23 lines
829 B
Python
23 lines
829 B
Python
import csv
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steps_per_mm = 5
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# starting from C3 = 130.81 Hz
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frequencies = [2**(i/12) * 130.81 for i in range(24)]
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base_duration = 0.12
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with open("FREUDE.gcode", "w") as f:
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f.write("G21 ; set units to millimeters\n")
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f.write("G90 ; use absolute coordinates\n")
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f.write("G0 Z10 F300\n")
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f.write("G0 X0 Y0 F3000\n")
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f.write("G4 S1 ; wait 1 second\n")
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position = 0
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with open("freude.txt", "r") as notes:
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for note, duration in csv.reader(notes):
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feedrate = int(frequencies[int(note) + 12] * 60 / steps_per_mm)
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length = int(duration) * base_duration / 60 * feedrate
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position += -length if position > 100 else length
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f.write(f"G0 X{position:.6f} Y{position:.6f} F{feedrate} \n")
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f.write("G4 P15 ; wait a bit\n")
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f.write("G4 ; wait\n")
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