eive-obsw/linux/devices/ImtqPollingTask.cpp
Robin Mueller b1d56eb299
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most important features working
2023-02-19 12:25:26 +01:00

347 lines
11 KiB
C++

#include "ImtqPollingTask.h"
#include <fcntl.h>
#include <fsfw/tasks/SemaphoreFactory.h>
#include <fsfw/tasks/TaskFactory.h>
#include <fsfw/timemanager/Stopwatch.h>
#include <fsfw_hal/linux/UnixFileGuard.h>
#include <linux/i2c-dev.h>
#include <sys/ioctl.h>
#include "fsfw/FSFW.h"
ImtqPollingTask::ImtqPollingTask(object_id_t imtqPollingTask) : SystemObject(imtqPollingTask) {
semaphore = SemaphoreFactory::instance()->createBinarySemaphore();
semaphore->acquire();
ipcLock = MutexFactory::instance()->createMutex();
bufLock = MutexFactory::instance()->createMutex();
}
ReturnValue_t ImtqPollingTask::performOperation(uint8_t operationCode) {
size_t replyLen = 0;
uint8_t* replyPtr;
while (true) {
ipcLock->lockMutex();
state = InternalState::IDLE;
ipcLock->unlockMutex();
semaphore->acquire();
comStatus = returnvalue::OK;
// Stopwatch watch;
auto i2cCmdExecDefault = [&](imtq::CC::CC cc, ReturnValue_t comErrIfFails =
imtq::MGM_MEASUREMENT_LOW_LEVEL_ERROR) {
ReturnValue_t res = performI2cFullRequest(replyPtr + 1, replyLen);
if (res != returnvalue::OK) {
sif::error << "IMTQ: I2C transaction for command 0x" << std::hex << std::setw(2) << cc
<< " failed" << std::dec << std::endl;
comStatus = comErrIfFails;
return returnvalue::FAILED;
}
if (replyPtr[1] != cc) {
sif::warning << "IMTQ: Unexpected CC 0x" << std::hex << std::setw(2)
<< static_cast<int>(replyPtr[1]) << " for command 0x" << cc << std::dec
<< std::endl;
comStatus = comErrIfFails;
return returnvalue::FAILED;
}
replyPtr[0] = true;
return returnvalue::OK;
};
switch (currentRequest) {
case imtq::RequestType::MEASURE: {
ImtqRepliesDefault replies(replyBuf.data());
auto i2cCmdExecMeasure = [&](imtq::CC::CC cc) {
ccToReplyPtrMeasure(replies, cc, &replyPtr, replyLen);
return i2cCmdExecDefault(cc);
};
cmdLen = 1;
cmdBuf[0] = imtq::CC::START_MTM_MEASUREMENT;
if (i2cCmdExecMeasure(imtq::CC::START_MTM_MEASUREMENT) != returnvalue::OK) {
break;
}
cmdBuf[0] = imtq::CC::GET_SYSTEM_STATE;
if (i2cCmdExecMeasure(imtq::CC::GET_SYSTEM_STATE) != returnvalue::OK) {
break;
}
// Takes a bit of time to take measurements. Subtract a bit because of the delay of previous
// commands.
TaskFactory::delayTask(currentIntegrationTimeMs - 1);
cmdBuf[0] = imtq::CC::GET_RAW_MTM_MEASUREMENT;
if (i2cCmdExecMeasure(imtq::CC::GET_RAW_MTM_MEASUREMENT) != returnvalue::OK) {
break;
}
cmdBuf[0] = imtq::CC::GET_ENG_HK_DATA;
if (i2cCmdExecMeasure(imtq::CC::GET_ENG_HK_DATA) != returnvalue::OK) {
break;
}
cmdBuf[0] = imtq::CC::GET_CAL_MTM_MEASUREMENT;
if (i2cCmdExecMeasure(imtq::CC::GET_CAL_MTM_MEASUREMENT) != returnvalue::OK) {
break;
}
break;
}
case imtq::RequestType::ACTUATE: {
ImtqRepliesWithTorque replies(replyBufActuation.data());
auto i2cCmdExecActuate = [&](imtq::CC::CC cc) {
ccToReplyPtrActuate(replies, cc, &replyPtr, replyLen);
return i2cCmdExecDefault(cc, imtq::ACTUATE_CMD_LOW_LEVEL_ERROR);
};
buildDipoleCommand();
if (i2cCmdExecActuate(imtq::CC::START_ACTUATION_DIPOLE) != returnvalue::OK) {
break;
}
cmdLen = 1;
cmdBuf[0] = imtq::CC::START_MTM_MEASUREMENT;
if (i2cCmdExecActuate(imtq::CC::START_MTM_MEASUREMENT) != returnvalue::OK) {
break;
}
