{"id":288,"date":"2024-11-24T20:29:08","date_gmt":"2024-11-24T12:29:08","guid":{"rendered":"https:\/\/aimc.skyate.com\/?p=288"},"modified":"2025-01-27T16:50:05","modified_gmt":"2025-01-27T08:50:05","slug":"external-breaks-and-timer-breaks","status":"publish","type":"post","link":"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/24\/external-breaks-and-timer-breaks\/","title":{"rendered":"\u3010\u9636\u6bb5\u4e00\u30113 \u5916\u90e8\u4e2d\u65ad\u548c\u5b9a\u65f6\u5668\u4e2d\u65ad"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u8bfe\u7a0b\u76ee\u5f55<\/h1>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/06\/intelligent_system_design_tutorial_0\/\">\u3010\u6982\u8ff0\u30110 \u4ec0\u4e48\u662f\u667a\u80fd\u7cfb\u7edf<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/09\/%e3%80%90%e9%98%b6%e6%ae%b5%e4%b8%80%e3%80%911-platformio%e7%8e%af%e5%a2%83%e9%85%8d%e7%bd%ae%e5%92%8cgpio\/\">\u3010\u9636\u6bb5\u4e00\u30111 PlatformIO\u73af\u5883\u914d\u7f6e\u548cGPIO<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/16\/esp32_part2_pwm\/\">\u3010\u9636\u6bb5\u4e00\u30112 PWM\u4e0e\u7535\u673a\u63a7\u5236<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/11\/24\/external-breaks-and-timer-breaks\/\">\u3010\u9636\u6bb5\u4e00\u30113 \u5916\u90e8\u4e2d\u65ad\u548c\u5b9a\u65f6\u5668\u4e2d\u65ad<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/12\/04\/uart_and_uart_interrupt\/\">\u3010\u9636\u6bb5\u4e00\u30114 \u4e32\u53e3\u4e0e\u4e32\u53e3\u4e2d\u65ad<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/12\/07\/esp32_part5_i2c_and_mpu6050\/\">\u3010\u9636\u6bb5\u4e00\u30115 I2C\u4e0eMPU6050\u6a21\u5757<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2024\/12\/17\/esp32_part6_car\/\">\u3010\u9636\u6bb5\u4e00\u30116 \u57fa\u7840\u5c0f\u8f66\u8bbe\u8ba1<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/aimc.skyate.com\/index.php\/2025\/01\/27\/ai_system_introduction\/\">\u3010\u9636\u6bb5\u4e8c\u30117 \u667a\u80fd\u7cfb\u7edf\u6982\u8ff0<\/a><\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"\/\/player.bilibili.com\/player.html?isOutside=true&#038;aid=113611246802166&#038;bvid=BV1KiqVY7EY8&#038;cid=27225883696&#038;p=1\" width=\"800px\" height=\"540\" scrolling=\"no\" border=\"0\" frameborder=\"no\" framespacing=\"0\" allowfullscreen=\"true\"><\/iframe>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 \u4e2d\u65ad\u5f15\u4f8b<\/h3>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e2a\u60c5\u666f\uff0c\u5468\u4e00\u65e9\u4e0a\u6709\u8282\u65e9\u516b\u3002\u597d\u6d88\u606f\u662f\u8fd9\u662f\u8282\u6c34\u8bfe\uff0c\u4e0d\u6536\u624b\u673a\uff0c\u574f\u6d88\u606f\u662f\u8001\u5e08\u4e0a\u8bfe\u524d\u8981\u70b9\u540d\uff0c\u4e0d\u80fd\u4e0d\u53bb\u3002\u90a3\u4e48\u4e3a\u4e86\u6211\u4eec\u7684\u8eab\u5fc3\u6109\u60a6\uff0c\u53ea\u80fd\u53bb\u5f97\u65e9\u70b9\u62a2\u4e2a\u540e\u6392\u3002\u4e3a\u6b64\uff0c\u4f60\u5b9a\u4e86\u4e2a\u65e9\u4e0a7\u70b9\u7684\u95f9\u949f\u3002\u5468\u4e00\u5230\u4e86\uff0c\u95f9\u949f\u54cd\u4e86\uff0c\u4f60\u8d77\u5e8a\u6d17\u6f31\u5b8c\u4e4b\u540e\uff0c\u8d70\u5728\u8def\u4e0a\uff0c\u770b\u5230\u8def\u4eba\u73a9\u624b\u673a\uff0c\u5ffd\u7136\u95f4\u60f3\u8d77\u624b\u673a\u6ca1\u62ff\uff0c\u5feb\u4e50\u7684\u6e90\u6cc9\u5fd8\u5e26\u4e86\u3002\u6ca1\u529e\u6cd5\u4e86\u53ea\u80fd\u8fd4\u8eab\u53bb\u53d6\u624b\u673a\uff0c\u4e4b\u540e\u518d\u53bb\u6559\u5ba4\u5360\u5ea7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 \u4ec0\u4e48\u662f\u4e2d\u65ad<\/h3>\n\n\n\n<p>\u60f3\u8c61\u5230\u6b64\u7ed3\u675f\uff0c\u8ba9\u6211\u4eec\u6765\u5256\u6790\u4e00\u4e0b\u6574\u4e2a\u8fc7\u7a0b\uff0c\u6b63\u5e38\u6765\u8bf4\uff0c\u6211\u4eec\u4e0d\u4f1a\u518d\u8fd4\u56de\u5bbf\u820d\uff0c\u800c\u662f\u76f4\u63a5\u5230\u6559\u5ba4\u3002\u5982\u679c\u4ece\u5355\u7247\u673a\u89d2\u5ea6\u6765\u770b\uff0c\u201c\u76f4\u63a5\u5230\u6559\u5ba4\u201d\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u662f\u4e3b\u8fdb\u7a0b\uff0c\u201c\u8fd4\u56de\u5bbf\u820d\u62ff\u624b\u673a\u201d\u5c31\u5c5e\u4e8e\u662f\u4e2d\u65ad\u4efb\u52a1\uff0c\u201c\u770b\u5230\u8def\u4eba\u73a9\u624b\u673a\uff0c\u5ffd\u7136\u95f4\u60f3\u8d77\u624b\u673a\u6ca1\u62ff\u201d\u5c31\u662f\u4e2d\u65ad\u89e6\u53d1\u6e90\uff0c\u5f53\u4e2d\u65ad\u88ab\u89e6\u53d1\uff0c\u5c31\u4f1a\u6253\u65ad\u4e3b\u8fdb\u7a0b\uff0c\u8f6c\u800c\u53bb\u6267\u884c\u4e2d\u65ad\u4efb\u52a1\uff0c\u53ea\u6709\u5728\u4e2d\u65ad\u6267\u884c\u5b8c\u4e4b\u540e\uff0c\u624d\u4f1a\u7ee7\u7eed\u6267\u884c\u4e3b\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.2.1<strong>\u4e2d\u65ad<\/strong><strong>\u6982\u5ff5<\/strong>\uff1a<\/h4>\n\n\n\n<p>&nbsp;&nbsp;\u5728\u5355\u7247\u673a\u4e2d\uff0c\u4e2d\u65ad\u662f\u6307\u5f53 CPU \u5728\u6b63\u5e38\u5904\u7406\u4e3b\u7a0b\u5e8f\u65f6\uff0c\u7a81\u7136\u53d1\u751f\u4e86\u53e6\u4e00\u4ef6\u4e8b\u4ef6 A\uff08\u4e2d\u65ad\u53d1\u751f\uff09\u9700\u8981 CPU \u53bb\u5904\u7406\uff0c\u8fd9\u65f6 CPU \u5c31\u4f1a\u6682\u505c\u5904\u7406\u4e3b\u7a0b\u5e8f\uff08\u4e2d\u65ad\u54cd\u5e94\uff09\uff0c\u8f6c\u800c\u53bb\u5904\u7406\u4e8b\u4ef6 A\uff08\u4e2d\u65ad\u670d\u52a1\uff09\u3002\u5f53\u4e8b\u4ef6 A \u5904\u7406\u5b8c\u4ee5\u540e\uff0c\u518d\u56de\u5230\u4e3b\u7a0b\u5e8f\u539f\u6765\u4e2d\u65ad\u7684\u5730\u65b9\u7ee7\u7eed\u6267\u884c\u4e3b\u7a0b\u5e8f\uff08\u4e2d\u65ad\u8fd4\u56de\uff09\u3002\u8fd9\u4e00\u6574\u4e2a\u8fc7\u7a0b\u79f0\u4e3a\u4e2d\u65ad\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.2.2\u4e2d\u65ad\u7684\u4f5c\u7528\u548c\u610f\u4e49\uff1a<\/h4>\n\n\n\n<p>\uff081\uff09<strong>\u5b9e\u65f6\u54cd\u5e94\uff1a<\/strong>\u5916\u90e8\u4e2d\u65ad\u53ef\u4ee5\u7acb\u5373\u6682\u505c\u5f53\u524d\u4efb\u52a1\u5e76\u6267\u884c\u4e2d\u65ad\u7a0b\u5e8f\uff0c\u56e0\u6b64\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5916\u90e8\u4e8b\u4ef6\u7684\u5b9e\u65f6\u54cd\u5e94\u3002\u6bd4\u5982\uff0c\u5f53\u6309\u4e0b\u6309\u94ae\u65f6\uff0c\u53ef\u4ee5\u7acb\u5373\u89e6\u53d1\u4e2d\u65ad\u5904\u7406\u7a0b\u5e8f\uff0c\u800c\u4e0d\u9700\u8981\u5728\u4e3b\u5faa\u73af\u4e2d\u8f6e\u8be2\u6309\u94ae\u72b6\u6001\u3002 \uff082\uff09<strong>\u652f\u6301<\/strong><strong>\u5f02\u6b65\u901a\u4fe1<\/strong>\uff1a\u5728\u5f02\u6b65\u901a\u4fe1\u534f\u8bae\uff08\u5982UART\u3001SPI\u3001I2C\uff09\u4e2d\uff0c\u5916\u90e8\u4e2d\u65ad\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u63a5\u6536\u548c\u53d1\u9001\u4e8b\u4ef6\u3002\u4f8b\u5982\uff0c\u5f53\u63a5\u6536\u5230\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e2d\u65ad\u901a\u77e5CPU\u8bfb\u53d6\u6570\u636e\uff0c\u800c\u4e0d\u9700\u8981\u6301\u7eed\u8f6e\u8be2\u901a\u4fe1\u63a5\u53e3\u7684\u72b6\u6001\u3002\uff08\u4e0a\u8bfe\u4f20\u7eb8\u6761\uff0c\u52a0\u5bc6\uff0c\u5c0fA\u6307\u4ee3\uff0c\u4e0d\u7528\u76ef\u7740\u770b\uff09 \uff083\uff09<strong>\u8282\u7701CPU\u8d44\u6e90\uff1a<\/strong>\u5916\u90e8\u4e2d\u65ad\u7684\u5904\u7406\u7531\u786c\u4ef6\u8d1f\u8d23\uff0c\u4e0d\u9700\u8981CPU\u6301\u7eed\u76d1\u6d4b\u8f93\u5165\u72b6\u6001\u3002\u8fd9\u6837\u53ef\u4ee5\u8282\u7701CPU\u7684\u8d44\u6e90\uff0c\u4f7f\u5f97CPU\u53ef\u4ee5\u5904\u7406\u5176\u4ed6\u4efb\u52a1\uff0c\u63d0\u4f9b\u66f4\u597d\u7684\u7cfb\u7edf\u6027\u80fd\u3002 \uff084\uff09<strong>\u589e\u5f3a\u7cfb\u7edf\u5b89\u5168\u6027<\/strong>\uff1a\u5916\u90e8\u4e2d\u65ad\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u5b89\u5168\u673a\u5236\uff0c\u5982\u786c\u4ef6\u770b\u95e8\u72d7\u5b9a\u65f6\u5668\uff08Watchdog Timer\uff09\u3002\u5f53\u7cfb\u7edf\u51fa\u73b0\u5f02\u5e38\u65f6\uff0c\u770b\u95e8\u72d7\u5b9a\u65f6\u5668\u53ef\u4ee5\u89e6\u53d1\u4e2d\u65ad\uff0c\u5f3a\u5236\u7cfb\u7edf\u590d\u4f4d\u6216\u6267\u884c\u7279\u5b9a\u7684\u5b89\u5168\u64cd\u4f5c\uff0c\u9632\u6b62\u7cfb\u7edf\u8fdb\u5165\u4e0d\u53ef\u63a7\u72b6\u6001\u3002\uff08\u5582\u72d7\uff09<\/p>\n\n\n\n<p>\uff085\uff09<strong>\u51cf\u5c11\u529f\u8017\uff1a<\/strong>\u901a\u8fc7\u4f7f\u7528\u5916\u90e8\u4e2d\u65ad\u6765\u68c0\u6d4b\u5916\u90e8\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u8ba9\u7cfb\u7edf\u8fdb\u5165\u4f4e\u529f\u8017\u72b6\u6001\uff0c\u53ea\u6709\u5f53\u4e2d\u65ad\u4e8b\u4ef6\u53d1\u751f\u65f6\u624d\u5524\u9192\u7cfb\u7edf\u5904\u7406\u3002\u8fd9\u5728\u5bf9\u529f\u8017\u8981\u6c42\u8f83\u9ad8\u7684\u5e94\u7528\u4e2d\u5c24\u4e3a\u91cd\u8981\uff0c\u53ef\u4ee5\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u6216\u964d\u4f4e\u80fd\u8017\u3002\uff08\u718a\u51ac\u7720\uff09<\/p>\n\n\n\n<p>\uff086\uff09<strong>\u7cbe\u51c6\u89e6\u53d1\uff1a<\/strong>\u5916\u90e8\u4e2d\u65ad\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u8fb9\u6cbf\u89e6\u53d1\u65b9\u5f0f\uff08\u4e0a\u5347\u6cbf\u3001\u4e0b\u964d\u6cbf\u6216\u53cc\u8fb9\u6cbf\uff09\u4ee5\u53ca\u6ee4\u6ce2\u9009\u9879\uff0c\u5b9e\u73b0\u5bf9\u7279\u5b9a\u4e8b\u4ef6\u7684\u7cbe\u786e\u89e6\u53d1\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u4e8b\u4ef6\u68c0\u6d4b\u548c\u8ba1\u65f6\u975e\u5e38\u6709\u7528\uff0c\u5982\u6d4b\u91cf\u8109\u51b2\u5bbd\u5ea6\u6216\u8ba1\u6570\u5668\u5e94\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.2.3\u4e2d\u65ad\u4f18\u5148\u7ea7\uff1a<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">3.2.4\u4e2d\u65ad\u89e6\u53d1\u6e90\uff1a<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u786c\u4ef6\u4e2d\u65ad\uff08\u5916\u90e8\u4e2d\u65ad\uff09\uff1a<\/strong>\u5916\u90e8\u4e8b\u4ef6\u6216\u786c\u4ef6\u4fe1\u53f7\u89e6\u53d1\uff0c\u5982GPIO\u4e2d\u65ad\u3001\u5b9a\u65f6\u5668\u4e2d\u65ad\u3001UART\u4e2d\u65ad\u7b49<strong>\u3002<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GPIO<\/strong><strong>\u4e2d\u65ad<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>ESP32\u7684GPIO\u5f15\u811a\u53ef\u4ee5\u914d\u7f6e\u4e3a\u89e6\u53d1\u4e2d\u65ad\u3002\u5f53\u5f15\u811a\u72b6\u6001\u53d1\u751f\u53d8\u5316\uff08\u5982\u4e0a\u5347\u6cbf\u3001\u4e0b\u964d\u6cbf\u3001\u9ad8\u7535\u5e73\u3001\u4f4e\u7535\u5e73\u7b49\uff09\u65f6\uff0c\u4f1a\u89e6\u53d1\u4e2d\u65ad\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff0c\u5f53\u67d0\u4e2a\u6309\u94ae\u6309\u4e0b\u65f6\uff0cGPIO\u5f15\u811a\u72b6\u6001\u4ece\u9ad8\u7535\u5e73\u53d8\u4e3a\u4f4e\u7535\u5e73\uff0c\u89e6\u53d1\u4e2d\u65ad\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u786c\u4ef6\u5b9a\u65f6\u5668\u4e2d\u65ad<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>ESP32\u6709\u591a\u4e2a\u786c\u4ef6\u5b9a\u65f6\u5668\uff0c\u53ef\u4ee5\u914d\u7f6e\u4e3a\u5728\u7279\u5b9a\u65f6\u95f4\u95f4\u9694\u6216\u8ba1\u6570\u8fbe\u5230\u7279\u5b9a\u503c\u65f6\u89e6\u53d1\u4e2d\u65ad\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff0c\u5b9a\u65f6\u5668\u6bcf1\u79d2\u89e6\u53d1\u4e00\u6b21\u4e2d\u65ad\uff0c\u7528\u4e8e\u6267\u884c\u5b9a\u65f6\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>UART\u4e2d\u65ad<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5f53UART\uff08\u901a\u7528\u5f02\u6b65\u6536\u53d1\u4f20\u8f93\u5668\uff09\u63a5\u6536\u5230\u6570\u636e\u6216\u53d1\u9001\u6570\u636e\u5b8c\u6210\u65f6\uff0c\u53ef\u4ee5\u89e6\u53d1\u4e2d\u65ad\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff0c\u5f53UART\u63a5\u6536\u5230\u4e00\u5e27\u6570\u636e\u65f6\uff0c\u89e6\u53d1\u4e2d\u65ad\u4ee5\u4fbf\u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u7701\u7565\u53f7\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u8f6f\u4ef6\u4e2d\u65ad\uff1a<\/strong>\u7531\u8f6f\u4ef6\u6307\u4ee4\u89e6\u53d1\u7684\uff0c\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0\u7279\u5b9a\u7684\u529f\u80fd\u6216\u5904\u7406\u7279\u5b9a\u7684\u4efb\u52a1\u3002<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4efb\u52a1\u8c03\u5ea6\u4e2d\u65ad<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>ESP32\u5728\u4f7f\u7528FreeRTOS\u4f5c\u4e3a\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u65f6\uff0c\u4efb\u52a1\u8c03\u5ea6\u5668\u4f1a\u6839\u636e\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\u548c\u72b6\u6001\u89e6\u53d1\u8f6f\u4ef6\u4e2d\u65ad\uff0c\u4ee5\u5207\u6362\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff0c\u5f53\u4e00\u4e2a\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u5c31\u7eea\u65f6\uff0c\u8c03\u5ea6\u5668\u4f1a\u89e6\u53d1\u8f6f\u4ef6\u4e2d\u65ad\uff0c\u5207\u6362\u5230\u8be5\u4efb\u52a1\u6267\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7cfb\u7edf\u8c03\u7528\u4e2d\u65ad<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u64cd\u4f5c\u7cfb\u7edf\u6216\u5e93\u51fd\u6570\u4f1a\u901a\u8fc7\u8f6f\u4ef6\u4e2d\u65ad\u6765\u6267\u884c\u7279\u5b9a\u7684\u7cfb\u7edf\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff0c\u5f53\u5e94\u7528\u7a0b\u5e8f\u8c03\u7528\u67d0\u4e2a\u7cfb\u7edf\u51fd\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u89e6\u53d1\u8f6f\u4ef6\u4e2d\u65ad\u4ee5\u6267\u884c\u5e95\u5c42\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8f6f\u4ef6\u5b9a\u65f6\u5668\u4e2d\u65ad<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>ESP32\u652f\u6301\u8f6f\u4ef6\u5b9a\u65f6\u5668\uff0c\u53ef\u4ee5\u5728\u7279\u5b9a\u65f6\u95f4\u95f4\u9694\u89e6\u53d1\u4e2d\u65ad\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff0c\u8f6f\u4ef6\u5b9a\u65f6\u5668\u6bcf100\u6beb\u79d2\u89e6\u53d1\u4e00\u6b21\u4e2d\u65ad\uff0c\u7528\u4e8e\u6267\u884c\u5468\u671f\u6027\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3.2.5\u4e2d\u65ad\u5904\u7406\u51fd\u6570\uff08Interrupt Service Routine\uff0c\u7b80\u79f0ISR \uff09\uff1a<\/h4>\n\n\n\n<p>\u8981\u6ce8\u610f\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u7684\u6267\u884c\u65f6\u95f4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u907f\u514d\u963b\u585e<\/strong>\uff1a\u5728ISR\u4e2d\u907f\u514d\u6267\u884c\u53ef\u80fd\u963b\u585e\u7684\u64cd\u4f5c\uff0c\u5982\u5ef6\u65f6\u51fd\u6570(delay();)\u3001\u590d\u6742\u7684\u8ba1\u7b97\u6216\u7b49\u5f85\u8d44\u6e90\u3002<\/li>\n\n\n\n<li><strong>\u5feb\u901f\u6267\u884c<\/strong>\uff1a\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u5e94\u8be5\u5c3d\u53ef\u80fd\u5feb\u901f\u6267\u884c\u3002\u957f\u65f6\u95f4\u7684\u4e2d\u65ad\u5904\u7406\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u5176\u4ed6\u4e2d\u65ad\u7684\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.3 GPIO\u4e2d\u65ad<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">3.3.1 \u6e90\u4ee3\u7801<\/h4>\n\n\n\n<p>\u5148\u8d34\u4e00\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n\n#define BUTTON 12\n\/\/ \u5b9a\u4e49\u53ef\u4ee5\u5728\u5916\u90e8\u4e2d\u65ad\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u7684\u53d8\u91cf\nbool