module temperature (clk,dq, d,cont,temp ); input clk; //时钟1MHZinput dq; //数字温度串行输入端口output d; //控制信号输出端口output cont; //三态门控制信号output [9:0] temp; //10为温度值并行输出端口reg d;reg cont;reg [9:0] temp;reg data;reg [6:0] num; //时隙计数，70个时钟周期为一个时隙reg [6:0] count; //一次温度转换和输出技术，70个时隙reg [9:0] t;




always @(posedge clk)begin num = num + 1 ; if (num > 7'b1000100) begin num = 7'b0000000; if (count == 7'b1001011) begin count = 7'b0000000 ; end else begin count = count + 1 ; end end else begin num = num + 1 ; end
//--------------------------------------------------------------- if (count >= 7'b0000000 && count <= 7'b0000110) //reset脉冲 begin data = 0 ; cont = 0 ; end //---------------------------------------------------------------
else if (count > 7'b0000110 && count <= 7'b0001101) //presenc脉冲 begin cont = 0 ; end //---------------------------------------------------------------
else if (count == 7'b0001110 || count == 7'b0001111 || count == 7'b0010010 || count == 7'b0010011) ; //skip‘0’空隙 begin if (num >= 7'b0000000 && num < 7'b0111100) begin data = 0 ; cont = 1 ; end else begin cont = 0 ; end end
//---------------------------------------------------------------
else if (count == 7'b0010000 || count == 7'b0010001 || count == 7'b0010100 || count == 7'b0010101) ; begin if (num >= 7'b0000000 && num < 7'b0001010) begin data = 0 ; cont = 1 ; end else begin cont = 0 ; end end
//---------------------------------------------------------------
else if (count == 7'b0010110 || count == 7'b0010111 || count == 7'b0011001 || count == 7'b0011010 || count == 7'b0011011 || count == 'b0011101) ; //convert'0' begin if (num >= 'b0000000 && num < 'b0111100) begin data = 0 ; cont = 1 ; end else begin cont = 0 ; end end //---------------------------------------------------------------
else if (count == 'b0011000 && count == 'b0011100) begin if (num >= 'b0000000 && num < 'b00011100) begin data = 0 ; cont = 0 ; end else begin cont = 0 ; end end
//---------------------------------------------------------------
else if (count == 'b0011110 && count == 'b0100100) //reste begin data = 0 ; cont = 0 ; end
//---------------------------------------------------------------
else if (count == 'b0100101 && count == 'b0101011) //presence begin cont = 0 ; endendendmodule 此帖出自小平头技术问答