serrial encoder.cpp

该代码是802.3ap推荐代码fir吗(42,33)的编码器和解码器,该代码采用C语言实现,可以完成译码功能,该代码采用并行编译码方式实现,可以应用于100G以太网的FEC

#include<iostream.h>
void main()
{
	//int signal_in[33]={1,0,1,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,1,0,1};
	int signal_in[42]={1,0,1,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,1,0,1,0,0,0,1,1,0,1,1,1};
	int reg[9]={0};
	int next_reg[9]={0};
	int cycle,var_i;
	cycle=0;
	while(cycle<42)
	{
		cout<<signal_in[cycle]<<" ";
		next_reg[0]=reg[8]^signal_in[cycle];
		next_reg[1]=reg[0]^reg[8]^signal_in[cycle];
		next_reg[2]=reg[1];
		next_reg[3]=reg[2]^reg[8]^signal_in[cycle];
		next_reg[4]=reg[3];
		next_reg[5]=reg[4];
		next_reg[6]=reg[5]^reg[8]^signal_in[cycle];
		next_reg[7]=reg[6]^reg[8]^signal_in[cycle];
		next_reg[8]=reg[7];
		for(var_i=0;var_i<9;var_i++)
		{
			reg[var_i]=next_reg[var_i];
		}
		cycle+=1;
	}
	cout<<endl;
	for(var_i=0;var_i<9;var_i++)
	{
		cout<<reg[var_i]<<" ";
	}
}