2024-10-31 20:18:37 +01:00
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throw new Error('SimpleJekyllSearch --- ' + message)
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< script >
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
json: '/search.json',
//searchResultTemplate: '< li > < a href = "https://static.rnmkcy.eu{url}" > {date} {title}< / a > < / li > '
searchResultTemplate: '< li > < a href = "{url}" > {date} {title}< / a > < / li > '
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<!-- Fin déclaration champ de recherche -->
< / div >
< nav class = "navigation" >
< ul >
< li class = "navigation__item" > < a href = "/archive.html" > Etiquettes< / a > < / li >
< li class = "navigation__item" > < a href = "/htmldoc.html" > Documents< / a > < / li >
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<!-- start custom main top snippet --> < div id = "results-container" class = "search-result js-search-result" > < / div >
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< article itemscope itemtype = "http://schema.org/Article" > < div class = "article__header" > < header > < h1 style = "color:Tomato;" > Raspberry Pi + Arduino + SPI< / h1 > < / header > < / div >
< meta itemprop = "headline" content = "Raspberry Pi + Arduino + SPI" >
< div class = "article__info clearfix" >
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2024-11-08 14:10:33 +01:00
< a class = "button button--secondary button--pill button--sm" style = "color:#00FFFF" href = "/archive.html?tag=raspberry" > raspberry< / a >
2024-10-31 20:18:37 +01:00
< / li >
< li >
2024-11-08 14:10:33 +01:00
< a class = "button button--secondary button--pill button--sm" style = "color:#00FFFF" href = "/archive.html?tag=arduino" > arduino< / a >
2024-10-31 20:18:37 +01:00
< / li >
< / ul >
< ul class = "right-col menu" > < li >
< i class = "far fa-calendar-alt" > < / i > < span title = "Création" style = "color:#FF00FF" > 30 < / span >
< / li > < / ul >
< / div >
< meta itemprop = "datePublished" content = "2019-07-30T00:00:00+02:00" >
< meta itemprop = "keywords" content = "raspberry,arduino" >
< div class = "js-article-content" >
< div class = "layout--article" >
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< style >
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display: none;
position: fixed;
bottom: 10px;
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z-index: 99;
font-size: 12px;
font-weight: bold;
border: none;
outline: none;
background-color: white;
color: black;
cursor: pointer;
padding: 5px;
border-radius: 4px;
}
#myBtn:hover {
background-color: #555;
}
< / style >
< button onclick = "topFunction()" id = "myBtn" title = "Haut de page" > ⇧< / button >
< script >
//Get the button
var mybutton = document.getElementById("myBtn");
// When the user scrolls down 20px from the top of the document, show the button
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// When the user clicks on the button, scroll to the top of the document
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< / script >
<!-- end custom article top snippet -->
< div class = "article__content" itemprop = "articleBody" >
< details >
< summary > < b > Afficher/cacher Sommaire< / b > < / summary >
<!-- affichage sommaire -->
< div class = "toc-aside js-toc-root" > < / div >
< / details > < h2 id = "spi---comunication-entre-rasberry-et-arduino" > SPI - comunication entre Rasberry et Arduino< / h2 >
< ul >
< li > < a href = "http://robotics.hobbizine.com/raspiduino.html" > Raspberry Pi to Arduino SPI Communication< / a > < / li >
< li > < a href = "http://mitchtech.net/raspberry-pi-arduino-spi/" > Raspberry Pi + Arduino + SPI< / a > < / li >
< / ul >
< h3 id = "exigences" > Exigences< / h3 >
< ul >
< li > 1 Raspberry Pi avec la dernière version de Raspbian< / li >
< li > 1 Arduino< / li >
< / ul >
< p > Raspberry Pi avec la dernière version de Raspbian . Pour vous assurer que votre système est à jour, veuillez télécharger et exécuter rpi-update .< / p >
< h3 id = "câblage" > Câblage< / h3 >
< p > < img src = "/images/raspi_arduino_spi-225x300.png" alt = "" > < br >
< img src = "/images/rduspi.png" alt = "" width = "200" > < br >
Config. Broches SPI d’ < / p >
< table >
< thead >
< tr >
< th > _< / th >
< th > MOSI< / th >
< th > MISO< / th >
< th > SCK< / th >
< th > SS< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > Arduino Uno< / td >
< td > 11< / td >
