CPC G06F 13/4068 (2013.01) [G06F 13/4282 (2013.01); G06F 2213/0016 (2013.01)] | 20 Claims |
1. A system comprising:
a first device having a terminal, the first device configured to:
send a first command at the terminal, the first command including a first address;
after sending the first command, receive a first value at the terminal, the first value comprising a bitwise logical AND of a first identifier of a second device and a second identifier of a third device;
responsive to receiving the first value, send, at the terminal, a second command including the first address and an indication of the first value;
send a third command at the terminal, the third command including the first address;
after sending the third command, receive a second value at the terminal, the second value comprising a bitwise logical AND of a third identifier of the first device and a fourth identifier of the third device; and
responsive to receiving the second value, send a fourth command at the terminal, the fourth command including the first address and an indication of the second value.
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