{"id":12367,"date":"2025-04-18T19:32:02","date_gmt":"2025-04-18T11:32:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/12367.html"},"modified":"2025-04-18T19:32:02","modified_gmt":"2025-04-18T11:32:02","slug":"stm32%e5%ae%9e%e7%8e%b0esp8266%e8%bf%9e%e6%8e%a5%e5%88%b0tcp%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%88%e4%ba%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/12367.html","title":{"rendered":"stm32\u5b9e\u73b0esp8266\u8fde\u63a5\u5230TCP\u670d\u52a1\u5668\uff08\u4e8c\uff09"},"content":{"rendered":"

1.2 \u8fde\u63a5\u5230TCP Server<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.2.1 \u4f7f\u7528\u7f51\u7edc\u52a9\u624b，\u8bbe\u7acbTCP\u670d\u52a1\u5668<\/p>\n

\"ffeb445201fa4e8e90e47bb5983b9e21.png\"\u200b<\/p>\n

\"25e56e8e7a3441ddaa4389aaa537ae58.png\"\u7f16\u8f91<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.2.2 \u8fde\u63a5\u670d\u52a1\u5668<\/p>\n

AT+CIPSTART="TCP","192.168.1.18",8080 \/\/\u6307\u4ee4，\u6ce8\u610f\u53cc\u5f15\u53f7\u9017\u53f7\u90fd\u8981\u534a\u89d2(\u82f1\u6587)\u8f93\u5165 CONNECT \/\/\u7ed3\u679c：\u6210\u529f OK \/\/\u7ed3\u679c：\u6210\u529f ＯＫ<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01.2.3 \u53d1\u9001\u6570\u636e<\/p>\n

ＡＴ＋ＣＩＰＳＥＮＤ＝４\u3000／／\u8bbe\u7f6e\u5373\u5c06\u53d1\u9001\u6570\u636e\u7684\u957f\u5ea6<\/p>\n

＞ａｂｃｄ\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000／／\u770b\u5230\u5927\u4e8e\u53f7\u540e，\u8f93\u5165\u6d88\u606f，ａｂｃｄ，\u4e0d\u8981\u5e26\u56de\u8f66<\/p>\n

Ｒｅｓｐｏｎｓｅ\u3000：ＳＥＮＤ\u3000ＯＫ\u3000／／\u7ed3\u679c：\u6210\u529f<\/p>\n

／／\u6ce8\u610f，\u8fd9\u79cd\u60c5\u51b5\u4e0b，\u6bcf\u6b21\u53d1\u9001\u524d\u90fd\u8981\u7ebf\u53d1\u9001ＡＴ＋ＣＩＰＳＥＮＤ＝\u957f\u5ea6，\u7684\u6307\u4ee4，\u5728\u53d1\u6570\u636e！<\/p>\n

1.3 \u900f\u4f20<\/p>\n

\u7528ＡＴ\u3000＋\u3000ＣＩＰＳＥＮＤ\u3000＝\u3000４，\u6bcf\u6b21\u53d1\u9001\u6570\u636e\u90fd\u8981\u8fdb\u884c\u5b57\u7b26\u957f\u5ea6\u8bbe\u5b9a<\/p>\n

\u4eca\u5929\u900f\u4f20\u6a21\u5f0f<\/p>\n

AT+CIPMODE=1 \/\/\u5f00\u542f\u900f\u4f20\u6a21\u5f0f<\/p>\n

Response :OK<\/p>\n

AT+CIPSEND \/\/\u5e26\u56de\u8f66<\/p>\n

Response: > \/\/\u8fd9\u4e2a\u65f6\u5019\u968f\u610f\u53d1\u9001\u63a5\u6536\u6570\u636e\u54af<\/p>\n

\u9000\u51fa\u900f\u4f20\u6a21\u5f0f<\/p>\n

\u00a0\u5728\u900f\u4f20\u53d1\u9001\u6570\u636e\u8fc7\u7a0b\u4e2d，\u82e5\u8bc6\u522b\u5230\u5355\u72ec\u7684\u2f00\u5305\u6570\u636e \u201c+++\u201d，\u5219\u9000\u51fa\u900f\u4f20\u53d1\u9001<\/p>\n

\u00a0<\/p>\n

\u00a0 <\/p>\n

\u5934\u6587\u4ef6<\/p>\n

#include "sys.h"
\n#include "esp8266.h"
\n#include "string.h"
\n#include "delay.h"
\n#include "stdarg.h"
\nuint8_t esp8266_tx_buf[ESP8266_TX_BUF_SIZE];
\nuint8_t esp8266_rx_buf[ESP8266_RX_BUF_SIZE]; <\/p>\n

uint16_t esp8266_cnt = 0 ,esp8266_cntPre = 0; \/* esp8266\u63a5\u6536\u7f13\u51b2\u533a *\/<\/p>\n

