URL https://opencores.org/ocsvn/srdydrdy_lib/srdydrdy_lib/trunk

Subversion Repositories srdydrdy_lib

[/] [srdydrdy_lib/] [trunk/] [examples/] [bridge/] [env/] [gmii_driver.v] - Diff between revs 8 and 11

Rev 8	Rev 11
Line 65...	Line 65...
`// Swap and Complement:`	`// Swap and Complement:`
`crc32_result = ~{temp[7:0], temp[15:8], temp[23:16], temp[31:24]};`	`crc32_result = ~{temp[7:0], temp[15:8], temp[23:16], temp[31:24]};`
`end`	`end`
`endtask`	`endtask`

	`task print_packet;`
	`input [31:0] length;`
	`integer i;`
	`begin`
	`for (i=0; i<length; i=i+1)`
	`begin`
	`if (i % 16 == 0) $write ("%x: ", i[15:0]);`
	`$write ("%x ", rxbuf[i]);`
	`if (i % 16 == 7) $write ("\| ");`
	`if (i % 16 == 15) $write ("\n");`
	`end`
	`if (i % 16 != 0) $write ("\n");`
	`end`
	`endtask`

`task send_packet;`	`task send_packet;`
`input [47:0] da, sa;`	`input [47:0] da, sa;`
`input [15:0] length;`	`input [15:0] length;`
`integer p;`	`integer p;`
`begin`	`begin`
Line 80...	Line 95...
`gencrc32 (length);`	`gencrc32 (length);`
`{ rxbuf[length-4], rxbuf[length-3],`	`{ rxbuf[length-4], rxbuf[length-3],`
`rxbuf[length-2], rxbuf[length-1] } = crc32_result;`	`rxbuf[length-2], rxbuf[length-1] } = crc32_result;`

`$display ("%m : Sending packet DA=%x SA=%x of length %0d", da, sa, length);`	`$display ("%m : Sending packet DA=%x SA=%x of length %0d", da, sa, length);`
	`print_packet (length);`

`repeat (7)`	`repeat (7)`
`begin`	`begin`
`@(posedge rx_clk);`	`@(posedge rx_clk);`
`rx_dv <= #1 1;`	`rx_dv <= #1 1;`
rxd <= #1 `GMII_PRE;	rxd <= #1 `GMII_PRE;