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/*
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/*
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Author: Sebastien Riou (acapola)
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Author: Sebastien Riou (acapola)
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Creation date: 23:57:02 08/31/2010
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Creation date: 23:57:02 08/31/2010
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$LastChangedDate: 2011-01-29 17:13:49 +0100 (Sat, 29 Jan 2011) $
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$LastChangedDate: 2011-02-13 16:20:10 +0100 (Sun, 13 Feb 2011) $
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$LastChangedBy: acapola $
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$LastChangedBy: acapola $
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$LastChangedRevision: 12 $
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$LastChangedRevision: 15 $
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$HeadURL: file:///svn/iso7816_3_master/iso7816_3_master/trunk/sources/Uart.v $
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$HeadURL: file:///svn/iso7816_3_master/iso7816_3_master/trunk/sources/Uart.v $
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This file is under the BSD licence:
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This file is under the BSD licence:
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Copyright (c) 2011, Sebastien Riou
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Copyright (c) 2011, Sebastien Riou
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wire txStopBits;
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wire txStopBits;
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assign isTx = txRun & ~txStopBits;
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assign isTx = txRun & ~txStopBits;
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assign loadDataIn = startTx & ~rxStartBit & (~rxRun | endOfRx);
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assign loadDataIn = startTx & ~rxStartBit & (~rxRun | endOfRx);
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reg [CLOCK_PER_BIT_WIDTH-1:0] safeClocksPerBit;
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reg [CLOCK_PER_BIT_WIDTH-1:0] safeClocksPerBit;
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reg safeStopBit2;
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reg safeOddParity;
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reg safeMsbFirst;
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always @(posedge clk, negedge nReset) begin
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always @(posedge clk, negedge nReset) begin
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if(~nReset) begin
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if(~nReset) begin
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safeClocksPerBit<=clocksPerBit;
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safeClocksPerBit<=clocksPerBit;
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safeStopBit2<=stopBit2;
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safeOddParity<=oddParity;
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safeMsbFirst<=msbFirst;
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end else if(endOfRx|endOfTx|~(rxRun|rxStartBit|txRun)) begin
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end else if(endOfRx|endOfTx|~(rxRun|rxStartBit|txRun)) begin
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safeClocksPerBit<=clocksPerBit;
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safeClocksPerBit<=clocksPerBit;
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safeStopBit2<=stopBit2;
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safeOddParity<=oddParity;
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safeMsbFirst<=msbFirst;
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end
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end
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end
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end
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wire stopBit;
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wire stopBit;
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// Instantiate the module
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// Instantiate the module
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.run(rxRun),
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.run(rxRun),
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.startBit(rxStartBit),
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.startBit(rxStartBit),
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.stopBit(stopBit),
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.stopBit(stopBit),
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.clkPerCycle(clkPerCycle),
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.clkPerCycle(clkPerCycle),
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.clocksPerBit(safeClocksPerBit),
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.clocksPerBit(safeClocksPerBit),
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.stopBit2(stopBit2),
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.stopBit2(safeStopBit2),
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.oddParity(oddParity),
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.oddParity(safeOddParity),
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.msbFirst(msbFirst),
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.msbFirst(safeMsbFirst),
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.ackFlags(ackFlags),
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.ackFlags(ackFlags),
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.serialIn(rxSerialIn),
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.serialIn(rxSerialIn),
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.comClk(comClk),
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.comClk(comClk),
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.clk(clk),
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.clk(clk),
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.nReset(nReset)
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.nReset(nReset)
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.full(txFull),
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.full(txFull),
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.stopBits(txStopBits),
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.stopBits(txStopBits),
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.dataIn(txData),
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.dataIn(txData),
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.clkPerCycle(clkPerCycle),
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.clkPerCycle(clkPerCycle),
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.clocksPerBit(safeClocksPerBit),
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.clocksPerBit(safeClocksPerBit),
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.stopBit2(stopBit2),
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.stopBit2(safeStopBit2),
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.oddParity(oddParity),
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.oddParity(safeOddParity),
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.msbFirst(msbFirst),
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.msbFirst(safeMsbFirst),
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.loadDataIn(loadDataIn),
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.loadDataIn(loadDataIn),
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.comClk(comClk),
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.comClk(comClk),
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.clk(clk),
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.clk(clk),
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.nReset(nReset)
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.nReset(nReset)
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);
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);
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