mirror of
https://github.com/janishutz/BiogasControllerApp.git
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56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
"""
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Library to be used in standalone mode (without microcontroller, for testing functionality)
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It simulates the behviour of an actual microcontroller being connected
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"""
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from typing import Optional
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import queue
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import random
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# This file contains a Com class that can be used to test the functionality
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# even without a microcontroller. It is not documented in a particularly
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# beginner-friendly way, nor is the code written with beginner-friendliness
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# in mind. It is the most complicated piece of code of the entire application
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# All double __ prefixed properties are not available in the actual one
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class Com:
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def __init__(self) -> None:
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# Initialize queue with values to be sent on call of recieve (add like three or so at a time)
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self._port_override = ""
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self.__mode = ""
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self.__simulated_data = queue.Queue()
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def set_port_override(self, override: str) -> None:
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"""Set the port override, to disable port search"""
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self._port_override = override
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def get_comport(self) -> str:
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return "test" if self._port_override != "" else self._port_override
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def connect(self) -> bool:
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# TODO: For testing, make cases where there is no successful connection, i.e. we return false
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# Randomly return false
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if random.randint(0, 20):
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return False
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return True
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def close(self) -> None:
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pass
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def receive(self, byte_count: int) -> bytes:
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# TODO: Make it return simulated data
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return bytes("A", "ascii")
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def send(self, msg: str) -> None:
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# TODO: Use LUT to find what should be added to the queue for read
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# Using LUT to reference
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pass
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def send_float(self, msg: float) -> None:
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pass
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def _generate_random_value(self, precision: int) -> bytes:
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return bytes(str(round(random.random() * precision) / precision), "ascii")
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