Ida Bosch / PuckLight

Press buttons to activate the LED.

Dependencies:   BLE_API nRF51822

Fork of Puck by Nordic Pucks

Files at this revision

API Documentation at this revision

Revision 25:cd6703df9501, committed 2015-03-09

Comitter:
aleksanb
Date:
Mon Mar 09 13:38:22 2015 +0000
Parent:
24:21b5ecbc84ea
Commit message:
Add power usage note to log.h

Changed in this revision

Log.h Show annotated file Show diff for this revision Revisions of this file 
diff -r 21b5ecbc84ea -r cd6703df9501 Log.h
--- a/Log.h	Mon Mar 09 13:23:54 2015 +0000
+++ b/Log.h	Mon Mar 09 13:38:22 2015 +0000
@@ -14,10 +14,16 @@
  * limitations under the License
  */
 
-
 #ifndef __LOG__H__
 #define __LOG__H__
 
+/**
+ * Warning: remove LOG_LEVEL_* defines in production for major power savings.
+ *
+ * Defining a log level will set up a serial connection to use for logging.
+ * This serial connection sets up a timer prohibiting the mbed chip
+ * from entering low power states, drawing ~1.4mAh instead of ~20µAh with logging disabled.
+ */
 
 #ifdef LOG_LEVEL_VERBOSE
     #define __PUCK_LOG_LEVEL_VERBOSE__