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| author | Jun Wako <wakojun@gmail.com> | 2015-01-04 17:03:47 +0900 |
|---|---|---|
| committer | Jun Wako <wakojun@gmail.com> | 2015-01-04 17:21:43 +0900 |
| commit | d0fefb76f8a1430c749e67bc72b4dba00c7143c9 (patch) | |
| tree | 2cf2fe560e83fef19c9a99adcc5d2b2300145bfc /keyboard/infinity/README | |
| parent | c6e533ce83d6ae4393e6cdf1f6d39ffefc790115 (diff) | |
infinity: Add initial files for keyboard support
Diffstat (limited to 'keyboard/infinity/README')
| -rw-r--r-- | keyboard/infinity/README | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/keyboard/infinity/README b/keyboard/infinity/README new file mode 100644 index 0000000000..53d1c91737 --- /dev/null +++ b/keyboard/infinity/README @@ -0,0 +1,81 @@ +Infinity +======== +Massdrop Infinity Keyboard: +https://www.massdrop.com/buy/infinity-keyboard-kit + +kiibohd controller(MD1): +https://github.com/kiibohd/controller + +DFU bootloader: +https://github.com/kiibohd/controller/tree/master/Bootloader + +Program with bootloader: + $ dfu-util -D kiibohd.dfu.bin + +Pinout: +https://github.com/kiibohd/controller/blob/master/Scan/MD1/pinout + +MCHCK compatible: +https://mchck.org/about/ + +MCU Freescale MK20DX128VLF5 48-QFP: +http://cache.freescale.com/files/32bit/doc/data_sheet/K20P48M50SF0.pdf + + + +Pin Usage +========= +Key Matrix: + Strobe(output high): PTB0 PTB1 PTB2 PTB3 PTB16 PTB17 PTC4 PTC5 PTD0 + Sense(input with pull-down): PTD1 PTD2 PTD3 PTD4 PTD5 PTD6 PTD7 + + +SWD pinout: + SWD_CLK(PTA0) SWD_DIO(PTA3) + SWD pins are placed next to reset button; SWD_CLK, SWD_DIO, GND, VCC from top. + Note that RESET is also needed to get full control with OpenOCD. + +LED: + PTA19(turns on with output high) + + + +Memory map +========== +kiibohd bootloader: Lib/mk20dx128vlf5.bootloader.ld +0x0000_0000 +-------------------+ -----------------+---------------+ Vector table + | .vectors | ------------. | StackPointer0 | of Bootloader + | .startup | \ | ResetHandler1 | + | .rodata | `--+---------------+ 0xF8 +0x0000_0400 | .flashconfig(0x10)| + _0410 | .text | + | .init | +0x0000_1000 +-------------------+ -----------------+---------------+ Vector table + | _app_rom | ------------. | | of App + | | \ | | + | | `--+---------------+ + | | + ~ ~ + | | +0x07FF_FFFF +-------------------+ 128KB + + +0x1FFF_E000 +-------------------+ -----------------+---------------+ Vector table + _E0F8 | | ------------. | | of App(copied) + | | \ | | + | | `--+---------------+ mbed NVIC + | | + | RAM | + | 8KB| +0x2000_0000 +-------------------+ + | | + | | + | | + | | + | RAM | + | 8KB| +0x2000_2000 +-------------------+ _estack + + + + |