@ralphwetzel/node-red-ds2482-mcu/ds2482.html

DS2482 I2C 1-Wire Master controller for Node-RED w/ MCU support

<!--

  This HMI of this node is based on node-red-contrib-owfs
  https://github.com/njh/node-red-contrib-owfs/blob/main/owfs.html

  /***
  Copyright 2014-2016 Nicholas Humfrey
  Copyright 2013 IBM Corp.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  ***/

  Adaptations to node-red-mcu by @ralphwetzel
  https://github.com/ralphwetzel/node-red-ds2482-mcu
  License: MIT

-->

<script type="text/javascript" src="resources/@ralphwetzel/node-red-ds2482-mcu/date-and-time/date-and-time.min.js"></script>

<script type="text/x-red" data-template-name="ds2482">
    <div class="form-row">
        <label for="node-input-controller"><i class="icon-globe"></i> Controller</label>
        <input id="node-input-controller" />
    </div>
    <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-mode"><i class="icon-resize-horizontal"></i> Mode</label>
        <select id="node-input-mode" style="width:70%">
            <option value="read">Read</option>
            <option value="write">Write</option>
            <!-- <option value="presence">Presence</option> -->
        </select>
    </div>
<!--
    <div class="form-row">
        <label>&nbsp;</label>
        <input type="checkbox" id="node-input-uncached" value="true" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-input-uncached" style="width: 70%;">Request Uncached Values</label>
    </div>
-->

    <div class="form-row" style="margin-top: 25px">
        <div class="btn-group">
            <a class="btn btn-mini dropdown-toggle" data-toggle="dropdown" href="#"><i class="icon-align-justify"></i> Select <span class="caret"></span></a>
            <ul class="dropdown-menu">
                <li><a id='node-input-select-none' href="#">None</a></li>
                <li><a id='node-input-select-all' href="#">All</a></li>
                <li><a id='node-input-select-temperature' href="#">All Temperature</a></li>
                <li><a id='node-input-select-humidity' href="#">All Humidity</a></li>
            </ul>
        </div>
        <a class="btn btn-mini" id="node-input-refresh-paths" href="#"><i class="icon-refresh"></i> Refresh</a>
        <span id="owfs-status" style="position: absolute; right: 20px"><small></small></span>
    </div>

    <div class="form-row">
        <div id="node-input-paths-container-div" style="border-radius: 5px; height: 370px; padding: 5px; border: 1px solid #ccc; overflow-y:scroll;">
        <ol id="node-input-paths-container" style="list-style-type:none; margin: 0;">
        </ol>
        </div>
    </div>
</script>

<script type="text/x-red" data-help-name="ds2482">
    <p>A node for talking to <a href="http://www.maximintegrated.com/en/products/comms/one-wire.html" target="_new">1-wire</a> devices using a DS2482 I2C 1-Wire bridge.</p>
    <p>One or more device paths can be selected in the node edit dialog. Upon receiving a message on the input the node, it will request each of the values in turn from the bridge and places the reading in <b>msg.payload</b>.</p>
    <p>Alternatively a device path can be specified in the <b>msg.topic</b> field, for example <code>28.0080BE21AA00/temperature</code>. This will override any paths selected in the edit dialog.</p>
    <p>To trigger reading sensors periodically, use an Inject node to send messages every X seconds.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('ds2482',{
        category: 'MCU',
        defaults: {
            name: {value:""},
            // uncached: {value:false},
            mode: {value:"read",validate:RED.validators.regex(/^read|write|presence$/)},
            controller: {value: "", type: 'ds2482controller'},
            paths: {value:[]}
        },
        color:"#C0DEED",
        inputs:1,
        outputs:1,
        icon: "1w.png",
        label: function() {
            let label = this.name||"DS2482";
            if (this.mode == "read") {
                label = `${label} >`
            } else if (this.mode == "write") {
                label = `> ${label}`
            }
            return label;
        },
        paletteLabel: function() {
            return "DS2482";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            function generateRow(i,path) {
                var container = $('<li/>',{style:"margin:0; padding:8px 0px; border-bottom: 1px solid #ccc;"});
                var row = $('<div/>',{class:"node-input-path-row"}).appendTo(container);
                var row2 = $('<div/>',{style:"padding-top: 5px;"}).appendTo(container);

