{"id":409,"date":"2024-06-29T16:46:31","date_gmt":"2024-06-29T08:46:31","guid":{"rendered":"https:\/\/aoofoo.com\/?p=409"},"modified":"2024-09-09T16:31:07","modified_gmt":"2024-09-09T08:31:07","slug":"2-11-%e5%af%b9%e5%b0%84%e5%bc%8f%e7%ba%a2%e5%a4%96%e4%bc%a0%e6%84%9f%e5%99%a8%e8%ae%a1%e6%ac%a1%e6%97%8b%e8%bd%ac%e7%bc%96%e7%a0%81%e5%99%a8%e8%ae%a1%e6%ac%a1","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/06\/29\/2-11-%e5%af%b9%e5%b0%84%e5%bc%8f%e7%ba%a2%e5%a4%96%e4%bc%a0%e6%84%9f%e5%99%a8%e8%ae%a1%e6%ac%a1%e6%97%8b%e8%bd%ac%e7%bc%96%e7%a0%81%e5%99%a8%e8%ae%a1%e6%ac%a1\/","title":{"rendered":"2.11 \u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668\u8ba1\u6b21&#038;\u65cb\u8f6c\u7f16\u7801\u5668\u8ba1\u6b21"},"content":{"rendered":"<h2>\u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-411\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-95.png\" alt=\"\" width=\"598\" height=\"216\" \/><\/p>\n<p>\u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668\u7684DO\u6570\u5b57\u8f93\u51fa\u7aef\uff0c\u968f\u610f\u9009\u62e9\u4e00\u4e2aGPIO\u53e3\u63a5\u4e0a\u5c31\u884c\uff0c\u56fe\u4e2d\u63a5\u5230\u4e86PB14\u7684\u7aef\u53e3\u3002<\/p>\n<h3>\u7a0b\u5e8f\u8981\u6c42\u4e0e\u8bbe\u8ba1<\/h3>\n<p>\u7a0b\u5e8f\u8981\u6c42\uff1a<\/p>\n<p>\u5f53\u6211\u4eec\u7684\u6321\u5149\u7247\u6216\u8005\u7f16\u7801\u76d8\u5728\u8fd9\u4e2a\u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668\u4e2d\u95f4\u7ecf\u8fc7\u65f6\uff0c\u8fd9\u4e2aDO\u5c31\u4f1a\u8f93\u51fa\u7535\u5e73\u53d8\u5316\u4fe1\u53f7\uff0c\u7136\u540e\u8fd9\u4e2a\u7535\u5e73\u8df3\u53d8\u4fe1\u53f7\u5c31\u4f1a\u89e6\u53d1STM32 PB14\u53f7\u53e3\u7684\u4e2d\u65ad\uff0c\u6211\u4eec\u5728\u4e2d\u65ad\u51fd\u6570\u91cc\uff0c\u6267\u884c\u53d8\u91cf++\u7684\u7a0b\u5e8f \u3002\u7136\u540e\u4e3b\u51fd\u6570\u5faa\u73af\u91cc\u8c03\u7528OLED\u663e\u793a\u8fd9\u4e2a\u53d8\u91cf\u3002<\/p>\n<p>\u6839\u636e\u7a0b\u5e8f\u8981\u6c42\uff0c\u6211\u4eec\u9700\u8981\u7528\u5230\u4e2d\u65ad\u7684\u76f8\u5173\u77e5\u8bc6\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-413\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-96.png\" alt=\"\" width=\"465\" height=\"260\" \/><\/p>\n<p>\u7b2c\u4e00\u6b65\uff0c\u914d\u7f6eRCC\uff0c\u628a\u6211\u4eec\u8fd9\u91cc\u6d89\u53ca\u7684\u5916\u8bbe\u7684\u65f6\u949f\u90fd\u6253\u5f00\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65\uff0c\u914d\u7f6eGPIO\uff0c\u9009\u62e9\u6211\u4eec\u7684\u7aef\u53e3\u4e3a\u8f93\u5165\u6a21\u5f0f\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65\uff0c\u914d\u7f6eAFIO\uff0c\u9009\u62e9\u6211\u4eec\u7528\u7684\u8fd9\u4e00\u8defGPIO\uff0c\u8fde\u63a5\u5230\u540e\u9762\u7684EXTI\u3002<\/p>\n<p>\u7b2c\u56db\u6b65\uff0c\u914d\u7f6eEXTI\uff0c\u9009\u62e9\u8fb9\u6cbf\u89e6\u53d1\u65b9\u5f0f\uff0c\u6bd4\u5982\u4e0a\u5347\u6cbf\u3001\u4e0b\u964d\u6cbf\u6216\u8005\u53cc\u8fb9\u6cbf\u3002\u8fd8\u6709\u9009\u62e9\u89e6\u53d1\u54cd\u5e94\u65b9\u5f0f\uff0c\u53ef\u4ee5\u9009\u62e9\u4e2d\u65ad\u54cd\u5e94\u548c\u4e8b\u4ef6\u54cd\u5e94\u3002<\/p>\n<p>\u7b2c\u4e94\u6b65\uff0c\u914d\u7f6eNVIC\uff0c\u7ed9\u6211\u4eec\u8fd9\u4e2a\u4e2d\u65ad\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u6700\u540e\uff0c\u901a\u8fc7NVIC\uff0c\u5916\u90e8\u4e2d\u65ad\u4fe1\u53f7\u5c31\u80fd\u8fdb\u5165CPU\u4e86\uff0c\u8fd9\u6837CPU\u624d\u80fd\u6536\u5230\u4e2d\u65ad\u4fe1\u53f7\uff0c\u624d\u80fd\u8df3\u8f6c\u5230\u4e2d\u65ad\u51fd\u6570\u91cc\u6267\u884c\u4e2d\u65ad\u7a0b\u5e8f\u3002\u8fd9\u4e94\u6b65\u5c31\u662f\u5916\u90e8\u4e2d\u65ad\u914d\u7f6e\u7684\u6d41\u7a0b\u3002<\/p>\n<p>\u8fd9\u91cc\u6d89\u53ca\u5916\u8bbe\u6bd4\u8f83\u591a\uff0c\u6709RCC\u3001GPIO\u3001AFIO\u3001EXTI\u3001NVIC\u3002<\/p>\n<h4>\u7b2c\u4e00\u6b65\uff0c\u914d\u7f6eRCC\uff0c\u628a\u6211\u4eec\u8fd9\u91cc\u6d89\u53ca\u7684\u5916\u8bbe\u7684\u65f6\u949f\u90fd\u6253\u5f00\uff1a<\/h4>\n<p>EXTI\u3001NVIC\u8fd9\u4e24\u4e2a\u5916\u8bbe\u7684\u65f6\u949f\u662f\u4e00\u76f4\u90fd\u6253\u5f00\u7684\uff0c\u4e0d\u9700\u8981\u6211\u4eec\u518d\u5f00\u542f\