johnty

private Handler handler = new Handler();

//trigger next event.
handler.postDelayed(runnable, SAMPLE_INTERVAL_MS);


private Runnable runnable = new Runnable() {
		//this class deals with generating periodic events,
		// to emulate the incoming "midi messages" from device
		// at a given rate

johnty

//
// mapper.c
// a maxmsp and puredata external encapsulating the functionality of libmapper
// http://www.idmil.org/software/libmapper
// Joseph Malloch, IDMIL 2010
//
// This software was written in the Input Devices and Music Interaction
// Laboratory at McGill University in Montreal, and is copyright those
// found in the AUTHORS file.  It is licensed under the GNU Lesser Public
// General License version 2.1 or later.  Please see COPYING for details.

johnty

        int portInIndex = -1;
	int portOutIndex = -1;

	// print input ports to console
	midiIn.listPorts(); // via instance
	//ofxMidiIn::listPorts(); // via static as well
	if (midiIn.getNumPorts()) {
	    for (int i=0; i<midiIn.getNumPorts(); i++) {
            string pname = midiIn.getPortName(i);
            if (ofStringTimesInString(pname, "ICubeX")) {

johnty

gpio load spi
while true;
do
   gpio -x mcp3004:200:0 aread 200; #reads first channel of ADC; aread 201 reads 2nd channel, etc.
done

johnty

while true; do
  echo -n memfree: "`free -m | head -2 | tail -1 | awk '{print $4}'` ";
  echo -ne  swap used: "`cat /proc/swaps | tail -1 | awk '{print $4}'` \r";
  sleep 1;
done

johnty

[{"id":"c2c6477f.a696e8","type":"midi","z":"29801501.b12f9a","name":"MIDI In","filtermessage":"","port":"1","x":72,"y":42,"wires":[["a8489adb.12f6c8"]]},{"id":"a8489adb.12f6c8","type":"template","z":"29801501.b12f9a","name":"grab midi msg","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"{{payload.message}}","x":139,"y":90,"wires":[["6a918548.45b34c"]]},{"id":"6a918548.45b34c","type":"csv","z":"29801501.b12f9a","name":"","sep":",","hdrin":"","hdrout":"","multi":"one","ret":"\\n","temp":"","x":217,"y":41,"wires":[["cc1b3fe4.be9cc","7a9da23f.8e6a2c","fbdad48.cbcff28"]]},{"id":"cc1b3fe4.be9cc","type":"template","z":"29801501.b12f9a","name":"col1","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"{{payload.col1}}","x":319,"y":83,"wires":[["b7bcfdb6.33e0f"]]},{"id":"7a9da23f.8e6a2c","type":"template","z":"29801501.b12f9a","name":"col2","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"{{payload.

johnty

[{"id":"8bc3934b.dec0c","type":"mcp3008","z":"bc7ea069.67a99","name":"","device":"/dev/spidev0.0","mode":"0x80","interval":"25","x":319,"y":156,"wires":[["941e2650.e518a8","178087e.871bf78"]]},{"id":"da077c2f.9bf43","type":"inject","z":"bc7ea069.67a99","name":"","topic":"","payload":"start","payloadType":"str","repeat":"","crontab":"","once":true,"x":93,"y":72,"wires":[["8916983b.311a48"]]},{"id":"d1ea8f0e.568af","type":"inject","z":"bc7ea069.67a99","name":"","topic":"","payload":"stop","payloadType":"str","repeat":"","crontab":"","once":false,"x":93.5,"y":37,"wires":[["8916983b.311a48"]]},{"id":"941e2650.e518a8","type":"debug","z":"bc7ea069.67a99","name":"","active":false,"console":"false","complete":"false","x":541,"y":156,"wires":[]},{"id":"178087e.871bf78","type":"ui_slider","z":"bc7ea069.67a99","tab":"e3257868.dcaa18","name":"Push","topic":"","group":"","order":1,"min":0,"max":"1023","x":527,"y":212,"wires":[["f2ec0099.fbb4c"]]},{"id":"b618b17a.ef5bb","type":"ui_gauge","z":"bc7ea069.67a99","tab":"e325786

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// instructions:
// 1.) install node.js and npm
// 2.) put this file in a folder
// 3.) go to this folder in terminal, and install ffi and ref using 'npm install ...'
// 4.) execute by typing `node node-ffi-mapper.js`
//
// note: refers explicitly to libmapper-0.2.dylib so make sure it is on the path!

var ref = require('ref');
var ffi = require('ffi');

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// Import Express
var express = require("express");
var app = express();
// Import Cors: cross origin resource
var cors = require("cors");
app.use(cors());

// Import Mongoose
var mongoose = require("mongoose");

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MAX=1700
MID=1500
MIN=1200

sudo pigpiod
pigs pfs 18 50		# set pwm freq to 50 hz on BCM18
pigs servo 18 $MID   	# set servo pulsewidth to MID us on BCM18
sleep 1
pigs servo 18 $MIN     # set servo pulsewidth to MIN on BCM18