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a429Transmit

Valid for: CANoe DE • CANoe4SW DE

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Function Syntax

long a429Transmit (a429word myA429Word[], dword myNum);

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Description

This function triggers the transfer of myNum A429words to the network interface at once. When the mode Simulated bus is used, a built-in simulation layer takes care of the ARINC word. The following restrictions apply:
  • All ARINC words are transmitted on the same channel. The channel of the first array entry pointed to by myA429Word[0] is used.
  • With a single call of this function, 64 ARINC words may be transferred to the hardware at once.
  • The ARINC word selectors TxCtrl and TxCycle are ignored.
Note that the ARINC word selector Gap (see a429SetGap) may be used to adjust the distance between the ARINC words. A single ARINC word is transmitted or updated with output. Attention: Be aware that the hardware queue size is limited; therefore calling this method rapidly may cause a queue overflow.

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Parameters

  • myA429word: array of ARINC words
  • myNum: [1…64] number of elements to be sent from myA429word

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Return Values

  • 0: myNum ARINC words were transferred successfully to the hardware.
  • 1…64: the number of ARINC words not transferred to hardware (hardware queue full)
  • -1: invalid channel
  • -2: invalid number of labels (0 or > 64)
  • -3: output not allowed on this channel
  • -4: measurement not yet running (e.g. on start or on prestart)
  • -5: transmission error on hardware (besides hardware queue full)

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Example

Transmit ARINC words on request: 
variables
{
  a429Word * myWord[3];
}

on start {
  int i;
  for (i = 0; i < elCount(myWord); i++) {
    myWord[i].msgChannel = 2;
    myWord[i].Id = 64 + i; // create different label numbers
    // send 3 ARINC words with 38.75 and 37.5 us gap
    a429SetGap (myWord[i],
                a429CalcBitLength(myWord[i].msgChannel, 32 - i));
  }
}

on key 's' {
  int i;
  for (i = 0; i < elCount(myWord); i++) {
    myWord[i].byte(1) += 1;
  }
  a429Transmit(myWord, elCount(myWord)); // update
}

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Availability

  • Since Version: CANalyzer 9.0 SP2, CANoe 9.0 SP2
  • Restricted To: A429
  • CANalyzer Measurement Setup (Transmit Branch): ✔
  • CANoe Simulation Setup: ✔
  • CANoe Communication Setup: ✔
  • CANoe Test Setup for Test Modules: ✔
  • CANoe Test Setup for Test Units: ✔
  • 32-Bit: ✔
  • 64-Bit: ✔