UART_HandleTypeDef esp8266_handle; \/* esp8266\u53e5\u67c4 *\/<\/p>\n

esp8266\u6a21\u5757\u4e32\u53e3\u914d\u7f6e\u521d\u59cb\u5316<\/p>\n

\/\/\u6b63\u5e38\u4f1a\u6709\u542f\u52a8\u7684\u6d41\u7a0b\u53ea\u662f\u4f5c\u4e3a\u4e00\u4e2a\u4e32\u53e3\u7684\u521d\u59cb\u5316
\nvoid esp8266_uart_init(uint16_t baudrate)
\n{
\n esp8266_handle.Instance = USART2; \/* USART1 *\/
\n esp8266_handle.Init.Baudrate = baudrate; \/*\u6ce2\u7279\u7387*\/
\n esp8266_handle.Init.WordLength= UART_WORDLENGTH_8B;\/*\u5b57\u957f\u4e3a8\u4f4d\u7684\u6570\u636e\u683c\u5f0f\u4f20\u8f93*\/
\n esp8266_handle.Init.StopBits = UART_STOPBITS_1; \/*\u4e00\u4e2a\u505c\u6b62\u4f4d*\/
\n esp8266_handle.Init.Parity = UART_PARITY_NONE; \/*\u65e0\u5947\u5076\u6821\u9a8c\u4f4d*\/
\n esp8266_handle.Init.HwFlowCtl = UART_HWCONTRL_NONE;\/*\u65e0\u786c\u4ef6\u6d41\u63a7\u5236*\/
\n esp8266_handle.Init.Mode = UART_MODE_TX_RX; \/*\u6536\u53d1\u6a21\u5f0f*\/
\n HAL_UART_Init(esp8266_handle);
\n} <\/p>\n

\u6e05\u9664\u63a5\u6536\u7f13\u5b58<\/p>\n

void esp8266_rx_clear(void)
\n{
\n memset(esp8266_rx_buf,0,sizeof(esp8266_rx_buf));
\n esp8266_cnt = 0;
\n} <\/p>\n

\u4e2d\u65ad\u670d\u52a1\u51fd\u6570<\/p>\n

void USART2_IRQHandler(void)
\n{
\n uint8_t receive_data = 0;
\n \/* \u83b7\u53d6\u63a5\u6536RXNE\u6807\u5fd7\u4f4d\u662f\u5426\u88ab\u7f6e\u4f4d *\/
\n if(__HAL_UART_GET_FLAG(&esp8266_handle,UART_FLAG_RXNE) !=RESET)
\n {
\n \/* \u5219\u5c06\u63a5\u6536\u8ba1\u6570\u5668\u6e05\u96f6 *\/
\n if(esp8266_cnt >=sizeof(esp8266_rx_buf))
\n esp8266_cnt = 0;
\n \/* \u63a5\u6536\u4e00\u4e2a\u5b57\u7b26 *\/
\n HAL_UART_Receive(&esp8266_handle,&receive_data, 1,1000);
\n \/* \u5c06\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4fdd\u5b58\u5728\u63a5\u6536\u7f13\u51b2\u533a *\/
\n esp8266_rx_buf[esp8266_cnt++] = receive_data;
\n}
\n \/* \u83b7\u53d6\u63a5\u6536\u7a7a\u95f2\u4e2d\u65ad\u6807\u5fd7\u4f4d\u662f\u5426\u88ab\u7f6e\u4f4d *\/
\n if(__HAL_UART_GET_FLAG(&esp8266_handle,UART_FLAG_IDLE) != RESET)
\n {
\n \/* \u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u6253\u5370\u51fa\u6765 *\/
\n printf("recv: %s\\\\r\\\\n", esp8266_rx_buf);
\n esp8266_rx_clear(); \/* \u6e05\u9664UART\u603b\u7ebf\u7a7a\u95f2\u4e2d\u65ad *\/
\n __HAL_UART_CLEAR_IDLEFLAG(&esp8266_handle)
\n}
\n} <\/p>\n

\u63a5\u6536\u7b49\u5f85<\/p>\n

uint8_t esp8266_wait_receive(void)
\n{
\n if(esp8266_cnt == 0)
\n return ESP8266_ERROR;
\n if(esp8266_cnt == esp8266_cntPre)
\n {
\n esp8266_cnt = 0;
\n return ESP8266_EOK;
\n }
\n esp8266_cntPre = esp8266_cnt;
\n return ESP8266_ERROR;
\n} <\/p>\n