                var checkBox = $('<input/>',{id:"node-input-path-cb"+i,type:"checkbox",style:"margin: 5px; width: auto"}).appendTo(row);
                checkBox.data('path', path);
                var pathField = $('<label/>',{for:"node-input-path-cb"+i,style:"width:auto"}).text(path).appendTo(row);
                $("#node-input-paths-container").append(container);
            }

            var node = this;
            function refreshPaths(currentPaths) {

                if (!node.controller) {
                    $('#owfs-status small').html("Controller definition missing.");
                    return;
                } else {
                    $('#owfs-status small').html("Connecting...");
                }

                params = {
                    "id": node.id,
                    "controller": node.controller
                }

                $("#node-input-paths-container").empty();
                $.getJSON("ds2482/search?"+$.param(params)).done(function(data) {

                    if (data['error']) {
                        $('#owfs-status small').html("Error: "+data['error']);
                    } else {
                        if (data["id"] == node.controller) {
                            update_paths_container(data["paths"], currentPaths, data["stamp"]);
                        }
                    }

                }).fail(function(jqxhr) {
                    if (jqxhr.status == 0) {
                        $('#owfs-status small').html("Failed to connect to Node-RED");
                    } else {
                        $('#owfs-status small').html(jqxhr.status+": "+jqxhr.statusText);
                    }
                });
            };

            function update_paths_container(updatedPaths, currentPaths, stamp) {

                stamp = stamp ? new Date(stamp * 1000) : new Date();

                let devices = {};
                for (let i=0, l=updatedPaths.length; i<l; i++) {
                    let pp = updatedPaths[i].split("/");
                    if (pp.length > 0) {
                        let d = pp[0];
                        if (d[0] == "/") {
                            d = d.substring(1);
                        }

                        if (devices[d]) {
                            devices[d] += 1;
                        } else {
                            devices[d] = 1;
                        }
                    }
                }

                $.each(updatedPaths, generateRow);
                $('#node-input-paths-container input:checkbox').each( function() {
                    var checkbox = $(this);
                    if ($.inArray(checkbox.data('path'), currentPaths) != -1) {
                        checkbox.prop('checked', true);
                    }
                });

                let dev_count = Object.keys(devices).length

                if (dev_count > 0) {
                    $('#owfs-status small').html(dev_count + " devices @ " + date.format(stamp, 'YYYY/MM/DD HH:mm:ss') );
                } else {
                    $('#owfs-status small').html("No 1-wire devices found.");
                }
            }

            RED.comms.subscribe("ds2482/pathupdate", function (topic, msg) {
                let id = msg?.id;
                if (id == node.controller) {
                    let currentPaths = $('#node-input-paths-container input:checked').map( function() {
                        return $(this).data('path');
                    });
                    update_paths_container(msg.paths, currentPaths, msg.stamp);
                }
            });

            function switchDialogResize(ev,ui) {
                console.log(ui.size.height);
                $("#node-input-paths-container-div").css("height",(ui.size.height-190)+"px");
            };

            $( "#dialog" ).on("dialogresize", switchDialogResize);
            $( "#dialog" ).one("dialogopen", function(ev) {
                var size = $( "#dialog" ).dialog('option','sizeCache-switch');
                if (size) {
                    switchDialogResize(null,{size:size});
                }
            });
            $( "#dialog" ).one("dialogclose", function(ev,ui) {
                $( "#dialog" ).off("dialogresize",switchDialogResize);
            });

            $("#node-input-refresh-paths").click( function() {
                var currentPaths = $('#node-input-paths-container input:checked').map( function() {
                    return $(this).data('path');
                });
                refreshPaths(currentPaths);
            });

            $("#node-input-select-none").click( function() {
                $('#node-input-paths-container input:checked').each( function() {
                    $(this).prop('checked', false);
                });
            });

