USBclock 48Mhz, enable serial4 and serial5.

Fork of mbed-src by mbed official

Import programL152RE_serial45_example

NUCLEO-L152RE serial4,5 test program

Revision:
453:a290c6acf95e
Parent:
452:a2b30f7d1bc5
Child:
481:ca51ab3eed5a
--- a/hal/us_ticker_api.h	Mon Jan 26 14:15:07 2015 +0000
+++ b/hal/us_ticker_api.h	Mon Jan 26 17:45:07 2015 +0000
@@ -23,7 +23,6 @@
 #endif
 
 typedef uint32_t timestamp_t;
-typedef int32_t  signedTimestamp_t; /* The signed version of the above declaration. */
 
 uint32_t us_ticker_read(void);