![]() ![]() ![]() To fix it, add the current user to the “dialout” user group, logout and login to take effect, detail: you can unplug and then plug the usb to get the right device.įinish setting, Click Open the putty will work!ġ、Under Ubuntu If you got the following error – “ Unable to open connection to: Unable to open serial port“. Which tell us the driver is ok, then cd /dev/ to confirm whether is there device named ttyUSB*. First cat /proc/tty/drivers, to make sure is there driver support(marsboard board is connected with pc via USB so the device name should be usbserial) When start PuTTY firstly you will see this interface: Note: Escape character is set to 'w', you have to press Ctrl-w Ctrl-x to quit. Open connection to serial line, using 115200 bauds: If you are using Ubuntu, you need to add the current user into group dialout, then close your session and relogin to make changes effective immediately: Select the Serial, Fill the Serial line with the right serial port,and the Speed with 115200įinish setting, Click Open the putty will workįor connecting UART/Serial console on Linux, the picocom utility is very handy to use in a Terminal session. Here we use putty as an example to show us how to set the serial debug tools.ĭouble click the Putty.exe, you will see the interface like: PC/Desktop running Windows/Linux/Mac OSĬonnect the Micro USB cable to MarsBoard Debug port. ![]()
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