{"id":331,"date":"2026-01-18T23:59:13","date_gmt":"2026-01-18T15:59:13","guid":{"rendered":"http:\/\/liulifengblog.com\/?p=331"},"modified":"2026-01-20T21:15:56","modified_gmt":"2026-01-20T13:15:56","slug":"lanqiaobei-smgplus","status":"publish","type":"post","link":"http:\/\/liulifengblog.com\/index.php\/2026\/01\/18\/lanqiaobei-smgplus\/","title":{"rendered":"\u84dd\u6865\u676f\u5355\u7247\u673a\u63d0\u5347\u7bc7-\u6570\u7801\u7ba1"},"content":{"rendered":"\n

\u6570\u7801\u7ba1\u63a7\u5236\u4ee3\u7801<\/h3>\n\n\n\n
\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/<\/div><\/figure>\n\n\n\n
\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/<\/div><\/figure>\n\n\n\n
\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/<\/div><\/figure>\n\n\n\n

\u8003\u70b9<\/h3>\n\n\n\n

1.\u663e\u793a\u6570\u5b57<\/h4>\n\n\n\n

\u4ee5num = 1234\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n

 SMG[4] = num\/1000;
 SMG[5] = num\/100%10;
 SMG[6] = num\/10%10;
 SMG[7] = num%10;<\/code><\/pre>\n\n\n\n
2.\u663e\u793a\u5c0f\u6570\u70b9<\/h4>\n\n\n\n
\u4ee5\u663e\u793aadc\u91c7\u6837\u7535\u538b\uff0c\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n
 uint adc;
 adc = (PCF8591_read(0x03)\/51.0)*100;\/\/\u56e0\u4e3a\u5b9a\u4e49\u7684\u7c7b\u578b\u65f6unsigned int\u7c7b\u578b\uff0c\u4fdd\u5b58\u4e0d\u4e86\u5c0f\u6570\uff0c\u9700\u8981\u653e\u5927100\u500d
 SMG[5] = adc\/100%10;
 SMG[6] = adc\/10%10;
 SMG[7] = adc%10;
 dot[5] = 1;<\/code><\/pre>\n\n\n\n
3.\u663e\u793a\u7279\u6b8a\u5b57\u7b26<\/h4>\n\n\n\n
\u6700\u8fd1\u51e0\u5e74\u6bd4\u8d5b\u4f1a\u63d0\u4f9bA-F\u65ad\u7801\uff0c\u9700\u8981\u81ea\u5df1\u5199\u7684\u65ad\u7801\u6709\uff1a-\u3001P\u3001n\u3001H\u3001U\u3001L\u7b49\uff0c\u4ee5P\u4e3a\u4f8b\uff1a \u5f00\u53d1\u677f\u4e0a\u6570\u7801\u7ba1\u4e3a\u5171\u9633\u6781\u6570\u7801\u7ba1\uff0cio\u53e3\u7ed9\u4f4e\u7535\u5e73\u4f1a\u70b9\u4eae \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u5199\u6210\u4e8c\u8fdb\u5236\u5c31\u662f10001100\uff1b\u5bf9\u5e94\u5341\u516d\u8fdb\u52360x8c<\/p>\n\n\n\n
4.\u591a\u754c\u9762<\/h4>\n\n\n\n
\"\u4ee5\uff1a\"\/<\/div><\/figure>\n\n\n\n
\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/<\/div><\/figure>\n\n\n\n
 \u591a\u754c\u9762\u9700\u8981\u5b9a\u4e49\u663e\u793a\u72b6\u6001\u7801\uff0c\u6839\u636e\u9898\u76ee\u5206\u4e3a\u4e09\u4e2a\u4e3b\u754c\u9762\uff0c\u5176\u4e2d\u4e00\u4e2a\u4e3b\u754c\u9762\u5206\u4e3a\u4e09\u4e2a\u5b50\u754c\u9762
