C51_day6:WIFI模块

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我是靠谱客的博主无奈早晨，最近开发中收集的这篇文章主要介绍C51_day6:WIFI模块，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

wifi模块01_AT指令

先通过连接wifi从而连接网络，再连接服务器

#include "reg52.h"
#include "intrins.h"
#include <string.h>
#define SIZE 12
sfr AUXR = 0x8E;
sbit D5 = P3^7;
char cmd[SIZE];
code char LJWL[]
= "AT+CWJAP="TP-LINK_3E30","18650711783"rn";
code char LJFWQ[] = "AT+CIPSTART="TCP","192.168.0.113",8880rn";
char TCMS[]
= "AT+CIPMODE=1rn";
char SJCS[]
= "AT+CIPSENDrn";
void UartInit(void)
//9600bps@11.0592MHz
{
AUXR = 0x01;
SCON = 0x50; //配置串口工作方式1，REN使能接收
TMOD &= 0xF0;
TMOD |= 0x20;//定时器1工作方式位8位自动重装
TH1 = 0xFD;
TL1 = 0xFD;//9600波特率的初值
TR1 = 1;//启动定时器
EA = 1;//开启总中断
ES = 1;//开启串口中断
}
void Delay1000ms()
//@11.0592MHz
{
unsigned char i, j, k;
_nop_();
i = 8;
j = 1;
k = 243;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
void sendByte(char data_msg)
{
SBUF = data_msg;
while(!TI);
TI = 0;
}
void sendString(char* str)
{
while( *str != ''){
sendByte(*str);
str++;
}
}
void main()
{
D5 = 1;
//配置C51串口的通信方式
UartInit();
while(1){
//Delay1000ms();
//往发送缓冲区写入数据，就完成数据的发送
//sendString("chenlichen shuairn");
sendString(LJWL);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
sendString(LJFWQ);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
sendString(TCMS);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
sendString(SJCS);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
}
}
void Uart_Handler() interrupt 4
{
static int i = 0;//静态变量，被初始化一次
if(RI)//中断处理函数中，对于接收中断的响应
{
RI = 0;//清除接收中断标志位
cmd[i] = SBUF;
i++;
if(i == SIZE){
i = 0;
}
if(strstr(cmd,"en")){
D5 = 0;//点亮D5
i = 0;
memset(cmd,'',SIZE);
}
if(strstr(cmd,"se")){
D5 = 1;//熄灭D5
i = 0;
memset(cmd,'',SIZE);
}
}
if(TI);
}

wifi模块02_通过TCP通信点灯

#include "reg52.h"
#include "intrins.h"
#include <string.h>
#define SIZE 12
sfr AUXR = 0x8E;
sbit D5 = P3^7;
char cmd[SIZE];
code char LJWL[]
= "AT+CWJAP="TP-LINK_3E30","18650711783"rn";
code char LJFWQ[] = "AT+CIPSTART="TCP","192.168.0.113",8880rn";
char TCMS[]
= "AT+CIPMODE=1rn";
char SJCS[]
= "AT+CIPSENDrn";
void UartInit(void)
//9600bps@11.0592MHz
{
AUXR = 0x01;
SCON = 0x50; //配置串口工作方式1，REN使能接收
TMOD &= 0xF0;
TMOD |= 0x20;//定时器1工作方式位8位自动重装
TH1 = 0xFD;
TL1 = 0xFD;//9600波特率的初值
TR1 = 1;//启动定时器
EA = 1;//开启总中断
ES = 1;//开启串口中断
}
void Delay1000ms()
//@11.0592MHz
{
unsigned char i, j, k;
_nop_();
i = 8;
j = 1;
k = 243;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
void sendByte(char data_msg)
{
SBUF = data_msg;
while(!TI);
TI = 0;
}
void sendString(char* str)
{
while( *str != ''){
sendByte(*str);
str++;
}
}
void main()
{
int mark = 0;
D5 = 1;
//配置C51串口的通信方式
UartInit();
while(1){
//Delay1000ms();
//往发送缓冲区写入数据，就完成数据的发送
//sendString("chenlichen shuairn");
if(mark == 0){
sendString(LJWL);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
sendString(LJFWQ);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
sendString(TCMS);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
sendString(SJCS);
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
Delay1000ms();
mark = 1;
}else{
sendString("chenlichen shuairn");
Delay1000ms();
}
}
}
void Uart_Handler() interrupt 4
{
static int i = 0;//静态变量，被初始化一次
if(RI)//中断处理函数中，对于接收中断的响应
{
RI = 0;//清除接收中断标志位
cmd[0] = SBUF;
if(cmd[0] == '1'){
D5 = 0;//点亮D5
}
if(cmd[0] == '0'){
D5 = 1;//熄灭D5
}
}
if(TI);
}

