{"id":1431,"date":"2022-11-15T12:22:02","date_gmt":"2022-11-15T04:22:02","guid":{"rendered":"https:\/\/www.lcettsg.cn\/code\/?p=1431"},"modified":"2024-08-29T23:36:41","modified_gmt":"2024-08-29T15:36:41","slug":"stm32-gpio","status":"publish","type":"post","link":"https:\/\/www.lcettsg.cn\/code\/?p=1431","title":{"rendered":"STM32  GPIO"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">GPIO\u7b80\u4ecb<\/h2>\n\n\n\n<p>GPIO\uff08General Purpose Input Output\uff09\u901a\u7528\u8f93\u5165\u8f93\u51fa\u53e3\u3002<br>\u53ef\u914d\u7f6e\u4e3a8\u79cd\u8f93\u5165\u8f93\u51fa\u6a21\u5f0f\u3002<br>\u5f15\u811a\u7535\u5e73\uff1a0V~3.3V\uff0c\u90e8\u5206\u5f15\u811a\u53ef\u5bb9\u5fcd5V\u3002\u5f15\u811a\u5b9a\u4e49\u8868\u4e2dI\/O\u53e3\u7535\u5e73\u6807\u6ce8\u6709FT\uff08FIVE TOLERATE\uff09\u4ee3\u8868\u53ef\u4ee5\u8f93\u51655V\u7535\u538b\u3002\u8f93\u51fa\u8fd8\u662f3.3V\u3002<br>\u8f93\u51fa\u6a21\u5f0f\u4e0b\u53ef\u63a7\u5236\u7aef\u53e3\u8f93\u51fa\u9ad8\u4f4e\u7535\u5e73\uff0c\u7528\u4ee5\u9a71\u52a8LED\u3001\u63a7\u5236\u8702\u9e23\u5668\u3001\u6a21\u62df\u901a\u4fe1\u534f\u8bae\u8f93\u51fa\u65f6\u5e8f\u7b49\u3002<br>\u8f93\u5165\u6a21\u5f0f\u4e0b\u53ef\u8bfb\u53d6\u7aef\u53e3\u7684\u9ad8\u4f4e\u7535\u5e73\u6216\u7535\u538b\uff0c\u7528\u4e8e\u8bfb\u53d6\u6309\u952e\u8f93\u5165\u3001\u5916\u63a5\u6a21\u5757\u7535\u5e73\u4fe1\u53f7\u8f93\u5165\u3001ADC\u7535\u538b\u91c7\u96c6\u3001\u6a21\u62df\u901a\u4fe1\u534f\u8bae\u63a5\u6536\u6570\u636e\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GPIO\u57fa\u672c\u7ed3\u6784\uff1a<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"940\" height=\"688\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-26.png\" alt=\"\" class=\"wp-image-1332\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-26.png 940w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-26-500x366.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-26-768x562.png 768w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">GPIO\u4f4d\u7ed3\u6784<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1439\" height=\"886\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-27.png\" alt=\"\" class=\"wp-image-1334\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-27.png 1439w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-27-1000x616.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-27-500x308.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-27-768x473.png 768w\" sizes=\"(max-width: 1439px) 100vw, 1439px\" \/><\/figure>\n\n\n\n<p>\u8f93\u5165\u7535\u8def\u4e2dTTL\u8096\u7279\u57fa\u89e6\u53d1\u5668\uff0c\u5e94\u4e3a\u65bd\u5bc6\u7279\u89e6\u53d1\u5668\uff0c\u7ffb\u8bd1\u9519\u8bef\u3002\u5bf9\u8f93\u5165\u7535\u538b\u8fdb\u884c\u6574\u5f62\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GPIO\u6a21\u5f0f<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u6a21\u5f0f\u540d\u79f0<\/strong><\/td><td><strong>\u6027\u8d28<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>\u7279\u5f81<\/strong><\/td><\/tr><tr><td>\u6d6e\u7a7a\u8f93\u5165<\/td><td>\u6570\u5b57\u8f93\u5165<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u53ef\u8bfb\u53d6\u5f15\u811a\u7535\u5e73\uff0c\u82e5\u5f15\u811a\u60ac\u7a7a\uff0c\u5219\u7535\u5e73\u4e0d\u786e\u5b9a<\/td><\/tr><tr><td>\u4e0a\u62c9\u8f93\u5165<\/td><td>\u6570\u5b57\u8f93\u5165<\/td><td class=\"has-text-align-left\" data-align=\"left\"><mark style=\"background-color:#000000\" class=\"has-inline-color