AirPrime HL7518 and AT Commands Interface Guide Rev10 0

Table Of Contents
4116303 Rev 10.0 August 10, 2017 107
AT Commands Interface Guide
Mobile Equipment Control and Status
Commands
HL7548
AT+WMUSBVCC=1 // Change setting to mode 1
OK
AT+WMUSBVCC?
+WMUSBVCC: 1
OK
5.51. +BOOTDWLCFG Command: Boot
Configuration for Firmware Download
Note: For HL7548 only.
5.51.1. Description
This command configures the USB enumeration time out and USB link time out that are used in
detecting a firmware download request.
The USB link time out refers to the time out for correct “AT” start frame to start the firmware download
procedure.
The flow diagram below shows the sequence in detecting a firmware download request, which always
happens when the module boots or reboots.
Figure 2. Firmware Download Request Detection Sequence