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