rask's Satan and BananaSplit60 (#1654)

* Add rask's Satan layout

* Add rask's Satan layout

* Add rask's BananaSplit60 layout

* Add rask's BS60 readme

* Fix rask's BS60 readme image

* Fix rask's BS60 readme image again

1 files changed, 53 insertions, 0 deletions

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+# rask's BananaSplit60
+
+![BS60 layout](http://i.imgur.com/Q7so1py.png)
+
+## Notes
+
+### Layers
+
+Base layer is a regular HHKBish ANSI layer. Toggling the
+alternate base layer (Fn3) makes it simpler to play games with
+the left space being set to be an actual Space.
+
+Layer 1 (Fn1) contains usual 60% functionalities such as the
+F-row, while Layer 2 (Fn2) contains media controls.
+
+The final layer (Fn4) is a special layer that acts as a lock
+layer, meaning the keyboard is locked while the layer
+is active. This firmware assumes a lock switch (read below).
+
+### Lock switches
+
+1.25u between the split space halves and the 1u key right
+left of LeftArrow are to be operated with a lock switch.
+If you don't have lock switches you should swap the `MO()`
+calls with `TG()` calls to make the layer toggles work
+with regular non/locking switches.
+
+## How to make and flash
+
+(These instructions are for Linux-based operating systems
+with `dfu-programmer` available.)
+
+`cd` into the `bananasplit` keyboard's directory and run
+
+    make rask
+
+which should result in a file called `bananasplit_rask.hex` appearing
+in your QMK root directory.
+
+Now plug in your BananaSplit60 keyboard via USB. Verify
+with `lsusb` that it appears. At least my PCB did not have
+anything preflashed so you should see `atmega32u4` or similar
+in the `lsusb` output.
+
+Now you can flash the firmware by
+
+    $ sudo dfu-programmer atmega32u4 erase
+    $ cd /qmk_firmware/root/directory
+    $ sudo dfu-programmer atmega32u4 flash bananasplit_rask.hex
+
+_If_ you happen to have some other `atmega32u4` based device
+I suggest you plug it out before flashing your BS60 just to
+prevent accidentally flashing your old device.