clocks suck a little less

src/fsfw/devicehandlers/DeviceHandlerBase.cpp

@@ -321,8 +321,7 @@ void DeviceHandlerBase::doStateMachine() {
       if (mode != currentMode) {
         break;
       }
-      uint32_t currentUptime;
-      Clock::getUptime(&currentUptime);
+      uint32_t currentUptime = Clock::getUptime_ms();
       if (currentUptime - timeoutStart >= childTransitionDelay) {
 #if FSFW_VERBOSE_LEVEL >= 1 && FSFW_OBJ_EVENT_TRANSLATION == 0
         char printout[60];
@@ -346,8 +345,7 @@ void DeviceHandlerBase::doStateMachine() {
       setMode(_MODE_WAIT_ON);
       break;
     case _MODE_WAIT_ON: {
-      uint32_t currentUptime;
-      Clock::getUptime(&currentUptime);
+      uint32_t currentUptime = Clock::getUptime_ms();
       if (powerSwitcher != nullptr and
           currentUptime - timeoutStart >= powerSwitcher->getSwitchDelayMs()) {
         triggerEvent(MODE_TRANSITION_FAILED, PowerSwitchIF::SWITCH_TIMEOUT, 0);
@@ -366,8 +364,7 @@ void DeviceHandlerBase::doStateMachine() {
       }
     } break;
     case _MODE_WAIT_OFF: {
-      uint32_t currentUptime;
-      Clock::getUptime(&currentUptime);
+      uint32_t currentUptime = Clock::getUptime_ms();
 
       if (powerSwitcher == nullptr) {
         setMode(MODE_OFF);
@@ -577,7 +574,7 @@ void DeviceHandlerBase::setMode(Mode_t newMode, uint8_t newSubmode) {
     modeHelper.modeChanged(newMode, newSubmode);
     announceMode(false);
   }
-  Clock::getUptime(&timeoutStart);
+  timeoutStart = Clock::getUptime_ms();
 
   if (mode == MODE_OFF and thermalSet != nullptr) {
     ReturnValue_t result = thermalSet->read();

src/fsfw/osal/linux/Clock.cpp

@@ -37,20 +37,8 @@ timeval Clock::getUptime() {
   timeval uptime{0,0};
   double uptimeSeconds;
   if (std::ifstream("/proc/uptime", std::ios::in) >> uptimeSeconds) {
-    uptime->tv_sec = uptimeSeconds;
-    uptime->tv_usec = uptimeSeconds * (double)1e6 - (uptime->tv_sec * 1e6);
+    uptime.tv_sec = uptimeSeconds;
+    uptime.tv_usec = uptimeSeconds * (double)1e6 - (uptime.tv_sec * 1e6);
   }
   return uptime;
-}
-
-// Wait for new FSFW Clock function delivering seconds uptime.
-// uint32_t Clock::getUptimeSeconds() {
-//	//TODO This is not posix compatible and delivers only seconds precision
-//	struct sysinfo sysInfo;
-//	int result = sysinfo(&sysInfo);
-//	if(result != 0){
-//		return returnvalue::FAILED;
-//	}
-//	return sysInfo.uptime;
-//}
-
+}

src/fsfw/osal/rtems/Clock.cpp

@@ -6,20 +6,21 @@
 #include "fsfw/ipc/MutexGuard.h"
 #include "fsfw/osal/rtems/RtemsBasic.h"
 
-uint32_t Clock::getTicksPerSecond(void) {
-  rtems_interval ticks_per_second = rtems_clock_get_ticks_per_second();
-  return static_cast<uint32_t>(ticks_per_second);
-}
 
