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to not miss it, always reset vis and bit counters on leader pulse

pull/6/head
Ahmet Inan 2014-11-28 08:16:23 +01:00
rodzic 287c35126a
commit e587dc150c
1 zmienionych plików z 10 dodań i 13 usunięć
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23
app/src/main/rs/decoder.rs
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@ -530,43 +530,40 @@ static int calibration_detected(float dat_value, int cnt_active, int cnt_quantiz
}
if (progress == 3) {
static int bit_pos, vis_code;
static int bit_pos, vis_pos, vis_code;
static int vis_counter, bit_counter;
if (++vis_counter < (bit_pos + 1) * bit_length) {
if (leader_pulse) {
bit_pos = 0;
vis_pos = bit_length;
bit_counter = 0;
vis_counter = 0;
}
if (++vis_counter < vis_pos) {
bit_counter += cnt_quantized;
} else {
if (bit_pos == 0 && 2 * abs(bit_counter) < bit_length) {
vis_code = 0;
++bit_pos;
} else if (0 < bit_pos && bit_pos < 9 && 2 * abs(bit_counter) > bit_length) {
int bit_val = bit_counter < 0 ? 1 : 0;
vis_code |= bit_val << (bit_pos - 1);
// sometimes stop bit is missing, finish up here.
if (bit_pos == 8) {
bit_pos = 0;
progress = 0;
countdown = 0;
bit_counter = 0;
vis_counter = 0;
return vis_code;
}
++bit_pos;
} else if (bit_pos == 9 && 2 * abs(bit_counter) < bit_length) {
bit_pos = 0;
progress = 0;
countdown = 0;
bit_counter = 0;
vis_counter = 0;
return vis_code;
} else {
bit_pos = 0;
progress = 0;
countdown = 0;
bit_counter = 0;
vis_counter = 0;
return -1;
}
++bit_pos;
bit_counter = cnt_quantized;
vis_pos += bit_length;
}
}