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https://opencores.org/ocsvn/ethmac/ethmac/trunk
[/] [ethmac/] [trunk/] [rtl/] [verilog/] [eth_txethmac.v] - Diff between revs 277 and 328
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| Rev 277 |
Rev 328 |
| Line 41... |
Line 41... |
//////////////////////////////////////////////////////////////////////
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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 1.8 2003/01/30 13:33:24 mohor
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// When padding was enabled and crc disabled, frame was not ended correctly.
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//
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// Revision 1.7 2002/02/26 16:24:01 mohor
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// Revision 1.7 2002/02/26 16:24:01 mohor
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// RetryCntLatched was unused and removed from design
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// RetryCntLatched was unused and removed from design
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//
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//
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// Revision 1.6 2002/02/22 12:56:35 mohor
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// Revision 1.6 2002/02/22 12:56:35 mohor
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// Retry is not activated when a Tx Underrun occured
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// Retry is not activated when a Tx Underrun occured
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| Line 173... |
Line 176... |
wire StateIPG;
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wire StateIPG;
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wire StateIdle;
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wire StateIdle;
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wire StatePAD;
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wire StatePAD;
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wire StateFCS;
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wire StateFCS;
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wire StateJam;
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wire StateJam;
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wire StateJam_q;
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wire StateBackOff;
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wire StateBackOff;
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wire StateSFD;
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wire StateSFD;
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wire StartTxRetry;
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wire StartTxRetry;
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wire UnderRun;
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wire UnderRun;
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wire TooBig;
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wire TooBig;
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| Line 345... |
Line 349... |
assign RetryMax = RetryCnt[3:0] == MaxRet[3:0];
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assign RetryMax = RetryCnt[3:0] == MaxRet[3:0];
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// Transmit nibble
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// Transmit nibble
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always @ (StatePreamble or StateData or StateData or StateFCS or StateJam or StateSFD or TxData or
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always @ (StatePreamble or StateData or StateData or StateFCS or StateJam or StateSFD or TxData or
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Crc or NibCnt or NibCntEq15)
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Crc or NibCntEq15)
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begin
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begin
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if(StateData[0])
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if(StateData[0])
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MTxD_d[3:0] = TxData[3:0]; // Lower nibble
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MTxD_d[3:0] = TxData[3:0]; // Lower nibble
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else
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else
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if(StateData[1])
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if(StateData[1])
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