Hi, I’ve just install the last firmware 4.5.4.0 for my HL7800 on my HL78xx Dev kit. All it’s fine, but I’ve no trace in debug port (UART0) and I’ve no response on any command. The only, trace is on the start sequence with U-Boot. How I can activate the debug informations and the commands on debu…

You need to set at+switracemode command and reset module AT+SWITRACEMODE=RnD [image] HL7800 debug uart console toast after fw IoT Modules I see in upgrade notes the following EURY-1979 / EURY-2084 In past releases, the HL78 was tested and shipped with the debug console…

Thanks, it’s work. Where we could find this command specification ? The ‘AirPrime - HL78xx - AT Commands Interface Guide - Rev12’ haven’t any description of this command. Regards,

Debug port UART0 no response

IoT Modules Legacy HL Series

jyijyi January 12, 2021, 2:21pm 2

You need to set at+switracemode command and reset module

AT+SWITRACEMODE=RnD

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Debug port UART0 no response

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