u65f6\u949f\u4e86\uff0cEXTI\u4f5c\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684\u5916\u8bbe\uff0c\u6309\u7406\u8bf4\u5e94\u8be5\u662f\u9700\u8981\u5f00\u542f\u65f6\u949f\u7684\uff0c\u4f46\u662f\u5bc4\u5b58\u5668\u91cc\u9762\u5374\u6ca1\u6709EXTI\u65f6\u949f\u7684\u63a7\u5236\u4f4d\uff0c\u8fd9\u4e2a\u539f\u56e0\u624b\u518c\u4e5f\u6ca1\u6709\u627e\u5230\uff0c\u7f51\u4e0a\u4e5f\u6ca1\u6709\u786e\u5207\u7684\u7b54\u6848\uff0c\u63a8\u6d4b\u53ef\u80fd\u662f\u548cEXTI\u5524\u9192\u6709\u5173\uff0c\u6216\u8005\u662f\u5176\u5b83\u7684\u4e00\u4e9b\u7535\u8def\u8bbe\u8ba1\u4e0a\u7684\u8003\u8651\uff0c\u90a3\u6211\u4eec\u6682\u65f6\u5c31\u4e0d\u7528\u7ba1\u4e86\uff0c\u77e5\u9053\u5b83\u4e0d\u7528\u5f00\u542f\u65f6\u949f\u5c31\u884c\u4e86\u3002\u53e6\u5916NVIC\u4e5f\u4e0d\u9700\u8981\u5f00\u542f\u65f6\u949f\uff0c\u662f\u56e0\u4e3aNVIC\u662f\u5185\u6838\u7684\u5916\u8bbe\uff0c\u5185\u6838\u5916\u8bbe\u90fd\u662f\u4e0d\u9700\u8981\u5f00\u542f\u65f6\u949f\u7684\uff0c\u4eba\u5bb6\u548cCPU\u4e00\u8d77\uff0c\u90fd\u662f\u4f4f\u5728\u201c\u7687\u5bab\u201d\u91cc\u7684\uff0c\u800cRCC\u7ba1\u7684\u90fd\u662f\u5185\u6838\u5916\u7684\u5916\u8bbe\uff0c\u6240\u4ee5RCC\u7ba1\u4e0d\u7740NVIC\u3002<\/p>\n<h4>\u7b2c\u4e8c\u6b65\uff0c\u914d\u7f6eGPIO\uff0c\u9009\u62e9\u6211\u4eec\u7684\u7aef\u53e3\u4e3a\u8f93\u5165\u6a21\u5f0f\uff1a<\/h4>\n<p>\u5bf9\u4e8e\u5916\u90e8\u4e2d\u65ad\u6765\u8bf4\uff0c\u8981\u9009\u62e9\u6d6e\u7a7a\u8f93\u5165\u3001\u4e0a\u62c9\u8f93\u5165\u3001\u6216\u8005\u4e0b\u62c9\u8f93\u5165\uff0c\u8fd9\u5176\u4e2d\u7684\u4e00\u4e2a\u6a21\u5f0f\uff0c\u5f53\u7136\u50cf\u8fd9\u79cd\u5176\u4ed6\u5916\u8bbe\u4f7f\u7528GPIO\u7684\u60c5\u51b5\uff0c\u5982\u679c\u4f60\u4e0d\u6e05\u695a\u8be5\u914d\u7f6e\u6210\u4ec0\u4e48\u6a21\u5f0f\uff0c\u53ef\u4ee5\u770bSTM32F10XXX\u53c2\u8003\u624b\u518c\uff0c\u5728GPIO\u8fd9\u4e00\u7ae0\uff0c\u627e\u4e00\u4e0b\u5916\u8bbe\u7684GPIO\u914d\u7f6e\u8868\uff0c\u91cc\u9762\u6709\u5199\u6bcf\u4e2a\u5916\u8bbe\u7684\u5404\u4e2a\u5f15\u811a\u90fd\u9700\u8981\u914d\u7f6e\u6210\u4ec0\u4e48\u6a21\u5f0f\uff0c\u5728\u8868\u4e2d\u53ef\u4ee5\u770b\u5230EXTI\u8f93\u5165\u7ebf\u7ed9\u7684\u63a8\u8350\u914d\u7f6e\u5c31\u662f\u6d6e\u7a7a\u3001\u4e0a\u62c9\u6216\u8005\u4e0b\u62c9\u3002<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u5916\u8bbe\u7684GPIO\u914d\u7f6e\u8868<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-414\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-97.png\" alt=\"\" width=\"833\" height=\"689\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-415\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-98.png\" alt=\"\" width=\"780\" height=\"1203\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-416\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-99.png\" alt=\"\" width=\"780\" height=\"1196\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-417\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-100.png\" alt=\"\" width=\"769\" height=\"187\" \/><\/p>\n<p><\/div><\/div><\/div>\n<h4>\u7b2c\u4e09\u6b65\uff0c\u914d\u7f6eAFIO\uff0c\u8fd9\u4e2aAFIO\u5916\u8bbe\uff0cST\u516c\u53f8\u5e76\u6ca1\u6709\u7ed9\u5b83\u5206\u914d\u4e13\u95e8\u7684\u5e93\u51fd\u6570\u6587\u4ef6\uff0c\u5b83\u7684\u5e93\u51fd\u6570\u6587\u4ef6\u662f\u548cGPIO\u5728\u4e00\u4e2a\u6587\u4ef6\u91cc\u7684\u3002<\/h4>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u5173\u4e8eAFIO\u7684\u76f8\u5173\u51fd\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>GPIO_AFIODeInit();\u8fd9\u4e2a\u51fd\u6570\u662f\u7528\u6765\u590d\u4f4dAFIO\u5916\u8bbe\u7684\uff0c\u8c03\u7528\u4e00\u4e0b\u8fd9\u4e2a\u51fd\u6570\uff0cAFIO\u5916\u8bbe\u7684\u914d\u7f6e\u5c31\u4f1a\u5168\u90e8\u6e05\u9664\u3002<\/p>\n<p>GPIO_PinRemapConfig();\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u7528\u6765\u8fdb\u884c\u5f15\u811a\u7684\u91cd\u6620\u5c04,\u7b2c\u4e00\u4e2a\u53c2\u6570\u53ef\u4ee5\u9009\u62e9\u4f60\u8981\u91cd\u6620\u5c04\u7684\u65b9\u5f0f\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u65b0\u7684\u72b6\u6001\u3