26 lines
902 B
Text
26 lines
902 B
Text
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Endpoint configuration
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----------------------
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0 Control endpoint
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1 keyboard
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2 mouse
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3 debug
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4 extra key(consumer/system)
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5 nkro keyboard(supported only on ATmega32U4/16U4 and AT90USB64/128)
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ATmega32U4/16U4, AT90USB64/128
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• Endpoint 0:programmable size FIFO up to 64 bytes, default control endpoint
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• Endpoints 1 programmable size FIFO up to 256 bytes in ping-pong mode.
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• Endpoints 2 to 6: programmable size FIFO up to 64 bytes in ping-pong mode.
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AT90USB82/162, ATmega8U2/16U2/32U2
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• Endpoint 0:programmable size FIFO up to 64 bytes, default control endpoint
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• Endpoints 1 and 2: programmable size FIFO up to 64 bytes.
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• Endpoints 3 and 4: programmable size FIFO up to 64 bytes with ping-pong mode.
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ping-pong mode means double buffer feature.
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NOTE: ATmega8U2/16U2/32U2 is not supported with PJRC stack at this time.
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TODO: Macro definition for ATmega8U2/16U2/32U2 in usb.h
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