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NanodeMAC Rufus Cable, June 2011 (threebytesfull) Original sketch at https://gist.github.com/1020951 Library version created by Andrew Lindsay for use with Nanode and EtherShield Library at https://github.com/thiseldo/EtherShield Based on sample code to read the MAC address from the 11AA02E48 on the back of the Nanode V5 board. This code is hacky and basic - it doesn't check for bus errors and will probably fail horribly if it's interrupted. It's best run in setup() - fetch the MAC address once and keep it. After the address is fetched, it puts the chip back in standby mode in which it apparently only consumes 1uA. Feel free to reuse this code - suggestions for improvement are welcome! :) BITS 7 6 5 4 3 2 1 0 PORTD = D7 D6 D5 D4 D3 D2 D1 D0 PORTB = - - D13 D12 D11 D10 D9 D8 Nanode has UNI/O SCIO on DIG7 To use the library: #include <NanodeMAC.h> static uint8_t mymac[6] = { 0,0,0,0,0,0 }; NanodeMAC mac( mymac ); Then wherever mymac is used, the value will be the one from the chip.
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MAC code reader for Nanode V5
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