wifi模块03_优化连接过程

#include "reg52.h"
#include "intrins.h"
#include <string.h>
#define SIZE 12
sfr AUXR = 0x8E;
sbit D5 = P3^7;
sbit D6 = P3^6;
char buffer[SIZE];
code char LJWL[]
= "AT+CWJAP="TP-LINK_3E30","18650711783"rn"; //入网指令
code char LJFWQ[] = "AT+CIPSTART="TCP","192.168.0.113",8880rn"; //连接服务器指令
char TCMS[]
= "AT+CIPMODE=1rn";
//透传指令
char SJCS[]
= "AT+CIPSENDrn";	//数据传输开始指令
char RESET[] = "AT+RSTrn";
//重启模块指令
char AT_OK_Flag = 0;
//OK返回值的标志位
char AT_Connect_Net_Flag = 0;
//WIFI GOT IP返回值的标志位
void UartInit(void)
//9600bps@11.0592MHz
{
AUXR = 0x01;
SCON = 0x50; //配置串口工作方式1，REN使能接收
TMOD &= 0xF0;
TMOD |= 0x20;//定时器1工作方式位8位自动重装
TH1 = 0xFD;
TL1 = 0xFD;//9600波特率的初值
TR1 = 1;//启动定时器
EA = 1;//开启总中断
ES = 1;//开启串口中断
}
void Delay1000ms()
//@11.0592MHz
{
unsigned char i, j, k;
_nop_();
i = 8;
j = 1;
k = 243;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
void sendByte(char data_msg)
{
SBUF = data_msg;
while(!TI);
TI = 0;
}
void sendString(char* str)
{
while( *str != ''){
sendByte(*str);
str++;
}
}
void main()
{
int mark = 0;
D5 = D6 = 1;//灭状态灯
//配置C51串口的通信方式
UartInit();
Delay1000ms();//给espwifi模块上电时间
//发送联网AT指令并等待成功
sendString(LJWL);
//while(!AT_Connect_Net_Flag);
while(!AT_OK_Flag);
AT_OK_Flag = 0;
//发送连服务器指令并等待成功
sendString(LJFWQ);
while(!AT_OK_Flag);
AT_OK_Flag = 0;
//发送透传模式指令并等待成功
sendString(TCMS);
while(!AT_OK_Flag);
AT_OK_Flag = 0;
//发送数据传输指令并等待成功
sendString(SJCS);
while(!AT_OK_Flag);
if(AT_Connect_Net_Flag){
D5 = 0;//点亮D5,代表入网成功
}
if(AT_OK_Flag){
D6 = 0;//点亮D6,代表连接服务器并打开透传模式成功
}
while(1){
Delay1000ms();
//“心跳包”
sendString("chenlichen shuairn");
}
}
void Uart_Handler() interrupt 4
{
static int i = 0;//静态变量，被初始化一次
char tmp;
if(RI)//中断处理函数中，对于接收中断的响应
{
RI = 0;//清除接收中断标志位
tmp = SBUF;
if(tmp == 'W' || tmp == 'O' || tmp == 'L' || tmp == 'F'){
i = 0;
}
buffer[i++] = tmp;
//入网成功的判断依据WIFI GOT IP
if(buffer[0] == 'W' && buffer[5] == 'G'){
AT_Connect_Net_Flag	= 1;
memset(buffer, '', SIZE);
}
//连接服务器等OK返回值指令的判断
if(buffer[0] == 'O' && buffer[1] == 'K'){
AT_OK_Flag	= 1;
memset(buffer, '', SIZE);
}
//联网失败出现FAIL字样捕获
if(buffer[0] == 'F' && buffer[1] == 'A'){
for(i=0;i<5;i++){
D5 = 0;
Delay1000ms();
D5 = 1;
Delay1000ms();
}
sendString(RESET);
memset(buffer, '', SIZE);
}
//灯控指令
if(buffer[0] == 'L' && buffer[2] == '1'){
D5 = 0;//点亮D5
memset(buffer, '', SIZE);
}
if(buffer[0] == 'L' && buffer[2] == '0'){
D5 = 1;//熄灭D5
memset(buffer, '', SIZE);
}
if(i == 12) i = 0;
}
}