flag = false;\n\nvoid handle_interrupt() \n{\n    flag = true;    \n}\n\nvoid setup() {\n    pinMode(BUTTON, INPUT_PULLUP);\n    \/\/ \u914d\u7f6e\u4e2d\u65ad\u5f15\u811a\n    attachInterrupt(digitalPinToInterrupt(BUTTON), handle_interrupt, CHANGE);\n}\n\nvoid loop() {\n  if (flag) \n  {\n    \/\/ \u8f6f\u4ef6\u53bb\u6296\u52a8\n    delay(50);  \/\/ \u5ef6\u65f650\u6beb\u79d2\u4ee5\u6d88\u9664\u6296\u52a8\n    if (digitalRead(BUTTON) == LOW) {\n        flag = false;\n    }\n  }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3.3.2 \u4ee3\u7801\u5206\u6790<\/h4>\n\n\n\n<p>\u8ba9\u6211\u4eec\u6765\u9010\u884c\u5206\u6790\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#define  BUTTON  14   <\/code><\/pre>\n\n\n\n<p>\u8fd9\u884c\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5b8f <code>BUTTON<\/code>\uff0c\u5176\u503c\u4e3a <code>14<\/code>\u3002\u8fd9\u610f\u5473\u7740\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528 <code>BUTTON<\/code> \u7684\u5730\u65b9\u90fd\u4f1a\u88ab\u66ff\u6362\u4e3a <code>14<\/code>\uff0c\u8fd9\u6837\u505a\u4f1a\u6709\u4e2a\u597d\u5904\uff0c\u5c31\u662f\u5f53\u4f60\u60f3\u6539\u53d8\u89e6\u53d1\u7684\u5f15\u811a\u7684\u65f6\u5019\u53ea\u9700\u8981\u6539\u53d8\u4e00\u4e2a\u5730\u65b9\uff0c\u800c\u4e0d\u9700\u8981\u5728\u6574\u4e2a\u5de5\u7a0b\u91cc\u9762\u9010\u884c\u53bb\u4fee\u6539IO\u53e3\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bool flag = false;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f15\u811a\u7535\u5e73\u53d8\u5316\u65f6\uff0cflag\u7684\u503c\u4f1a\u6539\u53d8\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>void handle_interrupt() \n{        \n  flag = true;\n} <\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u5916\u90e8\u4e2d\u65ad\u89e6\u53d1\u65f6\uff0c\u8fd9\u4e2a\u51fd\u6570\u4f1a\u88ab\u81ea\u52a8\u8c03\u7528\uff0c\u66f4\u6539flag\u7684\u503c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>Serial.begin(115200);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u914d\u7f6e\u4e32\u53e3\u6ce2\u7279\u7387\u4e3a<code>115200<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>pinMode(BUTTON, INPUT_PULLUP);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u914d\u7f6e<code>BUTTON<\/code>\u5f15\u811a\u6a21\u5f0f\u4e3a<code>INPUT_PULL<\/code>UP\uff0c\u9ed8\u8ba4\u8f93\u5165\u9ad8\u7535\u5e73\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u914d\u7f6e\u4e2d\u65ad\u5f15\u811a\n  attachInterrupt(digitalPinToInterrupt(BUTTON), handle_interrupt, CHANGE);<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>attachInterrupt<\/code>\uff1a\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>digitalPinToInterrupt(BUTTON)<\/code>\uff1a\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>handle_interrupt<\/code>\uff1a\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>CHANGE<\/code>\uff1a<\/li>\n<\/ul>\n\n\n\n<p>\u6307\u5b9a\u4e2d\u65ad\u89e6\u53d1\u6a21\u5f0f\u4e3a <code>CHANGE<\/code>\uff0c\u5373\u5f53\u5f15\u811a\u7535\u5e73\u53d1\u751f\u53d8\u5316\u65f6\u89e6\u53d1\u4e2d\u65ad\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u8ba9\u6211\u4eec\u6765\u8be6\u7ec6\u770b\u4e00\u4e0b\u8fd9\u4e2a\u4e2d\u65ad\u89e6\u53d1\u6a21\u5f0f\uff08\u6e90\u4ee3\u7801\u4f4d\u4e8e<code>Arduino.h<\/code>\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/Interrupt Modes\n#define RISING    0x01\n#define FALLING   0x02\n#define CHANGE    0x03\n#define ONLOW     0x04\n#define ONHIGH    0x05\n#define ONLOW_WE  0x0C\n#define ONHIGH_WE 0x0D<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>RISING<\/code>\uff1a\u68c0\u6d4b\u4e0a\u5347\u6cbf\uff08\u4ece\u4f4e\u7535\u5e73\u5230\u9ad8\u7535\u5e73\uff09\u3002<\/li>\n\n\n\n<li><code>FALLING<\/code>\uff1a\u68c0\u6d4b\u4e0b\u964d\u6cbf\uff08\u4ece\u9ad8\u7535\u5e73\u5230\u4f4e\u7535\u5e73\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"974\" height=\"357\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/445a396c-3e0b-4375-91d3-17dcd6c31da8.png\" alt=\"\" class=\"wp-image-289\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/445a396c-3e0b-4375-91d3-17dcd6c31da8.png 974w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/445a396c-3e0b-4375-91d3-17dcd6c31da8-300x110.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/445a396c-3e0b-4375-91d3-17dcd6c31da8-768x281.png 768w\" sizes=\"auto, (max-width: 974px) 100vw, 974px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>CHANGE<\/code>\uff1a\u68c0\u6d4b\u4efb\u4f55\u7535\u5e73\u53d8\u5316\u3002<\/li>\n\n\n\n<li><code>ONLOW<\/code>\uff1a\u68c0\u6d4b\u5f15\u811a\u4e3a\u4f4e\u7535\u5e73\u3002<\/li>\n\n\n\n<li><code>ONHIGH<\/code>\uff1a\u68c0\u6d4b\u5f15\u811a\u4e3a\u9ad8\u7535\u5e73\u3002<\/li>\n\n\n\n<li><code>ONLOW_WE<\/code>\uff1a\u68c0\u6d4b\u5f15\u811a\u4e3a\u4f4e\u7535\u5e73\uff0c\u5e76\u6301\u7eed\u89e6\u53d1\u4e2d\u65ad\u3002<\/li>\n\n\n\n<li><code>ONHIGH_WE<\/code>\uff1a\u68c0\u6d4b\u5f15\u811a\u4e3a\u9ad8\u7535\u5e73\uff0c\u5e76\u6301\u7eed\u89e6\u53d1\u4e2d\u65ad\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<pre class=\"wp-block-code\"><code>void loop() {\n  if (flag) {\n    \/\/ \u8f6f\u4ef6\u53bb\u6296\u52a8\n    delay(50);  \/\/ \u5ef6\u65f650\u6beb\u79d2\u4ee5\u6d88\u9664\u6296\u52a8\n    if (digitalRead(BUTTON) == HIGH) {\n      Serial.println(\"\u5916\u90e8\u4e2d\u65ad\u89e6\u53d1\u4e86\");\n      flag = false;\n    }\n  }\n}<\/code><\/pre>\n\n\n\n<p>\u5728 <code>loop<\/code> \u51fd\u6570\u4e2d\u68c0\u67e5\u6807\u5fd7\u4f4d\uff0c\u8fdb\u884c\u7b80\u5355\u7684\u8f6f\u4ef6\u53bb\u6296\u52a8\uff0c\u786e\u8ba4\u6309\u94ae\u72b6\u6001\uff0c\u5e76\u6253\u5370\u6d88\u606f\u3002<\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u6211\u4eec\u8fd9\u6837\u64cd\u4f5c\uff0c\u800c\u4e0d\u662f\u91c7\u7528\u5982\u4e0b\u5f62\u5f0f\u5462\uff1f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void handle_interrupt() \n{        \n    \/\/ \u8f6f\u4ef6\u53bb\u6296\u52a8\n    delay(50);  \/\/ \u5ef6\u65f650\u6beb\u79d2\u4ee5\u6d88\u9664\u6296\u52a8\n    if (digitalRead(BUTTON) == HIGH) {\n    Serial.println(\"\u5916\u90e8\u4e2d\u65ad\u89e6\u53d1\u4e86\");\n} \nvoid loop() \n{\n}<\/code><\/pre>\n\n\n\n<p>\u4e2d\u65ad\u5904\u7406\u51fd\u6570\uff08ISR\uff09\u5e94\u8be5\u5c3d\u53ef\u80fd\u5feb\u901f\u6267\u884c\uff0c\u4ee5\u907f\u514d\u5f71\u54cd\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u5176\u4ed6\u4e2d\u65ad\u7684\u5904\u7406\u3002<code>delay(50)<\/code> \u4f1a\u963b\u585e ISR 50 \u6beb\u79d2\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u5728\u8fd9\u6bb5\u65f6\u95f4\u5185\u65e0\u6cd5\u54cd\u5e94\u5176\u4ed6\u4e2d\u65ad\u6216\u6267\u884c\u5176\u4ed6\u4efb\u52a1\uff0c\u5f88\u4e0d\u4f18\u96c5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.3.3 \u7ea2\u7eff\u706f\u6e90\u4ee3\u7801<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n\n#define BUTTON 4\n#define RED_LED 15\n#define YELLOW_LED 16\n#define GREEN_LED 17\n\n\/\/ \u5b9a\u4e49\u53ef\u4ee5\u5728\u5916\u90e8\u4e2d\u65ad\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u7684\u53d8\u91cf\nbool flag = false;\nbool running = false; \/\/ \u6d41\u6c34\u706f\u8fd0\u884c\u72b6\u6001\nunsigned long previousMillis = 0; \/\/ \u4e0a\u4e00\u6b21\u5207\u6362\u65f6\u95f4\nconst long interval = 500; \/\/ \u5207\u6362\u95f4\u9694\u65f6\u95f4\uff08\u6beb\u79d2\uff09\nint currentLED = RED_LED; \/\/ \u5f53\u524d\u70b9\u4eae\u7684LED\n\nvoid handle_interrupt() \n{\n    flag = true;    \n}\n\nvoid setup() {\n    pinMode(BUTTON, INPUT_PULLUP);\n    pinMode(RED_LED, OUTPUT);\n    pinMode(YELLOW_LED, OUTPUT);\n    pinMode(GREEN_LED, OUTPUT);\n    \/\/ \u914d\u7f6e\u4e2d\u65ad\u5f15\u811a\n    attachInterrupt(digitalPinToInterrupt(BUTTON), handle_interrupt, CHANGE);\n}\n\nvoid loop() \n{\n  if (flag) \n  {\n    \/\/ \u8f6f\u4ef6\u53bb\u6296\u52a8\n    delay(50);  \/\/ \u5ef6\u65f650\u6beb\u79d2\u4ee5\u6d88\u9664\u6296\u52a8\n    if (digitalRead(BUTTON) == LOW) {\n        running = !running; \/\/ \u5207\u6362\u6d41\u6c34\u706f\u7684\u8fd0\u884c\u72b6\u6001\n        flag = false;\n    }\n  }\n\n  if (running) \n  {\n    unsigned long currentMillis = millis();\n    if (currentMillis - previousMillis &gt;= interval) \n    {\n        \/\/ \u4fdd\u5b58\u4e0a\u4e00\u6b21\u5207\u6362\u65f6\u95f4\n        previousMillis = currentMillis;\n\n        \/\/ \u5173\u95ed\u5f53\u524dLED\n        digitalWrite(currentLED, LOW);\n\n        \/\/ \u5207\u6362\u5230\u4e0b\u4e00\u4e2aLED\n        if (currentLED == RED_LED) \n        {\n            currentLED = YELLOW_LED;\n        } \n        else if (currentLED == YELLOW_LED) \n        {\n            currentLED = GREEN_LED;\n        } \n        else \n        {\n            currentLED = RED_LED;\n        }\n\n        \/\/ \u70b9\u4eae\u4e0b\u4e00\u4e2aLED\n        digitalWrite(currentLED, HIGH);\n    }\n  } \n  else \n  {\n    \/\/ \u5173\u95ed\u6240\u6709LED\n    digitalWrite(RED_LED, LOW);\n    digitalWrite(YELLOW_LED, LOW);\n    digitalWrite(GREEN_LED, LOW);\n  }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">3.3.4 \u7ea2\u7eff\u706f\u4ee3\u7801\u5206\u6790<\/h4>\n\n\n\n<p>\u5934\u6587\u4ef6\u548c\u5b8f\u5b9a\u4e49<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5305\u542bArduino\u7684\u6838\u5fc3\u5e93\uff0c\u63d0\u4f9b\u4e86Arduino\u7684\u57fa\u672c\u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>#define BUTTON 4\n#define RED_LED 15\n#define YELLOW_LED 16\n#define GREEN_LED 17<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u4e86\u6309\u94ae\u548c\u4e09\u4e2aLED\u7684\u5f15\u811a\u7f16\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5168\u5c40\u53d8\u91cf<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bool flag = false;bool running = false; \/\/ \u6d41\u6c34\u706f\u8fd0\u884c\u72b6\u6001\nunsigned long previousMillis = 0; \/\/ \u4e0a\u4e00\u6b21\u5207\u6362\u65f6\u95f4\nconst long interval = 500; \/\/ \u5207\u6362\u95f4\u9694\u65f6\u95f4\uff08\u6beb\u79d2\uff09\nint currentLED = RED_LED; \/\/ \u5f53\u524d\u70b9\u4eae\u7684LED<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>flag<\/code>\uff1a\u7528\u4e8e\u6807\u5fd7\u5916\u90e8\u4e2d\u65ad\u662f\u5426\u88ab\u89e6\u53d1\u3002<\/li>\n\n\n\n<li><code>running<\/code>\uff1a\u8868\u793a\u6d41\u6c34\u706f\u662f\u5426\u5728\u8fd0\u884c\u3002<\/li>\n\n\n\n<li><code>previousMillis<\/code>\uff1a\u8bb0\u5f55\u4e0a\u4e00\u6b21LED\u5207\u6362\u7684\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><code>interval<\/code>\uff1aLED\u5207\u6362\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u8bbe\u7f6e\u4e3a500\u6beb\u79d2\u3002<\/li>\n\n\n\n<li><code>currentLED<\/code>\uff1a\u5f53\u524d\u70b9\u4eae\u7684LED\u5f15\u811a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4e2d\u65ad\u5904\u7406\u51fd\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void handle_interrupt() \n{\n    flag = true;    \n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>handle_interrupt()<\/code>\uff1a\u5916\u90e8\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u3002\u5f53\u6309\u94ae\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\uff0c<code>flag<\/code>\u88ab\u8bbe\u7f6e\u4e3a<code>true<\/code>\uff0c\u8868\u793a\u4e2d\u65ad\u88ab\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<p><code>setup()<\/code> \u51fd\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void setup() {\n    pinMode(BUTTON, INPUT_PULLUP);\n    pinMode(RED_LED, OUTPUT);\n    pinMode(YELLOW_LED, OUTPUT);\n    pinMode(GREEN_LED, OUTPUT);\n    \/\/ \u914d\u7f6e\u4e2d\u65ad\u5f15\u811a\n    attachInterrupt(digitalPinToInterrupt(BUTTON), handle_interrupt, CHANGE);\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>pinMode(BUTTON, INPUT_PULLUP);<\/code>\uff1a\u5c06\u6309\u94ae\u5f15\u811a\u8bbe\u7f6e\u4e3a\u8f93\u5165\u4e0a\u62c9\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li><code>pinMode(RED_LED, OUTPUT);<\/code>\uff1a\u5c06\u7ea2\u8272LED\u5f15\u811a\u8bbe\u7f6e\u4e3a\u8f93\u51fa\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li><code>pinMode(YELLOW_LED, OUTPUT);<\/code>\uff1a\u5c06\u9ec4\u8272LED\u5f15\u811a\u8bbe\u7f6e\u4e3a\u8f93\u51fa\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li><code>pinMode(GREEN_LED, OUTPUT);<\/code>\uff1a\u5c06\u7eff\u8272LED\u5f15\u811a\u8bbe\u7f6e\u4e3a\u8f93\u51fa\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li><code>attachInterrupt(digitalPinToInterrupt(BUTTON), handle_interrupt, CHANGE);<\/code>\uff1a\u5c06\u6309\u94ae\u5f15\u811a\u914d\u7f6e\u4e3a\u5916\u90e8\u4e2d\u65ad\uff0c\u89e6\u53d1\u6a21\u5f0f\u4e3a<code>CHANGE<\/code>\uff08\u7535\u5e73\u53d8\u5316\u65f6\u89e6\u53d1\uff09\uff0c\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u4e3a<code>handle_interrupt<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<p><code>loop()<\/code> \u51fd\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void loop() \n{\n  if (flag) \n  {\n    \/\/ \u8f6f\u4ef6\u53bb\u6296\u52a8\n    delay(50);  \/\/ \u5ef6\u65f650\u6beb\u79d2\u4ee5\u6d88\u9664\u6296\u52a8\n    if (digitalRead(BUTTON) == LOW) {\n        running = !running; \/\/ \u5207\u6362\u6d41\u6c34\u706f\u7684\u8fd0\u884c\u72b6\u6001\n        flag = false;\n    }\n  }<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>if (flag)<\/code>\uff1a\u68c0\u67e5<code>flag<\/code>\u662f\u5426\u4e3a<code>true<\/code>\uff0c\u5373\u662f\u5426\u89e6\u53d1\u4e86\u5916\u90e8\u4e2d\u65ad\u3002<\/li>\n\n\n\n<li><code>delay(50);<\/code>\uff1a\u5ef6\u65f650\u6beb\u79d2\u4ee5\u6d88\u9664\u6309\u94ae\u7684\u6296\u52a8\u3002<\/li>\n\n\n\n<li><code>if (digitalRead(BUTTON) == LOW)<\/code>\uff1a\u68c0\u67e5\u6309\u94ae\u662f\u5426\u88ab\u6309\u4e0b\uff08\u4f4e\u7535\u5e73\uff09\u3002<\/li>\n\n\n\n<li><code>running = !running;<\/code>\uff1a\u5207\u6362\u6d41\u6c34\u706f\u7684\u8fd0\u884c\u72b6\u6001\uff08\u542f\u52a8\u6216\u505c\u6b62\uff09\u3002<\/li>\n\n\n\n<li><code>flag = false;<\/code>\uff1a\u91cd\u7f6e<code>flag<\/code>\uff0c\u7b49\u5f85\u4e0b\u4e00\u6b21\u4e2d\u65ad\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>if (running) \n  {\n    unsigned long currentMillis = millis();\n    if (currentMillis - previousMillis &gt;= interval) \n    {\n        \/\/ \u4fdd\u5b58\u4e0a\u4e00\u6b21\u5207\u6362\u65f6\u95f4\n        previousMillis = currentMillis;\n\n        \/\/ \u5173\u95ed\u5f53\u524dLED\n        digitalWrite(currentLED, LOW);\n\n        \/\/ \u5207\u6362\u5230\u4e0b\u4e00\u4e2aLED\n        if (currentLED == RED_LED) \n        {\n            currentLED = YELLOW_LED;\n        } \n        else if (currentLED == YELLOW_LED) \n        {\n            currentLED = GREEN_LED;\n        } \n        else \n        {\n            currentLED = RED_LED;\n        }\n\n        \/\/ \u70b9\u4eae\u4e0b\u4e00\u4e2aLED\n        digitalWrite(currentLED, HIGH);\n    }\n  } \n  else \n  {\n    \/\/ \u5173\u95ed\u6240\u6709LED\n    digitalWrite(RED_LED, LOW);\n    digitalWrite(YELLOW_LED, LOW);\n    digitalWrite(GREEN_LED, LOW);\n  }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>if (running)<\/code>\uff1a\u68c0\u67e5\u6d41\u6c34\u706f\u662f\u5426\u5728\u8fd0\u884c\u3002<\/li>\n\n\n\n<li><code>unsigned long currentMillis = millis();<\/code>\uff1a\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n<p><code>millis()<\/code> \u662f Arduino \u4e2d\u7684\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570\uff0c\u7528\u4e8e\u8fd4\u56de\u81ea\u7a0b\u5e8f\u542f\u52a8\u4ee5\u6765\u7ecf\u8fc7\u7684\u6beb\u79d2\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u975e\u5e38\u6709\u7528\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u8fdb\u884c\u65f6\u95f4\u76f8\u5173\u7684\u64cd\u4f5c\u65f6\uff0c\u4f8b\u5982\u5b9a\u65f6\u5668\u3001\u5ef6\u8fdf\u3001\u65f6\u95f4\u6233\u7b49\u3002<\/p>\n\n\n\n<p><code>millis()<\/code> \u51fd\u6570\u7684\u4f5c\u7528<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u8fd4\u56de\u81ea\u7a0b\u5e8f\u542f\u52a8\u4ee5\u6765\u7684<\/strong><strong>\u6beb\u79d2<\/strong><strong>\u6570<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><code>millis()<\/code> \u8fd4\u56de\u4e00\u4e2a <code>unsigned long<\/code> \u7c7b\u578b\u7684\u503c\uff0c\u8868\u793a\u81ea\u7a0b\u5e8f\u542f\u52a8\u4ee5\u6765\u7ecf\u8fc7\u7684\u6beb\u79d2\u6570\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e2a\u503c\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u4e0d\u65ad\u589e\u52a0\uff0c\u76f4\u5230\u8fbe\u5230 <code>unsigned long<\/code>\uff08\u5b83\u7684\u5b58\u50a8\u8303\u56f4\u662f\u4ece 0 \u5230 2^32 &#8211; 1\uff0c\u5373 0 \u5230 4,294,967,295\uff09 \u7684\u6700\u5927\u503c\uff08\u5927\u7ea6 49.7 \u5929\uff09\uff0c\u7136\u540e\u4f1a\u4ece\u96f6\u91cd\u65b0\u5f00\u59cb\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u975e\u963b\u585e\u5ef6\u8fdf<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li>\u4e0e <code>delay()<\/code> \u51fd\u6570\u4e0d\u540c\uff0c<code>millis()<\/code> \u4e0d\u4f1a\u963b\u585e\u7a0b\u5e8f\u7684\u6267\u884c\u3002\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u5728\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u7684\u540c\u65f6\u6267\u884c\u5176\u4ed6\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>millis()<\/code> \u6765\u5b9e\u73b0\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528 <code>delay()<\/code> \u51fd\u6570\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>if (currentMillis - previousMillis &gt;= interval)<\/code>\uff1a\u68c0\u67e5\u662f\u5426\u8fbe\u5230\u4e86\u5207\u6362\u65f6\u95f4\u95f4\u9694\u3002<\/li>\n\n\n\n<li><code>previousMillis = currentMillis;<\/code>\uff1a\u66f4\u65b0\u4e0a\u4e00\u6b21\u5207\u6362\u65f6\u95f4\u3002<\/li>\n\n\n\n<li><code>digitalWrite(currentLED, LOW);<\/code>\uff1a\u5173\u95ed\u5f53\u524d\u70b9\u4eae\u7684LED\u3002<\/li>\n\n\n\n<li><code>if (currentLED == RED_LED)<\/code>\uff1a\u6839\u636e\u5f53\u524d\u70b9\u4eae\u7684LED\u5207\u6362\u5230\u4e0b\u4e00\u4e2aLED\u3002<\/li>\n\n\n\n<li><code>digitalWrite(currentLED, HIGH);<\/code>\uff1a\u70b9\u4eae\u4e0b\u4e00\u4e2aLED\u3002<\/li>\n\n\n\n<li><code>else<\/code>\uff1a\u5982\u679c\u6d41\u6c34\u706f\u672a\u8fd0\u884c\uff0c\u5173\u95ed\u6240\u6709LED\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u603b\u7ed3<\/p>\n\n\n\n<p>\u8fd9\u6bb5\u4ee3\u7801\u901a\u8fc7\u5916\u90e8\u4e2d\u65ad\u63a7\u5236\u6d41\u6c34\u706f\u7684\u542f\u52a8\u548c\u505c\u6b62\u3002\u5f53\u6309\u94ae\u88ab\u6309\u4e0b\u65f6\uff0c\u6d41\u6c34\u706f\u4f1a\u5728\u7ea2\u8272\u3001\u9ec4\u8272\u548c\u7eff\u8272LED\u4e4b\u95f4\u5faa\u73af\u5207\u6362\uff0c\u6bcf\u6b21\u5207\u6362\u95f4\u9694\u4e3a500\u6beb\u79d2\u3002\u5982\u679c\u6309\u94ae\u518d\u6b21\u88ab\u6309\u4e0b\uff0c\u6d41\u6c34\u706f\u5c06\u505c\u6b62\u3002\u4ee3\u7801\u4e2d\u8fd8\u5305\u542b\u4e86\u8f6f\u4ef6\u53bb\u6296\u52a8\u5904\u7406\uff0c\u4ee5\u907f\u514d\u6309\u94ae\u6296\u52a8\u5f15\u8d77\u7684\u8bef\u89e6\u53d1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3.4 \u5b9a\u65f6\u5668<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"551\" height=\"241\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/3ec1c591-9aa4-4930-bdb0-5f46a423093b.png\" alt=\"\" class=\"wp-image-290\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/3ec1c591-9aa4-4930-bdb0-5f46a423093b.png 551w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/3ec1c591-9aa4-4930-bdb0-5f46a423093b-300x131.png 300w\" sizes=\"auto, (max-width: 551px) 100vw, 551px\" \/><\/figure>\n\n\n\n<p>\u5b9a\u65f6\u5668\u5c31\u50cf\u662f\u4e00\u4e2a\u95f9\u949f\uff0c\u5b83\u53ef\u4ee5\u5728\u8bbe\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u540e\u63d0\u9192\u4f60\u505a\u67d0\u4ef6\u4e8b\u60c5\u3002\u5728\u7535\u5b50\u8bbe\u5907\u4e2d\uff0c\u5b9a\u65f6\u5668\u7528\u4e8e\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u540e\u89e6\u53d1\u67d0\u4e9b\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u7269\u7406\u5b9e\u4f53<\/p>\n\n\n\n<p>\u4ee3\u7801\u5c42\u9762<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u786c\u4ef6\u5b9a\u65f6\u5668\u7684\u4f18\u7f3a\u70b9\uff1a<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u4f18\u70b9\uff1a<\/strong><\/h5>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u7cbe\u786e\u6027<\/strong>\uff1a\u786c\u4ef6\u5b9a\u65f6\u5668\u901a\u5e38\u975e\u5e38\u7cbe\u786e\uff0c\u56e0\u4e3a\u5b83\u4eec\u7531\u4e13\u95e8\u7684\u786c\u4ef6\u7535\u8def\u5b9e\u73b0\uff0c\u4e0d\u53d7CPU\u8d1f\u8f7d\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li><strong>\u72ec\u7acb\u6027<\/strong>\uff1a\u786c\u4ef6\u5b9a\u65f6\u5668\u53ef\u4ee5\u72ec\u7acb\u4e8eCPU\u8fd0\u884c\uff0c\u5373\u4f7fCPU\u5fd9\u4e8e\u5176\u4ed6\u4efb\u52a1\uff0c\u5b9a\u65f6\u5668\u4e5f\u80fd\u51c6\u786e\u8ba1\u65f6\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u65f6\u6027<\/strong>\uff1a\u786c\u4ef6\u5b9a\u65f6\u5668\u9002\u5408\u9700\u8981\u9ad8\u5b9e\u65f6\u6027\u7684\u5e94\u7528\uff0c\u5982\u5d4c\u5165\u5f0f\u7cfb\u7edf\u548c\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li><strong>\u53ef\u9760\u6027<\/strong>\uff1a\u7531\u4e8e\u4e0d\u4f9d\u8d56\u4e8e\u8f6f\u4ef6\uff0c\u786c\u4ef6\u5b9a\u65f6\u5668\u5728\u7cfb\u7edf\u5d29\u6e83\u6216\u8f6f\u4ef6\u9519\u8bef\u65f6\u4ecd\u80fd\u5de5\u4f5c\u3002<\/li>\n<\/ol>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u7f3a\u70b9\uff1a<\/strong><\/h5>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u786c\u4ef6\u5b9a\u65f6\u5668\u7684\u529f\u80fd\u901a\u5e38\u6bd4\u8f83\u56fa\u5b9a\uff0c\u4e0d\u5982\u8f6f\u4ef6\u5b9a\u65f6\u5668\u7075\u6d3b\u3002<\/li>\n\n\n\n<li><strong>\u8d44\u6e90\u9650\u5236<\/strong>\uff1a\u786c\u4ef6\u5b9a\u65f6\u5668\u7684\u6570\u91cf\u548c\u7c7b\u578b\u53ef\u80fd\u53d7\u9650\u4e8e\u786c\u4ef6\u8bbe\u8ba1\uff0c\u65e0\u6cd5\u50cf\u8f6f\u4ef6\u90a3\u6837\u5bb9\u6613\u6269\u5c55\uff0c\u5c314\u4e2a\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