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-rw-r--r--ao-tools/lib/cc-telem.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ao-tools/lib/cc-telem.c b/ao-tools/lib/cc-telem.c
index ccd40ac2..aa52b7c5 100644
--- a/ao-tools/lib/cc-telem.c
+++ b/ao-tools/lib/cc-telem.c
@@ -101,6 +101,10 @@ cc_telem_parse(const char *input_line, struct cc_telem *telem)
telem->flight = 0;
cc_parse_int(&telem->rssi, words[5]);
+ if (version <= 2) {
+ /* Older telemetry versions mis-computed the rssi value */
+ telem->rssi = (telem->rssi + 74) / 2 - 74;
+ }
cc_parse_string(telem->state, sizeof (telem->state), words[9]);
cc_parse_int(&telem->tick, words[10]);
cc_parse_int(&telem->accel, words[12]);