{"id":25872,"date":"2025-04-19T14:01:10","date_gmt":"2025-04-19T06:01:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/25872.html"},"modified":"2025-04-19T14:01:10","modified_gmt":"2025-04-19T06:01:10","slug":"stm32%e5%ad%a6%e4%b9%a0-%e5%ae%9e%e7%8e%b0ftp%e5%ae%a2%e6%88%b7%e7%ab%af%e5%8f%91%e9%80%81%e6%96%87%e4%bb%b6%e5%88%b0%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/25872.html","title":{"rendered":"STM32\u5b66\u4e60--\u5b9e\u73b0FTP\u5ba2\u6237\u7aef\u53d1\u9001\u6587\u4ef6\u5230\u670d\u52a1\u5668"},"content":{"rendered":"

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u5728STM32\u4e0a\u5b9e\u73b0FTP\u5ba2\u6237\u7aef\u53d1\u9001\u6587\u4ef6\u5230\u670d\u52a1\u5668，\u6d89\u53ca\u7684\u6280\u672f\u8f83\u4e3a\u590d\u6742，\u9700\u8981\u5b9e\u73b0FTP\u534f\u8bae\u7684\u57fa\u672c\u64cd\u4f5c，\u5e76\u5229\u7528STM32\u7684\u7f51\u7edc\u63a5\u53e3（\u5982\u4ee5\u592a\u7f51\u3001Wi-Fi\u6a21\u5757\u7b49）\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u3002\u4e3a\u4e86\u7b80\u5316\u5f00\u53d1\u8fc7\u7a0b，\u901a\u5e38\u4f1a\u4f7f\u7528\u4e00\u4e2a\u73b0\u6210\u7684TCP\/IP\u6808（\u5982LWIP）\u548cFTP\u534f\u8bae\u7684\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0FTP\u5ba2\u6237\u7aef\u529f\u80fd\u7684\u57fa\u672c\u6b65\u9aa4，\u5305\u62ec\u786c\u4ef6\u914d\u7f6e\u3001\u7f51\u7edc\u914d\u7f6e\u3001FTP\u534f\u8bae\u7684\u64cd\u4f5c\u7b49\u3002<\/p>\n

\u4e00\u3001\u786c\u4ef6\u914d\u7f6e<\/h3>\n

\u5728STM32\u4e0a，\u7f51\u7edc\u8fde\u63a5\u901a\u5e38\u6709\u4e24\u79cd\u65b9\u5f0f：<\/p>\n

\u4ee5\u592a\u7f51\u63a5\u53e3：\u4f7f\u7528STM32\u7684\u4ee5\u592a\u7f51\u63a7\u5236\u5668（\u5982STM32F407\u7cfb\u5217\u6216STM32F746\u7cfb\u5217）\u8fde\u63a5\u5230\u6709\u7ebf\u7f51\u7edc\u3002 Wi-Fi\u6a21\u5757：\u4f7f\u7528\u5916\u90e8Wi-Fi\u6a21\u5757（\u5982ESP8266\u3001ESP32）\u4e0eSTM32\u8fdb\u884c\u4e32\u53e3\u901a\u4fe1，\u901a\u8fc7Wi-Fi\u8fde\u63a5\u7f51\u7edc\u3002<\/p>\n

\u4e8c\u3001\u5f00\u53d1\u73af\u5883\u8bbe\u7f6e<\/h3>\n

\u5f00\u53d1STM32 FTP\u5ba2\u6237\u7aef\u9700\u8981\u4ee5\u4e0b\u5de5\u5177\u548c\u5e93： \u00b7\u00b7STM32CubeMX：\u7528\u4e8e\u751f\u6210\u521d\u59cb\u5316\u4ee3\u7801，\u914d\u7f6eI2C\u3001SPI\u3001\u4ee5\u592a\u7f51\u6216Wi-Fi\u63a5\u53e3\u7b49\u3002 \u00b7\u00b7HAL\u5e93：\u7528\u4e8e\u786c\u4ef6\u63a5\u53e3\u7684\u62bd\u8c61\u3002 \u00b7\u00b7LWIP\u5e93：\u8f7b\u91cf\u7ea7TCP\/IP\u534f\u8bae\u6808，\u7528\u4e8e\u7f51\u7edc\u901a\u4fe1\u3002 \u00b7\u00b7FreeRTOS（\u53ef\u9009）：\u5982\u679c\u9700\u8981\u591a\u4efb\u52a1\u5904\u7406，FreeRTOS\u53ef\u4ee5\u5e2e\u52a9\u7ba1\u7406\u4efb\u52a1\u3002 \u00b7\u00b7FTP\u5e93（\u5982open-source FTP client library）：\u5b9e\u73b0FTP\u534f\u8bae，\u5b8c\u6210\u8fde\u63a5\u3001\u8ba4\u8bc1\u3001\u6587\u4ef6\u4f20\u8f93\u7b49\u529f\u80fd\u3002<\/p>\n

