xCAT/confluent
2
0
Fork 0
mirror of https://github.com/xcat2/confluent.git synced 2024-12-25 12:41:39 +00:00
Code Issues Projects Releases Wiki Activity

Add carrier detect to autocons sample

Browse Source 
For genesis, not necessarily relevant, but may be
very relevant for OS behaviors in other contexts.
This commit is contained in:
Jarrod Johnson 2019-03-14 09:33:58 -04:00
parent 163b29a07c
commit f1e83d938b
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
misc/autocons.py
View File

@ -1,3 +1,4 @@
import fcntl
import os
import struct
import termios
@ -46,6 +47,8 @@ def do_serial_config():
currattr = termios.tcgetattr(ttyf)
currattr[4:6] = [0, termiobaud[retval['speed']]]
termios.tcsetattr(ttyf, termios.TCSANOW, currattr)
retval['connected'] = bool(struct.unpack('<I', fcntl.ioctl(
ttyf, termios.TIOCMGET, '\x00\x00\x00\x00'))[0] & termios.TIOCM_CAR)
return retval