From 84b243b77268bafa2433d1815d93a230c14f49b7 Mon Sep 17 00:00:00 2001
From: Richard Meadows <richardeoin@gmail.com>
Date: Sat, 18 Jul 2015 13:29:27 +0100
Subject: [PATCH] [Ooops] Fixed underflow

---
 firmware/src/cron.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/firmware/src/cron.c b/firmware/src/cron.c
index 7346bd2..c4ef1cf 100644
--- a/firmware/src/cron.c
+++ b/firmware/src/cron.c
@@ -152,9 +152,9 @@ void cron_telemetry(struct tracker_time* t)
 void do_cron(void)
 {
   /* ---- Local representation of the time ---- */
-  while (ticks--) {
+  while (ticks) {
     /* Update time internally */
-    time.epoch++; time.second++;
+    ticks--; time.epoch++; time.second++;
     if (time.second >= 60) {
       time.second = 0; time.minute++;
       if (time.minute >= 60) {