Bitwise is a library for utilizing Python as a hardware description language
Bitwise is a Python library intended to make hardware design and simulation more accessible for software engineers. While it can never replace a true hardware description language, it aims to serve as a useful tool in the hardware design process, allowing a user to build and test their digital circuits in a high-level programming language (i.e. with simpler syntax and more flexible semantics) before implementing them using an HDL.
Refer to the documentation for installation instructions, usage examples, API reference, and more.
The following code creates a half-adder circuit:
""" Create a half-adder. """ import bitwise as bw def main(): # initialize inputs a = bw.wire.Wire() b = bw.wire.Wire() # initialize outputs sum_ = bw.wire.Wire() carry_out = bw.wire.Wire() # create circuit bw.gate.XORGate2(a, b, sum_) # XORs a and b and puts the result into sum_ bw.gate.ANDGate2(a, b, carry_out) # ANDs a and b and puts the result into carry_out if __name__ == "__main__": main()
Interacting with it in a Python session:
In : a.value = 0 In : b.value = 0 In : sum_.value Out: 0 In : carry_out.value Out: 0 In : a.value = 1 In : sum_.value Out: 1 In : carry_out.value Out: 0 In : b.value = 1 In : sum_.value Out: 0 In : carry_out.value Out: 1
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