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-rw-r--r--include/osmocom/gsm/gsm_utils.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/osmocom/gsm/gsm_utils.h b/include/osmocom/gsm/gsm_utils.h
index 6d316727..17678981 100644
--- a/include/osmocom/gsm/gsm_utils.h
+++ b/include/osmocom/gsm/gsm_utils.h
@@ -101,6 +101,9 @@ enum gsm_band gsm_arfcn2band(uint16_t arfcn);
/* Convert an ARFCN to the frequency in MHz * 10 */
uint16_t gsm_arfcn2freq10(uint16_t arfcn, int uplink);
+/* Convert a Frequency in MHz * 10 to ARFCN */
+uint16_t gsm_freq102arfcn(uint16_t freq10, int uplink);
+
/* Convert from frame number to GSM time */
void gsm_fn2gsmtime(struct gsm_time *time, uint32_t fn);