OFDM基帶處理器芯片設(shè)計(jì)與FPGA實(shí)現(xiàn)時(shí)間同步模塊的部分代碼

1、附錄時(shí)間同步模塊的部分代碼moduleTime_Syncronization(Clk,Rst_n,DataInEnable,DataInRe,DataInIm,DataOutEnable,DataOutRe,Da taOutIm,DataSymbol);input Clk;input Rst_n;input DataInEnable;input 7:0DataInRe;input 7:0DataInIm;output DataOutEnable;output 7:0DataOutRe;output 7:0DataOutIm;output 7:0DataSymbol;wire Quantizat

2、ionEnable;wire 15:0Quantization_Result_Real;wire 15:0Quantization_Result_Imag;Quantization Quantization (.Clk(Clk),.Rst_n(Rst_n),.inEn(DataInEnable),.bitInR(DataInRe),.bitInI(DataInIm),.QuantizationEnable(QuantizationEnable),.Quantization_Result_Real(Quantization_Result_Real), .Quantization_Result_I

3、mag(Quantization_Result_Imag);wire PeakFinded;Match_Filtering MatchFiltering (.Clk(Clk),.Rst_n(Rst_n),.QuanEnable(QuantizationEnable),.QuanDataRe(Quantization_Result_Real),.QuanDataIm(Quantization_Result_Imag),.PeakFinded(PeakFinded);Symbol_Output SymbolOutput (Clk(Clk),.Rst_ n(Rst_ n),P eakFi nded(

4、PeakF in ded),.Datal nRe(Datal nRe),.Datal nlm (Datal nl m),.DataOutE nable(DataOutE nable),.DataOutRe(DataOutRe),.DataOutlm(DataOutlm),.DataSymbol(DataSymbol);en dmodulePart1: Quan tizati onmoduleQuan tizati on( Clk,Rst_ n,i nEn, bit In R,bit In l,Qua ntizati onEn able,Qua ntizati on _Result_Real,Q

5、ua ntiz ati on _Result_lmag);in put Clk;in put Rst_n;in put inEn;in put 7:0bit InR;in put 7:0bitl nl;output Quan tizati onEn able;reg Quan tizati onEn able;output 15:0Qua ntization_Result_Real;output 15:0Qua ntizati on _Result_Imag;reg 15:0Qua ntization_Result_Real;reg 15:0Qua ntizati on _Result_Ima

6、g;reg BufferE nable;reg 7:0BufferDataR;reg 7:0BufferDataI;always (posedge Clk or n egedge Rst_n)beginif(!Rst_n)beginBufferE nable <= 0;BufferDataR <= 0; BufferDatal <= 0;endelsebeginif(i nEn)beginBufferE nable <= 1;BufferDataR <= bit InR;BufferDatal <= bit Ini;elsebeginBufferE nabl

7、e <= 0;BufferDataR <= 0;BufferDatal <= 0; endendendreg 191:0 Contin ual_Accumulation_Real;reg 191:0 Con ti nu al_Accumulati on_l mag;reg AddE nable;always (posedge Clk or n egedge Rst_n)beginif (!Rst_ n)beginCon ti nual_Accumulati on _Real <= 0;Con ti nual_Accumulati on _Imag <= 0;Add

8、E nable <= 0;endelsebeginif(BufferE nable)beginContin ual_Accumulation_Real191:12<= Contin ual_Accumulation_Real179:0;Contin ual_Accumulation_lmag191:12 <= Contin ual_Accumulationm ag179:0;Contin ual_Accumulation_Real11:0<= 4BufferDataR7,BufferDataR +Con ti nu al_Accumulation_Real191:180

9、;Contin ual_Accumulationm ag11:0<= 4BufferDataI7,BufferDataI +Con ti nu al_Accumulationm ag191:180;AddEnable <= 1;endelsebeginCon ti nual_Accumulati on _Real <= 0;Con ti nual_Accumulatio nmag <= 0;AddE nable <= 0;endend always (posedge Clk or n egedge Rst_n)beginif(!Rst_n)beginQuan ti

10、zati on _Result_Real <= 0;Quan tizati on _Result_Imag <= 0;Quan tizati onEn able <= 0;endelsebeginif(AddE nable)beginQuan tizati onEn able <= 1;Qua ntization_Result_Real14:0 <= Qua ntization_Result_Real15:1;Qua ntization_Result_lmag14:0 <= Qua ntization_Result_lmag15:1;Qua ntization_Result_Real15 <= Continu al_Accumulation_Real11; Quan tizati on _Result_Imag15 <= Contin