{"id":873,"date":"2025-10-16T09:58:01","date_gmt":"2025-10-16T01:58:01","guid":{"rendered":"https:\/\/www.640629.xyz\/?p=873"},"modified":"2025-10-16T14:52:55","modified_gmt":"2025-10-16T06:52:55","slug":"millis%e5%87%bd%e5%bc%8f%e3%80%81%e6%8c%89%e9%88%95%e9%96%8b%e9%97%9c%e9%98%b2%e5%bd%88%e8%b7%b3","status":"publish","type":"post","link":"https:\/\/www.640629.xyz\/?p=873","title":{"rendered":"millis()\u51fd\u5f0f\u3001\u6309\u9215\u958b\u95dc\u9632\u5f48\u8df3\u53ca\u9577\u6309\u529f\u80fd"},"content":{"rendered":"\n

\u96fb\u8def\u63a5\u7dda\u5716<\/p>\n\n\n

\n
\"\"\/<\/figure>\n<\/div>\n\n\n

millis()\u51fd\u5f0f\uff1a\u5f9e\u958b\u6a5f\u5f8c\u5230\u7576\u4e0b\u6240\u7d93\u6b77\u7684\u6beb\u79d2\u6642\u9593\u3002<\/p>\n\n\n\n

\u4f8b\uff1aLED\u71c8\u6bcf\u79d2\u6539\u8b8a\u4e00\u6b21\u72c0\u614b\u3002<\/p>\n\n\n\n

