{"id":864,"date":"2024-08-07T11:13:48","date_gmt":"2024-08-07T03:13:48","guid":{"rendered":"https:\/\/aoofoo.com\/?p=864"},"modified":"2024-09-01T18:37:36","modified_gmt":"2024-09-01T10:37:36","slug":"2-25-%e4%b8%b2%e5%8f%a3%e5%8f%91%e9%80%81%e6%8e%a5%e6%94%b6","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/08\/07\/2-25-%e4%b8%b2%e5%8f%a3%e5%8f%91%e9%80%81%e6%8e%a5%e6%94%b6\/","title":{"rendered":"2.26 \u4e32\u53e3\u53d1\u9001&#038;\u63a5\u6536"},"content":{"rendered":"<h2>\u4e32\u53e3\u6536\u53d1\u63a5\u7ebf\u56fe<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-867\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/08\/1-26.png\" alt=\"\" width=\"1972\" height=\"797\" \/><\/p>\n<h2>\u4e32\u53e3\u521d\u59cb\u5316\u6d41\u7a0b<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-869\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/08\/1-27.png\" alt=\"\" width=\"749\" height=\"369\" \/><\/p>\n<div class=\"sc-star-plane sc-star-plane--1\"><div class=\"sc-star-plane__content\">\u3010Ctrl + alt + \u7a7a\u683c\u3011\u53ef\u4ee5\u8fdb\u884c\u4ee3\u7801\u8054\u60f3\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u9009\u53d6\u53c2\u6570\u3002<\/div><\/div>\n<p>\u7b2c\u4e00\u6b65\uff0c\u5f00\u542f\u65f6\u949f\uff0c\u628a\u9700\u8981\u7528\u7684USART\u548cGPIO\u7684\u65f6\u949f\u6253\u5f00\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65\uff0cGPIO\u521d\u59cb\u5316\uff0c\u628aTX\u914d\u7f6e\u6210\u590d\u7528\u8f93\u51fa\uff0cRX\u914d\u7f6e\u6210\u8f93\u5165\u3002\uff08TX\u5f15\u811a\u662fUSART\u5916\u8bbe\u63a7\u5236\u7684\u8f93\u51fa\u811a\uff0c\u6240\u4ee5\u8981\u9009\u62e9\u590d\u7528\u63a8\u633d\u8f93\u51fa\uff09<\/p>\n<p>\u7b2c\u4e09\u6b65\uff0c\u914d\u7f6eUSART\uff0c\u76f4\u63a5\u4f7f\u7528\u4e00\u4e2a\u7ed3\u6784\u4f53\uff0c\u5c31\u53ef\u4ee5\u628a\u56fe\u4e0a\u9762\u6240\u6709\u7684\u53c2\u6570\u90fd\u914d\u7f6e\u597d\u4e86\u3002<\/p>\n<p>\u7b2c\u56db\u6b65\uff0c\u5982\u679c\u4f60\u53ea\u9700\u8981\u53d1\u9001\u7684\u529f\u80fd\uff0c\u5c31\u76f4\u63a5\u5f00\u542fUSART\uff0c\u521d\u59cb\u5316\u5c31\u7ed3\u675f\u4e86\u3002<\/p>\n<p>\u7b2c\u4e94\u6b65\uff0c\u5982\u679c\u4f60\u8fd8\u9700\u8981\u63a5\u6536\u7684\u529f\u80fd\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u914d\u7f6e\u4e2d\u65ad\u3002\u90a3\u5c31\u5728\u5f00\u542fUSART\u4e4b\u524d\uff0c\u518d\u52a0\u4e0aITConfig\u548cNVIC\u7684\u4ee3\u7801\u5c31\u884c\u4e86\u3002<\/p>\n<p>\u521d\u59cb\u5316\u5b8c\u6210\u4e4b\u540e\uff0c\u5982\u679c\u8981\u53d1\u9001\u6570\u636e\uff0c\u5c31\u8c03\u7528\u4e00\u4e2a\u53d1\u9001\u51fd\u6570\u5c31\u884c\u4e86\uff1b\u5982\u679c\u8981\u63a5\u6536\u6570\u636e\uff0c\u5c31\u8c03\u7528\u4e00\u4e2a\u63a5\u6536\u51fd\u6570\u5c31\u884c\u4e86\u3002<\/p>\n<p>\u5