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-rwxr-xr-xkeyboard/planck/CYGWIN_GUIDE.md352
-rw-r--r--keyboard/planck/PCB_GUIDE.md151
-rwxr-xr-xkeyboard/planck/flash-pcb.sh3
3 files changed, 0 insertions, 506 deletions
diff --git a/keyboard/planck/CYGWIN_GUIDE.md b/keyboard/planck/CYGWIN_GUIDE.md
deleted file mode 100755
index ac13e745d7..0000000000
--- a/keyboard/planck/CYGWIN_GUIDE.md
+++ /dev/null
@@ -1,352 +0,0 @@
-#Planck Advanced (but not too advanced) `cygwin` Users Guide
-If you are a user of the [cygwin environment](https://cygwin.com) in Windows and want the freedom to use the latest tools available, then this is the guide for you. If compiling your own copy of the latest and greatest Gnu C Compiler makes you super happy, then this is the guide for you. If the command line make you smile, then this is the guide for you.
-
-This guide was written step by step as I went through the process on a `Windows 10` `x86_64` and a `Windows 7` `amd k10` based system. This should be generally applicable to to any `Windows` environment with `cygwin`.
-
-#####Do not skip steps. Do not move past a step until the previous step finishes successfully.
-
-Based on [avr-libc installation guide](http://www.nongnu.org/avr-libc/user-manual/install_tools.html)
-
-##Get the Required Packages
-Download the `cygwin` setup ([x86_64](https://cygwin.com/setup-x86_64.exe)) and install the default system plus the following if they are not already selected:
-- devel/git
-- devel/gcc-core
-- devel/gcc-g++
-- devel/flex
-- devel/bison
-- devel/make
-- devel/texinfo
-- devel/gettext-devel
-- devel/automake
-- devel/autoconfig
-- devel/libtool
-- text/gettext
-- libs/libgcc1
-- interpreters/m4
-- web/wget
-- archive/unzip
-
-The following sources will be required:
-- [gmp](https://gmplib.org/) (6.1.0)
-- [mpfr](http://www.mpfr.org/) (3.1.4)
-- [mpc](http://www.multiprecision.org/) (1.0.3)
-- [binutils](https://www.sourceware.org/binutils/) (2.26)
-- [gcc](https://gcc.gnu.org/) (5.3.0)
-- [avr-libc](http://www.nongnu.org/avr-libc/) (2.0.0)
-
-The `dfu-programmer` will be required to flash the new firmware
-- [dfu-programmer](https://dfu-programmer.github.io/) (0.7.2)
-
-The set of commands below will create a directory (`~/local/avr`) for the sources you compile to be installed on the machine and a directory (`~/src`) for these source files to be stored. The commands then download the sources of the needed packages and unpack them. Note: the expand commands are different depending on if the packages are offered as a `bz2` or `gz` archive
-```
-$ mkdir ~/local
-$ mkdir ~/local/avr
-$ mkdir ~/src
-$ cd ~/src
-$ wget https://gmplib.org/download/gmp/gmp-6.1.0.tar.bz2
-$ wget http://www.mpfr.org/mpfr-3.1.4/mpfr-3.1.4.tar.bz2
-$ wget ftp://ftp.gnu.org/gnu/mpc/mpc-1.0.3.tar.gz
-$ wget http://ftp.gnu.org/gnu/binutils/binutils-2.26.tar.gz
-$ wget http://mirror0.babylon.network/gcc/releases/gcc-5.3.0/gcc-5.3.0.tar.gz
-$ wget http://download.savannah.gnu.org/releases/avr-libc/avr-libc-2.0.0.tar.bz2
-$ tar -xjf gmp-6.1.0.tar.bz2
-$ tar -xjf mpfr-3.1.4.tar.bz2
-$ tar -zxf mpc-1.0.3.tar.gz
-$ tar -zxf binutils-2.26.tar.gz
-$ tar -zxf gcc-5.3.0.tar.gz
-$ tar -xjf avr-libc-2.0.0.tar.bz2
-```
-
-##Setup the Build Environment
-These commands will set up the install directory and the `PATH` variable, which will allow you to access your installed packages. Note: if you close the `cygwin` terminal window, you will need to rerun these commands, they are not permanent.