has-white-color\">\u53ef\u8bfb\u53d6\u5f15\u811a\u7535\u5e73\uff0c\u5185\u90e8\u8fde\u63a5\u4e0a\u62c9\u7535\u963b\uff0c\u60ac\u7a7a\u65f6\u9ed8\u8ba4\u9ad8\u7535\u5e73<\/mark><\/td><\/tr><tr><td>\u4e0b\u62c9\u8f93\u5165<\/td><td>\u6570\u5b57\u8f93\u5165<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u53ef\u8bfb\u53d6\u5f15\u811a\u7535\u5e73\uff0c\u5185\u90e8\u8fde\u63a5\u4e0b\u62c9\u7535\u963b\uff0c\u60ac\u7a7a\u65f6\u9ed8\u8ba4\u4f4e\u7535\u5e73<\/td><\/tr><tr><td>\u6a21\u62df\u8f93\u5165<\/td><td>\u6a21\u62df\u8f93\u5165<\/td><td class=\"has-text-align-left\" data-align=\"left\">GPIO\u65e0\u6548\uff0c\u5f15\u811a\u76f4\u63a5\u63a5\u5165\u5185\u90e8ADC<\/td><\/tr><tr><td>\u5f00\u6f0f\u8f93\u51fa<\/td><td>\u6570\u5b57\u8f93\u51fa<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u53ef\u8f93\u51fa\u5f15\u811a\u7535\u5e73\uff0c\u9ad8\u7535\u5e73\u4e3a\u9ad8\u963b\u6001\uff0c\u4f4e\u7535\u5e73\u63a5VSS<\/td><\/tr><tr><td>\u63a8\u633d\u8f93\u51fa<\/td><td>\u6570\u5b57\u8f93\u51fa<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u53ef\u8f93\u51fa\u5f15\u811a\u7535\u5e73\uff0c\u9ad8\u7535\u5e73\u63a5VDD\uff0c\u4f4e\u7535\u5e73\u63a5VSS<\/td><\/tr><tr><td>\u590d\u7528\u5f00\u6f0f\u8f93\u51fa<\/td><td>\u6570\u5b57\u8f93\u51fa<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u7531\u7247\u4e0a\u5916\u8bbe\u63a7\u5236\uff0c\u9ad8\u7535\u5e73\u4e3a\u9ad8\u963b\u6001\uff0c\u4f4e\u7535\u5e73\u63a5VSS<\/td><\/tr><tr><td>\u590d\u7528\u63a8\u633d\u8f93\u51fa<\/td><td>\u6570\u5b57\u8f93\u51fa<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u7531\u7247\u4e0a\u5916\u8bbe\u63a7\u5236\uff0c\u9ad8\u7535\u5e73\u63a5VDD\uff0c\u4f4e\u7535\u5e73\u63a5VSS<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u6d6e\u7a7a\/\u4e0a\u62c9\/\u4e0b\u62c9\u8f93\u5165<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1540\" height=\"885\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-28.png\" alt=\"\" class=\"wp-image-1338\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-28.png 1540w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-28-1000x575.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-28-500x287.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-28-768x441.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-28-1536x883.png 1536w\" sizes=\"(max-width: 1540px) 100vw, 1540px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u6a21\u62df\u8f93\u5165<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1510\" height=\"886\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-29.png\" alt=\"\" class=\"wp-image-1339\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-29.png 1510w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-29-1000x587.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-29-500x293.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-29-768x451.png 768w\" sizes=\"(max-width: 1510px) 100vw, 1510px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5f00\u6f0f\/\u63a8\u633d\u8f93\u51fa<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1595\" height=\"885\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-30.png\" alt=\"\" class=\"wp-image-1340\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-30.png 1595w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-30-1000x555.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-30-500x277.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-30-768x426.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-30-1536x852.png 1536w\" sizes=\"(max-width: 1595px) 100vw, 1595px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u590d\u7528\u5f00\u6f0f\/\u63a8\u633d\u8f93\u51fa<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1512\" height=\"886\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-31.png\" alt=\"\" class=\"wp-image-1341\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-31.png 1512w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-31-1000x586.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-31-500x293.