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d018497 Dec 13, 2017
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@nicinabox @Khord @nooges
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Flashing

Which side do I flash?

See the QMK firmware section on Flashing for an up to date explanation.

Windows

See /u/CampAsAChamp's Windows Guide

OSX, Linux

Bootloader

Connect RST and GND to enter bootloader. If you're using an official Sparkfun Pro Micro (the red one) you need to short this twice quickly.

You will have 8 seconds to flash before it continues on to the sketch.

Tip: If this is the first time the Pro Micro has been flashed it should go directly to the bootloader on start.

Flash

QMK now includes a very easy way to automatically find the serial port and flash without having to race the bootloader. From the qmk directory type:

make lets_split/rev2:YOUR_KEYMAP_NAME:avrdude

or for the Kailh hotswap socket version:

make lets_split/sockets:YOUR_KEYMAP_NAME:avrdude

Be sure to replace YOUR_KEYMAP_NAME with the name of your keymap.

Example:

$ make lets_split/rev2:YOUR_KEYMAP_NAME:avrdude
Reset your Pro Micro now

Connecting to programmer: .
Found programmer: Id = "CATERIN"; type = S
    Software Version = 1.0; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

# [snip]

avrdude: verifying ...
avrdude: 22286 bytes of flash verified

avrdude: safemode: Fuses OK (E:CB, H:D8, L:FF)

avrdude done.  Thank you.

Troubleshooting

Programmer not responding

The controller isn't in bootloader mode. You may have missed the 8 second window to flash. NOTE Power cycling doesn't work, you have to reset it with the reset pin

Can't open device

The serial port you specified isn't the one the controller is using.

Your right side has the TRRS on the LEFT and the keymap is reversed

As of Feb 7, 2017 this should no longer be necessary. The default rev2 orientation matches the keymap below.

You need to flip the keymap in QMK to match the orientation of your board. If you have the right side setup with the TRRS on the left you'll need to reverse the keymap for that side.

Add a new file to your keymap directory named flip_keymap.h:

#undef KEYMAP
#define KEYMAP( \
	k00, k01, k02, k03, k04, k05, k45, k44, k43, k42, k41, k40, \
  k10, k11, k12, k13, k14, k15, k55, k54, k53, k52, k51, k50, \
  k20, k21, k22, k23, k24, k25, k65, k64, k63, k62, k61, k60, \
  k30, k31, k32, k33, k34, k35, k75, k74, k73, k72, k71, k70 \
	) \
	{ \
		{ k00, k01, k02, k03, k04, k05 }, \
		{ k10, k11, k12, k13, k14, k15 }, \
		{ k20, k21, k22, k23, k24, k25 }, \
		{ k30, k31, k32, k33, k34, k35 }, \
		{ k40, k41, k42, k43, k44, k45 }, \
		{ k50, k51, k52, k53, k54, k55 }, \
		{ k60, k61, k62, k63, k64, k65 }, \
		{ k70, k71, k72, k73, k74, k75 } \
	}

Then include this file at the top of keymap.c under #include "lets_split.h":

#include "flip_keymap.h"

Your right side has the TRRS on the RIGHT and the keymap is reversed

Use rev2fliphalf instead of rev2 as the target.