Serial terminal tools

1. Connecting hardware

Connect development board to computer with Type C cable

Check if the device has been properly identified:

Under Linux can ls /dev/ttyUSB* or ls /dev/ttyACM* to see, if not you can ls /dev come look for the specific device name with the relevant serial chip and drive, and you can use sudo dmesg to find device mount message

If Windows, just open Device Manager to view

If the device is not found, you need to confirm if the driver is installed and if the connection is good.

2. Using the serial port tool

2.1. Linux

Use minicom(recommend) or screen etc.

minicom

sudo apt update
sudo apt install minicom
sudo minicom -s
# Then set the serial port number according to the prompt and the baud rate is 115200. Do not know how to search using the search tool.
# Set Backspace to DEL function
# Set linewrap to Yes
sudo minicom

Note that minicom's default configuration file save requires sudo permission, so use sudo minicom -s

minicom setting

minicom setting2

Press A to select device

Press E to set the baud rate, the baud rate needs to be set 115200

minicom setting3

Here press A and R to set the settings the same as screenshot did, the first setting is for pye, second for display long line

After setting save and exit, next time do not need to set up is required, just execute sudo minicom, if you do not want to use sudo every time, execute sudo usermod -a -G dialout $(whoami) to add user to the dialout user groups, then log off or reboot should be execute in order to take effect, note that if change the configuration by sudo minicom -s, the sudo is still needed

After entering minicom, click the Enter button or the reset button of dev board to see the interactive interface of MaixPy.

minicom

Input help(), you can view help

To exit minicom, press Ctrl+A X, press Enter confirm to exit

Furthermore, you can sepecify device by -D parameter, e.g. minicom -D /dev/ttyUSB1 -b 115200

2.2. Windows

Use tools like putty or xshell

Then select the serial port mode, then set the serial port and baud rate to open the serial port.

Then click the Enter button to see the interactive interface of MaixPy.

>>>

Input help(), you can view help

picture from laurentopia's tutorial

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