Mindboards

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///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
////
////  NXTBEE RAW RECEIVE PROGRAM
////  NXTBee receiver program
////  For use with the NXTBee and Mindstorms NXT
////  www.dexterindustries.com
////  Use the latest release of NXC (1.2.1 r4 or later).
////  You can find it at http://bricxcc.sourceforge.net/nbc/
////
////  John Hansen helped adapt this code to NXC.
////  http://bricxcc.sourceforge.net/
////
////  More information on the NXTBee can be found at
////  http://www.dexterindustries.com/NXTBee.html
////
////  3/21/2011
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////


task main()
{
  byte mlen;
  string buffer;
  
  // configure the S4 port as RS485
  UseRS485(); 

  // make sure the RS485 system is turned on
  RS485Enable(); 
  
  // initialize the UART to default values
  RS485Initialize(); 
  RS485Uart(HS_BAUD_9600, HS_MODE_DEFAULT); // use 9600 baud rather than default rate

  Wait(MS_10);
  while (true) {

    // wait for a message to arrive.
    until(RS485DataAvailable());
    RS485Read(buffer);

    // display message
    TextOut(0, LCD_LINE2, buffer);
    Wait(SEC_1);
  }

  // shut down the RS485 system
  RS485Disable();
  bool sendingData, dataAvail;

  // check RS485 status
  RS485Status(sendingData, dataAvail); 

  // turn the system back on (this is equivalent to RS485Enable)
  RS485Control(HS_CTRL_INIT, HS_BAUD_DEFAULT, HS_MODE_DEFAULT);

  // configure the UART (this is equivalent to RS485Initialize)
  RS485Uart(HS_BAUD_DEFAULT, HS_MODE_DEFAULT);
 
}

Code: Select all

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
////
////  NXTBEE RAW SEND 4.0
////  NXTBee Sender program
////  For use with the NXTBee and Mindstorms NXT
////  www.dexterindustries.com
////  Use the latest release of NXC (1.2.1 r4 or later).
////  You can find it at http://bricxcc.sourceforge.net/nbc/
////
////  John Hansen helped adapt this code to NXC.
////  http://bricxcc.sourceforge.net/
////
////  More information on the NXTBee can be found at
////  http://www.dexterindustries.com/NXTBee.html
////
////  3/21/2011
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////



void SendRS485Bool1(const bool value)
{
  byte msg[];
  ArrayBuild(msg, value, 0);
  SetHSOutputBuffer(0, 2, msg);
  SetHSOutputBufferOutPtr(0);
  SetHSOutputBufferInPtr(2);
  SetHSState(HS_SEND_DATA);
  SetHSFlags(HS_UPDATE); //send it
}

void SendRS485Number1(const int value)
{
  string msg = Flatten(value);
  SetHSOutputBuffer(0, 5, msg);
  SetHSOutputBufferOutPtr(0);
  SetHSOutputBufferInPtr(5);
  SetHSState(HS_SEND_DATA);
  SetHSFlags(HS_UPDATE); //send it
}

void SendRS485String1(const string msg)
{
  byte mlen = ArrayLen(msg);
  SetHSOutputBuffer(0, mlen, msg);
  SetHSOutputBufferOutPtr(0);
  SetHSOutputBufferInPtr(mlen);
  SetHSState(HS_SEND_DATA);
  SetHSFlags(HS_UPDATE); //send it
}


inline void WaitForMessageToBeSent()
{
  // use hi level API functions (preferred)
  while (RS485SendingData())
    Wait(MS_1);
}

task main()
{
  // configure the S4 port as RS485
  UseRS485();

  // make sure the RS485 system is turned on
  // hi level API function call
  RS485Enable();

  // initialize the UART to default values
  // hi level API function call
  RS485Uart(HS_BAUD_9600, HS_MODE_DEFAULT); // use 9600 baud rather than default rate

  Wait(MS_10);
  int i;
  while (true) {
    string msg;
    //msg = "9";
    msg = "goofy ";
    msg += NumToStr(i);
    TextOut(0, LCD_LINE1, msg);
    SendRS485String(msg); // this is exactly the same as RS485Write but takes a string instead of a byte array
    WaitForMessageToBeSent();
    i++;
    Wait(SEC_1);
  }
  // disable RS485 (not usually needed)
  RS485Disable();
}