def test_group__ops(self):
assert self.g1.userarg1 == 123
assert self.g1.userarg2 == 4711
assert len(hal.groups()) == 1
assert "group1" in hal.groups()
# access via name - second wrapper
self.g2 = hal.Group("group1")
assert self.g2.userarg1 == 123
assert self.g2.userarg2 == 4711
# add signals to group
self.s1 = hal.Signal("sigs32", hal.HAL_S32)
self.s2 = hal.Signal("sigfloat", hal.HAL_FLOAT)
self.s3 = hal.Signal("sigbit", hal.HAL_BIT)
self.s4 = hal.Signal("sigu32", hal.HAL_U32)
# by object
self.g2.add(self.s1, eps_index=2)
self.g2.add(self.s2)
# by name
self.g2.add("sigbit")
self.g2.add("sigu32")
assert len(self.g2.signal_members()) == 4
try:
# try to add a duplicate
self.g2.add("sigu32")
raise Exception, "should not happen!"
except RuntimeError:
pass
# change detection - all defaults, so no change yet
assert len(self.g2.changed()) == 0
# change a member signal
self.s2.set(3.14)
# see this is reflected once
assert len(self.g2.changed()) == 1
# but only once
assert len(self.g2.changed()) == 0
self.s1.set(-112345)
self.s2.set(2.71828)
self.s3.set(True)
self.s4.set(815)
# retrieve changed values
for s in self.g2.changed():
print "\t", s.name, s.type, s.get(), s.writers, s.readers
# one more group
self.g3 = hal.Group("group3")
self.g3.add(hal.Signal("someu32", hal.HAL_U32))
# add as nested group
self.g2.add(self.g3)
# iterate members
for m in self.g2.members():
# m is a Member() object
# m.item is the object the member is referring to -
# Signal or Group instance
print m, m.item, m.epsilon, m.handle, m.userarg1, m.type
# basic group example
from machinekit import hal
g2 = hal.Group("group1")
s1 = hal.Signal("sigs32", hal.HAL_S32)
s2 = hal.Signal("sigfloat", hal.HAL_FLOAT)
s3 = hal.Signal("sigbit", hal.HAL_BIT)
s4 = hal.Signal("sigu32", hal.HAL_U32)
# by object
g2.add(s1, eps_index=2)
g2.add(s2)
# by name
g2.add("sigbit")
g2.add("sigu32")
print g2.members()
def setUp(self):
self.g1 = hal.Group("group1", arg1=123, arg2=4711)
hal.epsilon[2] = 0.1