-```
-$ PREFIX=$HOME/local/avr
-$ export PREFIX
-$ PATH=/usr/local/bin:/usr/local/lib:/usr/local/include:/bin:/lib:/cygdrive/c/WINDOWS/system32:/cygdrive/c/WINDOWS
-$ PATH=$PATH:$PREFIX/bin:$PREFIX/lib
-$ export PATH
-```
-
-##The `gcc` Required Math Library Packages
-The following packages are required to be complied and installed in order to compile `gcc`. They are not sufficiently available through the `cygwin` package system, so we have to make them ourselves. They must be complied in this order because each one depends on the previous. Verfiy that for each package, `make check` returns all passing and no fails.
-
-###Build and Install `gmp`
-```
-$ cd ~/src/gmp-6.1.0
-$ ./configure --enable-static --disable-shared
-$ make
-$ make check
-$ make install
-```
-
-###Build and Install `mpfr`
-```
-$ cd ~/src/mpfr-3.1.4
-$ ./configure --with-gmp-build=../gmp-6.1.0 --enable-static --disable-shared
-$ make
-$ make check
-$ make install
-```
-
-###Build and Install `mpc`
-```
-$ cd ~/src/mpc-1.0.3
-$ ./configure --with-gmp=/usr/local --with-mpfr=/usr/local --enable-static --disable-shared
-$ make
-$ make check
-$ make install
-```
-
-##OPTIONAL Part
-You can build and install a brand new `gcc` or you can use the one supplied by `cygwin`. This will take about 4-5 hours to compile (It is a "native build", so it does the entire build **3 times**. This takes a long while).
-
-###Build and Install `gcc` for Your Machine
-```
-$ cd ~/src/gcc-5.3.0
-$ mkdir obj-local
-$ cd obj-local
-$ ../configure --enable-languages=c,c++ --with-gmp=/usr/local --with-mpfr=/usr/local --with-mpc=/usr/local --enable-static --disable-shared
-$ make
-$ make install
-```
-##End OPTIONAL Part
-
-###Build and Install `binutils` for Your Machine
-```
-$ cd ~/src/binutils-2.26
-$ mkdir obj-local
-$ cd obj-local
-$ ../configure
-$ make
-$ make install
-```
-
-##Buliding `binutils`, `gcc`, and `avr-libc` for the AVR system
-Now we can make the critical stuff for compiling our firmware: `binutils`, `gcc`, and `avr-libc` for the AVR architecture. These allow us to build and manipulate the firmware for the keyboard.
-
-###Build `binutils` for AVR
-If you plan to build and install `avr-gdb` also, use the `gdb` install at the end of this guide as it also builds the `binutils`
-```
-$ cd ~/src/binutils-2.26
-$ mkdir obj-avr
-$ cd obj-avr
-$ ../configure --prefix=$PREFIX --target=avr --disable-nls
-$ make
-$ make install
-```
-
-###Build `gcc` for AVR
-```
-$ cd ~/src/gcc-5.3.0
-$ mkdir obj-avr
-$ cd obj-avr
-$ ../configure --prefix=$PREFIX --target=avr --enable-languages=c,c++ --with-gmp=/usr/local --with-mpfr=/usr/local --with-mpc=/usr/local --enable-static --disable-shared --disable-nls --disable-libssp --with-dwarf2
-$ make
-$ make install
-```
-
-###Build `avr-libc` for AVR
-For building the `avr-libc`, we have to specify the host build system. In my case it is `x86_64-unknown-cygwin`. You can look for build system type in the `gcc` configure notes for the proper `--build` specification to pass when you configure `avr-libc`.
-```
-$ cd ~/src/avr-libc-2.0.0
-$ ./configure --prefix=$PREFIX --build=x86_64-unknown-cygwin --host=avr
-$ make
-$ make install
-```
-
-##Building 'dfu-programmer' for flashing the firmware via USB and installing the drivers
-We can either build our own, or use the precomplied binaries. The precompiled binaries don't play well with `cygwin` so it is better to build them ourselves. The procedure for the precompiled binaries is included at the end of this guide.
-
-### Build and Install the `libusb`
-The `dfu-programmer` requires `libusb` so that it can interact with the USB system. These repos must be bootstrapped in order to create an appropriate `./configure` and `Makefile` for your system.
