RS485


Module tty adress
TQMa7x ttymxc6
TQMa6ULx ttymxc5
TQMLS102xA ttyLP0
TQMa6x ttymxc3
TQMa335x ttymxc3


Testing RS485 with Minicom on Linux


1. Set RS485 termination to ON
2. Connect RS485 cable between host and target receiver
3. Set up Baudrate and minicom serial device for Host and Target

Example


4. Open mincom configuration with $minicom -s, navigate to “Serial port setup” and set the following parameters:

Example


5. Save setup as dfl and exit to start the test
6. Start minicom on target receiver with $minicom -D /dev/<tty adress of target>
7. Test RS485 on Host with $echo <string> > /dev/<ttyadress of host>

Example

8. Minicom will print out the string sent by the Host