node-red-arm keyboard patch

node-red/arm/data/flows.json

@@ -0,0 +1,33 @@
+[
+  {
+    "id": "1f5f39f1.ca2cfe",
+    "type": "debug",
+    "z": "9c71f306.c8b968",
+    "name": "",
+    "active": true,
+    "console": "false",
+    "complete": "false",
+    "x": 481.5,
+    "y": 208,
+    "wires": []
+  },
+  {
+    "id": "5a211.3114d5efc",
+    "type": "inject",
+    "z": "9c71f306.c8b968",
+    "name": "",
+    "topic": "",
+    "payload": "",
+    "payloadType": "date",
+    "repeat": "",
+    "crontab": "",
+    "once": false,
+    "x": 265.5,
+    "y": 208,
+    "wires": [
+      [
+        "1f5f39f1.ca2cfe"
+      ]
+    ]
+  }
+]

node-red/arm/data/settings.js

@@ -0,0 +1,184 @@
+/**
+ * Copyright 2013, 2016 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.
+ **/
+
+// The `https` setting requires the `fs` module. Uncomment the following
+// to make it available:
+//var fs = require("fs");
+
+module.exports = {
+    // the tcp port that the Node-RED web server is listening on
+    uiPort: process.env.PORT || 1880,
+
+    // By default, the Node-RED UI accepts connections on all IPv4 interfaces.
+    // The following property can be used to listen on a specific interface. For
+    // example, the following would only allow connections from the local machine.
+    //uiHost: "127.0.0.1",
+
+    // Retry time in milliseconds for MQTT connections
+    mqttReconnectTime: 15000,
+
+    // Retry time in milliseconds for Serial port connections
+    serialReconnectTime: 15000,
+
+    // Retry time in milliseconds for TCP socket connections
+    //socketReconnectTime: 10000,
+
+    // Timeout in milliseconds for TCP server socket connections
+    //  defaults to no timeout
+    //socketTimeout: 120000,
+
+    // Timeout in milliseconds for HTTP request connections
+    //  defaults to 120 seconds
+    //httpRequestTimeout: 120000,
+
+    // The maximum length, in characters, of any message sent to the debug sidebar tab
+    debugMaxLength: 1000,
+
+    // The file containing the flows. If not set, it defaults to flows_<hostname>.json
+    flowFile: 'flows.json',
+
+    // To enabled pretty-printing of the flow within the flow file, set the following
+    //  property to true:
+    //flowFilePretty: true,
+
+    // By default, all user data is stored in the Node-RED install directory. To
+    // use a different location, the following property can be used
+    //userDir: '/home/nol/.node-red/',
+
+    // Node-RED scans the `nodes` directory in the install directory to find nodes.
+    // The following property can be used to specify an additional directory to scan.
+    //nodesDir: '/home/nol/.node-red/nodes',
+
+    // By default, the Node-RED UI is available at http://localhost:1880/
+    // The following property can be used to specifiy a different root path.
+    // If set to false, this is disabled.
+    //httpAdminRoot: '/admin',
+
+    // Some nodes, such as HTTP In, can be used to listen for incoming http requests.
+    // By default, these are served relative to '/'. The following property
+    // can be used to specifiy a different root path. If set to false, this is
+    // disabled.
+    //httpNodeRoot: '/red-nodes',
+
+    // The following property can be used in place of 'httpAdminRoot' and 'httpNodeRoot',
+    // to apply the same root to both parts.
+    //httpRoot: '/red',
+
+    // When httpAdminRoot is used to move the UI to a different root path, the
+    // following property can be used to identify a directory of static content
+    // that should be served at http://localhost:1880/.
+    //httpStatic: '/home/nol/node-red-static/',
+
+    // Securing Node-RED
+    // -----------------
+    // To password protect the Node-RED editor and admin API, the following
+    // property can be used. See http://nodered.org/docs/security.html for details.
+    //adminAuth: {
+    //    type: "credentials",
+    //    users: [{
+    //        username: "admin",
+    //        password: "$2a$08$zZWtXTja0fB1pzD4sHCMyOCMYz2Z6dNbM6tl8sJogENOMcxWV9DN.",
+    //        permissions: "*"
+    //    }]
+    //},
+
+    // To password protect the node-defined HTTP endpoints (httpNodeRoot), or
+    // the static content (httpStatic), the following properties can be used.
