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Add warning to Arduino node (as underlying firmata won't allow pins to be both inputas and outputs at the same time)

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This commit is contained in:
Dave C-J 2013-10-16 19:04:32 +01:00
parent f3ec90eee0
commit f3040ae95c
2 changed files with 166 additions and 154 deletions
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2
nodes/hardware/35-arduino.html
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@ -33,6 +33,7 @@
<label for="node-input-name"><i class="icon-tag"></i> Name</label> <label for="node-input-name"><i class="icon-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name"> <input type="text" id="node-input-name" placeholder="Name">
</div> </div>
<div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div>
</script> </script>
<script type="text/x-red" data-help-name="arduino in"> <script type="text/x-red" data-help-name="arduino in">
@ -87,6 +88,7 @@
<label for="node-input-name"><i class="icon-tag"></i> Name</label> <label for="node-input-name"><i class="icon-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name"> <input type="text" id="node-input-name" placeholder="Name">
</div> </div>
<div class="form-tips"><b>Note:</b> You cannot use the same pin for both output and input.</div>
</script> </script>
<script type="text/x-red" data-help-name="arduino out"> <script type="text/x-red" data-help-name="arduino out">

16
nodes/hardware/35-arduino.js
View File

@ -19,6 +19,7 @@ var util = require("util");
var firmata = require("firmata"); var firmata = require("firmata");
var arduinoReady = false; var arduinoReady = false;
var thisboard = null; var thisboard = null;
var pins = [];
// The Board Definition - this opens (and closes) the connection // The Board Definition - this opens (and closes) the connection
function ArduinoNode(n) { function ArduinoNode(n) {
@ -33,7 +34,7 @@ function ArduinoNode(n) {
if (thisboard == null) { if (thisboard == null) {
node.board = new firmata.Board(node.device, function(err) { node.board = new firmata.Board(node.device, function(err) {
if (err) { if (err) {
console.log("[firmata] error: ",err); util.log("[firmata] error: "+err);
return; return;
} }
arduinoReady = true; arduinoReady = true;
@ -74,6 +75,10 @@ function DuinoNodeIn(n) {
this.state = n.state; this.state = n.state;
this.arduino = n.arduino; this.arduino = n.arduino;
this.serverConfig = RED.nodes.getNode(this.arduino); this.serverConfig = RED.nodes.getNode(this.arduino);
if (pins.indexOf(this.pin) > -1) {
this.error("Arduino pin being used more than once");
}
else pins.push(this.pin);
if (typeof this.serverConfig === "object") { if (typeof this.serverConfig === "object") {
this.board = this.serverConfig.board; this.board = this.serverConfig.board;
this.repeat = this.serverConfig.repeat; this.repeat = this.serverConfig.repeat;
@ -84,7 +89,7 @@ function DuinoNodeIn(n) {
node.board = thisboard; node.board = thisboard;
clearInterval(node.toui); clearInterval(node.toui);
node.toui = false; node.toui = false;
//console.log(node.state,node.pin,node.board.MODES[node.state]); //console.log("i",node.state,node.pin,node.board.MODES[node.state]);
node.board.pinMode(node.pin, node.board.MODES[node.state]); node.board.pinMode(node.pin, node.board.MODES[node.state]);
node.board.setSamplingInterval(node.repeat); node.board.setSamplingInterval(node.repeat);
var oldrdg = ""; var oldrdg = "";
@ -128,6 +133,10 @@ function DuinoNodeOut(n) {
this.pin = n.pin; this.pin = n.pin;
this.state = n.state; this.state = n.state;
this.arduino = n.arduino; this.arduino = n.arduino;
if (pins.indexOf(this.pin) > -1) {
this.error("Arduino pin being used more than once");
}
else pins.push(this.pin);
this.serverConfig = RED.nodes.getNode(this.arduino); this.serverConfig = RED.nodes.getNode(this.arduino);
if (typeof this.serverConfig === "object") { if (typeof this.serverConfig === "object") {
this.board = this.serverConfig.board; this.board = this.serverConfig.board;
@ -135,7 +144,7 @@ function DuinoNodeOut(n) {
this.on("input", function(msg) { this.on("input", function(msg) {
//console.log(msg); //console.log(msg);
if (thisboard != null) { if (node.board != null) {
if (node.state == "OUTPUT") { if (node.state == "OUTPUT") {
if ((msg.payload == true)||(msg.payload == 1)||(msg.payload.toString().toLowerCase() == "on")) { if ((msg.payload == true)||(msg.payload == 1)||(msg.payload.toString().toLowerCase() == "on")) {
node.board.digitalWrite(node.pin, node.board.HIGH); node.board.digitalWrite(node.pin, node.board.HIGH);
@ -167,6 +176,7 @@ function DuinoNodeOut(n) {
clearInterval(node.touo); clearInterval(node.touo);
node.touo = false; node.touo = false;
node.board = thisboard; node.board = thisboard;
//console.log("o",node.state,node.pin,node.board.MODES[node.state]);
node.board.pinMode(node.pin, node.board.MODES[node.state]); node.board.pinMode(node.pin, node.board.MODES[node.state]);
} }
else { util.log("[firmata] waiting for arduino to connect"); } else { util.log("[firmata] waiting for arduino to connect"); }