41 lines
947 B
Python
41 lines
947 B
Python
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## Hardware GPIO # pin defines
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## Screen pins
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sck = const(2)
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data = const(3)
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reset = const(4)
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dc = const(5)
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## there are a number of libs that require pins that we don't provide
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## pass them the on-board LED. It's unlikely to hurt.
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throwaway = const(25)
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debug = const(27)
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user_button = const(19)
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audio_shutdown = const(22)
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## Codec pins
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## clocks
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mclk = const(7)
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bit_clock = const(8)
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lr_clock = const(9)
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## data
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sd_in = const(13) ## In 3/4 (Y=L, X=R)
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sd_out = const(10) ## Out 1/2 (Y=L, X=R)
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## config
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pdn = const(6)
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i2c_scl = const(21)
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i2c_sda = const(20)
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## some globally useful pin inits
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# debug_pin = machine.Pin(debug, machine.Pin.OUT, value=0)
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# audio_shutdown_pin = machine.Pin(audio_shutdown, machine.Pin.OUT, value=1)
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# user_button = machine.Pin(user_button, machine.Pin.IN)
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#sd_in=Pin(13, Pin.IN) ## In 3/4 (Y=L, X=R)
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#sd_out=Pin(10, Pin.OUT, value=0) ## Out 1/2 (Y=L, X=R)
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