def CommsTimeBM():
print('Creating channels now...')
# Create channels
a = Channel()
b = Channel()
c = Channel()
d = Channel()
print("Running commstime test")
Par(
Prefix(c, a, prefix_item=0), # Initiator
Delta2(a, b, d), # Forwarding to two
Succ(b, c), # Feeding back to prefix
Consumer(d)).start() # Timing process
print('Finished run...')
def fulladder(A_in, B_in, C_in, Sum_in, Carry_in):
"""Full adder implementation.
Based on Bjorndalen, Vinter & Anshus (2007).
"""
Aa = Channel()
Ab = Channel()
Ba = Channel()
Bb = Channel()
Ca = Channel()
Cb = Channel()
i1 = Channel()
i1a = Channel()
i1b = Channel()
i2 = Channel()
i3 = Channel()
return Par(Delta2(A_in, Aa, Ab), Delta2(B_in, Ba, Bb),
Delta2(C_in, Ca, Cb), Delta2(i1, i1a, i1b), Xor(Aa, Ba, i1),
Xor(i1a, Ca, Sum_in), And(Ab, Bb, i2), And(i1b, Cb, i3),
Or(i2, i3, Carry_in))
Delta2(i1, i1a, i1b),
Xor(Aa, Ba, i1),
Xor(i1a, Ca, Sum_in),
And(Ab, Bb, i2),
And(i1b, Cb, i3),
Or(i2, i3, Carry_in))
if __name__ == '__main__':
print('\nFull adder implemented in Python CSP\n')
# Inputs to full adder
A = Channel()
B = Channel()
Cin = Channel()
# Outputs of full adder
Carry = Channel()
Sum = Channel()
# Channels for printing to STDOUT
PCarry = Channel()
PSum = Channel()
# Create and start adder
adder = Par(Bool1(A),
Bool2(B),
Zeroes(Cin),
fulladder(A, B, Cin, Sum, Carry),
Sign(Carry, PCarry, 'Carry: '),
Printer(PCarry),
Sign(Sum, PSum, 'Sum: '),
Printer(PSum))
adder.start()
i1 = Channel()
i1a = Channel()
i1b = Channel()
i2 = Channel()
i3 = Channel()
return Par(Delta2(A_in, Aa, Ab), Delta2(B_in, Ba, Bb),
Delta2(C_in, Ca, Cb), Delta2(i1, i1a, i1b), Xor(Aa, Ba, i1),
Xor(i1a, Ca, Sum_in), And(Ab, Bb, i2), And(i1b, Cb, i3),
Or(i2, i3, Carry_in))
if __name__ == '__main__':
print('\nFull adder implemented in Python CSP\n')
# Inputs to full adder
A = Channel()
B = Channel()
Cin = Channel()
# Outputs of full adder
Carry = Channel()
Sum = Channel()
# Channels for printing to STDOUT
PCarry = Channel()
PSum = Channel()
# Create and start adder
adder = Par(Bool1(A), Bool2(B), Zeroes(Cin),
fulladder(A, B, Cin, Sum, Carry), Sign(Carry, PCarry,
'Carry: '),
Printer(PCarry), Sign(Sum, PSum, 'Sum: '), Printer(PSum))
adder.start()
sys.path.append("../")
from CChannel import CChannel as Channel
del sys
@process
def out(cout):
i = 0
while True:
print("PYTHON: About to write " + str(i) + "\n")
cout.write(i)
print("PYTHON: Have written " + str(i) + "\n")
i = i + 1
@process
def inn(cin):
while True:
print("PYTHON: About to read \n")
a = cin.read()
print("PYTHON: Read " + str(a) + "\n")
if __name__ == "__main__":
c = Channel()
p = Par(out(c), inn(c))
p.start()
