Implement additional Mifare Ultralight convenience methods. (c58c3f1a) · Commits · e / os / android_frameworks_base

core/java/android/nfc/technology/MifareUltralight.java

+31 −8

Original line number	Diff line number	Diff line
		@@ -72,6 +72,37 @@ public final class MifareUltralight extends BasicTagTechnology {
		return transceive(blockread_cmd);
		}

		/**
		* @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>
		@@ -99,12 +130,4 @@ public final class MifareUltralight extends BasicTagTechnology {
		}
		}

		/**
		* @throws IOException
		*/
		/*
		public byte[] readOTP();
		public void writePage(int block, byte[] data);
		public void writeBlock(int block, byte[] data);
		*/
		}