From a9ec6be0e92dee01f7aac006ef6f7779c1da1b36 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sat, 3 Jul 2010 17:42:36 -0400 Subject: Telemetry code was mis-computing RSSI The RSSI data from the hardware reports in 1/2 dBm increments, and so must be divided to report plain RSSI numbers. Signed-off-by: Keith Packard --- ao-tools/lib/cc-telem.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'ao-tools/lib') 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]); -- cgit v1.2.3