Merge branch 'development' into mohr/enableDisable

This commit is contained in:
Robin Müller 2022-09-12 14:11:38 +02:00
commit 6a6aa7fdd6
6 changed files with 65 additions and 78 deletions

View File

@ -360,7 +360,7 @@ if(NOT FSFW_CONFIG_PATH)
if(NOT FSFW_BUILD_DOCS) if(NOT FSFW_BUILD_DOCS)
message( message(
WARNING WARNING
"${MSG_PREFIX} Flight Software Framework configuration path not set") "${MSG_PREFIX} Flight Software Framework configuration path FSFW_CONFIG_PATH not set")
message( message(
WARNING WARNING
"${MSG_PREFIX} Setting default configuration from ${DEF_CONF_PATH} ..") "${MSG_PREFIX} Setting default configuration from ${DEF_CONF_PATH} ..")

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@ -161,7 +161,7 @@ void TcpTmTcServer::handleServerOperation(socket_t& connSocket) {
while (true) { while (true) {
ssize_t retval = recv(connSocket, reinterpret_cast<char*>(receptionBuffer.data()), ssize_t retval = recv(connSocket, reinterpret_cast<char*>(receptionBuffer.data()),
receptionBuffer.capacity(), tcpConfig.tcpFlags); receptionBuffer.size(), tcpConfig.tcpFlags);
if (retval == 0) { if (retval == 0) {
size_t availableReadData = ringBuffer.getAvailableReadData(); size_t availableReadData = ringBuffer.getAvailableReadData();
if (availableReadData > lastRingBufferSize) { if (availableReadData > lastRingBufferSize) {
@ -335,31 +335,27 @@ ReturnValue_t TcpTmTcServer::handleTcRingBufferData(size_t availableReadData) {
} }
ringBuffer.readData(receptionBuffer.data(), readAmount, true); ringBuffer.readData(receptionBuffer.data(), readAmount, true);
const uint8_t* bufPtr = receptionBuffer.data(); const uint8_t* bufPtr = receptionBuffer.data();
const uint8_t** bufPtrPtr = &bufPtr; SpacePacketParser::FoundPacketInfo info;
size_t startIdx = 0; if (spacePacketParser == nullptr) {
size_t foundSize = 0; return returnvalue::FAILED;
size_t readLen = 0; }
while (readLen < readAmount) { spacePacketParser->reset();
if (spacePacketParser == nullptr) { while (spacePacketParser->getAmountRead() < readAmount) {
return returnvalue::FAILED; result = spacePacketParser->parseSpacePackets(&bufPtr, readAmount, info);
}
result =
spacePacketParser->parseSpacePackets(bufPtrPtr, readAmount, startIdx, foundSize, readLen);
switch (result) { switch (result) {
case (SpacePacketParser::NO_PACKET_FOUND): case (SpacePacketParser::NO_PACKET_FOUND):
case (SpacePacketParser::SPLIT_PACKET): { case (SpacePacketParser::SPLIT_PACKET): {
break; break;
} }
case (returnvalue::OK): { case (returnvalue::OK): {
result = handleTcReception(receptionBuffer.data() + startIdx, foundSize); result = handleTcReception(receptionBuffer.data() + info.startIdx, info.sizeFound);
if (result != returnvalue::OK) { if (result != returnvalue::OK) {
status = result; status = result;
} }
} }
} }
ringBuffer.deleteData(foundSize); ringBuffer.deleteData(info.sizeFound);
lastRingBufferSize = ringBuffer.getAvailableReadData(); lastRingBufferSize = ringBuffer.getAvailableReadData();
std::memset(receptionBuffer.data() + startIdx, 0, foundSize);
} }
return status; return status;
} }

