node-red/nodes/core/hardware/36-rpi-gpio.html

<!--
  Copyright 2013,2014 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.
-->

<script type="text/x-red" data-template-name="rpi-gpio in">
    <div class="form-row">
        <label for="node-input-pin"><i class="fa fa-circle"></i> <span data-i18n="rpi-gpio.label.gpiopin"></span></label>
        <select type="text" id="node-input-pin" style="width: 250px;">
            <option value='' disabled selected style='display:none;'><span data-i18n="rpi-gpio.label.selectpin"></span></option>
            <option value="3">3 - SDA1 - BCM2</option>
            <option value="5">5 - SCL1 - BCM3</option>
            <option value="7">7 - GPIO7 - BCM4</option>
            <option value="8">8 - TxD - BCM14</option>
            <option value="10">10 - RxD - BCM15</option>
            <option value="11">11 - GPIO0 - BCM17</option>
            <option value="12">12 - GPIO1 - BCM18</option>
            <option value="13">13 - GPIO2 - BCM27</option>
            <option value="15">15 - GPIO3 - BCM22</option>
            <option value="16">16 - GPIO4 - BCM23</option>
            <option value="18">18 - GPIO5 - BCM24</option>
            <option value="19">19 - MOSI - BCM10</option>
            <option value="21">21 - MISO - BCM9</option>
            <option value="22">22 - GPIO6 - BCM25</option>
            <option value="23">23 - SCLK - BCM11</option>
            <option value="24">24 - CE0 - BCM8</option>
            <option value="26">26 - CE1 - BCM7</option>
         </select>
         &nbsp;<span id="pitype"></span>
    </div>
    <div class="form-row">
        <label for="node-input-intype"><i class="fa fa-level-up"></i> <span data-i18n="rpi-gpio.label.resistor"></span></label>
        <select type="text" id="node-input-intype" style="width: 150px;">
        <option value="tri" data-i18n="rpi-gpio.resistor.none"></option>
        <option value="up" data-i18n="rpi-gpio.resistor.pullup"></option>
        <option value="down" data-i18n="rpi-gpio.resistor.pulldown"></option>
        </select>
    </div>
    <div class="form-row">
        <label>&nbsp;</label>
        <input type="checkbox" id="node-input-read" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-input-read" style="width: 70%;"><span data-i18n="rpi-gpio.label.readinitial"></span></label>
    </div>
    <br/>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
    </div>
    <div class="form-tips" id="pin-tip"><span data-i18n="[html]rpi-gpio.tip.pin"></span></div>
    <div class="form-tips"><span data-i18n="[html]rpi-gpio.tip.in"></span></div>
</script>

<script type="text/x-red" data-help-name="rpi-gpio in">
    <p>Raspberry Pi input node. Generates a <b>msg.payload</b> with either a 0 or 1 depending on the state of the input pin. Requires the gpio command to work.</p>
    <p>You may also enable the input pullup resistor or the pulldown resistor.</p>
    <p>The <b>msg.topic</b> is set to <i>pi/{the pin number}</i></p>
    <p>Requires the RPi.GPIO python library version 0.5.8 (or better) in order to work.</p>
    <p><b>Note:</b> we are using the actual physical pin numbers on connector P1 as they are easier to locate.</p>
    </script>

