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Marcelo Dares
2025-12-08 15:20:28 -06:00
commit 1416478c9c
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153
node_modules/node-red-contrib-mcp23017chip/mcp23017chip/mcp23017chip.html generated vendored Normal file
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<!-- CHIP SECTION -->
<script type="text/javascript">
RED.nodes.registerType('mcp23017chip',{
category: 'config',
defaults: {
addr: {value:"0x20",required:true},
interval: {value:100,required:true},
},
label: function() {
return this.addr;
}
});
</script>
<script type="text/x-red" data-template-name="mcp23017chip">
<div class="form-row">
<label for="node-config-input-addr"><i class="icon-bookmark"></i> Address</label>
<select type="text" id="node-config-input-addr" style="width:70px;">
<option value="0x20">0x20</option>
<option value="0x21">0x21</option>
<option value="0x22">0x22</option>
<option value="0x23">0x23</option>
<option value="0x24">0x24</option>
<option value="0x25">0x25</option>
<option value="0x26">0x26</option>
<option value="0x27">0x27</option>
</select>
</div>
<div class="form-row">
<label for="node-config-input-interval"><i class="icon-bookmark"></i> Interval in ms</label>
<input type="number" id="node-config-input-interval">
</div>
</script>
<!-- INPUT SECTION -->
<script type="text/javascript">
RED.nodes.registerType('mcp23017input',{
category: 'input',
color: '#a6bbcf',
defaults: {
name: {value:""},
chip: {type:"mcp23017chip", required:true},
bitNum: {required:true},
pullUp: {value:true},
invert: {value:true},
debounce: {value:200},
onMsg: {value:true},
offMsg: {value:true}
},
inputs:0,
outputs:1,
icon: "file.png",
label: function() {
return this.name||"mcp23017input";
}
});
</script>
<script type="text/x-red" data-template-name="mcp23017input">
<div class="form-row">
<label for="node-input-name"><i class="icon-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-row">
<label for="node-input-chip"><i class="fa fa-globe"></i> Chip</label>
<input type="text" id="node-input-chip">
</div>
<div class="form-row">
<label for="node-input-bitNum"><i class="icon-tag"></i> Bit Number</label>
<input type="number" id="node-input-bitNum" placeholder="Bit Number">
</div>
<div class="form-row">
<label for="node-input-pullUp"><i class="icon-tag"></i> Pull Up</label>
<input type="checkbox" id="node-input-pullUp" placeholder="Pull Up">
</div>
<div class="form-row">
<label for="node-input-invert"><i class="icon-tag"></i> Invert</label>
<input type="checkbox" id="node-input-invert" placeholder="Invert">
</div>
<div class="form-row">
<label for="node-input-debounce"><i class="icon-tag"></i> Debounce Time</label>
<input type="number" id="node-input-debounce" placeholder="Debounce Time">
</div>
<div class="form-row">
<label for="node-input-onMsg"><i class="icon-tag"></i> On Msg</label>
<input type="checkbox" id="node-input-onMsg" placeholder="On Msg">
</div>
<div class="form-row">
<label for="node-input-offMsg"><i class="icon-tag"></i> Off Msg</label>
<input type="checkbox" id="node-input-offMsg" placeholder="Off Msg">
</div>
</script>
<script type="text/x-red" data-help-name="mcp23017input">
<p>MCP23017 has 16 pins - can be individually selected as in or out</p>
<p> The MCP23017Chip node manages the chip (all 16 i/o). This node has the interval to keep reading the input buffer</p>
<p> The Bit or pin individually can set the pull-up and inverton on the chip. The On/Off Msg checkboxs are used to allow messages on change. The status will change anyway regardless of the on/off msg </p>
<p> The debounce sets the time required for a state to be steady before changing the status and sending a message</p>
</script>
<!-- OUTPUT SECTION -->
<script type="text/javascript">
RED.nodes.registerType('mcp23017output',{
category: 'output',
color: '#a6bbcf',
defaults: {
name: {value:""},
chip: {type:"mcp23017chip", required:true},
bitNum: {required:true},
invert: {value:true}
},
inputs:1,
outputs:1,
icon: "file.png",
label: function() {
return this.name||"mcp23017output";
}
});
</script>
<script type="text/x-red" data-template-name="mcp23017output">
<div class="form-row">
<label for="node-input-name"><i class="icon-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<div class="form-row">
<label for="node-input-chip"><i class="fa fa-globe"></i> Chip</label>
<input type="text" id="node-input-chip">
</div>
<div class="form-row">
<label for="node-input-bitNum"><i class="icon-tag"></i> Bit Number</label>
<input type="number" id="node-input-bitNum" placeholder="Bit Number">
</div>
<div class="form-row">
<label for="node-input-invert"><i class="icon-tag"></i> Invert</label>
<input type="checkbox" id="node-input-invert" placeholder="Invert">
</div>
</script>
<script type="text/x-red" data-help-name="mcp23017ouput">
<p>MCP23017 has 16 pins - can be individually selected as in or out</p>