< td > 12< / td >
< td > 13< / td >
< td > 10< / td >
< / tr >
< tr >
< td > Arduino Nano< / td >
< td > 11< / td >
< td > 12< / td >
< td > 13< / td >
< td > 10< / td >
< / tr >
< tr >
< td > Arduino Mega< / td >
< td > 51< / td >
< td > 50< / td >
< td > 52< / td >
< td > 53< / td >
< / tr >
< / tbody >
< / table >
< p > < img src = "/images/arduino-uno-pinouts.png" alt = "" width = "600" > < br >
< img src = "/images/arduino-nano-pinouts.png" alt = "" width = "600" > < br >
< img src = "/images/arduino-mega.png" alt = "" width = "600" > < br >
< img src = "/images/arduino-r3-pinouts.png" alt = "" width = "600" > < / p >
< p > < img src = "/images/rdu328p.png" alt = "" > < / p >
< p > < img src = "/images/rdupi1.png" alt = "" > < / p >
< h3 id = "arduino" > Arduino< / h3 >
< p > Le choix d’ ’ < / p >
< p > Ouvrez votre ide Arduino et flasher le code ci-dessous sur votre Arduino.< br >
< em > Code Arduino < strong > arduino_spi_slave.pde< / strong > < / em > < / p >
< div class = "language-c highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "c1" > // Written by Nick Gammon< / span >
< span class = "c1" > // February 2011< / span >
< span class = "cm" > /**
* Send arbitrary number of bits at whatever clock rate (tested at 500 KHZ and 500 HZ).
* This script will capture the SPI bytes, when a '\n' is recieved it will then output
* the captured byte stream via the serial.
*/< / span >
< span class = "cp" > #include< / span > < span class = "cpf" > < SPI.h> < / span > < span class = "cp" >
< / span >
< span class = "kt" > char< / span > < span class = "n" > buf< / span > < span class = "p" > [< / span > < span class = "mi" > 100< / span > < span class = "p" > ];< / span >
< span class = "k" > volatile< / span > < span class = "n" > byte< / span > < span class = "n" > pos< / span > < span class = "p" > ;< / span >
< span class = "k" > volatile< / span > < span class = "n" > boolean< / span > < span class = "n" > process_it< / span > < span class = "p" > ;< / span >
< span class = "kt" > void< / span > < span class = "nf" > setup< / span > < span class = "p" > (< / span > < span class = "kt" > void< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "n" > Serial< / span > < span class = "p" > .< / span > < span class = "n" > begin< / span > < span class = "p" > (< / span > < span class = "mi" > 115200< / span > < span class = "p" > );< / span > < span class = "c1" > // debugging< / span >
< span class = "c1" > // have to send on master in, *slave out*< / span >
< span class = "n" > pinMode< / span > < span class = "p" > (< / span > < span class = "n" > MISO< / span > < span class = "p" > ,< / span > < span class = "n" > OUTPUT< / span > < span class = "p" > );< / span >
< span class = "c1" > // turn on SPI in slave mode< / span >
< span class = "n" > SPCR< / span > < span class = "o" > |=< / span > < span class = "n" > _BV< / span > < span class = "p" > (< / span > < span class = "n" > SPE< / span > < span class = "p" > );< / span >
< span class = "c1" > // get ready for an interrupt < / span >
< span class = "n" > pos< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "c1" > // buffer empty< / span >
< span class = "n" > process_it< / span > < span class = "o" > =< / span > < span class = "nb" > false< / span > < span class = "p" > ;< / span >
< span class = "c1" > // now turn on interrupts< / span >
< span class = "n" > SPI< / span > < span class = "p" > .< / span > < span class = "n" > attachInterrupt< / span > < span class = "p" > ();< / span >
< span class = "p" > }< / span > < span class = "c1" > // end of setup< / span >
< span class = "c1" > // SPI interrupt routine< / span >
< span class = "n" > ISR< / span > < span class = "p" > (< / span > < span class = "n" > SPI_STC_vect< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "n" > byte< / span > < span class = "n" > c< / span > < span class = "o" > =< / span > < span class = "n" > SPDR< / span > < span class = "p" > ;< / span > < span class = "c1" > // grab byte from SPI Data Register< / span >
< span class = "c1" > // add to buffer if room< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > pos< / span > < span class = "o" > < < / span > < span class = "k" > sizeof< / span > < span class = "n" > buf< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "n" > buf< / span > < span class = "p" > [< / span > < span class = "n" > pos< / span > < span class = "o" > ++< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > c< / span > < span class = "p" > ;< / span >
