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Author Topic: How to Combine Dot Matrix Code with Gprs code  (Read 410 times)
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Hello guys,,, i have 2 source code, there are DMD (dot matrix display) source code and GPRS code,,, my problem is how to mix this 2 code, so the data that i get from GPRS will show in DMD...

my meterials :
-Arduino Uno R3
-GPRS Shield V2 from seeedstudio.com
-DMD (dot Matrix Display)

Please Help me to mixing the code guys,,

this dot matrix display (dmd) code :
Code:
#include <SPI.h>        //SPI.h must be included as DMD is written by SPI (the IDE complains otherwise)
#include <DMD.h>        //
#include <TimerOne.h>   //
#include "SystemFont5x7.h"
#include "Arial_black_16.h"

//Fire up the DMD library as dmd
#define DISPLAYS_ACROSS 1
#define DISPLAYS_DOWN 1
DMD dmd(DISPLAYS_ACROSS, DISPLAYS_DOWN);

/*--------------------------------------------------------------------------------------
  Interrupt handler for Timer1 (TimerOne) driven DMD refresh scanning, this gets
  called at the period set in Timer1.initialize();
--------------------------------------------------------------------------------------*/
void ScanDMD()
{
  dmd.scanDisplayBySPI();
}

/*--------------------------------------------------------------------------------------
  setup
  Called by the Arduino architecture before the main loop begins
--------------------------------------------------------------------------------------*/
void setup()
{

   //initialize TimerOne's interrupt/CPU usage used to scan and refresh the display
   Timer1.initialize( 5000 );           //period in microseconds to call ScanDMD. Anything longer than 5000 (5ms) and you can see flicker.
   Timer1.attachInterrupt( ScanDMD );   //attach the Timer1 interrupt to ScanDMD which goes to dmd.scanDisplayBySPI()

   //clear/init the DMD pixels held in RAM
   dmd.clearScreen( true );   //true is normal (all pixels off), false is negative (all pixels on)

}

/*--------------------------------------------------------------------------------------
  loop
  Arduino architecture main loop
--------------------------------------------------------------------------------------*/
void loop()
{
   
   // 10 x 14 font clock, including demo of OR and NOR modes for pixels so that the flashing colon can be overlayed
   dmd.clearScreen( true );
   dmd.selectFont(Arial_Black_16);

   dmd.drawMarquee("Scrolling Text",14,(32*DISPLAYS_ACROSS)-1,0);
   long start=millis();
   long timer=start;
   boolean ret=false;
   while(!ret){
     if ((timer+30) < millis()) {
       ret=dmd.stepMarquee(-1,0);
       timer=millis();
     }
   }   
}



And This is GPRS Shield Code :
Code:
/* http get example */
#include <SoftwareSerial.h>
SoftwareSerial gprsSerial(7, 8);

void setup()
{
  gprsSerial.begin(19200);
  Serial.begin(19200);
 
  Serial.println("Config SIM900...");
  delay(2000);
  Serial.println("Done!...");
  gprsSerial.flush();
  Serial.flush();
 
  // signal quality
  gprsSerial.println("AT+CSQ");
  delay(100);
  toSerial();
       
 
  // attach or detach from GPRS service
  gprsSerial.println("AT+CGATT?");
  delay(100);
  toSerial();
       
 
  // bearer settings
  gprsSerial.println("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\"");
  delay(2000);
  toSerial();
   
  // bearer settings
  gprsSerial.println("AT+SAPBR=3,1,\"APN\",\"epc.tmobile.com\"");
  delay(2000);
  toSerial();
       
  // bearer settings
  gprsSerial.println("AT+SAPBR=1,1");
  delay(2000);
  toSerial();
}

void loop()
{
   // initialize http service
   gprsSerial.println("AT+HTTPINIT");
   delay(2000);
   toSerial();
   
   // set http param value
   gprsSerial.println("AT+HTTPPARA=\"URL\",\"http://mysite.com/info.log\"");
   delay(2000);
   toSerial();
     
   // set http action type 0 = GET, 1 = POST, 2 = HEAD
   gprsSerial.println("AT+HTTPACTION=0");
   delay(6000);
   toSerial();
   
   // read server response
   gprsSerial.println("AT+HTTPREAD");
   delay(1000);
   toSerial();
   
   gprsSerial.println("");
   gprsSerial.println("AT+HTTPTERM");
   toSerial();
   delay(300);
   
   gprsSerial.println("");
   delay(10000);
}

void toSerial()
{
  while(gprsSerial.available()!=0)
  {
    Serial.write(gprsSerial.read());
  }
}


Any Help will be apreciated smiley
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Did you try just mashing them together as a starting point?

