serial.c: Sanitize serial_stream_detect

Print the timeout in miliseconds, not microseconds.
Only calculate elapsed time once oer loop.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Alexandru Gagniuc 2012-11-21 19:18:21 -06:00
parent 8be8746951
commit 551c3d8ce3
1 changed files with 6 additions and 6 deletions

View File

@ -660,8 +660,6 @@ SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
return SR_ERR;
}
timeout_ms *= 1000;
/* Assume 8n1 transmission. That is 10 bits for every byte. */
byte_delay_us = 10 * (1000000 / baudrate);
start = g_get_monotonic_time();
@ -676,11 +674,13 @@ SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
} else {
/* Error reading byte, but continuing anyway. */
}
time = g_get_monotonic_time() - start;
time /= 1000;
if ((ibuf - i) >= packet_size) {
/* We have at least a packet's worth of data. */
if (is_valid(&buf[i])) {
time = g_get_monotonic_time() - start;
time /= 1000;
sr_spew("Found valid %d-byte packet after "
"%" PRIu64 "ms.", (ibuf - i), time);
*buflen = ibuf;
@ -692,9 +692,9 @@ SR_PRIV int serial_stream_detect(struct sr_serial_dev_inst *serial,
/* Not a valid packet. Continue searching. */
i++;
}
if (g_get_monotonic_time() - start > timeout_ms) {
if (time >= timeout_ms) {
/* Timeout */
sr_dbg("Detection timed out after %dms.", timeout_ms);
sr_dbg("Detection timed out after %dms.", time);
break;
}
g_usleep(byte_delay_us);