< span class = "c1" > // example: newline means time to process buffer< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > c< / span > < span class = "o" > ==< / span > < span class = "sc" > '\n'< / span > < span class = "p" > )< / span >
< span class = "n" > process_it< / span > < span class = "o" > =< / span > < span class = "nb" > true< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "c1" > // end of room available< / span >
< span class = "p" > }< / span > < span class = "c1" > // end of interrupt routine SPI_STC_vect< / span >
< span class = "c1" > // main loop - wait for flag set in interrupt routine< / span >
< span class = "kt" > void< / span > < span class = "nf" > loop< / span > < span class = "p" > (< / span > < span class = "kt" > void< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > process_it< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "n" > buf< / span > < span class = "p" > [< / span > < span class = "n" > pos< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< span class = "n" > Serial< / span > < span class = "p" > .< / span > < span class = "n" > println< / span > < span class = "p" > (< / span > < span class = "n" > buf< / span > < span class = "p" > );< / span >
< span class = "n" > pos< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< span class = "n" > process_it< / span > < span class = "o" > =< / span > < span class = "nb" > false< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span > < span class = "c1" > // end of flag set< / span >
< span class = "p" > }< / span > < span class = "c1" > // end of loop< / span >
< / code > < / pre > < / div > < / div >
< h3 id = "raspberry-pi" > Raspberry Pi< / h3 >
< p > < strong > Activation de SPI sur le Raspberry Pi< / strong > < br >
SPI sur le Pi est désactivé par défaut. Avant de pouvoir utiliser SPI dans vos programmes, il doit être activé. Le moyen le plus simple consiste à utiliser l’ < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > sudo raspi-config
< / code > < / pre > < / div > < / div >
< p > Dans les écrans résultants, sélectionnez Options avancées, puis sélectionnez SPI. Vous devez répondre oui aux deux questions pour activer l’ < / p >
< p > Redémarrez le Pi pour charger le module de noyau SPI. Vous pouvez vérifier que la modification est effective en entrant lsmod sur la ligne de commande pour générer une liste des modules chargés. Le module spi spi_bcm2708 doit apparaître dans les résultats.< / p >
< p > Le Pi a un fichier “liste noire” qui bloque le chargement des modules: < strong > /etc/modprobe.d/raspi-blacklist.conf< / strong > . La ligne < code class = "language-plaintext highlighter-rouge" > #blacklist spi-bcm2708< / code > doit commencer par le symbole dièse “#” qui “met en commentaire” la ligne. Sans le hachage, SPI est sur la liste noire et ne se charge pas.< / p >
< p > Les paramètres de l’ < strong > /boot/config.txt< / strong > < br >
Recherchez une ligne dans le fichier qui se lit comme suit: < code class = "language-plaintext highlighter-rouge" > dtparam=spi= on< / code > .< br >
Si la ligne indique que spi est désactivé ou si elle est totalement absente, éditez le fichier en conséquence. Il suffit de faire de la ligne la dernière ligne du fichier.< / p >
< blockquote >
< p > N’ < / p >
< / blockquote >
< p > Avec votre système rasbian mis à jour.Il faut charger les pilotes.< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > modprobe spi_bcm2708
modprobe spidev
< / code > < / pre > < / div > < / div >
< p > Vérifier que les modules chargés:< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > lsmod
Taille du module utilisée par
spidev 5944 0
spi_bcm2708 5350 0
snd_bcm2835 21681 0
snd_pcm 81170 1 snd_bcm2835
snd_seq 59528 0
snd_timer 21602 2 snd_seq, snd_pcm
snd_seq_device 6924 1 snd_seq
snd 57427 5 snd_seq_device, snd_timer, snd_seq, snd_pcm, snd_bcm2835
snd_page_alloc 5343 1 snd_pcm
i2c_bcm2708 3822 0
< / code > < / pre > < / div > < / div >
< h4 id = "code-raspberry-pi" > Code Raspberry Pi< / h4 >
< p > Enregistrez le code ci-dessous sous le nom < strong > spidev_test.c< / strong > sur votre Raspberry Pi et compilez-le.< / p >
< div class = "language-c highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > < span class = "cm" > /*
* SPI testing utility (using spidev driver)
*
* Copyright (c) 2007 MontaVista Software, Inc.
