STMFWIFI初始化流程STA模式

1、STA的 SSID AT+WSSSID=1LAUVANSTA的 KEY:AT+WSKEY=WPAPSK,AES,pxfp默认fSTA模式：AT+WMODE=STASTA作 服务器时的端口号： AT+NETP=TCP,SERVERSTA的IP及网关：默认STA模式下MAC的设置：透传模式： AT+ENTM 串口模式：/*名称:变量定义*/ volatileuint8UART3_RxBufUART3_RXBUF_SIZE; volatileuint8UART3_TxBufUART3_TXBUF_SIZE; volatileuint8UART3RxFlag;/ 接收标志volatileuint16U

2、ART3_RxHead;/ 接收缓冲区读指针volatileuint16UART3_RxEnd;/ 接收缓冲区指针volatileuint8UART3_RxFullFlag;/ 接收缓冲区满标志volatileuint8UART3_RxEmptyFlag; /接/ 收缓冲区空标志 volatileuint8UART3TxFlag; / 发送标志 volatileuint16UART3_TxHead;volatileuint16UART3_TxEnd; volatileuint8UART3_TxEmptyFlag; /发送缓冲区空标志 volatileuint8UART3OverTime;/ 超

3、时时间volatileuint8UART3OverFlag;/ 超时标志volatileuint8UART3RxCompTime; /串口接收完成时间 volatileuint8UART3RxCompJudg; /串口接收完成判断 volatileuint8UART3RxCompFlag; /串口接收完成标志 volatileuint16Uart3OverTime;/WIFI 相关参数volatileuint8WifiStatus=0; volatileuint8IsWifiBusy;volatileuint32Channel_Timer_Limit;/ 限时器 /volatileuint16

4、Dog_IsWifiBusy=DOG_ISGPRSBUSY; volatileuint16Dog_IsWifiBusy=0;volatileuint8WifiSendBuf512; volatileuint8WifiRecBuf512; volatileuint8SetWifiParmFlag=0; volatileuint8SetWifiUartParmFlag=0;volatileuint8Send2BTime=0; volatileuint8WifiOnLinkFlag=0;volatileuint8WifiSendStartTime=0;volatileuint8WifiHeartbe

5、atno=0;/Wifi 发送心跳次数 volatileuint8WifiSendEnterNetFlag=0;/Wifi 发送登录帧标志 i volatileuint8WifiEtherNetFlag=0;/*Functionname:STM_EVAL_USART3_Init*Descriptions: 串口 3 中断服务函数 *inputparameters: 无 *Outputparameters: 无 *Returnedvalue: 无*/ voidSTM_EVAL_USART3_Init(void) NVIC_InitTypeDefNVIC_InitStructure;/*Enabl

6、eandsetUSART3Interrupttothe0priority*/NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);/ 嵌套优先级分组为 1 NVIC_InitStructure.NVIC_IRQChannel=USART3_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=2; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; NVI

7、C_Init(&NVIC_InitStructure); /* 初始化客户端 WifiPortIOSet* */voidWifiIOInit(void)GPIO_InitTypeDefGPIO_InitStructure; /RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,ENABLE);RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Sp

8、eed_2MHz;GPIOnitStructure.GPIO_Pin=Reload定义 Reload输出脚GPIO_Init(GPIOB,&GPIO_InitStructure);GPIO_SetBits(GPIOB,Reload);RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_2MHz;GPIOnitStructure.GPIO_Pin=ResetTn定义 Res

9、etTn输出脚 GPIO_Init(GPIOB,&GPIO_InitStructure);GPIO_SetBits(GPIOB,ResetTn);RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_2MHz;GPIOni tStructure.GPIO_Pi n=PWR_sW定义 PWR_SW俞出脚GPIO_Init(GPIOA,&GPIO_InitStructure);

10、GPIO_SetBits(GPIOA,PWR_SW); /*名称： USART3_Wifi()* 功能：初始化串口 3*入口参数：*出口参数：*/voidUSART3_Wifi(void)GPIO_InitTypeDefGPIO_InitStructure;USART_InitTypeDefUSART_InitStructure;/*configUSART2clock*/ /RCC_APB2PeriphClockCmd(RCC_APB1Periph_USART3|RCC_APB2Periph_GPIOB,ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Perip