-```
-$ cd ~/src
-$ git clone https://github.com/libusb/libusb.git
-$ cd libusb
-$ ./bootstrap.sh
-$ ./configure
-$ make
-$ make install
-```
-
-### Build and Install the `dfu-programmer`
-```
-$ cd ~/src
-$ git clone https://github.com/dfu-programmer/dfu-programmer.git
-$ cd dfu-programmer
-$ ./bootstrap.sh
-$ ./configure
-$ make
-$ make install
-```
-
-Verify the installation with:
-```
-$ which dfu-programmer
-/usr/local/bin/dfu-programmer
-
-$ dfu-programmer
-dfu-programmer 0.7.2
-https://github.com/dfu-programmer/dfu-programmer
-Type 'dfu-programmer --help' for a list of commands
- 'dfu-programmer --targets' to list supported target devices
-```
-If you are not getting the above result, you will not be able to flash the firmware!
-
-###Install the USB drivers
-The drivers are included in the windows binary version of [`dfu-programmer` 0.7.2](http://iweb.dl.sourceforge.net/project/dfu-programmer/dfu-programmer/0.7.2/dfu-programmer-win-0.7.2.zip).
-```
-$ cd ~/src
-$ wget http://iweb.dl.sourceforge.net/project/dfu-programmer/dfu-programmer/0.7.2/dfu-programmer-win-0.7.2.zip
-$ unzip dfu-programmer-win-0.7.2.zip -d dfu-programmer-win-0.7.2
-```
-
-or
-
-The official drivers are found in [Atmel's `FLIP` installer](http://www.atmel.com/images/Flip%20Installer%20-%203.4.7.112.exe). Download and then install `FLIP`. Upon installation, the drivers will be found in `C:\Program Files (x86)\Atmel\Flip 3.4.7\usb`.
-
-Then, from an **administrator-privileged** `Windows` terminal, run the following command (adjust the path for username, etc. as necessary) and accept the prompt that pops up:
-```
-C:\> pnputil -i -a C:\cygwin64\home\Kevin\src\dfu-programmer-win-0.7.2\dfu-prog-usb-1.2.2\atmel_usb_dfu.inf
-or
-C:\> pnputil -i -a "C:\Program Files (x86)\Atmel\Flip 3.4.7\usb\atmel_usb_dfu.inf"
-```
-
-This should be the result:
-```
-Microsoft PnP Utility
-
-Processing inf : atmel_usb_dfu.inf
-Successfully installed the driver on a device on the system.
-Driver package added successfully.
-Published name : oem104.inf
-
-
-Total attempted: 1
-Number successfully imported: 1
-```
-
-Alternatively, the `Windows` driver can be installed when prompted by `Windows` when the keyboard is attached. Do not let `Windows` search for a driver; specify the path to search for a driver and point it to the `atmel_usb_dfu.inf` file.
-
-##Building and Flashing the Planck firmware!
-If you did everything else right. This part should be a snap! Grab the latest sources from `github`, make the Plank firmware, then flash it.
-
-###Build Planck and Load the Firmware
-```
-$ cd ~/src
-$ git clone https://github.com/jackhumbert/qmk_firmware.git
-$ cd qmk_firmware/keyboard/planck
-$ make
-```
-
-Make sure there are no errors. You should end up with this or something similar:
-```
-Creating load file for Flash: planck.hex
-avr-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature planck.elf planck.hex
-
-Creating load file for EEPROM: planck.eep
-avr-objcopy -j .eeprom --set-section-flags=.eeprom="alloc,load" \
---change-section-lma .eeprom=0 --no-change-warnings -O ihex planck.elf planck.eep || exit 0
-
-Creating Extended Listing: planck.lss
-avr-objdump -h -S -z planck.elf > planck.lss
-
-Creating Symbol Table: planck.sym
-avr-nm -n planck.elf > planck.sym
-
-Size after:
- text data bss dec hex filename
- 18602 82 155 18839 4997 planck.elf
-
--------- end --------
-```
-
-If you do not get the above, you **did not** build the firmware, and you will have nothing to flash. If you have the fresh clone from `github`, it was probably something gone wrong in this install process, go check and see what didn't work and threw errors or what steps you might have missed.
-
-But if everything went OK, you are ready to flash! Press the reset button on the bottom of the Planck, wait two seconds, then:
-```
-$ make dfu
-```
-.