\u53d1\u9001\u547d\u4ee4\u4e0e\u671f\u5f85\u56de\u590d\u51fd\u6570<\/p>\n

uint8_t esp8266_send_command(char *cmd,cahr *res)
\n{
\n uint8_t timeout_out = 250;<\/p>\n

esp8266_rx_clear();\/\/\u9632\u6b62\u7f13\u51b2\u533a\u5185\u7684\u6570\u636e\u5f71\u54cd
\n HAL__UART_Tramsmit(&esp8266_handle,(uint8_t *)cmd,strlen(cmd),100);<\/p>\n

while(timeout_out–)\/\/\u4e0d\u505c\u7684\u7b49\u5f85
\n {
\n if(esp8266_wait_receive() == ESP8266_EOK)
\n {
\n if(strstr(const char *)esp8266_rx_buf, res) != NULL)\/\/\u5224\u65ad\u662f\u5426\u53c8\u6709\u671f\u5f85\u7684\u5b57\u7b26\u4e32
\n return ESP8266_EOK
\n}
\n return ESP8266_ERROR;
\n}
\n} <\/p>\n

\u63a5\u6536\u6570\u636e<\/p>\n

void esp8266_receiv_data(void)
\n{
\n if(esp8266_wait_receive() = ESP8266_EOK)
\n {
\n printf("esp8266 recv: %s\\\\r\\\\n",esp8266_rx_buf);
\n esp8266_rx_clear();
\n }
\n} <\/p>\n

\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e<\/p>\n

void esp8266_send_data(char *fmt, …)
\n{
\n va_list ap;
\n uint16_len;<\/p>\n

va_start(ap,fmt);
\n vsprintf((char *)esp8266_tx_buf,fmt,ap);
\n va_end(ap);<\/p>\n

len = strlen((const char*)esp8266_tx_buf);
\n HAL__UART_Transmit(&esp8266_handle,esp8266_tx_buf,len,100);\/\/ \u53d1\u9001
\n} <\/p>\n

at\u6d4b\u8bd5\u6307\u4ee4<\/p>\n

uint8_t esp8266_at_test(void)
\n{
\n return esp8266_send_command("AT\\\\r\\\\n", "OK");\/\/\u8bb0\u5f97\u52a0\u56de\u8f66
\n}<\/p>\n

\u6a21\u5f0f\u8bbe\u7f6e\u51fd\u6570\u5c01\u88c5<\/p>\n

uint8_t esp8266_set_mode(uint8_t mode)
\n{
\n switch(mode)
\n{
\n case ESP8266_STA_MODE:
\n return esp8266_send_command("AT+CWMODE=1\\\\r\\\\n");
\n case ESP8266_AP_MODE:
\n return esp8266_send_command("AT+CWMODE=2\\\\r\\\\n");
\n case ESP8266_STA_AP_MODE:
\n return esp8266_send_command("AT+CWMODE=3\\\\r\\\\n");
\n default:
\n return esp8266_EINVL;
\n}
\n} <\/p>\n

\u52a0\u5165\u670d\u52a1\u5668\u8f93\u5165\u8d26\u53f7\u5bc6\u7801<\/p>\n

uint8_t esp8266_join_ap(char *ssid,char *pwd)
\n{
\n char cmd[64];
\n sprintf(cmd, "AT+CWJAP=\\\\"%s\\\\",\\\\"%s\\\\"\\\\r\\\\n",ssid,pwd);\/\/\u4f5c\u4e3a\u6a21\u5f0f\u4f20\u8f93\u8fdb\u5165
\n return esp8266_send_command(cmd."OK");
\n} <\/p>\n

\u8bbe\u7f6e\u5355\u8def\u8fde\u63a5\u7684esp8266\u8fde\u63a5\u6a21\u5f0f<\/p>\n

\/*\u8bbe\u7f6e\u5355\u8def\u8fde\u63a5\u7684\u6a21\u5f0f（\u900f\u4f20\u53ea\u80fd\u7528\u6b64\u6a21\u5f0f）*\/
\nuint8_t esp8266_connect_mode(uint8_t mode)
\n{
\n char cmd[64];
\n sprintf(cmd,"AT+CIPMUX=%d\\\\r\\\\n",mode);
\n return esp8266_send_command(cmd,"OK");\/\/\u53d1\u9001cmd\u6307\u4ee4\u671f\u5f85\u56de\u590dOK
\n} <\/p>\n

\u8fde\u63a5tcp\u670d\u52a1\u5668<\/p>\n

uint8_t esp8266_connect_tcp_sever(char *server_ip,char *server port)
\n{
\n char cmd[64];
\n sprintf(cmd,"AT+CIPSTART=\\\\"TCP\\\\",\\\\"%s\\\\",%s\\\\r\\\\n",server_ip,server_port);
\n return esp8266_send_command,"CONNECT");
\n} <\/p>\n

