Valentin Dudouyt vdudouyt

vdudouyt / client.c

Last active February 28, 2021 14:21

USB bulk device example with libopencm3 & libusb-1.0

	#include <libusb.h>
	#include <assert.h>
	#include <stdio.h>
	#include <string.h>

	int main()
	{
	libusb_init(NULL);
	libusb_device_handle *handle;
	assert(handle = libusb_open_device_with_vid_pid(NULL, 0x0483, 0x5740));

vdudouyt / Makefile.libopencm3

Created June 9, 2017 01:54

Sample makefile for libopencm3 project

	PREFIX=/usr/bin/arm-none-eabi
	CC=gcc
	OBJCOPY=objcopy
	TARGET=STM32F3
	STFLASH=st-flash

	%.o: %.c
	$(PREFIX)-$(CC) -O0 -Wextra -Wshadow -Wimplicit-function-declaration -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes -fno-common -ffunction-sections -fdata-sections -MD -Wall -Wundef -I../third-party/libopencm3/include -D$(TARGET) -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -gdwarf-2 -g3 -o $@ -c $<

	%.elf: %.o

vdudouyt / stab.sh

Created June 1, 2017 10:25

	#!/bin/bash

	FFMPEG=~/bin/ffmpeg/ffmpeg
	FILE=$1
	$FFMPEG -threads 0 -i $FILE -vf vidstabdetect=stepsize=6:shakiness=10:accuracy=15:result=$FILE.trf -f null -
	$FFMPEG -threads 0 -i $FILE -vf vidstabtransform=input=$FILE.trf:smoothing=30 -c:v libx264 -preset slow -crf 22 -c:a aac -b:a 256k $FILE.stab.mp4

vdudouyt / jsnprintf.c

Last active July 7, 2024 23:13

A small and idiomatic plain C library for composing JSON strings

	#include <stdio.h>
	#include <string.h>
	#include <stdarg.h>

	/* Composes a string accordingly to format with correctly escaping JSON literals.
	* Correctly fails when runs up of output buffer space.
	* Replaces all occurences of ' with " in format string for convenience.
	* Terminates a string with '\0'.
	* Format specifiers:
	* %% - literally '%'

vdudouyt / canonicalize.c

Last active November 19, 2016 07:20

	/* Canonicalize virtual path
	* License: public domain
	*/

	void canonicalize(const char path, char output) {
	do {
	while(path[0] == '/') path++;
	char *chunk_end = strchr(path, '/');
	int chunk_length = chunk_end ? chunk_end - path : strlen(path);

vdudouyt / mgf1.c

Created November 9, 2016 07:13

	/*
	* @seed: 20 bytes
	* @result: 120 bytes (but use first 107 bytes only)
	*/

	int mgf1(char seed, BYTE result)
	{
	int hlen = 20;
	int length = 127 - hlen;
	int i, d = 0;

vdudouyt / gtkhotkey.c

Created January 19, 2016 07:22

	#include <stdio.h>
	#include <gtkhotkey.h>

	void hotkey_activated_callback (GtkHotkeyInfo hotkey, guint event_time, void data)
	{
	g_message("activated");
	}

	int main(int argc, char **argv)
	{

vdudouyt / ftdi_testlogic.c

Last active August 29, 2015 14:26

vdudouyt / dissect.hs

Created February 10, 2015 17:04

	dissect :: (Data a, Data d) => a -> [(String, Maybe d)]
	dissect a = zip (constrFields $ toConstr a) (gmapQ cast a)

vdudouyt / dynamic_methods.cpp

Created November 18, 2014 06:45