* Copyright (c) 2007 Anton Vorontsov < avorontsov@ru.mvista.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* Cross-compile with cross-gcc -I/path/to/cross-kernel/include
*/< / span >
< span class = "cp" > #include< / span > < span class = "cpf" > < stdint.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < unistd.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < stdio.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < stdlib.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < getopt.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < fcntl.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < sys/ioctl.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < linux/types.h> < / span > < span class = "cp" >
#include< / span > < span class = "cpf" > < linux/spi/spidev.h> < / span > < span class = "cp" >
< / span >
< span class = "cp" > #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
< / span >
< span class = "k" > static< / span > < span class = "kt" > void< / span > < span class = "nf" > pabort< / span > < span class = "p" > (< / span > < span class = "k" > const< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > s< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "n" > perror< / span > < span class = "p" > (< / span > < span class = "n" > s< / span > < span class = "p" > );< / span >
< span class = "n" > abort< / span > < span class = "p" > ();< / span >
< span class = "p" > }< / span >
< span class = "k" > static< / span > < span class = "k" > const< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > device< / span > < span class = "o" > =< / span > < span class = "s" > "/dev/spidev0.0"< / span > < span class = "p" > ;< / span >
< span class = "k" > static< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > mode< / span > < span class = "p" > ;< / span >
< span class = "k" > static< / span > < span class = "kt" > uint8_t< / span > < span class = "n" > bits< / span > < span class = "o" > =< / span > < span class = "mi" > 8< / span > < span class = "p" > ;< / span >
< span class = "k" > static< / span > < span class = "kt" > uint32_t< / span > < span class = "n" > speed< / span > < span class = "o" > =< / span > < span class = "mi" > 500000< / span > < span class = "p" > ;< / span >
< span class = "k" > static< / span > < span class = "kt" > uint16_t< / span > < span class = "n" > delay< / span > < span class = "p" > ;< / span >
< span class = "k" > static< / span > < span class = "kt" > void< / span > < span class = "nf" > transfer< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "n" > fd< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "kt" > int< / span > < span class = "n" > ret< / span > < span class = "p" > ;< / span >
< span class = "kt" > uint8_t< / span > < span class = "n" > tx< / span > < span class = "p" > []< / span > < span class = "o" > =< / span > < span class = "p" > {< / span >
< span class = "mh" > 0x48< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x45< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x4C< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x4C< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x4F< / span > < span class = "p" > ,< / span >
< span class = "mh" > 0x20< / span > < span class = "p" > ,< / span >
< span class = "mh" > 0x57< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x4F< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x52< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x4C< / span > < span class = "p" > ,< / span > < span class = "mh" > 0x44< / span > < span class = "p" > ,< / span >
< span class = "mh" > 0x0A< / span >
< span class = "p" > };< / span >
< span class = "kt" > uint8_t< / span > < span class = "n" > rx< / span > < span class = "p" > [< / span > < span class = "n" > ARRAY_SIZE< / span > < span class = "p" > (< / span > < span class = "n" > tx< / span > < span class = "p" > )]< / span > < span class = "o" > =< / span > < span class = "p" > {< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "p" > };< / span >
< span class = "k" > struct< / span > < span class = "n" > spi_ioc_transfer< / span > < span class = "n" > tr< / span > < span class = "o" > =< / span > < span class = "p" > {< / span >
< span class = "p" > .< / span > < span class = "n" > tx_buf< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "kt" > unsigned< / span > < span class = "kt" > long< / span > < span class = "p" > )< / span > < span class = "n" > tx< / span > < span class = "p" > ,< / span >
< span class = "p" > .< / span > < span class = "n" > rx_buf< / span > < span class = "o" > =< / span > < span class = "p" > (< / span > < span class = "kt" > unsigned< / span > < span class = "kt" > long< / span > < span class = "p" > )< / span > < span class = "n" > rx< / span > < span class = "p" > ,< / span >
< span class = "p" > .< / span > < span class = "n" > len< / span > < span class = "o" > =< / span > < span class = "n" > ARRAY_SIZE< / span > < span class = "p" > (< / span > < span class = "n" > tx< / span > < span class = "p" > ),< / span >
< span class = "p" > .< / span > < span class = "n" > delay_usecs< / span > < span class = "o" > =< / span > < span class = "n" > delay< / span > < span class = "p" > ,< / span >