const int ledPin = 15;               \/\/ LED\u63a5\u8173\nunsigned long previousMillis = 0;    \/\/ \u524d\u4e00\u6b21\u7684millis()\u6642\u9593\nconst long interval = 1000;          \/\/ \u9810\u8a2d\u8a08\u6642\u7684\u6642\u9593\nbool state = HIGH;                   \/\/ LED\u72c0\u614b\uff0c\u521d\u59cb\u503c\u70baHIGH\uff08OFF\uff09\n\nvoid setup() {\n  pinMode(ledPin, OUTPUT);           \/\/ \u5ba3\u544aledPin\u70ba\u8f38\u51fa\u8173\n  digitalWrite(ledPin, state);       \/\/ \u8f38\u51fa\u72c0\u614b\n}\n\nvoid loop() {\n  unsigned long currentMillis = millis();          \/\/ \u7576\u524d\u7684millis()\u6642\u9593\n\n  if (currentMillis - previousMillis >= interval)  \/\/ \u82e5\u9054\u5230\u9810\u8a2d\u8a08\u6642\u7684\u6642\u9593\n  {\n    \/\/---------------------------------------------------------------------\n    \/\/ \u6bcf\u7d93\u904e\u4e00\u500binterval\u7684\u6642\u9593\uff0c\u8981\u505a\u7684\u4e8b\n    \/\/---------------------------------------------------------------------\n    state = !state;                  \/\/ \u6539\u8b8aLED\u72c0\u614b\n    digitalWrite(ledPin, state);     \/\/ \u8f38\u51fa\u72c0\u614b\n    \/\/---------------------------------------------------------------------\n\n    previousMillis = currentMillis;  \/\/ \u66f4\u65b0\u524d\u4e00\u6b21\u7684millis()\u6642\u9593\n  }\n}<\/code><\/pre>\n\n\n\n
\u6309\u9215\u958b\u95dc\u82e5\u4f7f\u7528delay()\u505a\u70ba\u9632\u5f48\u8df3\u5ef6\u9072\u6642\u9593\uff0c\u7a0b\u5f0f\u6703\u66ab\u505c\u4e00\u6bb5\u6642\u9593\uff0c\u70ba\u907f\u514d\u9020\u6210\u963b\u585e\uff0c\u53ef\u6539\u7528millis()\u7684\u65b9\u5f0f\u8a08\u7b97\u9632\u5f48\u8df3\u5ef6\u9072\u6642\u9593\uff0c\u57fa\u672c\u505a\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n
const int pb = 25;                   \/\/ \u6309\u9215\u958b\u95dc\u63a5\u8173\nbool lastButtonState = HIGH;         \/\/ \u6309\u9215\u958b\u95dc\u524d\u4e00\u6b21\u7684\u72c0\u614b\nunsigned long lastDebounceTime = 0;  \/\/ \u6309\u9215\u958b\u95dc\u524d\u4e00\u6b21\u72c0\u614b\u6539\u8b8a\u6642\u7684millis()\u6642\u9593\nint debounceDelay = 80;              \/\/ \u9632\u5f48\u8df3\u9810\u8a2d\u7684\u5ef6\u9072\u6642\u9593\n\nvoid setup() {\n  Serial.begin(9600);     \/\/ \u555f\u7528\u4e32\u5217\u57e0\u76e3\u770b\u8996\u7a97\n  pinMode(pb, INPUT);     \/\/ \u5ba3\u544apb\u70ba\u8f38\u5165\u8173\uff0c\u4e26\u4f7f\u7528\u5916\u90e8\u62c9\u4e0a\u96fb\u963b\n}\n\nvoid loop() {\n  unsigned long currentTime = millis();  \/\/ \u7576\u524d\u7684millis()\u6642\u9593\n  bool buttonState = digitalRead(pb);    \/\/ \u7576\u524d\u7684\u6309\u9215\u958b\u95dc\u72c0\u614b\uff1a\u672a\u6309\u4e0b(HIGH)\uff0c\u6309\u4e0b(LOW)\n\n  \/\/ \u82e5\u6309\u9215\u958b\u95dc\u72c0\u614b\u767c\u751f\u8b8a\u5316\uff0c\u4e14\u8d85\u904e\u9632\u5f48\u8df3\u9810\u8a2d\u7684\u5ef6\u9072\u6642\u9593\n  if ((buttonState != lastButtonState) && (currentTime - lastDebounceTime) > debounceDelay)\n  {\n    \/\/ --------------------------------------------------------------------------------------\n    if (lastButtonState == HIGH && buttonState == LOW)        \/\/ \u82e5\u6309\u9215\u5f9e\u672a\u6309\u4e0b(HIGH)\u5230\u6309\u4e0b(LOW)\n    {\n      \/\/ \u6309\u9215\u6309\u4e0b\u6642\uff0c\u60f3\u505a\u7684\u4e8b\n      Serial.println(\"Button pressed.\");\n    }\n    else if (lastButtonState == LOW && buttonState == HIGH)   \/\/ \u82e5\u6309\u9215\u5f9e\u6309\u4e0b(LOW)\u5230\u672a\u6309\u4e0b(HIGH)\n    {      \n      \/\/ \u6309\u9215\u653e\u958b\u6642\uff0c\u60f3\u505a\u7684\u4e8b\n      Serial.println(\"Button released.\");\n    }\n    lastButtonState = buttonState;    \/\/ \u66f4\u65b0\u6309\u9215\u72c0\u614b\n    \/\/ --------------------------------------------------------------------------------------\n    lastDebounceTime = currentTime;   \/\/ \u66f4\u65b0\u524d\u4e00\u6b21\u72c0\u614b\u6539\u8b8a\u6642\u7684millis()\u6642\u9593\n  }\n}<\/code><\/pre>\n\n\n\n
\u82e5\u8981\u5224\u65b7\u6309\u9215\u958b\u95dc\u662f\u5426\u88ab\u9577\u6309\uff0c\u53ef\u53c3\u8003\u4e0b\u5217\u7a0b\u5f0f\uff1a<\/p>\n\n\n\n