\u8fdb\u5165\u900f\u4f20\u6a21\u5f0f<\/p>\n

uint8_t esp8266_enter_unvarnished(void)\/\/\u8fdb\u5165\u900f\u4f20\u6a21\u5f0f
\n{
\n uint8_t ret;<\/p>\n

ret = esp8266_send_command("AT+CIPMODE=1\\\\r\\\\n","OK");
\n ret += esp8266_send_command("AT+CIPSEND\\\\r\\\\n",">");\/\/\u8c03\u7528\u6307\u4ee4\u51fd\u6570
\n if(ret == ESP8266_EOK)
\n return ESP8266_EOK;
\n else
\n return ESP8266_ERROR;
\n} <\/p>\n

esp8266\u521d\u59cb\u5316<\/p>\n

uint8_t esp8266_init(uint32_t baudrate)
\n{
\n printf("esp8266\u521d\u59cb\u5316\u5f00\u59cb…\\\\r\\\\n");
\n esp8266_init_uart(baudrate);<\/p>\n

printf("1. \u6d4b\u8bd5esp8266\u662f\u5426\u5b58\u5728\\\\r\\\\n")
\n while(esp8266_at_test())
\n delay_ms(500);<\/p>\n

printf("2. \u8bbe\u7f6e\u5de5\u4f5c\u6a21\u5f0f\u4e3aSTA…\\\\r\\\\n");
\n while(esp8266_set_mode(ESP8266_STA_MODE)
\n delay_ms(500);<\/p>\n

printf("3. \u8bbe\u7f6e\u5355\u8def\u94fe\u63a5\u6a21\u5f0f\\\\r\\\\n");
\n while(esp8266_connect_mode(ESP8266_SINGLE_CONNECTION))
\n delay_ms(500);<\/p>\n

printf("4. \u8fde\u63a5wifi,SSID: %s ,PWD:%s\\\\r\\\\n",WIFI_SSID,WIFI_PWD);
\n while(esp8266_join_ap(WIFI_SSID,WIFI,PWD))
\n delay_ms(1500);\/\/\u65f6\u95f4\u957f\u4e00\u4e9b<\/p>\n

printf("6. \u8fdb\u5165\u900f\u4f20\u6a21\u5f0f…\\\\r\\\\n");
\n while(esp8266_enter_unvarnished())
\n delay_ms(500);<\/p>\n

print("esp8266\u5df2\u7ecf\u8fde\u63a5\u4e0atcp\u670d\u52a1\u5668\u5e76\u8fdb\u5165\u900f\u4f20\u6a21\u5f0f")
\n} <\/p>\n

\u6d4b\u8bd5\u51fd\u6570<\/p>\n

void esp8266_test(void)
\n{
\nesp8266_send_data("this is from esp8266\\\\r\\\\n");
\nesp8266_receiv_data();
\n}<\/p>\n

main\u51fd\u6570<\/p>\n

#include "delay.h"
\n#include "led.h"
\n#include "uart1.h"
\n#include "esp8266.h"
\nint main(void)
\n{
\n HAL_Init(); \/* \u521d\u59cb\u5316HAL\u5e93 *\/
\n stm32_clock_init(RCC_PLL_MUL9); \/* \u8bbe\u7f6e\u65f6\u949f, 72Mhz *\/
\n led_init();\/* LED\u521d\u59cb\u5316 *\/<\/p>\n

uart1_init(115200);
\nesp8266_init(115200);
\nprintf("helloworld!\\\\r\\\\n");
\n while(1)
\n {
\nesp8266_test();
\ndelay_ms(500);
\n }
\n}<\/p>\n

2. ESP8266\u4f5c\u4e3a\u670d\u52a1\u5668<\/p>\n

USB\u8f6cTTL\u63d2\u5165\u7535\u8111，TX–RX RX-TX VCC-3.3V GND-GND<\/p>\n

\u67e5\u8be2IP\u5730\u5740：AT+CIFSR<\/p>\n

\/\/1 \u914d\u7f6e\u6210AP\u6a21\u5f0f<\/p>\n

AT+CWMODE=2<\/p>\n

Response :OK<\/p>\n

\/\/2 \u4f7f\u80fd\u591a\u94fe\u63a5<\/p>\n

AT+CIPMUX=1 Response :OK<\/p>\n

\/\/3 \u5efa\u7acbTCPServer<\/p>\n

AT+CIPSERVER=1 \/\/ default port = 333 Response :OK<\/p>\n

\/\/4 \u53d1\u9001\u6570\u636e<\/p>\n

AT+CIPSEND=0,4\u00a0 \u00a0 \u00a0 \/\/ \u53d1\u90014\u4e2a\u5b57\u8282\u5728\u8fde\u63a50\u901a\u9053\u4e0a >abcd\/\/\u8f93\u5165\u6570\u636e，<\/p>\n

