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Fix arduino nodes servo/pwm output to reduce jitter

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to close #584
This commit is contained in:
Dave Conway-Jones
2019-10-22 22:05:49 +01:00
parent 04daa5b97e
commit ca88faa7ca
2 changed files with 8 additions and 8 deletions
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14
hardware/Arduino/35-arduino.js
View File

@@ -76,9 +76,11 @@ module.exports = function(RED) {
node.status({fill:"grey",shape:"ring",text:"node-red:common.status.connecting"});
var doit = function() {
node.running = true;
if (node.state === "ANALOG") { node.board.pinMode(node.pin, 0x02); }
if (node.state === "INPUT") { node.board.pinMode(node.pin, 0x00); }
if (node.state === "PULLUP") { node.board.pinMode(node.pin, 0x0B); }
node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
if (node.state === "ANALOG") {
node.board.pinMode(node.pin, 0x02);
node.board.analogRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
@@ -87,7 +89,6 @@ module.exports = function(RED) {
});
}
if (node.state === "INPUT") {
node.board.pinMode(node.pin, 0x00);
node.board.digitalRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
@@ -96,7 +97,6 @@ module.exports = function(RED) {
});
}
if (node.state === "PULLUP") {
node.board.pinMode(node.pin, 0x0B);
node.board.digitalRead(node.pin, function(v) {
if (v !== node.oldval) {
node.oldval = v;
@@ -149,11 +149,13 @@ module.exports = function(RED) {
node.status({fill:"grey",shape:"ring",text:"node-red:common.status.connecting"});
var doit = function() {
node.running = true;
if (node.state === "OUTPUT") { node.board.pinMode(node.pin, 0x01); }
if (node.state === "PWM") { node.board.pinMode(node.pin, 0x03); }
if (node.state === "SERVO") { node.board.pinMode(node.pin, 0x04); }
node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
node.on("input", function(msg) {
if (node.board.isReady) {
if (node.state === "OUTPUT") {
node.board.pinMode(node.pin, 0x01);
if ((msg.payload === true)||(msg.payload.toString() == "1")||(msg.payload.toString().toLowerCase() == "on")) {
node.board.digitalWrite(node.pin, node.board.HIGH);
}
@@ -161,15 +163,13 @@ module.exports = function(RED) {
node.board.digitalWrite(node.pin, node.board.LOW);
}
}
if (node.state === "PWM") {
node.board.pinMode(node.pin, 0x03);
if (node.state === "PWM") {
msg.payload = parseInt((msg.payload * 1) + 0.5);
if ((msg.payload >= 0) && (msg.payload <= 255)) {
node.board.analogWrite(node.pin, msg.payload);
}
}
if (node.state === "SERVO") {
node.board.pinMode(node.pin, 0x04);
msg.payload = parseInt((msg.payload * 1) + 0.5);
if ((msg.payload >= 0) && (msg.payload <= 180)) {
node.board.servoWrite(node.pin, msg.payload);

2
hardware/Arduino/package.json
View File

@@ -1,6 +1,6 @@
{
"name" : "node-red-node-arduino",
"version" : "0.2.3",
"version" : "0.2.4",
"description" : "A Node-RED node to talk to an Arduino running firmata",
"dependencies" : {
"firmata" : "^2.0.0"