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Diffstat (limited to 'docs/esp32')
| -rw-r--r-- | docs/esp32/quickref.rst | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/docs/esp32/quickref.rst b/docs/esp32/quickref.rst index 77c7027c4..0b825d520 100644 --- a/docs/esp32/quickref.rst +++ b/docs/esp32/quickref.rst @@ -385,6 +385,24 @@ has the same methods as software I2C above:: i2c = I2C(0) i2c = I2C(1, scl=Pin(5), sda=Pin(4), freq=400000) +I2S bus +------- + +See :ref:`machine.I2S <machine.I2S>`. :: + + from machine import I2S, Pin + + i2s = I2S(0, sck=Pin(13), ws=Pin(14), sd=Pin(34), mode=I2S.TX, bits=16, format=I2S.STEREO, rate=44100, ibuf=40000) # create I2S object + i2s.write(buf) # write buffer of audio samples to I2S device + + i2s = I2S(1, sck=Pin(33), ws=Pin(25), sd=Pin(32), mode=I2S.RX, bits=16, format=I2S.MONO, rate=22050, ibuf=40000) # create I2S object + i2s.readinto(buf) # fill buffer with audio samples from I2S device + +The I2S class is currently available as a Technical Preview. During the preview period, feedback from +users is encouraged. Based on this feedback, the I2S class API and implementation may be changed. + +ESP32 has two I2S buses with id=0 and id=1 + Real time clock (RTC) --------------------- |