Use bonescript and node.js to read from all analog pins on a BeagleBone

analog-read-all.js

/*
 *  analog-read-all.js
 *  Use bonescript and node.js to read from all analog pins on a BeagleBone
 *  Found in the wild:
 *  https://groups.google.com/forum/#!msg/beagleboard/rftH6aqyR5k/n7jQbCNAL3YJ
 */
 
var bb = require('./bonescript'); 
var sys = require('util'); 
var fs = require('fs'); 

// default path
ADCPATH = "/sys/bus/platform/devices/tsc/ain";

analogRead = function(pin) { 
    return fs.readFileSync(ADCPATH + (pin+1)); 
}; 

setup = function() {
}; 

loop = function() { 
    var i; 
    for( i = 0; i < 8; i++){ 
        sys.puts("adc" + i + " := " + analogRead(i)); 
    } 

    delay(1000); 
}; 

bb.run();