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util/spkmodem-decode: tidy up indentation

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-13 00:50:40 +00:00
parent 6ed722b73b
commit fff2447606
1 changed files with 32 additions and 23 deletions
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util/spkmodem_decode/spkmodem-decode.c
+32 -23
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@@ -222,6 +222,7 @@ static void collect_separator_tone(struct decoder_state *st);
static int valid_signal(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 signed short read_sample(struct decoder_state *st); static signed short read_sample(struct decoder_state *st);
static void read_words(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);
static void print_stats(struct decoder_state *st); static void print_stats(struct decoder_state *st);
@@ -336,14 +337,15 @@ detect_tone(struct decoder_state *st)
select_low_tone(st); select_low_tone(st);
if (st->learn_frames == LEARN_FRAMES) { if (st->learn_frames != LEARN_FRAMES)
st->freq_threshold = return;
(st->freq_min + st->freq_max) / 2;
if (st->debug) st->freq_threshold =
printf("auto threshold: %dHz\n", (st->freq_min + st->freq_max) / 2;
st->freq_threshold * FRAME_RATE);
} if (st->debug)
printf("auto threshold: %dHz\n",
st->freq_threshold * FRAME_RATE);
} }
/* /*
@@ -509,25 +511,11 @@ decode_pulse(struct decoder_state *st)
static signed short static signed short
read_sample(struct decoder_state *st) read_sample(struct decoder_state *st)
{ {
size_t n;
signed short sample; signed short sample;
unsigned short u; unsigned short u;
while (st->inpos >= st->inlen) { while (st->inpos >= st->inlen)
read_words(st);
n = fread(st->inbuf, sizeof(st->inbuf[0]),
READ_BUF, stdin);
if (n == 0) {
if (ferror(stdin))
err(errno, "stdin read");
if (feof(stdin))
exit(EXIT_SUCCESS);
}
st->inpos = 0;
st->inlen = n;
}
sample = st->inbuf[st->inpos++]; sample = st->inbuf[st->inpos++];
@@ -541,6 +529,27 @@ read_sample(struct decoder_state *st)
return sample; return sample;
} }
static void
read_words(struct decoder_state *st)
{
size_t n;
n = fread(st->inbuf, sizeof(st->inbuf[0]),
READ_BUF, stdin);
if (n != 0) {
st->inpos = 0;
st->inlen = n;
return;
}
if (ferror(stdin))
err(errno, "stdin read");
if (feof(stdin))
exit(EXIT_SUCCESS);
}
/* /*
* Each validated frame contributes one bit of modem data. * Each validated frame contributes one bit of modem data.
* Bits are accumulated MSB-first into the ASCII byte. * Bits are accumulated MSB-first into the ASCII byte.