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<p style="text-align: center;"><strong><span style=";font-family:宋体;font-size:21px"><span style="font-family:宋体">英威腾</span></span></strong><strong><span style=";font-family:宋体;font-size:21px"><span style="font-family:宋体">VS触摸屏二维码的应用</span></span></strong></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">本例程中生成两个</span><span style="font-family:Times New Roman">16</span><span style="font-family:宋体">位正整数变量,用来模拟实际应用中需要生产二维码的数据。本例中显示</span><span style="font-family:Times New Roman">2</span><span style="font-family:宋体">个正整数变量共</span><span style="font-family:Times New Roman">10</span><span style="font-family:宋体">位数,实际应用中可根据需要定义二维码字符串的长度。</span></span></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">新建一个</span><span style="font-family:Times New Roman">VS</span><span style="font-family:宋体">触摸屏的空工程,添加一个画面,在画面中添加对应的控件。如下图</span></span></p><p><img src="/upload/article/20221031/1667213967849053.png" title="1667213967849053.png" alt="1.png" width="612" height="356" style="width: 612px; height: 356px;"/></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">画面各控件含义为</span></span></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Times New Roman">1</span><span style="font-family:宋体">)数值显示</span><span style="font-family:Times New Roman">1</span><span style="font-family:宋体">:</span><span style="font-family:Times New Roman">16</span><span style="font-family:宋体">位正整数,对应地址为</span><span style="font-family:Times New Roman">LW0</span><span style="font-family:宋体">。</span></span></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Times New Roman">2</span><span style="font-family:宋体">)数值显示</span><span style="font-family:Times New Roman">2</span><span style="font-family:宋体">:</span><span style="font-family:Times New Roman">16</span><span style="font-family:宋体">位正整数,对应地址为</span><span style="font-family:Times New Roman">LW1</span><span style="font-family:宋体">。</span></span></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Times New Roman">3</span><span style="font-family:宋体">)“随机码”位开关:地址</span><span style="font-family:Times New Roman">LB0</span><span style="font-family:宋体">;</span></span></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Times New Roman">4</span><span style="font-family:宋体">)“二维码字符串”</span><span style="font-family:Times New Roman">ASCII</span><span style="font-family:宋体">显示:地址</span><span style="font-family:Times New Roman">LW1000</span><span style="font-family:宋体">,总字数</span><span style="font-family:Times New Roman">11</span><span style="font-family:宋体">;</span></span></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:Times New Roman">5</span><span style="font-family:宋体">)二维码显示器:监视地址</span><span style="font-family:Times New Roman">LW1000</span><span style="font-family:宋体">,字符长度</span><span style="font-family:Times New Roman">11</span><span style="font-family:宋体">;</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">各控件属性如下图所示。</span></span></p><p><img src="/upload/article/20221031/1667214087794374.png" style="width: 470px; height: 416px;" title="1667214087794374.png" width="470" height="416"/></p><p><img src="/upload/article/20221031/1667214087470838.png" style="width: 470px; height: 398px;" title="1667214087470838.png" width="470" height="398"/></p><p><img src="/upload/article/20221031/1667214087169856.png" style="width: 474px; height: 396px;" title="1667214087169856.png" width="474" height="396"/></p><p><img src="/upload/article/20221031/1667214087789569.png" style="" title="1667214087789569.png"/></p><p><img src="/upload/article/20221031/1667214087759887.png" style="width: 485px; height: 375px;" title="1667214087759887.png" width="485" height="375"/></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:16px"><span style="font-family:宋体">单击</span><span style="font-family:宋体">“随机码”位开关触发宏程序RandomCode,程序如下:</span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">#include "MacroInit.h"</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">void Macro_main(IN *p)</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">{</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">MarcoInit</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">//ToDo</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">LocalWord[0]=RAND();//生成随机数LW0;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">LocalWord[1]=RAND();//生成随机数LW1;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:12px">}</span></p><p><img src="/upload/article/20221031/1667214186229865.png" title="1667214186229865.png" alt="7.png"/></p><p><br/></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">循环宏程序</span><span style="font-family:Times New Roman">QR_Code</span><span style="font-family:宋体">将两个随机数生产二维码字符串,程序如下:</span></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">#include "MacroInit.h"</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">void Macro_main(IN *p)</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">{</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">MarcoInit</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">//ToDo</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">char source[10];</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[0]=LocalWord[0]/10000; //将LW0分解,第5位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[1]=(LocalWord[0]/1000)%10; //将LW0分解,第4位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[2]=(LocalWord[0]/100)%10; //将LW0分解,第3位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[3]=(LocalWord[0]/10)%10; //将LW0分解,第2位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[4]=(LocalWord[0]/1)%10; //将LW0分解,第1位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[5]=LocalWord[1]/10000; //将LW1分解,第5位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[6]=(LocalWord[1]/1000)%10; //将LW1分解,第5位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[7]=(LocalWord[1]/100)%10; //将LW1分解,第5位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[8]=(LocalWord[1]/10)%10; //将LW1分解,第5位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">source[9]=(LocalWord[1]/1)%10; //将LW1分解,第5位数值</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">char res[11];</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">int i=0;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">for(i=0;i<10;i++)</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">{</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">res=source+48; //将0~9的数值转换成ASCII码字符 </span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">}</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">res[10]=0;//字符串以/0结束</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">memcpy((char*)&LocalWord[1000],res,11);//将字符串赋给LW1000二维码地址</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:0"><span style=";font-family:宋体;font-size:10px">}</span></p><p><img src="/upload/article/20221031/1667214231878489.png" title="1667214231878489.png" alt="8.png"/></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">注意,虽然二维码显示的字符串只显示</span><span style="font-family:Times New Roman">10</span><span style="font-family:宋体">位数,但是实际字符串变量长度为</span><span style="font-family:Times New Roman">11</span><span style="font-family:宋体">位,因为字符串最后</span><span style="font-family:Times New Roman">1</span><span style="font-family:宋体">位为</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:Times New Roman">‘</span></span><span style=";font-family:宋体;font-size:14px"><span style="font-family:Times New Roman">/0</span></span><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:Times New Roman">’</span></span><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">。</span></span></p><p style="text-indent:28px;line-height:150%"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">离线模拟,点击</span><span style="font-family:宋体">“随机码”按钮,生产随机码并显示结果,如下图。</span></span></p><p><img src="/upload/article/20221031/1667214286801604.png" title="1667214286801604.png" alt="9.png"/></p><p style="text-indent: 28px; line-height: 150%;"><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">用手机微信扫一下二维码,得到如下图结</span></span><span style="font-family: 宋体; font-size: 14px;">果。</span><img src="/upload/article/20221031/1667214336368230.png" title="1667214336368230.png" alt="10.png"/></p> |