https://yannik520.github.io/sdio.html

http://elm-chan.org/docs/mmc/mmc_e.html

Reading and writing to a single sector on an SD card with a PIC microcontroller

Example terminal program

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apt-get install freeglut3-dev libstdc++

gcc 'plt_view.c' -lGLU -lGL -lglut -lm

Move FLAGS Eclipse

Move FLAGS in Eclipse to the end of line
${COMMAND} ${OUTPUT_FLAG} ${OUTPUT_PREFIX}${OUTPUT} ${INPUTS} ${FLAGS}

Add library path to Eclipse

error while loading shared libraries

Menu Library

Note that the project is not maintained anymore.
AntTweakBar

AntTweakBar

AntTweakBar

Tutorial
User Interface with Ant Tweak Bar

Maybe for next version

Nuklear

NanoGUI
Blendish for C
Interesting toolkit c++
MinGfx Toolkit

GLFW Getting started

Template3D

Point in polygon
Line–line intersection

Delete overlapping objects

How to know if a point is inside a circle?
Check if a circle is contained in another circle
Is a circle inside a polygon?

Resize objects

resizing the shape

Vzdálenost bodu od přímky
Normálový vektor přímky

the general form equation of a line from two points

How can I find the general form equation of a line from two points?
Obecná rovnice přímky
Jak určit obecnou rovnici přímky určené dvěma body
Two vectors are in the same direction if?
Scalar Multiplication of Vectors: Definition & Calculations
How to Find the Angle Between Two Vectors
Calculate a point on the line at a specific distance
Funkce cosinus

Distance from a point to a line
Midpoint circle algorithm

An Efficient Way to Draw Approximate Circles in OpenGL

Line Intersecting Circle

How do I calculate the intersection(s) of a straight line and a circle?
Circle line-segment collision detection algorithm?
Intersection of a Line and a Circle
Line Intersecting Circle at Two Points
Circle-Line Intersection
Intersection of circle and a line
Find the Points of Intersection of a Circle with a Line
Circle-Line Intersection

Picking Objects OpenGL

Picking with a physics library
Picking with custom Ray-OBB function
Picking and Using Selection
Picking with an OpenGL hack
Mouse picking with OpenGL
OpenGL Picking Tutorial

Crop objects

Check if a point belongs on a line segment

Load data from file

Vektorový grafický formát HPGL
Vektorový grafický formát DXF

http://lx-viewer.sourceforge.net/download.php

Translate DXF to GCode

https://github.com/SebKuzminsky/pycam

https://sourceforge.net/projects/dxf2gcode/

http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Cam

Image to GCode

http://linuxcnc.org/docs/2.1/html/gui/image-to-gcode/index.html

Python on Windows

https://wiki.python.org/moin/WindowsCompilers#Microsoft_Visual_C.2B-.2B-_10.0_standalone:_Windows_SDK_7.1_.28x86.2C_x64.2C_ia64.29

https://stackoverflow.com/questions/2817869/error-unable-to-find-vcvarsall-bat

Problem with gputils v1.5.x

When building with SDCC, v1.5.x outputs non-printable chars in the COFF file which causes MPLABX to fail loading the resulting binary.
Bad chars in COFF file

Compile SDCC

Need to be done for Debian, because Debian package doesn’t contain PIC part of compiler.

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apt-get install libboost-dev zlib1g-dev bison flex texinfo autoconf
./configure --disable-mcs51-port --disable-z80-port --disable-z180-port --disable-r2k-port --disable-r3ka-port --disable-gbz80-port --disable-tlcs90-port --disable-ds390-port --disable-ds400-port --disable-hc08-port --disable-s08-port --disable-stm8-port
v4
./configure --disable-mcs51-port --disable-z80-port --disable-z180-port --disable-r2k-port --disable-r3ka-port --disable-gbz80-port --disable-tlcs90-port --disable-ds390-port --disable-ds400-port --disable-hc08-port --disable-s08-port --disable-stm8-port -disable-pdk15-port -disable-pdk13-port -disable-pdk14-port -disable-ez80_z80-port
make
su
make install

Doing Without Hardware Multiply and Divide

Low-Pass Filter a PWM Signal into an Analog Voltage
Using PWM Output as a Digital-to-Analog
Arduino’s AnalogWrite – Converting PWM to a Voltage
RC Low-pass Filter Design for PWM

ANALOG OUTPUT - CONVERT PWM TO VOLTAGE

Library with buffer

A simple graphics library
Description of library and connection to ST7565

https://community.st.com/thread/39461-stm32cubemx-fsmc-configuration
https://stackoverflow.com/questions/36748271/stm32f4-fsmc-with-tft-lcd
https://github.com/hampussandberg/HexConnect/wiki/LCD-ER_TFTM070_5
https://electronics.stackexchange.com/questions/246010/ssd1289-fsmc-interfacing-using-cubemx-for-stm32f4-discovery
https://vjordan.info/log/fpga/stm32f4-generating-parallel-signals-with-the-fsmc.html
http://www.stm32duino.com/viewtopic.php?t=2298&start=10
http://www.st.com/en/evaluation-tools/32f723ediscovery.html
http://www.bdtic.com/en/st/stsw-stm32016
https://github.com/zootboy/micro/tree/master/stm32/FSMC_LCD