def test_newsig(self):
l.log()
hal.newsig("floatsig1", hal.HAL_FLOAT)
try:
hal.newsig("floatsig1", hal.HAL_FLOAT)
# RuntimeError: Failed to create signal floatsig1: HAL: ERROR: duplicate signal 'floatsig1'
raise "should not happen"
except RuntimeError:
pass
try:
hal.newsig(32423 * 32432, hal.HAL_FLOAT)
raise "should not happen"
except TypeError:
pass
try:
hal.newsig(None, hal.HAL_FLOAT)
raise "should not happen"
except TypeError:
pass
try:
hal.newsig("badtype", 1234)
raise "should not happen"
except TypeError:
pass
def test_net_existing_signal_with_bad_type(self):
l.log()
hal.newsig("f", hal.HAL_FLOAT)
try:
hal.net("f", "c1.s32out")
raise "should not happen"
except TypeError:
pass
del hal.signals["f"]
assert 'f' not in hal.signals
def test_net_existing_signal(self):
l.log()
hal.newsig("s32", hal.HAL_S32)
assert hal.pins["c1.s32out"].linked is False
hal.net("s32", "c1.s32out")
assert hal.pins["c1.s32out"].linked is True
hal.newsig("s32too", hal.HAL_S32)
try:
hal.net("s32too", "c1.s32out")
raise "should not happen"
except RuntimeError:
pass
del hal.signals["s32"]
assert 's32' not in hal.signals
def test_check_net_args(self):
l.log()
try:
hal.net()
except TypeError:
pass
assert 'c1-s32out' not in hal.signals
try:
hal.net(None, "c1.s32out")
except TypeError:
pass
assert 'c1-s32out' not in hal.signals
# single pin argument
assert hal.pins["c1.s32out"].linked is False
try:
hal.net("c1.s32out")
# RuntimeError: net: at least one pin name expected
except RuntimeError:
pass
# XXX die beiden gehen daneben:
# der pin wird trotz runtime error gelinkt und das signal erzeugt:
# offensichtlich hal_net.pyx:39 vor dem test in hal_net.pyx:60
assert hal.pins["c1.s32out"].linked is False
assert 'c1-s32out' not in hal.signals
# single signal argument
try:
hal.net("noexiste")
# RuntimeError: net: at least one pin name expected
except RuntimeError:
pass
# two signals
hal.newsig('sig1', hal.HAL_FLOAT)
hal.newsig('sig2', hal.HAL_FLOAT)
try:
hal.net('sig1', 'sig2')
# NameError: no such pin: sig2
except NameError:
pass
assert "noexiste" not in hal.signals
hal.net("noexiste", "c1.s32out")
assert "noexiste" in hal.signals
ne = hal.signals["noexiste"]
assert ne.writers == 1
assert ne.readers == 0
assert ne.bidirs == 0
try:
hal.net("floatsig1", "c1.s32out")
raise "should not happen"
except RuntimeError:
pass
# vim: sts=4 sw=4 et
# basic HAL operations:
# create a component with some pins
# create a signal
# link pin to signal
# get/set pin values
import time
import machinekit.hal.cyhal as hal
c = hal.Component('zzz')
p = c.newpin("p0", hal.HAL_S32, hal.HAL_OUT, init=42)
o0 = c.newpin("p1", hal.HAL_S32, hal.HAL_IN)
o1 = c.newpin("p2", hal.HAL_S32, hal.HAL_IN)
s = hal.newsig("signal", hal.HAL_S32)
p.link(s)
s.link(o0, o1)
c.ready()
print(p.get(), o0.get(), o1.get())
p.set(20)
print(o0.get(), o1.get())
# give some time to watch in halcmd
time.sleep(10)
hal.delsig("signal")
# exiting here will remove the comp, and unlink the pins