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Minor: adding comments

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Gerhard Hoffmann 2024-10-15 10:49:30 +02:00
parent 2b2cd25276
commit 0f7ab3c71c
1 changed files with 17 additions and 3 deletions
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20
src/datIf.cpp
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@ -551,26 +551,40 @@ char T_datif::loadRecDataFromFrame()
if (myDCIF && myDCIF->getSerialPort()) {
QVector<uint16_t> &readCmds = myDCIF->getSerialPort()->getReadCmds();
if (readCmds.size() == 1) {
if (readCmds.size() == 1) { // there can be only one command been sent to the DC
// the command number active at the moment must be the same as the saved one
if (readSource == myDCIF->getReadSource() && readSource == readCmds[0]) {
// maybe we have sent a explicit request for a test-response
if (waitForTestResponse) {
if (readCmds[0] == CMD2DC_TestSerial) {
if (QString(QByteArray((char const *)receivedData, RdDleng)) == "< SlaveResponse") {
waitForTestResponse = false;
((hwapi *)parent())->dc_autoRequest(true);
qCritical() << __func__ << ":" << __LINE__ << "turn on auto-request";
((hwapi *)parent())->dc_autoRequest(true); // return autorequest to true
} else {
qCritical() << __func__ << ":" << __LINE__ << "received wrong test-response"
<< QString(QByteArray((char const *)receivedData, RdDleng));
}
}
} else {
// usual handling of response
}
readCmds.clear();
} else {
} else { // error
qCritical() << __func__ << ":" << __LINE__ << ":" << readSource << myDCIF->getReadSource() << readCmds[0];
qCritical() << __func__ << ":" << __LINE__ << ":" << QByteArray((char const *)receivedData, RdDleng).toHex(':');
readCmds.clear();
return 0;
}
} else {
// error: read commands has not size 1 as it should be: turn off
// auto requests and send explicit request for test-response:
// once this response has been received, turn on the autmatic requests
// again.
readCmds.clear();
if (parent()) {
qCritical() << __func__ << ":" << __LINE__ << "turn off auto-request";
qCritical() << __func__ << ":" << __LINE__ << "send request for test-response";
waitForTestResponse = true;
((hwapi *)parent())->dc_autoRequest(false);
((hwapi *)parent())->dc_requTestResponse();