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 | T or N | T: Enable TxDE control - On when send data N: Diable TxDE control - always On |
<?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($sid, "get uart"), "\r\n"; // output: 115200N81T
spc_request_dev($sid, "set uart 115200N81T");
echo spc_request_dev($sid, "get uart"), "\r\n"; // output: 115200N81T
spc_request_dev($sid, "set uart 9600E72N");
echo spc_request_dev($sid, "get uart"); // output: 9600E72N
?>