+    // The pass field is a bcrypt hash of the password.
+    // See http://nodered.org/docs/security.html#generating-the-password-hash
+    //httpNodeAuth: {user:"user",pass:"$2a$08$zZWtXTja0fB1pzD4sHCMyOCMYz2Z6dNbM6tl8sJogENOMcxWV9DN."},
+    //httpStaticAuth: {user:"user",pass:"$2a$08$zZWtXTja0fB1pzD4sHCMyOCMYz2Z6dNbM6tl8sJogENOMcxWV9DN."},
+
+    // The following property can be used to enable HTTPS
+    // See http://nodejs.org/api/https.html#https_https_createserver_options_requestlistener
+    // for details on its contents.
+    // See the comment at the top of this file on how to load the `fs` module used by
+    // this setting.
+    //
+    //https: {
+    //    key: fs.readFileSync('privatekey.pem'),
+    //    cert: fs.readFileSync('certificate.pem')
+    //},
+
+    // The following property can be used to disable the editor. The admin API
+    // is not affected by this option. To disable both the editor and the admin
+    // API, use either the httpRoot or httpAdminRoot properties
+    //disableEditor: false,
+
+    // The following property can be used to configure cross-origin resource sharing
+    // in the HTTP nodes.
+    // See https://github.com/troygoode/node-cors#configuration-options for
+    // details on its contents. The following is a basic permissive set of options:
+    //httpNodeCors: {
+    //    origin: "*",
+    //    methods: "GET,PUT,POST,DELETE"
+    //},
+
+    // If you need to set an http proxy please set an environment variable
+    // called http_proxy (or HTTP_PROXY) outside of Node-RED in the operating system.
+    // For example - http_proxy=http://myproxy.com:8080
+    // (Setting it here will have no effect)
+    // You may also specify no_proxy (or NO_PROXY) to supply a comma separated
+    // list of domains to not proxy, eg - no_proxy=.acme.co,.acme.co.uk
+
+    // The following property can be used to add a custom middleware function
+    // in front of all http in nodes. This allows custom authentication to be
+    // applied to all http in nodes, or any other sort of common request processing.
+    //httpNodeMiddleware: function(req,res,next) {
+    //   // Handle/reject the request, or pass it on to the http in node
+    //   // by calling next();
+    //   next();
+    //},
+
+    // Anything in this hash is globally available to all functions.
+    // It is accessed as context.global.
+    // eg:
+    //    functionGlobalContext: { os:require('os') }
+    // can be accessed in a function block as:
+    //    context.global.os
+
+    functionGlobalContext: {
+        // os:require('os'),
+        // octalbonescript:require('octalbonescript'),
+        // jfive:require("johnny-five"),
+        // j5board:require("johnny-five").Board({repl:false})
+    },
+
+    // The following property can be used to order the categories in the editor
+    // palette. If a node's category is not in the list, the category will get
+    // added to the end of the palette.
+    // If not set, the following default order is used:
+    //paletteCategories: ['subflows', 'input', 'output', 'function', 'social', 'mobile', 'storage', 'analysis', 'advanced'],
+
+    // Configure the logging output
+    logging: {
+        // Only console logging is currently supported
+        console: {
+            // Level of logging to be recorded. Options are:
+            // fatal - only those errors which make the application unusable should be recorded
+            // error - record errors which are deemed fatal for a particular request + fatal errors
+            // warn - record problems which are non fatal + errors + fatal errors
+            // info - record information about the general running of the application + warn + error + fatal errors
+            // debug - record information which is more verbose than info + info + warn + error + fatal errors
+            // trace - record very detailed logging + debug + info + warn + error + fatal errors
+            level: "info",
+            // Whether or not to include metric events in the log output
+            metrics: false,
+            // Whether or not to include audit events in the log output
+            audit: false
+        }
+    }
+}

