Homebuilt ROVs Forum

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/*#############################################
#####     Send/Receive Values to MEGA     #####
#############################################*/

 // ********** SEND Data **********
 ETout.sendData();     // send the data once!

 // ********** RECEIVE Data **********
 //there's a loop here so that we run the recieve function more often then the 
 //transmit function. This is important due to the slight differences in 
 //the clock speed of different Arduinos. If we didn't do this, messages 
 //would build up in the buffer and appear to cause a delay.
 
  for(int RXi=0; RXi<5; RXi++)  //listen for data 5 times.
  {
    //remember, you could use an if() here to check for new data, this time it's not needed.
    ETin.receiveData();
    /*
    //set our LED on or off based on what we received from the other Arduino
    digitalWrite(13, rxdata.buttonstate);
    
    //set our servo position based on what we received from the other Arduino
    //we will also map the ADC value to a servo value
    myservo.write(map(rxdata.servoval, 0, 1023, 0, 179));
    */
    delay(10);
  } 
 

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    txdata.LeftStickX = HX;    //set variables to be sent using EasyTransfer
    txdata.LeftStickY = HY;
 

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/****************************************************
*****      EasyTransfer related variables      *****
****************************************************/

struct RECEIVE_DATA_STRUCTURE{
  //put your variable definitions here for the data you want to receive
  //THIS MUST BE EXACTLY THE SAME AS THE SEND_DATA ON THE OTHER ARDUINO
  int CurrentSensor;
};

struct SEND_DATA_STRUCTURE{
  //put your variable definitions here for the data you want to receive
  //THIS MUST BE EXACTLY THE SAME AS THE RECEIVE_DATA ON THE OTHER ARDUINO
  int LeftStickX;
  int LeftStickY;
};


//give a name to the group of data
RECEIVE_DATA_STRUCTURE rxdata;
SEND_DATA_STRUCTURE txdata;