If the Sub device is connected as below, the USB CDC TX output of the Main device does not work.Please refer to the information below.I don't know the reason.
Thank you for responding. I am a system engineer. (H/W)※ This problem occurs intermittently. But sometimes it happens frequently.When "doesn't work", is "main mcu" still visible in the USB Treeview on PC?> In the PC device manager, the Com port of th...
