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  1. Execute the make command to build the Linux image.

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Serial Gadget Console Implementation

Take USB2.0 serial gadget for example.

  1. Update the image and boot the system, the kernel messages will stop when “printk: console [ttyGS0] enabled“ and “printk: bootconsole [sunplus_uart0] disabled“. Here sunplus_uart0 is COM4is COM9, and it is the default terminal of the SP7350 platform.

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  1. Connect the SP7350 platform to a Windows PC with an USB OTG cable, “USB Serial Device (COM8COM10)“ will show up in “Ports (COM & LPT)” of Device Manager.

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  1. Open Putty Tera Term in COM8 COM10 and it can send text output to the user and receive text input from the user.

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