Latest revision as of 15:40, 18 February 2022

Mes petites bidouilles avec l'armadeus

Trucs

Python en environnement virtuel

Un pense bète pour installer la version voulue de python en environnement virtuel avec virtualenv:

virtualenv et autre tkinter

apt-get install python-tk python3-tk tk-dev
apt-get install python-virtualenv

Python 3.7.4

sudo apt-get install libffi-dev
wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tar.xz
tar -Jxvf Python-3.7.4.tar.xz
cd Python-3.7.4
./configure --enable-shared
make
sudo make install
sudo ldconfig /usr/local/lib

virtualenv

Virtual env configuration:

apt-get install python-virtualenv
mkdir virtenv
cd virtenv
virtualenv --python=/usr/local/bin/python3.7 envp37

enum bug fix:

cd ~/virtenv/envp37/lib/python3.7
ln -s /usr/local/lib/python3.7/enum.py

Activation:

source /home/armadeus/virtenv/envp37/bin/activate

Desactivation:

deactivate

Peripheral On Demand

Specification feedback

Participation à la documentation ArmadeuS Project

Using FPGA

A simple design with Wishbone bus

How to use kernel 2.6.38.x on APF27

Trash

Projets

Camera C38A with chip ov7620
Camera omnivision VC21CC1
Robotic
Compteur d'énergie électrique
OOCP (Only One Cable Project)
Use MySQL-client on apf9328
Light-APF27Dev project

Liens utiles

Projets sourceforge
Site entreprise
Les codes de retour d'erreurs : http://www.opengroup.org/onlinepubs/007908799/xsh/errno.h.html
Buildroot_Packages
Un papier très intéressant d'un développeur de jeux vidéo prônant l'utilisation du C++ ... pour le web. Notamment grâce à l'utilisation de emscripten qui permet de compiler du C++ vers le javascript (HTML5).

Somes usefull tricks

press a button

Here, function to «press enter to continue» on apf in different languages :

setbit /proc/driver/gpio/portFmode 13 1 # set pin as gpio
setbit /proc/driver/gpio/portFdir 13 0  # set pin as input
setbit /proc/driver/gpio/portFirq 13 1  # irq on rising edge

/usr/bin/testsuite/testbutton /dev/gpio/PF13 3

With testbutton program comming from target/linux/modules/fpga/wishbone_example/wb_button. Type «make» in this directory to compile it.

Logging with timestamps in seconds

#!/bin/sh
while true
do
LIGHT=$(cat /sys/class/hwmon/hwmon0/device/in3_input)
TIME=$(date +%s)
echo $TIME", sec, "$LIGHT", mV," >> log;
sleep 2
done

Press enter to continue

C

#include <stdio.h>

void pressEnterToContinue(void)
{
    printf("Press enter to continue\n");
    getc(stdin);//XXX 
    while( getc(stdin) != '\n') ; 
}

C++

#include <stdio.h> //XXX
#include <iostream>

void pressEnterToContinue(void)
{
    cout << "Press enter to continue" << endl;
    getc(stdin); //XXX
    std::cin.ignore( std::numeric_limits <std::streamsize> ::max(), '\n' );
}

Python 2

def pressEnterToContinue():
    print "Press enter to continue"
    raw_input()

Python 3

def pressEnterToContinue():
    print("Press enter to continue")
    input()

Kernel Driver

bac à sable

Wavedrom

If wavedrom plugin is installed on this wiki, we can see a beautiful waves bellow :

Blog

2022_02_18_Container_docker_pour_vieux_BSP

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