982\u679c\u8981\u83b7\u53d6\u53d1\u9001\u548c\u63a5\u6536\u7684\u72b6\u6001\uff0c\u5c31\u8c03\u7528\u83b7\u53d6\u6807\u5fd7\u4f4d\u7684\u51fd\u6570\uff0c\u8fd9\u5c31\u662fUSART\u5916\u8bbe\u7684\u4f7f\u7528\u601d\u8def\u3002<\/p>\n<h3>USART\u5e93\u51fd\u6570<\/h3>\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>\u5e38\u89c4\u51fd\u6570\u4e0d\u518d\u8bb2\u89e3<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void USART_DeInit(USART_TypeDef* USARTx);<br \/>\nvoid USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);<br \/>\nvoid USART_StructInit(USART_InitTypeDef* USART_InitStruct);<\/p>\n<p>void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);<\/p>\n<p>\/\/\u4e2d\u65ad<br \/>\nvoid USART_ITConfig(USART_TypeDef* USARTx, uint16_t USART_IT, FunctionalState NewState);<\/p>\n<p>\/\/\u6807\u5fd7\u4f4d<\/p>\n<p>FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint16_t USART_FLAG);<br \/>\nvoid USART_ClearFlag(USART_TypeDef* USARTx, uint16_t USART_FLAG);<br \/>\nITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint16_t USART_IT);<br \/>\nvoid USART_ClearITPendingBit(USART_TypeDef* USARTx, uint16_t USART_IT);<\/p>\n<p><\/div><\/div><\/div>\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>USART\u53d1\u9001\u63a5\u6536\u6570\u636e<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);<\/p>\n<p>\u5199DR\u5bc4\u5b58\u5668\u3002<\/p>\n<p>uint16_t USART_ReceiveData(USART_TypeDef* USARTx);<\/p>\n<p>\u8bfbDR\u5bc4\u5b58\u5668\u3002<\/p>\n<p>DR\u5bc4\u5b58\u5668\u5185\u90e8\u67094\u4e2a\u5bc4\u5b58\u5668\uff0c\u63a7\u5236\u53d1\u9001\u4e0e\u63a5\u6536\u3002<\/p>\n<p><\/div><\/div><\/div>\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>\u9700\u8981\u65f6\u949f\u8f93\u51fa\u7684\u53ef\u4ee5\u4e86\u89e3\u4e00\u4e0b<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);<br \/>\nvoid USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);<\/p>\n<p><\/div><\/div><\/div>\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>USART\u5230DMA\u7684\u89e6\u53d1\u901a\u9053<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>void USART_DMACmd(USART_TypeDef* USARTx, uint16_t USART_DMAReq, FunctionalState NewState);<\/p>\n<p><\/div><\/div><\/div>\n<h3>USART\u521d\u59cb\u5316<\/h3>\n<p>\u521d\u59cb\u5316USART\uff0c\u4f7f\u5f97\u5355\u7247\u673a\u8fde\u63a5\u81f3\u7684PA9\u53ef\u4ee5\u63a5\u6536\u5230\u5355\u7247\u673a\u53d1\u9001\u7684\u4fe1\u606f\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void Serial_Init()\r\n{\r\n\t\/\/\u5f00\u542fRCC