002<\/p>\n<p>GPIO_EXTILineConfig();\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u914d\u7f6eAFIO\u7684\u6570\u636e\u9009\u62e9\u5668\uff0c\u6765\u9009\u62e9\u6211\u4eec\u60f3\u8981\u7684\u4e2d\u65ad\u5f15\u811a\u3002<\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u867d\u7136\u662fGPIO\u5f00\u5934\uff0c\u4f46\u5b9e\u9645\u4e0a\u91cc\u9762\u64cd\u4f5c\u7684\u662fAFIO\u7684\u5bc4\u5b58\u5668\uff0c\u6240\u4ee5\u8fd9\u4e2a\u51fd\u6570\u5b9e\u9645\u4e0a\u662fAFIO\u7684\u51fd\u6570\u3002<\/p>\n<p><\/div><\/div><\/div>\n<p>GPIO_EXTILineConfig(PortSourceGPIOx,GPIO_PinSourcex);<\/p>\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fGPIO_PortSource\uff0c\u9009\u62e9\u67d0\u4e2aGPIO\u5916\u8bbe\u4f5c\u4e3a\u5916\u90e8\u4e2d\u65ad\u6e90\uff0c\u8fd9\u4e2a\u53c2\u6570\u53ef\u4ee5\u662fGPIO\u2014\u2014PortSourceGPIOx\uff08x\u53ef\u4ee5\u662fA\u5230G\uff09\u3002\u6211\u4eec\u7528\u7684\u662fPB14\u53f7\u5f15\u811a\uff0c\u6240\u4ee5\u628ax\u6539\u6210B\u5c31\u884c\u4e86\u3002<\/p>\n<p>\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662fGPIO_PinSource\uff0c\u6307\u5b9a\u8981\u914d\u7f6e\u7684\u5916\u90e8\u4e2d\u65ad\u7ebf\uff0c\u8fd9\u4e2a\u53c2\u6570\u53ef\u4ee5\u662fGPIO_PinSourcex(x\u53ef\u4ee5\u662f0~15)\u3002<\/p>\n<p>GPIO_EXTILineConfig(PortSourceGPIOB,GPIO_PinSource14);\u4ee3\u8868\u8fde\u63a5PB14\u53f7\u53e3\u7684\u7b2c14\u4e2a\u4e2d\u65ad\u7ebf\u8def\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0cAFIO\u5916\u90e8\u4e2d\u65ad\u7684\u5f15\u811a\u9009\u62e9\u914d\u7f6e\u5c31\u5b8c\u6210\u4e86\uff0c\u5c31\u8fd9\u4e00\u4e2a\u51fd\u6570\u5c31\u884c\u4e86\uff0c\u5f53\u6267\u884c\u5b8c\u8fd9\u4e2a\u51fd\u6570\u540e\uff0cAFIO\u7684\u7b2c14\u4e2a\u6570\u636e\u9009\u62e9\u5668\u5c31\u62e8\u597d\u4e86\uff0c\u5176\u4e2d\u8f93\u5165\u7aef\u88ab\u62e8\u5230\u4e86GPIOB\u5916\u8bbe\u4e0a\uff0c\u5bf9\u5e94\u7684\u5c31\u662fPB14\u53f7\u5f15\u811a\uff0c\u8f93\u51fa\u7aef\u56fa\u5b9a\u8fde\u63a5\u7684\u662fEXTI\u7684\u7b2c14\u4e2a\u4e2d\u65ad\u7ebf\u8def\uff0c\u8fd9\u6837\uff0cPB14\u53f7\u5f15\u811a\u7684\u7535\u5e73\u4fe1\u53f7\u5c31\u53ef\u4ee5\u987a\u5229\u901a\u8fc7AFIO\uff0c\u8fdb\u5165\u5230\u540e\u7ea7EXTI\u7535\u8def\u4e86\u3002<\/p>\n<h4>\u7b2c\u56db\u6b65\uff0c\u914d\u7f6eEXTI\u3002<\/h4>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>EXTI\u5168\u90e8\u5e93\u51fd\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void EXTI_DeInit(void);\u8c03\u7528\u5b83\u5c31\u53ef\u4ee5\u628aEXTI\u7684\u914d\u7f6e\u5168\u90e8\u6e05\u9664\uff0c\u6062\u590d\u6210\u4e0a\u7535\u9ed8\u8ba4\u7684\u72b6\u6001\u3002<\/p>\n<p>void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u7ed3\u6784\u4f53\u91cc\u7684\u53c2\u6570\u914d\u7f6eEXTI\u5916\u8bbe\uff0c\u6211\u4eec\u521d\u59cb\u5316EXTI\u4e3b\u8981\u7528\u7684\u5c31\u662f\u8fd9\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528\u65b9\u6cd5\u548cGPIO_Init\u4e00\u6837\u3002<\/p>\n<p>void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u53ef\u4ee5\u628a\u53c2\u6570\u4f20\u9012\u7684\u7ed3\u6784\u4f53\u53d8\u91cf\u8d4b\u4e00\u4e2a\u9ed8\u8ba4\u503c\u3002<br \/>\nvoid EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);\u8fd9\u4e2a\u51fd\u6570\u662f\u7528\u6765\u8f6f\u4ef6\u89e6\u53d1\u5916\u90e8\u4e2d\u65ad\u7684\uff0c\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\uff0c\u53c2\u6570\u7ed9\u4e00\u4e2a\u6307\u5b9a\u7684\u4e2d\u65ad\u7ebf\uff0c\u5c31\u80fd\u8f6f\u4ef6\u89e6\u53d1\u4e00\u6b21\u8fd9\u4e2a\u5916\u90e8\u4e2d\u65ad\u3002<\/p>\n<p>\u56e0\u4e3a\u5728\u5916\u8bbe\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u4ea7\u751f\u4e00\u4e9b\u72b6\u6001\u6807\u5fd7\u4f4d\uff0c\u6bd4\u5982\u5916\u90e8\u4e2d\u65ad\u6765\u4e86\uff0c\u4f1a\u6709\u4e00\u4e2a\u6302\u8d77\u5bc4\u5b58\u5668\u7f6e\u4e86\u4e00\u4e2a\u6807\u5fd7\u4f4d\uff0c\u5bf9\u4e8e\u5176\u4ed6\u5916\u8bbe\uff0c\u6bd4\u5982\u4e32\u53e3\u6536\u5230\u6570\u636e\uff0c\u4f1a\u7f6e\u6807\u5fd7\u4f4d\uff0c\u5b9a\u65f6\u5668\u65f6\u95f4\u5230\u4e86\uff0c\u4e5f\u4f1a\u7f6e\u6807\u5fd7\u4f4d\uff0c\u8fd9\u4e9b\u6807\u5fd7\u4f4d\u90fd\u662f\u653e\u5728\u72b6\u6001\u5bc4\u5b58\u5668\u7684\uff0c\u5f53\u7a0b\u5e8f\u60f3\u8981\u770b\u8fd9\u4e9b\u6807\u5fd7\u4e3a\u65f6\uff0c\u5c31\u53ef\u4ee5\u770b\u8fd9\u4e9b\u51fd\u6570\u3002\uff08\u5728STM32\u5fae\u63a7\u5236\u5668\u4e2d\uff0c\u72b6\u6001\u5bc4\u5b58\u5668\uff08Status