ee2c18f0cd
The newest version of the Infinity keyboard has a slightly different matrix and LED support. This just adds support for the matrix. Flashed and tested on my IC60 1.1a.
86 righe
2.7 KiB
Plaintext
86 righe
2.7 KiB
Plaintext
Infinity
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========
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Massdrop Infinity Keyboard:
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https://www.massdrop.com/buy/infinity-keyboard-kit
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kiibohd controller(MD1):
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https://github.com/kiibohd/controller
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DFU bootloader:
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https://github.com/kiibohd/controller/tree/master/Bootloader
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Program with bootloader:
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$ dfu-util -D kiibohd.dfu.bin
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Pinout:
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https://github.com/kiibohd/controller/blob/master/Scan/MD1/pinout
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MCHCK compatible:
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https://mchck.org/about/
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MCU Freescale MK20DX128VLF5 48-QFP:
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http://cache.freescale.com/files/32bit/doc/data_sheet/K20P48M50SF0.pdf
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Pin Usage
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=========
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Key Matrix:
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For v1.0 (without LED support)
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strobe(output high): ptb0 ptb1 ptb2 ptb3 ptb16 ptb17 ptc4 ptc5 ptd0
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sense(input with pull-down): ptd1 ptd2 ptd3 ptd4 ptd5 ptd6 ptd7
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For v1.1a (with LED support)
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strobe(output high): ptc0 ptc1 ptc2 ptc3 ptc4 ptc5 ptc6 ptc7 ptd0
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sense(input with pull-down): ptd1 ptd2 ptd3 ptd4 ptd5 ptd6 ptd7
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SWD pinout:
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SWD_CLK(PTA0) SWD_DIO(PTA3)
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SWD pins are placed next to reset button; SWD_CLK, SWD_DIO, GND, VCC from top.
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Note that RESET is also needed to get full control with OpenOCD.
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LED:
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PTA19(turns on with output high)
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Memory map
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==========
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kiibohd bootloader: Lib/mk20dx128vlf5.bootloader.ld
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0x0000_0000 +-------------------+ -----------------+---------------+ Vector table
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| .vectors | ------------. | StackPointer0 | of Bootloader
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| .startup | \ | ResetHandler1 |
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| .rodata | `--+---------------+ 0xF8
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0x0000_0400 | .flashconfig(0x10)|
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_0410 | .text |
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| .init |
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0x0000_1000 +-------------------+ -----------------+---------------+ Vector table
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| _app_rom | ------------. | | of App
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| | \ | |
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| | `--+---------------+
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~ ~
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0x07FF_FFFF +-------------------+ 128KB
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0x1FFF_E000 +-------------------+ -----------------+---------------+ Vector table
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_E0F8 | | ------------. | | of App(copied)
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| | \ | |
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| | `--+---------------+ mbed NVIC
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| RAM |
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| 8KB|
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0x2000_0000 +-------------------+
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| RAM |
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| 8KB|
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0x2000_2000 +-------------------+ _estack
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