From b808da44ab417df0a66a9530c6aa8a45f74e74be Mon Sep 17 00:00:00 2001
From: Philipp Maier <pmaier@sysmocom.de>
Date: Mon, 26 Jun 2017 10:50:28 +0200
Subject: 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
---
 src/gsm/gsm_utils.c    | 11 +++++++++++
 src/gsm/libosmogsm.map |  1 +
 2 files changed, 12 insertions(+)

(limited to 'src/gsm')

diff --git a/src/gsm/gsm_utils.c b/src/gsm/gsm_utils.c
index 2c980d28..477f076d 100644
--- a/src/gsm/gsm_utils.c
+++ b/src/gsm/gsm_utils.c
@@ -750,6 +750,17 @@ void gsm_fn2gsmtime(struct gsm_time *time, uint32_t fn)
 	time->tc = (time->fn / 51) % 8;
 }
 
+/*! Parse GSM Frame Number into printable string
+ *  \param[in] fn GSM Frame Number
+ *  \returns pointer to printable string */
+char *gsm_fn_as_gsmtime_str(uint32_t fn)
+{
+	struct gsm_time time;
+
+	gsm_fn2gsmtime(&time, fn);
+	return osmo_dump_gsmtime(&time);
+}
+
 /*! Encode decoded \ref gsm_time to Frame Number
  *  \param[in] time GSM Time in decoded structure
  *  \returns GSM Frame Number */
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index ad7e0131..714cb25f 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -272,6 +272,7 @@ gsm_freq102arfcn;
 gsm_band_name;
 gsm_band_parse;
 gsm_fn2gsmtime;
+gsm_fn_as_gsmtime_str;
 gsm_get_octet_len;
 gsm_gsmtime2fn;
 osmo_dump_gsmtime;
-- 
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