The Internet Power Line Adapter - University of Queensland

Home Automation, Power Lines and the Internet Quenten Alick
*
* send statistics to host
*/
if (!tbufferInUse) {
tbuffer.functionID = STATS_CMD;
temp[0] = LOW_BYTE_OF(txSuccess);
temp[1] = HIGH_BYTE_OF(txSuccess);
if (recdPkts) {
temp[2] = rxLPDU.LSDU[2];
temp[3] = rxLPDU.LSDU[1];
}
else {
temp[2] = 0;
temp[3] = 0;
}
temp[4] = LOW_BYTE_OF(txRcvValid);
temp[5] = HIGH_BYTE_OF(txRcvValid);
tbuffer.buf = temp;
ResponseToHost(6);
testRunning = FALSE;
}
}
boolean ProcessTransmitEnd( boolean forced )
{
/*
* TRANSMITTING DEVICE:
*
* when forced (as result of "query" host command) or
when the running
* transmit counter equals the number of host
determined packets, send
* "get count" packet to remote device
*
* return TRUE only if "get count" packet sent to remote
device
*/
if (forced || (txCount == txMax)) {
transmitting = FALSE;
/*
* transmit "get count" packet
*/
if (TxBfrAvailable) {
txLPDU.LPDUheader = txService |
STD_PRIORITY | BASIC_SERVICE;
txLPDU.DA.LSB = 0x02;
txLPDU.DA.MSB = 0x00;
txLPDU.DHC.LSB = config.systemAddr.LSB;
txLPDU.DHC.MSB = config.systemAddr.MSB;
txLPDU.SA.LSB = config.unitAddr.LSB;
txLPDU.SA.MSB = config.unitAddr.MSB;
txLPDU.SHC.LSB = config.systemAddr.LSB;
txLPDU.SHC.MSB = config.systemAddr.MSB;
txLPDU.LSDU[0] = GET_COUNT_PKT;
txLPDU.LPDUlength = CEBUS_HEADER_LEN +
1;
transmitCompleted = FALSE;
TransmitPacket(USE_WTI | USE_DELAY); /*
use WTI command w/ delay */
response_timer = GetVeryLowResTimeByte() +
TWO_SECS;
responseTimerRunning = TRUE;
waitingForLoopback = FALSE;
return TRUE;
} else {
return FALSE;
}
} else {
return FALSE;
}
}
- 57 -
void ProcessValidPacket( void )
{
boolean validCompare; /* comparison flag */
uint8 i; /* local counter */
validCompare = TRUE;
for(i=3;i