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@ -6,17 +6,9 @@
SpacePacketParser::SpacePacketParser(std::vector<uint16_t> validPacketIds) SpacePacketParser::SpacePacketParser(std::vector<uint16_t> validPacketIds)
: validPacketIds(validPacketIds) {} : validPacketIds(validPacketIds) {}
ReturnValue_t SpacePacketParser::parseSpacePackets(const uint8_t* buffer, const size_t maxSize,
size_t& startIndex, size_t& foundSize) {
const uint8_t** tempPtr = &buffer;
size_t readLen = 0;
return parseSpacePackets(tempPtr, maxSize, startIndex, foundSize, readLen);
}
ReturnValue_t SpacePacketParser::parseSpacePackets(const uint8_t** buffer, const size_t maxSize, ReturnValue_t SpacePacketParser::parseSpacePackets(const uint8_t** buffer, const size_t maxSize,
size_t& startIndex, size_t& foundSize, FoundPacketInfo& packetInfo) {
size_t& readLen) { if (buffer == nullptr or nextStartIdx > maxSize) {
if (buffer == nullptr or maxSize < 5) {
#if FSFW_CPP_OSTREAM_ENABLED == 1 #if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "SpacePacketParser::parseSpacePackets: Frame invalid" << std::endl; sif::warning << "SpacePacketParser::parseSpacePackets: Frame invalid" << std::endl;
#else #else
@ -26,35 +18,32 @@ ReturnValue_t SpacePacketParser::parseSpacePackets(const uint8_t** buffer, const
} }
const uint8_t* bufPtr = *buffer; const uint8_t* bufPtr = *buffer;
auto verifyLengthField = [&](size_t idx) { auto verifyLengthField = [&](size_t localIdx) {
uint16_t lengthField = bufPtr[idx + 4] << 8 | bufPtr[idx + 5]; uint16_t lengthField = (bufPtr[localIdx + 4] << 8) | bufPtr[localIdx + 5];
size_t packetSize = lengthField + 7; size_t packetSize = lengthField + 7;
startIndex = idx;
ReturnValue_t result = returnvalue::OK; ReturnValue_t result = returnvalue::OK;
if (lengthField == 0) { if (packetSize + localIdx + amountRead > maxSize) {
// Skip whole header for now
foundSize = 6;
result = NO_PACKET_FOUND;
} else if (packetSize + idx > maxSize) {
// Don't increment buffer and read length here, user has to decide what to do // Don't increment buffer and read length here, user has to decide what to do
foundSize = packetSize; packetInfo.sizeFound = packetSize;
return SPLIT_PACKET; return SPLIT_PACKET;
} else { } else {
foundSize = packetSize; packetInfo.sizeFound = packetSize;
} }
*buffer += foundSize; *buffer += packetInfo.sizeFound;
readLen += idx + foundSize; packetInfo.startIdx = localIdx + amountRead;
nextStartIdx = localIdx + amountRead + packetInfo.sizeFound;
amountRead = nextStartIdx;
return result; return result;
}; };
size_t idx = 0; size_t idx = 0;
// Space packet ID as start marker // Space packet ID as start marker
if (validPacketIds.size() > 0) { if (validPacketIds.size() > 0) {
while (idx < maxSize - 5) { while (idx + amountRead < maxSize - 5) {
uint16_t currentPacketId = bufPtr[idx] << 8 | bufPtr[idx + 1]; uint16_t currentPacketId = (bufPtr[idx] << 8) | bufPtr[idx + 1];
if (std::find(validPacketIds.begin(), validPacketIds.end(), currentPacketId) != if (std::find(validPacketIds.begin(), validPacketIds.end(), currentPacketId) !=
validPacketIds.end()) { validPacketIds.end()) {
if (idx + 5 >= maxSize) { if (idx + amountRead >= maxSize - 5) {
return SPLIT_PACKET; return SPLIT_PACKET;
} }
return verifyLengthField(idx); return verifyLengthField(idx);
@ -62,10 +51,10 @@ ReturnValue_t SpacePacketParser::parseSpacePackets(const uint8_t** buffer, const
idx++; idx++;
} }
} }
startIndex = 0; nextStartIdx = maxSize;
foundSize = maxSize; packetInfo.sizeFound = maxSize;
*buffer += foundSize; amountRead = maxSize;
readLen += foundSize; *buffer += maxSize;
return NO_PACKET_FOUND; return NO_PACKET_FOUND;
} }
// Assume that the user verified a valid start of a space packet // Assume that the user verified a valid start of a space packet

