Also got the checksum code working correctly too.
now my responses are validated and displayed by the software.
"ASCII characters, representing a checksum. There
are always 4 numbers. They are HEX (0 through 9 are
represented by hex 0x30 .. 0x39, and A-F are represented...
Turns out I needed to reply with an ACK
Decimal Octal Hex Binary Character
006 006 0x06 00000110 ACK (Acknowledgment)
or for C#
static char ACK = '\u0006';
byte[] ackMsg = System.Text.Encoding.ASCII.GetBytes(ACK.ToString())...
Hello all
I am working on an interface between a POS sending MICROS 8700 fixed message over serial com port and our PMS.
My experience is in C#, MVC, AJAX, webapp side and more modern technologies. I am pretty lost with all the COM serial port communication and Micros emulation, but have done...
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