< span class = "p" > .< / span > < span class = "n" > speed_hz< / span > < span class = "o" > =< / span > < span class = "n" > speed< / span > < span class = "p" > ,< / span >
< span class = "p" > .< / span > < span class = "n" > bits_per_word< / span > < span class = "o" > =< / span > < span class = "n" > bits< / span > < span class = "p" > ,< / span >
< span class = "p" > };< / span >
< span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "n" > ioctl< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > ,< / span > < span class = "n" > SPI_IOC_MESSAGE< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > ),< / span > < span class = "o" > & < / span > < span class = "n" > tr< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > ret< / span > < span class = "o" > < < / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't send spi message"< / span > < span class = "p" > );< / span >
< span class = "cm" > /*
for (ret = 0; ret < ARRAY_SIZE(tx); ret++) {
if (!(ret % 6))
puts("");
printf("%.2X ", rx[ret]);
}
puts("");
*/< / span >
< span class = "p" > }< / span >
< span class = "k" > static< / span > < span class = "kt" > void< / span > < span class = "nf" > print_usage< / span > < span class = "p" > (< / span > < span class = "k" > const< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > prog< / span > < span class = "p" > )< / span >
< span class = "p" > {< / span >
< span class = "n" > printf< / span > < span class = "p" > (< / span > < span class = "s" > "Usage: %s [-DsbdlHOLC3]< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span > < span class = "p" > ,< / span > < span class = "n" > prog< / span > < span class = "p" > );< / span >
< span class = "n" > puts< / span > < span class = "p" > (< / span > < span class = "s" > " -D --device device to use (default /dev/spidev1.1)< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -s --speed max speed (Hz)< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -d --delay delay (usec)< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -b --bpw bits per word < / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -l --loop loopback< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -H --cpha clock phase< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -O --cpol clock polarity< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -L --lsb least significant bit first< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -C --cs-high chip select active high< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span >
< span class = "s" > " -3 --3wire SI/SO signals shared< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span > < span class = "p" > );< / span >
< span class = "n" > exit< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > );< / span >
< span class = "p" > }< / span >
< span class = "k" > static< / span > < span class = "kt" > void< / span > < span class = "nf" > parse_opts< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "n" > argc< / span > < span class = "p" > ,< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > argv< / span > < span class = "p" > [])< / span >
< span class = "p" > {< / span >
< span class = "k" > while< / span > < span class = "p" > (< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > static< / span > < span class = "k" > const< / span > < span class = "k" > struct< / span > < span class = "n" > option< / span > < span class = "n" > lopts< / span > < span class = "p" > []< / span > < span class = "o" > =< / span > < span class = "p" > {< / span >
< span class = "p" > {< / span > < span class = "s" > "device"< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'D'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "speed"< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 's'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "delay"< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'd'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "bpw"< / span > < span class = "p" > ,< / span > < span class = "mi" > 1< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'b'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "loop"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'l'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "cpha"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'H'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "cpol"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'O'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "lsb"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'L'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "cs-high"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'C'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "3wire"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > '3'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "no-cs"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'N'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "s" > "ready"< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "sc" > 'R'< / span > < span class = "p" > },< / span >
< span class = "p" > {< / span > < span class = "nb" > NULL< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "mi" > 0< / span > < span class = "p" > },< / span >