<script type="text/javascript">
    var pinsInUse = {};
    RED.nodes.registerType('rpi-gpio in',{
        category: 'Raspberry Pi',
        label: 'Raspberry Pi',
        color:"#c6dbef",
        defaults: {
            name: { value:"" },
            pin: { value:"",required:true,validate:RED.validators.number() },
            intype: { value: "in" },
            read: { value:false }
        },
        inputs:0,
        outputs:1,
        icon: "rpi.png",
        info: function() {
            if ( Object.keys(pinsInUse).length !== 0 ) {
                return "**Pins in use** : "+Object.keys(pinsInUse);
            }
            else { return ""; }
        },
        label: function() {
            return this.name||"Pin: "+this.pin ;
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            var pinnow = this.pin;
            var pintip = this._("rpi-gpio.tip.pin");
            var pinname = this._("rpi-gpio.pinname");
            var alreadyuse = this._("rpi-gpio.alreadyuse");
            var alreadyset = this._("rpi-gpio.alreadyset");
            $.getJSON('rpi-gpio/'+this.id,function(data) {
                $('#pitype').text(data.type);
                if ((data.type === "Model B+") || (data.type === "Model A+")) {
                    $('#node-input-pin').append($("<option></option>").attr("value",27).text("27 - SDA0 - BCM0"));
                    $('#node-input-pin').append($("<option></option>").attr("value",28).text("28 - SCL0 - BCM1"));
                    $('#node-input-pin').append($("<option></option>").attr("value",29).text("29 - GPIO21 - BCM5"));
                    $('#node-input-pin').append($("<option></option>").attr("value",31).text("31 - GPIO22 - BCM6"));
                    $('#node-input-pin').append($("<option></option>").attr("value",32).text("32 - GPIO26 - BCM12"));
                    $('#node-input-pin').append($("<option></option>").attr("value",33).text("33 - GPIO23 - BCM13"));
                    $('#node-input-pin').append($("<option></option>").attr("value",35).text("35 - GPIO24 - BCM19"));
                    $('#node-input-pin').append($("<option></option>").attr("value",36).text("36 - GPIO27 - BCM16"));
                    $('#node-input-pin').append($("<option></option>").attr("value",37).text("37 - GPIO25 - BCM26"));
                    $('#node-input-pin').append($("<option></option>").attr("value",38).text("38 - GPIO28 - BCM20"));
                    $('#node-input-pin').append($("<option></option>").attr("value",40).text("40 - GPIO29 - BCM21"));
                    $('#node-input-pin').val(pinnow);
                }
            });

            $.getJSON('rpi-pins/'+this.id,function(data) {
                pinsInUse = data || {};
                $('#pin-tip').html(pintip + Object.keys(data));
            });

            $("#node-input-pin").change(function() {
                var pinnew = $("#node-input-pin").val();
                if ((pinnew) && (pinnew !== pinnow)) {
                    if (pinsInUse.hasOwnProperty(pinnew)) {
                        RED.notify(pinname+" "+pinnew+" "+alreadyuse,"warn");
                    }
                    pinnow = pinnew;
                }
            });

            $("#node-input-intype").change(function() {
                var newtype = $("#node-input-intype option:selected").val();
                if ((pinsInUse.hasOwnProperty(pinnow)) && (pinsInUse[pinnow] !== newtype)) {
                    RED.notify(pinname+" "+pinnow+" "+alreadyset+" "+pinsInUse[pinnow],"error");
                }
            });
        }
    });
</script>

<script type="text/x-red" data-template-name="rpi-gpio out">
    <div class="form-row">
        <label for="node-input-pin"><i class="fa fa-circle"></i> <span data-i18n="rpi-gpio.label.gpiopin"></span></label>
        <select type="text" id="node-input-pin" style="width: 250px;">
            <option value='' disabled selected style='display:none;'><span data-i18n="rpi-gpio.label.selectpin"></span></option>
            <option value="3">3 - SDA1 - BCM2</option>
            <option value="5">5 - SCL1 - BCM3</option>
            <option value="7">7 - GPIO7 - BCM4</option>
            <option value="8">8 - TxD - BCM14</option>
            <option value="10">10 - RxD - BCM15</option>
            <option value="11">11 - GPIO0 - BCM17</option>
            <option value="12">12 - GPIO1 - BCM18</option>
            <option value="13">13 - GPIO2 - BCM27</option>
            <option value="15">15 - GPIO3 - BCM22</option>
            <option value="16">16 - GPIO4 - BCM23</option>
            <option value="18">18 - GPIO5 - BCM24</option>
            <option value="19">19 - MOSI - BCM10</option>
            <option value="21">21 - MISO - BCM9</option>
            <option value="22">22 - GPIO6 - BCM25</option>
            <option value="23">23 - SCLK - BCM11</option>
            <option value="24">24 - CE0 - BCM8</option>
            <option value="26">26 - CE1 - BCM7</option>
         </select>
         &nbsp;<span id="pitype"></span>
    </div>
    <div class="form-row" id="node-set-pwm">
        <label>&nbsp;&nbsp;&nbsp;&nbsp;<span data-i18n="rpi-gpio.label.type"></span></label>
        <select id="node-input-out" style="width: 250px;">
            <option value="out" data-i18n="rpi-gpio.digout"></option>
            <option value="pwm" data-i18n="rpi-gpio.pwmout"></option>
        </select>
    </div>
    <div class="form-row" id="node-set-tick">
        <label>&nbsp;</label>
        <input type="checkbox" id="node-input-set" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-input-set" style="width: 70%;"><span data-i18n="rpi-gpio.label.initpin"></span></label>
    </div>
    <div class="form-row" id="node-set-state">
        <label for="node-input-level">&nbsp;</label>
        <select id="node-input-level" style="width: 250px;">
            <option value="0" data-i18n="rpi-gpio.initpin0"></option>
            <option value="1" data-i18n="rpi-gpio.initpin1"></option>
        </select>
    </div>
    <br/>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
    </div>
    <div class="form-tips" id="pin-tip"><span data-i18n="[html]rpi-gpio.tip.pin"></span></div>
    <div class="form-tips" id="dig-tip"><span data-i18n="[html]rpi-gpio.tip.dig"></span></div>
    <div class="form-tips" id="pwm-tip"><span data-i18n="[html]rpi-gpio.tip.pwm"></span></div>
</script>