USART1\u3001GPIOA\u7684\u65f6\u949f\r\n\tRCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);\r\n\tRCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);\r\n\t\r\n\t\/\/\u914d\u7f6ePA9\uff08\u8f93\u51fa\uff09\r\n\t\/\/\u4e00\u822cRX\u914d\u7f6e\u662f\u6d6e\u7a7a\/\u4e0a\u62c9\u8f93\u5165\uff0c\u56e0\u4e3a\u4e32\u53e3\u6ce2\u5f62\u7a7a\u95f2\u72b6\u6001\u662f\u9ad8\u7535\u5e73\uff0c\u6240\u4ee5\u4e0d\u4f7f\u7528\u4e0b\u62c9\u8f93\u5165\u3002\r\n\tGPIO_InitTypeDef GPIO_InitStructure;\r\n\tGPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP; \/\/\u590d\u7528\u8f93\u51fa\r\n\tGPIO_InitStructure.GPIO_Pin=GPIO_Pin_9;\r\n\tGPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;\r\n\tGPIO_Init(GPIOA,&amp;GPIO_InitStructure); \/\/PA9 \u914d\u7f6e\u6210\u590d\u7528\u63a8\u633d\u8f93\u51fa\uff0c\u4f9bUSART1\u7684TX\u4f7f\u7528\u3002\r\n\t\r\n\t\/\/\u521d\u59cb\u5316USART1\r\n\tUSART_InitTypeDef USART_InitStruture;\r\n\t\/\/\u6ce2\u7279\u7387\r\n\tUSART_InitStruture.USART_BaudRate=9600;\r\n\t\/\/\u786c\u4ef6\u6d41\u63a7\u5236\r\n\tUSART_InitStruture.USART_HardwareFlowControl=USART_HardwareFlowControl_None;\r\n\t\/\/\u4e32\u53e3\u6a21\u5f0f\r\n\tUSART_InitStruture.USART_Mode=USART_Mode_Tx;\r\n\t\/\/\u6821\u9a8c\u4f4d\r\n\tUSART_InitStruture.USART_Parity=USART_Parity_No;\r\n\t\/\/\u505c\u6b62\u4f4d\r\n\tUSART_InitStruture.USART_StopBits=USART_StopBits_1;\r\n\t\/\/\u5b57\u957f\r\n\tUSART_InitStruture.USART_WordLength=USART_WordLength_8b;\r\n\tUSART_Init(USART1,&amp;USART_InitStruture);\r\n\t\r\n\t\/\/\u4f7f\u80fdUSART1\r\n\tUSART_Cmd(USART1,ENABLE);\r\n}<\/code><\/pre>\n<p>\u53d1\u9001\u5355\u4e2a\u5b57\u8282\u7684\u51fd\u6570\uff1a<\/p>\n<p>\u5bf9USART_DR\u7684\u5199\u64cd\u4f5c\uff0c\u4f1a\u5c06TXE\u6807\u5fd7\u4f4d\u6e05\u96f6\uff0c\u6240\u4ee5\u6807\u5fd7\u4f4d\u7f6e1\u4e4b\u540e\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u6e05\u96f6\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code> void Serial_SendByte(uint8_t Byte)\r\n{\r\n\tUSART_SendData(USART1, Byte);\r\n\t\/\/\u53d1\u9001\u6570\u636e\u5bc4\u5b58\u5668\u7a7a \u6807\u5fd7\u4f4d\r\n\twhile(USART_GetFlagStatus(USART1,USART_FLAG_TXE) == RESET);\r\n\t\/\/\u8fd9\u4e2a\u6807\u5fd7\u4f4d\u4e0d\u9700\u8981\u6e050\uff0c\u518d\u53d1\u9001\u4e0b\u4e00\u5e27\u6570\u636e\u7684\u65f6\u5019\uff0c\u6807\u5fd7\u4f4d\u81ea\u52a8\u6e050\r\n}<\/code><\/pre>\n<p>\u53d1\u9001\u6570\u7ec4\u7684\u51fd\u6570\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void Serial_SendArray(uint8_t* Array,uint16_t Length)\r\n{\r\n\tuint16_t i;\r\n\tfor(i=0;i&lt;Length;i++)\r\n\t{\r\n\t\tSerial_SendByte(Array[i]);\r\n\t}\r\n}<\/code><\/pre>\n<p>\u53d1\u9001\u6570\u5b57\u7684\u51fd\u6570\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void Serial_SendNumber(uint32_t Number)\r\n{\r\n\t\r\nint8_t Length = 0;\r\nint32_t Y = 1, Count = Number;\r\n\r\n\/\/ \u8ba1\u7b97\u6570\u5b57\u7684\u957f\u5ea6\u548c\u6700\u9ad8\u4f4d\u7684\u9664\u6570\r\nfor ( ; Count &gt; 0; Count \/= 10, Length++) {\r\n    Y *= 10;  \/\/ Y \u6700\u7ec8\u4f1a\u662f Number \u7684\u6700\u9ad8\u4f4d\u768410\u7684\u500d\u6570\r\n}\r\nY \/= 10;  \/\/ \u8c03\u6574 Y \u4e3a\u6700\u9ad8\u6709\u6548\u4f4d\u7684\u9664\u6570\r\n\r\n\/\/ \u53d1\u9001\u6bcf\u4f4d\u6570\u5b57\r\nfor (int i = 0; i &lt; Length; i++) {\r\n    int digit = (Number \/ Y) % 10;  \/\/ \u63d0\u53d6\u5f53\u524d\u6700\u9ad8\u4f4d\r\n    Serial_SendByte(digit+0x30);\r\n    Y \/= 10;\t\/\/ \u79fb\u52a8\u5230\u4e0b\u4e00\u4f4d\r\n}\r\n\/\/\u6362\u884c\r\nSerial_SendByte('\\r');\r\nSerial_SendByte('\\n');\r\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u76ee\u524d\u8fd9\u4e2a\u72b6\u6001\u662f\u5df2\u7ecf\u53ef\u4ee5\u8fdb\u884c\u5355\u7247\u673a\u4e32\u53e3\u7684\u53d1\u9001\u4e86\u3002\u6211\u4eec\u6765\u7528\u4e32\u53e3\u5de5\u5177\u8f6f\u4ef6\u6765\u8fdb\u884c\u4e00\u4e0b\u5b9e\u9a8c\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-883\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/08\/1-28.png\" alt=\"\" width=\"624\" height=\"421\" \/><\/p>\n<p>\u53ef\u4ee5\u770b\u5230STM32\u53ef\u4ee5\u6b63\u5e38\u7684\u53d1\u9001\u6570\u636e\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u518d\u4ecb\u7ecd\u4e00\u4e0bprintf\u51fd\u6570\u79fb\u690d\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528printf\u51fd\u6570\u4e4b\u524d\u9700\u8981\u6253\u5f00\u5de5\u7a0b\u9009\u9879\uff0c\u628aUse MicroLIB\u52fe\u4e0a\uff0cMicroLIB\u662fKeil\u4e3a\u5d4c\u5165\u5f0f\u5e73\u53f0\u4f18\u5316\u7684\u4e00\u4e2a\u7cbe\u7b80\u5e93\uff0c\u6211\u4eec\u7b49\u4f1a\u8981\u7528\u5230\u7684printf\u51fd\u6570\u5c31\u53ef\u4ee5\u7528\u8fd9\u4e2aMicroLIB\uff1b\u63a5\u4e0b\u6765\u6211\u4eec\u9700\u8981\u5bf9printf\u91cd\u5b9a\u5411\uff0c\u5c06printf\u6253\u5370\u7684\u4e1c\u897f\u8f93\u51fa\u5230\u4e32\u53e3\uff0c\u56e0\u4e3aprintf\u9ed8\u8ba4\u662f\u8f93\u51fa\u5230\u5c4f\u5e55\uff0c\u6211\u4eec\u5355\u7247\u673a\u6ca1\u6709\u5c4f\u5e55\uff0c\u6240\u4ee5\u8981\u8fdb\u884c\u91cd\u5b9a\u5411\uff1a<\/p>\n<p>\u65b9\u6cd51\uff08printf\u53ea\u80fd\u67091\u4e2a\uff0c\u6bd4\u5982\u91cd\u5b9a\u5411\u5230\u4e32\u53e31\uff0c\u4e32\u53e32\u518d\u7528\u5c31\u6ca1\u6709\u4e86\uff09<\/p>\n<p>1.\u5728\u4e32\u53e3\u6a21\u5757\u91cc\u52a0\u4e0astdio.h\u5934\u6587\u4ef6\u3002<\/p>\n<p>2.\u91cd\u5199fputc\u51fd\u6570\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>int fputc(int ch,FILE* f)\r\n{\r\n\tSerial_SendByte(ch);\r\n\treturn