Hi everyone, I am testing Virtual COM over USB using a custom board for LPC1768. I am using MBED Studio 1.3.1 in windows 10 with the target set to “mbed LPC1768”, build profile in “Debug” and the code what I am implementing is the next: #include “mbed.h” #include “USBSerial.h” #define BLINKING_R…

Hi, [image] USB Serial not working in mbed-os 6 Hello world! Hi there, I do not have LPC1768 but I’m working on the Nucleo-F429ZI with USB OTG and it is working. The USBSerial is set to blocking in the default. That mean it waits for a connection from opposi…

Thanks @JohnnyK , effectively your response solved my problem. I only needed to active DTR signal on my console. Now it works how it must be. Best Regards

Hello fellow LPC1768 custom board user! One tip: We’ve found at my place that we have to edit Mbed OS and comment out this line , which seems to depend on the presence of the DAPLink chip on the dev board. Otherwise, certain things such as JTAG debugging will tend to crash the chip.

thanks for your advice @MultipleMonomials . I am programming the LPC1768 only with ISP Mode, I don’t have a JTAG debugging option for now but I will considerate your advice if I have problems in the future. Best Regards

USBSerial not working over LPC1768

Custom and community boards

JohnnyK (Jan Kamidra) January 11, 2021, 4:28am 2

Hi,

BR, Jan

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USBSerial not working over LPC1768

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