515 lines
12 KiB
C
515 lines
12 KiB
C
#include "esp8266.h"
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#include "usart.h"
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#include "delay.h"
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#include <stdarg.h>
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#include "usart.h"
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struct STRUCT_USART_Fram ESP8266_Fram_Record_Struct = { 0 }; //定义了一个数据帧结构体
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void ESP8266_Init(u32 bound)
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{
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USART4_Configuration(bound);
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}
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//对ESP8266模块发送AT指令
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// cmd 待发送的指令
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// ack1,ack2;期待的响应，为NULL表不需响应，两者为或逻辑关系
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// time 等待响应时间
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//返回1发送成功， 0失败
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bool ESP8266_Send_AT_Cmd(char *cmd,char *ack1,char *ack2,u32 time)
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{ //ESP8266_Send_AT_Cmd ( cStr, "> ", 0, 1000 );
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u8 i=0;
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Usart4_ReceiveBuff_Clear();
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if(strstr(ack2,"1"))
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u4_printf("%s",cmd);
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else u4_printf("%s\r\n",cmd);
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//UART_PutStr(UART4,cmd);
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//UART_PutStr(UART4,"\r\n");
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if(ack1==0&&ack2==0) //不需要接收数据
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{
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return true;
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}
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delay_ms(time); //延时
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delay_ms(10);
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ESP8266_Fram_Record_Struct.Data_RX_BUF[ESP8266_Fram_Record_Struct.InfBit.FramLength ] = '\0';
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if(ack1!=0&&ack2!=0)
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{
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i= ( ( bool ) strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, ack1 ) ||
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( bool ) strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, ack2 ) );
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return i;
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}
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else if( ack1 != 0 ) //strstr(s1,s2);检测s2是否为s1的一部分，是返回该位置，否则返回false，它强制转换为bool类型了
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{
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i= ( ( bool ) strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, ack1 ) ||
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( bool ) strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, ack2 ) );
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return i;
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}
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else
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i= ( ( bool ) strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, ack1 ) ||
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( bool ) strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, ack2 ) );
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return i;
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}
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//发送恢复出厂默认设置指令将模块恢复成出厂设置
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void ESP8266_AT_Test(void)
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{
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u16 count=0;
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while(count < 100)
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{
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if(ESP8266_Send_AT_Cmd("AT+RESTORE","OK",NULL,500))
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{
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return;
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}
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++ count;
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delay_ms(100);
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}
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}
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//选择ESP8266的工作模式
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// enumMode 模式类型
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//成功返回true，失败返回false
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bool ESP8266_Net_Mode_Choose(ENUM_Net_ModeTypeDef enumMode)
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{
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switch ( enumMode )
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{
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case STA:
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return ESP8266_Send_AT_Cmd ( "AT+CWMODE=1", "OK", "NULL", 2500 );
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case AP:
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return ESP8266_Send_AT_Cmd ( "AT+CWMODE=2", "OK", "NULL", 2500 );
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case STA_AP:
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return ESP8266_Send_AT_Cmd ( "AT+CWMODE=3", "OK", "NULL", 2500 );
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default:
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return false;
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}
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}
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//ESP8266连接外部的WIFI
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//pSSID WiFi帐号
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//pPassWord WiFi密码
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//设置成功返回true 反之false
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bool ESP8266_JoinAP( char * pSSID, char * pPassWord)
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{
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char cCmd [120];
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sprintf ( cCmd, "AT+CWJAP=\"%s\",\"%s\"", pSSID, pPassWord );
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return ESP8266_Send_AT_Cmd( cCmd, "OK", NULL, 5000 );
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}
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//ESP8266 透传使能
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//enumEnUnvarnishTx 是否多连接，bool类型
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//设置成功返回true，反之false
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bool ESP8266_Enable_MultipleId (FunctionalState enumEnUnvarnishTx )
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{
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char cStr [20];
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sprintf ( cStr, "AT+CIPMUX=%d", ( enumEnUnvarnishTx ? 1 : 0 ) );
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return ESP8266_Send_AT_Cmd ( cStr, "OK", 0, 500 );
