diff options
| author | Leah Rowe <leah@libreboot.org> | 2023-06-04 15:10:35 +0100 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2023-06-04 15:10:35 +0100 |
| commit | 979db74ca5768f6757a82ac2654e40caf183a66b (patch) | |
| tree | 9cbce17599ebc043e159df1686dd1ffa0749c70b /util | |
| parent | 94aa43d85750c676450e7ae0e29c06c861a126f8 (diff) | |
util/spkmodem-recv: simplify pulse check
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/spkmodem_recv/spkmodem-recv.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/util/spkmodem_recv/spkmodem-recv.c b/util/spkmodem_recv/spkmodem-recv.c index d13d8c7d..1dcf5f18 100644 --- a/util/spkmodem_recv/spkmodem-recv.c +++ b/util/spkmodem_recv/spkmodem-recv.c @@ -98,16 +98,11 @@ fetch_sample(void) != sizeof(frame[0])) err(errno = ECANCELED, "Could not read frame."); - if (abs(frame[ringpos]) > THRESHOLD) { /* rising/falling edge(pulse) */ - pulse[ringpos] = 1; - f2++; - } else { - pulse[ringpos] = 0; - } - - ringpos++; + pulse[ringpos] = (abs(frame[ringpos]) > THRESHOLD) ? 1 : 0; + if (pulse[ringpos++]) + ++f2; ringpos %= 2 * SAMPLES_PER_FRAME; - lp++; + ++lp; } void |