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The recommended packet size is 256 bytes, which matches the maximal amount of data that can be read back from the internal memory chip. Larger requests are split by the firmware into multiple blocks of maximum 256 bytes. Note that initially, we already used 256 byte packets for the newer models, but it seems this was accidentally changed to only 64 bytes in commit ad0e187c0c932121efa50763afc02771633cbd61. The main benefit of this change is a simplification of the code, because now there is no longer a difference between the Icon HD and Matrix variant of the protocol.
Overview ======== Libdivecomputer is a cross-platform and open source library for communication with dive computers from various manufacturers. The official web site is: http://www.libdivecomputer.org/ The sourceforge project page is: http://sourceforge.net/projects/libdivecomputer/ Installation ============ On UNIX-like systems (including Linux, Mac OS X, MinGW), use the autotools based build system. Run the following commands from the top directory (containing this file) to configure, build and install the library and utilities: $ ./configure $ make $ make install If you downloaded the libdivecomputer source code directly from the git source code repository, then you need to create the configure script as the first step: $ autoreconf --install To uninstall libdivecomputer again, run: $ make uninstall Support ======= Please send bug reports, feedback or questions to the mailing list: http://libdivecomputer.org/cgi-bin/mailman/listinfo/devel or contact me directly: jef@libdivecomputer.org License ======= Libdivecomputer is free software, released under the terms of the GNU Lesser General Public License (LGPL). You can find a copy of the license in the file COPYING.