< span class = "p" > };< / span >
< span class = "kt" > int< / span > < span class = "n" > c< / span > < span class = "p" > ;< / span >
< span class = "n" > c< / span > < span class = "o" > =< / span > < span class = "n" > getopt_long< / span > < span class = "p" > (< / span > < span class = "n" > argc< / span > < span class = "p" > ,< / span > < span class = "n" > argv< / span > < span class = "p" > ,< / span > < span class = "s" > "D:s:d:b:lHOLC3NR"< / span > < span class = "p" > ,< / span > < span class = "n" > lopts< / span > < span class = "p" > ,< / span > < span class = "nb" > NULL< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > c< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > switch< / span > < span class = "p" > (< / span > < span class = "n" > c< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< span class = "k" > case< / span > < span class = "sc" > 'D'< / span > < span class = "p" > :< / span >
< span class = "n" > device< / span > < span class = "o" > =< / span > < span class = "n" > optarg< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 's'< / span > < span class = "p" > :< / span >
< span class = "n" > speed< / span > < span class = "o" > =< / span > < span class = "n" > atoi< / span > < span class = "p" > (< / span > < span class = "n" > optarg< / span > < span class = "p" > );< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'd'< / span > < span class = "p" > :< / span >
< span class = "n" > delay< / span > < span class = "o" > =< / span > < span class = "n" > atoi< / span > < span class = "p" > (< / span > < span class = "n" > optarg< / span > < span class = "p" > );< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'b'< / span > < span class = "p" > :< / span >
< span class = "n" > bits< / span > < span class = "o" > =< / span > < span class = "n" > atoi< / span > < span class = "p" > (< / span > < span class = "n" > optarg< / span > < span class = "p" > );< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'l'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_LOOP< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'H'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_CPHA< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'O'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_CPOL< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'L'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_LSB_FIRST< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'C'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_CS_HIGH< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > '3'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_3WIRE< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'N'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_NO_CS< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "k" > case< / span > < span class = "sc" > 'R'< / span > < span class = "p" > :< / span >
< span class = "n" > mode< / span > < span class = "o" > |=< / span > < span class = "n" > SPI_READY< / span > < span class = "p" > ;< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "nl" > default:< / span >
< span class = "n" > print_usage< / span > < span class = "p" > (< / span > < span class = "n" > argv< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]);< / span >
< span class = "k" > break< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< span class = "p" > }< / span >
< span class = "p" > }< / span >
< span class = "kt" > int< / span > < span class = "nf" > main< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "n" > argc< / span > < span class = "p" > ,< / span > < span class = "kt" > char< / span > < span class = "o" > *< / span > < span class = "n" > argv< / span > < span class = "p" > [])< / span >
< span class = "p" > {< / span >
< span class = "kt" > int< / span > < span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< span class = "kt" > int< / span > < span class = "n" > fd< / span > < span class = "p" > ;< / span >
< span class = "n" > parse_opts< / span > < span class = "p" > (< / span > < span class = "n" > argc< / span > < span class = "p" > ,< / span > < span class = "n" > argv< / span > < span class = "p" > );< / span >
< span class = "n" > fd< / span > < span class = "o" > =< / span > < span class = "n" > open< / span > < span class = "p" > (< / span > < span class = "n" > device< / span > < span class = "p" > ,< / span > < span class = "n" > O_RDWR< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't open device"< / span > < span class = "p" > );< / span >
< span class = "cm" > /*
* spi mode
*/< / span >
< span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "n" > ioctl< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > ,< / span > < span class = "n" > SPI_IOC_WR_MODE< / span > < span class = "p" > ,< / span > < span class = "o" > & < / span > < span class = "n" > mode< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > ret< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't set spi mode"< / span > < span class = "p" > );< / span >