            $("#node-input-select-all").click( function() {
                $('#node-input-paths-container input:checkbox').each( function() {
                    $(this).prop('checked', true);
                });
            });

            function checkPathsMatching(regexp) {
                $('#node-input-paths-container input:checkbox').each( function() {
                    var checkbox = $(this);
                    if (checkbox.data('path').match(regexp)) {
                        checkbox.prop('checked', true);
                    }
                });
            }

            $("#node-input-select-temperature").click( function() {
                checkPathsMatching(/\/temperature$/);
            });

            $("#node-input-select-humidity").click( function() {
                checkPathsMatching(/\/humidity$/);
            });

            refreshPaths(this.paths);
        },
        oneditsave: function() {
            this.paths = $('#node-input-paths-container input:checked').map( function() {
                return $(this).data('path');
            }).toArray();
        },
    });
</script>

<script type="text/x-red" data-template-name="ds2482controller">
    <div class="form-row">
        <label for="node-config-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-config-input-name" placeholder="Name" />
    </div>

    <div class="form-row">
        <label for="node-config-input-data"><i class="icon-tag"></i> I2C: Data</label>
        <input type="number" id="node-config-input-data" placeholder="GPIO Pin#" />
    </div>

    <div class="form-row">
        <label for="node-config-input-clock"><i class="icon-tag"></i> I2C: Clock</label>
        <input type="number" id="node-config-input-clock" placeholder="GPIO Pin#" />
    </div>


    <div class="form-row">
        <label for="node-config-input-hz"><i class="icon-tag"></i> I2C: Speed</label>
        <input type="number" id="node-config-input-hz" placeholder="Hz" />
    </div>

    <div class="form-row">
        <label for="node-config-input-address"><i class="icon-tag"></i> I2C: Address</label>
        <input type="number" id="node-config-input-address" placeholder="I2C address of the DS2482" />
    </div>

<!--
    <div class="form-row" style="margin-top: 25px">
        <div class="btn-group">
            <a class="btn btn-mini dropdown-toggle" data-toggle="dropdown" href="#"><i class="icon-align-justify"></i> Select <span class="caret"></span></a>
            <ul class="dropdown-menu">
                <li><a id='node-input-select-none' href="#">None</a></li>
                <li><a id='node-input-select-all' href="#">All</a></li>
                <li><a id='node-input-select-temperature' href="#">All Temperature</a></li>
                <li><a id='node-input-select-humidity' href="#">All Humidity</a></li>
            </ul>
        </div>
        <a class="btn btn-mini" id="node-input-refresh-paths" href="#"><i class="icon-refresh"></i> Refresh</a>
        <span id="owfs-status"><small></small></span>
    </div>
    <div class="form-row">
        <div id="node-input-paths-container-div" style="border-radius: 5px; height: 310px; padding: 5px; border: 1px solid #ccc; overflow-y:scroll;">
        <ol id="node-input-paths-container" style="list-style-type:none; margin: 0;">
        </ol>
        </div>
    </div>
    
-->
</script>

<script type="text/x-red" data-help-name="ds2482controller">
    <p>A node to control a DS2482 I2C 1-Wire bridge.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('ds2482controller',{
        category: 'config',
        defaults: {
            name: {value:""},
            data: {value: "", required: true, validate:RED.validators.number()},
            clock: {value: "", required: true, validate:RED.validators.number()},
            hz: { value: "400000", validate:RED.validators.number()},
            stop: { value: true},
            timeout: { value: 50 },
            address: { value: "", required: true, validate:RED.validators.number()}
        },
        label: function() {
            return this.name||"DS2482 @ #" + this.data + "/#" + this.clock + ": 0x" + parseInt(this.address).toString(16);
        },
        paletteLabel: function() {
            return "DS2482 Controller";
        },
        // oneditprepare: function() {
        //     function generateRow(i,path) {
        //         var container = $('<li/>',{style:"margin:0; padding:8px 0px; border-bottom: 1px solid #ccc;"});
        //         var row = $('<div/>',{class:"node-input-path-row"}).appendTo(container);
        //         var row2 = $('<div/>',{style:"padding-top: 5px;"}).appendTo(container);

