IndoorEnvSystem/stm32/HARDWARE/ESP8266/wifi.c

#include "wifi.h"
#include "string.h"
#include "delay.h"

///////////////<EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>//////////////////
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/*************  <EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	**************/
char Uart3_Buf[Buf3_Max];//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD>
u8 First_Int = 0;

//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>3<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
void USART3_init(u32 bound)
{
  //GPIO<EFBFBD>˿<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	GPIO_InitTypeDef GPIO_InitStructure;
	USART_InitTypeDef USART_InitStructure;
	NVIC_InitTypeDef NVIC_InitStructure;

	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);	//ʹ<EFBFBD><EFBFBD>USART3<EFBFBD><EFBFBD>GPIOBʱ<EFBFBD><EFBFBD>
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);	//ʹ<EFBFBD><EFBFBD>USART3<EFBFBD><EFBFBD>GPIOBʱ<EFBFBD><EFBFBD>
	
	//USART3_TX   GPIOB10
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; //PB10
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;	//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	GPIO_Init(GPIOB, &GPIO_InitStructure);//<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>GPIOB

	//USART3_RX	  GPIOB11<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;//PB11
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	GPIO_Init(GPIOB, &GPIO_InitStructure);//<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>GPIOB  

	//Usart3 NVIC <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//<EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>3
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;		//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>3
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;			//IRQͨ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>
	NVIC_Init(&NVIC_InitStructure);	//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>VIC<EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD>

	//USART3 <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	USART_InitStructure.USART_BaudRate = bound;//<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	USART_InitStructure.USART_WordLength = USART_WordLength_8b;//<EFBFBD>ֳ<EFBFBD>Ϊ8λ<EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD>ʽ
	USART_InitStructure.USART_StopBits = USART_StopBits_1;//һ<EFBFBD><EFBFBD>ֹͣλ
	USART_InitStructure.USART_Parity = USART_Parity_No;//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>żУ<EFBFBD><EFBFBD>λ
	USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//<EFBFBD><EFBFBD>Ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;	//<EFBFBD>շ<EFBFBD>ģʽ

	USART_Init(USART3, &USART_InitStructure); //<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3
	USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
	USART_Cmd(USART3, ENABLE);                    //ʹ<EFBFBD>ܴ<EFBFBD><EFBFBD><EFBFBD>3

}

void USART3_IRQHandler(void)                	//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>3<EFBFBD>жϷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
	u8 Res=0;
	Res = USART_ReceiveData(USART3);
	Uart3_Buf[First_Int] = Res;  	  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>浽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	First_Int++;                	  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>
	if(First_Int >= Buf3_Max)       	  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>ָ<EFBFBD>򻺴<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
	{
		First_Int = 0;
	}
} 

//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void CLR_Buf(void)
{
	u16 k;
	for(k=0;k<Buf3_Max;k++)      //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	{
		Uart3_Buf[k] = 0x00;
	}
    First_Int = 0;              //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD>洢λ<EFBFBD><EFBFBD>
}

//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
void UART3_SendString(char* s)
{
	while(*s)//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	{
		while(USART_GetFlagStatus(USART3, USART_FLAG_TC)==RESET); 
		USART_SendData(USART3 ,*s++);//<EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ǰ<EFBFBD>ַ<EFBFBD>
	}
}

//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void UART3_Send_Command(char* s)
{
	CLR_Buf(); //<EFBFBD><EFBFBD><EFBFBD>ս<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>buffer
	UART3_SendString(s); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
	UART3_SendString("\r"); //<EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> \r\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>
}


//Ѱ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
//<EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD>1  <EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD>  0  δ<EFBFBD>ҵ<EFBFBD>
u8 Find(char *a)
{ 
	if(strstr(Uart3_Buf, a)!=NULL)
	{
		return 1;
	}	
	else
	{
		return 0;
	}
		
}


//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ATָ<EFBFBD><EFBFBD>
//*b<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
//*a<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ񷵻ص<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
//wait_time<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵Ĵ<EFBFBD><EFBFBD><EFBFBD>
//interval_time:ÿ<EFBFBD>εȴ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
u8 UART3_Send_AT_Command(char *b,char *a,u8 wait_time,u32 interval_time)         
{
	u8 i;
	i = 0;
	while(i < wait_time)    //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD> <EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٷ<EFBFBD>һ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> <EFBFBD>ٽ<EFBFBD><EFBFBD>в<EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>                
	{
		UART3_Send_Command(b);//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><EFBFBD><EFBFBD><EFBFBD> b <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\r\n  <EFBFBD>൱<EFBFBD>ڷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
		delay_ms(interval_time); //<EFBFBD>ȴ<EFBFBD>һ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> <EFBFBD><EFBFBD>50<EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 50*20ms = 1<EFBFBD><EFBFBD>
		if(Find(a))            //<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҪӦ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD> a
		{
			return 1;
		}
		i++;
	}
	
	return 0;
}
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//<EFBFBD><EFBFBD><EFBFBD><EFBFBD>WIFIģ<EFBFBD><EFBFBD>ģʽ
//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> AP <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>  ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>  WPA2_PSK 
signed ESP8266_wifi_Init(void)
{
	u8 ret;
	ret = UART3_Send_AT_Command("AT\r\n","OK",3,100);    //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	delay_ms(600);
	if(ret == 0)
	{
		return -1;
	}
	
	ret = UART3_Send_AT_Command("AT+CWMODE=2\r\n","OK",3,100);   //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>ΪAPģʽ
		delay_ms(600);
	if(ret == 0)
	{
		return -2;
	}
		
	ret = UART3_Send_AT_Command("AT+CWSAP=\"ZH\",\"123456789\",5,3\r\n","OK",3,100);  //<EFBFBD><EFBFBD><EFBFBD>ý<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>  ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>  WPA2_PSK
		delay_ms(600);
	if(ret == 0)
	{
		return -3;
	}
	
	ret = UART3_Send_AT_Command("AT+CIPMUX=1\r\n","OK",3,100); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		delay_ms(600);
	if(ret == 0)
	{
		return -4;
	}
	
	ret = UART3_Send_AT_Command("AT+CIPSERVER=1,5000\r\n","OK",3,100);  //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>ΪTCP<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˿ں<EFBFBD>Ϊ5000
		delay_ms(600);
	if(ret == 0)
	{
		return -5;
	}
	
	ret = UART3_Send_AT_Command("AT+CIPSTO=0\r\n","OK",3,100);   //<EFBFBD><EFBFBD><EFBFBD>ó<EFBFBD>ʱʱ<EFBFBD><EFBFBD>Ϊ0
		delay_ms(600);
	if(ret == 0)
	{
		return -6;
	}
	
	return 0;
}

//<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//*buf<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
void ESP8266_send_data(char *buf)
{
	UART3_Send_AT_Command("AT+CIPSEND=0,14\r\n",">",3,50);   //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	delay_ms(200);
	UART3_SendString(buf);
	delay_ms(100);
}