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/*
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Author: Sebastien Riou (acapola)
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Creation date: 17:16:40 01/09/2011
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$LastChangedDate: 2011-01-29 13:16:17 +0100 (Sat, 29 Jan 2011) $
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$LastChangedBy: acapola $
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$LastChangedRevision: 11 $
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$HeadURL: file:///svn/iso7816_3_master/iso7816_3_master/trunk/test/ComRxDriverTasks.v $
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This file is under the BSD licence:
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Copyright (c) 2011, Sebastien Riou
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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The names of contributors may not be used to endorse or promote products derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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`default_nettype none
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//wire txRun,txPending, rxRun, rxStartBit, isTx, overrunErrorFlag, frameErrorFlag, bufferFull;
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//wire txRun,txPending, rxRun, rxStartBit, isTx, overrunErrorFlag, frameErrorFlag, bufferFull;
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//assign {txRun, txPending, rxRun, rxStartBit, isTx, overrunErrorFlag, frameErrorFlag, bufferFull} = COM_statusOut;
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//assign {txRun, txPending, rxRun, rxStartBit, isTx, overrunErrorFlag, frameErrorFlag, bufferFull} = COM_statusOut;
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task privateTaskReceiveByteCore;
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task privateTaskReceiveByteCore;
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begin
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begin
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wait(txPending==1'b0);//wait start of last tx if any
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wait(txPending==1'b0);//wait start of last tx if any
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wait(txRun==1'b0);//wait end of previous transmission if any
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wait(txRun==1'b0);//wait end of previous transmission if any
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wait(bufferFull==1'b1);//wait reception of a byte
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wait(bufferFull==1'b1);//wait reception of a byte
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@(posedge COM_clk);
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@(posedge COM_clk);
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nCsDataOut=0;
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nCsDataOut=0;
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@(posedge COM_clk);
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@(posedge COM_clk);
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nCsDataOut=1;
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nCsDataOut=1;
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end
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end
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endtask
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endtask
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task receiveByte;
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task receiveByte;
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output reg [7:0] rxData;
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output reg [7:0] rxData;
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begin
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begin
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privateTaskReceiveByteCore;
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privateTaskReceiveByteCore;
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rxData=dataOut;
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rxData=dataOut;
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@(posedge COM_clk);
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@(posedge COM_clk);
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end
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end
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endtask
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endtask
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task receiveAndCheckByte;
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task receiveAndCheckByte;
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input [7:0] data;
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input [7:0] data;
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begin
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begin
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privateTaskReceiveByteCore;
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privateTaskReceiveByteCore;
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if(data!=dataOut) begin
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if(data!=dataOut) begin
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COM_errorCnt=COM_errorCnt+1;
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COM_errorCnt=COM_errorCnt+1;
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$display("ERROR %d: Received %x instead of %x",COM_errorCnt, dataOut, data);
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$display("ERROR %d: Received %x instead of %x",COM_errorCnt, dataOut, data);
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end
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end
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@(posedge COM_clk);
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@(posedge COM_clk);
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end
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end
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endtask
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endtask
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//Higher level tasks
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//Higher level tasks
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task receiveAndCheckHexBytes;
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task receiveAndCheckHexBytes;
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input [16*257:0] bytesString;
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input [16*257:0] bytesString;
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integer i;
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integer i;
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reg [15:0] byteInHex;
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reg [15:0] byteInHex;
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reg [7:0] byteToCheck;
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reg [7:0] byteToCheck;
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begin
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begin
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for(i=16*256;i>=0;i=i-16) begin
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for(i=16*256;i>=0;i=i-16) begin
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byteInHex=bytesString[i+:16];
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byteInHex=bytesString[i+:16];
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if(16'h0!=byteInHex) begin
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if(16'h0!=byteInHex) begin
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byteToCheck=hexString2Byte(byteInHex);
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byteToCheck=hexString2Byte(byteInHex);
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receiveAndCheckByte(byteToCheck);
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receiveAndCheckByte(byteToCheck);
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end
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end
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end
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end
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end
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end
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