TaskFactory::delayTask(currentIntegrationTimeMs);
cmdBuf[0] = imtq::CC::GET_RAW_MTM_MEASUREMENT;
if (i2cCmdExecActuate(imtq::CC::GET_RAW_MTM_MEASUREMENT) != returnvalue::OK) {
break;
}
cmdBuf[0] = imtq::CC::GET_ENG_HK_DATA;
if (i2cCmdExecActuate(imtq::CC::GET_ENG_HK_DATA) != returnvalue::OK) {
break;
}
break;
}
};
}
return returnvalue::OK;
}
ReturnValue_t ImtqPollingTask::initialize() { return returnvalue::OK; }
ReturnValue_t ImtqPollingTask::initializeInterface(CookieIF* cookie) {
i2cCookie = dynamic_cast<I2cCookie*>(cookie);
if (i2cCookie == nullptr) {
sif::error << "ImtqPollingTask::initializeInterface: Invalid I2C cookie" << std::endl;
return returnvalue::FAILED;
}
i2cDev = i2cCookie->getDeviceFile().c_str();
i2cAddr = i2cCookie->getAddress();
return returnvalue::OK;
}
ReturnValue_t ImtqPollingTask::sendMessage(CookieIF* cookie, const uint8_t* sendData,
size_t sendLen) {
ImtqRequest request(sendData, sendLen);
{
MutexGuard mg(ipcLock);
currentRequest = request.getRequestType();
if (currentRequest == imtq::RequestType::ACTUATE) {
std::memcpy(dipoles, request.getDipoles(), 6);
torqueDuration = request.getTorqueDuration();
}
specialRequest = request.getSpecialRequest();
if (state != InternalState::IDLE) {
return returnvalue::FAILED;
}
state = InternalState::BUSY;
}
semaphore->release();
return returnvalue::OK;
}
ReturnValue_t ImtqPollingTask::getSendSuccess(CookieIF* cookie) { return returnvalue::OK; }
ReturnValue_t ImtqPollingTask::requestReceiveMessage(CookieIF* cookie, size_t requestLen) {
return returnvalue::OK;
}
void ImtqPollingTask::ccToReplyPtrMeasure(ImtqRepliesDefault& replies, imtq::CC::CC cc,
uint8_t** replyBuf, size_t& replyLen) {
replyLen = imtq::getReplySize(cc);
switch (cc) {
case (imtq::CC::CC::GET_ENG_HK_DATA): {
*replyBuf = replies.engHk;
break;
}
case (imtq::CC::CC::SOFTWARE_RESET): {
*replyBuf = replies.swReset;
break;
}
case (imtq::CC::CC::GET_SYSTEM_STATE): {
*replyBuf = replies.systemState;
break;
}
case (imtq::CC::CC::START_MTM_MEASUREMENT): {
*replyBuf = replies.startMtmMeasurement;
break;
}
case (imtq::CC::CC::GET_RAW_MTM_MEASUREMENT): {
*replyBuf = replies.rawMgmMeasurement;
break;
}
case (imtq::CC::CC::GET_CAL_MTM_MEASUREMENT): {
*replyBuf = replies.calibMgmMeasurement;
break;
}
default: {
*replyBuf = replies.specialRequestReply;
break;
}
}
}
void ImtqPollingTask::ccToReplyPtrActuate(ImtqRepliesWithTorque& replies, imtq::CC::CC cc,
uint8_t** replyBuf, size_t& replyLen) {
replyLen = imtq::getReplySize(cc);
switch (cc) {
case (imtq::CC::CC::START_ACTUATION_DIPOLE): {
*replyBuf = replies.dipoleActuation;
break;
}
case (imtq::CC::CC::GET_ENG_HK_DATA): {
*replyBuf = replies.engHk;
break;
}
case (imtq::CC::CC::START_MTM_MEASUREMENT): {
*replyBuf = replies.startMtmMeasurement;
break;
}
case (imtq::CC::CC::GET_RAW_MTM_MEASUREMENT): {
*replyBuf = replies.rawMgmMeasurement;
break;
}
default: {
*replyBuf = nullptr;
replyLen = 0;
break;
}
}
}
size_t ImtqPollingTask::getExchangeBufLen(imtq::SpecialRequest specialRequest) {
size_t baseLen = ImtqRepliesDefault::BASE_LEN;
switch (specialRequest) {
case (imtq::SpecialRequest::NONE):
case (imtq::SpecialRequest::DO_SELF_TEST_X):
case (imtq::SpecialRequest::DO_SELF_TEST_Y):
case (imtq::SpecialRequest::DO_SELF_TEST_Z): {
break;
}
case (imtq::SpecialRequest::GET_SELF_TEST_RESULT): {