Response :SEND OK \/\/\u4e0d\u5e26\u56de\u8f66<\/p>\n

\/\/5 \u63a5\u6536\u6570\u636e<\/p>\n

+IPD, 0, n: xxxxxxxxxx \/\/+IPD\u662f\u56fa\u5b9a\u5b57\u7b26\u4e32 0\u662f\u901a\u9053，n\u662f\u6570\u636e\u957f\u5ea6，xxx\u662f\u6570\u636e<\/p>\n

\/\/\u65ad\u5f00\u8fde\u63a5<\/p>\n

AT+CIPCLOSE=0<\/p>\n

Response :0, CLOSED OK<\/p>\n

\u00a0\u5934\u6587\u4ef6<\/p>\n

#include "sys.h"
\n#include "esp8266.h"
\n#include "string.h"
\n#include "delay.h"
\n#include "stdarg.h"<\/p>\n

uint8_t esp8266_tx_buf[ESP8266_TX_BUF_SIZE];
\nuint8_t esp8266_rx_buf[ESP8266_RX_BUF_SIZE]; <\/p>\n

uint16_t esp8266_cnt = 0 ,esp8266_cntPre = 0; \/* esp8266\u63a5\u6536\u7f13\u51b2\u533a *\/<\/p>\n

UART_HandleTypeDef esp8266_handle; \/* esp8266\u53e5\u67c4 *\/ <\/p>\n

esp8266\u4e32\u53e3\u521d\u59cb\u5316\u914d\u7f6e<\/p>\n

void esp8266_uart_init(uint32_t baudrate)\/\/\u6b63\u5e38\u4f1a\u6709\u542f\u52a8\u7684\u6d41\u7a0b\u53ea\u662f\u4f5c\u4e3a\u4e00\u4e2a\u4e32\u53e3\u7684\u521d\u59cb\u5316
\n{
\n \/*esp8266 \u521d\u59cb\u5316\u8bbe\u7f6e*\/
\n esp8266_handle.Instance = USART2; \/* USART1 *\/
\n esp8266_handle.Init.BaudRate = baudrate; \/* \u6ce2\u7279\u7387 *\/
\n esp8266_handle.Init.WordLength = UART_WORDLENGTH_8B; \/* \u5b57\u957f\u4e3a8\u4f4d\u6570\u636e\u683c\u5f0f*\/
\n esp8266_handle.Init.StopBits = UART_STOPBITS_1; \/* \u4e00\u4e2a\u505c\u6b62\u4f4d *\/
\n esp8266_handle.Init.Parity = UART_PARITY_NONE; \/* \u65e0\u5947\u5076\u6821\u9a8c\u4f4d *\/
\n esp8266_handle.Init.HwFlowCtl = UART_HWCONTROL_NONE; \/* \u65e0\u786c\u4ef6\u6d41\u63a7 *\/
\n esp8266_handle.Init.Mode = UART_MODE_TX_RX; \/* \u6536\u53d1\u6a21\u5f0f *\/
\n HAL_UART_Init(&esp8266_handle); \/*\u4f1a\u4f7f\u80fdesp8266 *\/
\n} <\/p>\n

\u63a5\u6536\u7f13\u51b2\u533a\u914d\u7f6e<\/p>\n

void esp8266_rx_clear(void)
\n{
\n memset(esp8266_rx_buf, 0, sizeof(esp8266_rx_buf)); \/* \u6e05\u7a7a\u63a5\u6536\u7f13\u51b2\u533a *\/
\n esp8266_cnt = 0; \/* \u63a5\u6536\u8ba1\u6570\u5668\u6e05\u96f6 *\/
\n} <\/p>\n