u8f6f\u4ef6\u5b9a\u65f6\u5668\u7684\u4f18\u7f3a\u70b9\uff1a<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u4f18\u70b9\uff1a<\/strong><\/h5>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u65f6\u5668\u53ef\u4ee5\u6839\u636e\u7a0b\u5e8f\u7684\u9700\u8981\u7075\u6d3b\u5730\u521b\u5efa\u3001\u914d\u7f6e\u548c\u9500\u6bc1\u3002<\/li>\n\n\n\n<li><strong>\u53ef\u7f16\u7a0b\u6027<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u65f6\u5668\u53ef\u4ee5\u901a\u8fc7\u7f16\u7a0b\u5b9e\u73b0\u590d\u6742\u7684\u5b9a\u65f6\u4efb\u52a1\u548c\u8c03\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u6269\u5c55\u6027<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u65f6\u5668\u7406\u8bba\u4e0a\u6ca1\u6709\u6570\u91cf\u9650\u5236\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u521b\u5efa\u591a\u4e2a\u5b9a\u65f6\u5668\u3002<\/li>\n\n\n\n<li><strong>\u6210\u672c<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u65f6\u5668\u4e0d\u9700\u8981\u989d\u5916\u7684\u786c\u4ef6\u652f\u6301\uff0c\u53ef\u4ee5\u8282\u7701\u6210\u672c\u3002<\/li>\n<\/ol>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u7f3a\u70b9\uff1a<\/strong><\/h5>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u7cbe\u786e\u6027<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u65f6\u5668\u7684\u7cbe\u786e\u6027\u53d7\u9650\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u8c03\u5ea6\u548cCPU\u7684\u8d1f\u8f7d\uff0c\u53ef\u80fd\u4e0d\u5982\u786c\u4ef6\u5b9a\u65f6\u5668\u7cbe\u786e\u3002<\/li>\n\n\n\n<li><strong>\u4f9d\u8d56\u6027<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u65f6\u5668\u4f9d\u8d56\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u548cCPU\u7684\u6b63\u5e38\u8fd0\u884c\uff0c\u5982\u679c\u7cfb\u7edf\u5d29\u6e83\u6216CPU\u8fc7\u8f7d\uff0c\u5b9a\u65f6\u5668\u53ef\u80fd\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/li>\n\n\n\n<li><strong>\u5b9e\u65f6\u6027<\/strong>\uff1a\u8f6f\u4ef6\u5b9a\u65f6\u5668\u4e0d\u9002\u5408\u9700\u8981\u6781\u9ad8\u5b9e\u65f6\u6027\u7684\u5e94\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u53d7\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7684\u5f71\u54cd\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u786c\u4ef6\u5b9a\u65f6\u5668\u548c\u8f6f\u4ef6\u5b9a\u65f6\u5668\u5404\u6709\u4f18\u52a3\uff0c\u5177\u4f53\u9009\u62e9\u53d6\u51b3\u4e8e\u4f60\u7684\u5e94\u7528\u9700\u6c42\u3002\u5982\u679c\u9700\u8981\u9ad8\u7cbe\u5ea6\u3001\u5b9e\u65f6\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u5efa\u8bae\u4f7f\u7528\u786c\u4ef6\u5b9a\u65f6\u5668\u3002\u5982\u679c\u65f6\u95f4\u7cbe\u5ea6\u8981\u6c42\u4e0d\u9ad8\uff0c\u6216\u8005\u53ea\u9700\u8981\u57fa\u672c\u7684\u5b9a\u65f6\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f6f\u4ef6\u5b9a\u65f6\u5668\u6765\u7b80\u5316\u4ee3\u7801\u7f16\u5199\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.4.1 \u8f6f\u4ef6\u5b9a\u65f6\u5668\u4e2d\u65ad<\/h4>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528<code>Ticker<\/code>\uff0c\u8fd9\u662f\u4e00\u4e2a\u5185\u7f6e\u7684\u8f6f\u4ef6\u5b9a\u65f6\u5668\u5e93\uff0c\u5b83\u4f7f\u7528 FreeRTOS \u7684\u4efb\u52a1\u8c03\u5ea6\u5668\u6765\u5b9e\u73b0\u5b9a\u65f6\u529f\u80fd\u3002\u4e0e\u786c\u4ef6\u5b9a\u65f6\u5668\u4e0d\u540c\uff0c<code>Ticker<\/code> \u4e0d\u9700\u8981\u786c\u4ef6\u652f\u6301\uff0c\u4ee3\u7801\u5c42\u9762\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728\u4efb\u4f55\u652f\u6301 FreeRTOS \u7684\u5e73\u53f0\u4e0a\u4f7f\u7528\uff0c\u800c\u4e14\u5b9a\u65f6\u5668\u7684\u6570\u91cf\u4e5f\u662f\u6ca1\u6709\u9650\u5236\u7684\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">3.4.1.1 \u6e90\u4ee3\u7801<\/h5>\n\n\n\n<p>\u8d34\u4e2a\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n#include &lt;Ticker.h&gt;\n\n\/\/ \u5b9a\u4e49\u5b9a\u65f6\u5668\u5bf9\u8c61\nTicker timer;\nTicker timer_once;\n\n\/\/ \u5b9a\u4e49LED\u5f15\u811a\n#define LED 16\n#define LED_ONCE 17\n\n\/\/ \u5b9a\u4e49\u5b9a\u65f6\u5668\u4e2d\u65ad\u56de\u8c03\u51fd\u6570\nvoid toggle(int pin) {\n  digitalWrite(pin, !digitalRead(pin)); \/\/ \u5207\u6362\u5f15\u811a\u72b6\u6001\n}\n\nvoid setup() {\n  \/\/ \u521d\u59cb\u5316\u5f15\u811a\u6a21\u5f0f\n  pinMode(LED, OUTPUT);\n  pinMode(LED_ONCE, OUTPUT);                         \n  \/\/ \u914d\u7f6e\u5468\u671f\u6027\u5b9a\u65f6\u5668\n  timer.attach(0.5, toggle, LED);\n  \/\/ \u914d\u7f6e\u4e00\u6b21\u6027\u5b9a\u65f6\u5668\n  timer_once.once(3, toggle, LED_ONCE);\n}\n\nvoid loop() {\n  \/\/ \u4e3b\u5faa\u73af\u4e2d\u4e0d\u9700\u8981\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>Ticker timer;\nTicker timer_once;<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">3.4.1.2 \u4ee3\u7801\u5206\u6790<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4e49\u5b9a\u65f6\u5668\u5bf9\u8c61<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>Ticker timer;<\/code>\uff1a\u521b\u5efa\u4e00\u4e2a <code>Ticker<\/code> \u5bf9\u8c61 <code>timer<\/code>\uff0c\u7528\u4e8e\u5468\u671f\u6027\u5b9a\u65f6\u5668\u3002<\/li>\n\n\n\n<li><code>Ticker timer_once;<\/code>\uff1a\u521b\u5efa\u4e00\u4e2a <code>Ticker<\/code> \u5bf9\u8c61 <code>timer_once<\/code>\uff0c\u7528\u4e8e\u4e00\u6b21\u6027\u5b9a\u65f6\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5b9a\u4e49\u5b9a\u65f6\u5668\u4e2d\u65ad<\/strong><strong>\u56de\u8c03\u51fd\u6570<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>void toggle(int pin)<\/code>\uff1a\u5b9a\u4e49\u4e00\u4e2a\u56de\u8c03\u51fd\u6570 <code>toggle<\/code>\uff0c\u63a5\u53d7\u4e00\u4e2a\u6574\u6570\u53c2\u6570 <code>pin<\/code>\u3002<\/li>\n\n\n\n<li><code>digitalWrite(pin, !digitalRead(pin));<\/code>\uff1a\u8bfb\u53d6\u5f15\u811a\u7684\u5f53\u524d\u72b6\u6001\uff0c\u5e76\u5c06\u5176\u53d6\u53cd\u540e\u5199\u56de\u5f15\u811a\uff0c\u4ece\u800c\u5207\u6362\u5f15\u811a\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><code>timer.attach(0.5, toggle, LED);<\/code>\uff1a\u914d\u7f6e <code>timer<\/code>\uff0c\u4f7f\u5176\u6bcf\u9694 <code>0.5<\/code> \u79d2\u89e6\u53d1\u4e00\u6b21 <code>toggle<\/code> \u51fd\u6570\uff0c\u5e76\u5c06 <code>LED<\/code> \u5f15\u811a\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 <code>toggle<\/code> \u51fd\u6570\u3002<\/li>\n\n\n\n<li><code>timer_once.once(3, toggle, LED_ONCE);<\/code>\uff1a\u914d\u7f6e <code>timer_once<\/code>\uff0c\u4f7f\u5176\u5728 <code>3<\/code> \u79d2\u540e\u89e6\u53d1\u4e00\u6b21 <code>toggle<\/code> \u51fd\u6570\uff0c\u5e76\u5c06 <code>LED_ONCE<\/code> \u5f15\u811a\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 <code>toggle<\/code> \u51fd\u6570\u3002\n<ul class=\"wp-block-list\">\n<li><code>attach_ms(uint32_t milliseconds, callback_function)<\/code>\uff1a\n<ol class=\"wp-block-list\">\n<li>\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\u8bbe\u7f6e\u5b9a\u65f6\u5668\u95f4\u9694\uff0c\u5e76\u7ed1\u5b9a\u56de\u8c03\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\uff1a<code>timer.attach_ms(500, onTick);<\/code> \u6bcf\u9694500\u6beb\u79d2\u89e6\u53d1\u4e00\u6b21 <code>onTick<\/code> \u51fd\u6570\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><code>once(float seconds, callback_function)<\/code>\uff1a\n<ol