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cs8900conf.h

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00001 /*! \file cs8900conf.h \brief Crystal CS8900 Ethernet Interface Driver Configuration. */
00002 //*****************************************************************************
00003 //
00004 // File Name    : 'cs8900conf.h'
00005 // Title        : Crystal CS8900 Ethernet Interface Driver Configuration
00006 // Author       : Pascal Stang
00007 // Created      : 11/7/2004
00008 // Revised      : 8/22/2005
00009 // Version      : 0.1
00010 // Target MCU   : Atmel AVR series
00011 // Editor Tabs  : 4
00012 //
00013 /// \ingroup network
00014 //
00015 // Description  : This driver provides initialization and transmit/receive
00016 //      functions for the Crystal CS8900 10Mb Ethernet Controller and PHY.
00017 //
00018 //*****************************************************************************
00019 
00020 #ifndef CS8900CONF_H
00021 #define CS8900CONF_H
00022 
00023 // This driver supports a CS8900 connected in memory-mapped or direct I/O mode.
00024 //
00025 #define GENERAL_IO              0
00026 // Direct I/O mode assumes the NIC address, data, and control lines are
00027 // connected directly to processor I/O pins.  The memory-bus accesses are
00028 // software emulated.
00029 //
00030 //#define MEMORY_MAPPED         1 (*** MEMORY-MAPPED NOT YET IMPLEMENTED ***)
00031 // Memory-mapped mode assumes that the NIC is connected the processor via
00032 // the external memory bus, and that the NIC address space starts at the
00033 // memory location CS8900_MEMORY_MAPPED_OFFSET.
00034 //
00035 // In either mode, a seperate I/O pins is required for control of the NIC's
00036 // hardware RESET line.
00037 
00038 
00039 // set the connection type used to communicate with the NIC
00040 #define NIC_CONNECTION GENERAL_IO
00041 
00042 #if NIC_CONNECTION != GENERAL_IO
00043     // NIC is memory-mapped starting at this address
00044     #define CS8900_MEMORY_MAPPED_OFFSET 0x8000
00045 #else // NIC Interface through General I/O
00046     // CS8900 address port
00047     #define CS8900_ADDRESS_PORT        PORTF
00048     #define CS8900_ADDRESS_DDR         DDRF
00049     #define CS8900_ADDRESS_MASK        0x0F
00050     // CS8900 data port
00051     #define CS8900_DATA_PORT           PORTA
00052     #define CS8900_DATA_DDR            DDRA
00053     #define CS8900_DATA_PIN            PINA
00054     // CS8900 control port
00055     #define CS8900_CONTROL_PORT        PORTB
00056     #define CS8900_CONTROL_DDR         DDRB
00057     #define CS8900_CONTROL_READPIN     4
00058     #define CS8900_CONTROL_WRITEPIN    3
00059 #endif
00060 
00061 // CS8900 RESET pin
00062 #define CS8900_RESET_PORT   PORTB
00063 #define CS8900_RESET_DDR    DDRB
00064 #define CS8900_RESET_PIN    1
00065 
00066 // MAC address for this interface
00067 #ifdef ETHADDR0
00068 #define CS8900_MAC0 ETHADDR0
00069 #define CS8900_MAC1 ETHADDR1
00070 #define CS8900_MAC2 ETHADDR2
00071 #define CS8900_MAC3 ETHADDR3
00072 #define CS8900_MAC4 ETHADDR4
00073 #define CS8900_MAC5 ETHADDR5
00074 #else
00075 #define CS8900_MAC0 '0'
00076 #define CS8900_MAC1 'F'
00077 #define CS8900_MAC2 'F'
00078 #define CS8900_MAC3 'I'
00079 #define CS8900_MAC4 'C'
00080 #define CS8900_MAC5 'E'
00081 #endif
00082 
00083 #endif

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