首页
学习
活动
专区
圈层
工具
发布
社区首页 >问答首页 >SystemVerilog:赋值模式元素<name>:元素宽度不匹配(错误: vlog-7034)

SystemVerilog:赋值模式元素<name>:元素宽度不匹配(错误: vlog-7034)
EN

Stack Overflow用户
提问于 2016-11-30 17:07:00
回答 1查看 270关注 0票数 1

我正在尝试(不成功)使用多维数组发送硬编码的常量数组,这些常量数组可以由其他模块中的计数器索引。

我目前的策略是使用参数数组,它编译和部署,但每个数组元素中的第一个位在硬件上只考虑一次。这反映在RTL视图中,因此我转到modelsim并收到以下错误:

代码语言:javascript
复制
Error: (vlog-7034) <path>(<line>): Array assignment to type 'reg[9:0] $[19:0]' from type 'reg $[19:0]':  Assignment pattern element 'NoMove':  Element widths (10, 1) don't match

我的密码在这里:

代码语言:javascript
复制
module EScheduler(input Clk, Reset,
                output reg [9:0] ESchedCtr,
                output reg [9:0] ESchedX [NE - 1:0][NM - 1:0], ESchedY [NE - 1:0][NM - 1:0],
                output reg [9:0] EShipInitialX [NE - 1:0], EShipInitialY [NE - 1:0],
                output reg ESchedFire [NE - 1:0][NM - 1:0]);
    logic clkby2;
    initial clkby2 = 0;
    always_ff @ (posedge Clk)
    begin
        clkby2 <= ~clkby2;
    end
    parameter PlusOne = 10'b1;
    parameter MinusOne = (~(PlusOne) + 10'b1);
    parameter reg NoMove [NM - 1:0] = '{10'd0, 10'd0, 10'd0, 10'd0, 10'd0,
                                        10'd0, 10'd0, 10'd0, 10'd0, 10'd0,
                                        10'd0, 10'd0, 10'd0, 10'd0, 10'd0,
                                        10'd0, 10'd0, 10'd0, 10'd0, 10'd0};
    parameter reg CircleX [NM - 1:0] = '{   PlusOne, PlusOne, PlusOne, PlusOne, PlusOne,
                                            MinusOne, MinusOne, MinusOne, MinusOne, MinusOne,
                                            MinusOne, MinusOne, MinusOne, MinusOne, MinusOne,
                                            PlusOne, PlusOne, PlusOne, PlusOne, PlusOne};
    parameter reg CircleY [NM - 1:0] = '{   PlusOne, PlusOne, PlusOne, PlusOne, PlusOne,
                                            PlusOne, PlusOne, PlusOne, PlusOne, PlusOne,
                                            MinusOne, MinusOne, MinusOne, MinusOne, MinusOne,
                                            MinusOne, MinusOne, MinusOne, MinusOne, MinusOne};
    parameter reg BackAndForth [NM - 1:0] = '{  PlusOne, MinusOne, PlusOne, MinusOne, PlusOne,
                                                MinusOne, PlusOne, MinusOne, PlusOne, MinusOne,
                                                PlusOne, MinusOne, PlusOne, MinusOne, PlusOne,
                                                MinusOne, PlusOne, MinusOne, PlusOne, MinusOne};
    parameter reg FireOnFrame13 [NM - 1:0] = '{1'b0, 1'b0, 1'b0, 1'b0, 1'b0,
                                    1'b0, 1'b0, 1'b0, 1'b0, 1'b0,
                                    1'b0, 1'b0, 1'b1, 1'b1, 1'b1,
                                    1'b0, 1'b0, 1'b0, 1'b0, 1'b0 };
    always_ff @ (posedge clkby2)
    begin
        if(Reset == 1'b1)
        begin
            ESchedCtr <= 10'b0;
        end
        else
        begin
            if(ESchedCtr >= NM - 1)
                ESchedCtr <= 10'b0;
            else
                ESchedCtr <= ESchedCtr + 10'b1;
        end
        ESchedFire <= '{ FireOnFrame13, FireOnFrame13,
                FireOnFrame13, FireOnFrame13,
                FireOnFrame13, FireOnFrame13,
                FireOnFrame13, FireOnFrame13,
                FireOnFrame13, FireOnFrame13 };
    end
    always_comb
    begin
        EShipInitialX = '{10'd020, 10'd080, 10'd140, 10'd200, 10'd260, 10'd320, 10'd380, 10'd440, 10'd500, 10'd560};
        EShipInitialY = '{10'd040, 10'd040, 10'd040, 10'd040, 10'd040, 10'd040, 10'd040, 10'd040, 10'd040, 10'd040};
        ESchedX = '{9: CircleX, 8: BackAndForth, 7: CircleY, 6: NoMove, 5: NoMove,
                    4: NoMove, 3: NoMove, 2: NoMove, 1: NoMove, 0: NoMove};
        ESchedY = '{CircleY, NoMove, CircleX, NoMove, NoMove,
                    NoMove, NoMove, NoMove, NoMove, NoMove};
    end
endmodule 

我开始使用这里提供的答案:https://verificationacademy.com/forums/systemverilog/working-multi-dimensional-associative-arrays

它使用冒号来定义每个元素所在的索引,但这并不成功。谷歌搜索中没有提到这个错误。

EN

回答 1

Stack Overflow用户

回答已采纳

发布于 2016-11-30 17:13:20

幸运的是,愚蠢的错误。我忘记在参数声明中包括字段宽度:

代码语言:javascript
复制
parameter reg [9:0] CircleX [NM - 1:0] = '{   PlusOne, PlusOne, PlusOne, PlusOne, PlusOne,
                                        MinusOne, MinusOne, MinusOne, MinusOne, MinusOne,
                                        MinusOne, MinusOne, MinusOne, MinusOne, MinusOne,
                                        PlusOne, PlusOne, PlusOne, PlusOne, PlusOne};
parameter reg [9:0] CircleY [NM - 1:0] = '{   PlusOne, PlusOne, PlusOne, PlusOne, PlusOne,
                                        PlusOne, PlusOne, PlusOne, PlusOne, PlusOne,
                                        MinusOne, MinusOne, MinusOne, MinusOne, MinusOne,
                                        MinusOne, MinusOne, MinusOne, MinusOne, MinusOne};
parameter reg [9:0] BackAndForth [NM - 1:0] = '{  PlusOne, MinusOne, PlusOne, MinusOne, PlusOne,
                                            MinusOne, PlusOne, MinusOne, PlusOne, MinusOne,
                                            PlusOne, MinusOne, PlusOne, MinusOne, PlusOne,
                                            MinusOne, PlusOne, MinusOne, PlusOne, MinusOne};
parameter reg FireOnFrame13 [NM - 1:0] = '{1'b0, 1'b0, 1'b0, 1'b0, 1'b0,
                                1'b0, 1'b0, 1'b0, 1'b0, 1'b0,
                                1'b0, 1'b0, 1'b1, 1'b1, 1'b1,
                                1'b0, 1'b0, 1'b0, 1'b0, 1'b0 };

我将保留这个解决方案,以便其他人可以从搜索结果中看到这个错误代码中获益。

票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/40894182

复制
相关文章

相似问题

领券
问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档