From 63d3e396e79bae0e3580a8813a8c1c0166a51b59 Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Sat, 6 Mar 2010 11:34:27 +0100
Subject: introduce RxLev statistics module, an efficient way for power scan
 data

---
 include/osmocore/Makefile.am  |  2 +-
 include/osmocore/rxlev_stat.h | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 include/osmocore/rxlev_stat.h

(limited to 'include')

diff --git a/include/osmocore/Makefile.am b/include/osmocore/Makefile.am
index b45d0233..9c4fc757 100644
--- a/include/osmocore/Makefile.am
+++ b/include/osmocore/Makefile.am
@@ -1,6 +1,6 @@
 osmocore_HEADERS = signal.h linuxlist.h timer.h talloc.h msgb.h select.h \
 		   tlv.h bitvec.h comp128.h statistics.h gsm_utils.h utils.h \
-		   gsmtap.h write_queue.h rsl.h gsm48.h
+		   gsmtap.h write_queue.h rsl.h gsm48.h rxlev_stat.h
 
 osmocoredir = $(includedir)/osmocore
 
diff --git a/include/osmocore/rxlev_stat.h b/include/osmocore/rxlev_stat.h
new file mode 100644
index 00000000..415509dc
--- /dev/null
+++ b/include/osmocore/rxlev_stat.h
@@ -0,0 +1,22 @@
+#ifndef _OSMOCORE_RXLEV_STATS_H
+#define _OSMOCORE_RXLEV_STATS_H
+
+#define NUM_RXLEVS 32
+#define NUM_ARFCNS 1024
+
+struct rxlev_stats {
+	/* the maximum number of ARFCN's is 1024, and there are 32 RxLevels,
+	 * so in we keep one 1024bit-bitvec for each RxLev */
+	uint8_t rxlev_buckets[NUM_RXLEVS][NUM_ARFCNS/8];
+};
+
+void rxlev_stat_input(struct rxlev_stats *st, uint16_t arfcn, uint8_t rxlev);
+
+/* get the next ARFCN that has the specified Rxlev */
+int16_t rxlev_stat_get_next(const struct rxlev_stats *st, uint8_t rxlev, int16_t arfcn);
+
+void rxlev_stat_reset(struct rxlev_stats *st);
+
+void rxlev_stat_dump(const struct rxlev_stats *st);
+
+#endif /* _OSMOCORE_RXLEV_STATS_H */
-- 
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