-ReturnValue_t Clock::setClock(const TimeOfDay_t* time) {
+ReturnValue_t Clock::setClock(const timeval* time) {
+  TimeOfDay_t time_tod;
+  ReturnValue_t result = convertTimevalToTimeOfDay(time, &time_tod);
+  if (result != returnvalue::OK) {
+    return result;
+  }
   rtems_time_of_day timeRtems;
-  timeRtems.year = time->year;
-  timeRtems.month = time->month;
-  timeRtems.day = time->day;
-  timeRtems.hour = time->hour;
-  timeRtems.minute = time->minute;
-  timeRtems.second = time->second;
-  timeRtems.ticks = time->usecond * getTicksPerSecond() / 1e6;
+  timeRtems.year = time_tod.year;
+  timeRtems.month = time_tod.month;
+  timeRtems.day = time_tod.day;
+  timeRtems.hour = time_tod.hour;
+  timeRtems.minute = time_tod.minute;
+  timeRtems.second = time_tod.second;
+  timeRtems.ticks = static_cast<uint64_t>(time_tod.usecond) * rtems_clock_get_ticks_per_second() / 1e6;
   rtems_status_code status = rtems_clock_set(&timeRtems);
   switch (status) {
     case RTEMS_SUCCESSFUL:
@@ -33,15 +34,6 @@ ReturnValue_t Clock::setClock(const TimeOfDay_t* time) {
   }
 }
 
-ReturnValue_t Clock::setClock(const timeval* time) {
-  TimeOfDay_t time_tod;
-  ReturnValue_t result = convertTimevalToTimeOfDay(time, &time_tod);
-  if (result != returnvalue::OK) {
-    return result;
-  }
-  return setClock(&time_tod);
-}
-
 ReturnValue_t Clock::getClock_timeval(timeval* time) {
   // Callable from ISR
   rtems_status_code status = rtems_clock_get_tod_timeval(time);
@@ -55,36 +47,13 @@ ReturnValue_t Clock::getClock_timeval(timeval* time) {
   }
 }
 
-ReturnValue_t Clock::getUptime(timeval* uptime) {
+timeval Clock::getUptime() {
   // According to docs.rtems.org for rtems 5 this method is more accurate than
   // rtems_clock_get_ticks_since_boot
+  timeval time_timeval;
   timespec time;
   rtems_status_code status = rtems_clock_get_uptime(&time);
-  uptime->tv_sec = time.tv_sec;
-  uptime->tv_usec = time.tv_nsec / 1000;
-  switch (status) {
-    case RTEMS_SUCCESSFUL:
-      return returnvalue::OK;
-    default:
-      return returnvalue::FAILED;
-  }
-}
-
-ReturnValue_t Clock::getUptime(uint32_t* uptimeMs) {
-  // 32bit counter overflows after 50 days
-  uint64_t uptime = rtems_clock_get_uptime_nanoseconds() / 1e6;
-  *uptimeMs = uptime & 0xffffffff;
-  return returnvalue::OK;
-}
-
-ReturnValue_t Clock::getClock_usecs(uint64_t* time) {
-  timeval temp_time;
-  rtems_status_code returnValue = rtems_clock_get_tod_timeval(&temp_time);
-  *time = ((uint64_t)temp_time.tv_sec * 1000000) + temp_time.tv_usec;
-  switch (returnValue) {
-    case RTEMS_SUCCESSFUL:
-      return returnvalue::OK;
-    default:
-      return returnvalue::FAILED;
-  }
-}
+  time_timeval.tv_sec = time.tv_sec;
+  time_timeval.tv_usec = time.tv_nsec / 1000;
+  return time_timeval;
+}

src/fsfw/pus/Service9TimeManagement.cpp

@@ -33,13 +33,12 @@ ReturnValue_t Service9TimeManagement::setTime() {
     return result;
   }
 
