User Manual
again.
1.2.2 Firmware Version Query Function
Query the firmware version of the module. For the specific commands see Table 1.6.
Table 1.6 Firmware Version Command Query
Command
Direction
Command Content (HEX)
Command Description
Host
→
Slave 3A 00 00 00 4B The host queries the firmware version of the
module.
Host
←
Slave 3A 80 xx xx xx The module sends firmware version to the host.
Note: "Host
→
Slave" means the UART data is "sent by the host and received by the slave"; "Host
←
Slave" means the UART data is "sent by the slave and received by the master"; the value of "xx"
is determined by the actual data, below is the same.
