Update project for new NFC-EXPLORE build

README.md

@@ -21,8 +21,10 @@ for my own convenience:
 1. Clone project
 2. Copy config.json.sample to config.json
 3. Edit config.json for your setup
+4. [Install Node.js](https://github.com/nodesource/distributions/blob/master/README.md#installation-instructions)
 4. `npm install` (node.js dependencies)
-5. `make all` (Python dependencies, mpg321 dependency)
+5. `virtualenv lib` # make a python virtualenv
+6. `lib/bin/pip install -r requirements.txt`
 
 TODO: Can this be streamlined? Maybe move Makefile commands into `npm` commands.
 

bin/tag-reader-nfc

@@ -0,0 +1,17 @@
+import nxppy
+import time
+import sys
+
+mifare = nxppy.Mifare()
+
+# Print card UIDs as they are detected
+while True:
+    try:
+        uid = mifare.select()
+        print(uid)
+        sys.stdout.flush()
+    except nxppy.SelectError:
+        # SelectError is raised if no card is in the field.
+        pass
+
+    time.sleep(1)

jukebox/child-process.js

@@ -12,6 +12,8 @@ module.exports.ChildProcessEmitter = class ChildProcessEmitter extends EventEmit
 
     var emitter = this;
 
+    this.transform_line = l => l;
+
     this.logger = logger;
     this.stderrFilters = [];
 
@@ -32,6 +34,7 @@ module.exports.ChildProcessEmitter = class ChildProcessEmitter extends EventEmit
       var lines = data.toString().split(/\n/g);
       lines.map(line => line.trim())
         .filter(line => line.length)
+        .map(this.transform_line)
         .map(line => this.emit('message', line));
     });
 

jukebox/library/file-backend.js

@@ -13,7 +13,9 @@ class FileBackend {
   }
 
   find(tag, callback) {
-    glob(this.config.media_path + '/**/' + tag + ' - *.mp3', (err, files) => {
+    // add extra * glob to the end of the file: old tag-reader got 10
+    // character uids, new one gets 8 character for the same cards
+    glob(this.config.media_path + '/**/' + tag + '* - *.mp3', (err, files) => {
       if (files.length > 0) {
         return callback(pickRandom(files));
       }

jukebox/tag-reader.js

@@ -5,6 +5,8 @@ const ChildProcessEmitter = require('./child-process').ChildProcessEmitter;
 class TagReader extends ChildProcessEmitter {
   constructor(config, logger) {
     super(config.tag_reader, logger);
+
+    this.transform_line = l => l.toLowerCase();
   }
 }
 

requirements.txt

@@ -1,7 +1 @@
-appdirs==1.4.3
+nxppy==1.6.0
-packaging==16.8
-pi-rc522==2.1.0
-pyparsing==2.2.0
-RPi.GPIO==0.6.3
-six==1.10.0
-spidev==3.2