vmann/freude
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fix pause duration

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This commit is contained in:
Thomas Lindner 2024-12-29 18:40:58 +01:00
parent 4c6e790127
commit 571e8e559a
1 changed files with 4 additions and 2 deletions

6
freude.py
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@ -20,7 +20,7 @@ pitches = ["c", "c#", "d", "d#", "e", "f", "f#", "g", "g#", "a", "a#", "b"]
frequencies = {
f"{pitches[i % 12]}{i // 12 + 3}": 2 ** (i / 12) * 130.81 for i in range(36)
}
# duration of 1/16th beat
# duration of 1/16th beat in seconds
base_duration = 60 / args.bpm / 16
with open(args.output, "w") as f:
@ -44,7 +44,9 @@ with open(args.output, "w") as f:
pause = int(pause)
if duration < 1 or pause < -1:
sys.exit("duration/pause are integer multiples of 1/16th beat")
# feedrate in mm per minute
feedrate = int(frequency * 60 / args.steps_per_mm)
# length in mm
length = duration * base_duration / 60 * feedrate
position += -length if position > 100 else length
if position < 0 or position > 200:
@ -52,6 +54,6 @@ with open(args.output, "w") as f:
f.write(f"; {pitch},{duration},{pause}\n")
f.write(f"G0 X{position:.6f} Y{position:.6f} F{feedrate}\n")
if pause != -1:
pause_ms = int(pause * base_duration)
pause_ms = int(pause * base_duration * 1000)
f.write(f"G4 P{pause_ms}\n")
f.write("G4 S2 ; wait 2 seconds\n")