wifi模块04_esp工作在路由服务器模式

#include "reg52.h"
#include "intrins.h"
#include <string.h>
#define SIZE 12
sfr AUXR = 0x8E;
sbit D5 = P3^7;
sbit D6 = P3^6;
char buffer[SIZE];
//1 工作在路由模式
char LYMO[] = "AT+CWMODE=2rn";
//2 使能多链接
char DLJ[] = "AT+CIPMUX=1rn";
//3 建立TCPServer
char JLFW[] = "AT+CIPSERVER=1rn"; // default port = 333
//发送数据
char FSSJ[] = "AT+CIPSEND=0,5rn";
char AT_OK_Flag = 0;
//OK返回值的标志位
char AT_Connect_Net_Flag = 0;
//WIFI GOT IP返回值的标志位
char Client_Connect_Flag = 0;
void UartInit(void)
//9600bps@11.0592MHz
{
AUXR = 0x01;
SCON = 0x50; //配置串口工作方式1，REN使能接收
TMOD &= 0xF0;
TMOD |= 0x20;//定时器1工作方式位8位自动重装
TH1 = 0xFD;
TL1 = 0xFD;//9600波特率的初值
TR1 = 1;//启动定时器
EA = 1;//开启总中断
ES = 1;//开启串口中断
}
void Delay1000ms()
//@11.0592MHz
{
unsigned char i, j, k;
_nop_();
i = 8;
j = 1;
k = 243;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
void sendByte(char data_msg)
{
SBUF = data_msg;
while(!TI);
TI = 0;
}
void sendString(char* str)
{
while( *str != ''){
sendByte(*str);
str++;
}
}
void main()
{
int mark = 0;
D5 = D6 = 1;//灭状态灯
//配置C51串口的通信方式
UartInit();
Delay1000ms();//给espwifi模块上电时间
sendString(LYMO);
while(!AT_OK_Flag);
AT_OK_Flag = 0;
sendString(DLJ);
while(!AT_OK_Flag);
AT_OK_Flag = 0;
sendString(JLFW);
while(!Client_Connect_Flag);
AT_OK_Flag = 0;
if(Client_Connect_Flag){
D5 = 0;//点亮D5,代表有客户端接入
D6 = 0;
}
while(1){
//4 发送数据
sendString(FSSJ);
Delay1000ms();
Delay1000ms();
sendString("Hello");
Delay1000ms();
Delay1000ms();
}
}
void Uart_Handler() interrupt 4
{
static int i = 0;//静态变量，被初始化一次
char tmp;
if(RI)//中断处理函数中，对于接收中断的响应
{
RI = 0;//清除接收中断标志位
tmp = SBUF;
if(tmp == 'W' || tmp == 'O' || tmp == 'L' || tmp == '0' || tmp == ':'){
i = 0;
}
buffer[i++] = tmp;
//入网成功的判断依据WIFI GOT IP
if(buffer[0] == 'W' && buffer[5] == 'G'){
AT_Connect_Net_Flag	= 1;
memset(buffer, '', SIZE);
}
//连接服务器等OK返回值指令的判断
if(buffer[0] == 'O' && buffer[1] == 'K'){
AT_OK_Flag	= 1;
memset(buffer, '', SIZE);
}
if(buffer[0] == '0' && buffer[2] == 'C'){
Client_Connect_Flag	= 1;
memset(buffer, '', SIZE);
}
//灯控指令
if(buffer[0] == ':' && buffer[1] == 'o' && buffer[2] == 'p'){
D5 = 0;//点亮D5
memset(buffer, '', SIZE);
}
if(buffer[0] == ':' && buffer[1] == 'c' && buffer[2] == 'l'){
D5 = 1;//熄灭D5
memset(buffer, '', SIZE);
}
if(i == 12) i = 0;
}
}