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Adding emesh to packet converters

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-getting tired of all the typing after all....
This commit is contained in:
Andreas Olofsson 2015-04-22 16:43:52 -04:00
parent cc5f165454
commit 2b22d1c4af
2 changed files with 104 additions and 0 deletions
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52
common/hdl/emesh2packet.v Normal file
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/*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/>.
*/

52
common/hdl/packet2emesh.v Normal file
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/*Converts an emesh bundle into a 104 bit packet*/
module packet2emesh(/*AUTOARG*/
// Outputs
access_out, write_out, datamode_out, ctrlmode_out, dstaddr_out,
data_out, srcaddr_out,
// Inputs
packet_in
);
parameter AW=32;
parameter DW=32;
parameter PW=104;
//Emesh signal bundle
output access_out;
output write_out;
output [1:0] datamode_out;
output [3:0] ctrlmode_out;
output [AW-1:0] dstaddr_out;
output [DW-1:0] data_out;
output [AW-1:0] srcaddr_out;
//Output packet
input [PW-1:0] packet_in;
assign access_out = packet_in[0];
assign write_out = packet_in[1];
assign datamode_out[1:0] = packet_in[3:2];
assign ctrlmode_out[3:0] = packet_in[7:4];
assign dstaddr_out[AW-1:0] = packet_in[39:8];
assign data_out[AW-1:0] = packet_in[71:40];
assign srcaddr_out[AW-1:0] = packet_in[103:72];
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/>.
*/