ETRX357 Development Kit
©2016 Silicon Labs
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ETRX357DVK Product Manual (Rev 1.12)
Figure 23. Passthrough bootloading
Recovering on the default channel
If the target device is reset or power cycled whilst in the bootloader, the unit will listen for new
firmware files on channel 13. It is therefore required to set up a node on channel 13 and repeat the
recovery action described in the previous section.
To set up a node on channel 13 use the following commands:
AT+DASSL
– leave the current network (will show an error if not currently part of a network)
ATS00=0004
– Only allow channel 13
AT+EN
– establish new network on channel 13
This will cause the local node to become a coordinator on channel 13.
AT+RECOVER
The local node will search for a remote node in bootload mode and clone the local firmware to that
remote node.