        //         var checkBox = $('<input/>',{id:"node-input-path-cb"+i,type:"checkbox",style:"margin: 5px; width: auto"}).appendTo(row);
        //         checkBox.data('path', path);
        //         var pathField = $('<label/>',{for:"node-input-path-cb"+i,style:"width:auto"}).text(path).appendTo(row);
        //         $("#node-input-paths-container").append(container);
        //     }

        //     var node = this;
        //     function refreshPaths(currentPaths) {
        //         var params = {
        //             "host": $('#node-input-host').val(),
        //             "port": $('#node-input-port').val()
        //         };

        //         if (!params['host']) {
        //             $('#owfs-status small').html("No host set");
        //             return;
        //         } else if (!params['port']) {
        //             $('#owfs-status small').html("No port set");
        //             return;
        //         } else {
        //             $('#owfs-status small').html("Connecting...");
        //         }

        //         $("#node-input-paths-container").empty();
        //         $.getJSON("owfs/dirall?"+$.param(params)).done(function(data) {
        //             if (data['error']) {
        //                 $('#owfs-status small').html("Error: "+data['error']);
        //             } else if (data['deviceCount'] > 0) {
        //                 $.each(data["paths"], generateRow);
        //                 $('#node-input-paths-container input:checkbox').each( function() {
        //                     var checkbox = $(this);
        //                     if ($.inArray(checkbox.data('path'), currentPaths) != -1) {
        //                         checkbox.prop('checked', true);
        //                     }
        //                 });
        //                 $('#owfs-status small').html("Successfully read "+data["deviceCount"]+" devices.");
        //             } else {
        //                 $('#owfs-status small').html("No 1-wire devices found.");
        //             }
        //         }).fail(function(jqxhr) {
        //             if (jqxhr.status == 0) {
        //                 $('#owfs-status small').html("Failed to connect to Node-RED");
        //             } else {
        //                 $('#owfs-status small').html(jqxhr.status+": "+jqxhr.statusText);
        //             }
        //         });
        //     };

        //     function switchDialogResize(ev,ui) {
        //         $("#node-input-paths-container-div").css("height",(ui.size.height-260)+"px");
        //     };

        //     $( "#dialog" ).on("dialogresize", switchDialogResize);
        //     $( "#dialog" ).one("dialogopen", function(ev) {
        //         var size = $( "#dialog" ).dialog('option','sizeCache-switch');
        //         if (size) {
        //             switchDialogResize(null,{size:size});
        //         }
        //     });
        //     $( "#dialog" ).one("dialogclose", function(ev,ui) {
        //         $( "#dialog" ).off("dialogresize",switchDialogResize);
        //     });

        //     $("#node-input-refresh-paths").click( function() {
        //         var currentPaths = $('#node-input-paths-container input:checked').map( function() {
        //             return $(this).data('path');
        //         });
        //         refreshPaths(currentPaths);
        //     });

        //     $("#node-input-select-none").click( function() {
        //         $('#node-input-paths-container input:checked').each( function() {
        //             $(this).prop('checked', false);
        //         });
        //     });

        //     $("#node-input-select-all").click( function() {
        //         $('#node-input-paths-container input:checkbox').each( function() {
        //             $(this).prop('checked', true);
        //         });
        //     });

        //     function checkPathsMatching(regexp) {
        //         $('#node-input-paths-container input:checkbox').each( function() {
        //             var checkbox = $(this);
        //             if (checkbox.data('path').match(regexp)) {
        //                 checkbox.prop('checked', true);
        //             }
        //         });
        //     }

        //     $("#node-input-select-temperature").click( function() {
        //         checkPathsMatching(/\/temperature$/);
        //     });

        //     $("#node-input-select-humidity").click( function() {
        //         checkPathsMatching(/\/humidity$/);
        //     });

        //     refreshPaths(this.paths);
        // },
        // oneditsave: function() {
        //     this.paths = $('#node-input-paths-container input:checked').map( function() {
        //         return $(this).data('path');
        //     }).toArray();
        // },

        // onbuildmcu: function() {
            
        // }
    });
</script>