ch;\r\n}<\/code><\/pre>\n<p>\u91cd\u5b9a\u5411fputc\u8ddfprintf\u6709\u4ec0\u4e48\u5173\u7cfb\u5462\uff1f\u8fd9\u662f\u56e0\u4e3afputc\u662fprintf\u51fd\u6570\u7684\u5e95\u5c42\uff0cprintf\u51fd\u6570\u5728\u6253\u5370\u7684\u65f6\u5019\uff0c\u5c31\u662f\u4e0d\u65ad\u8c03\u7528fputc\u51fd\u6570\u4e00\u4e2a\u4e2a\u6253\u5370\u7684\uff0c\u6211\u4eec\u628afputc\u51fd\u6570\u91cd\u5b9a\u5411\u5230\u4e86\u4e32\u53e3\uff0c\u90a3printf\u81ea\u7136\u5c31\u8f93\u51fa\u5230\u4e32\u53e3\u4e86\u3002<\/p>\n<p>\u65b9\u6cd52(sprintf\u53ef\u4ee5\u6307\u5b9a\u6253\u5370\u4f4d\u7f6e\uff0c\u4e0d\u6d89\u53ca\u91cd\u5b9a\u5411\uff0c\u6bcf\u4e2a\u4e32\u53e3\u90fd\u53ef\u4ee5\u4f7f\u7528\u5176\u6253\u5370)<\/p>\n<p>1.sprintf\u53ef\u4ee5\u628a\u683c\u5f0f\u5316\u5b57\u7b26\u8f93\u51fa\u5230\u4e00\u4e2a\u5b57\u7b26\u4e32\u91cc\uff0c\u6240\u4ee5\u8fd9\u91cc\u53ef\u4ee5\u5148\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32char\uff0c\u957f\u5ea6\u7ed9\u591f\u5c31\u884c\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>char String[100];\r\nsprintf(String,\"Num=%d\\r\\n\",666);\r\nSerial_SendString(String);<\/code><\/pre>\n<p>\u65b9\u6cd53\uff08\u5c01\u88c5sprintf\uff09<\/p>\n<p>sprintf\u6bcf\u6b21\u90fd\u5f97\u5148\u5b9a\u4e49\u5b57\u7b26\u4e32\uff0c\u518d\u6253\u5370\u5230\u5b57\u7b26\u4e32\uff0c\u518d\u53d1\u9001\u5b57\u7b26\u4e32\uff0c\u592a\u9ebb\u70e6\u4e86\uff0c\u6211\u4eec\u8981\u662f\u80fd\u5c01\u88c5\u4e00\u4e0b\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u5c31\u518d\u597d\u4e0d\u8fc7\u4e86\u3002<\/p>\n<p>\u7531\u4e8espritnf\u51fd\u6570\u6bd4\u8f83\u7279\u6b8a\uff0c\u5b83\u652f\u6301\u53ef\u53d8\u7684\u53c2\u6570\uff0c\u50cf\u6211\u4eec\u4e4b\u524d\u5199\u7684\u51fd\u6570\uff0c\u53c2\u6570\u7684\u4e2a\u6570\u90fd\u662f\u56fa\u5b9a\u7684\uff0c\u53ef\u53d8\u53c2\u6570\u8fd9\u4e2a\u6267\u884c\u8d77\u6765\u6bd4\u8f83\u590d\u6742\u3002<\/p>\n<h3>\u4e32\u53e3\u5de5\u5177\u6570\u636e\u6a21\u5f0f<\/h3>\n<p>HEX\u6a21\u5f0f\/\u5341\u516d\u8fdb\u5236\u6a21\u5f0f\/\u4e8c\u8fdb\u5236\u6a21\u5f0f\uff1a\u4ee5\u539f\u59cb\u6570\u636e\u7684\u5f62\u5f0f\u663e\u793a\u3002<\/p>\n<p>\u6587\u672c\u6a21\u5f0f\/\u5b57\u7b26\u6a21\u5f0f\uff1a\u4ee5\u539f\u59cb\u6570\u636e\u7f16\u7801\u540e\u7684\u5f62\u5f0f\u663e\u793a\uff0c\u4e0b\u9762\u662fASCII\u7801\u5b57\u7b26\u96c6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-884\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/08\/1-29.png\" alt=\"\" width=\"1010\" height=\"572\" \/><\/p>\n<h2>\u4e32\u53e3\u7684\u63a5\u6536<\/h2>\n<p>\u5bf9\u4e8e\u4e32\u53e3\u63a5\u6536\u521d\u59cb\u5316\u6765\u8bf4\uff0c\u53ef\u4ee5\u4f7f\u7528\u67e5\u8be2\u548c\u4e2d\u65ad\u4e24\u79cd\u65b9\u6cd5\uff0c\u5982\u679c\u4f7f\u7528\u67e5\u8be2\uff0c\u90a3\u521d\u59cb\u5316\u914d\u7f6e\u5b8c\u6210\u4e4b\u540e\u5c31\u7ed3\u675f\u4e86\uff1b\u5982\u679c\u4f7f\u7528\u4e2d\u65ad\uff0c\u90a3\u8fd8\u9700\u8981\u518d\u521d\u59cb\u5316\u4e2d\u5f00\u542f\u4e2d\u65ad\uff0c\u914d\u7f6eNVIC\u3002<\/p>\n<p>\u67e5\u8be2\u7684\u6d41\u7a0b\u662f\uff0c\u5728\u4e3b\u51fd\u6570\u91cc\u4e0d\u65ad\u5224\u65adRXNE\u6807\u5fd7\u4f4d\uff0c\u5982\u679c\u7f6e1\u4e86\uff0c\u5c31\u8bf4\u660e\u6536\u5230\u6570\u636e\u4e86\uff0c\u90a3\u518d\u8c03\u7528ReceiveData\uff0c\u8bfb\u53d6DR\u5bc4\u5b58\u5668\uff0c\u8fd9\u6837\u5c31\u884c\u4e86\u3002<\/p>\n<h3>\u4e32\u53e3\u63a5\u6536\u521d\u59cb\u5316<\/h3>\n<pre