Register\uff09\u5e76\u4e0d\u662f\u6307\u5355\u4e00\u7684\u5bc4\u5b58\u5668\uff0c\u800c\u662f\u4e00\u7c7b\u5bc4\u5b58\u5668\u7684\u7edf\u79f0\u3002\u6bcf\u4e2a\u5916\u8bbe\uff08\u5982\u4e32\u53e3\u3001\u5b9a\u65f6\u5668\u3001\u5916\u90e8\u4e2d\u65ad\u7b49\uff09\u90fd\u6709\u81ea\u5df1\u7684\u72b6\u6001\u5bc4\u5b58\u5668\uff0c\u7528\u4e8e\u6307\u793a\u8be5\u5916\u8bbe\u7684\u5404\u79cd\u72b6\u6001\u548c\u4e8b\u4ef6\uff09<\/p>\n<p>\u4ee5\u4e0b4\u4e2a\u51fd\u6570\u662fEXTI\u5173\u4e8e\u72b6\u6001\u5bc4\u5b58\u5668\u7684\u51fd\u6570\uff1a<\/p>\n<p>FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);\u53ef\u4ee5\u83b7\u53d6\u6307\u5b9a\u7684\u6807\u5fd7\u4f4d\u662f\u5426\u88ab\u7f6e1\u4e86\u3002<\/p>\n<p>void EXTI_ClearFlag(uint32_t EXTI_Line);\u53ef\u4ee5\u5bf9\u7f6e1\u7684\u6807\u5fd7\u4f4d\u8fdb\u884c\u6e05\u9664\u3002<\/p>\n<p>ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);\u83b7\u53d6\u4e2d\u65ad\u6807\u5fd7\u4f4d\u662f\u5426\u88ab\u7f6e1\u4e86\u3002<\/p>\n<p>void EXTI_ClearITPendingBit(uint32_t EXTI_Line);\u6e05\u9664\u4e2d\u65ad\u6302\u8d77\u6807\u5fd7\u4f4d\u3002<\/p>\n<p>\u4e0a\u9762\u4fe9\u4e2a\u548c\u4e0b\u9762\u4e24\u4e2a\u90fd\u662f\u7c7b\u4f3c\u7684\u529f\u80fd\uff0c\u90fd\u662f\u8bfb\u5199\u72b6\u6001\u5bc4\u5b58\u5668\uff0c\u53ea\u4e0d\u8fc7\u4e0b\u9762\u8fd9\u4e24\u4e2a\u4eba\u51fd\u6570\u53ea\u80fd\u8bfb\u5199\u4e0e\u4e2d\u65ad\u6709\u5173\u7684\u6807\u5fd7\u4f4d\uff0c\u5e76\u4e14\u5bf9\u4e2d\u65ad\u662f\u5426\u5141\u8bb8\u505a\u51fa\u4e86\u5224\u65ad\u3002<\/p>\n<p><\/div><\/div><\/div>\n<p>&nbsp;<\/p>\n<pre class=\"corepress-code-pre\"><code>\tEXTI_InitTypeDef EXTI_InitStructure;\r\n\/\/\u521b\u5efa\u51fa\u4e00\u4e2a\u7ed3\u6784\u4f53\u3002\r\n\tEXTI_InitStructure.EXTI_Line=EXTI_Line14;\r\n \/\/\u6307\u5b9a\u8981\u4f7f\u80fd\u6216\u7981\u7528\u7684EXTI\u7ebf\u8def\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u662f @ref EXTI_Lines \u7684\u4efb\u610f\u7ec4\u5408\u3002\r\n\tEXTI_InitStructure.EXTI_LineCmd=ENABLE;\r\n\/\/\u6307\u5b9a\u6240\u9009EXTI\u7ebf\u8def\u7684\u65b0\u72b6\u6001\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u8bbe\u7f6e\u4e3a ENABLE \u6216 DISABLE \u3002\r\n\tEXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;\r\n\/\/ \u6307\u5b9aEXTI\u7ebf\u8def\u7684\u6a21\u5f0f\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u662f @ref EXTITrigger_TypeDef \u7684\u4e00\u4e2a\u503c \u3002\r\n\tEXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Rising;\r\n\/\/\u6307\u5b9aEXTI\u7ebf\u8def\u7684\u89e6\u53d1\u4fe1\u53f7\u6709\u6548\u8fb9\u6cbf\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u662f @ref EXTITrigger_TypeDef \u7684\u4e00\u4e2a\u503c \u3002\r\n\tEXTI_Init(&amp;EXTI_InitStructure);\r\n\/\/\u6839\u636e EXTI_InitStruct \u4e2d\u6307\u5b9a\u7684\u53c2\u6570\u521d\u59cb\u5316 EXTI \u5916\u8bbe\u3002<\/code><\/pre>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0cPB14\u7684\u7535\u5e73\u4fe1\u53f7\u5c31\u80fd\u901a\u8fc7EXTI\u901a\u5411\u4e0b\u4e00\u7ea7\u7684NVIC\u4e86\u3002<\/p>\n<h4>\u7b2c\u4e94\u6b65\uff0c\u914d\u7f6eNVIC\u3002<\/h4>\n<p>\u56e0\u4e3aNVIC\u662f\u5185\u6838\u5916\u8bbe\uff0c\u6240\u4ee5\u5b83\u7684\u5e93\u51fd\u6570\u662f\u88abST\u53d1\u914d\u5230\u4e86\u6742\u9879\u8fd9\u91cc\u6765\uff0c\u5728misc.h\u6587\u4ef6\u7684\u6700\u540e\u6709\u5173\u4e8eNVIC\u7684\u56db\u4e2a\u51fd\u6570\u3002<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>NVIC\u76f8\u5173\u51fd\u6570<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);<\/p>\n<p>\/\/\u8fd9\u4e2a\u51fd\u6570\u662f\u7528\u6765\u4e2d\u65ad\u5206\u7ec4\u7684\uff0c\u53c2\u6570\u662f\u4e2d\u65ad\u5206\u7ec4\u7684\u65b9\u5f0f\u3002<\/p>\n<p>void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);<\/p>\n<p>\/\/\u6839\u636e\u7ed3\u6784\u4f53\u91cc\u9762\u6307\u5b9a\u7684\u53c2\u6570\u521d\u59cb\u5316NVIC\u3002<br \/>\nvoid NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset);<\/p>\n<p>\/\/\u8bbe\u7f6e\u4e2d\u65ad\u5411\u91cf\u8868<br \/>\nvoid NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);<\/p>\n<p>\/\/\u7cfb\u7edf\u4f4e\u529f\u8017\u914d\u7f6e<\/p>\n<p>\u5728\u914d\u7f6e\u4e2d\u65ad\u4e4b\u524d\uff0c\u5148\u6307\u5b9a\u4e00\u4e0b\u4e2d\u65ad\u7684\u5206\u7ec4\uff0c\u7136\u540e\u4f7f\u7528NVIC _Init\u521d\u59cb\u5316\u4e00\u4e0bNVIC\u5c31\u884c\u4e86\u3002<\/p>\n<p><\/div><\/div><\/div>\n<pre class=\"corepress-code-pre\"><code>\tNVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); \/\/\u8bbe\u7f6e\u672c\u7a0b\u5e8f\u7684\u5206\u7ec4\u65b9\u5f0f\r\n\t\r\n\tNVIC_InitTypeDef NVIC_InitStructure;\r\n\tNVIC_InitStructure.NVIC_IRQChannel=EXTI15_10_IRQn;\r\n\tNVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;\r\n\tNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;\r\n\tNVIC_InitStructure.NVIC_IRQChannelSubPriority=1;\r\n\tNVIC_Init(&amp;NVIC_InitStructure);<\/code><\/pre>\n<h3>\u00a0\u4e2d\u65ad\u51fd\u6570<\/h3>\n<p>\u5728STM32\u4e2d\uff0c\u4e2d\u65ad\u51fd\u6570\u7684\u540d\u5b57\u90fd\u662f\u56fa\u5b9a\u7684\uff0c\u6bcf\u4e2a\u4e2d\u65ad\u901a\u9053\u90fd\u5bf9\u5e94\u4e00\u4e2a\u4e2d\u65ad\u51fd\u6570\uff0c\u4e2d\u65ad\u51fd\u6570\u7684\u540d\u5b57\u6211\u4eec\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u542f\u52a8\u6587\u4ef6\uff0c\u6253\u5f00\u542f\u52a8\u6587\u4ef6\u540e\uff08startup_stm32f10x_md.s\uff09\uff0c\u627e\u5230\u5b9a\u4e49\u7684\u4e2d\u65ad\u5411\u91cf\u8868\uff0c\u4ee5IRQHandler\u7ed3\u5c3e\u7684\u5b57\u7b26\u4e32\u5c31\u662f\u4e2d\u65ad\u51fd\u6570\u540d\u79f0\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u627e\u5230EXTI15_10_IRQHandler\u8fd9\u4e00\u9879\uff0c\u8fd9\u5c31\u662fEXTI15\u5230EXTI10\u7684\u4e2d\u65ad\u51fd\u6570\uff08EXTI10~15\u516c\u7528\u4e00\u4e2a\u4e2d\u65ad\u51fd\u6570\uff09\u3002\u6211\u4eec\u786c\u4ef6\u4e0a\u4f7f\u7528\u7684\u662fPB14\u6240\u4ee5\u8fde\u63a5\u7684\u662fEXTI14\u3002<\/p>\n<p>\u5728\u4e2d\u65ad\u51fd\u6570\u4e2d\uff0c\u4e00\u822c\u90fd\u662f\u5148\u8fdb\u884c\u4e00\u4e2a\u4e2d\u65ad\u6807\u5fd7\u4f4d\u7684\u5224\u65ad\uff0c\u786e\u4fdd\u662f\u6211\u4eec\u60f3\u8981\u7684\u4e2d\u65ad\u6e90\u89e6\u53d1\u7684\u8fd9\u4e2a\u51fd\u6570\u3002\u56e0\u4e3a\u8fd9\u4e2a\u51fd\u6570EXTI10\u5230EXTI15\u90fd\u80fd\u8fdb\u6765\uff0c\u6240\u4ee5\u8981\u5224\u65ad\u4e00\u4e0b\u662f\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684EXTI14\u8fdb\u6765\u7684\u3002<\/p>\n<p>\u5f53\u6267\u884c\u4e2d\u65ad\u7a0b\u5e8f\u540e\uff0c\u8981\u5728\u4e2d\u65ad\u51fd\u6570\u4e2d\u8c03\u7528\u4e00\u4e0b\u6e05\u9664\u4e2d\u65ad\u6807\u5fd7\u4f4d\u7684\u51fd\u6570\uff0c\u56e0\u4e3a\u53ea\u8981\u6709\u4e2d\u65ad\u6807\u5fd7\u4f4d\u7f6e1\u4e86\uff0c\u7a0b\u5e8f\u5c31\u4f1a\u8df3\u8f6c\u5230\u4e2d\u65ad\u51fd\u6570\uff0c\u5982\u679c\u4f60\u4e0d\u6e05\u9664\u4e2d\u65ad\u6807\u5fd7\u4f4d\uff0c\u90a3\u5b83\u5c31\u4f1a\u4e00\u76f4\u7533\u8bf7\u4e2d\u65ad\uff0c\u8fd9\u6837\u7a0b\u5e8f\u5c31\u4f1a\u4e0d\u65ad\u54cd\u5e94\u4e2d\u65ad\uff0c\u6267\u884c\u4e2d\u65ad\u51fd\u6570\uff0c\u90a3\u7a0b\u5e8f\u5c31\u5361\u6b7b\u5728\u4e2d\u65ad\u51fd\u6570\u4e2d\u4e86\uff0c\u6240\u4ee5\u6211\u4eec\u6bcf\u6b21\u4e2d\u65ad\u7ed3\u675f\u540e\uff0c\u90fd\u5e94\u8be5\u6e05\u9664\u4e00\u4e0b\u4e2d\u65ad\u6807\u5fd7\u4f4d\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>void EXTI15_10_IRQHandler(void){\r\n\tif(EXTI_GetITStatus(EXTI_Line14) ==SET){\r\n\t\t\/* \u5199\u4e2d\u65ad\u7a0b\u5e8f *\/\r\n\t\/\/\u6e05\u9664\u4e2d\u65ad\u6807\u5fd7\u4f4d\r\n\t\tEXTI_ClearITPendingBit(EXTI_Line14);\r\n\t}\r\n\t\r\n}<\/code><\/pre>\n<p>\u8fd9\u6837\u4e2d\u65ad\u51fd\u6570\u7684\u903b\u8f91\u5c31\u6ca1\u95ee\u9898\u4e86\uff0c\u6211\u4eec\u60f3\u8981\u4e2d\u65ad\u51fd\u6570\u5b9e\u73b0\u5404\u79cd\u529f\u80fd\uff0c\u4fee\u6539\u4e2d\u65ad\u51fd\u6570\u5bf9\u5e94\u7684\u4f4d\u7f6e\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u60f3\u8981\u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668\u5b9e\u73b0\u8ba1\u6570\uff0c\u5c31\u9700\u8981\u4e00\u4e2a\u53d8\u91cf\uff0c\u53d8\u91cf\u5728\u4e2d\u65ad\u51fd\u6570\u4e2d\u81ea\u589e\uff0c\u56e0\u4e3a\u4e2d\u65ad\u51fd\u6570\u5e76\u65e0\u6cd5\u8fd4\u56de\u8fd9\u4e2a\u53d8\u91cf\uff0c\u6240\u4ee5\u9700\u8981\u989d\u5916\u5199\u4e00\u4e2a\u8fd4\u56de\u53d8\u91cf\u7684\u51fd\u6570\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>uint16_t CountSensor_Count;\r\nuint16_t CountSensor_Get()\r\n{\r\n\treturn CountSensor_Count;\r\n}\r\n\r\nvoid EXTI15_10_IRQHandler(void)\r\n\t{\r\n\tif(EXTI_GetITStatus(EXTI_Line14) ==SET){\r\n\t\t\/* \u5199\u4e2d\u65ad\u7a0b\u5e8f *\/\r\n\t\tCountSensor_Count++;\r\n\t\/\/\u6e05\u9664\u4e2d\u65ad\u6807\u5fd7\u4f4d\r\n\t\tEXTI_ClearITPendingBit(EXTI_Line14);\r\n\t}\r\n\t\r\n}<\/code><\/pre>\n<p>\u8fd9\u6837\u4e3b\u51fd\u6570\u901a\u8fc7\u8c03\u7528CountSensor_Get()\uff0c\u5c31\u53ef\u4ee5\u83b7\u53d6\u53d8\u91cf\u7684\u6570\u503c\u3002<\/p>\n<h2>\u65cb\u8f6c\u7f16\u7801\u5668\u8ba1\u6b21<\/h2>\n<h3>\u7a0b\u5e8f\u8981\u6c42\u4e0e\u8bbe\u8ba1<\/h3>\n<p>\u8981\u6c42\u65cb\u8f6c\u7f16\u7801\u5668\u4e0a\u7684\u6309\u94ae\uff0cOLED\u663e\u793a\u5668\u4f1a\u51fa\u73b0\u589e\u52a0\u51cf\u5c11\u7684\u6570\u5b57\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-432\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-101.png\" alt=\"\" width=\"2308\" height=\"644\" \/><\/p>\n<p>\u5bf9\u4e8e\u7f16\u7801\u5668\u800c\u8a00\uff0c\u6b63\u5411\u65cb\u8f6c\u65f6\uff0cA\u3001B\u76f8\u8f93\u51fa\u7684\u662f\u8fd9\u6837\u7684\u6ce2\u5f62(\u4e0aA\u4e0bB)\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-435\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-102.png\" alt=\"\" width=\"247\" height=\"133\" \/><\/p>\n<p>\u53cd\u5411\u65cb\u8f6c\u65f6\uff0c\u8f93\u51fa\u7684\u662f\u8fd9\u6837\u7684\u6ce2\u5f62(\u4e0aA\u4e0bB)\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-436\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/06\/1-103.png\" alt=\"\" width=\"236\" height=\"129\" \/><\/p>\n<p>\u5982\u679c\u628a\u5982\u679c\u628a\u4e00\u76f8\u7684\u4e0b\u964d\u6cbf\u505a\u89e6\u53d1\u4e2d\u65ad\uff0c\u5728\u4e2d\u65ad\u7684\u65f6\u523b\u8bfb\u53d6\u53e6\u4e00\u76f8\u5f97\u7535\u5e73\uff0c\u90a3\u4e48\u6b63\u8f6c\u7684\u53e6\u4e00\u76f8\u5c31\u662f\u9ad8\u7535\u5e73\uff0c\u53cd\u8f6c\u7684\u53e6\u4e00\u76f8\u5c31\u662f\u4f4e\u7535\u5e73\uff0c\u8fd9\u6837\u5c31\u80fd\u533a\u5206\u65cb\u8f6c\u7684\u65b9\u5411\u4e86\u3002<br \/>\n\u53ea\u4e0d\u8fc7\u8fd9\u6837\u5728\u64cd\u4f5c\u4e0a\u6709\u4e00\u4e9b\u5c0f\u7455\u75b5\uff0c\u6bd4\u5982\u4f60\u6b63\u8f6c\u7684\u65f6\u5019\uff0c\u7531\u4e8eA\u76f8\u5148\u51fa\u73b0\u4e0b\u964d\u6cbf\uff0c\u6240\u4ee5\u4f60\u521a\u5f00\u59cb\u52a8\uff0c\u5c31\u8fdb\u4e2d\u65ad\u4e86\uff0c\u800c\u53cd\u8f6c\u65f6\u662fA\u76f8\u540e\u51fa\u73b0\u4e0b\u964d\u6cbf\uff0c\u5c31\u662f\u4f60\u8f6c\u5230\u4f4d\u4e86\u624d\u4f1a\u8fdb\u5165\u4e2d\u65ad\u3002\u8fd9\u6837\u5b9e\u9645\u4e0a\u4e5f\u6ca1\u95ee\u9898\uff0c\u4f46\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\u6b63\u8f6c\u53cd\u8f6c\u6548\u679c\u4e0d\u540c\u4f1a\u6709\u4e00\u4e9b\u4ee4\u4eba\u4e0d\u9002\u3002<\/p>\n<p>\u6240\u4ee5\u6211\u51c6\u5907\u7684\u5c31\u662f\uff0cA\u3001B\u76f8\u90fd\u89e6\u53d1\u4e2d\u65ad\uff0c\u53ea\u6709\u5728B\u76f8\u4e0b\u964d\u6cbf\u548cA\u76f8\u4f4e\u7535\u5e73\u65f6\uff0c\u624d\u5224\u65ad\u4e3a\u6b63\u8f6c\uff1b\u5728A\u76f8\u4e0b\u964d\u6cbf\u548cB\u76f8\u4f4e\u7535\u5e73\u65f6\uff0c\u624d\u5224\u65ad\u4e3a\u53cd\u8f6c\uff0c\u8fd9\u6837\u5c31\u80fd\u4fdd\u8bc1\u6b63\u8f6c\u53cd\u8f6c\u90fd\u8f6c\u5230\u4f4d\u4e86\uff0c\u624d\u6267\u884c\u6570\u5b57\u52a0\u51cf\u64cd\u4f5c\u3002\u8fd9\u6837\u5c31\u4f1a\u6709\u4e24\u4e2a\u4e2d\u65ad\u521d\u59cb\u5316\u4ee3\u7801\u3002<\/p>\n<h3>\u6613\u9519\u70b9<\/h3>\n<p>\u5728\u8fd9\u4e2a\u7a0b\u5e8f\u73b0\u8c61\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e24\u4e2a\u4e2d\u65ad\u51fd\u6570\uff0c\u5728\u914d\u7f6eAFIO\u65f6\uff0c\u53ef\u80fd\u4f1a\u76f4\u63a5\u8fd9\u6837\u5199\uff1a<\/p>\n<p>GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource1 | GPIO_PinSource0);<\/p>\n<p>\u8fd9\u6837\u662f\u9519\u8bef\u7684\uff0cGPIO_EXTILineConfig \u9700\u8981\u5355\u72ec\u914d\u7f6e\u6bcf\u4e2a\u5f15\u811a\uff0c\u6b63\u786e\u7684\u5e94\u8be5\u662f\u8fd9\u6837\u5199\uff1a<\/p>\n<p>GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource1);<\/p>\n<p>GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource0);<\/p>\n<p>AFIO\u8fdb\u884c\u5355\u72ec\u914d\u7f6e\u3002<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>\u65cb\u8f6c\u7f16\u7801\u5668\u5168\u90e8\u4ee3\u7801<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>&nbsp;<\/p>\n<pre class=\"corepress-code-pre\"><code>\/\/Ecoder.c\u4e2d\u4ee3\u7801\r\n#include \"stm32f10x.h\"                  \/\/ Device header\r\nint16_t Encoder_Count = 0;\r\nvoid Encoder_Init()\r\n{\r\n\t\/\/\u5f00\u542f\u5916\u8bbe\u65f6\u949f\r\n\tRCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);\r\n\tRCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);\r\n\t\/\/\u914d\u7f6eGPIO\u53e3\r\n\tGPIO_InitTypeDef GPIO_InitStrcture;\r\n\tGPIO_InitStrcture.GPIO_Mode=GPIO_Mode_IPU;\r\n\tGPIO_InitStrcture.GPIO_Pin=GPIO_Pin_0 | GPIO_Pin_1;\r\n\tGPIO_Init(GPIOB,&amp;GPIO_InitStrcture);\r\n\t\/\/\u914d\u7f6eAFIO\r\n\tGPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource0);\r\n\tGPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource1);\r\n\t\/\/\u914d\u7f6eEXTI\r\n\tEXTI_InitTypeDef EXTI_InitStructure;\r\n\tEXTI_InitStructure.EXTI_Line=EXTI_Line0 | EXTI_Line1;\r\n\tEXTI_InitStructure.EXTI_LineCmd=ENABLE;\r\n\tEXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;\r\n\tEXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling;\r\n\tEXTI_Init(&amp;EXTI_InitStructure);\r\n\t\/\/\u914d\u7f6eNVIC\r\n\tNVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); \/\/\u8bbe\u7f6e\u672c\u7a0b\u5e8f\u7684\u5206\u7ec4\u65b9\u5f0f\r\n\t\r\n\tNVIC_InitTypeDef NVIC_InitStructure;\r\n\tNVIC_InitStructure.NVIC_IRQChannel=EXTI0_IRQn;\r\n\tNVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;\r\n\tNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;\r\n\tNVIC_InitStructure.NVIC_IRQChannelSubPriority=1;\r\n\tNVIC_Init(&amp;NVIC_InitStructure);\r\n\t\r\n\tNVIC_InitStructure.NVIC_IRQChannel=EXTI1_IRQn;\r\n\tNVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;\r\n\tNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1;\r\n\tNVIC_InitStructure.NVIC_IRQChannelSubPriority=2;\r\n\tNVIC_Init(&amp;NVIC_InitStructure);\r\n    \/\/\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801A\u76f8\u548cB\u76f8\u90fd\u662f\u4e0b\u964d\u6cbf\u89e6\u53d1\u5404\u81ea\u7684\u4e2d\u65ad\u51fd\u6570\u3002\r\n}\r\n\r\n\r\nvoid EXTI0_IRQHandler(void){\r\n\tif(EXTI_GetITStatus(EXTI_Line0) == SET){\r\n\t\tif(GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_1) == 0){\r\n\t\t\tEncoder_Count--;\r\n\t\t}\r\n\t\tEXTI_ClearITPendingBit(EXTI_Line0);\r\n\t}\r\n}\r\n\r\nvoid EXTI1_IRQHandler(void){\r\n\tif(EXTI_GetITStatus(EXTI_Line1) == SET){\r\n\t\tif(GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_0) == 0){\r\n\t\t\tEncoder_Count++;\r\n\t\t}\r\n\t\tEXTI_ClearITPendingBit(EXTI_Line1);\r\n\t}\r\n}\r\n\r\nint16_t Encoder_Get(){\r\n\tint16_t count = Encoder_Count;\r\n\tEncoder_Count = 0;\r\n\treturn count;\r\n}\r\n\r\n\/\/\u4e3b\u51fd\u6570\u4e2d\u4ee3\u7801\r\n\r\n#include \"stm32f10x.h\"\r\n#include \"OLED.h\"\r\n#include \"Encoder.h\"\r\nint main(void){\r\n\tOLED_Init();\r\n\tEncoder_Init();\r\n\tint16_t num = 0;\r\n\tOLED_ShowString(1,6,\"AOOFOO\");\/\/\u5b57\u7b26\u4e32\r\n\tOLED_ShowString(2,1,\"COUNT:\");\/\/\u5b57\u7b26\u4e32\r\n\twhile(1){\r\n\t\tnum = num +  Encoder_Get();\r\n\t  \tOLED_ShowSignedNum(2,8,num,5); \/\/\u5341\u8fdb\u5236\u6709\u7b26\u53f7\u6570\r\n\t}\r\n}\r\n\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><\/div><\/div><\/div>\n<h2>\u4e2d\u65ad\u4f7f\u7528\u5efa\u8bae<\/h2>\n<p>\u6700\u540e\u63d0\u51e0\u4e2a\u4e2d\u65ad\u7f16\u7a0b\u7684\u5efa\u8bae\uff1a<\/p>\n<p>\u4e00\u662f\u5728\u4e2d\u65ad\u51fd\u6570\u4e2d\uff0c\u6700\u597d\u4e0d\u8981\u6267\u884c\u8017\u65f6\u8fc7\u957f\u7684\u4ee3\u7801\uff0c\u4e2d\u65ad\u51fd\u6570\u8981\u7b80\u77ed\u5feb\u901f\uff0c\u522b\u521a\u8fdb\u4e2d\u65ad\u5c31\u6267\u884c\u4e00\u4e2aDelay\u591a\u5c11\u6beb\u79d2\u8fd9\u6837\u7684\u4ee3\u7801\uff0c\u56e0\u4e3a\u4e2d\u65ad\u65f6\u5904\u7406\u7a81\u53d1\u4e8b\u60c5\uff0c\u5982\u679c\u4f60\u4e3a\u4e86\u4e00\u4e2a\u7a81\u53d1\u7684\u4e8b\u60c5\u5f85\u7740\u4e2d\u65ad\u91cc\u4e0d\u51fa\u6765\u4e86\uff0c\u90a3\u4e3b\u7a0b\u5e8f\u5c31\u4f1a\u6536\u5230\u4e25\u91cd\u7684\u963b\u585e\u3002<\/p>\n<p>\u4e8c\u662f\u6700\u597d\u4e0d\u8981\u5728\u4e2d\u65ad\u51fd\u6570\u548c\u4e3b\u51fd\u6570\u8c03\u7528\u76f8\u540c\u7684\u51fd\u6570\u6216\u64cd\u4f5c\u540c\u4e00\u4e2a\u786c\u4ef6\uff0c\u5c24\u5176\u662f\u786c\u4ef6\u76f8\u5173\u7684\u51fd\u6570\uff0c\u6bd4\u5982OLED\u663e\u793a\u51fd\u6570\u3002\u5982\u679c\u4f60\u65e2\u5728\u4e3b\u7a0b\u5e8f\u91cc\u8c03\u7528OLED\uff0c\u53c8\u5728\u4e2d\u65ad\u91cc\u8c03\u7528OLED\uff0cOLED\u5c31\u4f1a\u663e\u793a\u9519\u8bef\u3002\u4e3a\u4ec0\u4e48\u5462\uff1f\u56e0\u4e3a\u4f60\u60f3\uff0c\u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0cOLED\u521a\u663e\u793a\u4e00\u534a\uff0c\u556a\uff0c\u8fdb\u4e2d\u65ad\u4e86\uff0c\u7ed3\u679c\u4e2d\u65ad\u91cc\u8fd8\u662fOLED\u663e\u793a\u51fd\u6570\uff0c\u90a3OLED\u5c31\u632a\u5230\u5176\u4ed6\u5730\u65b9\u663e\u793a\u4e86\uff0c\u8fd9\u65f6\u8fd8\u6ca1\u95ee\u9898\uff0c\u4f46\u5f53\u4e2d\u65ad\u7ed3\u675f\u4e4b\u540e\uff0c\u9700\u8981\u7ee7\u7eed\u539f\u6765\u7684\u663e\u793a\uff0c\u8fd9\u65f6\u5c31\u51fa\u95ee\u9898\u4e86\uff0c\u56e0\u4e3a\u786c\u4ef6\u7684\u663e\u793a\u4f4d\u7f6e\u88ab\u632a\u5230\u5176\u4ed6\u5730\u65b9\u4e86\uff0c\u6240\u4ee5\u518d\u56de\u6765\u7684\u65f6\u5019\uff0c\u7ee7\u7eed\u663e\u793a\u7684\u5185\u5bb9\u5c31\u4f1a\u8ddf\u7740\u8dd1\u5176\u4ed6\u5730\u65b9\u53bb\u3002\u8fd9\u5c31\u4f1a\u9020\u6210\u95ee\u9898\uff0c\u867d\u7136\u5728\u4e2d\u65ad\u8fdb\u5165\u548c\u9000\u51fa\u7684\u65f6\u5019\uff0c\u4f1a\u6709\u4fdd\u62a4\u73b0\u573a\u548c\u6062\u590d\u73b0\u573a\uff0c\u4f46\u8fd9\u53ea\u80fd\u4fdd\u8bc1CPU\u7a0b\u5e8f\u80fd\u6b63\u5e38\u8fd4\u56de\u4e0d\u51fa\u95ee\u9898\uff0c\u5bf9\u4e8e\u5916\u90e8\u786c\u4ef6\u7684\u8bdd\uff0c\u5e76\u6ca1\u6709\u5728\u8fdb\u5165\u4e2d\u65ad\u65f6\uff0c\u8fdb\u884c\u73b0\u573a\u4fdd\u62a4\uff0c\u6240\u4ee5\u4e2d\u65ad\u8fd4\u56de\u540e\uff0c\u5c31\u51fa\u95ee\u9898\u4e86\uff0c\u90a3\u4e3a\u4e86\u907f\u514d\u8fd9\u6837\u7684\u95ee\u9898\uff0c\u5c31\u6700\u597d\u4e0d\u8981\u5728\u4e3b\u7a0b\u5e8f\u548c\u4e2d\u65ad\u7a0b\u5e8f\u91cc\uff0c\u64cd\u4f5c\u53ef\u80fd\u51b2\u7a81\u7684\u786c\u4ef6\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5411\u6211\u4eec\u8fd9\u6837\uff0c\u5728\u4e2d\u65ad\u91cc\u64cd\u4f5c\u53d8\u91cf\u6216\u8005\u6807\u5fd7\u4f4d\uff0c\u5f53\u4e2d\u65ad\u8fd4\u56de\u65f6\uff0c\u6211\u4eec\u518d\u5bf9\u8fd9\u4e2a\u53d8\u91cf\u8fdb\u884c\u663e\u793a\u548c\u64cd\u4f5c\u3002\u8fd9\u6837\u65e2\u80fd\u4fdd\u8bc1\u4e2d\u65ad\u51fd\u6570\u7684\u7b80\u77ed\u5feb\u901f\uff0c\u53c8\u80fd\u4fdd\u8bc1\u4e0d\u4ea7\u751f\u51b2\u7a81\u7684\u786c\u4ef6\u64cd\u4f5c\uff0c\u8fd9\u5c31\u662f\u4e2d\u65ad\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<p>\u90a3\u5728\u5176\u4ed6\u5730\u65b9\uff0c\u5927\u5bb6\u4e5f\u90fd\u53ef\u4ee5\u591a\u7528\u7528\u53d8\u91cf\u6216\u8005\u6807\u5fd7\u4f4d\uff0c\u6765\u51cf\u5c11\u4ee3\u7801\u4e4b\u95f4\u7684\u8026\u5408\u6027\uff0c\u8ba9\u5404\u90e8\u5206\u4ee3\u7801\u4e92\u76f8\u72ec\u7acb\uff0c\u4ec5\u4f7f\u7528\u53d8\u91cf\u3001\u6807\u5fd7\u4f4d\u6216\u8005\u51fd\u6570\u4f5c\u4e3a\u63a5\u53e3\uff0c\u8fd9\u6837\u80fd\u8ba9\u66f4\u52a0\u6e05\u6670\uff0c\u4ee3\u7801\u66f4\u52a0\u5f3a\u5065\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u5c04\u5f0f\u7ea2\u5916\u4f20\u611f\u5668 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