Cygwin Based Users Guide v0.4 -corrections/dfu build
yoyoerx
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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.
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This guide was written step by step as I went through the process on a `Windows 10` `x86_64` based system. This should be generally applicable to to any `Windows` environment with `cygwin`.
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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`.
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#####Do not skip steps. Do not move past a step until the previous step finishes successfully.
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@ -18,14 +18,16 @@ Download the `cygwin` setup ([x86_64](https://cygwin.com/setup-x86_64.exe)) and
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- devel/gcc-g++
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- devel/flex
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- devel/git
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- libs/libglib2.0_0
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- devel/bison
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- devel/make
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- libs/libgcc1
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- interpreters/m4
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- web/wget
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- archive/unzip
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The following sources will be required:
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- [gmp](https://gmplib.org/) (6.1.0)
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- [mpfr](http://www.mpfr.org/) (3.1.3)
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- [mpfr](http://www.mpfr.org/) (3.1.4)
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- [mpc](http://www.multiprecision.org/) (1.0.3)
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- [binutils](https://www.sourceware.org/binutils/) (2.26)
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- [gcc](https://gcc.gnu.org/) (5.3.0)
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@ -38,17 +40,18 @@ The `dfu-programmer` will be required to flash the new firmware
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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
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```
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$ mkdir ~/local
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$ mkdir ~/local/avr
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$ mkdir ~/src
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$ cd ~/src
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$ wget https://gmplib.org/download/gmp/gmp-6.1.0.tar.bz2
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$ wget http://www.mpfr.org/mpfr-current/mpfr-3.1.3.tar.bz2
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$ wget http://www.mpfr.org/mpfr-3.1.4/mpfr-3.1.4.tar.bz2
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$ wget ftp://ftp.gnu.org/gnu/mpc/mpc-1.0.3.tar.gz
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$ wget http://ftp.gnu.org/gnu/binutils/binutils-2.26.tar.gz
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$ wget http://mirror0.babylon.network/gcc/releases/gcc-5.3.0/gcc-5.3.0.tar.gz
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$ wget http://download.savannah.gnu.org/releases/avr-libc/avr-libc-2.0.0.tar.bz2
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$ tar -xjf gmp-6.1.0.tar.bz2
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$ tar -xjf mpfr-3.1.3.tar.bz2
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$ tar -xjf mpfr-3.1.4.tar.bz2
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$ tar -zxf mpc-1.0.3.tar.gz
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$ tar -zxf binutils-2.26.tar.gz
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$ tar -zxf gcc-5.3.0.tar.gz
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@ -79,7 +82,7 @@ $ make install
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###Build and Install `mpfr`
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```
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$ cd ~/src/mpfr-3.1.3
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$ cd ~/src/mpfr-3.1.4
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$ ./configure --with-gmp-build=../gmp-6.1.0 --enable-static --disable-shared
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$ make
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$ make check
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@ -96,7 +99,8 @@ $ make install
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```
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##OPTIONAL Part
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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). I would skip it.
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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).
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###Build and Install `gcc` on your Machine
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```
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$ cd ~/src/gcc-5.3.0
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@ -141,7 +145,7 @@ $ make
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$ make install
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```
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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`.
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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`.
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###Build `avr-libc` for AVR
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```
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@ -151,13 +155,34 @@ $ make
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$ make install
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```
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##Install `dfu-programmer`
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To install the `dfu-programmer`, we must get if from [their website](https://dfu-programmer.github.io/) (no fancy command line tricks here, but [this](http://iweb.dl.sourceforge.net/project/dfu-programmer/dfu-programmer/0.7.2/dfu-programmer-win-0.7.2.zip) might work).
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Copy this file into your `cygwin` home directory. (For me, it is `C:\cygwin64\home\Kevin`), 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/dfu-prog-usb-1.2.2/x86/` to a directory in the `Windows` `PATH` and the `cygwin` `PATH`. I achieved this by moving the files with Windows Explorer (you know, click and drag...) to `C:\cygwin64\home\Kevin\local\avr\bin` Then, in a `WINDOWS` command prompt running:
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### Build and Install the `dfu-programmer`
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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.
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The `dfu-programmer` requires `libusb`. So let's go ahead and build that first.
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```
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C:\> set PATH=%PATH%;C:\cygwin64\home\Kevin\local\avr\bin
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$ cd ~/src
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$ git clone https://github.com/libusb/libusb.git
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$ cd libusb
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$ ./bootstrap.sh
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$ ./configure --prefix=$PREFIX
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$ make
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$ make install
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```
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Adjust your path (for username) as needed. Also, `libusb0_x86.dll` needs to be renamed to `libusb0.dll`. Why must this be so hard? You can tell that you were successful this way:
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Next, we can build the `dfu-programmer`. This should be quick.
