eive/eive-obsw
eive/eive-obsw
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refactor DLE parsing and move semaphore release up top
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This commit is contained in:
Robin Müller 2022-10-04 18:38:53 +02:00
parent 68fdb68fe6
commit 0c389177e3
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GPG Key ID: 11D4952C8CCEF814
2 changed files with 22 additions and 6 deletions
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2
fsfw

@ -1 +1 @@
Subproject commit c47bed07606548fd2510caa45bdd9fc867732065
Subproject commit cfc00d02607d22ec306d0540f9f2329774df1cdd

26
linux/devices/ScexUartReader.cpp
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@ -35,6 +35,7 @@ ReturnValue_t ScexUartReader::performOperation(uint8_t operationCode) {
while (true) {
semaphore->acquire();
int bytesRead = 0;
// debugMode = true;
while (true) {
bytesRead = read(serialPort, reinterpret_cast<void *>(recBuf.data()),
static_cast<unsigned int>(recBuf.size()));
@ -44,6 +45,21 @@ ReturnValue_t ScexUartReader::performOperation(uint8_t operationCode) {
state = States::IDLE;
break;
}
size_t bytesRead = 0;
ReturnValue_t result = returnvalue::OK;
while (result != DleParser::NO_PACKET_FOUND) {
result = dleParser.parseRingBuf(bytesRead);
if (result == returnvalue::OK) {
// Packet found, advance read pointer.
// currentBytesRead = 0;
dleParser.confirmBytesRead(bytesRead);
} else if (result == DleParser::POSSIBLE_PACKET_LOSS) {
// Markers found at wrong place
// which might be a hint for a possibly lost packet.
// currentBytesRead = 0;
dleParser.confirmBytesRead(bytesRead);
}
}
TaskFactory::delayTask(400);
} else if (bytesRead < 0) {
sif::warning << "ScexUartReader::performOperation: read call failed with error [" << errno
@ -124,8 +140,12 @@ ReturnValue_t ScexUartReader::sendMessage(CookieIF *cookie, const uint8_t *sendD
}
state = States::RUNNING;
lock->unlockMutex();
ReturnValue_t result = semaphore->release();
if (result != OK) {
std::cout << "ScexUartReader::sendMessage: Releasing semaphore failed" << std::endl;
}
size_t encodedLen = 0;
ReturnValue_t result =
result =
dleEncoder.encode(sendData, sendLen, cmdbuf.data(), cmdbuf.size(), &encodedLen, true);
if (result != OK) {
sif::warning << "ScexUartReader::sendMessage: Encoding failed" << std::endl;
@ -137,10 +157,6 @@ ReturnValue_t ScexUartReader::sendMessage(CookieIF *cookie, const uint8_t *sendD
<< std::endl;
return FAILED;
}
result = semaphore->release();
if (result != OK) {
std::cout << "ScexUartReader::sendMessage: Releasing semaphore failed" << std::endl;
}
return OK;
}