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Add debounce time to the to BBB input node

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Dave Conway-Jones
2016-02-02 12:36:27 +00:00
parent 7cb43208e6
commit ed4b6b18ec
3 changed files with 12 additions and 12 deletions
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18
hardware/BBB/145-BBB-hardware.js
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@@ -111,7 +111,7 @@ module.exports = function (RED) {
this.activeState = 1;
}
this.updateInterval = n.updateInterval*1000; // How often to send totalActiveTime messages
this.debounce = n.debounce; // Enable switch contact debouncing algorithm
this.debounce = n.debounce || null; // Enable switch contact debouncing algorithm
if (n.outputOn === "rising") {
this.activeEdges = [false, true];
} else if (n.outputOn === "falling") {
@@ -140,7 +140,7 @@ module.exports = function (RED) {
// Note: if x has an 'attached' field and no 'value' field, the callback is reporting
// the success or failure of attaching the interrupt - we must handle this
var interruptCallback = function (err, x) {
if (x.value === undefined) {
if (x === undefined) {
if (x.attached === true) {
node.interruptAttached = true;
node.on("input", inputCallback);
@@ -148,13 +148,13 @@ module.exports = function (RED) {
} else {
node.error("Failed to attach interrupt");
}
} else if (node.currentState !== Number(x.value)) {
} else if (node.currentState !== Number(x)) {
if (node.debounce) {
if (node.debouncing === false) {
node.debouncing = true;
node.debounceTimer = setTimeout(function () {
bonescript.digitalRead(node._pin, debounceCallback);
}, 7);
}, Number(node.debounce));
}
} else {
sendStateMessage(x);
@@ -168,7 +168,7 @@ module.exports = function (RED) {
var debounceCallback = function (err, x) {
node.debounceTimer = null;
node.debouncing = false;
if (x.value !== undefined && node.currentState !== Number(x.value)) {
if (x !== undefined && node.currentState !== Number(x)) {
sendStateMessage(x);
}
};
@@ -177,7 +177,7 @@ module.exports = function (RED) {
// have determined we have a 'genuine' change of state. Update the currentState and
// ActiveTime variables, and send a message on the first output with the new state
var sendStateMessage = function (x) {
node.currentState = Number(x.value);
node.currentState = Number(x);
var now = Date.now();
if (node.currentState === node.activeState) {
node.lastActiveTime = now;
@@ -249,7 +249,7 @@ module.exports = function (RED) {
if (!response) {
bonescript.digitalRead(node._pin, function (err, x) {
// Initialise the currentState and lastActiveTime variables based on the value read
node.currentState = Number(x.value);
node.currentState = Number(x);
if (node.currentState === node.activeState) {
node.lastActiveTime = Date.now();
}
@@ -296,7 +296,7 @@ module.exports = function (RED) {
// Note: if x has an 'attached' field and no 'value' field, the callback is reporting
// the success or failure of attaching the interrupt - we must handle this
var interruptCallback = function (x) {
if (x.value === undefined) {
if (x === undefined) {
if (x.attached === true) {
node.interruptAttached = true;
node.on("input", inputCallback);
@@ -345,7 +345,7 @@ module.exports = function (RED) {
if (!response) {
bonescript.digitalRead(node._pin, function (err, x) {
// Initialise the currentState based on the value read
node.currentState = Number(x.value);
node.currentState = Number(x);
// Attempt to attach an interrupt handler to the pin. If we succeed,
// set the input event and interval handlers
var interruptType;