11、h_GPIOB,ENABLE);RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,ENABLE); /*USART3GPIOconfig*/*ConfigureUSART3Tx(PB.10)asalternatefunctionpush-pull*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_10;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_Init(GPIOB,&GPIO_I

12、nitStructure);/*ConfigureUSART3Rx(PB.11)asinputfloating*/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_11;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_IN_FLOATING;GPIO_Init(GPIOB,&GPIO_InitStructure);/*USART3modeconfig*/USART_InitStructure.USART_BaudRate=115200;USART_InitStructure.USART_WordLength=USART_WordLength

13、_8b;USART_InitStructure.USART_StopBits=USART_StopBits_1;USART_InitStructure.USART_Parity=USART_Parity_No;USART_InitStructure.USART_HardwareFlowControl=USART_HardwareFlowControl_None;USART_InitStructure.USART_Mode=USART_Mode_Rx|USART_Mode_Tx;USART_Init(USART3,&USART_InitStructure);/* 使能串口 3的发送和接收中断 *

14、/USART_ITConfig(USART3,USART_IT_RXNE,ENABLE);USART_Cmd(USART3,ENABLE);STM_EVAL_USART3_Init(); /中断初始化WifiIOInit();/WIFI 控制脚的初始化/*Functionname:USART3_IRQHandler*Descriptions: 串口 3 中断服务函数*inputparameters: 无*Outputparameters: 无*Returnedvalue: 无*/voidUSART3_IRQHandler(void) if(USART_GetITStatus(USART3,US

15、ART_IT_RXNE)!=RESET)UART3RxCompJudg=VALID_FLAG;UART3RxCompTime=0;Uart3OverTime=0;if(UART3_RxFullFlag=0)UART3_RxBufUART3_RxE nd+=USART_ReceiveData(USART3)保存接收至 U的数据 */if(UART3_RxEnd=UART3_RXBUF_SIZE)UART3_RxEnd=0;if(UART3_RxEnd=UART3_RxHead)UART3_RxFullFlag=1;UART3_RxEmptyFlag=0; /USART_ITConfig(USAR

16、T3,USART_IT_RXNE,ENABLE);/*Functionname:HandleRFSendData*Descriptions: 发送多个字节数据*inputparameters:Buffer: 发送数据存储位置*NByte: 发送数据个数*Outputparameters: 无*Returnedvalue:无*/voidHandleWifiSendData(unsignedchar*buffer,intbufferlen)while(bufferlen=0)USART_SendData(USART3,*buffer+);/ResetWdog(); while(USART_GetF

17、lagStatus(USART3,USART_FLAG_TC)=RESET); bufferlen-; /USART_Cmd(USART3,ENABLE); /* 名称： HandleRFUartTimer()*功能：处理读UART1时间* 入口参数：* 出口参数：* */voidHandleWifiUartTimer(void) if(UART3RxCompJudg=VALID_FLAG)接收是否完成判断if(+UART3RxCompTime=UART3_COMP_TIME判断接收中断之间超时UART3RxCompTime=0; UART3RxCompJudg=0; UART3RxCompF

18、lag=VALID_FLAG;/NoReDataTime=0;elseUart3OverTime+;/* 名称： Uart3ReadBytes()*功能：读取串口 2 字符串* 入口参数： *pBuf: 读取数据存储区* 出口参数：* */uint16Uart3ReadBytes(uint8*pBuf)uint16nEnd=0;/ 串口 0接收数据缓冲区不为空/ 中断可能改变此值/endheaduint16Size=0;if(UART3_RxEmptyFlag=0)nEnd=UART3_RxEnd;UART3_RxFullFlag=0; if(UART3_RxHeadend Size=UART