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```
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$ cd ~/src
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$ git clone https://github.com/dfu-programmer/dfu-programmer.git
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$ cd dfu-programmer
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$ ./bootstrap.sh
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$ ./configure --prefix=$PREFIX
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$ make
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$ make install
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```
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Verify the installation with:
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```
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$ which dfu-programmer
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/home/Kevin/local/avr/bin/dfu-programmer
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@ -169,14 +194,22 @@ Type 'dfu-programmer --help' for a list of commands
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'dfu-programmer --targets' to list supported target devices
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```
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If you are not getting the above result, you will not be able to flash the firmware!
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- Try making sure your `PATH` variables are set correctly for both `Windows` and `cygwin`.
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- Do not extract it with `cygwin`'s `unzip` as it does not set the executable permissions correctly. If you did it anyway, do `chmod 755 dfu-programmer.exe`
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####Install the USB drivers
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These drivers are included in the `dfu-programmer` 0.7.2 (but you can get newer ones [here](http://iweb.dl.sourceforge.net/project/libusb-win32/libusb-win32-releases/1.2.6.0/libusb-win32-bin-1.2.6.0.zip)) and allow the `dfu-programmer` to program the firmware. From an **administrator-privileged** `Windows` terminal, run the following command (adjust the path as necessary) and accept the prompt that pops up:
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###Install the USB drivers
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The official Atmel 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) and allow the `dfu-programmer` to program the firmware.
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```
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C:\> pnputil -i -a C:\cygwin64\home\Kevin\dfu-prog-usb-1.2.2\atmel_usb_dfu.inf
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$ cd ~/src
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$ wget http://iweb.dl.sourceforge.net/project/dfu-programmer/dfu-programmer/0.7.2/dfu-programmer-win-0.7.2.zip
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$ unzip dfu-programmer-win-0.7.2.zip -d dfu-programmer-win-0.7.2
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```
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Then, from an **administrator-privileged** `Windows` terminal, run the following command (adjust the path for username as necessary) and accept the prompt that pops up:
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```
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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
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```
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This should be the result:
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```
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Microsoft PnP Utility
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@ -190,6 +223,8 @@ Published name : oem104.inf
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Total attempted: 1
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Number successfully imported: 1
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```
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Alternativly, 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.
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##Building and Flashing the Planck firmware!
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@ -235,3 +270,78 @@ $ make dfu
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.
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.
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profit!!!
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##extra bits...
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###Installing Precompiled `dfu-programmer` Binaries (Not recommended)
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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)).
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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`. I achieved this by moving the files with Windows Explorer (you know, click and drag...) to `C:\cygwin64\home\Kevin\local\avr\bin` Then, in a `WINDOWS` command prompt running:
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```
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C:\> set PATH=%PATH%;C:\cygwin64\home\Kevin\local\avr\bin
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```
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Adjust your path (for username) as needed.
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Then, rename `libusb0_x86.dll` to `libusb0.dll`.
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You can tell that you were successful by trying to execute 'dfu-programmer' from the 'cygwin' prompt:
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```
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$ which dfu-programmer
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/home/Kevin/local/avr/bin/dfu-programmer
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$ dfu-programmer
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dfu-programmer 0.7.2
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https://github.com/dfu-programmer/dfu-programmer
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Type 'dfu-programmer --help' for a list of commands
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'dfu-programmer --targets' to list supported target devices
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```
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If you are not getting the above result, you will not be able to flash the firmware!
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- Try making sure your `PATH` variables are set correctly for both `Windows` and `cygwin`.
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- Make sure the `dll` is named correctly.
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- 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`.
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##Debugging Tools
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These tools are for debugging your firmware, etc. before flashing. Theoretically, it can save your flash memory from wearing out. However, these tool do not work 100% for the Planck firmware.
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### `gdb` for AVR
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`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.
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```
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$ cd ~/src
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$ git clone git://sourceware.org/git/binutils-gdb.git
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$ cd binutils-gdb
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$ ./bootstrap
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$ mkdir obj-avr
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$ cd obj-avr
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$ ../configure --prefix=$PREFIX --target=avr --build=x86_64-unknown-cygwin --with-gmp=/usr/local --with-mpfr=/usr/local --with-mpc=/usr/local --disable-nls --enable-static
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$ make
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$ make install
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```
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### `simulavr`
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`simulavr` is an AVR simulator. It runs the complied AVR elf's. `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.
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This one is a major pain in the butt because it has a lot of dependencies and it is almost always 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`.
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```
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$ cd ~/src
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$ git clone https://github.com/Traumflug/simulavr.git
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$ cd simulavr
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$ ./bootstrap
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$ ./configure --prefix=$PREFIX --enable-static --disable-tcl --disable-doxygen-doc
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```
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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.
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```
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$ make
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$ make install
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```
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