Difference between revisions of "ROM-6881 How to use UART"

From ESS-WIKI
Jump to: navigation, search
 
Line 1: Line 1:
  
== '''UART ''' ==
+
== 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.'''
 
'''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.'''
Line 18: Line 18:
 
| COM1_3的COM3(RS232 4-wire)
 
| COM1_3的COM3(RS232 4-wire)
 
|}
 
|}
 +
 +
== SOM-DB2510 UART Setting  ==
 +
 +
[[File:SOM-DB2510 SW1.PNG]][[File:SOM-DB2510 SW2.PNG]]
 +
 +
== Test ==
  
 
1.  4-wire (Take SOM-DB2510  COM1_3的COM1 for example)
 
1.  4-wire (Take SOM-DB2510  COM1_3的COM1 for example)

Latest revision as of 09:01, 3 January 2024

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