1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
#
# gensio - A library for abstracting stream I/O
# Copyright (C) 2025 Corey Minyard <minyard@acm.org>
#
# SPDX-License-Identifier: GPL-2.0-only
#
import sys
from utils import *
check_pipe_dev()
import gensio
print("Test serial break")
io1str = "serialdev," + ttypipe[0] + ",9600N81,LOCAL"
io2str = "serialdev," + ttypipe[1] + ",9600N81,LOCAL"
print("serialdev:\n io1=%s\n io2=%s" % (io1str, io2str))
io1 = alloc_io(o, io1str)
io2 = alloc_io(o, io2str)
print("Make sure 0xff transfers correctly")
test_dataxfer(io1, io2, "a\xffx\xff\xffy")
do_small_test(io1, io2)
# Allow io2 to receive a serial break.
try:
io2.acontrol(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_ACONTROL_SER_SET_LINESTATE_MASK,
str(gensio.GENSIO_SER_LINESTATE_BREAK |
gensio.GENSIO_SER_LINESTATE_PARITY_ERR),
None, -1)
except Exception as e:
print("receive serial break not supported: " + str(e))
sys.exit(77)
print("Cause a break")
io2.handler.set_expected_linestate(gensio.GENSIO_SER_LINESTATE_BREAK)
io2.read_cb_enable(True);
io1.control(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_CONTROL_SER_SEND_BREAK, "")
if (io2.handler.wait_timeout(2000) == 0):
raise Exception("Timed out waiting for serial break")
print(" Success!")
do_small_test(io1, io2)
io_close((io1, io2))
del io1
del io2
del o
test_shutdown()
print("Success!")
|
