util/spkmodem-recv: reset char precisely on timeout

instead of when it goes above, do it precisely on the
timeout. otherwise, if by sheer chance the signal
pauses and we reset the byte - sure, ok, but it's a
bit tight and we run the risk of advancing another
frame, depending on the timing.

this is a minor edge case, probably rarely ever
triggered in practise.

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-12 21:33:46 +00:00
parent 30d5ca5146
commit 6eff58aa7d
+1 -1
View File
@@ -259,7 +259,7 @@ handle_audio(struct decoder_state *st)
* If the modem signal disappears for several frames,
* discard the partially assembled character.
*/
if (st->sample_count > (3 * SAMPLES_PER_FRAME))
if (st->sample_count >= (3 * SAMPLES_PER_FRAME))
reset_char(st);
if (!valid_signal(st)) {
decode_pulse(st);