View File

@ -17,9 +17,11 @@
*/ */
class SpacePacketParser { class SpacePacketParser {
public: public:
//! The first entry is the index inside the buffer while the second index
//! is the size of the PUS packet starting at that index. struct FoundPacketInfo {
using IndexSizePair = std::pair<size_t, size_t>; size_t startIdx = 0;
size_t sizeFound = 0;
};
static constexpr uint8_t INTERFACE_ID = CLASS_ID::SPACE_PACKET_PARSER; static constexpr uint8_t INTERFACE_ID = CLASS_ID::SPACE_PACKET_PARSER;
static constexpr ReturnValue_t NO_PACKET_FOUND = MAKE_RETURN_CODE(0x00); static constexpr ReturnValue_t NO_PACKET_FOUND = MAKE_RETURN_CODE(0x00);
@ -36,44 +38,32 @@ class SpacePacketParser {
SpacePacketParser(std::vector<uint16_t> validPacketIds); SpacePacketParser(std::vector<uint16_t> validPacketIds);
/** /**
* Parse a given frame for space packets but also increment the given buffer and assign the * Parse a given frame for space packets but also increments the given buffer.
* total number of bytes read so far
* @param buffer Parser will look for space packets in this buffer * @param buffer Parser will look for space packets in this buffer
* @param maxSize Maximum size of the buffer * @param maxSize Maximum size of the buffer
* @param startIndex Start index of a found space packet * @param packetInfo Information about packets found.
* @param foundSize Found size of the space packet * -@c NO_PACKET_FOUND if no packet was found in the given buffer
* @param readLen Length read so far. This value is incremented by the number of parsed * -@c SPLIT_PACKET if a packet was found but the detected size exceeds maxSize. packetInfo
* bytes which also includes the size of a found packet * will contain the detected packet size and start index.
* -@c NO_PACKET_FOUND if no packet was found in the given buffer or the length field is * -@c returnvalue::OK if a packet was found. Packet size and start index will be set in
* invalid. foundSize will be set to the size of the space packet header. buffer and * packetInfo
* readLen will be incremented accordingly.
* -@c SPLIT_PACKET if a packet was found but the detected size exceeds maxSize. foundSize
* will be set to the detected packet size and startIndex will be set to the start of the
* detected packet. buffer and read length will not be incremented but the found length
* will be assigned.
* -@c returnvalue::OK if a packet was found
*/ */
ReturnValue_t parseSpacePackets(const uint8_t** buffer, const size_t maxSize, size_t& startIndex, ReturnValue_t parseSpacePackets(const uint8_t** buffer, const size_t maxSize,
size_t& foundSize, size_t& readLen); FoundPacketInfo& packetInfo);
/** size_t getAmountRead() {
* Parse a given frame for space packets return amountRead;
* @param buffer Parser will look for space packets in this buffer }
* @param maxSize Maximum size of the buffer
* @param startIndex Start index of a found space packet void reset() {
* @param foundSize Found size of the space packet nextStartIdx = 0;
* -@c NO_PACKET_FOUND if no packet was found in the given buffer or the length field is amountRead = 0;
* invalid. foundSize will be set to the size of the space packet header }
* -@c SPLIT_PACKET if a packet was found but the detected size exceeds maxSize. foundSize
* will be set to the detected packet size and startIndex will be set to the start of the
* detected packet
* -@c returnvalue::OK if a packet was found
*/
ReturnValue_t parseSpacePackets(const uint8_t* buffer, const size_t maxSize, size_t& startIndex,
size_t& foundSize);
private: private:
std::vector<uint16_t> validPacketIds; std::vector<uint16_t> validPacketIds;
size_t nextStartIdx = 0;
size_t amountRead = 0;
}; };
#endif /* FRAMEWORK_TMTCSERVICES_PUSPARSER_H_ */ #endif /* FRAMEWORK_TMTCSERVICES_PUSPARSER_H_ */

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@ -1 +1,3 @@
add_subdirectory(gpio) add_subdirectory(gpio)
target_sources(${LIB_FSFW_NAME} PRIVATE printChar.c)

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@ -0,0 +1,10 @@
#include <stdio.h>
#include <stdbool.h>
void __attribute__((weak)) printChar(const char* character, bool errStream) {
if (errStream) {
fprintf(stderr, "%c", *character);
} else {
printf("%c", *character);
}
}