Check MCUCSR for WDRF flag only and add TODO

src/main.c

@@ -10,13 +10,13 @@
 // TODO: Make sure wear leveling resets memory correctly.
 // TODO: Implement primary state machine for update loop.
 // TODO: Migrate to ATMega 1284P-PU for 2nd 16-bit timer.
-// TODO: Keep persistent TEMP and DEWP targets in EEPROM.
 // TODO: Check thermistor conversion results /w thermometer.
 // TODO: Implement optional CRC8 sensor measurement check.
 // TODO: Use 18.432MHz quarz crystal, burn required fuses.
 // TODO: Make sure nothing breaks with negative temperatures.
 // TODO: Write an improved command parser (low priority).
 // TODO: Proper error handling and recovery (after testing).
+// TODO: Check why the MCUCSR EXTRF reset flag is set.
 
 enum state_e
 {