< span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "n" > ioctl< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > ,< / span > < span class = "n" > SPI_IOC_RD_MODE< / span > < span class = "p" > ,< / span > < span class = "o" > & < / span > < span class = "n" > mode< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > ret< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't get spi mode"< / span > < span class = "p" > );< / span >
< span class = "cm" > /*
* bits per word
*/< / span >
< span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "n" > ioctl< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > ,< / span > < span class = "n" > SPI_IOC_WR_BITS_PER_WORD< / span > < span class = "p" > ,< / span > < span class = "o" > & < / span > < span class = "n" > bits< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > ret< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't set bits per word"< / span > < span class = "p" > );< / span >
< span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "n" > ioctl< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > ,< / span > < span class = "n" > SPI_IOC_RD_BITS_PER_WORD< / span > < span class = "p" > ,< / span > < span class = "o" > & < / span > < span class = "n" > bits< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > ret< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't get bits per word"< / span > < span class = "p" > );< / span >
< span class = "cm" > /*
* max speed hz
*/< / span >
< span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "n" > ioctl< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > ,< / span > < span class = "n" > SPI_IOC_WR_MAX_SPEED_HZ< / span > < span class = "p" > ,< / span > < span class = "o" > & < / span > < span class = "n" > speed< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > ret< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't set max speed hz"< / span > < span class = "p" > );< / span >
< span class = "n" > ret< / span > < span class = "o" > =< / span > < span class = "n" > ioctl< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > ,< / span > < span class = "n" > SPI_IOC_RD_MAX_SPEED_HZ< / span > < span class = "p" > ,< / span > < span class = "o" > & < / span > < span class = "n" > speed< / span > < span class = "p" > );< / span >
< span class = "k" > if< / span > < span class = "p" > (< / span > < span class = "n" > ret< / span > < span class = "o" > ==< / span > < span class = "o" > -< / span > < span class = "mi" > 1< / span > < span class = "p" > )< / span >
< span class = "n" > pabort< / span > < span class = "p" > (< / span > < span class = "s" > "can't get max speed hz"< / span > < span class = "p" > );< / span >
< span class = "n" > printf< / span > < span class = "p" > (< / span > < span class = "s" > "spi mode: %d< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span > < span class = "p" > ,< / span > < span class = "n" > mode< / span > < span class = "p" > );< / span >
< span class = "n" > printf< / span > < span class = "p" > (< / span > < span class = "s" > "bits per word: %d< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span > < span class = "p" > ,< / span > < span class = "n" > bits< / span > < span class = "p" > );< / span >
< span class = "n" > printf< / span > < span class = "p" > (< / span > < span class = "s" > "max speed: %d Hz (%d KHz)< / span > < span class = "se" > \n< / span > < span class = "s" > "< / span > < span class = "p" > ,< / span > < span class = "n" > speed< / span > < span class = "p" > ,< / span > < span class = "n" > speed< / span > < span class = "o" > /< / span > < span class = "mi" > 1000< / span > < span class = "p" > );< / span >
< span class = "n" > transfer< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > );< / span >
< span class = "n" > close< / span > < span class = "p" > (< / span > < span class = "n" > fd< / span > < span class = "p" > );< / span >
< span class = "k" > return< / span > < span class = "n" > ret< / span > < span class = "p" > ;< / span >
< span class = "p" > }< / span >
< / code > < / pre > < / div > < / div >
< p > < strong > Compilation< / strong > < / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > gcc spidev_test.c -o spidev_test
< / code > < / pre > < / div > < / div >
< h3 id = "fonctionnement" > Fonctionnement< / h3 >
< ol >
< li > Branchez votre Arduino sur votre bureau via le câble série.< / li >
< li > Ouvrez le moniteur série arduino et réglez le débit sur 115200.< / li >
< li > sur le Raspberry Pi, exécutez le code compilé.< br >
< code class = "language-plaintext highlighter-rouge" > sudo ./spidev_test < / code >
< / li >
< / ol >
< p > Vous devriez voir HELLO WORLD s’ < br >
< img src = "/images/Screenshot-from-2012-08-10-181653-300x167.png" alt = "" > < / p >
< h3 id = "débogage" > Débogage< / h3 >
< p > Assurez-vous que votre noyau dispose des pilotes requis (spi-bcm2708.ko et spidev.ko).< / p >
< div class = "language-plaintext highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > ls -al /lib/modules/`uname -r`/kernel/drivers/spi/
< / code > < / pre > < / div > < / div >
< div class = "language-bash highlighter-rouge" > < div class = "highlight" > < pre class = "highlight" > < code > total 64
drwxrwxr-x 2 pi pi 4096 Aug 10 10:53 < span class = "nb" > .< / span >
drwxrwxr-x 23 pi pi 4096 Aug 10 10:53 ..