\u4e2d\u65ad\u670d\u52a1\u51fd\u6570<\/p>\n

void USART2_IRQHandler(void)
\n{
\n uint8_t receive_data = 0;
\n if(__HAL_UART_GET_FLAG(&esp8266_handle, UART_FLAG_RXNE) != RESET){\/* \u83b7\u53d6\u63a5\u6536RXNE\u6807\u5fd7\u4f4d\u662f\u5426\u88ab\u7f6e\u4f4d *\/
\n if(esp8266_cnt >= sizeof(esp8266_rx_buf)) \/* \u5982\u679c\u63a5\u6536\u7684\u5b57\u7b26\u6570\u5927\u4e8e\u63a5\u6536\u7f13\u51b2\u533a\u5927\u5c0f， *\/
\n esp8266_cnt = 0; \/* \u5219\u5c06\u63a5\u6536\u8ba1\u6570\u5668\u6e05\u96f6 *\/
\n HAL_UART_Receive(&esp8266_handle, &receive_data, 1, 1000); \/* \u63a5\u6536\u4e00\u4e2a\u5b57\u7b26 *\/
\n esp8266_rx_buf[esp8266_cnt++] = receive_data; \/* \u5c06\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4fdd\u5b58\u5728\u63a5\u6536\u7f13\u51b2\u533a *\/
\n }<\/p>\n

if (__HAL_UART_GET_FLAG(&esp8266_handle, UART_FLAG_IDLE) != RESET) \/* \u83b7\u53d6\u63a5\u6536\u7a7a\u95f2\u4e2d\u65ad\u6807\u5fd7\u4f4d\u662f\u5426\u88ab\u7f6e\u4f4d *\/
\n {
\n printf("recv: %s\\\\r\\\\n", esp8266_rx_buf); \/* \u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u6253\u5370\u51fa\u6765 *\/
\n esp8266_rx_clear();
\n __HAL_UART_CLEAR_IDLEFLAG(&esp8266_handle); \/* \u6e05\u9664UART\u603b\u7ebf\u7a7a\u95f2\u4e2d\u65ad *\/
\n }
\n} <\/p>\n

\u7b49\u5f85\u63a5\u6536\u51fd\u6570<\/p>\n

uint8_t esp8266_wait_receive(void)
\n{
\nif(esp8266_cnt == 0)
\nreturn ESP8266_ERROR;
\nif(esp8266_cnt == esp8266_cntPre)
\n{
\nesp8266_cnt = 0;
\nreturn ESP8266_EOK;
\n}
\nesp8266_cntPre = esp8266_cnt;
\nreturn ESP8266_ERROR;
\n} <\/p>\n

\u53d1\u9001\u6307\u4ee4\u5e76\u671f\u5f85\u8fd4\u56de\u503c<\/p>\n

uint8_t esp8266_send_command(char *cmd,char *res)\/\/\u53d1\u9001\u4e00\u4e2a\u6307\u4ee4\u53bb \u5728\u6307\u5b9a\u65f6\u95f4\u5185\u8fd4\u56de\u56de\u6765 \u5426\u5219\u6ca1\u6709\u63a5\u6536\u5230\u4e00\u4e2a\u8fd4\u56de\u503c
\n{
\nuint8_t timeout_out = 250;<\/p>\n

esp8266_rx_clear(); \/\/\u9632\u6b62\u5fcd\u5fc3\u5185\u7684\u6570\u636e\u5f71\u54cd
\nHAL_UART_Transmit(&esp8266_handle,(uint8_t *)cmd,strlen(cmd),100);\/\/\u53d1\u9001\u547d\u4ee4 cmd\u5728\u8fd9\u91cc\u662f\u4e00\u4e2auint8_t\u7684\u6570\u636e \u957f\u5ea6 \u963b\u585e\u7684\u503c
\n\/\/\u7b49\u5f85
\nwhile(timeout_out–)\/\/\u4e0d\u505c\u7684\u7b49\u5f85
\n{
\nif(esp8266_wait_receive() == ESP8266_EOK)
\n{
\nif(strstr((const char*)esp8266_rx_buf, res) != NULL)\/\/\u5224\u65ad\u662f\u5426\u53c8\u6709\u671f\u5f85\u7684\u5b57\u7b26\u4e32
\nreturn ESP8266_EOK;
\n}
\ndelay_ms(10);
\n}
\nreturn ESP8266_ERROR;\/\/\u5426\u5219\u63a5\u6536\u9519\u8bef<\/p>\n

}<\/p>\n

\u63a5\u6536\u6570\u636e<\/p>\n

\/\/\u63a5\u6536\u7684\u51fd\u6570
\nvoid esp8266_receiv_data(void)
\n{
\nif(esp8266_wait_receive() == ESP8266_EOK)
\n{
\nprintf("esp8266 recv: %s\\\\r\\\\n", esp8266_rx_buf);
\nesp8266_rx_clear();
\n}
\n}<\/p>\n

\u53d1\u9001\u4e0d\u5b9a\u957f\u6570\u636e<\/p>\n

\/\/\u53d1\u9001\u7684\u51fd\u6570 \u4e0d\u5b9a\u957f\u6570\u636e \u53c2\u6570\u4e0d\u56fa\u5b9a
\nvoid esp8266_send_data(char *fmt, …)
\n{
\nva_list ap;
\nuint16_t len;<\/p>\n

va_start(ap,fmt);
\nvsprintf((char *)esp8266_tx_buf,fmt, ap);
\nva_end(ap);<\/p>\n

len = strlen((const char*)esp8266_tx_buf);
\nHAL_UART_Transmit(&esp8266_handle, esp8266_tx_buf, len,100);\/\/\u53d1\u9001
\n} <\/p>\n

