Modérateur : Francois
Code : Tout sélectionner
console.log("Hello World");
Code : Tout sélectionner
var rpio = require('rpio');
var led = 12;
rpio.open(led,rpio.OUTPUT,rpio.LOW);
var blink = setInterval(function(){
rpio.write(led,!rpio.read(led) ? rpio.HIGH : rpio.LOW);
},500);
Code : Tout sélectionner
process.on('SIGINT', function(){
rpio.write(led,rpio.LOW);
process.exit();
});
) Code : Tout sélectionner
var rpio = require("rpio");
var spi_io = require("./spi_io.js");
var analog = require("./sensor.json").Analog;
rpio.init({ gpiomem: false, mapping: 'gpio' });
rpio.spiBegin();
var mcp3208 = new spi_io.MCP3208(rpio, 0, 512);
var test = function () {
var b = mcp3208.ReadAll();
for (var i = 0; i < analog.length; i++) {
var r = (analog[i].Vmax - analog[i].Vmin) / 4095 * b[i] + analog[i].Vmin;
console.log(analog[i].Name + ": " + r.toFixed(analog[i].Dec) + " " + analog[i].Unite);
}
console.log("\r\n");
};
setInterval(test, 1000);
process.on('SIGINT', function () {
rpio.spiEnd();
process.exit();
});
Code : Tout sélectionner
var Spi_IO = {
MCP3208: function (rpio, cs, clk) {
this.Cs = cs;
this.Clk = clk;
var adcResult = function (reg) {
rpio.spiTransfer(reg, reg, reg.length);
return reg;
};
this.ReadAll = function () {
rpio.spiSetClockDivider(this.Clk);
rpio.spiChipSelect(this.Cs);
var x = [];
var b = [];
for (i = 0; i < 8; i++) {
b = adcResult(Buffer([(i >> 2) + 6, i << 6 & 0xFF, 0x00]));
x[i] = ((b[1] & 0x0F) << 8) + b[2];
}
return x;
};
this.ReadChannel = function (channel) {
rpio.spiSetClockDivider(this.Clk);
rpio.spiChipSelect(this.Cs);
var b = adcResult(Buffer([(channel >> 2) + 6, channel << 6 & 0xFF, 0x00]));
return ((b[1] & 0x0F) << 8) + b[2];
};
}
};
module.exports = Spi_IO;
Code : Tout sélectionner
{
"Analog": [
{
"Iden": 0,
"Name": "Voltmetre 0",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 1,
"Name": "Voltmetre 1",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 2,
"Name": "Voltmetre 2",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 3,
"Name": "Voltmetre 3",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 4,
"Name": "Voltmetre 4",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 5,
"Name": "Voltmetre 5",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 6,
"Name": "Voltmetre 6",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 7,
"Name": "Voltmetre 7",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
}
]
}
) :
.
. Sa vraie valeur c’est la valeur maxi de la résolution de l’ADC. Je défini donc une propriété Resolution à mon objet ADC3208 et je lui mets la valeur 12. )
.Code : Tout sélectionner
var Sensor = {
ANALOG: function (sensorfile, adc) {
var ch = require(sensorfile).ANALOG;
var dmax = Math.pow(2, adc.Resolution) - 1;
for (var i = 0; i < ch.length; i++) {
ch[i].Coef = (ch[i].Vmax - ch[i].Vmin) / dmax;
ch[i].Value = 0.0;
}
this.Read = function (channel) {
if (typeof channel !== "undefined") {
let v = adc.ReadChannel(channel);
ch[channel].Value = (ch[channel].Coef * v +
ch[channel].Vmin).toFixed(ch[channel].Dec);
}
else {
let v = adc.ReadAll();
for(var i = 0; i<ch.length; i++) {
ch[i].Value = (ch[i].Coef * v[i] +
ch[i].Vmin).toFixed(ch[i].Dec);
}
}
};
this.Channel = ch;
}
};
module.exports = Sensor;
Code : Tout sélectionner
{
"ANALOG": [
{
"Iden": 0,
"Name": "Voltmetre 0",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 1,
"Name": "Voltmetre 1",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 2,
"Name": "Voltmetre 2",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 3,
"Name": "Voltmetre 3",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 4,
"Name": "Voltmetre 4",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 5,
"Name": "Voltmetre 5",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 6,
"Name": "Voltmetre 6",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
