1
0
mirror of https://github.com/aolofsson/oh.git synced 2025-01-30 02:32:53 +08:00
oh/common/hdl/emesh2packet.v
Andreas Olofsson 2b22d1c4af Adding emesh to packet converters
-getting tired of all the typing after all....
2015-04-22 16:43:52 -04:00

53 lines
1.7 KiB
Verilog

/*Converts an emesh bundle into a 104 bit packet*/
module emesh2packet(/*AUTOARG*/
// Outputs
packet_out,
// Inputs
access_in, write_in, datamode_in, ctrlmode_in, dstaddr_in, data_in,
srcaddr_in
);
parameter AW=32;
parameter DW=32;
parameter PW=104;
//Emesh signal bundle
input access_in;
input write_in;
input [1:0] datamode_in;
input [3:0] ctrlmode_in;
input [AW-1:0] dstaddr_in;
input [DW-1:0] data_in;
input [AW-1:0] srcaddr_in;
//Output packet
output [PW-1:0] packet_out;
assign packet_out[0] = access_in;
assign packet_out[1] = write_in;
assign packet_out[3:2] = datamode_in[1:0];
assign packet_out[7:4] = ctrlmode_in[7:4];
assign packet_out[39:8] = dstaddr_in[AW-1:0];
assign packet_out[71:40] = data_in[AW-1:0];
assign packet_out[103:72] = srcaddr_in[AW-1:0];
endmodule // emesh2packet
/*
Copyright (C) 2015 Adapteva, Inc.
Contributed by Andreas Olofsson <support@adapteva.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program (see the file COPYING). If not, see
<http://www.gnu.org/licenses/>.
*/