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}
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//ESP8266 连接服务器
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//enumE 网络类型
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//ip ，服务器IP
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//ComNum 服务器端口
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//id，连接号，确保通信不受外界干扰
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//设置成功返回true，反之fasle
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bool ESP8266_Link_Server(ENUM_NetPro_TypeDef enumE, char * ip, char * ComNum)
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{
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char cStr [100] = { 0 }; //cCmd [120];
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switch ( enumE )
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{
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case enumTCP:
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sprintf ( cStr, "\"%s\",\"%s\",%s", "TCP", ip, ComNum );
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break;
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case enumUDP:
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sprintf ( cStr, "\"%s\",\"%s\",%s", "UDP", ip, ComNum );
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break;
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default:
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break;
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}
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// if ( id < 5 )
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// sprintf ( cCmd, "AT+CIPSTART=%d,%s", id, cStr);
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// else
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// sprintf ( cCmd, "AT+CIPSTART=%s", cStr );
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return ESP8266_Send_AT_Cmd ( cStr, "OK", "NULL", 10000 );
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}
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//配置AP参数
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//设置成功返回true， 反之false
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//SSID：WiFi名称 PWD：密码 CHL：信道 ECN：加密方式 一般选择3 WPA2_PSK
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bool ESP8266_CWSAP_Set ( char * SSID, char * PWD,char CHL, char ECN )
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{
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char cStr [100] = { 0 },cStr0 [100] = { 0 };
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sprintf(cStr0,"\"%s\",\"%s\",%d,%d",SSID,PWD,CHL,ECN);
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sprintf ( cStr, "%s%s", "AT+CWSAP_DEF=", cStr0);
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if (!ESP8266_Send_AT_Cmd ( cStr, "OK", 0, 5000 ))
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return false;
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else return true;
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}
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//创建tcp服务器
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//设置成功返回true， 反之false
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bool ESP8266_Server_Create ( char * Port, FunctionalState Dis_En )
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{
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char cStr [100] = { 0 },cStr0 [100] = { 0 };
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sprintf(cStr0,"%d,%s",Dis_En,Port);
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sprintf ( cStr, "%s%s", "AT+CIPSERVER=", cStr0);
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if (!ESP8266_Send_AT_Cmd ( cStr, "OK", 0, 5000 ))
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return false;
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else return true;
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}
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////服务端向客户端发送数据
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//void ESP8266_AP_TCPServer_SendData(char ID,char *data,u16 len)
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//{
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// char cStr [100] = { 0 },cStr0 [100] = { 0 };
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//
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// sprintf(cStr,"%s%d,%d","AT+CIPSEND=",ID,len);
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// ESP8266_Send_AT_Cmd ( cStr, 0, 0, 200 );
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// UART_PutStr(USART1,data);
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//}
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//透传使能
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//设置成功返回true， 反之false
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bool ESP8266_UnvarnishSend ( void )
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{
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if (!ESP8266_Send_AT_Cmd ( "AT+CIPMODE=1", "OK", 0, 500 ))
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return false;
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return
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ESP8266_Send_AT_Cmd( "AT+CIPSEND", "OK", ">", 500 );
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}
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//ESP8266发送字符串
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//enumEnUnvarnishTx是否使能透传模式
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//pStr字符串
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//ulStrLength字符串长度
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//ucId 连接号
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//设置成功返回true， 反之false
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bool ESP8266_SendString(FunctionalState enumEnUnvarnishTx, char * pStr, u32 ulStrLength, char ucId )
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{
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char cStr [20];
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bool bRet = false;
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if ( enumEnUnvarnishTx )
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{
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u4_printf ( "%s", pStr );
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bRet = true;
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}
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else
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{
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if ( ucId < 5 )
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sprintf ( cStr, "AT+CIPSEND=%d,%d", ucId, ulStrLength );
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else
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sprintf ( cStr, "AT+CIPSEND=%d", ulStrLength + 2 );
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ESP8266_Send_AT_Cmd ( cStr, "> ", 0, 200 );
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bRet = ESP8266_Send_AT_Cmd ( pStr, "SEND OK", "1", 200 );
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}
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return bRet;
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}
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//ESP8266退出透传模式
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void ESP8266_ExitUnvarnishSend ( void )
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{
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delay_ms(1000);
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u5_printf( "+++" );
