2nde page sur les claviers

accents.pdf

DIN_PS2.pdf (PDF- 16Kb)

http://www.tabalabs.com.br/eletronica/reftec/ps2keyboard.pdf ps2 keyboard reference

http://www.obdev.at/products/vusb/hidkeys.html V-USB - A Firmware-Only USB Driver for Atmel AVR Microcontrollers

"Application Note 195
Developing HID USB Device Drivers For Embedded Systems

Keil provides an USB Human Interface Device (HID) example for several ARM-powered evaluation boards. This application note should help you
to develop own USB HID projects based on the existing example. It shows several possible modifications to the existing HID example for Evaluation Board MCBSTR9 to help you getting started."

Here: http://www.onarm.com/appnotes/apnt195.asp

(You may have to register to download it)

Get the official specs from usb.org, then the classic:
http://www.lvr.com/usbc.htm .
Also http://www.usbmadesimple.co.uk/ ,
http://www.beyondlogic.org/usbnutshell/usb1.shtml .

One of the sample programs supplied with the IAR STM32 SK development board (based on an ARM Cortex M3)
The board schematics and software can be downloaded from IAR (may be also from Olimex, the manufacturer.)

I would expect to find similar code samples in the application notes of other micros, both from ST and other manufacturers.
Lastly, look at the libraries available for popular boards like the arduinos, parallax, mbed, etc.

http://www.ganssle.com/debouncing.htm A guide to debouncing

https://github.com/tcleg/Button_Debouncer Trent Cleghorn's code

keyboard Interface

http://www.networktechinc.com/ps2-prots.html
http://home.ecn.ab.ca/~jsavard/comp/scan.htm
http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/PS2/ps2.htm
http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/scancodes.html
http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/atkeyboard.html

http://possmi.com/links.htm Point Of Sale equipment Manufacturers list

http://www.rfdc.org/contacts/a-z/a-z_page.html Barcode decoder and reader manufacturers list

http://www.linuxdevices.com/articles/AT2281789509.html A hardware and device driver project for Linux.w/ the Hewlett-Packard HBCS-A300 Bar Code Wand. There is a project that have been done on Linux system with C language. It is very simple to port to any microcontroller.

http://www.opencores.org/projects/ps2/ PS2 interface : The PS/2 interface project (ps2_interface) is interface hardware to allow using a ps2 mouse or keyboard in your project. The code is written in Verilog, and was sythesized into a Xilinx SpartanII XC2S200 chip. Debugging was done with an HP16500 series logic analyzer, and there is no testbench for these interfaces.

http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/PS2/ps2.htm PS/2 Mouse/Keyboard Protocol
http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/scancodes.html Scancodes

http://www.iptel-now.de/HOWTO/PIC/pic.html PS/2 to RS-232 converter

http://www.geocities.com/SiliconValley/Orchard/6633/keypad.html Interfacing a 4X4 keypad to a BS2 using a 74922 encoder chip.

http://www.programmationworld.com/site/langages/progelectronique/cours3.htm Interfacer un clavier matriciel

http://www.simpits.org/engineering/KeyEmu/Key_Emu.html keyboard emulator

http://panda.cs.ndsu.nodak.edu/~achapwes/PICmicro/keyboard/atkeyboard.html Interfacing the AT Keyboard -By Adam C

http://www.dattalo.com/technical/software/pic/debounce.html PIC Debouncing : Although PIC-centric, it can be adapted to any processor. It is a short routine meant to be called by a periodic interupt. There are no loops or branches, and it runs in constant time. The number of inputs that can be debounced is limited only by the width of the input port.

Câble adaptateur P.C./P.S.

