| Line 41... |
Line 41... |
//
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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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// Default is 16.
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//
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//
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`define SPI_DIVIDER_BIT_NB 16
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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_32
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//
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//
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// Maximum nuber of bits that can be send/received at once. Alloved values are
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// Maximum nuber of bits that can be send/received at once.
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// 128, 64, 32, 16 and 8. SPI_CHAR_LEN_BITS must be also set to 7, 6, 5, 4 or 3 respectively.
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//
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// Default is 128.
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`define SPI_MAX_CHAR_128
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// If SPI_MAX_CHAR is 64 or 128, SPI_MAX_CHAR_64 or SPI_MAX_CHAR_128 must be defined,
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//`define SPI_MAX_CHAR_64
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// otherwise comment it out.
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//`define SPI_MAX_CHAR_32
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//
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//`define SPI_MAX_CHAR_16
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`define SPI_MAX_CHAR_128 1
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//`define SPI_MAX_CHAR_8
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//`define SPI_MAX_CHAR_64 1
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`define SPI_MAX_CHAR 128
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`define SPI_CHAR_LEN_BITS 7
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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.
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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_32
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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 96... |
Line 98... |
`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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No newline at end of file
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No newline at end of file
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