baseLen += imtq::replySize::SELF_TEST_RESULTS;
break;
}
}
return baseLen;
}
void ImtqPollingTask::buildDipoleCommand() {
cmdBuf[0] = imtq::CC::CC::START_ACTUATION_DIPOLE;
uint8_t* serPtr = cmdBuf.data() + 1;
size_t serLen = 0;
for (uint8_t idx = 0; idx < 3; idx++) {
SerializeAdapter::serialize(&dipoles[idx], &serPtr, &serLen, cmdBuf.size(),
SerializeIF::Endianness::LITTLE);
}
SerializeAdapter::serialize(&torqueDuration, &serPtr, &serLen, cmdBuf.size(),
SerializeIF::Endianness::LITTLE);
cmdLen = 1 + serLen;
}
ReturnValue_t ImtqPollingTask::readReceivedMessage(CookieIF* cookie, uint8_t** buffer,
size_t* size) {
imtq::RequestType currentRequest;
{
MutexGuard mg(ipcLock);
currentRequest = this->currentRequest;
}
size_t replyLen = 0;
MutexGuard mg(bufLock);
if (currentRequest == imtq::RequestType::MEASURE) {
replyLen = getExchangeBufLen(specialRequest);
memcpy(exchangeBuf.data(), replyBuf.data(), replyLen);
} else {
replyLen = ImtqRepliesWithTorque::BASE_LEN;
memcpy(exchangeBuf.data(), replyBufActuation.data(), replyLen);
}
*buffer = exchangeBuf.data();
*size = replyLen;
return comStatus;
}
void ImtqPollingTask::clearReadFlags(ImtqRepliesDefault& replies) {
replies.calibMgmMeasurement[0] = false;
replies.rawMgmMeasurement[0] = false;
replies.systemState[0] = false;
replies.specialRequestReply[0] = false;
replies.engHk[0] = false;
}
ReturnValue_t ImtqPollingTask::performI2cFullRequest(uint8_t* reply, size_t replyLen) {
int fd = 0;
if (cmdLen == 0 or reply == nullptr) {
return returnvalue::FAILED;
}
{
UnixFileGuard fileHelper(i2cDev, fd, O_RDWR, "ImtqPollingTask::performI2cFullRequest");
if (fileHelper.getOpenResult() != returnvalue::OK) {
return fileHelper.getOpenResult();
}
if (ioctl(fd, I2C_SLAVE, i2cAddr) < 0) {
sif::warning << "Opening IMTQ slave device failed with code " << errno << ": "
<< strerror(errno) << std::endl;
}
int written = write(fd, cmdBuf.data(), cmdLen);
if (written < 0) {
sif::error << "IMTQ: Failed to send with error code " << errno
<< ". Error description: " << strerror(errno) << std::endl;
return returnvalue::FAILED;
} else if (static_cast<size_t>(written) != cmdLen) {
sif::error << "IMTQ: Could not write all bytes" << std::endl;
return returnvalue::FAILED;
}
}
#if FSFW_HAL_I2C_WIRETAPPING == 1
sif::info << "Sent I2C data to bus " << deviceFile << ":" << std::endl;
arrayprinter::print(sendData, sendLen);
#endif
// wait 1 ms like specified in the datasheet. This is the time the IMTQ needs
// to prepare a reply.
usleep(1000);
{
UnixFileGuard fileHelper(i2cDev, fd, O_RDWR, "ImtqPollingTask::performI2cFullRequest");
if (fileHelper.getOpenResult() != returnvalue::OK) {
return fileHelper.getOpenResult();
}
if (ioctl(fd, I2C_SLAVE, i2cAddr) < 0) {
sif::warning << "Opening IMTQ slave device failed with code " << errno << ": "
<< strerror(errno) << std::endl;
}
MutexGuard mg(bufLock);
int readLen = read(fd, reply, replyLen);
if (readLen != static_cast<int>(replyLen)) {
if (readLen < 0) {
sif::warning << "IMTQ: Reading failed with error code " << errno << " | " << strerror(errno)
<< std::endl;
} else {
sif::warning << "IMTQ: Read only" << readLen << " from " << replyLen << " bytes"
<< std::endl;
}
}
}
if (reply[0] == 0xff or reply[1] == 0xff) {
sif::warning << "IMTQ: No reply available after 1 millisecond";
return NO_REPLY_AVAILABLE;
}
return returnvalue::OK;
}