Brochages Clavier

Schéma clavier Hex-Tastatur (16 touches - encodage hexadécimal transcodable par une PROM + 2 touches contacts)

Serial->Keyboard redirector (Stephen Warner Avril 1993)

ZILOG ZB8602/14/15/C15/E23 Microcontrollers Control a 101/102 PC/Keyboard ( Application Note AP95KEY0200)

Two Line Mini-Terminal (Roger Schaeffer) Terminal à base de clavier 101 Touches et d'un afficheur 2x40 caractères

ALTEK Keyboard Tech informations
http://www.barcodeman.com/wedge.html Keyboard Wedge Techniques
http://www.barcodeman.com/scan_doc.html PC Keyboard Scan Codes documentation.

http://www.hth.com/filelibrary/TXTFILES/keyboard.txt The PS2 keyboard interface

http://web.archive.org/web/20081112064440/http://d.nardi.free.fr/tpii.htm Gestion d'un clavier matricé à l'aide d'un 80C51 (Matrix keyboard interfacing with the 80C51)

http://nalhossri.free.fr/Librairies%20pour%20CODE%20WARRIOR/clavier_matriciel/clavier_matriciel/decodage_clavier_matriciel.html Clavier matriciel 16 touches - Bibliothèques

Sélecteur de clavier

Réception de la V24 comme le clavier ( programme en assembleur 8086)

Un clavier RS232 pour APPLE II ou PC-XT

http://www.beyondlogic.org/keyboard/keybrd.htm How to interface an AT keyboard to a system expecting ASCII input :
PC Keyboard Theory, Keyboard Commands (Host Commands, Commands), Scan Codes, The Keyboard's Connector, The Keyboard's Protocol ( Keyboard to Host, Host to Keyboard), Interfacing Example - Keyboard to ASCII Decoder, Features, Schematic & Hardware (68HC705J1 PC-keyboard interface), Reading Bytes from the Keyboard, Writing Bytes to the Keyboard, Download Source Code

http://www.arne.si/~mauricio/PIC.HTM AT Keyboard Emulation using PIC16C84 Microcontroller : this routine is using 4 pins (2 inputs & 2 outputs) to control ; keyboard's 2 bidirectional OC lines (CLK & DATA). The following an identical circuit is used for the DATA line. This diagram was 'copied' from an classic AT keyboard. I did not use the clamping diodes because they are already included as standard pin protection in PC microcontrollers. This can be simplified more if the related pin is switched between input & output low (simulate OC).

http://www.edn.com/article/505614-Keyboard_data_acquisition_system_is_cheap_and_simple.php Keyboard data-acquisition system is cheap and simple (PIC12C671-04 µC).

http://www.simpits.org/engineering/KeyEmu/Key_Emu.html Custom Control Built using the Inside-PC-Keyboard interface

http://people.FreeBSD.org/~fsmp/HomeAuto/Focus.html This serial port based box controls the I/O of both keyboard and (serial) mouse ports of up to seven computers. This allows one to setup a pseudo- multiheaded X environment. I have built an X client that consists of a small circle associated with a particular setting of the hardware. I have three monitors side by side, each running X on a different machine.

http://homepages.tesco.net/~steve.lawther/steve/keybmail.htm snippet of code for the PIC microcontroller, for decoding alphanumeric keyboard codes .

pc-keyboards faqs:
http://www.arne.si/~mauricio/Kbdfaq.htm
http://members.tripod.com/~ilkerf/c64tower/F_Keyboard_FAQ.html


http://www.krafti.co.uk/steve/keybinfo.htm My PC AT keyboard code viewer; uses a 16C84 and 20x2 LCD display (can use 16, 24, 32, or 40 x 2 LCD displays by changing one line). Also gives example LCD driver code, queuing code, and wait macro. (Ver 1.11).

http://nyquist.ee.ualberta.ca/~jdv/john.gif 8042 Controller Schematic

Philips Application Note AN434 (PDF)
http://www.nxp.com/files/products/standard/microcontrollers/download/80c51/i2c/i2cpckb.zip Philips gives the 80C751 (8051 family) microcontroller code for a PC AT keyboard to I2C converter.

Atmel has info. and code (in C) to interface a PC AT keyboard to the Atmel AVR range.

http://boole.stanford.edu/~gdefouw/kbd/pic.html PIC16C84 Transmit Routine
http://boole.stanford.edu/~gdefouw/kbd/wearables.html

http://arcade.50megs.com/encoder/encoder.htm Keyboard encoder with AT89S82 mcu

"keyboard terminator" ou "keyboard emilinator", par exemple :
http://www.versalent.biz/keylim.htm
http://www.vetra.com/Elimina2.htm
http://www.farnell.com/datasheets/66096.pdf 700/900 Series keyboard encoder

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Email : matthieu.benoit@free.fr