Python client for GEX
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gex-client-py/examples/test_pwmdim_music.py

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import time
import gex
# beeping music with PWM (square wave)
C3 = 130.81; Cx3 = 138.59; D3 = 146.83; Dx3 = 155.56; E3 = 164.81; F3 = 174.61
Fx3 = 185.00; G3 = 196.00; Gx3 = 207.65; A3 = 220.00; Ax3 = 233.08; B3 = 246.94
C4 = 261.63; Cx4 = 277.18; D4 = 293.66; Dx4 = 311.13; E4 = 329.63; F4 = 349.23
Fx4 = 369.99; G4 = 392.00; Gx4 = 415.30; A4 = 440.00; Ax4 = 466.16; B4 = 493.88
C5 = 523.25; Cx5 = 554.37; D5 = 587.33; Dx5 = 622.25; E5 = 659.25; F5 = 698.46
Fx5 = 739.99; G5 = 783.99; Gx5 = 830.61; A5 = 880.00; Ax5 = 932.33; B5 = 987.77
with gex.Client(gex.TrxRawUSB()) as client:
pwm = gex.PWMDim(client, 'dim')
# O O/ #/ #~ #=
# 16, 8, 4, 2, 1
notes = [
(G3, 2),
(G4, 2), (E4, 6), (G4, 2), (E4, 2), (A4, 6), (0, 2), (B4, 2),
(G4, 2), (E4, 6), (A4, 2), (G4, 2), (D4, 6), (0, 2), (G3, 2),
(G4, 2), (E4, 6), (D4, 2), (C4, 2), (C5, 6), (0, 2), (A4, 2),
(G4, 2), (E4, 4), (0, 2), (D4, 2), (A3, 2), (C4, 6), (0, 2), (G3, 2),
#rep
(G4, 2), (E4, 6), (G4, 2), (E4, 2), (A4, 6), (0, 2), (B4, 2),
(G4, 2), (E4, 6), (A4, 2), (G4, 2), (D4, 6), (0, 2), (G3, 2),
(G4, 2), (E4, 6), (D4, 2), (C4, 2), (C5, 6), (0, 2), (A4, 2),
(G4, 2), (E4, 6), (D4, 2), (A3, 2), (C4, 6), (0, 2), #(C4, 2),
]
for p in notes:
pwm.stop()
time.sleep(0.01)
f = round(p[0])
print(f)
if f > 0:
pwm.set_frequency(f)
pwm.start()
time.sleep(0.1*p[1])
pwm.stop()