19、3_RXBUF_SIZE+nEnd-UART3_RxHead;memcpy(pBuf,(uint8*)&UART3_RxBuf0+UART3_RxHead,UART3_RXBUF_SIZE-UART3_RxHea d);if(nEnd0)memcpy(pBuf+UART3_RXBUF_SIZE-UART3_RxHead,(uint8*)&UART3_RxBuf0,nEnd);UART3_RxHead=nEnd;if(UART3_RxHead=UART3_RxEnd)UART3_RxEmptyFlag=1; / 接收数据缓冲区空elseSize=0;memset(uint8*)&UART3_Rx

20、Buf0,0x00,512);returnSize;/*名称： GetWifiMode485Data()* 功能：读出接收的数据，取出完整的一帧，放到接收BUF，*入口参数：无* 出口参数：返回长度和数据 BUF。*/uint16GetWifiMode485Data(void)uint16loop,temps,size;uint16i,starti;uint8temp1,temp2;uint16datalen;memset(uint8*)&WifiRecBuf,0x00,512); size=Uart3ReadBytes(uint8*)WifiRecBuf);temps=size;i=0;wh

21、ile(WifiRecBufi!=0x68&i=size)return0;/ 错误格式信息starti=i;/point0x68i+=7;if(WifiRecBufi!=0x68)return0;i+;/pointctrlcodei+;/pointlen;temp1=WifiRecBufi;temp2=WifiRecBufi+1;datalen=(uint16)(temp1+temp2*256); /2013-09-05i+=2;if(i+datalen=temps)return0;i+=datalen;/pointcsi+;/point0x16if(WifiRecBufi!=0x16)ret

22、urn0;size=datalen+9;/head(9)+cs+0x16 for(loop=0;loop512)/ return;/ size=0;/ ptr=(uint8*)&WifiSendBuf;/*(ptr+)=0x41;/A/*(ptr+)=0x54;/T/*(ptr+)=0X2B;/+/ size+=3;/ if(status=Wifi_STA)/AT+WMODE=STA/ /*(ptr+)=0x57;/W/*(ptr+)=0x4D;/M/*(ptr+)=0X4F;/O/*(ptr+)=0x44;/D/ *(ptr+)=0x45;/E/*(ptr+)=0x3D;/=/*(ptr+)

23、=0x53;/S/*(ptr+)=0x54;/T/*(ptr+)=0x41;/A/size+=9;/elseif(status=Wifi_WSSSID)/AT+WSSSID=hu|e认/*(ptr+)=0x57;/W/*(ptr+)=0x53;/S/*(ptr+)=0X53;/S/*(ptr+)=0x53;/S/*(ptr+)=0x49;/I/*(ptr+)=0x44;/D/*(ptr+)=0x3D;/=/size+=7;/len=WifiName0;/memcpy(ptr,(uint8*)&WifiName1,len);/ptr+=len;/size+=len;/elseif(status=

24、Wifi_WSKEY)/AT+WSKEY=WPAPSK,AES,pxfpXf|认f/*(ptr+)=0x57;/W/*(ptr+)=0x53;/S/*(ptr+)=0x4b;/K/*(ptr+)=0x45;/E/*(ptr+)=0x59;/Y/*(ptr+)=0x3D;/=/*(ptr+)=0x57;/W/*(ptr+)=0x50;/P/*(ptr+)=0x41;/A/*(ptr+)=0x50;/P/*(ptr+)=0x53;/S/*(ptr+)=0x4b;/K/*(ptr+)=0x2c;/,/*(ptr+)=0x41;/A/*(ptr+)=0x45;/E/*(ptr+)=0x53;/S/*(

25、ptr+)=0x2c;/,/size+=17;/len=WifiPass0;/memcpy(ptr,(uint8*)&WifiPass1,len);/ptr+=len;/ size+=len;/ / 默认/*(ptr+)=0x57;/W/*(ptr+)=0x41;/A/*(ptr+)=0x4E;/N/*(ptr+)=0x4E;/N/*(ptr+)=0x3D;/=/*(ptr+)=0x44;/D/*(ptr+)=0x48;/H/*(ptr+)=0x43;/C/*(ptr+)=0x50;/P/*(ptr+)=0x2C;/,/*(ptr+)=0x31;/1/*(ptr+)=0x39;/9/*(ptr