class=\"corepress-code-pre\"><code>void Serial_Init()\r\n{\r\n\t\/\/\u5f00\u542fRCC USART1\u3001GPIOA\u7684\u65f6\u949f\r\n\tRCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);\r\n\tRCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);\r\n\t\r\n\t\/\/\u914d\u7f6ePA9\uff08\u8f93\u51fa\uff09\r\n\t\/\/\u4e00\u822cRX\u914d\u7f6e\u662f\u6d6e\u7a7a\/\u4e0a\u62c9\u8f93\u5165\uff0c\u56e0\u4e3a\u4e32\u53e3\u6ce2\u5f62\u7a7a\u95f2\u72b6\u6001\u662f\u9ad8\u7535\u5e73\uff0c\u6240\u4ee5\u4e0d\u4f7f\u7528\u4e0b\u62c9\u8f93\u5165\u3002\r\n\tGPIO_InitTypeDef GPIO_InitStructure;\r\n\tGPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP; \/\/\u590d\u7528\u8f93\u51fa\r\n\tGPIO_InitStructure.GPIO_Pin=GPIO_Pin_9;\r\n\tGPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;\r\n\tGPIO_Init(GPIOA,&amp;GPIO_InitStructure); \/\/PA9 \u914d\u7f6e\u6210\u590d\u7528\u63a8\u633d\u8f93\u51fa\uff0c\u4f9bUSART1\u7684TX\u4f7f\u7528\u3002\r\n\t\r\n\tGPIO_InitStructure.GPIO_Mode=GPIO_Mode_IPU; \/\/\u4e0a\u62c9\u8f93\u5165\r\n\tGPIO_InitStructure.GPIO_Pin=GPIO_Pin_10;\r\n\tGPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;\r\n\tGPIO_Init(GPIOA,&amp;GPIO_InitStructure); \/\/PA10 \u914d\u7f6e\u6210\u4e0a\u62c9\u8f93\u5165\uff0c\u4f9bUSART1\u7684RX\u4f7f\u7528\u3002\r\n\t\r\n\t\r\n\t\/\/\u521d\u59cb\u5316USART1\r\n\tUSART_InitTypeDef USART_InitStruture;\r\n\t\/\/\u6ce2\u7279\u7387\r\n\tUSART_InitStruture.USART_BaudRate=9600;\r\n\t\/\/\u786c\u4ef6\u6d41\u63a7\u5236\r\n\tUSART_InitStruture.USART_HardwareFlowControl=USART_HardwareFlowControl_None;\r\n\t\/\/\u4e32\u53e3\u6a21\u5f0f\r\n\tUSART_InitStruture.USART_Mode=USART_Mode_Tx | USART_Mode_Rx;\r\n\t\/\/\u6821\u9a8c\u4f4d\r\n\tUSART_InitStruture.USART_Parity=USART_Parity_No;\r\n\t\/\/\u505c\u6b62\u4f4d\r\n\tUSART_InitStruture.USART_StopBits=USART_StopBits_1;\r\n\t\/\/\u5b57\u957f\r\n\tUSART_InitStruture.USART_WordLength=USART_WordLength_8b;\r\n\tUSART_Init(USART1,&amp;USART_InitStruture);\r\n\t\r\n\t\/\/\u4f7f\u80fdUSART1\r\n\tUSART_Cmd(USART1,ENABLE);\r\n}<\/code><\/pre>\n<h3>\u00a0\u4e32\u53e3\u67e5\u8be2\u63a5\u6536<\/h3>\n<pre class=\"corepress-code-pre\"><code>int main(void){\r\n\tOLED_Init();\r\n\tSerial_Init();\r\n\t\r\n\t\r\n\twhile(1)\r\n\t{\r\n\t\tif(USART_GetFlagStatus(USART1,USART_FLAG_RXNE) == SET)\r\n\t\t{\t\r\n\t\t\t\/\/\u63a5\u6536\u5230\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\u5df2\u7ecf\u5728RxData\u91cc\u9762\u4e86\u3002\r\n\t\t\tRxData = USART_ReceiveData(USART1);\r\n\t\t\tOLED_ShowHexNum(1,1,RxData,2);\r\n\t\t\t\/\/\u5f53RDR\u79fb\u4f4d\u5bc4\u5b58\u5668\u4e2d\u7684\u6570\u636e\u88ab\u8f6c\u79fb\u5230USART_DR\u5bc4\u5b58\u5668\u4e2d\uff0c\u8be5\u4f4d\u88ab\u786c\u4ef6\u7f6e\u4f4d\u3002\r\n\t\t\t\/*\u5982\u679cUSART_CR1\u5bc4\u5b58\u5668\u4e2d\u7684RXNEIE\u4e3a1\uff0c\u5219\u4ea7\u751f\u4e2d\u65ad\u3002\u5bf9USART_DR\u7684\u8bfb\u64cd\u4f5c\r\n\t\t\t  \u53ef\u4ee5\u5c06\u8be5\u4f4d\u6e05\u96f6\u3002*\/\r\n\t\t\t\/\/\u6240\u4ee5\u8bfbDR\u786c\u4ef6\u4f1a\u81ea\u52a8\u6e05\u9664\u6807\u5fd7\u4f4d\uff0c\u6211\u4eec\u5c31\u4e0d\u9700\u8981\u518d\u6e05\u9664\u6807\u5fd7\u4f4d\u4e86\u3002\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n<h3>\u4e32\u53e3\u4e2d\u65ad\u63a5\u6536<\/h3>\n<pre class=\"corepress-code-pre\"><code>void USART1_IRQHandler()\r\n{\r\n\tif(USART_GetFlagStatus(USART1,USART_IT_RXNE) ==SET)\r\n\t{\r\n\t\tSerial_RxData = USART_ReceiveData(USART1);\r\n\t\tSerial_RxFlag = 1; \r\n\t\t\/\/USART_ClearFlag(USART1,USART_IT_RXNE);\r\n\t}\r\n}\r\n\r\nuint8_t Serial_GetRxFlag(void)\r\n{\r\n\tif(Serial_RxFlag == 1)\r\n\t{\r\n\t\tSerial_RxFlag = 0;\r\n\t\treturn 1;\r\n\t}\r\n\treturn 0;\r\n}\r\n\r\nuint8_t Serial_GetRxData(void)\r\n{\r\n\treturn Serial_RxData;\r\n}\r\n<\/code><\/pre>\n<p>\u4e3b\u51fd\u6570<\/p>\n<pre class=\"corepress-code-pre\"><code>uint8_t RxData;\r\n\r\nint main(void){\r\n\tOLED_Init();\r\n\tSerial_Init();\r\n\tOLED_ShowString(1,1,\"RxData:\");\r\n\t\r\n\twhile(1)\r\n\t{\r\n\t\tif(Serial_GetRxFlag() == 1)\r\n\t\t{\t\r\n\t\t\tRxData = Serial_GetRxData();\r\n\t\t\tSerial_SendByte(RxData);\r\n\t\t\tOLED_ShowHexNum(1,8,RxData,2);\r\n\t\t}\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e32\u53e3\u6536\u53d1\u63a5\u7ebf\u56fe \u4e32\u53e3\u521d\u59cb\u5316\u6d41\u7a0b \u7b2c\u4e00\u6b65\uff0c\u5f00\u542f\u65f6\u949f\uff0c\u628a\u9700\u8981\u7528\u7684USART\u548cGPIO\u7684\u65f6\u949f\u6253\u5f00\u3002 \u7b2c\u4e8c\u6b65\uff0cGPIO [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-864","post","type-post","status-publish","format-standard","hentry","category-stm32"],"_links":{"self":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/comments?post=864"}],"version-history":[{"count":13,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/864\/revisions"}],"predecessor-version":[{"id":890,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/864\/revisions\/890"}],"wp:attachment":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/media?parent=864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/categories?post=864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/tags?post=864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}