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#
# gensio - A library for abstracting stream I/O
# Copyright (C) 2018 Corey Minyard <minyard@acm.org>
#
# SPDX-License-Identifier: GPL-2.0-only
#
from utils import *
check_pipe_dev()
import gensio
if is_serialsim_pipe():
from serialsim import *
print("Test modemstates")
io1str = "serialdev," + ttypipe[0] + ",9600N81,LOCAL"
io2str = "serialdev," + ttypipe[1] + ",9600N81,hangup-when-done=off,rts=off,dtr=off"
print("serialdev modemstate:\n io1=%s\n io2=%s" % (io1str, io2str))
io1 = alloc_io(o, io1str, do_open = False)
io2 = alloc_io(o, io2str)
# If we have a serialsim serial ports pair, we can do lots of special
# checking for correctness.
def check_serialsim_pipe(io1, io2):
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_ACONTROL_SER_DTR, "off", -1)
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_ACONTROL_SER_RTS, "off", -1)
set_remote_null_modem(remote_id_int(io2), False);
set_remote_modem_ctl(remote_id_int(io2), (SERIALSIM_TIOCM_CAR |
SERIALSIM_TIOCM_CTS |
SERIALSIM_TIOCM_DSR |
SERIALSIM_TIOCM_RNG) << 16)
io1.handler.set_expected_modemstate(0)
io1.open_s()
io1.read_cb_enable(True);
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 1" %
("test dtr", io1.handler.name))
io2.read_cb_enable(True);
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD)
set_remote_modem_ctl(remote_id_int(io2), ((SERIALSIM_TIOCM_CAR << 16) |
SERIALSIM_TIOCM_CAR))
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 2" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD |
gensio.GENSIO_SER_MODEMSTATE_DSR)
set_remote_modem_ctl(remote_id_int(io2), ((SERIALSIM_TIOCM_DSR << 16) |
SERIALSIM_TIOCM_DSR))
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 3" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD |
gensio.GENSIO_SER_MODEMSTATE_DSR |
gensio.GENSIO_SER_MODEMSTATE_CTS)
set_remote_modem_ctl(remote_id_int(io2), ((SERIALSIM_TIOCM_CTS << 16) |
SERIALSIM_TIOCM_CTS))
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 4" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_RI_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD |
gensio.GENSIO_SER_MODEMSTATE_DSR |
gensio.GENSIO_SER_MODEMSTATE_CTS |
gensio.GENSIO_SER_MODEMSTATE_RI)
set_remote_modem_ctl(remote_id_int(io2), ((SERIALSIM_TIOCM_RNG << 16) |
SERIALSIM_TIOCM_RNG))
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 5" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_RI_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED)
set_remote_modem_ctl(remote_id_int(io2), (SERIALSIM_TIOCM_CAR |
SERIALSIM_TIOCM_CTS |
SERIALSIM_TIOCM_DSR |
SERIALSIM_TIOCM_RNG) << 16)
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 6" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD |
gensio.GENSIO_SER_MODEMSTATE_DSR |
gensio.GENSIO_SER_MODEMSTATE_CTS)
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET, gensio.GENSIO_ACONTROL_SER_DTR,
"on", -1);
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET, gensio.GENSIO_ACONTROL_SER_RTS,
"on", -1);
set_remote_null_modem(remote_id_int(io2), True);
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 7" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED)
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET, gensio.GENSIO_ACONTROL_SER_DTR,
"off", -1);
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET, gensio.GENSIO_ACONTROL_SER_RTS,
"off", -1);
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 7" %
("test dtr", io1.handler.name))
pass
# Normal NULL modem serial port pair, do what we can.
def check_normal_pipe(io1, io2):
io1.handler.set_expected_modemstate(0)
io1.open_s()
io1.read_cb_enable(True);
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 1" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD |
gensio.GENSIO_SER_MODEMSTATE_DSR)
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_ACONTROL_SER_DTR, "on", -1)
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 2" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD |
gensio.GENSIO_SER_MODEMSTATE_DSR |
gensio.GENSIO_SER_MODEMSTATE_CTS)
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_ACONTROL_SER_RTS, "on", -1)
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 3" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CTS)
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_ACONTROL_SER_DTR, "off", -1)
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 3" %
("test dtr", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED)
io2.acontrol_s(0, gensio.GENSIO_CONTROL_SET,
gensio.GENSIO_ACONTROL_SER_RTS, "off", -1)
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 3" %
("test dtr", io1.handler.name))
pass
if is_serialsim_pipe():
check_serialsim_pipe(io1, io2)
else:
check_normal_pipe(io1, io2)
pass
# Now test HUPCL
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD |
gensio.GENSIO_SER_MODEMSTATE_DSR |
gensio.GENSIO_SER_MODEMSTATE_CTS)
io_close((io2,))
# Give time for Windows to handle the close to avoid a permissions error.
waiter = gensio.waiter(o)
waiter.wait_timeout(1, 1000)
del waiter
io2str = "serialdev," + ttypipe[1] + ",9600N81,hangup-when-done=on,rtscts=off"
io2 = alloc_io(o, io2str)
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 100" %
("test hupcl", io1.handler.name))
io1.handler.set_expected_modemstate(
gensio.GENSIO_SER_MODEMSTATE_CTS_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_CD_CHANGED |
gensio.GENSIO_SER_MODEMSTATE_DSR_CHANGED)
io_close((io2,))
if (io1.handler.wait_timeout(2000) == 0):
raise Exception("%s: %s: Timed out waiting for modemstate 101" %
("test hupcl", io1.handler.name))
io_close((io1,))
del io1
del io2
del o
test_shutdown()
print(" Success!")
|