<script type="text/x-red" data-help-name="rpi-gpio out">
    <p>Raspberry Pi output node. Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false). Requires the gpio command to work.</p>
    <p>Will set the selected physical pin high or low depending on the value passed in.</p>
    <p>The initial value of the pin at deploy time can also be set to 0 or 1.</p>
    <p>When using PWM mode - expects an input value of a number 0 - 100.</p>
    <p>Requires the RPi.GPIO python library version 0.5.8 (or better) in order to work.</p>
    <p><b>Note:</b> we are using the actual physical pin numbers on connector P1 as they are easier to locate.</p>
</script>

<script type="text/javascript">
    var pinsInUse = {};
    RED.nodes.registerType('rpi-gpio out',{
        category: 'Raspberry Pi',
        label: 'Raspberry Pi',
        color:"#c6dbef",
        defaults: {
            name: { value:"" },
            pin: { value:"",required:true,validate:RED.validators.number() },
            set: { value:"" },
            level: { value:"0" },
            out: { value:"out" }
        },
        inputs:1,
        outputs:0,
        icon: "rpi.png",
        info: function() {
            if ( Object.keys(pinsInUse).length !== 0 ) {
                return "**Pins in use** : "+Object.keys(pinsInUse);
            }
            else { return ""; }
        },
        align: "right",
        label: function() {
            if (this.out === "pwm") { return this.name || "PWM: "+this.pin; }
            else { return this.name||"Pin: "+this.pin ; }
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            var pinnow = this.pin;
            var pintip = this._("rpi-gpio.tip.pin");
            var pinname = this._("rpi-gpio.pinname");
            var alreadyuse = this._("rpi-gpio.alreadyuse");
            var alreadyset = this._("rpi-gpio.alreadyset");
            if (!$("#node-input-out").val()) { $("#node-input-out").val("out"); }
            $.getJSON('rpi-gpio/'+this.id,function(data) {
                $('#pitype').text(data.type);
                if ((data.type === "Model B+") || (data.type === "Model A+")) {
                    $('#node-input-pin').append($("<option></option>").attr("value",27).text("27 - SDA0 - BCM0"));
                    $('#node-input-pin').append($("<option></option>").attr("value",28).text("28 - SCL0 - BCM1"));
                    $('#node-input-pin').append($("<option></option>").attr("value",29).text("29 - GPIO21 - BCM5"));
                    $('#node-input-pin').append($("<option></option>").attr("value",31).text("31 - GPIO22 - BCM6"));
                    $('#node-input-pin').append($("<option></option>").attr("value",32).text("32 - GPIO26 - BCM12"));
                    $('#node-input-pin').append($("<option></option>").attr("value",33).text("33 - GPIO23 - BCM13"));
                    $('#node-input-pin').append($("<option></option>").attr("value",35).text("35 - GPIO24 - BCM19"));
                    $('#node-input-pin').append($("<option></option>").attr("value",36).text("36 - GPIO27 - BCM16"));
                    $('#node-input-pin').append($("<option></option>").attr("value",37).text("37 - GPIO25 - BCM26"));
                    $('#node-input-pin').append($("<option></option>").attr("value",38).text("38 - GPIO28 - BCM20"));
                    $('#node-input-pin').append($("<option></option>").attr("value",40).text("40 - GPIO29 - BCM21"));
                    $('#node-input-pin').val(pinnow);
                }
            });

