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Multiple 1-wire-buses #12

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leofuehringer opened this issue Oct 16, 2021 · 0 comments
Open

Multiple 1-wire-buses #12

leofuehringer opened this issue Oct 16, 2021 · 0 comments

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@leofuehringer
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leofuehringer commented Oct 16, 2021

Hi,
I would like to use two 1-wire-buses. That means, that sensors are stored in the file /sys/bus/w1/devices/w1_bus_master**1**/w1_master_slaves and /sys/bus/w1/devices/w1_bus_master**2**/w1_master_slaves

I tried to change the /home/pi/.node-red/node_modules/ds18b20/lib/ds18b20.js file but it won't work. This are my first steps with node-js... Can anybody help me?

var W1_FILE = '/sys/bus/w1/devices/w1_bus_master1/w1_master_slaves';
var W2_FILE = '/sys/bus/w1/devices/w1_bus_master2/w1_master_slaves';
var sensorsW1;
var sensorsW2;
var sensorsAll;

[...........]

// Get all connected sensor IDs as array
// @param callback(err, array)
function sensors(callback) {
  sensorsW1 =  fs.readFileSync(W1_FILE, 'utf8', function(err, data) {
    if (err) {
      return callback(err);
    }

    var parts = data.split('\n');
    parts.pop();
    return parts;
  });

  sensorsW2 =  fs.readFileSync(W2_FILE, 'utf8', function(err, data) {
    if (err) {
      return callback(err);
    }

    var parts = data.split('\n');
    parts.pop();
    return parts;
  });
return callback(null, sensorsW1);
}
module.exports.sensors = sensors;

Tanks,
Leo

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