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-rw-r--r--util/spkmodem_recv/spkmodem-recv.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/util/spkmodem_recv/spkmodem-recv.c b/util/spkmodem_recv/spkmodem-recv.c
index 60f589a0..5992c20b 100644
--- a/util/spkmodem_recv/spkmodem-recv.c
+++ b/util/spkmodem_recv/spkmodem-recv.c
@@ -49,6 +49,10 @@ struct decoder_state {
int ringpos;
int sep_pos;
+ /*
+ * Sliding window pulse counters
+ * used to detect modem tones
+ */
int freq_data;
int freq_separator;
int sample_count;