\u8bbe\u7f6ea\u6a21\u5757\u662f\u5426\u5b58\u5728\u6d4b\u8bd5<\/p>\n

uint8_t esp8266_at_test(void)
\n{
\nreturn esp8266_send_command("AT\\\\r\\\\n", "OK");\/\/\u8bb0\u5f97\u52a0\u56de\u8f66\u6362\u884c\u624d\u80fd\u4f5c\u4e3a\u6307\u4ee4\u53d1\u9001\u671f\u5f85\u8fd4\u56de\u503c\u4e3aOK \u76f4\u63a5\u4f5c\u4e3a\u8fd4\u56de\u503c\u53d1\u9001<\/p>\n

} <\/p>\n

\u8bbe\u7f6e\u6a21\u5f0f<\/p>\n

uint8_t esp8266_set_mode(uint8_t mode)\/\/s\u56db\u4e2a\u51fd\u6570
\n{
\nswitch(mode)
\n{
\ncase ESP8266_STA_MODE:
\nreturn esp8266_send_command("AT+CWMODE=1\\\\r\\\\n","OK");<\/p>\n

case ESP8266_AP_MODE:
\nreturn esp8266_send_command("AT+CWMODE=2\\\\r\\\\n","OK");<\/p>\n

case ESP8266_STA_AP_MODE:
\nreturn esp8266_send_command("AT+CWMODE=3\\\\r\\\\n","OK");<\/p>\n

default:
\nreturn ESP8266_EINVAL;\/\/\u5982\u679c\u6307\u4ee4\u4e0d\u5b58\u5728
\n}
\n}<\/p>\n

\u52a0\u5165AP<\/p>\n

uint8_t esp8266_join_ap(char *ssid,char *pwd)\/\/\u8d26\u53f7\u5bc6\u7801
\n{
\nchar cmd[64];
\nsprintf(cmd, "AT+CWJAP=\\\\"%s\\\\",\\\\"%s\\\\"\\\\r\\\\n",ssid,pwd);\/\/\\\\"HUAWEIAP-1\\\\",=\\\\"%s\\\\ \u5c31\u6307\u4ee4\u5e26\u5f15\u53f7\u76f4\u63a5\u5199\u4e0d\u884c，\u6211\u4eec\u9700\u8981\u5982\u6b64\u5c31\u4e0d\u4f1a\u5c06\u201c\u201d\u8ba4\u4e3a\u662f\u914d\u5bf9\u7684
\nreturn esp8266_send_command(cmd,"WIFI GOT IP");;\/\/\u8c03\u7528\u6307\u4ee4\u51fd\u6570
\n} <\/p>\n

\u8fde\u63a5\u6a21\u5f0f<\/p>\n

uint8_t esp8266_connect_mode(uint8_t mode)\/\/\u8bbe\u7f6e\u5355\u8def\u8fde\u63a5\u7684\u6a21\u5f0f（\u900f\u4f20\u53ea\u80fd\u7528\u6b64\u6a21\u5f0f）
\n{
\nchar cmd[64];
\nsprintf(cmd, "AT+CIPMUX=%d\\\\r\\\\n",mode);\/\/\u4f5c\u4e3a\u6a21\u5f0f\u4f20\u8f93\u8fdb\u5165
\nreturn esp8266_send_command(cmd,"OK");;\/\/\u8c03\u7528\u6307\u4ee4\u51fd\u6570
\n}
\n\/\/\u8fde\u63a5TCP\u670d\u52a1\u5668 <\/p>\n

esp8266_\u8fde\u63a5\u6a21\u5f0f<\/p>\n

uint8_t esp8266_connect_mode(uint8_t mode)\/\/\u8bbe\u7f6e\u5355\u8def\u8fde\u63a5\u7684\u6a21\u5f0f（\u900f\u4f20\u53ea\u80fd\u7528\u6b64\u6a21\u5f0f）
\n{
\nchar cmd[64];
\nsprintf(cmd, "AT+CIPMUX=%d\\\\r\\\\n",mode);\/\/\u4f5c\u4e3a\u6a21\u5f0f\u4f20\u8f93\u8fdb\u5165
\nreturn esp8266_send_command(cmd,"OK");;\/\/\u8c03\u7528\u6307\u4ee4\u51fd\u6570
\n} <\/p>\n