Code:
#include <SPI.h>        //SPI.h must be included as DMD is written by SPI (the IDE complains otherwise)
#include <DMD.h>        //
#include <TimerOne.h>   //
#include "SystemFont5x7.h"
#include "Arial_black_16.h"

//Fire up the DMD library as dmd
#define DISPLAYS_ACROSS 1
#define DISPLAYS_DOWN 1
DMD dmd(DISPLAYS_ACROSS, DISPLAYS_DOWN);

/* http get example */
#include <SoftwareSerial.h>
SoftwareSerial gprsSerial(7, 8);


/*--------------------------------------------------------------------------------------
 Interrupt handler for Timer1 (TimerOne) driven DMD refresh scanning, this gets
 called at the period set in Timer1.initialize();
 --------------------------------------------------------------------------------------*/
void ScanDMD()
{
  dmd.scanDisplayBySPI();
}

/*--------------------------------------------------------------------------------------
 setup
 Called by the Arduino architecture before the main loop begins
 --------------------------------------------------------------------------------------*/
void setup()
{

  //initialize TimerOne's interrupt/CPU usage used to scan and refresh the display
  Timer1.initialize( 5000 );           //period in microseconds to call ScanDMD. Anything longer than 5000 (5ms) and you can see flicker.
  Timer1.attachInterrupt( ScanDMD );   //attach the Timer1 interrupt to ScanDMD which goes to dmd.scanDisplayBySPI()

  //clear/init the DMD pixels held in RAM
  dmd.clearScreen( true );   //true is normal (all pixels off), false is negative (all pixels on)
  gprsSerial.begin(19200);
  Serial.begin(19200);

  Serial.println("Config SIM900...");
  delay(2000);
  Serial.println("Done!...");
  gprsSerial.flush();
  Serial.flush();

  // signal quality
  gprsSerial.println("AT+CSQ");
  delay(100);
  toSerial();


  // attach or detach from GPRS service
  gprsSerial.println("AT+CGATT?");
  delay(100);
  toSerial();


  // bearer settings
  gprsSerial.println("AT+SAPBR=3,1,\"CONTYPE\",\"GPRS\"");
  delay(2000);
  toSerial();

  // bearer settings
  gprsSerial.println("AT+SAPBR=3,1,\"APN\",\"epc.tmobile.com\"");
  delay(2000);
  toSerial();

  // bearer settings
  gprsSerial.println("AT+SAPBR=1,1");
  delay(2000);
  toSerial();
}

/*--------------------------------------------------------------------------------------
 loop
 Arduino architecture main loop
 --------------------------------------------------------------------------------------*/
void loop()
{

  // 10 x 14 font clock, including demo of OR and NOR modes for pixels so that the flashing colon can be overlayed
  dmd.clearScreen( true );
  dmd.selectFont(Arial_Black_16);

  dmd.drawMarquee("Scrolling Text",14,(32*DISPLAYS_ACROSS)-1,0);
  long start=millis();
  long timer=start;
  boolean ret=false;
  while(!ret){
    if ((timer+30) < millis()) {
      ret=dmd.stepMarquee(-1,0);
      timer=millis();
    }
  }   
  // initialize http service
  gprsSerial.println("AT+HTTPINIT");
  delay(2000);
  toSerial();

  // set http param value
  gprsSerial.println("AT+HTTPPARA=\"URL\",\"http://mysite.com/info.log\"");
  delay(2000);
  toSerial();

  // set http action type 0 = GET, 1 = POST, 2 = HEAD
  gprsSerial.println("AT+HTTPACTION=0");
  delay(6000);
  toSerial();

  // read server response
  gprsSerial.println("AT+HTTPREAD");
  delay(1000);
  toSerial();

  gprsSerial.println("");
  gprsSerial.println("AT+HTTPTERM");
  toSerial();
  delay(300);

  gprsSerial.println("");
  delay(10000);
}

void toSerial()
{
  while(gprsSerial.available()!=0)
  {
    Serial.write(gprsSerial.read());
  }
}
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