\u4e09\u3001 \u5b9e\u73b0FTP\u5ba2\u6237\u7aef<\/h3>\n

\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6e90\u6587\u4ef6，\u4f8b\u5982，\u5e76\u5728\u5176\u4e2d\u5b9e\u73b0FTP\u5ba2\u6237\u7aef\u903b\u8f91\u3002\u4ee5\u4e0b\u662fFTP\u5ba2\u6237\u7aef\u7684\u57fa\u672c\u5b9e\u73b0\u6b65\u9aa4：ftp_client.c<\/p>\n

1. \u5305\u542b\u5934\u6587\u4ef6<\/h4>\n

#<\/span>include<\/span> "lwip\/netdb.h"<\/span><\/span>
\n#<\/span>include<\/span> "lwip\/sockets.h"<\/span><\/span>
\n#<\/span>include<\/span> "string.h"<\/span><\/span>
\n#<\/span>include<\/span> "stdio.h"<\/span><\/span><\/p>\n

2. \u5b9a\u4e49FTP\u547d\u4ee4<\/h4>\n

\u5b9a\u4e49FTP\u547d\u4ee4\u7684\u5b8f\u548c\u5fc5\u8981\u7684\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n

#<\/span>define<\/span> FTP_SERVER_IP<\/span> "192.168.1.100"<\/span> \/\/ FTP\u670d\u52a1\u5668IP\u5730\u5740<\/span><\/span>
\n#<\/span>define<\/span> FTP_USERNAME<\/span> "your_username"<\/span> \/\/ FTP\u7528\u6237\u540d<\/span><\/span>
\n#<\/span>define<\/span> FTP_PASSWORD<\/span> "your_password"<\/span> \/\/ FTP\u5bc6\u7801<\/span><\/span>
\n#<\/span>define<\/span> FTP_PORT<\/span> 21<\/span> <\/span>\/\/ FTP\u7aef\u53e3<\/span><\/span><\/p>\n

int<\/span> sockfd;<\/span>
\nstruct<\/span> sockaddr_in<\/span> server_addr;<\/span><\/p>\n

3. \u8fde\u63a5\u5230FTP\u670d\u52a1\u5668<\/h4>\n

int<\/span> ftp_connect<\/span>(<\/span>)<\/span> {<\/span>
\n sockfd =<\/span> socket<\/span>(<\/span>AF_INET,<\/span> SOCK_STREAM,<\/span> 0<\/span>)<\/span>;<\/span>
\n if<\/span> (<\/span>sockfd <<\/span> 0<\/span>)<\/span> {<\/span>
\n printf<\/span>(<\/span>"Socket creation failed\\\\n"<\/span>)<\/span>;<\/span>
\n return<\/span> –<\/span>1<\/span>;<\/span>
\n }<\/span><\/p>\n

memset<\/span>(<\/span>&<\/span>server_addr,<\/span> 0<\/span>,<\/span> sizeof<\/span>(<\/span>server_addr)<\/span>)<\/span>;<\/span>
\n server_addr.<\/span>sin_family =<\/span> AF_INET;<\/span>
\n server_addr.<\/span>sin_port =<\/span> htons<\/span>(<\/span>FTP_PORT)<\/span>;<\/span>
\n inet_aton<\/span>(<\/span>FTP_SERVER_IP,<\/span> &<\/span>server_addr.<\/span>sin_addr)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>connect<\/span>(<\/span>sockfd,<\/span> (<\/span>struct<\/span> sockaddr<\/span> *<\/span>)<\/span>&<\/span>server_addr,<\/span> sizeof<\/span>(<\/span>server_addr)<\/span>)<\/span> <<\/span> 0<\/span>)<\/span> {<\/span>
\n printf<\/span>(<\/span>"Connection to FTP server failed\\\\n"<\/span>)<\/span>;<\/span>
\n return<\/span> –<\/span>1<\/span>;<\/span>
\n }<\/span><\/p>\n

printf<\/span>(<\/span>"Connected to FTP server\\\\n"<\/span>)<\/span>;<\/span>
\n return<\/span> 0<\/span>;<\/span>
\n}<\/span><\/p>\n

