RFID讀卡器讀數(shù)據(jù)-KC07020303-a02課件

1、RFID讀寫器讀數(shù)據(jù)塊物聯(lián)網(wǎng)智能消費(fèi)系統(tǒng)RFID讀寫器讀數(shù)據(jù)塊物聯(lián)網(wǎng)智能消費(fèi)系統(tǒng)RFID測(cè)試程序RFID測(cè)試程序1讀數(shù)據(jù)塊命令格式目錄4讀數(shù)據(jù)塊響應(yīng)代碼2讀數(shù)據(jù)塊命令代碼3讀數(shù)據(jù)塊響應(yīng)格式1讀數(shù)據(jù)塊命令格式目錄4讀數(shù)據(jù)塊響應(yīng)代碼2讀數(shù)據(jù)塊命令代碼3第一部分讀數(shù)據(jù)塊命令格式第一部分讀數(shù)據(jù)塊命令格式CMD字段：為MF_Read(0 x20),集成尋卡，防沖突，選卡，驗(yàn)證密碼，讀卡等操 作，一個(gè)命令完成讀卡操作。 0 x20讀數(shù)據(jù)塊命令格式CMD字段：為MF_Read(0 x20),集成尋卡，防沖突，DATA0:讀取模式控制 Bit0: Request Mode. 0=Request Idle, 1

2、 = Request All Bit1: Request Mode. 0=對(duì) KEYA 進(jìn)行校驗(yàn), 1 =對(duì)KeyB 進(jìn)行校驗(yàn) 0 x20DATA0DATA1DATA2DATA3-8: 讀數(shù)據(jù)塊命令格式DATA0:讀取模式控制 0 x20DATADATADAT0 x20DATA0DATA1DATA2DATA3-8: DATA1: 要讀的塊數(shù)長(zhǎng)度值，即讀多少塊取值范圍 01-04讀數(shù)據(jù)塊命令格式0 x20DATADATADATADATA3-8: DAT0 x20DATA0DATA1DATA2DATA3-8: DATA2:要讀的塊的起點(diǎn)地址。Mifare s50取值范圍：十六進(jìn)制00-3F即 0塊

3、到63塊讀數(shù)據(jù)塊命令格式0 x20DATADATADATADATA3-8: DAT0 x20DATA0DATA1DATA2DATA3-8: DATA3-8:6 個(gè)字節(jié)的密鑰，低字節(jié)在前。 讀數(shù)據(jù)塊命令格式0 x20DATADATADATADATA3-8: DAT第二部分讀數(shù)據(jù)塊命令代碼第二部分讀數(shù)據(jù)塊命令代碼 private void btn_readblock_Click(object sender, EventArgs e) Byte send_packet = new byte200; int idx; int bcc=0;讀數(shù)據(jù)塊命令代碼 private void btn_readbl

4、ock_Cl讀數(shù)據(jù)塊命令代碼 private void btn_readblock_Click (object sender, EventArgs e) Byte send_packet = new byte200; int idx; int bcc=0; DATA0DATA1DATA2send_packet0 = b_packetstart;send_packet1 = b_stationid;send_packet3 = CMD_MFRead;curr_cmd = CMD_MFRead;0 x20send_packet4 = 0; /DATA0send_packet5 = 1; /DATA

5、1 1 1send_packet6 = Convert.ToByte(cmbsecno.SelectedIndex*4+cmbblockno.SelectedIndex);塊地址 idx = 7; string stringHexSplit = txB_key.Text.Split( ); foreach (string hex in stringHexSplit) if (!hex.Equals() send_packetidx+=Convert.ToByte(hex, 16); send_packet2 = 10; /DATA LENGTH字段表示命令和附帶數(shù)據(jù)的字節(jié)數(shù) 10 2 0 讀數(shù)

6、據(jù)塊命令代碼 private void btn_read讀數(shù)據(jù)塊命令代碼 private void button_readblock_Click(object sender, EventArgs e) . DATA0DATA1DATA20 x20 1 1塊地址 idx = 7; string stringHexSplit = txB_key.Text.Split( ); foreach (string hex in stringHexSplit) if (!hex.Equals() send_packetidx+=Convert.ToByte(hex, 16); send_packet2 =

7、10; /DATA LENGTH字段表示命令和附帶數(shù)據(jù)的字節(jié)數(shù) 10for (idx = 2; idx =4; idx+) sCardNO = sCardNO + Convert.ToString(recv_bufidx, 16).PadLeft(2, 0);txB_mcardsn.Text = sCardNO.ToUpper();讀數(shù)據(jù)塊響應(yīng)代碼0 x00 for (idx = 8; idx len_packet - 2; idx+) sCardData = sCardData + Convert.ToString(recv_bufidx, 16).PadLeft(2, 0).PadRight(3, );txB_blockdata.Text = sCardData.ToUpper(); if (recv_buf3 = 0)for (idxelse 0 x01讀數(shù)據(jù)塊響應(yīng)代碼 MessageBox.Show(“讀數(shù)據(jù)塊發(fā)生錯(cuò)誤