esp8266 stopped communicating

hi,
esp configured , works fine have checked more day.
but, blue led stops blinking no updates on thingspeak.com stops within hour or after 13 hours hang random.
then, reset board , esp starts communicating.
the connections are:
tx---rx
rx---tx
ch_pd=3.3v
gpio0=nc/3.3v didn't make difference
rest nc.
esp powered can communicate.
has faced problem?
i post code well:
but, code cant problem because data updating more 13 hours w/o interruptions continuously.

code: [select]


#include <softwareserial.h>
softwareserial esp(2,3);
void senddebug(string);
string c;
int count=0;
#define ip "184.106.153.149"
//#define ip "api.thingspeak.com"
void setup()
{
  serial.begin(9600);
  esp.begin(9600);
  connectwifi();
}
void loop()
{

     string cmd = "at+cipstart=0,\"tcp\",\"";     // setup tcp connection
  cmd += ip;
  cmd += "\",80";
  senddebug(cmd);
  delay(700);
   while(esp.available()>0)
   {
    if(esp.find("ok"))
    serial.println("starting c/n");
   }
   string g="at+cipsend=0,74";
   senddebug(g);
   delay(500);
     while(esp.available()>0)
   {
    if(esp.find(">"))
    {
    string get="get https://api.thingspeak.com/update?api_key=3tpw62gdd2qne1jo&field1=99";
    get=get+"\r\n";
    senddebug(get);
    }
   }
   if(esp.find("send ok"))
   serial.println("succesfully printed");
   else
   count++;
    delay(19000);
}
void senddebug(string cmd)
{
  esp.println(cmd);         //ln bcoz new line , carriage esp
  serial.println(cmd);
}

void connectwifi(void)
{
 senddebug("at");
  delay(1000);
  if(esp.find("ok"))
  {
            serial.println("success");
   // connectwifi();
  }
 
  string c="at+cwjap=\""; // join accespoint
  c+="fluxgen";
  c+="\",\"";
  c+="zigbeerocks!";
  c+="\"";
  senddebug(c);
   delay(2000);
   while(esp.available()>0)
   {
    if(esp.find("ok"))
    serial.println("joined");
   }
    c="at+cipmux=1";
    senddebug(c);
    delay(2000);
     while(esp.available()>0)
   {
    if(esp.find("ok"))
    serial.println("\"multiple c/n\"");
   }
   c="at+cwmode=3";
    senddebug(c);
    delay(2000);
    while(esp.available()>0)
   {
    if(esp.find("ok"))
    serial.println("set mode");
   }

}




please tools > auto format on sketch before posting forum. automatic indentation can helpful in finding bugs , make easier read.

what see in serial monitor after esp8266 stops communicating.

quote from: deesha on dec 27, 2016, 06:30 am

esp powered can communicate.

how is powered? 3.3v pin on standard arduino board doesn't provide enough current keep esp8266 running reliably.

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