 \u6240\u4ee5\u5b9a\u4e49\u4e00\u4e2astate_display1,\u5b9a\u4e49\u4e00\u4e2astate_display2 <\/pre>\n\n\n\n
5.\u6570\u7801\u7ba1\u95ea\u70c1<\/h4>\n\n\n\n
\u6709\u4e24\u79cd\u5199\u6cd5\uff1a1\u3001\u7528DS1302\u7684\u79d2\u63a7\u5236\uff08\u53ea\u80fd\u4ee5\u79d2\u4e3a\u5355\u4f4d\u95ea\u70c1\u3001\u5e76\u4e14\u9898\u76ee\u4f7f\u7528\u4e86DS1302\uff0c\u5426\u52190\u5206\uff09\uff0c2\u3001\u7528\u5b9a\u65f6\u5668\u4e2d\u65ad\u4ea7\u751f\u6807\u5fd7\u4f4d\uff1a<\/p>\n\n\n\n
 \/\/DS1302\u5199\u6cd5\u4e3a\u4f8b
 SMG[0] = Time[2]\/16;
 SMG[1] = Time[2]%16;
 SMG[2] = (Time[0]%2) ? 17 :16;\/\/16\u4e3a-\u7684\u7d22\u5f15\u300117\u4e3a\u7184\u706d\u7d22\u5f15
 SMG[3] = Time[1]\/16;
 SMG[4] = Time[1]%16;
 SMG[5] = (Time[0]%2) ? 17 :16;\/\/16\u4e3a-\u7684\u7d22\u5f15\u300117\u4e3a\u7184\u706d\u7d22\u5f15
 SMG[6] = Time[0]\/16;
 SMG[7] = Time[0]%16;
 \/\/\u5b9a\u65f6\u5668\u4e2d\u65ad\u6807\u5fd7\u4e3a\u4f8b
 void timer1()  interrupt 3
 {
     if(++count_1000ms == 1000)
     {
         count_1000ms = 0;
         flag_flash ^= 1;
     }
     systick_ms++;
     key_dly++;
     display_dly++;
     collect_dly++;
     smg(SMG,dot,pos);
     led(LED,pos);
     if(++pos == 8) pos = 0;
 }
 SMG[0] = Time[2]\/16;
 SMG[1] = Time[2]%16;
 SMG[2] = (flag_flash) ? 17 :16;\/\/16\u4e3a-\u7684\u7d22\u5f15\u300117\u4e3a\u7184\u706d\u7d22\u5f15
 SMG[3] = Time[1]\/16;
 SMG[4] = Time[1]%16;
 SMG[5] = (flag_flash) ? 17 :16;\/\/16\u4e3a-\u7684\u7d22\u5f15\u300117\u4e3a\u7184\u706d\u7d22\u5f15
 SMG[6] = Time[0]\/16;
 SMG[7] = Time[0]%16;
 \u200b<\/code><\/pre>\n\n\n\n
6.\u9ad8\u4f4d\u7184\u706d<\/h4>\n\n\n\n
\u4ee5\u9891\u7387\u6d4b\u91cf\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n
 SMG[0] = 17;
 SMG[1] = 17;
 SMG[2] = 17;
 SMG[3] = (fre < 10000) ? 17 :fre\/10000;
 SMG[4] = (fre < 1000) ? 17 :fre\/1000%10;
 SMG[5] = (fre < 100) ? 17 :fre\/100%10;
 SMG[6] = (fre < 10) ? 17 :fre\/10%10;
 SMG[7] = fre%10;<\/code><\/pre>\n\n\n\n
7.\u8d1f\u6570\u663e\u793a<\/h4>\n\n\n\n
\u4ee5\u7b2c\u5341\u56db\u5c4a\u56fd\u8d5b\u4e3a\u4f8b\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n
 char par = -100;\/\/\u56e0\u4e3a\u9898\u76ee\u540c\u65f6\u8003\u5230\u4e86\u8d1f\u6570\u663e\u793a\u53ca\u9ad8\u4f4d\u7184\u706d\uff0c\u53ea\u80fd\u6309\u6b63\u8d1f\u5206\u7c7b\u8ba8\u8bba\uff0c\u5426\u5219\u5d4c\u5957\u903b\u8f91\u592a\u590d\u6742
