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https://opencores.org/ocsvn/ethmac/ethmac/trunk
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Rev 64 |
Line 39... |
Line 39... |
//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.6 2002/02/11 09:18:21 mohor
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// Tx status is written back to the BD.
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//
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// Revision 1.5 2002/02/08 16:21:54 mohor
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// Revision 1.5 2002/02/08 16:21:54 mohor
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// Rx status is written back to the BD.
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// Rx status is written back to the BD.
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//
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//
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// Revision 1.4 2002/01/23 10:28:16 mohor
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// Revision 1.4 2002/01/23 10:28:16 mohor
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// Link in the header changed.
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// Link in the header changed.
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Line 372... |
Line 375... |
always @ (posedge MTxClk or posedge Reset)
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always @ (posedge MTxClk or posedge Reset)
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begin
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begin
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if(Reset)
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if(Reset)
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CarrierSenseLost <=#Tp 1'b0;
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CarrierSenseLost <=#Tp 1'b0;
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else
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else
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if((StatePreamble | (|StateData)) & ~CarrierSense)
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if((StatePreamble | (|StateData)) & ~CarrierSense & ~Collision)
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CarrierSenseLost <=#Tp 1'b1;
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CarrierSenseLost <=#Tp 1'b1;
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else
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else
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if(TxStartFrm)
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if(TxStartFrm)
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CarrierSenseLost <=#Tp 1'b0;
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CarrierSenseLost <=#Tp 1'b0;
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end
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end
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