The encryption process is as follows:
** Open the serial port for the first time
[00000000] IOCTL_SERIAL_SET_BAUD_RATE Baud Rate: 9600 (Set baud rate here)
[00000000] IOCTL_SERIAL_SET_LINE_CONTROL StopBits: 1, Parity: Even, DataBits: 7(Communication Format)
[00000001] IRP_MJ_WRITE Length: 0001, Data: 02
[00000001] IRP_MJ_WRITE Length: 0005, Data: 37 32 35 30 46 (here CMD's set instructions 37H, 32 35 30 46 and the address '250F' operation bit element to be set)
[00000001] IRP_MJ_WRITE Length: 0001, Data: 03 (here is the end, and the meaning code '03H' ends here)
[00000001] IRP_MJ_WRITE Length: 0002, Data: 31 37 (Checksum, the sum from 37H to 03H here, if there is an overflow, take the last two digits of *)
[00000008] IRP_MJ_WRITE Length: 0001, Data: 02
[00000008] IRP_MJ_WRITE Length: 0005, Data: 37 32 35 30 46 (CMD's set instructions 37H, 32 35 30 46 and the address '250F' to be set)
[00000008] IRP_MJ_WRITE Length: 0001, Data: 03 (here is the end of the code, and ends here with the code '03H')
[00000008] IRP_MJ_WRITE Length: 0002, Data: 31 37 (Checksum, sum from 37H to 03H here, if there is an overflow, take the last two digits of *)
[00000015] IRP_MJ_WRITE Length: 0001, Data: 02
[00000015] IRP_MJ_WRITE Length: 0011, Data: 31 38 30 30 30 30 30 32 30 30 30 30 (The CMD function code 31H here is to write data, 38 30 30 30 is the first address to write data, '8000'30 32 is the number of operations written, here is 2 digits, that is a double word, 30 30 30 is the data of this double word is '0'
[00000015] IRP_MJ_WRITE Length: 0001, Data: 03 (here is the end, and the meaning code '03H' ends here)
[00000016] IRP_MJ_WRITE Length: 0002, Data: 31 45 (checksum, sum from 37H to 03H here, if there is overflow, take the last two digits of *)
[00000022] IRP_MJ_WRITE Length: 0001, Data: 02
[00000022] IRP_MJ_WRITE Length: 0011, Data: 31 38 30 30 30 30 30 32 30 30 30 30 (The CMD function code 31H here is to write data, 38 30 30 30 is the first address to write data, '8000'30 32 is the number of operation bits written, here is 2 digits, that is a double word, 30 30 30 is the data of this double word, '0'
[00000023] IRP_MJ_WRITE Length: 0001, Data: 03 (here is the end, and the meaning code '03H' ends here)
[00000023] IRP_MJ_WRITE Length: 0002, Data: 31 45 (Checksum, the sum from 37H to 03H here, if there is an overflow, take the last two digits of *)
[00000030] IRP_MJ_CLOSE Port Closed to close the serial port
Open the serial port for the second time
[00000000] IOCTL_SERIAL_SET_BAUD_RATE Baud Rate: 9600
[00000000] IOCTL_SERIAL_SET_LINE_CONTROL StopBits: 1, Parity: Even, DataBits: 7
[00000000] IRP_MJ_WRITE Length: 0001, Data: 02 ( "STX" Communication Start Character 02H)
[00000000] IRP_MJ_WRITE Length: 0005, Data: 38 32 35 30 46 (CMD's reset instruction 38H,32 35 30 46 and is to reset the address '250F' operation bit element,Here the address of the 205F that has just been set has been reset)
[00000001] IRP_MJ_WRITE Length: 0001, Data: 03 (here is the end, and the meaning code '03H' ends here)
[00000001] IRP_MJ_WRITE Length: 0002, Data: 31 38 (Checksum, the sum from 37H to 03H here, if there is an overflow, take the last two digits of *)
[00000007] IRP_MJ_WRITE Length: 0001, Data: 02
[00000007] IRP_MJ_WRITE Length: 0005, Data: 38 32 35 30 46 (Here CMD's reset command 38H, 32 35 30 46 and the address '250F' operating bit element to be reset, here the address of 250F just set is reset)
[00000008] IRP_MJ_WRITE Length: 0001, Data: 03 (here is the end of the code, and ends here with the code '03H')
[00000008] IRP_MJ_WRITE Length: 0002, Data: 31 38 (Checksum, the sum from 37H to 03H here, if there is an overflow, take the last two digits of *)
[00000010] IRP_MJ_CLOSE Port Closed
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