protocol.txt

M302 mifare encoder communication protocol 

 

Data stream format： 

 Data Strea Length (1BYTE) Command (1BYTE) Data D(1-20 BYTEs) CRC(1 BYTE) 

Com port setting ： 

 9600,8,n,1 

Remark ：in below description 

 -> means Host send data to module 

 <- means module send data to host 

Function description and example 

1) enquiry if module exist or not 

 ->03 12 00 15 (Remark: 03 is length, 12 is command , 00 is data , 15 is CRC) 

 <-02 12 14 

2) active buzzer 

 ->02 13 15 

 <-02 13 15 

3) Enquiry card 

 ->03 02 00 05 Enquiry card by Idle mode (data=01, means all cards in RF area, data=00 means find Idle card) 

 <-03 02 01 06 

4) Anticollision 

 ->02 03 05 

 <-06 03 32 78 13 E8 AE (module return card serial number is：327813E8） 

5) select card 

 ->02 04 06 

 <-02 04 06 

6) Stop card 

 ->02 09 0B 

 <-02 09 0B 

7) download keyA or keyB 

 ->0A 0B 00 0F FF FF FF FF FF FF 1E download sector15 KEY 

（Parameter: download mode + sector + key；mode=0, download KeyA; 01 means KeyB） 

 <-02 0B 0D 

8) read data 

 ->03 06 00 09 read block 00（parameter：block） 

 <-12 06 32 78 13 E8 B1 08 04 00 62 63 64 65 66 67 68 69 A6 

9) write data 

 ->13 07 04 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 2E 

write data to block 04(block0 in sector1)（parameter：block+data） 

 <-02 07 09 

10) verify key 

 ->04 05 01 00 0A verify sector 01 password with default KEYA 

 （parameter：sector+verify mode；verify mode：00 -means default KEYA，01 means default KEYB， 

02 means directly KEYA，03 means directly by KEYB） 

 <-02 05 07 

11) block operation 

 ->09 08 01 04 04 00 00 00 01 1B block 04 value add 0x00000001 

(parameter：operation mode+source block address+destination block+ value) 

 <-02 08 0A