4 Advanced configuration of the peripheral
interface
In this chapter, we will introduce the advanced configuration of peripheral
interfaces for EC300, an edge computer based on Arm architecture.
This chapter covers the following topics:
4.1 Serial Ports
EC300 has four serial ports, one serial port supports RS485, three serial ports
support RS-232 or RS-485 mode.
The corresponding device node for COM1 is /dev/ttyS4
The device node for COM2 is /dev/ttyS5
The device node for COM3 is /dev/ttyS6
COM4 is represented by /dev/ttyS8
4.1.1 Change the serial port Settings
View and set the serial port with the stty command
To see the details, type sudo stty --help:
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