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-rw-r--r--include/Makefile.am1
-rw-r--r--include/osmocom/gsm/gsm48_arfcn_range_encode.h25
2 files changed, 26 insertions, 0 deletions
diff --git a/include/Makefile.am b/include/Makefile.am
index 86d8d157..6da5ab61 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -91,6 +91,7 @@ nobase_include_HEADERS = \
osmocom/gsm/gsm23003.h \
osmocom/gsm/gsm29118.h \
osmocom/gsm/gsm48.h \
+ osmocom/gsm/gsm48_arfcn_range_encode.h \
osmocom/gsm/gsm48_ie.h \
osmocom/gsm/gsm_utils.h \
osmocom/gsm/gsup.h \
diff --git a/include/osmocom/gsm/gsm48_arfcn_range_encode.h b/include/osmocom/gsm/gsm48_arfcn_range_encode.h
new file mode 100644
index 00000000..146c8534
--- /dev/null
+++ b/include/osmocom/gsm/gsm48_arfcn_range_encode.h
@@ -0,0 +1,25 @@
+/*! \file gsm48_arfcn_range_encode.h */
+
+#pragma once
+
+#include <stdint.h>
+
+enum osmo_gsm48_range {
+ OSMO_GSM48_ARFCN_RANGE_INVALID = -1,
+ OSMO_GSM48_ARFCN_RANGE_128 = 127,
+ OSMO_GSM48_ARFCN_RANGE_256 = 255,
+ OSMO_GSM48_ARFCN_RANGE_512 = 511,
+ OSMO_GSM48_ARFCN_RANGE_1024 = 1023,
+};
+
+#define OSMO_GSM48_RANGE_ENC_MAX_ARFCNS 29
+
+int osmo_gsm48_range_enc_determine_range(const int *arfcns, int size, int *f0_out);
+int osmo_gsm48_range_enc_arfcns(enum osmo_gsm48_range rng, const int *arfcns, int sze, int *out, int idx);
+int osmo_gsm48_range_enc_find_index(enum osmo_gsm48_range rng, const int *arfcns, int size);
+int osmo_gsm48_range_enc_filter_arfcns(int *arfcns, const int sze, const int f0, int *f0_included);
+
+int osmo_gsm48_range_enc_128(uint8_t *chan_list, int f0, int *w);
+int osmo_gsm48_range_enc_256(uint8_t *chan_list, int f0, int *w);
+int osmo_gsm48_range_enc_512(uint8_t *chan_list, int f0, int *w);
+int osmo_gsm48_range_enc_1024(uint8_t *chan_list, int f0, int f0_incl, int *w);