< span class = "nt" > -rw-rw-r< / span > –
< span class = "nt" > -rw-rw-r< / span > –
< span class = "nt" > -rw-rw-r< / span > –
< span class = "nt" > -rw-rw-r< / span > –
< / code > < / pre > < / div > < / div >
< / div >
< div class = "d-print-none" >
< footer class = "article__footer" > < meta itemprop = "dateModified" content = "2019-07-30T00:00:00+02:00" >
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  < / div >
-->
< / footer >
< div class = "article__section-navigator clearfix" >
< div class = "previous" >
< span > PRÉCÉDENT< / span > < a href = "/2019/07/24/BlackArch-Linux.html" > BlackArch Linux< / a >
< / div >
< div class = "next" >
< span > SUIVANT< / span > < a href = "/2019/07/30/Lecteur-USB-RFID(NFC)-SCL3711.html" > Lecteur USB RFID/NFC SCL3711 + RFID/Raspberry PI + RFID/Arduino< / a >
< / div >
< / div >
< / div >
< / div >
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< / script > < div class = "search search--dark" >
< div class = "main" >
< div class = "search__header" > Recherche< / div >
< div class = "search-bar" >
< div class = "search-box js-search-box" >
< div class = "search-box__icon-search" > < i class = "fas fa-search" > < / i > < / div >
< input id = "search-input" type = "text" >
< div class = "search-box__icon-clear js-icon-clear" >
< a > < i class = "fas fa-times" > < / i > < / a >
< / div >
< / div >
< button class = "button button--theme-dark button--pill search__cancel js-search-toggle" >
Annuler< / button >
< / div >
< div id = "results-container" class = "search-result js-search-result" > < / div >
< / div >
< / div >
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< script > / * !
* Simple-Jekyll-Search
* Copyright 2015-2020, Christian Fei
* Licensed under the MIT License.
*/
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'use strict'
var _$Templater_7 = {
compile: compile,
setOptions: setOptions
}
const options = {}
options.pattern = /\{(.*?)\}/g
options.template = ''
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'use strict';
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put: put,
clear: clear,
search: search,
setOptions: __setOptions_4
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'use strict'
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load: load
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function getXHR () {
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'use strict'
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'use strict'
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merge: merge,
isJSON: isJSON
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return mergedOptions
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function isJSON (json) {
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resultsContainer: null,
json: [],
success: Function.prototype,
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templateMiddleware: Function.prototype,
sortMiddleware: function () {
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noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
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/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
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throwError('You must specify the following required options: ' + requiredOptions)
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template: options.searchResultTemplate,
middleware: options.templateMiddleware
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limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
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if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
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const rv = {
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typeof options.success === 'function' & & options.success.call(rv)
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_$Repository_4.put(json)
registerInput()
}
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throwError('failed to get JSON (' + url + ')')
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initWithJSON(json)
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function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
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function registerInput () {
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emptyResultsContainer()
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function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
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}());
< / script >
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< script >
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
noResultsText: '< p > Aucun résultat!< / p > ',
json: '/search.json',
searchResultTemplate: '< li > < a href = "{url}" > {date} {title}< / a > (Création {create})< / li > '
})
< / script >
< / div >
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var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function scrollToAnchor(anchor, duration, callback) {
var $root = this;
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rootTop, rootLeft, rootHeight, scrollBottom, rootBottomTop,
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clearTimeout(timeout);
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$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
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hasInit = true;
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setOptions(options);
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init();
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$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
}
};
}
$.fn.affix = affix;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('< ul class = "toc toc--ellipsis" > < / ul > '), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
function setOptions(options) {
var _options = options || {};
_options.selectors & & (selectors = _options.selectors);
_options.container & & (container = _options.container);
_options.scrollTarget & & (scrollTarget = _options.scrollTarget);
_options.scroller & & (scroller = _options.scroller);
_options.disabled !== undefined & & (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1 ) { return ; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length ; i + + ) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$activeLast & & $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('< li > < / li > ').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('< a > < / a > ').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
/*(function () {
})();*/
< / script > < script >
/* toc must before affix, since affix need to konw toc' height. */(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc & & toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix & & affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
< / script > <!-- -->
< / div >
< script > ( f u n c t i o n ( ) {
var $root = document.getElementsByClassName('root')[0];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
< / script >
< / body >
< / html >
