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tmk 449b31c18b mbed build workaround for #212 pirms 8 gadiem
..
mbed-infinity infinity: Fix disabling watchdog pirms 9 gadiem
tool infinity: Fix disabling watchdog pirms 9 gadiem
Makefile mbed build workaround for #212 pirms 8 gadiem
README infinity: Add initial files for keyboard support pirms 9 gadiem
config.h infinity: For production model and add SpaceFn pirms 9 gadiem
keymap.c infinity: For production model and add SpaceFn pirms 9 gadiem
keymap_common.c infinity: Add initial files for keyboard support pirms 9 gadiem
keymap_common.h infinity: For production model and add SpaceFn pirms 9 gadiem
led.c infinity: Add initial files for keyboard support pirms 9 gadiem
main.cpp infinity: Add initial files for keyboard support pirms 9 gadiem
matrix.c infinity: Add initial files for keyboard support pirms 9 gadiem
mbed-infinity.mk Update for the latest mbed sdk pirms 9 gadiem

README

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