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86 lines
2.7 KiB
Markdown
86 lines
2.7 KiB
Markdown
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# Pearl 40%
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Pearl 40% is a keyboard designed by Koobaczech. It uses an Atmel
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ATMEGA32A MCU.
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## Compiling and flashing
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These instructions are for building and flashing your Pearl 40% without
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Bootmapper Client.
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### Requirements
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#### Windows
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(to be written, help needed)
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#### Mac
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Apart from regular QMK and AVR dependencies you need to install
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`bootloadHID`. You can install it with `homebrew` as follows:
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$ brew install --HEAD https://raw.githubusercontent.com/robertgzr/homebrew-tap/master/bootloadhid.rb
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If you don't use `homebrew` you can try following the compiling
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instructions defined below in the Linux section.
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#### Linux
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For Linux you require all regular QMK dependencies, but make sure you're
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using `gcc-avr` version 4.9 or higher. 4.8 and lower do not contain the
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proper definitions for ATMEGA32A MCUs and QMK will fail while attempting
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to compile a HEX for Pearl 40%.
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E.g. you cannot compile Pearl 40% HEX on a regular Ubuntu 14.04 as
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`gcc-avr` version is maxed to 4.8 on it.
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Additionally you need an operational `bootloadHID` binary.
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You can install `bootloadHID` by taking the following steps:
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$ git clone https://github.com/robertgzr/bootloadHID ~/tmp/bootloadHIDsrc
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$ cd ~/tmp/bootloadHIDsrc/commandline
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$ make VENDORID=0x16c0 PRODUCTID=0x05DF # vid and pid for atmega32a
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$ chmod +x bootloadHID && cp bootloadHID /usr/bin/bootloadHID
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Running `which bootloadHID` should return `/usr/bin/bootloadHID`.
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### Compiling
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Enter the QMK root directory and compile a keymap with the following
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command:
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$ make pearl:<keymap>
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where `<keymap>` is a layout directory under the `pearl` directory.
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QMK should compile a HEX (called `pearl_<keymap>.hex`) for you, which
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you can flash using `bootloadHID`.
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### Flashing
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To enable Pearl 40% bootloading mode, unplug the keyboard, then plug it
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in while holding `Esc` at the same time (the top-leftmost switch on the
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PCB, next to the USB connector). Once the board is in bootload mode,
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issue the following command (you might require `sudo` to perform the
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command):
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# assuming we're still in the QMK root dir where you compiled a HEX into
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$ bootloadHID -r ./pearl_<keymap>.hex
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You should see something similar to
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> Page size = <value>
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> Device size = <value>; <value> remaining
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> Uploading <value> bytes starting at 0 (0x0)
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> <value> ... <current value>
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where `<current value>` should be slowly increasing as the HEX is being
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flashed to the board. If there is some warning about `resource busy` it
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should still work OK.
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Once done the board underglow should turn red and the new firmware has
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been flashed. If you can't type on the board try plugging it in again
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(without holding any keys to prevent accidentally setting it into
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bootload mode again).
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