 if(par >= 0)\/\/\u5927\u4e8e0\u9700\u8981\u9ad8\u4f4d\u7184\u706d
 {
     SMG[5] = (par < 100) ? 17 \uff1a par\/100;
     SMG[6] = (par < 10) ? 17 \uff1a par\/10%10;
     SMG[7] = par%10;
 }
 else if(par < 0)
 {
     SMG[5] = (par < -10) ? 16 \uff1a 17;\/\/17\u4e3a\u7184\u706d\u7d22\u5f15\uff0c16\u4e3a-\u7d22\u5f15
     SMG[6] = (par > -10) ? 16 : (-par)\/10;
     SMG[7] =  (-par)%10;
 }<\/code><\/pre>\n\n\n\n
8.\u5355\u4f4d\u5207\u6362<\/h4>\n\n\n\n
\u4ee5\u7b2c\u5341\u4e09\u5c4a\u56fd\u8d5b\u4e3a\u4f8b\uff1a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n
 \/\/\u5047\u8bbe\u9891\u7387 \u4e3a245HZ\u90a3\u4e48\u5207\u6362\u540e\u4e3a0.2KHZ\uff0c\u5207\u6362\u540e\u53d1\u73b0\u6570\u7801\u7ba1\u5e26\u5c0f\u6570\u7684\u8fd9\u4f4d\u9ad8\u4f4d\u4e0d\u7184\u706d
 unsigned long fre;   \/\/\u663e\u793a\u516d\u4f4d\uff0c\u5df2\u7ecf\u5927\u4e8e65535\u4e86\uff0c\u4e0d\u80fd\u7528uint
 unsigned long fre_khz
 if(mode_fre)\/\/\u5355\u4f4dHZ
 {
     SMG[0] = 15; \/\/F 
     SMG[1] = 17;
     SMG[2] = (fre < 100000) ? 17 :fre\/100000;
     SMG[3] = (fre < 10000) ? 17 :fre\/10000%10;
     SMG[4] = (fre < 1000) ? 17 :fre\/1000%10;
     SMG[5] = (fre < 100) ? 17 :fre\/100%10;
     SMG[6] = (fre < 10) ? 17 :fre\/10%10;
     SMG[7] = fre%10;
     dot[6] = 0;
 }
 else\/\/\u5355\u4f4dKHZ
 {
     fre_khz = (fre\/1000.0)*10;\/\/\u4fdd\u7559\u51e0\u4f4d\u5c0f\u6570\u5c31\u00d710\u7684\u51e0\u6b21\u65b9
     SMG[0] = 15; \/\/F 
     SMG[1] = 17;
     SMG[2] = (fre_khz < 100000) ? 17 :fre\/100000;
     SMG[3] = (fre_khz < 10000) ? 17 :fre\/10000%10;
     SMG[4] = (fre_khz < 1000) ? 17 :fre\/1000%10;
     SMG[5] = (fre_khz < 100) ? 17 :fre\/100%10;
     SMG[6] = fre_khz\/10%10;  \/\/\u9ad8\u4f4d\u4e0d\u7184\u706d
     SMG[7] = fre_khz%10;
     dot[6] = 1;
 }<\/code><\/pre>\n\n\n\n
\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/<\/div><\/figure>\n\n\n\n
\u7b80\u5355\u5206\u6790\u4e00\u4e0b\u4f1a\u53d1\u73b0\u5355\u4f4d\u4e3am\u65f6\u53ea\u662f\u6700\u9ad8\u4f4d\u591a\u4e86\u4e2a0\uff0c\u5e76\u4e14\u5c0f\u6570\u70b9\u4f4d\u7f6e\u4e0d\u53d8\uff0c\u6240\u4ee5\u5355\u4f4d\u4e3am\u65f6\u9ad8\u4f4d\u4e0d\u7184\u706d<\/p>\n\n\n\n
 uchar distance;
 if(mode_distance)\/\/\u5355\u4f4dcm
 {
     SMG[0] = 10; \/\/A 
     SMG[1] = 17;
     SMG[2] = 17;
     SMG[3] = 17;
     SMG[4] = 17;
     SMG[5] = (distance < 100) ? 17 :distance\/100;
     SMG[6] = (distance < 10) ? 17 :distance\/10%10;
