SIM800A与onenet平台连接，刚连上就断开

fktry

1. void SIM800_Init(void)
   
2. {
   
3.                 printf("%s\r\n","[SIM800_Init]ENTER AT.");
   
4.                 SendCmd(AT,"OK",1000);
   
5.                 printf("%s\r\n","[SIM800_Init]EXIT AT.");
   
6.                
   
7.                 printf("%s\r\n","[SIM800_Init]ENTER B.");
   
8.                 SendCmd("AT+CGCLASS="B"\r\n","OK",1000);               
   
9.                 printf("%s\r\n","[SIM800_Init]EXIT B.");
   
10.        
    
11.                 printf("%s\r\n","[SIM800_Init]ENTER AT+CGDCONT");
    
12.                 SendCmd("AT+CGDCONT=1,"IP","CMNET"\r\n","OK",2000);       
    
13.                 printf("%s\r\n","[SIM800_Init]EXIT AT+CGDCONT");
    
14.        
    
15.                 printf("%s\r\n","[SIM800_Init]ENTER AT+CGATT.");
    
16.                 SendCmd("AT+CGATT=1\r\n","OK",1000);       
    
17.                 printf("%s\r\n","[SIM800_Init]EXIT AT+CGATT.");
    
18.        
    
19.                 printf("%s\r\n","[SIM800_Init]ENTER AT+CIPCSGP");
    
20.                 SendCmd("AT+CIPCSGP=1,"CMNET"\r\n","OK",2200);       
    
21.                 printf("%s\r\n","[SIM800_Init]EXIT AT+CIPCSGP");
    
22. 
    
23.                 printf("%s\r\n","[SIM800_Init]ENTER AT+CLPORT.");
    
24.                 SendCmd("AT+CLPORT="TCP","2000"\r\n","OK",2200);
    
25.                 printf("%s\r\n","[SIM800_Init]EXIT AT+CLPORT.");
    
26.                
    
27.                 printf("%s\r\n","[SIM800_Init]ENTER AT+CIPSTART.");
    
28.                 SendCmd("AT+CIPSTART="TCP","183.230.40.39","876"\r\n","OK",1000);
    
29.                 printf("%s\r\n","[SIM800_Init]EXIT AT+CIPSTART.");
    
30. }

复制代码