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I am trying to use the USB 1.1 interface to communicate with a temperature controller (ie. the M487 acting as a host) and I cannot get comms working.

I am using the standard USBserial interface within Mbed 6. No joy. the target board does not respond. Any ideas what to do next?

I have tested the cable and it allows my PC to communicate with the controller, so I think its a software issue.

regards

Phil

Dear Sir,

USBserial interface within Mbed 6 is a USB device sample code not for OTG host.
https://os.mbed.com/handbook/USBSerial

Please try to use OTG host sample code.
And what is the part number of temperature controller?

Thanks.

Thank you for your reply. I will use the Host sample code, but it requires updating from MBED 5. I will let you know when I get it running.

The controller is a Cyclo controller (ADC-48-450-U) from European Thermal Dynamics.