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delay_ms( 500 );
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}
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//ESP8266 检测连接状态
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//返回0：获取状态失败
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//返回2：获得ip 连接了服务器
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//返回3：建立连接
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//返回4：失去连接
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u8 ESP8266_Get_LinkStatus ( void )
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{
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if (ESP8266_Send_AT_Cmd( "AT+CIPSTATUS", "+CIPSTATUS:0", 0, 500 ) )
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{
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/* if ( strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, "TCP" ) )
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return 2;
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else if ( strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, "STATUS:3\r\n" ) )
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return 3;
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else if ( strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, "STATUS:4\r\n" ) )
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return 4;
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该部分用于判断WiFi是否有连接，
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*/ if ( strstr ( ESP8266_Fram_Record_Struct .Data_RX_BUF, "+CIPSTATUS:0" ) )
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return 2;//WIFI是否有连接客户端连接
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}
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return 0;
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}
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static char *itoa( int value, char *string, int radix )
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{
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int i, d;
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int flag = 0;
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char *ptr = string;
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/* This implementation only works for decimal numbers. */
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if (radix != 10)
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{
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*ptr = 0;
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return string;
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}
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if (!value)
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{
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*ptr++ = 0x30;
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*ptr = 0;
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return string;
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}
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/* if this is a negative value insert the minus sign. */
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if (value < 0)
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{
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*ptr++ = '-';
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/* Make the value positive. */
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value *= -1;
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}
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for (i = 10000; i > 0; i /= 10)
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{
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d = value / i;
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if (d || flag)
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{
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*ptr++ = (char)(d + 0x30);
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value -= (d * i);
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flag = 1;
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}
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}
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/* Null terminate the string. */
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*ptr = 0;
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return string;
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} /* NCL_Itoa */
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void USART_printf ( USART_TypeDef * USARTx, char * Data, ... )
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{
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const char *s;
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int d;
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char buf[16];
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va_list ap;
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va_start(ap, Data);
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while ( * Data != 0 ) // 判断数据是否到达结束符
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{
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if ( * Data == 0x5c ) //'\'
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{
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switch ( *++Data )
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{
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case 'r': //回车符
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USART_SendData(USARTx, 0x0d);
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Data ++;
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break;
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case 'n': //换行符
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USART_SendData(USARTx, 0x0a);
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Data ++;
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break;
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default:
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Data ++;
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break;
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}
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}
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else if ( * Data == '%')
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{
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switch ( *++Data )
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{
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case 's': //字符串
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s = va_arg(ap, const char *);
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for ( ; *s; s++)
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{
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USART_SendData(USARTx,*s);
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while( USART_GetFlagStatus(USARTx, USART_FLAG_TXE) == RESET );
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}
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Data++;
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break;
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case 'd':
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//十进制
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d = va_arg(ap, int);
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itoa(d, buf, 10);
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for (s = buf; *s; s++)
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{
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USART_SendData(USARTx,*s);
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while( USART_GetFlagStatus(USARTx, USART_FLAG_TXE) == RESET );
