swapped write and read

examples/ndef.js

@@ -22,50 +22,6 @@ nfc.on('reader', reader => {
  console.log(`card detected`, card);
 
 
- /**
- * Read a card
- */
-
- try {
-
- /**
- * READ MESSAGE AND ITS RECORDS
- */
-
- /**
- * 1 - READ HEADER
- * Read from block 0 to block 4 (20 bytes length) in order to parse tag information
- */
- // Starts reading in block 0 until end of block 4
- const cardHeader = await reader.read(0, 20);
-
- const tag = nfcCard.parseInfo(cardHeader);
- console.log('tag info:', JSON.stringify(tag));
-
- /**
- * 2 - Read the NDEF message and parse it if it's supposed there is one
- */
-
- // There might be a NDEF message and we are able to read the tag
- if(nfcCard.isFormatedAsNDEF() && nfcCard.hasReadPermissions() && nfcCard.hasNDEFMessage()) {
-
- // Read the appropriate length to get the NDEF message as buffer
- const NDEFRawMessage = await reader.read(4, nfcCard.getNDEFMessageLengthToRead()); // starts reading in block 0 until 6
-
- // Parse the buffer as a NDEF raw message
- const NDEFMessage = nfcCard.parseNDEF(NDEFRawMessage);
-
- console.log('NDEFMessage:', NDEFMessage);
-
- } else {
- console.log('Could not parse anything from this tag: \n The tag is either empty, locked, has a wrong NDEF format or is unreadable.')
- }
-
- } catch (err) {
- console.error(`error when reading data`, err);
- }
-
-
  /**
  * Write a card
  */
@@ -107,6 +63,50 @@ nfc.on('reader', reader => {
  });
 
 
+ /**
+ * Read a card
+ */
+
+ try {
+
+ /**
+ * READ MESSAGE AND ITS RECORDS
+ */
+
+ /**
+ * 1 - READ HEADER
+ * Read from block 0 to block 4 (20 bytes length) in order to parse tag information
+ */
+ // Starts reading in block 0 until end of block 4
+ const cardHeader = await reader.read(0, 20);
+
+ const tag = nfcCard.parseInfo(cardHeader);
+ console.log('tag info:', JSON.stringify(tag));
+
+ /**
+ * 2 - Read the NDEF message and parse it if it's supposed there is one
+ */
+
+ // There might be a NDEF message and we are able to read the tag
+ if(nfcCard.isFormatedAsNDEF() && nfcCard.hasReadPermissions() && nfcCard.hasNDEFMessage()) {
+
+ // Read the appropriate length to get the NDEF message as buffer
+ const NDEFRawMessage = await reader.read(4, nfcCard.getNDEFMessageLengthToRead()); // starts reading in block 0 until 6
+
+ // Parse the buffer as a NDEF raw message
+ const NDEFMessage = nfcCard.parseNDEF(NDEFRawMessage);
+
+ console.log('NDEFMessage:', NDEFMessage);
+
+ } else {
+ console.log('Could not parse anything from this tag: \n The tag is either empty, locked, has a wrong NDEF format or is unreadable.')
+ }
+
+ } catch (err) {
+ console.error(`error when reading data`, err);
+ }
+
+
  reader.on('card.off', card => {
  console.log(`${reader.reader.name} card removed`, card);
  });