     SMG[7] = distance%10;
     dot[5] = 0;
 }
 else\/\/\u5355\u4f4dm
 {
     SMG[0] = 10; \/\/A 
     SMG[1] = 17;
     SMG[2] = 17;
     SMG[3] = 17;
     SMG[4] = 17;
     SMG[5] = distance\/100;\/\/\u5e26\u5c0f\u6570\u70b9\u9ad8\u4f4d\u4e0d\u7184\u706d
     SMG[6] = distance\/10%10;
     SMG[7] = distance%10;
     dot[5] = 1;
 }<\/code><\/pre>\n\n\n\n
\u5341\u4e8c\u5c4a\u7701\u8d5b\u7b2c\u4e8c\u573a \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n\n\n\n
 unsigned long fre; \/\/\u4e03\u4f4d\u5df2\u7ecf\u5927\u4e8e65535\u4e86\uff0c\u4e0d\u80fd\u7528uint
 unsigned long T;
 if(mode_fre)\/\/\u663e\u793a\u9891\u7387
 {
     SMG[0] = 15; \/\/F 
     SMG[1] = (fre < 1000000) ? 17 :fre\/1000000;;
     SMG[2] = (fre < 100000) ? 17 :fre\/100000%10;
     SMG[3] = (fre < 10000) ? 17 :fre\/10000%10;
     SMG[4] = (fre < 1000) ? 17 :fre\/1000%10;
     SMG[5] = (fre < 100) ? 17 :fre\/100%10;
     SMG[6] = (fre < 10) ? 17 :fre\/10%10;
     SMG[7] = fre%10;
 }
 else\/\/\u663e\u793a\u5468\u671f T= 1\/F,\u6ce8\u610f\u5355\u4f4d\u662fus;\u8981\u00d710\u76846\u6b21
 {
     T=(1.0\/fre) *1000000;\/\/\u56e0\u4e3a\u8981\u4fdd\u7559\u5c0f\u6570\u6240\u4ee51\u8981\u53d8\u62101.0
     SMG[0] = 18; \/\/n
     SMG[1] = (T < 1000000) ? 17 :T\/1000000;;
     SMG[2] = (T < 100000) ? 17 :T\/100000%10;
     SMG[3] = (T < 10000) ? 17 :T\/10000%10;
     SMG[4] = (T < 1000) ? 17 :T\/1000%10;
     SMG[5] = (T < 100) ? 17 :T\/100%10;
     SMG[6] = (T < 10) ? 17 :T\/10%10;
     SMG[7] = T%10;
 }<\/code><\/pre>\n\n\n\n
<\/h2>\n","protected":false},"excerpt":{"rendered":"
\u6570\u7801\u7ba1\u63a7\u5236\u4ee3\u7801 \u8003\u70b9 1.\u663e\u793a\u6570\u5b57 \u4ee5num = 1234\u4e3a\u4f8b\uff1a 2.\u663e\u793a\u5c0f\u6570\u70b9 \u4ee5\u663e\u793aadc\u91c7\u6837\u7535\u538b\uff0c\u4fdd\u7559\u4e24 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-331","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts\/331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=331"}],"version-history":[{"count":1,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts\/331\/revisions"}],"predecessor-version":[{"id":332,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/posts\/331\/revisions\/332"}],"wp:attachment":[{"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=331"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/liulifengblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}