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}
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Data++;
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break;
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default:
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Data++;
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break;
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}
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}
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else USART_SendData(USARTx, *Data++);
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while ( USART_GetFlagStatus ( USARTx, USART_FLAG_TXE ) == RESET );
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}
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}
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//下面为ESP8266MQTT功能指令
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/*
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*MQTT配置用户属性
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*LinkID 连接ID,目前只支持0
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*scheme 连接方式，这里选择MQTT over TCP,这里设置为1
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*client_id MQTTclientID 用于标志client身份
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*username 用于登录 MQTT 服务器 的 username
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*password 用于登录 MQTT 服务器 的 password
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*cert_key_ID 证书 ID, 目前支持一套 cert 证书, 参数为 0
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*CA_ID 目前支持一套 CA 证书, 参数为 0
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*path 资源路径，这里设置为""
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*设置成功返回true 反之false
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*/
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bool ESP8266_MQTTUSERCFG( char * pClient_Id, char * pUserName,char * PassWord)
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{
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char cCmd [120];
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sprintf ( cCmd, "AT+MQTTUSERCFG=0,1,\"%s\",\"%s\",\"%s\",0,0,\"\"", pClient_Id,pUserName,PassWord );
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return ESP8266_Send_AT_Cmd( cCmd, "OK", NULL, 500 );
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}
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/*
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*连接指定的MQTT服务器
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*LinkID 连接ID,目前只支持0
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*IP：MQTT服务器上对应的IP地址
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*ComNum MQTT服务器上对应的端口号，一般为1883
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*设置成功返回true 反之false
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*/
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bool ESP8266_MQTTCONN( char * Ip, int Num)
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{
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char cCmd [120];
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sprintf ( cCmd,"AT+MQTTCONN=0,\"%s\",%d,0", Ip,Num);
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return ESP8266_Send_AT_Cmd( cCmd, "OK", NULL, 500 );
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}
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/*
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*订阅指定连接的 MQTT 主题, 可重复多次订阅不同 topic
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*LinkID 连接ID,目前只支持0
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*Topic 订阅的主题名字，这里设置为Topic
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*Qos值：一般为0，这里设置为1
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*设置成功返回true 反之false
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*/
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bool ESP8266_MQTTSUB(char * Topic)
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{
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char cCmd [120];
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sprintf ( cCmd, "AT+MQTTSUB=0,\"%s\",1",Topic );
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return ESP8266_Send_AT_Cmd( cCmd, "OK", NULL, 500 );
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}
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/*
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*在LinkID上通过 topic 发布数据 data, 其中 data 为字符串消息
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*LinkID 连接ID,目前只支持0
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*Topic 订阅的主题名字，这里设置为Topic
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*data：字符串信息
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*设置成功返回true 反之false
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*/
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bool ESP8266_MQTTPUB( char * Topic,char *temp)
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{
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char cCmd [120];
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sprintf (cCmd, "AT+MQTTPUB=0,\"%s\",\"%s\",1,0", Topic ,temp);
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return ESP8266_Send_AT_Cmd( cCmd, "OK", NULL, 1000 );
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}
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/*
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*关闭 MQTT Client 为 LinkID 的连接, 并释放内部占用的资源
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*LinkID 连接ID,目前只支持0
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*Topic 订阅的主题名字，这里设置为Topic
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*data：字符串信息
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*设置成功返回true 反之false
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*/
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bool ESP8266_MQTTCLEAN(void)
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{
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char cCmd [120];
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sprintf ( cCmd, "AT+MQTTCLEAN=0");
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return ESP8266_Send_AT_Cmd( cCmd, "OK", NULL, 500 );
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}
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//ESP8266发送字符串
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//enumEnUnvarnishTx是否使能透传模式
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//pStr字符串
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//ulStrLength字符串长度
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//ucId 连接号
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//设置成功返回true， 反之false
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bool MQTT_SendString(char * pTopic,char *temp2)
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{
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bool bRet = false;
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ESP8266_MQTTPUB(pTopic,temp2);
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delay_ms(1000);
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bRet = true;
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return bRet;
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}
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void ESP8266_Fram_Record_Struct_Clear(void)
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{
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memset(ESP8266_Fram_Record_Struct.Data_RX_BUF,0,RX_BUF_MAX_LEN);
|
||
ESP8266_Fram_Record_Struct.InfBit.FramFinishFlag=0;
|
||
ESP8266_Fram_Record_Struct.InfBit.FramLength=0;
|
||
}
|
||
|