| Command |
$AAF |
| Description |
Read firmware version |
| Syntax |
$AAF[CHK](cr)
| $ |
a delimiter character |
| AA |
address of reading module (00 to FF) |
| F |
command for reading firmware version |
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of command |
|
| Response |
| Valid Command |
!AA(Version)[CHK](cr) |
| Invalid Command |
?AA[CHK](cr) |
Syntax error or communication error may get no response.
| ! |
delimiter for valid command |
| ? |
delimiter for invalid command. |
| AA |
address of response module (00 to FF) |
| (Version) |
firmware version |
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of response |
|
| Example |
| Command |
$01F |
| Response |
!01B1.0 |
| Description |
Read address 01 firmware version, response version is "B1.0". |
|
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