-.
-.
-profit!!!
-
-
-
-
-
-##extra bits...
-
-###Installing Precompiled `dfu-programmer` Binaries (not recommended for `cygwin`)
-To install the `dfu-programmer` from the binaries, we must get if from [the `dfu-programmer` website](https://dfu-programmer.github.io/) ([0.7.2](http://iweb.dl.sourceforge.net/project/dfu-programmer/dfu-programmer/0.7.2/dfu-programmer-win-0.7.2.zip)).
-
-Copy this file into your `cygwin` home\src directory. (For me, it is `C:\cygwin64\home\Kevin\src`), extract the files, move `dfu-programmer.exe` to `~/local/avr/bin`. Most obnoxiously, the `libusb0_x86.dll` and `libusb0.sys` need to be moved from `./dfu-prog-usb-1.2.2/x86/` to a directory in the `Windows` `PATH` and the `cygwin` `PATH`. This is because the `dfu-programmer` binary is `mingw` based, not `cygwin` based, so the `dlls` do not cooperate. I achieved acceptable pathing by moving the files to `C:\cygwin64\home\Kevin\local\avr\bin` Then, in a `WINDOWS` command prompt running (Adjusting your path for username, etc. as needed):
-```
-C:\> set PATH=%PATH%;C:\cygwin64\home\Kevin\local\avr\bin
-```
-
-Then, rename `libusb0_x86.dll` to `libusb0.dll`.
-
-You can tell that you were successful by trying to execute 'dfu-programmer' from the 'cygwin' prompt:
-```
-$ which dfu-programmer
-/home/Kevin/local/avr/bin/dfu-programmer
-
-$ dfu-programmer
-dfu-programmer 0.7.2
-https://github.com/dfu-programmer/dfu-programmer
-Type 'dfu-programmer --help' for a list of commands
- 'dfu-programmer --targets' to list supported target devices
-```
-
-If you are not getting the above result, you will not be able to flash the firmware!
-- Try making sure your `PATH` variables are set correctly for both `Windows` and `cygwin`.
-- Make sure the `dll` is named correctly.
-- Do not extract it with `cygwin`'s `unzip` as it does not set the executable permission. If you did it anyway, do `chmod +x dfu-programmer.exe`.
-- Still have problems? Try building it instead.
-
-
-##Debugging Tools
-
-These tools are for debugging your firmware, etc. before flashing. Theoretically, it can save your memory from wearing out. However, these tool do not work 100% for the Planck firmware.
-
-### `gdb` for AVR
-`gdb` has a simulator for AVR but it does not support all instructions (like WDT), so it immediately crashes when running the Planck firmware (because `lufa.c` disables the WDT in the first few lines of execution). But it can still be useful in debugging example code and test cases, if you know how to use it.
-
-```
-$ cd ~/src
-$ git clone git://sourceware.org/git/binutils-gdb.git
-$ cd binutils-gdb
-$ mkdir obj-avr
-$ cd obj-avr
-$ ../configure --prefix=$PREFIX --target=avr --build=x86_64-unknown-cygwin --with-gmp=/usr/local --with-mpfr=/usr/local --with-mpc=/usr/local --disable-nls --enable-static
-$ make
-$ make install
-```
-
-### `simulavr`
-`simulavr` is an AVR simulator. It runs the complied AVR elfs. `simulavr` does not support the `atmega32u4` device... it does `atmega32` but that is not good enough for the firmware (no PORTE and other things), so you cannot run the Planck firmware. I use it to simulate ideas I have for features in separate test projects.
-
-This one is a major pain in the butt because it has a lot of dependencies and it is buggy. I will do my best to explain it but... it was hard to figure out. A few things need to be changed in the 'Makefile' to make it work in `cygwin`.
-
-
-```
-$ cd ~/src
-$ git clone https://github.com/Traumflug/simulavr.git
-$ cd simulavr
-$ ./bootstrap
-$ ./configure --prefix=$PREFIX --enable-static --disable-tcl --disable-doxygen-doc
-```
- Edit `src/Makefile.am` now so that `-no-undefined` is included (I did this by removing the SYS_MINGW conditional surrounding `libsim_la_LDFLAGS += -no-undefined` and `libsimulavr_la_LDFLAGS += -no-undefined \ libsimulavr_la_LIBADD += $(TCL_LIB)`. Also, `$(EXEEXT)` is added after `kbdgentables` in two places.
