确认串行传输延迟

确认串行传送延迟的命令是 txdelay。

"get txdelay"

应答单位是字节

<?php
include "/lib/sd_spc.php";

$sid = 14;
spc_reset();
spc_sync_baud(115200);

spc_request_dev($sid, "set uart 115200N81");

spc_request_dev($sid, "set txdelay 10");
echo spc_request_dev($sid, "get txdelay"), "\r\n"; // output: 10

spc_request_dev($sid, "set txdelay 0");
echo spc_request_dev($sid, "get txdelay");         // output: 0

?>