utils: add function gsm_fn_as_gsmtime_str()
Convert a given frame number into a printable string that displays
the sub components of the frame number.
Change-Id: I8015d2ded3940b01b35df7b72fc35c70c25e9926
diff --git a/include/osmocom/gsm/gsm_utils.h b/include/osmocom/gsm/gsm_utils.h
index a879d33..bfcef08 100644
--- a/include/osmocom/gsm/gsm_utils.h
+++ b/include/osmocom/gsm/gsm_utils.h
@@ -165,6 +165,9 @@
/* Convert from frame number to GSM time */
void gsm_fn2gsmtime(struct gsm_time *time, uint32_t fn);
+/* Parse GSM Frame Number into printable string */
+char *gsm_fn_as_gsmtime_str(uint32_t fn);
+
/* Convert from GSM time to frame number */
uint32_t gsm_gsmtime2fn(struct gsm_time *time);