26、+)=0x32;/2/*(ptr+)=0X2E;/./*(ptr+)=0x31;/1/*(ptr+)=0x36;/6/*(ptr+)=0x38;/8/*(ptr+)=0x2E;/./*(ptr+)=0x31;/1/*(ptr+)=0x2E;/./*(ptr+)=0x33;/3/*(ptr+)=0x35;/5/*(ptr+)=0x2C;/,/*(ptr+)=0x32;/2/*(ptr+)=0x35;/5/*(ptr+)=0x35;/5/*(ptr+)=0X2E;/./*(ptr+)=0x32;/2/*(ptr+)=0x35;/5/*(ptr+)=0x35;/5/*(ptr+)=0X2E;/./*

27、(ptr+)=0x32;/2/*(ptr+)=0x35;/5/*(ptr+)=0x35;/5/*(ptr+)=0X2E;/./*(ptr+)=0x30;/0/*(ptr+)=0x2C;/,/*(ptr+)=0x31;/1/*(ptr+)=0x39;/9/*(ptr+)=0x32;/2/*(ptr+)=0X2E;/./*(ptr+)=0x31;/1/*(ptr+)=0x36;/6/*(ptr+)=0x38;/8/*(ptr+)=0x2E;/./*(ptr+)=0x31;/1/*(ptr+)=0x2E;/./*(ptr+)=0x31;/1/size+=48;/*(ptr+)=0x4E;/N/*(p

28、tr+)=0x45;/E/*(ptr+)=0x54;/T/*(ptr+)=0x50;/P/*(ptr+)=0x3D;/=/*(ptr+)=0x54;/T/*(ptr+)=0x43;/C/*(ptr+)=0x50;/P/*(ptr+)=0x2C;/,/*(ptr+)=0x43;/C/*(ptr+)=0x4C;/L/*(ptr+)=0x49;/I/*(ptr+)=0X45;/E/*(ptr+)=0x4E;/N/*(ptr+)=0x54;/T/*(ptr+)=0x2C;/,/size+=16;/ severport=(uint16)(SeverIPTemp0+SeverIPTemp1*256);/t

29、emp=severport%10000;/temp1=(severport/10000);/*(ptr+)=0x30|(temp1&0x0f);/8/temp2=(temp%1000);/temp3=(temp/1000);/ *(ptr+)=0x30|(temp3&0x0f); /8/temp=(temp2%100);/temp4=(temp2/100);/ *(ptr+)=0x30|(temp4&0x0f); /8/temp2=(temp%10);/temp1=(temp/10);/ *(ptr+)=0x30|(temp1&0x0f);/8/ *(ptr+)=0x30|(temp2&0x0

30、f);/8/ size+=5;/ *(ptr+)=0x2C; /,/temp=(SeverIPTemp5%100);/temp1=(SeverIPTemp5/100);/ *(ptr+)=0x30|(temp1&0x0f); /8/temp2=(temp%10);/temp3=(temp/10);/ *(ptr+)=0x30|(temp3&0x0f);/8/ *(ptr+)=0x30|(temp2&0x0f);/8/ *(ptr+)=0X2E;/./ size+=4;/temp=(SeverIPTemp4%100); /temp1=(SeverIPTemp4/100);/ *(ptr+)=0x

31、30|(temp1&0x0f); /8 /temp2=(temp%10);/temp3=(temp/10);/ *(ptr+)=0x30|(temp3&0x0f);/8/ *(ptr+)=0x30|(temp2&0x0f);/8/ *(ptr+)=0X2E;/./ size+=4;/temp=(SeverIPTemp3%100); /temp1=(SeverIPTemp3/100);/ *(ptr+)=0x30|(temp1&0x0f); /8 /temp2=(temp%10);/temp3=(temp/10);/ *(ptr+)=0x30|(temp3&0x0f);/8/ *(ptr+)=0x30|(temp2&0x0f);/8/ *(p