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Line 39... |
//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// Number of bits used for devider register. If used in system with
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// Number of bits used for devider register. If used in system with
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// low frequency of system clock this can be reduced.
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// low frequency of system clock this can be reduced.
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// Default is 16.
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// Use SPI_DIVIDER_LEN for fine tuning theexact number.
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//
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//
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//`define SPI_DIVIDER_LEN_8
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//`define SPI_DIVIDER_LEN_8
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`define SPI_DIVIDER_LEN_16
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`define SPI_DIVIDER_LEN_16
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//`define SPI_DIVIDER_LEN_24
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//`define SPI_DIVIDER_LEN_32
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//`define SPI_DIVIDER_LEN_32
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`ifdef SPI_DIVIDER_LEN_8
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`define SPI_DIVIDER_LEN 8 // Can be set from 1 to 8
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`endif
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`ifdef SPI_DIVIDER_LEN_16
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`define SPI_DIVIDER_LEN 16 // Can be set from 9 to 16
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`endif
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`ifdef SPI_DIVIDER_LEN_24
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`define SPI_DIVIDER_LEN 24 // Can be set from 17 to 24
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`endif
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`ifdef SPI_DIVIDER_LEN_32
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`define SPI_DIVIDER_LEN 32 // Can be set from 25 to 32
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`endif
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//
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//
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// Maximum nuber of bits that can be send/received at once.
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// Maximum nuber of bits that can be send/received at once.
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// Use SPI_MAX_CHAR for fine tuning theexact number.
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//
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//
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`define SPI_MAX_CHAR_128
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`define SPI_MAX_CHAR_128
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//`define SPI_MAX_CHAR_64
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//`define SPI_MAX_CHAR_64
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//`define SPI_MAX_CHAR_32
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//`define SPI_MAX_CHAR_32
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//`define SPI_MAX_CHAR_24
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//`define SPI_MAX_CHAR_16
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//`define SPI_MAX_CHAR_16
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//`define SPI_MAX_CHAR_8
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//`define SPI_MAX_CHAR_8
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`ifdef SPI_MAX_CHAR_128
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`define SPI_MAX_CHAR 128 // Can be set from 97 to 128
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`define SPI_CHAR_LEN_BITS 7
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`endif
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`ifdef SPI_MAX_CHAR_64
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`define SPI_MAX_CHAR 64 // Can be set from 33 to 64
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`define SPI_CHAR_LEN_BITS 6
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`endif
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`ifdef SPI_MAX_CHAR_32
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`define SPI_MAX_CHAR 32 // Can be set from 25 to 32
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`define SPI_CHAR_LEN_BITS 5
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`endif
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`ifdef SPI_MAX_CHAR_24
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`define SPI_MAX_CHAR 24 // Can be set from 17 to 24
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`define SPI_CHAR_LEN_BITS 5
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`endif
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`ifdef SPI_MAX_CHAR_16
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`define SPI_MAX_CHAR 16 // Can be set from 9 to 16
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`define SPI_CHAR_LEN_BITS 4
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`endif
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`ifdef SPI_MAX_CHAR_8
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`define SPI_MAX_CHAR 8 // Can be set from 1 to 8
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`define SPI_CHAR_LEN_BITS 3
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`endif
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//
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//
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// Number of device select signals.
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// Number of device select signals. Use SPI_SS_NB for fine tuning the
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// exact number.
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//
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//
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`define SPI_SS_NB_8
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`define SPI_SS_NB_8
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//`define SPI_SS_NB_16
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//`define SPI_SS_NB_16
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//`define SPI_SS_NB_24
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//`define SPI_SS_NB_32
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//`define SPI_SS_NB_32
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`ifdef SPI_SS_NB_8
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`define SPI_SS_NB 8 // Can be set from 1 to 8
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`endif
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`ifdef SPI_SS_NB_16
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`define SPI_SS_NB 16 // Can be set from 9 to 16
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`endif
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`ifdef SPI_SS_NB_24
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`define SPI_SS_NB 24 // Can be set from 17 to 24
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`endif
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`ifdef SPI_SS_NB_32
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`define SPI_SS_NB 32 // Can be set from 25 to 32
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`endif
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//
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//
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// Bits of WISHBONE address used for partial decoding of SPI registers.
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// Bits of WISHBONE address used for partial decoding of SPI registers.
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//
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//
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`define SPI_OFS_BITS 4:2
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`define SPI_OFS_BITS 4:2
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| Line 98... |
Line 154... |
`define SPI_CTRL_TX_NEGEDGE 2
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`define SPI_CTRL_TX_NEGEDGE 2
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`define SPI_CTRL_RX_NEGEDGE 1
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`define SPI_CTRL_RX_NEGEDGE 1
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`define SPI_CTRL_GO 0
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`define SPI_CTRL_GO 0
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`ifdef SPI_DIVIDER_LEN_8
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`define SPI_DIVIDER_LEN 8
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`endif
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`ifdef SPI_DIVIDER_LEN_16
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`define SPI_DIVIDER_LEN 16
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`endif
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`ifdef SPI_DIVIDER_LEN_32
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`define SPI_DIVIDER_LEN 32
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`endif
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`ifdef SPI_MAX_CHAR_128
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`define SPI_MAX_CHAR 128
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`define SPI_CHAR_LEN_BITS 7
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`endif
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`ifdef SPI_MAX_CHAR_64
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`define SPI_MAX_CHAR 64
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`define SPI_CHAR_LEN_BITS 6
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`endif
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`ifdef SPI_MAX_CHAR_32
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`define SPI_MAX_CHAR 32
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`define SPI_CHAR_LEN_BITS 5
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`endif
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`ifdef SPI_MAX_CHAR_16
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`define SPI_MAX_CHAR 16
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`define SPI_CHAR_LEN_BITS 4
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`endif
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`ifdef SPI_MAX_CHAR_8
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`define SPI_MAX_CHAR 8
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`define SPI_CHAR_LEN_BITS 3
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`endif
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`ifdef SPI_SS_NB_8
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`define SPI_SS_NB 8
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`endif
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`ifdef SPI_SS_NB_16
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`define SPI_SS_NB 16
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`endif
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`ifdef SPI_SS_NB_32
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`define SPI_SS_NB 32
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`endif
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