文件列表:

APSG.cpp (6385, 2018-01-31)
APSG.h (2027, 2018-01-31)
ArduinoProgrammableSoundGenerator.ino (3241, 2018-01-31)
melodies.h (7650, 2018-01-31)
note.h (2392, 2018-01-31)
noteFrequencyChart.xlsx (13982, 2018-01-31)

# ArduinoProgrammableSoundGenerator An Arduino NES inspired multichannel sounds generator library. # How to use it Plug a speaker to pin 3, then init the sound generator in the setup function. ``` #include "APSG.h" void setup() { init_SID(); } ``` Play a 440Hz triangle wave for 1 second, then stop. ``` triangle.note = N_A4; delay(1000); triangle.note = N_NOP; ``` Play 2 tones at the same time. ``` squares[0].note = N_A4; squares[1].note = N_A5; ``` Set volume for specific channel to maximum. ``` noise.volume = 15; ``` Sweep a channel down to low frequency. ``` sawtooth.sweep_direction = SWEEP_DOWN; sawtooth.sweep_shift = 1; sawtooth.sweep_speed = SWEEP_SPEED(8); ``` There are other examples in the ino file. For instance, a couple of multichannel melodies. Try them out!

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