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Merge pull request 'important bugfix for linux i2c device com IF' (#700) from eive/fsfw:mueller/i2c-com-if-bugfix into development

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Reviewed-on: fsfw/fsfw#700
This commit is contained in:
Steffen Gaisser 2022-10-24 14:35:01 +02:00
commit c6585c8645
3 changed files with 9 additions and 11 deletions
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3
CHANGELOG.md
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@ -12,6 +12,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
## Fixes
- I2C Bugfixes: Do not keep iterator as member and fix some incorrect handling with the iterator.
Also properly reset the reply size for successfull transfers and erroneous transfers.
PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/700
- Bugfix for Serial Buffer Stream: Setting `doActive` to false now
actually fully disables printing.
PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/680

15
src/fsfw_hal/linux/i2c/I2cComIF.cpp
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@ -41,7 +41,7 @@ ReturnValue_t I2cComIF::initializeInterface(CookieIF* cookie) {
i2cAddress = i2cCookie->getAddress();
i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
auto i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
if (i2cDeviceMapIter == i2cDeviceMap.end()) {
size_t maxReplyLen = i2cCookie->getMaxReplyLen();
I2cInstance i2cInstance = {std::vector<uint8_t>(maxReplyLen), 0};
@ -89,7 +89,7 @@ ReturnValue_t I2cComIF::sendMessage(CookieIF* cookie, const uint8_t* sendData, s
}
address_t i2cAddress = i2cCookie->getAddress();
i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
auto i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
if (i2cDeviceMapIter == i2cDeviceMap.end()) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "I2cComIF::sendMessage: i2cAddress of Cookie not "
@ -140,20 +140,19 @@ ReturnValue_t I2cComIF::requestReceiveMessage(CookieIF* cookie, size_t requestLe
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "I2cComIF::requestReceiveMessage: Invalid I2C Cookie!" << std::endl;
#endif
i2cDeviceMapIter->second.replyLen = 0;
return NULLPOINTER;
}
address_t i2cAddress = i2cCookie->getAddress();
i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
auto i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
if (i2cDeviceMapIter == i2cDeviceMap.end()) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "I2cComIF::requestReceiveMessage: i2cAddress of Cookie not "
<< "registered in i2cDeviceMap" << std::endl;
#endif
i2cDeviceMapIter->second.replyLen = 0;
return returnvalue::FAILED;
}
i2cDeviceMapIter->second.replyLen = 0;
deviceFile = i2cCookie->getDeviceFile();
UnixFileGuard fileHelper(deviceFile, &fd, O_RDWR, "I2cComIF::requestReceiveMessage");
@ -162,7 +161,6 @@ ReturnValue_t I2cComIF::requestReceiveMessage(CookieIF* cookie, size_t requestLe
}
result = openDevice(deviceFile, i2cAddress, &fd);
if (result != returnvalue::OK) {
i2cDeviceMapIter->second.replyLen = 0;
return result;
}
@ -177,7 +175,6 @@ ReturnValue_t I2cComIF::requestReceiveMessage(CookieIF* cookie, size_t requestLe
sif::error << "I2cComIF::requestReceiveMessage: Read only " << readLen << " from " << requestLen
<< " bytes" << std::endl;
#endif
i2cDeviceMapIter->second.replyLen = 0;
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::debug << "I2cComIF::requestReceiveMessage: Read " << readLen << " of " << requestLen
<< " bytes" << std::endl;
@ -204,7 +201,7 @@ ReturnValue_t I2cComIF::readReceivedMessage(CookieIF* cookie, uint8_t** buffer,
}
address_t i2cAddress = i2cCookie->getAddress();
i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
auto i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
if (i2cDeviceMapIter == i2cDeviceMap.end()) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "I2cComIF::readReceivedMessage: i2cAddress of Cookie not "
@ -214,7 +211,7 @@ ReturnValue_t I2cComIF::readReceivedMessage(CookieIF* cookie, uint8_t** buffer,
}
*buffer = i2cDeviceMapIter->second.replyBuffer.data();
*size = i2cDeviceMapIter->second.replyLen;
i2cDeviceMapIter->second.replyLen = 0;
return returnvalue::OK;
}

2
src/fsfw_hal/linux/i2c/I2cComIF.h
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@ -36,12 +36,10 @@ class I2cComIF : public DeviceCommunicationIF, public SystemObject {
};
using I2cDeviceMap = std::unordered_map<address_t, I2cInstance>;
using I2cDeviceMapIter = I2cDeviceMap::iterator;
/* In this map all i2c devices will be registered with their address and
* the appropriate file descriptor will be stored */
I2cDeviceMap i2cDeviceMap;
I2cDeviceMapIter i2cDeviceMapIter;
/**
* @brief This function opens an I2C device and binds the opened file