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by harryweb
Wed Oct 28, 2015 3:10 pm
Forum: Advanced users
Topic: latency scope measurment
Replies: 3
Views: 560

latency scope measurment

Hi, I have a program that receive from LAN some orders. Then my Rpi is making some calculation (not always the same) then changing GPIO values (0-1). It works fine BUT... Someone ask me how long does it take to change the GPIO value when order is received (at Rpi) Asking me to proove it with scope c...
by harryweb
Thu Mar 05, 2015 6:33 pm
Forum: Français
Topic: CH developpeur freelance
Replies: 0
Views: 341

CH developpeur freelance

Bonjour, Je suis électronicien et ne me débrouille pas encore assez bien avec le Raspberry et linux. J'ai pour projet de remplacer une carte électronique de ma conception à microcontroleurs par quelque chose d'un peu plus puissant à base de raspberry. Aussi je recherche un freelance pour développer ...
by harryweb
Mon Apr 28, 2014 3:10 pm
Forum: Python
Topic: socket server, many clients
Replies: 8
Views: 1479

Re: socket server, many clients

Thank you Ivan, launching 4 scripts seems to be a good Idea ! Now I can receive on 4 ports, from 4 clients, at the same time. may be you know some example to pick data received (this is ASCII) on 1 of the scripts to the main program ? I would like to make a master program with tkinter or LCD that di...
by harryweb
Mon Apr 28, 2014 2:24 pm
Forum: Python
Topic: socket server, many clients
Replies: 8
Views: 1479

Re: socket server, many clients

Hi Ivan,

It's a project to replace something working I wrote In PICBASIC PRO with a TIBBO. So I can not change things !

I can have four clients at the same time connected same IP but with dedicated ports (10001 to 10004)
If it can be done with a Tibbo I think it could be done with a RPi (?)

Regards
by harryweb
Mon Apr 28, 2014 1:22 pm
Forum: Python
Topic: socket server, many clients
Replies: 8
Views: 1479

socket server, many clients

Hi, I plan to use the raspberry pi as a server witch can be connected with TCPIP on 2 or more ports So I tried this code: import socket Host = '' Port1 = 10001 # Ports numbers Port2 = 10002 Sock1 = socket.socket(socket.AF_INET,socket.SOCK_STREAM) Sock2 = socket.socket(socket.AF_INET,socket.SOCK_STRE...
by harryweb
Thu Apr 24, 2014 1:52 pm
Forum: Python
Topic: rotate byte direction
Replies: 6
Views: 1067

Re: rotate byte direction

Thank you topguy,

But... As I'm a newbie, I don't know where to find the good formula from your link.
There are 32 bits, 64 bits etc...

I only use 1 byte...

Thnks for help
by harryweb
Thu Apr 24, 2014 1:22 pm
Forum: Python
Topic: rotate byte direction
Replies: 6
Views: 1067

rotate byte direction

HI, I'm using 74x595 shif register already on a pcb card. Unfortunately when I shiftout my value (eg 35) this is not the good direction. Q0 in place of Q7, Q1 in place of Q6 etc... 35 (my value) = (output shift register) 0 1 1 0 0 1 0 0 but I need the other direction: 35 (my value) = (output shift r...
by harryweb
Mon Sep 02, 2013 9:23 am
Forum: Français
Topic: lancement script python auto
Replies: 11
Views: 35595

lancement script python auto

Bonjour à tous, J'ai fais nombre de recherches et essais et je n'arrive toujours pas à lancer, après le démarrage LXDE, automatiquement mon petit scrip python qui s'appelle att.py et qui se trouve dans: home/pi/herve (il utilise quelques sons dans le même dossier "herve") Ce prog fonctionne normalem...
by harryweb
Thu Apr 04, 2013 6:31 pm
Forum: Python
Topic: Python3, Tkinter, touch screen
Replies: 3
Views: 3900

Re: Python3, Tkinter, touch screen

I'm using Tkinter and a touchscreen (http://www.chalk-elec.com/) it works fine with Tkinter (one click button) but have some pb with double click on desktop... Not so easy to launch apps...

Regards
by harryweb
Thu Apr 04, 2013 6:22 pm
Forum: Français
Topic: Utilisation en entreprise
Replies: 4
Views: 3006

Re: Utilisation en entreprise

Salut, Trouver un écran de petite taille n'est pas spécialement évident, surtout si tu le désires de qualité (pas un écran TV) et tactile.... J'ai acheté un 10" chez: http://www.chalk-elec.com/ Pas mal... mais pas évident à intégrer... proprement. et beaucoup de "filasses" Une intégration à base de ...
by harryweb
Fri Mar 15, 2013 7:18 pm
Forum: Other projects
Topic: What's the situation with DSi?
Replies: 31
Views: 23915

Re: What's the situation with DSi?

I guess once we have finished the camera stuff we can start looking at DSi.

Do you have an idea about when you will start looking at DSI ?
(days, weeks, month... ?)

Regards
by harryweb
Thu Mar 14, 2013 6:33 pm
Forum: General discussion
Topic: LCD / LVDS Interface for Raspberry Pi
Replies: 81
Views: 126599

Re: LCD / LVDS Interface for Raspberry Pi

Hi Jorabo,

It will be a great idea to tell us or give us what LCD panel are compatible (name, datasheet, where to find ... good reseller...)

For personnal or company information waiting for real cheap screen to plug for Raspberry

May be a site/blog... ?

