| (defun b2int (bitvector) | |
| "Convert a binary string into an integer." | |
| (reduce #'(lambda (first second) | |
| (+ (* 2 first) second)) | |
| bitvector)) | |
| (defun concat-bits (b1 b2) | |
| "Convenience function to concatenate bit vectors." | |
| (concatenate 'bit-vector b1 b2)) |
| /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- */ | |
| /* Pinmux setting working in conjuction with the universal cape */ | |
| /* [[ | |
| * Comments in here in [[ double square brackets ]] are meta comments useful | |
| * while working on a review of this API. | |
| * | |
| * Note, this _only_ addresses pinmux configuration, not anything how to write | |
| * or read bits on GPIOs etc. This is left up to the application (I usually just | |
| * memory map the proper regions in code or PRU, but there are many different |
| %!PS-Adobe-3.0 | |
| %%BoundingBox: 0 0 400 300 | |
| /mm { 72 25.4 div mul } bind def | |
| /radius 53 mm def | |
| /height 5 mm def | |
| /angle 120 def | |
| /offset 20 mm def |
| // -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil; -*- | |
| // | |
| // Quick hack based on ffmpeg | |
| // tutorial http://dranger.com/ffmpeg/tutorial01.html | |
| // in turn based on a tutorial by | |
| // Martin Bohme ([email protected]) | |
| // Build with | |
| // g++ -Wall -O3 -g video-viewer.o -o video-viewer -L../lib -lrgbmatrix -lrt -lm -lpthread `pkg-config --cflags --libs libavcodec libavformat libswscale libavutil` | |
| // Ancient AV versions forgot to set this. |
| /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*- | |
| Compile in rpi-rgb-led-matrix directory. | |
| make # compile library | |
| g++ -Wall -O3 -g -Iinclude simple-udp.cc -o simple-udp -Llib -lrgbmatrix -lrt -lm -lpthread | |
| */ | |
| #include "led-matrix.h" | |
| #include <arpa/inet.h> |
| /* simplification to narrow down the format problems */ | |
| /* | |
| * Compiled and run (you might need to adapt include directories) | |
| g++ -Wall -o format-test -isystem /usr/lib/x86_64-linux-gnu/wx/include/gtk2-unicode-3.0 -isystem /usr/include/wx-3.0 -D__WXGTK__ format-test.cpp -L/usr/lib/x86_64-linux-gnu/ -lwx_baseu-3.0 && ./format-test | |
| */ | |
| #include <stdio.h> | |
| #include <wx/string.h> |