diff options
Diffstat (limited to 'tmk_core/protocol/pjrc/MEMO.txt')
| -rw-r--r-- | tmk_core/protocol/pjrc/MEMO.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tmk_core/protocol/pjrc/MEMO.txt b/tmk_core/protocol/pjrc/MEMO.txt new file mode 100644 index 0000000000..b0f0598313 --- /dev/null +++ b/tmk_core/protocol/pjrc/MEMO.txt @@ -0,0 +1,25 @@ +Endpoint configuration +---------------------- +0 Control endpoint +1 keyboard +2 mouse +3 debug +4 extra key(consumer/system) +5 nkro keyboard(supported only on ATmega32U4/16U4 and AT90USB64/128) + + +ATmega32U4/16U4, AT90USB64/128 +• Endpoint 0:programmable size FIFO up to 64 bytes, default control endpoint +• Endpoints 1 programmable size FIFO up to 256 bytes in ping-pong mode. +• Endpoints 2 to 6: programmable size FIFO up to 64 bytes in ping-pong mode. + +AT90USB82/162, ATmega8U2/16U2/32U2 +• Endpoint 0:programmable size FIFO up to 64 bytes, default control endpoint +• Endpoints 1 and 2: programmable size FIFO up to 64 bytes. +• Endpoints 3 and 4: programmable size FIFO up to 64 bytes with ping-pong mode. + +ping-pong mode means double buffer feature. + + +NOTE: ATmega8U2/16U2/32U2 is not supported with PJRC stack at this time. +TODO: Macro definition for ATmega8U2/16U2/32U2 in usb.h |