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-31-768x450.png 768w\" sizes=\"(max-width: 1512px) 100vw, 1512px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u76f8\u5173\u5bc4\u5b58\u5668<\/h2>\n\n\n\n<p>\u7aef\u53e3\u914d\u7f6e\u4f4e\u5bc4\u5b58\u5668\uff08GPIOx_CRL(x=A..E\u3001\u7aef\u53e3\u914d\u7f6e\u9ad8\u5bc4\u5b58\u5668\uff08GPIOx_CRH(x=A..E\uff09:\u6bcf\u4f4d\u7aef\u53e3\u7684\u6a21\u5f0f\u75314\u4f4d\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u7aef\u53e3\u8f93\u51fa\u901f\u5ea6\uff1a\u53ef\u4ee5\u9009\u62e9\u7aef\u53e3\u7684\u7ffb\u8f6c\u901f\u5ea6\uff0c\u4e3a\u4e86\u4f4e\u529f\u8017\u548c\u7a33\u5b9a\u6027\uff0c\u4e00\u822c\u76f4\u63a5\u914d\u7f6e\u621050Mhz\u5373\u53ef\u3002<\/p>\n\n\n\n<p>\u7aef\u53e3\u8f93\u5165\u6570\u636e\u5bc4\u5b58\u5668\uff08GPIOx_IDR)(x=A..E)\u3002<\/p>\n\n\n\n<p> \u7aef\u53e3\u8f93\u51fa\u6570\u636e\u5bc4\u5b58\u5668\uff08GPIOx_ODR)(x=A..E)\u3002<\/p>\n\n\n\n<p>\u7aef\u53e3\u4f4d\u8bbe\u7f6e\/\u6e05\u9664\u5bc4\u5b58(GPIOx_BSRR)(x=A..E)\uff1a\u9ad816\u4f4d\u4e3a\u4f4d\u6e05\u9664\u7528\u7684\uff0c\u4f4e16\u4f4d\u4e3a\u4f4d\u4f4d\u8bbe\u7f6e\u7684\u3002<\/p>\n\n\n\n<p>\u7aef\u53e3\u4f4d\u6e05\u9664\u5bc4\u5b58\u5668\uff08GPIOx_BRR\uff09(x=A..E): \u8ddf\u4e0a\u9762\u5bc4\u5b58\u5668\u4e00\u6837\uff0c\u4e3a\u4e86\u65b9\u4fbf\u64cd\u4f5c\u53ca\u540c\u6b65\u6027\u8003\u8651\u3002<\/p>\n\n\n\n<p>\u7aef\u53e3\u914d\u7f6e\u9501\u5b9a\u5bc4\u5b58\u5668\uff08GPIOx_LCKR\uff09(x=A..E)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">LED\u548c\u8702\u9e23\u5668\u7b80\u4ecb<\/h2>\n\n\n\n<p>LED\uff1a\u53d1\u5149\u4e8c\u6781\u7ba1\uff0c\u6b63\u5411\u901a\u7535\u70b9\u4eae\uff0c\u53cd\u5411\u901a\u7535\u4e0d\u4eae\u3002<br>\u6709\u6e90\u8702\u9e23\u5668\uff1a\u5185\u90e8\u81ea\u5e26\u632f\u8361\u6e90\uff0c\u5c06\u6b63\u8d1f\u6781\u63a5\u4e0a\u76f4\u6d41\u7535\u538b\u5373\u53ef\u6301\u7eed\u53d1\u58f0\uff0c\u9891\u7387\u56fa\u5b9a\u3002<br>\u65e0\u6e90\u8702\u9e23\u5668\uff1a\u5185\u90e8\u4e0d\u5e26\u632f\u8361\u6e90\uff0c\u9700\u8981\u63a7\u5236\u5668\u63d0\u4f9b\u632f\u8361\u8109\u51b2\u624d\u53ef\u53d1\u58f0\uff0c\u8c03\u6574\u63d0\u4f9b\u632f\u8361\u8109\u51b2\u7684\u9891\u7387\uff0c\u53ef\u53d1\u51fa\u4e0d\u540c\u9891\u7387\u7684\u58f0\u97f3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2841\" height=\"602\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-33.png\" alt=\"\" class=\"wp-image-1350\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-33.png 2841w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-33-1000x212.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-33-500x106.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-33-768x163.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-33-1536x325.png 1536w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-33-2048x434.png 2048w\" sizes=\"(max-width: 2841px) 100vw, 2841px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2440\" height=\"1396\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-34.png\" alt=\"\" class=\"wp-image-1351\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-34.png 2440w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-34-1000x572.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-34-500x286.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-34-768x439.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-34-1536x879.png 1536w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-34-2048x1172.png 2048w\" sizes=\"(max-width: 2440px) 100vw, 2440px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u9762\u5305\u677f<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1663\" height=\"893\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-32.png\" alt=\"\" class=\"wp-image-1343\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-32.png 1663w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-32-1000x537.