/** * 写入数据 * * @param block 块号 0x01 ~ 3F * @param data 36 bytes len * @return * @throws Exception */ public Map writeData(String block, String data) throws Exception { String response = null; // 写入数据 byte[] writeKey = Command.getCommand("49" + block + data); sp.write(writeKey); sp.read(new byte[50]); response = sp.getResponse(); String str = response.substring(7, 9); if (!"00".equals(str)) { throw new Exception("写入数据失败。"); } return new HashMap(); }
/** * 写入key * * @param disk 扇区 0x00 ~ 0x0F * @param keyType 秘钥类型 0x00 keyA | 0x04 Key B * @param key 秘钥 16 bytes len * @return * @throws Exception */ public Map writeKey(String disk, String keyType, String key) throws Exception { inIt(); String response = null; // 写入key byte[] writeKey = Command.getCommand("45" + keyType + disk + key); sp.write(writeKey); sp.read(new byte[50]); response = sp.getResponse(); String str = response.substring(7, 9); if (!"00".equals(str)) { throw new Exception("写入key失败。"); } return new HashMap(); }
/** * 读取数据 * * @param block 块号 0x00 ~ 0x3F * @return * @throws Exception */ public Map readData(String block) throws Exception { String response = null; String data = null; Map result = new HashMap(); // 写入数据 byte[] writeKey = Command.getCommand("48" + block); sp.write(writeKey); sp.read(new byte[50]); response = sp.getResponse(); String str = response.substring(7, 9); data = response.substring(9, response.length() - 2); if (!"00".equals(str)) { throw new Exception("读取数据失败。"); } result.put("1", data); return result; }