ESP8266-WIFI之例程篇

admin管理员组

文章数量:1620396

1、ESP8266_drive驱动类文件

1）esp8266_drive.h

#ifndef _esp8266_drive_H
#define _esp8266_drive_H

#include "system.h"
#include <stdio.h>
#include <stdbool.h>



#if defined ( __CC_ARM   )
#pragma anon_unions
#endif

//ESP8266模式选择
typedef enum
{
    STA,
    AP,
    STA_AP  
}ENUM_Net_ModeTypeDef;

//网络传输层协议，枚举类型
typedef enum{
     enumTCP,
     enumUDP,
} ENUM_NetPro_TypeDef;
//连接号，指定为该连接号可以防止其他计算机访问同一端口而发生错误
typedef enum{
    Multiple_ID_0 = 0,
    Multiple_ID_1 = 1,
    Multiple_ID_2 = 2,
    Multiple_ID_3 = 3,
    Multiple_ID_4 = 4,
    Single_ID_0 = 5,
} ENUM_ID_NO_TypeDef;

#define ESP8266_RST_Pin          GPIO_Pin_6    //复位管脚
#define ESP8266_RST_Pin_Port     GPIOE    //复位 
#define ESP8266_RST_Pin_Periph_Clock  RCC_APB2Periph_GPIOE       //复位时钟

#define ESP8266_CH_PD_Pin     GPIO_Pin_7   //使能管脚
#define ESP8266_CH_PD_Pin_Port     GPIOG   //使能端口
#define ESP8266_CH_PD_Pin_Periph_Clock  RCC_APB2Periph_GPIOG                     //使能时钟


#define ESP8266_RST_Pin_SetH     GPIO_SetBits(ESP8266_RST_Pin_Port,ESP8266_RST_Pin)
#define ESP8266_RST_Pin_SetL     GPIO_ResetBits(ESP8266_RST_Pin_Port,ESP8266_RST_Pin)


#define ESP8266_CH_PD_Pin_SetH     GPIO_SetBits(ESP8266_CH_PD_Pin_Port,ESP8266_CH_PD_Pin)
#define ESP8266_CH_PD_Pin_SetL     GPIO_ResetBits(ESP8266_CH_PD_Pin_Port,ESP8266_CH_PD_Pin)


#define ESP8266_USART(fmt, ...)  USART_printf (USART2, fmt, ##__VA_ARGS__)    //USART_printf是串口发送函数，在esp8266_public.c里面
#define PC_USART(fmt, ...)   printf (fmt, ##__VA_ARGS__)       //这是串口打印函数，串口1，执行printf后会自动执行fput函数，重定向了printf。



#define RX_BUF_MAX_LEN 1024       //最大字节数
extern struct STRUCT_USART_Fram   //数据帧结构体
{
    char Data_RX_BUF[RX_BUF_MAX_LEN];
    union 
    {
        __IO u16 InfAll;
        struct 
        {
            __IO u16 FramLength       :15;                               // 14:0 
            __IO u16 FramFinishFlag   :1;                                // 15 
        }InfBit;
    }; 
}ESP8266_Fram_Record_Struct;





//功能函数
void ESP8266_Init(u32 bound);
void ESP8266_AT_Test(void);
bool ESP8266_Send_AT_Cmd(char *cmd,char *ack1,char *ack2,u32 time);
void ESP8266_Rst(void);
bool ESP8266_Net_Mode_Choose(ENUM_Net_ModeTypeDef enumMode);
bool ESP8266_JoinAP( char * pSSID, char * pPassWord );
bool ESP8266_Enable_MultipleId ( FunctionalState enumEnUnvarnishTx );
bool ESP8266_Link_Server(ENUM_NetPro_TypeDef enumE, char * ip, char * ComNum, ENUM_ID_NO_TypeDef id);
bool ESP8266_SendString(FunctionalState enumEnUnvarnishTx, char * pStr, u32 ulStrLength, ENUM_ID_NO_TypeDef ucId );
bool ESP8266_UnvarnishSend ( void );
void ESP8266_ExitUnvarnishSend ( void );
u8 ESP8266_Get_LinkStatus ( void );

#endif

2）esp8266_drive.c

#include "esp8266_drive.h"
#include "SysTick.h"
#include <stdio.h>  
#include <string.h>  
#include <stdbool.h>
#include "sta_tcpclent_test.h"
#include "esp8266_public.h"



struct STRUCT_USART_Fram ESP8266_Fram_Record_Struct = { 0 };  //定义了一个数据帧结构体




void USART3_Init(u32 bound)
{

    GPIO_InitTypeDef GPIO_InitStructure;
    USART_InitTypeDef USART_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;

    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);   

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; //PB10
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //¸´ÓÃÍÆÍìÊä³ö
    GPIO_Init(GPIOB, &GPIO_InitStructure);


    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;//PB11
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入
    GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化GPIO

    //Usart3 NVIC 配置
    NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//抢占优先级0
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;      //响应优先级0
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;         //USART_IRQn通道使能
    NVIC_Init(&NVIC_InitStructure); //初始化NVIC

    //USART3 配置
    USART_InitStructure.USART_BaudRate = bound;//波特率
    USART_InitStructure.USART_WordLength = USART_WordLength_8b;

本文标签： 例程wifi