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-32-500x268.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-32-768x412.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-32-1536x825.png 1536w\" sizes=\"(max-width: 1663px) 100vw, 1663px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u70b9\u4eaeLED\u8bd5\u9a8c<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1089\" height=\"608\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-83.png\" alt=\"\" class=\"wp-image-1438\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-83.png 1089w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-83-1000x558.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-83-500x279.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-83-768x429.png 768w\" sizes=\"(max-width: 1089px) 100vw, 1089px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">RCC\u76f8\u5173\u51fd\u6570\u4ecb\u7ecdstm32f10x_rcc.h<\/h2>\n\n\n\n<p>void RCC_AHBPeriphClockCmd(uint32_t RCC_AHBPeriph, FunctionalState NewState);<br>void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);<br>void RCC_APB1PeriphClockCmd(uint32_t RCC_APB1Periph, FunctionalState NewState);<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GPIO\u76f8\u5173\u51fd\u6570stm32f10x_gpio.h<\/h2>\n\n\n\n<p>void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);<br>void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct);<br>uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);<br>uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);<br>uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);<br>uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);<br>void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);<br>void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);<br>void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal);<br>void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal);<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">main\u51fd\u6570<\/h2>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-small-font-size\"><code>#include \"stm32f10x.h\"                  \/\/ Device header\n#include \"Delay.h\"\n\nint main(void)\n{\n    \/\/\u5f00\u542f\u65f6\u949f\n    RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA,ENABLE);\n    \n    \/\/\u914d\u7f6eGPIO\u6a21\u5f0f\n    GPIO_InitTypeDef GPIO_InitStructure;\n    GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;\n    GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0 ;\n    GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;\n    GPIO_Init(GPIOA,&amp;GPIO_InitStructure);\n    \n    \/\/\u70b9\u706f\n    \/\/GPIO_SetBits(GPIOA,GPIO_Pin_0);\n    \/\/GPIO_ResetBits(GPIOC,GPIO_Pin_0);\n \n    while(1)\n    {\n        GPIO_WriteBit(GPIOA, GPIO_Pin_0, Bit_RESET);\/\/\u4eae\n        Delay_ms(500);\n        GPIO_WriteBit(GPIOA, GPIO_Pin_0, Bit_SET);\/\/\u706d\n        Delay_ms(500);\n    }\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6309\u952e\u7b80\u4ecb<\/h2>\n\n\n\n<p>\u6309\u952e\uff1a\u5e38\u89c1\u7684\u8f93\u5165\u8bbe\u5907\uff0c\u6309\u4e0b\u5bfc\u901a\uff0c\u677e\u624b\u65ad\u5f00\u3002<br>\u6309\u952e\u6296\u52a8\uff1a\u7531\u4e8e\u6309\u952e\u5185\u90e8\u4f7f\u7528\u7684\u662f\u673a\u68b0\u5f0f\u5f39\u7c27\u7247\u6765\u8fdb\u884c\u901a\u65ad\u7684\uff0c\u6240\u4ee5\u5728\u6309\u4e0b\u548c\u677e\u624b\u7684\u77ac\u95f4\u4f1a\u4f34\u968f\u6709\u4e00\u8fde\u4e32\u7684\u6296\u52a8\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2519\" height=\"715\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-35.png\" alt=\"\" class=\"wp-image-1352\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-35.png 2519w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-35-1000x284.