME_DIM + 10);
 
       if (screensaver == TIME_CLOCK)
 	{