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License: GNU General Public License v2.0
This project forked from odeke-em/chdkptp
License: GNU General Public License v2.0
=Introduction= chdkptp is a tool to access the custom PTP extension of the CHDK firmware addon for canon cameras. This is an alpha version - protocol, functionality, APIs, commands, command line options are all subject to change. Source is available from http://subversion.assembla.com/svn/chdkptp/ Binary snapshot builds are available from http://www.assembla.com/spaces/chdkptp/documents Roadmap is under development in http://www.assembla.com/spaces/chdkptp/tickets Changelog is at http://www.assembla.com/wiki/show/chdkptp/Changelog This README is primarily intended for developers. Documentation for end users can be found in USAGE.TXT Installation information can be found in INSTALL.TXT Information about the Raspberry pi binary builds can be found in README-RASPI.TXT For information about CHDK, see http://chdk.wikia.com/wiki/CHDK For information about the CHDK PTP extension, see http://chdk.wikia.com/wiki/PTP_Extension chdkptp is forked from libptp and ptpcam, as modified by mweerden, the chdkde project developers and others. All source is released under GPL or MIT licenses The original ptpcam source, written by Mariusz Woloszyn < emsi[A@T]ipartners.pl > is available from http://libptp.sourceforge.net/ mweerdens modified version can be found at https://github.com/mweerden/CHDK/tree/ptp the CHDKDE ptpcam source may be found at http://tools.assembla.com/chdkde/browser/trunk/tools/ptpcam chdkptp includes software from several other projects, see THANKS.TXT for details. =Dependencies= - IUP version 3.10.1 http://www.tecgraf.puc-rio.br/iup/ (earlier 3.x versions may also work) Optional, edit config.mk to build without IUP GUI support - CD Version 5.7 http://www.tecgraf.puc-rio.br/cd/ (earlier 5.x versions may also work) Optional, used for remote display - Lua version 5.2 http://www.lua.org/ chdkptp no longer supports Lua 5.1, although it may work - LibUSB (libusb-win32 on windows) - GNU readline Optional, recommended on Linux =Windows development environment= Mingw with gcc 4.8+ is the primary development environment. All instructions below assume you are using this. Using a mingw bash shell for development is suggested. ==Installing mingw== http://www.mingw.org/ Download the gui installer. Install at least mingw C compiler. C++ support is required to use CD "context plus", not required or used by default. Msys is suggested, and may be required ==Installing IUP libraries== Get the mingw4 binary package of IUP, http://sourceforge.net/projects/iup/files/ Note, this package has the libraries in the root, with etc/ and include/ subdirectories. You may want to put the libraries in /lib to match the IUP recommended filesystem layout The examples and win32 binaries are not required, but may be helpful ==Installing CD libraries== Similar to IUP, from http://sourceforge.net/projects/canvasdraw/files/ ==Installing and building Lua== Get the lua 5.2.x source from http://www.lua.org/download.html In a msys shell, go to the lua directory and type make mingw make local NOTE: it's very important that Lua be linked to exactly the same C runtime library as chdkptp itself. The lbuf file routines expect to be able to fread and fwrite on a FILE * opened by lua io.open() This condition probably won't be met if you use a pre-compiled Lua dll on windows. It's probably OK with a shared lua in typical linux environments. If in doubt, build your own Lua with the same compiler you build chdkptp with. ==Installing LibUSB development package== TODO describe filter driver installation http://sourceforge.net/projects/libusb-win32/files/libusb-win32-releases/1.2.4.0/ libusb-win32-bin-1.2.4.0.zip Unzip somewhere convenient Some earlier and later versions will also probably work =Linux development environment= The following is based on Ubuntu 10.04, 64 bit. YMMV Install the following packages and any required dependencies libusb-1.0-0 libusb-dev (may be called libusb-1.0-dev ?) Lua Packages will be called something like liblua5.2-dev liblua5.2 Alternately, you may download and build your own. This is suggested if you are building IUP and CD from source. GNU readline You need the development package, probably called something like libreadline6-dev or something like that IUP - using precompiled binaries Download the appropriate IUP library for your platform from http://www.tecgraf.puc-rio.br/iup/ unpack the package adjust the IUP_LIB_DIR and IUP_INCLUDE_DIR in config.mk You will also need a fully working gcc environment. CD - similar to IUP ==Building IUP and CD== If available, using pre-compiled libraries is suggested, but if you want to build from source some notes can be found in README-RASPI-LIBS.TXT =Configuring the source (all platforms)= Edit config.mk to reflect the installation directories of the above packages and desired compile time options See config-sample-*.mk for examples ==Mac development== See README-OSX.TXT =Building= make On windows, link occasionally fails with something like /mingw/bin/../lib/gcc/mingw32/4.8.1/../../../../mingw32/bin/ld.exe: reopening chdkptp.exe: Permission denied Rebuilding seems to work around the problem =Testing your build= To test some internal functions use chdkptp -e"exec require'tests':runall()" note, this should be run from the same directory as the CHDKPTP executable This will create (or overwrite) a file called lbuftest.dat in the current directory, and delete it when the test completes. To test functions that connect to the camera, use chdkptp -e"exec require'camtests'.runbatch{bench=true,filexfer=true}" If more than one camera is connected to the system, a random one will be used unless you also specify devspec={dev="device name",bus="bus id"} The filexfer tests will create and delete a local directory called camtests in the current working directory. If you already have a directory of this name, it will be deleted when the test completes. Camtests will also create and delete some files and directories on the camera. The final line of output from both test modules should be failed 0 For for vesions prior to r562, camtests shoud be invoked with chdkptp -e"exec require'camtests'.runstd()" None of the above is a comprehensive test of chdkptp functionality. =Running= See USAGE.TXT
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