            $.getJSON('rpi-pins/'+this.id,function(data) {
                pinsInUse = data || {};
                $('#pin-tip').html(pintip + Object.keys(data));
            });

            $("#node-input-pin").change(function() {
                var pinnew = $("#node-input-pin").val();
                if ((pinnew) && (pinnew !== pinnow)) {
                    if (pinsInUse.hasOwnProperty(pinnew)) {
                        RED.notify(pinname+" "+pinnew+" "+alreadyuse,"warn");
                    }
                    pinnow = pinnew;
                }
            });

            $("#node-input-out").change(function() {
                var newtype = $("#node-input-out option:selected").val();
                if ((pinsInUse.hasOwnProperty(pinnow)) && (pinsInUse[pinnow] !== newtype)) {
                    RED.notify(pinname+" "+pinnow+" "+alreadyset+" "+pinsInUse[pinnow],"error");
                }
            });

            var hidestate = function () {
                if ($("#node-input-out").val() === "pwm") {
                    $('#node-set-tick').hide();
                    $('#node-set-state').hide();
                    $('#node-input-set').prop('checked', false);
                    $("#dig-tip").hide();
                    $("#pwm-tip").show();
                }
                else {
                    $('#node-set-tick').show();
                    $("#dig-tip").show();
                    $("#pwm-tip").hide();
                }
            };
            $("#node-input-out").change(function () { hidestate(); });
            hidestate();

            var setstate = function () {
                if ($('#node-input-set').is(":checked")) {
                    $("#node-set-state").show();
                } else {
                    $("#node-set-state").hide();
                }
            };
            $("#node-input-set").change(function () { setstate(); });
            setstate();
        }
    });
</script>

<script type="text/x-red" data-template-name="rpi-mouse">
    <div class="form-row">
        <label for="node-input-butt"><i class="fa fa-circle"></i> <span data-i18n="rpi-gpio.label.button"></span></label>
        <select type="text" id="node-input-butt" style="width: 250px;">
            <option value="1" data-i18n="rpi-gpio.left"></option>
            <option value="2" data-i18n="rpi-gpio.right"></option>
            <option value="4" data-i18n="rpi-gpio.middle"></option>
            <option value="7" data-i18n="rpi-gpio.any"></option>
         </select>
    </div>
    <br/>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
    </div>
</script>

<script type="text/x-red" data-help-name="rpi-mouse">
    <p>Raspberry Pi mouse button node. Requires a USB mouse.</p>
    <p>Generates a <b>msg.payload</b> with
    either a 1 or 0 when the selected mouse button is pressed and released</p>
    <p>Also sets <b>msg.button</b> to the code value
    <ul><li>1 = left</li><li>2 = right</li><li>4 = middle</li></ul>
    so you can work out which button or combination was pressed.</p>
    <p>And sets <b>msg.topic</b> to <i>pi/mouse</i>.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('rpi-mouse',{
        category: 'Raspberry Pi',
        label: 'Raspberry Pi',
        color:"#c6dbef",
        defaults: {
            name: { value:"" },
            butt: { value:"1",required:true }
        },
        inputs:0,
        outputs:1,
        icon: "rpi.png",
        label: function() {
            var na = this._("rpi-gpio.label.pimouse");
            if (this.butt === "1") { na += " "+this._("rpi-gpio.label.left"); }
            if (this.butt === "2") { na += " "+this._("rpi-gpio.label.right"); }
            if (this.butt === "4") { na += " "+this._("rpi-gpio.label.middle"); }
            return this.name||na;
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<script type="text/x-red" data-template-name="rpi-keyboard">
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
    </div>
</script>

<script type="text/x-red" data-help-name="rpi-keyboard">
    <p>Raspberry Pi keyboard handling node. Requires a USB keyboard.</p>
    <p>Generates a <b>msg.payload</b> with a keycode, and <b>msg.action</b> set to
    <i>up, down</i> or <i>repeat</i> whenever a key is pressed or released.</p>
    <p>It also sets <b>msg.topic</b> to <i>pi/key</i>.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('rpi-keyboard',{
        category: 'Raspberry Pi',
        label: 'Raspberry Pi',
        color:"#c6dbef",
        defaults: {
            name: { value:"" }
        },
        inputs:0,
        outputs:1,
        icon: "rpi.png",
        label: function() {
            return this.name||this._("rpi-gpio.label.pikeyboard");;
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>