node-red/arm/docker-compose.yml

@@ -4,5 +4,6 @@ node-red:
     - "1880:1880"
   volumes:
     - ./data:/root/.node-red
+    - /dev/input:/dev/input
   privileged: yes
   restart: always

node-red/arm/patch/36-rpi-gpio.js.patch

@@ -0,0 +1,20 @@
+--- a/36-rpi-gpio.js
++++ b/36-rpi-gpio.js
+@@ -224,7 +224,7 @@
+         this.butt = n.butt || 7;
+         var node = this;
+
+-        node.child = spawn(gpioCommand+".py", ["mouse,node.butt]);
++        node.child = spawn(gpioCommand, ["mouse",node.butt]);
+         node.status({fill:"green",shape:"dot",text:"common.status.ok"});
+
+         node.child.stdout.on('data', function (data) {
+@@ -270,7 +270,7 @@
+         RED.nodes.createNode(this,n);
+         var node = this;
+
+-        node.child = spawn(gpioCommand+".py", ["kbd","0"]);
++        node.child = spawn(gpioCommand, ["kbd","0"]);
+         node.status({fill:"green",shape:"dot",text:"common.status.ok"});
+
+         node.child.stdout.on('data', function (data) {

node-red/arm/patch/README.md

@@ -0,0 +1,4 @@
+Node-RED PATCH
+==============
+
+python2 cannot read usb keyboard input device

node-red/arm/patch/nrgpio

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+BASEDIR=$(dirname $0)
+if [[ $1 == mouse || $1 == kbd ]]
+then
+    exec python3 -u $BASEDIR/nrinput.py $@
+else
+    sudo python -u $BASEDIR/nrgpio.py $@
+fi

node-red/arm/patch/nrinput.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+
+import os
+import struct
+import subprocess
+import sys
+import time
+
+if sys.version_info < (3,0):
+    print("Sorry - currently only configured to work with python 3.x")
+    sys.exit(1)
+
+if len(sys.argv) > 2:
+    cmd = sys.argv[1].lower()
+    pin = int(sys.argv[2])
+
+    if cmd == "mouse":  # catch mice button events
+        file = open( "/dev/input/mice", "rb" )
+        oldbutt = 0
+
+        def getMouseEvent():
+          global oldbutt
+          global pin
+          buf = file.read(3)
+          pin = pin & 0x07
+          button = ord( chr(buf[0]) ) & pin # mask out just the required button(s)
+          if button != oldbutt:  # only send if changed
+              oldbutt = button
+              print(button)
+
+        while True:
+            try:
+                getMouseEvent()
+            except:
+                file.close()
+                sys.exit(0)
+
+    elif cmd == "kbd":  # catch keyboard button events
+        try:
+            while not os.path.isdir("/dev/input/by-path"):
+                time.sleep(10)
+            infile = subprocess.check_output("ls /dev/input/by-path/ | grep -m 1 'kbd'", shell=True).strip()
+            infile_path = "/dev/input/by-path/" + infile.decode()
+            EVENT_SIZE = struct.calcsize('llHHI')
+            file = open(infile_path, "rb")
+            event = file.read(EVENT_SIZE)
+
+            while event:
+                (tv_sec, tv_usec, type, code, value) = struct.unpack('llHHI', event)
+                #if type != 0 or code != 0 or value != 0:
+                if type == 1:
+                    # type,code,value
+                    print("%u,%u" % (code, value))
+                event = file.read(EVENT_SIZE)
+            print("0,0")
+            file.close()
+            sys.exit(0)
+        except:
+            file.close()
+            sys.exit(0)
+else:
+    print("Bad parameters - mouse|kbd {pin}")