Subject:
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a serial message receive
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Newsgroups:
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lugnet.robotics.spybotics
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Date:
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Tue, 21 Dec 2004 11:46:57 GMT
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Viewed:
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6812 times
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hello, can say someone to me why this program not functioned?
I connected the exit of spybot with the entrance by a light conductor
and would like a serial message to send and these at the same time receive!
my asks: 1. which worth the message INDEX must have?
2. which worth the message COMMAND must have?
greeting Peter
task main()
{
int i,j;
SetSerialType( SERIAL_TYPE_USER ); // typ user
SetSerialBaud( SERIAL_BAUD_2400 ); // baud rate 2400
SetSerialChannel( SERIAL_CHANNEL_PC ); // direction pc
SetSerialPreamblePos( 0 ); // start position preamble
SetSerialPreambleLen( 0 ); // preamble length
SetSerialChecksum( 0 ); // chechsum scheme
SetSerialBiPhase( 0 ); // bi-phase scheme
SetRxMessageLock( 0 ); // receive buffer unlock
SetSerialData( 0, 0x?? ); // MSG_INDEX ???
SetSerialData( 1, 0x?? ); // MSG_COMMAND ???
SetSerialData( 2, 0xaa ); // MSG_HI_BYTE
SetSerialData( 3, 0x55 ); // MSG_LO_BYTE
do
{
SendSerial( 0, 4 );
Wait( 2 ); // time to transmit 20ms
if( RxMessageChannel() == MSG_PC ) // returns MSG_IR or MSG_PC
PlaySound(SOUND_CLICK);
}while( true );
}
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