const int pb = 25;                   \/\/ \u6309\u9215\u958b\u95dc\u63a5\u8173\nbool lastButtonState = HIGH;         \/\/ \u6309\u9215\u958b\u95dc\u524d\u4e00\u6b21\u7684\u72c0\u614b\nunsigned long lastDebounceTime = 0;  \/\/ \u6309\u9215\u958b\u95dc\u524d\u4e00\u6b21\u72c0\u614b\u6539\u8b8a\u6642\u7684millis()\u6642\u9593\nint debounceDelay = 80;              \/\/ \u9632\u5f48\u8df3\u9810\u8a2d\u7684\u5ef6\u9072\u6642\u9593\nunsigned long buttonDownTime = 0;    \/\/ \u6309\u9215\u958b\u95dc\u88ab\u6309\u4e0b\u7684\u6642\u9593\nunsigned long longPressTime = 1500;  \/\/ \u9577\u6309\u6642\u9593\nint count = 0;                       \/\/ \u6309\u9215\u8a08\u6578\u5668\n\nvoid setup() {\n  Serial.begin(9600);     \/\/ \u555f\u7528\u4e32\u5217\u57e0\u76e3\u770b\u8996\u7a97\n  pinMode(pb, INPUT);     \/\/ \u5ba3\u544apb\u70ba\u8f38\u5165\u8173\uff0c\u4e26\u4f7f\u7528\u5916\u90e8\u62c9\u4e0a\u96fb\u963b\n}\n\nvoid loop() {\n  unsigned long currentTime = millis();  \/\/ \u7576\u524d\u7684millis()\u6642\u9593\n  bool buttonState = digitalRead(pb);    \/\/ \u7576\u524d\u7684\u6309\u9215\u958b\u95dc\u72c0\u614b\uff1a\u672a\u6309\u4e0b(HIGH)\uff0c\u6309\u4e0b(LOW)\n\n  \/\/ \u82e5\u6309\u9215\u958b\u95dc\u72c0\u614b\u767c\u751f\u8b8a\u5316\uff0c\u4e14\u8d85\u904e\u9632\u5f48\u8df3\u9810\u8a2d\u7684\u5ef6\u9072\u6642\u9593\n  if ((buttonState != lastButtonState) && (currentTime - lastDebounceTime) > debounceDelay)\n  {\n    \/\/ --------------------------------------------------------------------------------------\n    if (lastButtonState == HIGH && buttonState == LOW)        \/\/ \u82e5\u6309\u9215\u5f9e\u672a\u6309\u4e0b(HIGH)\u5230\u6309\u4e0b(LOW)\n    {\n      \/\/ \u6309\u9215\u6309\u4e0b\u6642\uff0c\u60f3\u505a\u7684\u4e8b\n      Serial.println(\"Button pressed.\");\n      buttonDownTime = currentTime; \/\/\u8a18\u9304\u6309\u9215\u6309\u4e0b\u7684\u6642\u9593\n\n      count++;    \/\/ \u8a08\u6578\u5668\u52a01\n      Serial.print(\"Button pressed count: \");   \/\/ \u5370\u51fa\u8a08\u6578\u5668\u5167\u5bb9\n      Serial.println(count);                    \/\/ \u5370\u51fa\u8a08\u6578\u5668\u5167\u5bb9\n    }\n    else if (lastButtonState == LOW && buttonState == HIGH)   \/\/ \u82e5\u6309\u9215\u5f9e\u6309\u4e0b(LOW)\u5230\u672a\u6309\u4e0b(HIGH)\n    {      \n      \/\/ \u6309\u9215\u653e\u958b\u6642\uff0c\u60f3\u505a\u7684\u4e8b\n      Serial.println(\"Button released.\");\n      \n      if((currentTime - buttonDownTime) >= longPressTime)\n      {\n        Serial.println(\"Long press detected, count reset.\");\n        count=0;    \/\/ \u6e05\u7a7a\u8a08\u6578\u5668\n        Serial.print(\"Button pressed count: \");   \/\/ \u5370\u51fa\u8a08\u6578\u5668\u5167\u5bb9\n        Serial.println(count);                    \/\/ \u5370\u51fa\u8a08\u6578\u5668\u5167\u5bb9\n      }      \n    }\n    lastButtonState = buttonState;    \/\/ \u66f4\u65b0\u6309\u9215\u72c0\u614b\n    \/\/ --------------------------------------------------------------------------------------\n    lastDebounceTime = currentTime;   \/\/ \u66f4\u65b0\u524d\u4e00\u6b21\u72c0\u614b\u6539\u8b8a\u6642\u7684millis()\u6642\u9593\n  }\n}<\/code><\/pre>\n\n\n\n
\u4f5c\u696d\u7df4\u7fd2\uff1a<\/p>\n\n\n\n
    \n
  • \u958b\u6a5f\u5f8c\uff0c8\u500bLED\u71c8\u5168\u4eae\uff0c1\u79d2\u5f8c\u5168\u6ec5\u3002<\/li>\n\n\n\n
  • \u6bcf\u6309\u4e00\u4e0b\u6309\u9215\u958b\u95dc\uff0c\u5f9e\u81eaLED0\u5230LED7\u4f9d\u5e8f\u589e\u52a0\u9ede\u4eae1\u500b\u71c8\uff0c8\u500b\u71c8\u5168\u4eae\u5f8c\u5168\u6ec5\u5f8c\uff0c\u5faa\u74b0\u986f\u793a\u3002<\/li>\n\n\n\n
  • \u4efb\u4f55\u72c0\u614b\u4e0b\uff0c\u53ea\u8981\u9577\u6309\u6309\u9215\u958b\u95dc1.5\u79d2\u4ee5\u4e0a\uff0c8\u500b\u71c8\u5168\u6ec5\u3002<\/li>\n\n\n\n
  • \u5404\u7a2e\u71c8\u4eae\u7684\u72c0\u614b\u5fc5\u9808\u986f\u793a\u5728\u76e3\u770b\u8996\u7a97\u4e0a\u3002<\/li>\n\n\n\n
  • \u5728Wokwi\u7db2\u7ad9\u4e0a\u9032\u884c\u6a21\u64ec\uff0c\u4e26\u5b8c\u6210\u5be6\u9ad4\u63a5\u7dda\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    \u96fb\u8def\u63a5\u7dda\u5716 millis()\u51fd\u5f0f\uff1a\u5f9e\u958b\u6a5f\u5f8c\u5230\u7576\u4e0b\u6240\u7d93\u6b77\u7684\u6beb\u79d2\u6642\u9593\u3002 \u4f8b\uff1aLED\u71c8\u6bcf\u79d2\u6539\u8b8a\u4e00\u6b21\u72c0\u614b\u3002 \u6309\u9215\u958b\u95dc\u82e5<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-873","post","type-post","status-publish","format-standard","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts\/873","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=873"}],"version-history":[{"count":33,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts\/873\/revisions"}],"predecessor-version":[{"id":2197,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=\/wp\/v2\/posts\/873\/revisions\/2197"}],"wp:attachment":[{"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.640629.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}