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qmk_firmware/keyboard/infinity
History
Jun Wako 55fc97f957
Change mbed sdk path 		10 years ago
..
mbed-infinity infinity: Fix disabling watchdog 10 years ago
tool infinity: Fix disabling watchdog 10 years ago
Makefile Change mbed sdk path 10 years ago
README infinity: Add initial files for keyboard support 10 years ago
config.h infinity: For production model and add SpaceFn 10 years ago
keymap.c infinity: For production model and add SpaceFn 10 years ago
keymap_common.c infinity: Add initial files for keyboard support 10 years ago
keymap_common.h infinity: For production model and add SpaceFn 10 years ago
led.c infinity: Add initial files for keyboard support 10 years ago
main.cpp infinity: Add initial files for keyboard support 10 years ago
matrix.c infinity: Add initial files for keyboard support 10 years ago
mbed-infinity.mk Update for the latest mbed sdk 10 years ago

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