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-35-500x142.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-35-768x218.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-35-1536x436.png 1536w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-35-2048x581.png 2048w\" sizes=\"(max-width: 2519px) 100vw, 2519px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f20\u611f\u5668\u6a21\u5757\u7b80\u4ecb<\/h2>\n\n\n\n<p>\u4f20\u611f\u5668\u6a21\u5757\uff1a\u4f20\u611f\u5668\u5143\u4ef6\uff08\u5149\u654f\u7535\u963b\/\u70ed\u654f\u7535\u963b\/\u7ea2\u5916\u63a5\u6536\u7ba1\u7b49\uff09\u7684\u7535\u963b\u4f1a\u968f\u5916\u754c\u6a21\u62df\u91cf\u7684\u53d8\u5316\u800c\u53d8\u5316\uff0c\u901a\u8fc7\u4e0e\u5b9a\u503c\u7535\u963b\u5206\u538b\u5373\u53ef\u5f97\u5230\u6a21\u62df\u7535\u538b\u8f93\u51fa\uff0c\u518d\u901a\u8fc7\u7535\u538b\u6bd4\u8f83\u5668\u8fdb\u884c\u4e8c\u503c\u5316\u5373\u53ef\u5f97\u5230\u6570\u5b57\u7535\u538b\u8f93\u51fa\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"594\" height=\"328\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-36.png\" alt=\"\" class=\"wp-image-1353\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-36.png 594w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-36-500x276.png 500w\" sizes=\"(max-width: 594px) 100vw, 594px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"323\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-37-1000x323.png\" alt=\"\" class=\"wp-image-1354\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-37-1000x323.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-37-500x161.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-37-768x248.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-37.png 1310w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"504\" src=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-38-1000x504.png\" alt=\"\" class=\"wp-image-1355\" srcset=\"https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-38-1000x504.png 1000w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-38-500x252.png 500w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-38-768x387.png 768w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-38-1536x774.png 1536w, https:\/\/www.lcettsg.cn\/code\/wp-content\/uploads\/2022\/11\/image-38-2048x1032.png 2048w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">GPIO\u8bfb\u53d6\u8f93\u5165\u76f8\u5173\u51fd\u6570<\/h2>\n\n\n\n<p>uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);<br>uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx);<br>uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);<br>uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx);<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GPIO\u7b80\u4ecb GPIO\uff08General Purpose Input Output\uff09\u901a\u7528\u8f93\u5165\u8f93\u51fa\u53e3\u3002\u53ef\u914d\u7f6e\u4e3a8\u79cd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-1431","post","type-post","status-publish","format-standard","hentry","category-jxkj-stm32"],"_links":{"self":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts\/1431"}],"collection":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1431"}],"version-history":[{"count":9,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts\/1431\/revisions"}],"predecessor-version":[{"id":1972,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=\/wp\/v2\/posts\/1431\/revisions\/1972"}],"wp:attachment":[{"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lcettsg.cn\/code\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}