-
-```
-$ make
-$ make install
-```
-
-
-TODO:
-- git repos for all sources
-- command line magic for cygwin setup
-- better options for `dfu-drivers`
diff --git a/keyboard/planck/PCB_GUIDE.md b/keyboard/planck/PCB_GUIDE.md
deleted file mode 100644
index b36d8fb64c..0000000000
--- a/keyboard/planck/PCB_GUIDE.md
+++ /dev/null
@@ -1,151 +0,0 @@
-# Planck Firmware Guide
-
-## Setting up the environment
-
-### Windows
-1. Install [MHV AVR Tools](https://infernoembedded.com/sites/default/files/project/MHV_AVR_Tools_20131101.exe). Disable smatch, but **be sure to leave the option to add the tools to the PATH checked**.
-2. Install [MinGW](https://sourceforge.net/projects/mingw/files/Installer/mingw-get-setup.exe/download). During installation, uncheck the option to install a graphical user interface. **DO NOT change the default installation folder.** The scripts depend on the default location.
-3. Clone this repository. [This link will download it as a zip file, which you'll need to extract.](https://github.com/jackhumbert/qmk_firmware/archive/master.zip) Open the extracted folder in Windows Explorer.
-4. Right-click on the 1-setup-path-win batch script, select "Run as administrator", and accept the User Account Control prompt. Press the spacebar to dismiss the success message in the command prompt that pops up.
-5. Right-click on the 2-setup-environment-win batch script, select "Run as administrator", and accept the User Account Control prompt. This part may take a couple of minutes, and you'll need to approve a driver installation, but once it finishes, your environment is complete!
-
-
-### Mac
-
-If you're using homebrew, you can use the following commands:
-
- brew tap osx-cross/avr
- brew install avr-libc
- brew install dfu-programmer
-
-Otherwise, these instructions will work:
-
-1. Install Xcode from the App Store.
-2. Install the Command Line Tools from `Xcode->Preferences->Downloads`.
-3. Install [DFU-Programmer][dfu-prog].
-
-### Linux
-1. Install AVR GCC with your favorite package manager.
-2. Install [DFU-Programmer][dfu-prog].
-
-Note that, since it will be directly accessing USB hardware, the
-`dfu-programmer` program needs to be run as root.
-
-## Verify Your Installation
-1. Clone the following repository: https://github.com/jackhumbert/qmk_firmware
-2. Open a Terminal and `cd` into `qmk_firmware/keyboard/planck`
-3. Run `make`. This should output a lot of information about the build process.
-
-## Using the built-in functions
-
-Here is a list of some of the functions available from the command line:
-
-* `make clean`: clean the environment - may be required in-between builds
-* `make`: compile the code
-* `make KEYMAP=<keymap>`: compile with the extended keymap file `extended_keymaps/extended_keymap_<keymap>.c`
-* `make dfu`: build and flash the layout to the PCB
-* `make dfu-force`: build and force-flash the layout to the PCB (may be require for first flash)
-
-Generally, the instructions to flash the PCB are as follows:
-
-1. Make changes to the appropriate keymap file
-2. Save the file
-3. `make clean`
-4. Press the reset button on the PCB/press the key with the `RESET` keycode
-5. `make <arguments> dfu` - use the necessary `KEYMAP=<keymap>` and/or `COMMON=true` arguments here.
-
-## Troubleshooting
-If you see something like this
-
- 0 [main] sh 13384 sync_with_child: child 9716(0x178) died before initialization with status code 0xC0000142
- 440 [main] sh 13384 sync_with_child: *** child state waiting for longjmp
- /usr/bin/sh: fork: Resource temporarily unavailable
-
-after running 'make' on Windows than you are encountering a very popular issue with WinAVR on Windows 8.1 and 10.
-You can easily fix this problem by replacing msys-1.0.dll in WinAVR/utils/bin with [this one](http://www.madwizard.org/download/electronics/msys-1.0-vista64.zip).
-Restart your system and everything should work fine!
-
-
-If you see this
-
- dfu-programmer atmega32u4 erase
- process_begin: CreateProcess(NULL, dfu-programmer atmega32u4 erase, ...) failed.
