use mbed-src latest version and everything works well. RTC is also fine.

Dependencies:   L3GD20 LIS3DH TextLCD mbed-rtos mbed

Use standard library mbed & mbed-rtos (GR-PEACH can run without mbed-src and special mbed-rtos).

Revision:
4:76b3113c79ff
Parent:
2:3747397a1618
diff -r 989d13762f43 -r 76b3113c79ff mbed-src.lib
--- a/mbed-src.lib	Thu Dec 04 12:07:23 2014 +0000
+++ b/mbed-src.lib	Sun Dec 14 09:17:01 2014 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed-src/#8eeb5157dee4
+http://mbed.org/users/mbed_official/code/mbed-src/#cef2a8a56f9e