ROM-6881 How to use UART

From ESS-WIKI
Revision as of 09:01, 3 January 2024 by Xingxing.li (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

UART 

User Debian/Linux UART/serial port access is through the tty-devices. The ttydevices have different names depending on UART drivers for different boards.The default value is RS232.

ROM-6881 -Device Node SOM-DB2510 device-COM Port Name
/dev/ttyS0 COM2_4的COM2(RS232 2-wire)
/dev/ttyS6 COM1_3的COM1(RS232 4-wire)
/dev/ttyS9 COM1_3的COM3(RS232 4-wire)

SOM-DB2510 UART Setting 

SOM-DB2510 SW1.PNGSOM-DB2510 SW2.PNG

Test

1.  4-wire (Take SOM-DB2510  COM1_3的COM1 for example) 

# /tools/test/adv/uart/rs232_4_wire_test.sh /dev/ttyS6

2.  2-wire (Take SOM-DB2510 COM2_4的COM2 for example) 

# /tools/test/adv/uart/rs232_2_wire_test.sh /dev/ttyS0
Retrieved from "https://ess-wiki.advantech.com.tw/wiki/index.php?title=ROM-6881_How_to_use_UART&oldid=33243"