41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
import numpy as np
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import time
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import yaml
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from decimal import Decimal, getcontext
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import math
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def generate_continuous_sine_wave(freq, sample_rate, sleep_time, min_value=None, max_value=None):
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"""
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Continuously generates sine wave values and outputs them to stdout.
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:param freq: Frequency of the sine wave in Hertz.
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:param sample_rate: Sample rate in samples per second.
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:param sleep_time: Time to wait between taking samples in seconds.
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:param min_value: Minimum value for the sine wave (optional).
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:param max_value: Maximum value for the sine wave (optional).
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"""
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getcontext().prec = 28
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t = Decimal(0)
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dt = Decimal(1) / Decimal(sample_rate)
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while True:
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y = Decimal(math.sin(float(2 * math.pi * freq * float(t))))
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if min_value is not None:
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y = max(min_value, y)
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if max_value is not None:
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y = min(max_value, y)
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print(y)
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t += dt
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time.sleep(float(sleep_time))
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if __name__ == "__main__":
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with open("config.yml", "r") as config_file:
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config = yaml.safe_load(config_file)
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FREQUENCY = config.get("frequency", 20.0)
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SAMPLE_RATE = config.get("sample_rate", 100)
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SLEEP_TIME = config.get("sleep_time", 0.1)
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MIN_VALUE = config.get("min_value")
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MAX_VALUE = config.get("max_value")
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generate_continuous_sine_wave(FREQUENCY, SAMPLE_RATE, SLEEP_TIME, MIN_VALUE, MAX_VALUE)
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