bool MmapFile::PeekI24(int32_t *pValue, bool networkOrder) {
*pValue = 0;
if (!PeekBuffer((uint8_t *) pValue, 3))
return false;
if (networkOrder)
*pValue = ENTOHL(*pValue) >> 8; //----MARKED-LONG---
else
bool MmapFile::PeekI16(int16_t *pValue, bool networkOrder) {
if (!PeekBuffer((uint8_t *) pValue, 2))
return false;
if (networkOrder)
*pValue = ENTOHS(*pValue); //----MARKED-SHORT----
return true;
}
// This is a example OnRun() and can be used in common-simple case.
// If the pin shall response to other commands besides CMD_STOP,
// it should override OnCmd().
void CPacketActiveInputPin::OnRun()
{
CmdAck(ME_OK);
CQueue::WaitResult result;
CPacket *pPacket;
CMD cmd;
while (true) {
CQueue::QType type = mpWorkQ->WaitDataMsg(&cmd, sizeof(cmd), &result);
if (type == CQueue::Q_MSG) {
// running state, received a cmd
if (cmd.code == AO::CMD_STOP) {
CmdAck(ME_OK);
INFO("%s pin received stop command!", GetName());
break;
}
} else {
// a buffer
if (PeekBuffer(pPacket)) {
AM_ERR err = ProcessBuffer(pPacket);
if (err != ME_OK) {
if (err != ME_CLOSED)
PostEngineErrorMsg(err);
break;
}
}
}
}
}
bool MmapFile::PeekI8(int8_t *pValue) {
return PeekBuffer((uint8_t *) pValue, 1);
}
bool MmapFile::ReadBuffer(uint8_t *pBuffer, uint64_t count) {
if (!PeekBuffer(pBuffer, count))
return false;
return SeekAhead(count);
}