\u00a0esp8266\u8fde\u63a5tpc\u670d\u52a1\u5668ip\u548c\u7aef\u53e3<\/p>\n

uint8_t esp8266_connect_tcp_server(char *server_ip,char*server_port)
\n{
\nchar cmd[64];
\nsprintf(cmd, "AT+CIPSTART=\\\\"TCP\\\\",\\\\"%s\\\\",%s\\\\r\\\\n",server_ip,server_port);\/\/\u4f5c\u4e3a\u6a21\u5f0f\u4f20\u8f93\u8fdb\u5165
\nreturn esp8266_send_command(cmd,"CONNECT");;\/\/\u8c03\u7528\u6307\u4ee4\u51fd\u6570
\n} <\/p>\n

\u8fdb\u5165\u900f\u4f20\u6a21\u5f0f<\/p>\n

uint8_t esp8266_enter_unvarnished(void)\/\/\u53d1\u9001\u7684\u6a21\u5f0f
\n{
\nuint8_t ret;\/\/\u53d6\u5de7\u7684\u65b9\u5f0f\u5b9a\u4e49\u4e00\u4e2a\u8fd4\u56de\u503c
\n\/\/\u4e24\u6b21\u8fd4\u56de\u503c\u90fd\u7b49\u4e8e0，\u5982\u679c\u6709\u4e00\u4e2a\u4e0d\u4e3a0\u5c31\u4e3a\u4e0d\u4e3a\u96f6\u7684\u60c5\u51b5
\nret = esp8266_send_command("AT+CIPMODE=1\\\\r\\\\n","OK");;\/\/\u8c03\u7528\u6307\u4ee4\u51fd\u6570
\nret += esp8266_send_command("AT+CIPSEND\\\\r\\\\n",">");;\/\/\u8c03\u7528\u6307\u4ee4\u51fd\u6570
\nif(ret == ESP8266_EOK)
\nreturn ESP8266_EOK;
\nelse
\nreturn ESP8266_ERROR;
\n}<\/p>\n

\u5efa\u7acbtcp\u670d\u52a1\u5668<\/p>\n

uint8_t esp8266_build_tcp_server(void)
\n{
\nreturn esp8266_send_command("AT+CIPSERVER=1\\\\r\\\\n","OK");\/\/\u53d1\u9001AT+CIPSEVER=1,\u671f\u5f85\u56de\u590dOK
\n}<\/p>\n

\u521d\u59cb\u5316esp8266<\/p>\n

void esp8266_init(uint32_t baudrate)\/\/\u6240\u4ee5\u589e\u52a0\u65b0\u6dfb\u52a0\u4e00\u4e2a
\n{
\nprintf("esp8266\u521d\u59cb\u5316\u5f00\u59cb…\\\\r\\\\n");
\nesp8266_uart_init(baudrate);<\/p>\n

printf("1. \u6d4b\u8bd5esp8266\u662f\u5426\u5b58\u5728\\\\r\\\\n");
\nwhile(esp8266_at_test())\/\/esp8266_at_test();\u4e5f\u662f\u53ef\u4ee5\u7684\u4e0d\u8fc7\u4e00\u76f4\u4e0d\u6210\u529f\u90a3\u5c31\u4e00\u76f4\u7b49\u5f85\u66f4\u4e3a\u4fdd\u9669
\ndelay_ms(500);<\/p>\n

printf("2. \u8bbe\u7f6e\u5de5\u4f5c\u6a21\u5f0f\u4e3aAP…\\\\r\\\\n");
\nwhile(esp8266_set_mode(ESP8266_AP_MODE))
\ndelay_ms(500);<\/p>\n

printf("3. \u8bbe\u7f6e\u591a\u8def\u94fe\u63a5\u6a21\u5f0f\\\\r\\\\n");
\nwhile(esp8266_connect_mode(ESP8266_MULTI_CONNECTION))
\ndelay_ms(500);
\nprintf("4. \u5efa\u7acbTCP\u670d\u52a1\u5668…\\\\r\\\\n");
\nwhile(esp8266_build_tcp_server())
\ndelay_ms(500);<\/p>\n

printf("esp8266\u521d\u59cb\u5316\u5b8c\u6210…\\\\r\\\\n");<\/p>\n

\/\/esp8266\u7684\u5176\u4ed6\u521d\u59cb\u5316
\n} <\/p>\n

esp8266\u521d\u59cb\u5316\u6d4b\u8bd5<\/p>\n

\/\/\u6d4b\u8bd5\u51fd\u6570
\nvoid esp8266_test(void)
\n{
\nesp8266_send_data("this is from esp8266\\\\r\\\\n");
\nesp8266_receiv_data();
\n} <\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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