Regards
by harryweb
Wed Mar 06, 2013 9:02 am
Forum: Français
Topic: Demarrage .PPS automatic au démarrage
Replies: 16
Views: 4511

Re: Demarrage .PPS automatic au démarrage

NON... Ce ne serait pas TROP facile..... :evil: regarder du côté de autostart sur ce forum ne servira pas à grand chose.... J'ai le même style de pb que jejeaudio et j'ai regardé TOUS les posts ou l'on parle de l'autostart... J'ai fais le tour des essais pour y arriver moi aussi.... Rien à faire ! J...
by harryweb
Tue Mar 05, 2013 6:24 pm
Forum: Python
Topic: How to read specific Ethernert port
Replies: 1
Views: 458

Re: How to read specific Ethernert port

The best way to begin, it's looking at your windows TCP connection... May be with TCPSPY ?

This is the way I began my python prog (for another device).

Look also at "sockets" in Python... easy to find many scripts.
by harryweb
Tue Mar 05, 2013 4:14 pm
Forum: General discussion
Topic: autostart python prog after startx GUI ?
Replies: 0
Views: 639

autostart python prog after startx GUI ?

Hi, I have a Rpi embedded with 10" LCD touchscreen (no mouse or keyboard) I would like my Python prog auto start when LXDE gui is ready. If I place my python prog on desktop and click it, it open IDLE.... so I must click "run module" and it is not so easy to launch it (trying 5-6 or more times befor...
by harryweb
Wed Feb 27, 2013 6:42 am
Forum: Python
Topic: cx_freeze install error
Replies: 3
Views: 2478

Re: cx_freeze install error

cx_freeze install now... works !

Thank you croston !
by harryweb
Tue Feb 26, 2013 8:21 pm
Forum: Python
Topic: cx_freeze install error
Replies: 3
Views: 2478

cx_freeze install error

Hi, I downloaded the last source code cx_freeze then tried as root to launch: sudo python2.7 setup.py build after copying some files... stop and error message: source/util.c -o build/temp.linux-armv6l-2.7/source/util.o source/util.c:6:20: fatal error: Python.h: No such file or directory someone can ...
by harryweb
Mon Feb 25, 2013 2:10 pm
Forum: Python
Topic: How to be ROOT for my prog ?
Replies: 1
Views: 494

How to be ROOT for my prog ?

Hi every one, I'm using an embedded Rpi WITHOUT keyboard... Just 10" LCD & Touchscreen My Python prog use Tkinter and I would like to change a file for network config: /etc/network/interfaces I put a tk.button to open the file interface, (read only) it's ok I have another button to change the interf...
by harryweb
Thu Feb 21, 2013 1:34 pm
Forum: General discussion
Topic: install DHCP server problem
Replies: 13
Views: 24814

Re: install DHCP server problem

The Rpi must be connected directly to my electronic item without my home network.
(It must be installed where there is no available network)

Rpi<------- RJ45 ---------> electronic item

Rpi must have server ability to give my electronic an IP address.

Best Regards
Herve
by harryweb
Wed Feb 20, 2013 11:01 pm
Forum: General discussion
Topic: install DHCP server problem
Replies: 13
Views: 24814

Re: install DHCP server problem

Alex, My Router (internet box) is giving DHCP to my Rpi (I think it works like this) The electronic Item is a subrack using "Tibbo" (http://tibbo.com/products/modules/x20x/em1206.html) This Tibbo is a kind of transformer. It has 4 serial ports witch can have communication over network serial to RJ45...
by harryweb
Wed Feb 20, 2013 9:50 pm
Forum: General discussion
Topic: install DHCP server problem
Replies: 13
Views: 24814

Re: install DHCP server problem

Ok Alex, When looking for my subnet (Rpi not plugged to network) I can see (ifconfig): nothing into ETH0 for lo: IP=127.0.0.1 Mask:255.0.0.0 Rpi plugged to my home network ETH0 = 192.168.0.22 Mask:255.255.255.0 Rpi plugged directly to my electronic Item same as not plugged I wrote an app in python t...
by harryweb
Wed Feb 20, 2013 8:02 pm
Forum: General discussion
Topic: install DHCP server problem
Replies: 13
Views: 24814

Re: install DHCP server problem

Hi Alex, Thank you for helping Here is dhcpd.conf # # Sample configuration file for ISC dhcpd for Debian # # # The ddns-updates-style parameter controls whether or not the server will # attempt to do a DNS update when a lease is confirmed. We default to the # behavior of the version 2 packages ('non...
by harryweb
Wed Feb 20, 2013 6:49 pm
Forum: General discussion
Topic: install DHCP server problem
Replies: 13
Views: 24814

Re: install DHCP server problem

Thank you for help to find syslog. this is what I've found but can't explain: Feb 20 14:48:46 raspberrypi dhcpd: Internet Systems Consortium DHCP Server 4.2.2 Feb 20 14:48:46 raspberrypi dhcpd: Copyright 2004-2011 Internet Systems Consortium. Feb 20 14:48:46 raspberrypi dhcpd: All rights reserved. F...
by harryweb
Wed Feb 20, 2013 4:22 pm
Forum: General discussion
Topic: install DHCP server problem
Replies: 13
Views: 24814

install DHCP server problem

HI, New to Linux... I'm trying to install : apt-get install isc-dhcp-server Then it seems to install but I have an error message: [fail] Starting isc DHCP server: dhcp[....] check syslog for diagnostics invoke-rc.d: initscript isc-dhcp-server, action "start" failed. Also an error when rebooting (red...
by harryweb
Wed Feb 20, 2013 6:42 am
Forum: Français
Topic: [electronic] Ecran 7" alimentation 12V "magique"
Replies: 14
Views: 2206

Re: [electronic] Ecran 7" alimentation 12V "magique"

Bonjour

satisfait de la résolution ?

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