class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u5b9a\u65f6\u5668\u5728\u6307\u5b9a\u65f6\u95f4\u540e\u89e6\u53d1\u4e00\u6b21\u56de\u8c03\u51fd\u6570\uff0c\u7136\u540e\u505c\u6b62\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\uff1a<code>timer.once(2, onTick);<\/code> 2\u79d2\u949f\u540e\u89e6\u53d1\u4e00\u6b21 <code>onTick<\/code> \u51fd\u6570\uff0c\u7136\u540e\u505c\u6b62\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><code>once_ms(uint32_t milliseconds, callback_function)<\/code>\uff1a\n<ol class=\"wp-block-list\">\n<li>\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\u8bbe\u7f6e\u5b9a\u65f6\u5668\u5728\u6307\u5b9a\u65f6\u95f4\u540e\u89e6\u53d1\u4e00\u6b21\u56de\u8c03\u51fd\u6570\uff0c\u7136\u540e\u505c\u6b62\u3002<\/li>\n\n\n\n<li>\u793a\u4f8b\uff1a<code>timer.once_ms(1000, onTick);<\/code> 1000\u6beb\u79d2\u540e\u89e6\u53d1\u4e00\u6b21 <code>onTick<\/code> \u51fd\u6570\uff0c\u7136\u540e\u505c\u6b62\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><code>detach()<\/code>\uff1a\n<ol class=\"wp-block-list\">\n<li>\u505c\u6b62 <code>timer<\/code>\uff0c\u4e0d\u518d\u89e6\u53d1 <code>onTick<\/code> \u51fd\u6570<\/li>\n\n\n\n<li>\u793a\u4f8b\uff1a<code>timer.detach();<\/code><\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3.4.2 \u786c\u4ef6\u5b9a\u65f6\u5668\u4e2d\u65ad<\/h4>\n\n\n\n<p><code>\u786c\u4ef6\u5b9a\u65f6\u5668<\/code> \u662f ESP32 \u82af\u7247\u4e0a\u7684\u5185\u7f6e\u8ba1\u65f6\u5668\uff0c\u5b83\u4eec\u662f\u4e13\u95e8\u8bbe\u8ba1\u7528\u4e8e\u5b9a\u65f6\u548c\u8ba1\u65f6\u4efb\u52a1\u7684\u786c\u4ef6\u6a21\u5757\uff0c\u901a\u5e38\u5177\u6709\u66f4\u9ad8\u7684\u7cbe\u786e\u5ea6\u548c\u7a33\u5b9a\u6027\u3002\u5b83\u4eec\u4e0d\u53d7\u8f6f\u4ef6\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u5728\u540e\u53f0\u72ec\u7acb\u8fd0\u884c\uff0c\u4e0d\u4f1a\u53d7\u5230\u5176\u4ed6\u4ee3\u7801\u7684\u5e72\u6270\u3002\u786c\u4ef6\u5b9a\u65f6\u5668\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u7cbe\u5ea6\u548c\u5b9e\u65f6\u6027\u7684\u5b9a\u65f6\u4efb\u52a1\uff0c\u4f8b\u5982 PWM \u8f93\u51fa\u3001\u6355\u83b7\u8f93\u5165\u8109\u51b2\u7b49\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cESP32 \u6709 4 \u4e2a\u786c\u4ef6\u5b9a\u65f6\u5668<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1019\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/268c368b-8971-4437-8270-27e8ecf3e6d2.png\" alt=\"\" class=\"wp-image-292\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/268c368b-8971-4437-8270-27e8ecf3e6d2.png 2000w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/268c368b-8971-4437-8270-27e8ecf3e6d2-300x153.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/268c368b-8971-4437-8270-27e8ecf3e6d2-1024x522.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/268c368b-8971-4437-8270-27e8ecf3e6d2-768x391.png 768w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/268c368b-8971-4437-8270-27e8ecf3e6d2-1536x783.png 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/figure>\n\n\n\n<p><strong>\u65f6\u949f\u9891\u7387<\/strong><strong>\uff1a<\/strong><\/p>\n\n\n\n<p>ESP32\u9ed8\u8ba4\u65f6\u949f\u9891\u7387\u662f240MHz\uff0c\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u6210\u9ad8\u4f4e\u7535\u5e73\u7684\u65b9\u6ce2\u4fe1\u53f7\uff0c\u7ecf\u8fc7\u4e00\u7cfb\u5217\u5206\u9891\u64cd\u4f5c\uff0c\u6700\u7ec8\u4f5c\u4e3a\u5916\u8bbe\u7684\u65f6\u949f\u9891\u7387\uff0c\u7528\u4e8e\u5b9a\u65f6\u5668\u7684\u65f6\u949f\u9891\u7387\u9ed8\u8ba4\u662f80MHz\u3002<\/p>\n\n\n\n<p><strong>\u9884<\/strong><strong>\u5206\u9891\u5668<\/strong><strong>\uff1a<\/strong><\/p>\n\n\n\n<p>\u9884\u5206\u9891\u5668\u7684\u5de5\u4f5c\u539f\u7406\u975e\u5e38\u7b80\u5355\uff1a\u5b83\u63a5\u6536\u4e00\u4e2a\u9ad8\u9891\u7684\u8f93\u5165\u65f6\u949f\u4fe1\u53f7\uff0c\u5e76\u6839\u636e\u9884\u8bbe\u7684\u5206\u9891\u7cfb\u6570\uff08\u901a\u5e38\u662f\u4e00\u4e2a\u6574\u6570\uff09\uff0c\u751f\u6210\u4e00\u4e2a\u9891\u7387\u8f83\u4f4e\u7684\u8f93\u51fa\u65f6\u949f\u4fe1\u53f7\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8f93\u5165\u65f6\u949f\u9891\u7387\u4e3a <code>F_in<\/code>\uff0c\u5206\u9891\u7cfb\u6570\u4e3a <code>N<\/code>\uff0c\u5219\u8f93\u51fa\u65f6\u949f\u9891\u7387 <code>F_out<\/code> \u4e3a\uff1a$$Fout=Fin\/N$$<\/p>\n\n\n\n<p>\u7cfb\u6570N\u6211\u4eec\u4e00\u822c\u662f80\uff0c\u56e0\u4e3a80MHz\u7ecf\u8fc7\u9884\u5206\u9891\u5668\u4e4b\u540e\u53d8\u62101MHz\uff0c\u5468\u671f\u5c31\u662f1us\uff0c\u65b9\u4fbf\u6211\u4eec\u7edf\u8ba1\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p><strong>\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\u548c\u8ba1\u6570\u5668\uff1a<\/strong><\/p>\n\n\n\n<p>\u81ea\u52a8\u91cd\u88c5\u5bc4\u5b58\u5668\u8bbe\u5b9a\u4e00\u4e2a\u503ca\uff0c\u8ba1\u6570\u5668\u6839\u636e\u65b9\u5f0f\u5411\u4e0a\u8ba1\u6570\uff0c\u5411\u4e0b\u8ba1\u6570\u3002\u5206\u522b\u4ece0\u5230a\uff0c\u6216\u8005\u4ecea\u52300\u3002\u7136\u540e\u89e6\u53d1\u4e00\u6b21\u5b9a\u65f6\u5668\u4e2d\u65ad\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1508\" height=\"1281\" src=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/829c26a6-9ca0-4dd8-88cf-1548dadcf5fd.png\" alt=\"\" class=\"wp-image-291\" srcset=\"https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/829c26a6-9ca0-4dd8-88cf-1548dadcf5fd.png 1508w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/829c26a6-9ca0-4dd8-88cf-1548dadcf5fd-300x255.png 300w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/829c26a6-9ca0-4dd8-88cf-1548dadcf5fd-1024x870.png 1024w, https:\/\/aimc.skyate.com\/wp-content\/uploads\/2024\/11\/829c26a6-9ca0-4dd8-88cf-1548dadcf5fd-768x652.png 768w\" sizes=\"auto, (max-width: 1508px) 100vw, 1508px\" \/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">3.4.2.1 \u6e90\u4ee3\u7801<\/h5>\n\n\n\n<p>\u8d34\u4e2a\u4ee3\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;Arduino.h&gt;\n\n\/\/ \u5b9a\u4e49\u5b9a\u65f6\u5668\u7f16\u53f7\u548c\u5b9a\u65f6\u5668\u7ec4\n#define TIMER_INTERVAL_MS 1000  \/\/ \u5b9a\u65f6\u5668\u95f4\u9694\u65f6\u95f4\uff08\u6beb\u79d2\uff09\n#define TIMER_DIVIDER 80        \/\/ \u5b9a\u65f6\u5668\u5206\u9891\u5668\uff0c\u7528\u4e8e\u5c06\u7cfb\u7edf\u65f6\u949f\u9891\u7387\u8f6c\u6362\u4e3a\u5b9a\u65f6\u5668\u65f6\u949f\u9891\u7387\n#define RED_LED 15               \/\/ \u7ea2\u8272LED\u5f15\u811a\n\/\/ \u5b9a\u4e49\u53ef\u4ee5\u5728\u4e2d\u65ad\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u7684\u53d8\u91cf\nbool timerFlag = false;\n\n\/\/ \u4e2d\u65ad\u5904\u7406\u51fd\u6570\nvoid IRAM_ATTR onTimer() \n{\n    timerFlag = true;\n}\n\nvoid setup() \n{\n    pinMode(RED_LED, OUTPUT);\n    \/\/ \u914d\u7f6e\u5b9a\u65f6\u5668\n    hw_timer_t * timer = NULL;\n    timer = timerBegin(0, TIMER_DIVIDER, true);  \/\/ \u4f7f\u7528\u5b9a\u65f6\u56680\uff0c\u5206\u9891\u5668\u4e3a80\uff0c\u5411\u4e0a\u8ba1\u6570\n    timerAttachInterrupt(timer, &amp;onTimer, true); \/\/ \u5c06\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u7ed1\u5b9a\u5230\u5b9a\u65f6\u5668\n    timerAlarmWrite(timer, TIMER_INTERVAL_MS * 1000, true); \/\/ \u8bbe\u7f6e\u5b9a\u65f6\u5668\u95f4\u9694\u65f6\u95f4\uff08\u5fae\u79d2\uff09\n    timerAlarmEnable(timer); \/\/ \u542f\u7528\u5b9a\u65f6\u5668\n}\n\nvoid loop() \n{\n    if (timerFlag) \n    {\n        timerFlag = false;\n        