4. \u53d1\u9001FTP\u547d\u4ee4<\/h4>\n

\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u53d1\u9001FTP\u547d\u4ee4\u3002<\/p>\n

void<\/span> ftp_send_command<\/span>(<\/span>const<\/span> char<\/span> *<\/span>cmd)<\/span> {<\/span>
\n send<\/span>(<\/span>sockfd,<\/span> cmd,<\/span> strlen<\/span>(<\/span>cmd)<\/span>,<\/span> 0<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

5. \u63a5\u6536FTP\u54cd\u5e94<\/h4>\n

\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u63a5\u6536FTP\u670d\u52a1\u5668\u7684\u54cd\u5e94\u3002<\/p>\n

void<\/span> ftp_receive_response<\/span>(<\/span>)<\/span> {<\/span>
\n char<\/span> buffer[<\/span>256<\/span>]<\/span>;<\/span>
\n int<\/span> bytes_received =<\/span> recv<\/span>(<\/span>sockfd,<\/span> buffer,<\/span> sizeof<\/span>(<\/span>buffer)<\/span> –<\/span> 1<\/span>,<\/span> 0<\/span>)<\/span>;<\/span>
\n if<\/span> (<\/span>bytes_received ><\/span> 0<\/span>)<\/span> {<\/span>
\n buffer[<\/span>bytes_received]<\/span> =<\/span> '\\\\0'<\/span>;<\/span> \/\/ \u7ec8\u6b62\u5b57\u7b26\u4e32<\/span>
\n printf<\/span>(<\/span>"Response: %s\\\\n"<\/span>,<\/span> buffer)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n printf<\/span>(<\/span>"No response from server\\\\n"<\/span>)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

6. \u767b\u5f55FTP\u670d\u52a1\u5668<\/h4>\n

\u4f7f\u7528\u7528\u6237\u540d\u548c\u5bc6\u7801\u767b\u5f55FTP\u670d\u52a1\u5668\u3002<\/p>\n

void<\/span> ftp_login<\/span>(<\/span>)<\/span> {<\/span>
\n char<\/span> cmd[<\/span>256<\/span>]<\/span>;<\/span>
\n snprintf<\/span>(<\/span>cmd,<\/span> sizeof<\/span>(<\/span>cmd)<\/span>,<\/span> "USER %s\\\\r\\\\n"<\/span>,<\/span> FTP_USERNAME)<\/span>;<\/span>
\n ftp_send_command<\/span>(<\/span>cmd)<\/span>;<\/span>
\n ftp_receive_response<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

snprintf<\/span>(<\/span>cmd,<\/span> sizeof<\/span>(<\/span>cmd)<\/span>,<\/span> "PASS %s\\\\r\\\\n"<\/span>,<\/span> FTP_PASSWORD)<\/span>;<\/span>
\n ftp_send_command<\/span>(<\/span>cmd)<\/span>;<\/span>
\n ftp_receive_response<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

7. \u4e0a\u4f20\u6587\u4ef6<\/h4>\n

\u5b9e\u73b0\u4e0a\u4f20\u6587\u4ef6\u7684\u51fd\u6570\u3002\u4e0a\u4f20\u6587\u4ef6\u9700\u8981\u5207\u6362\u5230\u4e8c\u8fdb\u5236\u6a21\u5f0f\u5e76\u53d1\u9001\u6587\u4ef6\u6570\u636e\u3002<\/p>\n

void<\/span> ftp_upload_file<\/span>(<\/span>const<\/span> char<\/span> *<\/span>filename)<\/span> {<\/span>
\n \/\/ \u53d1\u9001 PASV \u547d\u4ee4\u83b7\u53d6\u6570\u636e\u8fde\u63a5<\/span>
\n ftp_send_command<\/span>(<\/span>"PASV\\\\r\\\\n"<\/span>)<\/span>;<\/span>
\n ftp_receive_response<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u89e3\u6790\u54cd\u5e94\u4ee5\u83b7\u53d6\u6570\u636e\u7aef\u53e3（\u7701\u7565\u5177\u4f53\u89e3\u6790\u4ee3\u7801）<\/span><\/p>\n

