The data is transmitted between the NAOMI and Card Reader by serial communication. In my brief review of serial communication standards, I believe that in spite of the CN8 port on NAOMI 2 saying RS-422, the labeling of the pins for the card reader make me think the standard is RS-232. My thinking is that while the 2 are wired up, I could tap into one side of this communication and sniff it with a serial input on the computer to read what's happening one way and then wire in to the other and see what's happening in that direction. After getting that information, I could try to unhook the reader and wire up just the computer to send the same signals back to the NAOMI2 that it expects from the reader. The short term goal would be to trick the NAOMI into thinking the card reader has initialized. #NAOMI EMULATOR CONTROL SETUP HOW TO#Īfter that, it's a matter of figuring out what communication happens back and forth during the reading and writing of the card, then somehow figuring out how to store that data and give it back to the NAOMI when it expects it. I've got almost no experience with serial communication standards.
I would initially appreciate any help with regards to methods I could use for sniffing the signals and help addressing any concerns over signal voltage differences between computer and NAOMI 2.
I've got a working serial port on an older laptop that I was hoping to use in the initial experiments before moving to an RPi. I was thinking I could maybe take the RXD and RTS from either device and wire into the computer while the 2 devices are communicating to intercept the communication one way. #NAOMI EMULATOR CONTROL SETUP DOWNLOAD#.
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