sixths: This should keep power with GPS on

apps/sixths/README.md

@@ -73,9 +73,6 @@ Todo:
 
 *) only turn on compass when needed
 
-*) only warn about battery low when it crosses thresholds, update
-battery low message
-
 *) rename "show" to something else -- it collides with built-in
 
 *) adjust clock according to GPS
@@ -84,16 +81,8 @@ battery low message
 
 *) hide messages after timeout.
 
-*) show route lengths after the fact
-
 *) implement longer recording than "G".
 
-*) Probably T should be G.
-
-*) sum gps distances for a day
-
 *) allow setting up home altitude, or at least disable auto-calibration
 
 *) show time-to-sunset / sunrise?
-
-*) one-second updates when gps is active

apps/sixths/sixths.app.js

@@ -754,7 +754,8 @@ function lockHandler(locked) {
 
 function queueDraw() {
   let next;
-  if (getTime() - last_unlocked > 3*60)
+  if ((getTime() - last_unlocked > 3*60) &&
+      (getTime() > gps_limit))
     next = 60000;
   else
     next =  1000;