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////s www.testbench.in s////
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////s VMM Tutorial s////
////s gopi@testbench.in s////
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`ifndef GUARD_RECEIVER
`define GUARD_RECEIVER
class Receiver extends vmm_xactor;
virtual output_interface.OP output_intf;
Packet_channel rcvr2sb_chan;
function new(string inst = "class",
int unsigned stream_id = -1,
virtual output_interface.OP output_intf_new,
Packet_channel rcvr2sb_chan);
super.new("Receiver",inst,stream_id);
this.output_intf = output_intf_new ;
if(rcvr2sb_chan == null)
`vmm_fatal(log,"rcvr2sb_channel is null");
else
this.rcvr2sb_chan = rcvr2sb_chan;
`vmm_note(log,"Receiver created ");
endfunction : new
task main();
logic [7:0] bytes[];
Packet pkt;
super.main();
`vmm_note(this.log," started main task ");
forever
begin
repeat(2) @(posedge output_intf.clock);
wait(output_intf.cb.ready)
output_intf.cb.read <= 1;
repeat(2) @(posedge output_intf.clock);
while (output_intf.cb.ready)
begin
bytes = new[bytes.size + 1](bytes);
bytes[bytes.size - 1] = output_intf.cb.data_out;
@(posedge output_intf.clock);
end
bytes[bytes.size - 1] = output_intf.cb.data_out;
output_intf.cb.read <= 0;
@(posedge output_intf.clock);
`vmm_note(this.log,"Received a packet ");
pkt = new();
pkt.byte_unpack(bytes);
pkt.display("rcvr");
rcvr2sb_chan.put(pkt);
bytes.delete();
end
endtask : main
endclass
`endif