<p> The MCP23017Chip node manages the chip (all 16 i/o) mainly for the input monitoring</p>
<p> The message to the output requires a payload. If the payload is true then it turns on</p>
<p> Topic (and any other part) is ignored</p>
</script>

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node_modules/node-red-contrib-mcp23017chip/mcp23017chip/mcp23017chip.js generated vendored Normal file
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// CHIP SECTION - For inputs this reads the chip and fires the input module
module.exports = function(RED) {
var i2cBus = require("i2c-bus");
function mcp23017chipNode(n) {
RED.nodes.createNode(this,n);
this.addr = parseInt(n.addr, 16);
this.interval = n.interval;
this.isInputs = 0x0000;
this.pullUps = 0x0000;
this.inverts = 0x0000;
this.ids = new Array(16);
this.lastRead = 0x0000;
this.lastWrite = 0x0000;
this.i2c1 = i2cBus.openSync(1);
this.i2c1.writeByteSync(this.addr, 0x0A, 0x00); //set mode iocan bank
this.setBit = function(bitNum, isInput, pullUp, invert, id){
for (var i=0; i < 16; i++){//NEED TO REMOVE ANY OTHER REFERENCES TO THIS ID
if (this.ids[i] == id) {this.ids[i] = null;}
}
this.ids[bitNum] = id;
if (isInput) {this.isInputs = this.isInputs | (1<<bitNum)} else {this.isInputs = this.isInputs & ~(1<<bitNum)};
if (pullUp) {this.pullUps = this.pullUps | (1<<bitNum)} else {this.pullUps = this.pullUps & ~(1<<bitNum)};
if (invert) {this.inverts = this.inverts | (1<<bitNum)} else {this.inverts = this.inverts & ~(1<<bitNum)};
this.i2c1.writeByteSync(this.addr, 0x00, this.isInputs & 0xFF);//update in out mode A
this.i2c1.writeByteSync(this.addr, 0x01, (this.isInputs >> 8) & 0xFF);//update in out mode B
this.i2c1.writeByteSync(this.addr, 0x0C, this.pullUps & 0xFF); //update pull up A
this.i2c1.writeByteSync(this.addr, 0x0D, (this.pullUps >> 8) & 0xFF); //update pull up B
this.i2c1.writeByteSync(this.addr, 0x02, this.inverts & 0xFF); //update pull up A
this.i2c1.writeByteSync(this.addr, 0x03, (this.inverts >> 8) & 0xFF); //update pull up B
}
this.setOutput = function(bitNum, newState){
if (newState){
this.lastWrite = this.lastWrite | 1 << bitNum;
} else {
this.lastWrite = this.lastWrite & ~ (1 << bitNum);
}
if (bitNum < 8) {
this.i2c1.writeByteSync(this.addr, 0x14, this.lastWrite & 0xFF); //Set output A
} else {
this.i2c1.writeByteSync(this.addr, 0x15, (this.lastWrite >> 8) & 0xFF); //Set output B
}
}
var myVar = setInterval(myTimer, this.interval, this );
function myTimer(theChip) {
var ipA = theChip.i2c1.readByteSync(theChip.addr, 0x12);
var ipB = theChip.i2c1.readByteSync(theChip.addr, 0x13);
var ipAll = ipA + (ipB << 8);
if (ipAll != theChip.lastRead){
var diffWord = ipAll ^ theChip.lastRead;
for (var i=0; i < 16; i++){
if (diffWord & (1 << i)){
var newState = (((ipAll & (1 << i)) == 0) ? false : true)
var aBit = RED.nodes.getNode(theChip.ids[i]);
if (aBit != null && (theChip.isInputs & (1 << i)) > 0){ // check bit is used and is an input
aBit.changed(newState);
}
}
}
theChip.lastRead = ipAll;
}
}
this.on('close', function() {
this.i2c1.closeSync();
});
}
RED.nodes.registerType("mcp23017chip",mcp23017chipNode);
//INPUT SECTION
function mcp23017inputNode(config) {
RED.nodes.createNode(this,config);
var node = this;
this.addr = config.addr;
this.bitNum = config.bitNum;
this.pullUp = config.pullUp;
this.invert = config.invert;
this.debounce = config.debounce;
this.onMsg = config.onMsg;
this.offMsg = config.offMsg;
this.timerRunning = false;
this.timer = 0;
this.lastState = false;
this.myChip = RED.nodes.getNode(config.chip);
this.myChip.setBit(this.bitNum, true, this.pullUp, this.invert, this.id);
this.changed = function(state) {
if (this.timerRunning){
clearTimeout(this.timer);
}
this.timer = setTimeout(this.deBounceEnd, this.debounce, state, this);
this.timerRunning = true;
}
this.deBounceEnd = function(state, theBit){
theBit.timerRunning = false;
if (theBit.lastState != state){
var msg = {};
msg.payload = state;
if ((state && theBit.onMsg) || (! state && theBit.offMsg)){
node.send(msg);
}
theBit.lastState = state
if (state){
theBit.status({fill:"red",shape:"ring",text:"off"});
}else{
theBit.status({fill:"green",shape:"dot",text:"on"});
}
}
}
}
RED.nodes.registerType("mcp23017input",mcp23017inputNode);
//OUTPUT SECTION
function mcp23017outputNode(config) {
RED.nodes.createNode(this,config);
var node = this;
this.addr = config.addr;
this.bitNum = config.bitNum;
this.invert = config.invert;
this.myChip = RED.nodes.getNode(config.chip);
this.myChip.setBit(this.bitNum, false, this.pullUp, this.invert, this.id);
this.on('input', function(msg) {
this.myChip.setOutput(this.bitNum, msg.payload)
if (msg.payload){
this.status({fill:"red",shape:"ring",text:"off"});
}else{
this.status({fill:"green",shape:"dot",text:"on"});
}
});
}
RED.nodes.registerType("mcp23017output",mcp23017outputNode);
}