usb 1-6.4.3: new full-speed USB device number 103 using xhci_hcd Plug in the USB to TTL cable, kernel `dmesg | tail` should show the following device: Minicom is the serial tool that supports wide range baud rate. The default serial setting for ROCK 3 u-boot and kernel console is: If you know how to set custom baudrate on macOS, please add an item here to show your findings.Ĭonnect the USB to TTL serial cable as below. It seems that the serial tool on macOS platform can not support custom baudrate such as 1.5Mbps due to driver restriction.The instructions below use a CH340_series based cable. We also tested that some cable does not work well. Some model of CP210X and PL2303x have baudrate limitation,and the FT232RL have some power issue(20211112), please check the specified model. The default baudrate of ROCK 3 is 1500000(1.5Mbps), please check if your USB to TTL cable support 1.5Mbps baudrate.The definition of each pin of USB to TTL cable is showing like this:.USB Type-C power adapter and USB Type-C charging data cable.
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