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e8658d5
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master
flaneth
firmware
bus.h
initial commit after making CF identify work
Stefan Schuermans
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e8658d5
at 2012-04-15 19:57:57
bus.h
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/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project - http://www.blinkenarea.org/ */ #ifndef INC_bus #define INC_bus #include "macros.h" // IO pins of bus #define BUS_ADDR_DDR (DDRG) #define BUS_ADDR (PORTG) #define BUS_DATA_DDR (DDRA) #define BUS_DATA (PORTA) #define BUS_DATA_IN (PINA) #define BUS_DDR_nRD (DDRE) #define BUS_PORT_nRD (PORTE) #define BUS_BIT_nRD (6) #define BUS_DDR_nWR (DDRE) #define BUS_PORT_nWR (PORTE) #define BUS_BIT_nWR (7) // special pin commands #define BUS_READ_ACT( ) (bit_clear( BUS_PORT_nRD, BUS_BIT_nRD )) #define BUS_READ_IDLE( ) (bit_set( BUS_PORT_nRD, BUS_BIT_nRD )) #define BUS_WRITE_ACT( ) (bit_clear( BUS_PORT_nWR, BUS_BIT_nWR )) #define BUS_WRITE_IDLE( ) (bit_set( BUS_PORT_nWR, BUS_BIT_nWR )) // initialize extern void BusInit(void); #endif // #ifndef INC_bus