- make (e=2): The system cannot find the file specified.
- make: *** [dfu] Error 2
-
-when trying to 'make dfu' on Windows you need to copy the dfu-programmer.exe to qmk_firmware/keyboard/planck.
-
-
-## Quantum MK Firmware
-
-### Keymap
-
-Unlike the other keymaps, prefixing the keycodes with `KC_` is required. A full list of the keycodes is available [here](https://github.com/jackhumbert/qmk_firmware/blob/master/tmk_core/doc/keycode.txt). For the keycodes available only in the extended keymap, see this [header file](https://github.com/jackhumbert/qmk_firmware/blob/master/quantum/keymap_common.h).
-
-You can use modifiers with keycodes like this:
-
- LCTL(KC_C)
-
-Which will generate Ctrl+c. These are daisy-chainable, meaning you can do things like:
-
- LCTL(LALT(KC_C))
-
-That will generate Ctrl+Alt+c. The entire list of these functions is here:
-
-* `LCTL()`: Left control
-* `LSFT()` / `S()`: Left shift
-* `LALT()`: Left alt/opt
-* `LGUI()`: Left win/cmd
-* `RCTL()`: Right control
-* `RSFT()`: Right shift
-* `RALT()`: Right alt/opt
-* `RGUI()`: Right win/cmd
-
-`S(KC_1)`-like entries are useful in writing keymaps for the Planck.
-
-### Other keycodes
-
-A number of other keycodes have been added that you may find useful:
-
-* `CM_<key>`: the Colemak equivalent of a key (in place of `KC_<key>`), when using Colemak in software (`CM_O` generates `KC_SCLN`)
-* `RESET`: jump to bootloader for flashing (same as press the reset button)
-* `BL_STEP`: step through the backlight brightnesses
-* `BL_<0-15>`: set backlight brightness to 0-15
-* `BL_DEC`: lower the backlight brightness
-* `BL_INC`: raise the backlight brightness
-* `BL_TOGG`: toggle the backlight on/off
-
-### Function layers
-
-The extended keymap extends the number of function layers from 32 to the near-infinite value of 256. Rather than using `FN<num>` notation (still available, but limited to `FN0`-`FN31`), you can use the `FUNC(<num>)` notation. `F(<num>)` is a shortcut for this.
-
-The function actions are unchanged, and you can see the full list of them [here](https://github.com/jackhumbert/tmk_keyboard/blob/master/common/action_code.h). They are explained in detail [here](https://github.com/jackhumbert/tmk_keyboard/blob/master/doc/keymap.md#2-action).
-
-### Macros
-
-Macros have been setup in the `keymaps/keymap_default.c` file so that you can use `M(<num>)` to access a macro in the `action_get_macro` section on your keymap. The switch/case structure you see here is required, and is setup for `M(0)` - you'll need to copy and paste the code to look like this (e.g. to support `M(3)`):
-
- switch(id) {
- case 0:
- return MACRODOWN(TYPE(KC_A), END);
- break;
- case 1:
- return MACRODOWN(TYPE(KC_B), END);
- break;
- case 2:
- return MACRODOWN(TYPE(KC_C), END);
- break;
- case 3:
- return MACRODOWN(TYPE(KC_D), END);
- break;
- }
- return MACRO_NONE;
-
-`MACRODOWN()` is a shortcut for `(record->event.pressed ? MACRO(__VA_ARGS__) : MACRO_NONE)` which tells the macro to execute when the key is pressed. Without this, the macro will be executed on both the down and up stroke.
-
-[cygwin]: https://www.cygwin.com/
-[mingw]: http://www.mingw.org/
-[mhv]: https://infernoembedded.com/products/avr-tools
-[winavr]: http://winavr.sourceforge.net/
-[crosspack]: http://www.obdev.at/products/crosspack/index.html
-[dfu-prog]: http://dfu-programmer.sourceforge.net/
diff --git a/keyboard/planck/flash-pcb.sh b/keyboard/planck/flash-pcb.sh
deleted file mode 100755
index 2ae15458c0..0000000000
--- a/keyboard/planck/flash-pcb.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-dfu-programmer atmega32u4 erase --force
-dfu-programmer atmega32u4 flash planck_pcb.hex
-dfu-programmer atmega32u4 reset \ No newline at end of file