CAPLfunctionJ1939InitPGData

J1939InitPGData

Valid for: CANoe DE • CANoe4SW DE

Function Syntax

long J1939InitPGData (pg * aPG);

Description

Sets all data bytes of the parameter group to 255.

Parameters

• aPG: Parameter group which is initialized.

Return Values

• 0: Initialization succeeded
• -1: General error

Example

void SendPositiveAcknowledgment(byte groupFctValue, byte addressAcknowldged, byte pgn)
{
  pg ACKM ackm;
  J1939InitPGData(ackm);
  ackm.sa = 0;
  ackm.da = 1;
  ackm.ControlByte = ACKM.ControlByte::ACK;
  ackm.GroupFunctionValue = groupFctValue;
  ackm.AddressAcknowledged = addressAcknowldged;
  ackm.ParameterGroupNumber = pgn;
  output(ackm);
}