digitalWrite(RED_LED, !digitalRead(RED_LED));\n    }\n}\n<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">3.4.2.2 \u4ee3\u7801\u5206\u6790<\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4e2d\u65ad\u5904\u7406\u51fd\u6570\nvoid onTimer() \n{\n    timerFlag = true;\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>onTimer<\/code> \u51fd\u6570\u662f\u4e2d\u65ad\u5904\u7406\u51fd\u6570\uff0c\u5f53\u5b9a\u65f6\u5668\u4e2d\u65ad\u89e6\u53d1\u65f6\uff0c\u8fd9\u4e2a\u51fd\u6570\u4f1a\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li>\u5728 <code>onTimer<\/code> \u51fd\u6570\u4e2d\uff0c\u5c06 <code>timerFlag<\/code> \u8bbe\u7f6e\u4e3a <code>true<\/code>\uff0c\u4ee5\u901a\u77e5\u4e3b\u7a0b\u5e8f\u5b9a\u65f6\u5668\u4e2d\u65ad\u5df2\u7ecf\u89e6\u53d1\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>void setup() \n{\n    \/\/ \u914d\u7f6e\u5b9a\u65f6\u5668\n    hw_timer_t * timer = NULL;\n    timer = timerBegin(0, TIMER_DIVIDER, true);  \/\/ \u4f7f\u7528\u5b9a\u65f6\u56680\uff0c\u5206\u9891\u5668\u4e3a80\uff0c\u5411\u4e0a\u8ba1\u6570\n    timerAttachInterrupt(timer, &amp;onTimer, true); \/\/ \u5c06\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u7ed1\u5b9a\u5230\u5b9a\u65f6\u5668\n    timerAlarmWrite(timer, TIMER_INTERVAL_MS * 1000, true); \/\/ \u8bbe\u7f6e\u5b9a\u65f6\u5668\u95f4\u9694\u65f6\u95f4\uff08\u5fae\u79d2\uff09\n    timerAlarmEnable(timer); \/\/ \u542f\u7528\u5b9a\u65f6\u5668\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>timer<\/code>\uff1a\u786c\u4ef6\u5b9a\u65f6\u5668\u53e5\u67c4\u3002<\/li>\n\n\n\n<li><code>timerBegin(0, TIMER_DIVIDER, true);<\/code>\uff1a\u521d\u59cb\u5316\u5b9a\u65f6\u5668 0\uff0c\u5206\u9891\u5668\u4e3a 80\uff0c\u5411\u4e0a\u8ba1\u6570\u3002<\/li>\n\n\n\n<li><code>timerAttachInterrupt(timer, &amp;onTimer, true);<\/code>\uff1a\u5c06\u4e2d\u65ad\u5904\u7406\u51fd\u6570 <code>onTimer<\/code> \u7ed1\u5b9a\u5230\u5b9a\u65f6\u5668\u3002<\/li>\n\n\n\n<li><code>timerAlarmWrite(timer, TIMER_INTERVAL_MS * 1000, true);<\/code>\uff1a\u8bbe\u7f6e\u5b9a\u65f6\u5668\u7684\u95f4\u9694\u65f6\u95f4\uff08\u5fae\u79d2\uff09\uff0c\u5e76\u542f\u7528\u81ea\u52a8\u91cd\u8f7d\u3002<\/li>\n\n\n\n<li><code>timerAlarmEnable(timer);<\/code>\uff1a\u542f\u7528\u5b9a\u65f6\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8fd9\u91cc\u662f\u6574\u4e2a\u786c\u4ef6\u5b9a\u65f6\u5668\u7684\u6838\u5fc3\uff0c\u8ba9\u6211\u4eec\u6765\u8be6\u7ec6\u770b\u4e00\u4e0b<\/strong><\/p>\n\n\n\n<p><code>void timerBegin(timer_num_t timer_num, uint32_t divider, bool count_up)<\/code>\uff1a\u521d\u59cb\u5316\u786c\u4ef6\u5b9a\u65f6\u5668\u3002\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>timer_num<\/code>\uff1a\u5b9a\u65f6\u5668\u7f16\u53f7\uff0c\u53ef\u9009\u503c\u4e3a 0-3 \u3002<\/li>\n\n\n\n<li><code>divider<\/code>\uff1a\u5b9a\u65f6\u5668\u7684\u5206\u9891\u7cfb\u6570\uff0c\u7528\u4e8e\u8bbe\u7f6e\u5b9a\u65f6\u5668\u7684\u65f6\u949f\u9891\u7387\u3002\u8f83\u5927\u7684\u5206\u9891\u7cfb\u6570\u5c06\u964d\u4f4e\u5b9a\u65f6\u5668\u7684\u65f6\u949f\u9891\u7387\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u503c\uff0c\u4e00\u822c\u8bbe\u7f6e\u4e3a 80 \u5373\u53ef\uff1b<\/li>\n\n\n\n<li><code>count_up<\/code>\uff1a\u6307\u5b9a\u5b9a\u65f6\u5668\u662f\u5426\u4e3a\u5411\u4e0a\u8ba1\u6570\u6a21\u5f0f\u3002\u8bbe\u7f6e\u4e3a true \u8868\u793a\u5411\u4e0a\u8ba1\u6570\uff0c\u8bbe\u7f6e\u4e3a false \u8868\u793a\u5411\u4e0b\u8ba1\u6570\u3002<\/li>\n<\/ol>\n\n\n\n<p><code>timerAttachInterrupt(hw_timer_t *timer, void (*isr)(void *), void *arg, int intr_type)<\/code>\uff1a\u7528\u4e8e\u5c06\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u4e0e\u7279\u5b9a\u7684\u5b9a\u65f6\u5668\u5173\u8054\u8d77\u6765\u3002<\/p>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>timer<\/code>\uff1b\u5b9a\u65f6\u5668\u6307\u9488\uff1b<\/li>\n\n\n\n<li><code>isr<\/code>: \u4e2d\u65ad\u5904\u7406\u51fd\u6570\u3002<\/li>\n\n\n\n<li><code>arg<\/code>: \u4f20\u9012\u7ed9\u4e2d\u65ad\u5904\u7406\u51fd\u6570\u7684\u53c2\u6570\uff08\u53ef\u9009\uff09\u3002<\/li>\n\n\n\n<li><code>intr_type<\/code>: \u4e2d\u65ad\u7c7b\u578b\uff0c\u53ef\u9009\u503c\u4e3a ture\uff08\u8fb9\u6cbf\u89e6\u53d1\uff09\u6216 false\uff08\u7535\u5e73\u89e6\u53d1\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<p><code>timerAlarmWrite(hw_timer_t *timer, uint64_t alarm_value, bool autoreload)<\/code>\uff1a\u7528\u4e8e\u8bbe\u7f6e\u5b9a\u65f6\u5668\u7684\u8ba1\u6570\u503c\uff0c\u5373\u5b9a\u65f6\u5668\u89e6\u53d1\u7684\u65f6\u95f4\u95f4\u9694\u3002<\/p>\n\n\n\n<p>\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>timer<\/code>\uff1a\u5b9a\u65f6\u5668\u6307\u9488\uff1b<\/li>\n\n\n\n<li><code>alarm_value<\/code>: \u5b9a\u65f6\u5668\u7684\u8ba1\u6570\u503c\uff0c\u5373\u89e6\u53d1\u65f6\u95f4\u95f4\u9694\uff1b<\/li>\n\n\n\n<li><code>autoreload<\/code>: \u662f\u5426\u81ea\u52a8\u91cd\u8f7d\u8ba1\u6570\u503c\uff0c\u53ef\u9009\u503c\u4e3a true\uff08\u81ea\u52a8\u91cd\u8f7d\uff09\u6216 false\uff08\u5355\u6b21\u89e6\u53d1\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e00\u4e9b\u522b\u7684\u51fd\u6570\uff1a<\/p>\n\n\n\n<p><code>timerAlarmEnable(hw_timer_t *timer)<\/code>\uff1a\u7528\u4e8e\u542f\u52a8\u5b9a\u65f6\u5668\uff0c\u4f7f\u5176\u5f00\u59cb\u8ba1\u6570\uff1b<\/p>\n\n\n\n<p><code>timerAlarmDisable(hw_timer_t *timer)<\/code>\uff1a\u7528\u4e8e\u7981\u7528\u5b9a\u65f6\u5668\uff0c\u505c\u6b62\u8ba1\u6570\uff1b<\/p>\n\n\n\n<p><code>timerAlarmRead(hw_timer_t *timer)<\/code>\uff1a\u83b7\u53d6\u5b9a\u65f6\u5668\u8ba1\u6570\u5668\u62a5\u8b66\u503c\uff1b<\/p>\n\n\n\n<p><code>timerStart(hw_timer_t *timer)<\/code>\uff1a\u8ba1\u6570\u5668\u5f00\u59cb\u8ba1\u6570\uff1b<\/p>\n\n\n\n<p><code>timerStop(hw_timer_t *timer)<\/code>\uff1a\u8ba1\u6570\u5668\u505c\u6b62\u8ba1\u6570\uff1b<\/p>\n\n\n\n<p><code>timerRestart(hw_timer_t *timer)<\/code>\uff1a\u8ba1\u6570\u5668\u91cd\u65b0\u5f00\u59cb\u8ba1\u6570\uff0c\u4ece 0 \u5f00\u59cb\uff1b<\/p>\n\n\n\n<p><code>timerStarted(hw_timer_t *timer)<\/code>\uff1a\u8ba1\u6570\u5668\u662f\u5426\u5f00\u59cb\u8ba1\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bfe\u7a0b\u76ee\u5f55 \u3010\u6982\u8ff0\u30110 \u4ec0\u4e48\u662f\u667a\u80fd\u7cfb\u7edf \u3010\u9636\u6bb5\u4e00\u30111 PlatformIO\u73af\u5883\u914d\u7f6e\u548cGPIO \u3010\u9636\u6bb5\u4e00\u30112 PW [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":296,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43,56],"tags":[],"class_list":["post-288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aimc_course","category-56"],"_links":{"self":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/comments?post=288"}],"version-history":[{"count":11,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/288\/revisions"}],"predecessor-version":[{"id":576,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/posts\/288\/revisions\/576"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/media\/296"}],"wp:attachment":[{"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/media?parent=288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/categories?post=288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aimc.skyate.com\/index.php\/wp-json\/wp\/v2\/tags?post=288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}