IEI Technology VTT-1000, User Manual, Page: 38 / 61

VTT-1000 Vehicle Tracking Terminal
Page 30
5.3.1 Digital I/O API
BOOL DIO_WRITE0(byte* pByteHighOrLow):
 Input : byte*, 1 byte data
 Output : void
 Return : BOOL, true or false
BOOL DIO_WRITE1(byte* pByteHighOrLow):
 Input : byte*, 1 byte data
 Output : void
 Return : BOOL, true or false
BOOL DIO_READ0(byte* pByteHighOrLow):
 Pin 1 read
 Input : void
 Output : byte*, 8 byte array buffer
 Return : BOOL, true or false
BOOL DIO_WRITE1(byte* pByteHighOrLow):
 Pin 2
 Input : void
 Output : byte*, 8 byte array buffer
 Return : BOOL, true or false
5.3.2 COM (Serial) Port API
BOOL COM_Open( int nPort, int nBaud ):
 Input : int, port number
 Input : int, boud rate
 Output : void
 Return : BOOL, true or false