},
{
"Iden": 7,
"Name": "Voltmetre 7",
"Unite": "Volt",
"Vmin": 0.0,
"Vmax": 5.0,
"Dec": 3
}
]
}Code : Tout sélectionner
var spi_io = require("./spi_io.js");
var sensor = require("./sensor.js");
var rpio = require("rpio");
rpio.init({ gpiomem: false, mapping: 'gpio' });
rpio.spiBegin();
var mcp3208 = new spi_io.MCP3208(rpio, 0, 512);
var sensorAn = new sensor.ANALOG("./sensor.json", mcp3208);
var test = function () {
sensorAn.Read();
for (var i = 0; i < sensorAn.Channel.length; i++) {
var c = sensorAn.Channel[i];
console.log(c.Name + " " + c.Value + " " + c.Unite);
}
console.log("\r\n");
};
setInterval(test, 1000);
process.on('SIGINT', function () {
rpio.spiEnd();
process.exit();
});
Code : Tout sélectionner
var Spi_IO = {
MCP3208: function (rpio, cs, clk) {
this.Cs = cs;
this.Clk = clk;
this.Resolution = 12;
var adcResult = function (reg) {
rpio.spiTransfer(reg, reg, reg.length);
return reg;
};
this.ReadAll = function () {
rpio.spiSetClockDivider(this.Clk);
rpio.spiChipSelect(this.Cs);
var x = [];
var b = [];
for (i = 0; i < 8; i++) {
b = adcResult(Buffer([(i >> 2) + 6, i << 6 & 0xFF, 0x00]));
x[i] = ((b[1] & 0x0F) << 8) + b[2];
}
return x;
};
this.ReadChannel = function (channel) {
rpio.spiSetClockDivider(this.Clk);
rpio.spiChipSelect(this.Cs);
var b = adcResult(Buffer([(channel >> 2) + 6, channel << 6 & 0xFF, 0x00]));
return ((b[1] & 0x0F) << 8) + b[2];
};
}
};
module.exports = Spi_IO;Code : Tout sélectionner
// #region Declarations Web server
var express = require('express');
var ejs = require('ejs');
var basicauth = require('basic-auth-connect');
var app = express();
app.engine('html', ejs.renderFile);
app.set('views','./templates');
app.use(express.static('./'));
app.use('/public', express.static('./public/'));
app.use('/jquery', express.static('./node_modules/jquery/dist'));
app.use('/socket.io', express.static('./node_modules/socket.io-client/dist/'));
app.use(basicauth('bud', 'spencer'));
var httpserver = require('http').createServer(app);
var socket = require('socket.io').listen(httpserver);
// #endregion
// #region Declarations Digital/Analogic
var rpio = require("rpio");
rpio.init({ gpiomem: false, mapping: 'gpio' });
rpio.spiBegin();
var spi_io = require("./spi_io.js");
var sensor = require("./sensor.js");
var mcp3208 = new spi_io.MCP3208(rpio, 0, 512);
var sensorAn = new sensor.ANALOG("./sensor.json", mcp3208);
// #endregion
// #region Routes
app.get('/console', function (req, res) {
res.render("console.html");
});
app.get('/sensorAn', function (req, res) {
res.json(sensorAn);
});
// #endregion
// #region sokcet.io
socket.sockets.on("connection", function (client) {
console.log("Client connected from " + client.request.connection.remoteAddress);
client.emit("sensorAn", { sensorAn : sensorAn });
});
var test = function () {
sensorAn.Read();
var data = [];
for (var i = 0; i < sensorAn.Channel.length; i++) {
data[i] = sensorAn.Channel[i].Value;
}
socket.sockets.emit('sensorAn.value', { value : data });
};
// #endregion
process.on('SIGINT', function () {
rpio.spiEnd();
process.exit();
});
setInterval(test, 1000);
httpserver.listen(8080);
Code : Tout sélectionner
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<title>Console Datalogger</title>
</head>
<body>
<div id="console"></div>
<script src="/socket.io/socket.io.js"></script>
<script src="/jquery/jquery.js"></script>
<script>
var io = io.connect(location.host);
var sensorAn;
io.on('sensorAn.value', function (data) {
$("#console").text("");
for (var i = 0; i < data.value.length; i++) {
$("#console").append(
sensorAn.Channel[i].Name + " : " +
data.value[i] + " " +
sensorAn.Channel[i].Unite + "<br />"
);
}
});
io.on('sensorAn', function (data) {
sensorAn = data.sensorAn;
});
</script>
</body>
</html>