Serial port baud/format record
The serial port baud rate/format record sets communication parameters for the serial ports. Individual serial ports are identified within the records by the serial port index number.
The following table shows the additional records provided when the serial port baud rate/format record is included with Command Packet 64h.
|
Byte |
Item |
Type |
Value |
Notes |
|---|---|---|---|---|
|
0 |
RECORD TYPE |
1 (Char) |
02h |
Serial Port Baud Rate/Format Record. |
|
1 |
RECORD LENGTH |
1 (Char) |
04h |
Number of bytes in the record, excluding bytes 0 and 1. |
|
2 |
SERIAL PORT INDEX |
1 (Char) |
00h–03h |
The number of the serial port to configure. |
|
3 |
BAUD RATE |
1 (Char) |
Data transmission rate. |
|
|
4 |
PARITY |
1 (Char) |
See Parity byte values. |
Sets the parity of data transmitted through the port. The eight data bits and one stop bit are always used, regardless of the parity selection. |
|
5 |
FLOW CONTROL |
1 (Char) |
Flow control. |
The following tables provide byte values for the information in the serial port baud/format record.
Baud rate byte values
|
Byte value |
Notes |
|
|---|---|---|
|
Dec |
Hex |
|
|
0 |
00h |
9600 baud |
|
1 |
01h |
2400 baud |
|
2 |
02h |
4800 baud |
|
3 |
03h |
9600 baud |
|
4 |
04h |
19200 baud |
|
5 |
05h |
38400 baud (default) |
|
6 |
06h |
57600 baud |
|
7 |
07h |
115200 baud |
|
8 |
08h |
300 baud |
|
9 |
09h |
600 baud |
|
10 |
0Ah |
1200 baud |
|
11 |
0Bh |
230,000 baud |
|
12 |
0Ch |
460,000 baud |
Parity byte values
|
Byte value |
Notes |
|
|---|---|---|
|
Dec |
Hex |
|
|
0 |
00h |
No Parity (10-bit format) |
|
1 |
01h |
Odd Parity (11-bit format) |
|
2 |
02h |
Even Parity (11-bit format) |
Flow control byte values
|
Byte value |
Notes |
|
|---|---|---|
|
Dec |
Hex |
|
|
0 |
00h |
None |
|
1 |
01h |
CTS |