Implement additional Mifare Ultralight convenience methods.
Change-Id: I8d9dfadb5911b2d11d1ba6dcf1381decbb8386ef
diff --git a/core/java/android/nfc/technology/MifareUltralight.java b/core/java/android/nfc/technology/MifareUltralight.java
index 35f561b..7103b4d 100644
--- a/core/java/android/nfc/technology/MifareUltralight.java
+++ b/core/java/android/nfc/technology/MifareUltralight.java
@@ -73,6 +73,37 @@
}
/**
+ * @throws IOException
+ */
+ public byte[] readOTP() throws IOException {
+ checkConnected();
+
+ return readBlock(3); // OTP is at page 3
+ }
+
+ public void writePage(int block, byte[] data) throws IOException {
+ checkConnected();
+
+ byte[] pagewrite_cmd = new byte[data.length + 2];
+ pagewrite_cmd[0] = (byte) 0xA2;
+ pagewrite_cmd[1] = (byte) block;
+ System.arraycopy(data, 0, pagewrite_cmd, 2, data.length);
+
+ transceive(pagewrite_cmd);
+ }
+
+ public void writeBlock(int block, byte[] data) throws IOException {
+ checkConnected();
+
+ byte[] blockwrite_cmd = new byte[data.length + 2];
+ blockwrite_cmd[0] = (byte) 0xA0;
+ blockwrite_cmd[1] = (byte) block;
+ System.arraycopy(data, 0, blockwrite_cmd, 2, data.length);
+
+ transceive(blockwrite_cmd);
+ }
+
+ /**
* Send data to a tag and receive the response.
* <p>
* This method will block until the response is received. It can be canceled
@@ -99,12 +130,4 @@
}
}
- /**
- * @throws IOException
- */
- /*
- public byte[] readOTP();
- public void writePage(int block, byte[] data);
- public void writeBlock(int block, byte[] data);
- */
}