\/\/ \u53d1\u9001 TYPE I \u547d\u4ee4\u5207\u6362\u5230\u4e8c\u8fdb\u5236\u6a21\u5f0f<\/span>
\n ftp_send_command<\/span>(<\/span>"TYPE I\\\\r\\\\n"<\/span>)<\/span>;<\/span>
\n ftp_receive_response<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u53d1\u9001 STOR \u547d\u4ee4\u5f00\u59cb\u4e0a\u4f20<\/span>
\n char<\/span> cmd[<\/span>256<\/span>]<\/span>;<\/span>
\n snprintf<\/span>(<\/span>cmd,<\/span> sizeof<\/span>(<\/span>cmd)<\/span>,<\/span> "STOR %s\\\\r\\\\n"<\/span>,<\/span> filename)<\/span>;<\/span>
\n ftp_send_command<\/span>(<\/span>cmd)<\/span>;<\/span>
\n ftp_receive_response<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u6253\u5f00\u6587\u4ef6\u5e76\u53d1\u9001\u6570\u636e<\/span>
\n FILE *<\/span>file =<\/span> fopen<\/span>(<\/span>filename,<\/span> "rb"<\/span>)<\/span>;<\/span>
\n if<\/span> (<\/span>file)<\/span> {<\/span>
\n char<\/span> data[<\/span>1024<\/span>]<\/span>;<\/span>
\n size_t bytesRead;<\/span>
\n while<\/span> (<\/span>(<\/span>bytesRead =<\/span> fread<\/span>(<\/span>data,<\/span> 1<\/span>,<\/span> sizeof<\/span>(<\/span>data)<\/span>,<\/span> file)<\/span>)<\/span> ><\/span> 0<\/span>)<\/span> {<\/span>
\n send<\/span>(<\/span>sockfd,<\/span> data,<\/span> bytesRead,<\/span> 0<\/span>)<\/span>;<\/span>
\n }<\/span>
\n fclose<\/span>(<\/span>file)<\/span>;<\/span>
\n }<\/span> else<\/span> {<\/span>
\n printf<\/span>(<\/span>"Failed to open file\\\\n"<\/span>)<\/span>;<\/span>
\n }<\/span>
\n \/\/ \u5173\u95ed\u6570\u636e\u8fde\u63a5<\/span>
\n \/\/ \u53d1\u9001\u5b8c\u6210\u54cd\u5e94<\/span>
\n ftp_receive_response<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

8. \u5173\u95ed\u8fde\u63a5<\/h4>\n

\u5728\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u540e，\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n

void<\/span> ftp_close<\/span>(<\/span>)<\/span> {<\/span>
\n ftp_send_command<\/span>(<\/span>"QUIT\\\\r\\\\n"<\/span>)<\/span>;<\/span>
\n ftp_receive_response<\/span>(<\/span>)<\/span>;<\/span>
\n close<\/span>(<\/span>sockfd)<\/span>;<\/span>
\n}<\/span><\/p>\n

9. \u5728\u4e3b\u7a0b\u5e8f\u4e2d\u8c03\u7528FTP\u5ba2\u6237\u7aef<\/h4>\n

\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u8c03\u7528\u4ee5\u4e0a\u51fd\u6570\u8fdb\u884cFTP\u64cd\u4f5c\u3002<\/p>\n

int<\/span> main<\/span>(<\/span>void<\/span>)<\/span> {<\/span>
\n \/\/ \u521d\u59cb\u5316\u7f51\u7edc<\/span>
\n lwip_init<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

if<\/span> (<\/span>ftp_connect<\/span>(<\/span>)<\/span> ==<\/span> 0<\/span>)<\/span> {<\/span>
\n ftp_login<\/span>(<\/span>)<\/span>;<\/span>
\n ftp_upload_file<\/span>(<\/span>"local_file.txt"<\/span>)<\/span>;<\/span>
\n ftp_close<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span>
\n \/\/ \u5176\u4ed6\u4ee3\u7801…<\/span>
\n return<\/span> 0<\/span>;<\/span>
\n}<\/span><\/p>\n

\u603b\u7ed3<\/h3>\n

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