RAM values changes unexpectedly

[Jonathanp]

Hi,

First of all excuse my low english level.  Something extrange happend to me....When I run the follow code (I'm using an AP16)

void CONVERT_DATA(void)
{
  TEMPORAL1=MSGRECEIVED[17];
  TEMPORAL1=TEMPORAL1-48;
  LATITUDE=TEMPORAL1*10;
  TEMPORAL1=MSGRECEIVED[18];
  TEMPORAL1=TEMPORAL1-48;
  LATITUDE=LATITUDE+TEMPORAL1;
 
  TEMPORAL1=MSGRECEIVED[19];
  TEMPORAL1=TEMPORAL1-48;
  MIN=TEMPORAL1*100000;
  TEMPORAL1=MSGRECEIVED[20];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*10000;
 
 
  TEMPORAL1=MSGRECEIVED[22];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*1000;
  TEMPORAL1=MSGRECEIVED[23];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*100;
  TEMPORAL1=MSGRECEIVED[24];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*10;
  TEMPORAL1=MSGRECEIVED[25];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1;
 
  MIN=MIN/600000;
  LATITUDE=LATITUDE+MIN;  
 
  TEMPORAL1=MSGRECEIVED[29];
  TEMPORAL1=TEMPORAL1-48;
  LONGITUDE=TEMPORAL1*100;
  TEMPORAL1=MSGRECEIVED[30];
  TEMPORAL1=TEMPORAL1-48;
  LONGITUDE=LONGITUDE+TEMPORAL1*10;
  TEMPORAL1=MSGRECEIVED[31];
  TEMPORAL1=TEMPORAL1-48;
  LONGITUDE=LONGITUDE+TEMPORAL1;
 
  TEMPORAL1=MSGRECEIVED[32];
  TEMPORAL1=TEMPORAL1-48;
  MIN=TEMPORAL1*100000;
  TEMPORAL1=MSGRECEIVED[33];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*10000;
 
 
  TEMPORAL1=MSGRECEIVED[35];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*1000;
  TEMPORAL1=MSGRECEIVED[36];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*100;
  TEMPORAL1=MSGRECEIVED[37];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1*10;
  TEMPORAL1=MSGRECEIVED[38];
  TEMPORAL1=TEMPORAL1-48;
  MIN=MIN+TEMPORAL1;
 
  MIN=MIN/600000;
  LONGITUDE=LONGITUDE+MIN;  
 
 
  TEMPORAL1=MSGRECEIVED[44];
  TEMPORAL1=TEMPORAL1-48;
  SATELITES=TEMPORAL1*10;
  TEMPORAL1=MSGRECEIVED[45];
  TEMPORAL1=TEMPORAL1-48;
  SATELITES=SATELITES+TEMPORAL1;                 
}

The values of MSGRECEIVED changes and I don't understand why it happen if I don't assing this array in this funtion I only read it. If you can help me I'll really apreciate it. 

Regards,

Jonathan

Message Edited by Jonathanp on 2009-04-16 04:44 AM

[Lundin · Accepted solution]

Variables changing unexpectedly is almost always caused by stack overflow. Try to make the stack larger and see if this solves the problem.

[Jonathanp]

Thankyou Lundin I made the stack larger and it solved the problem.

Jonathan