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標題: 大神們，matlab代碼求解釋 [打印本頁]

作者: z809275807 時間: 2020-10-29 20:40
標題: 大神們，matlab代碼求解釋
s=serial(PORT);
         fclose(s);
         s.status
         fopen(s);
         s.status
         %%%%%%%%%%%%%%%利用找空格的方法，確保讀取串口值為正常有效值
         f = 1;
         N = 25;
         while f <= N
            Bstr = fscanf(s)
            q = num2str(f);
            index = find(Bstr==' ')
            %if ( Bstr(1:(index(1)-2)) ~= ['x' q] |  Bstr((index(3)+1):(index(4)-2)) ~= ['y' q] |  Bstr((index(6)+1):(index(7)-2)) ~= ['z' q] )
            if ( str2num(Bstr(1:(index(1)-2))) ~= str2num(['x' q]) |  str2num(Bstr((index(3)+1):(index(4)-2))) ~= str2num(['y' q]) |  str2num(Bstr((index(6)+1):(index(7)-2))) ~= str2num(['z' q]) )
                  f = 1;
                  continue;
            end
            len = length(index)
            Bx(1,f) =  str2num( Bstr( index(1):index(2) ) );
            By(1,f) =  str2num( Bstr( index(4):index(5) ) );
            Bz(1,f) =  str2num( Bstr( index(7):length(Bstr) ) );
            if abs(Bx(f))>=4096 | Bx(f)==0 | abs(By(f))>=4096 | By(f)==0 | abs(Bz(f))>=4096 | Bz(f)==0
                  display('數據超范圍。');
                  return
            end
            f = f + 1;
         end

作者: z809275807 時間: 2020-10-29 20:41
解釋一下怎么用的啊，從if那就看不懂了

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