The command to get communication parameters is uart.
"get uart"
The response type by this command is a string and is the same as the setting format of "set uart".
"(baudrate)(parity)(data bit)(stop bit)(flow control)"
Parameter | Values | Description |
---|---|---|
baudrate | 1200 ~ 115200 | baudrate(bps) |
parity | N, E, O, M or S | parity bit (N: None, E: Even, O: Odd, M: Mark, S: Space) |
data bit | 8 or 7 | data bit |
stop bit | 1 or 2 | stop bit |
flow control | N, H or S | flow control (N: None, H: RTS/CTS, S: Xon/Xoff) |
<?php
include "/lib/sd_spc.php";
$sid = 14;
spc_reset();
spc_sync_baud(115200);
spc_request_dev($sid, "set uart 115200");
echo spc_request_dev($sid, "get uart"), "\r\n"; // output: 115200N81N
spc_request_dev($sid, "set uart 115200N81");
echo spc_request_dev($sid, "get uart"), "\r\n"; // output: 115200N81N
spc_request_dev($sid, "set uart 9600E72H");
echo spc_request_dev($sid, "get uart"); // output: 9600E72H
?>