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util/spkmodem-recv: split up handle_audio()

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the signal check should be its own function,
for clearer understanding

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-12 04:53:05 +00:00
parent a31ccd8c3d
commit 1953812efd
1 changed files with 11 additions and 4 deletions
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util/spkmodem_recv/spkmodem-recv.c
+11 -4
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@@ -56,6 +56,7 @@ struct decoder_state {
static const char *argv0; static const char *argv0;
static void handle_audio(struct decoder_state *st); static void handle_audio(struct decoder_state *st);
static int valid_signal(struct decoder_state *st);
static void decode_pulse(struct decoder_state *st); static void decode_pulse(struct decoder_state *st);
static int set_ascii_bit(struct decoder_state *st); static int set_ascii_bit(struct decoder_state *st);
static void print_char(struct decoder_state *st); static void print_char(struct decoder_state *st);
@@ -123,10 +124,7 @@ handle_audio(struct decoder_state *st)
if (st->sample_count > (3 * SAMPLES_PER_FRAME)) if (st->sample_count > (3 * SAMPLES_PER_FRAME))
reset_char(st); reset_char(st);
if ((st->freq_separator > FREQ_SEP_MIN) && if (valid_signal(st)) {
(st->freq_separator < FREQ_SEP_MAX) &&
(st->freq_data > FREQ_DATA_MIN) &&
(st->freq_data < FREQ_DATA_MAX)) {
if (set_ascii_bit(st) < 0) if (set_ascii_bit(st) < 0)
print_char(st); print_char(st);
@@ -141,6 +139,15 @@ handle_audio(struct decoder_state *st)
} }
} }
static int
valid_signal(struct decoder_state *st)
{
return (st->freq_separator > FREQ_SEP_MIN &&
st->freq_separator < FREQ_SEP_MAX &&
st->freq_data > FREQ_DATA_MIN &&
st->freq_data < FREQ_DATA_MAX);
}
static void static void
decode_pulse(struct decoder_state *st) decode_pulse(struct decoder_state *st)
{ {