-  uint32_t formerUptime;
-  Clock::getUptime(&formerUptime);
+  // TODO maybe switch to getClock_usecs to report more meaningful data
+  uint32_t formerUptime = Clock::getUptime_ms();
   result = Clock::setClock(&timeToSet);
 
   if (result == returnvalue::OK) {
-    uint32_t newUptime;
-    Clock::getUptime(&newUptime);
+    uint32_t newUptime = Clock::getUptime_ms();
     triggerEvent(CLOCK_SET, newUptime, formerUptime);
     return returnvalue::OK;
   } else {

src/fsfw/subsystem/Subsystem.cpp

@@ -91,11 +91,10 @@ void Subsystem::performChildOperation() {
       }
       if (currentSequenceIterator->getWaitSeconds() != 0) {
         if (uptimeStartTable == 0) {
-          Clock::getUptime(&uptimeStartTable);
+          uptimeStartTable = Clock::getUptime_ms();
           return;
         } else {
-          uint32_t uptimeNow;
-          Clock::getUptime(&uptimeNow);
+          uint32_t uptimeNow = Clock::getUptime_ms();
           if ((uptimeNow - uptimeStartTable) < (currentSequenceIterator->getWaitSeconds() * 1000)) {
             return;
           }

src/fsfw/thermal/Heater.cpp

@@ -198,10 +198,9 @@ void Heater::setSwitch(uint8_t number, ReturnValue_t state, uint32_t* uptimeOfSw
   } else {
     if ((*uptimeOfSwitching == INVALID_UPTIME)) {
       powerSwitcher->sendSwitchCommand(number, state);
-      Clock::getUptime(uptimeOfSwitching);
+      *uptimeOfSwitching = Clock::getUptime_ms();
     } else {
-      uint32_t currentUptime;
-      Clock::getUptime(&currentUptime);
+      uint32_t currentUptime = Clock::getUptime_ms();
       if (currentUptime - *uptimeOfSwitching > powerSwitcher->getSwitchDelayMs()) {
         *uptimeOfSwitching = INVALID_UPTIME;
         if (healthHelper.healthTable->isHealthy(getObjectId())) {

src/fsfw/timemanager/ClockCommon.cpp

@@ -1,4 +1,5 @@
 #include <ctime>
+#include <cstdlib>
 
 #include "fsfw/ipc/MutexGuard.h"
 #include "fsfw/timemanager/Clock.h"
@@ -91,15 +92,28 @@ ReturnValue_t Clock::convertTimeOfDayToTimeval(const TimeOfDay_t* from, timeval*
 
   time_tm.tm_isdst = 0;
 
-#ifdef PLATFORM_WIN
-  time_t seconds = _mkgmtime(&time_tm);
-#else
-  time_t seconds = timegm(&time_tm);
-#endif
-
+  // Windows:
+  // time_t seconds = _mkgmtime(&time_tm);
+  // Glibc:
+  // time_t seconds = timegm(&time_tm);
+  // Portable (?)
+  char* tz;
+  tz = getenv("TZ");
+  setenv("TZ", "", 1);
+  tzset();
+  time_t seconds = mktime(&time_tm);
+  if (tz)
+    setenv("TZ", tz, 1);
+  else
+    unsetenv("TZ");
+  tzset();
   to->tv_sec = seconds;
   to->tv_usec = from->usecond;
 
+  if (seconds == (time_t) -1) {
+    return returnvalue::FAILED;
+  }
+
   return returnvalue::OK;
 }
 
@@ -152,6 +166,6 @@ ReturnValue_t Clock::setClock(const TimeOfDay_t* time) {
 }
 uint32_t Clock::getUptime_ms() {
   timeval uptime = getUptime();
-  //TODO verify that overflow is correct
+  // TODO verify that overflow is correct
   return uptime.tv_sec * 1e3 + uptime.tv_usec / 1e3;
 }

src/fsfw/timemanager/Countdown.cpp

@@ -7,9 +7,9 @@ Countdown::Countdown(uint32_t initialTimeout) : timeout(initialTimeout) {
 Countdown::~Countdown() {}
 
 ReturnValue_t Countdown::setTimeout(uint32_t milliseconds) {
-  ReturnValue_t returnValue = Clock::getUptime(&startTime);
+  startTime = Clock::getUptime_ms();
   timeout = milliseconds;
-  return returnValue;
+  return returnvalue::OK;
 }
 
 bool Countdown::hasTimedOut() const {
@@ -39,7 +39,5 @@ uint32_t Countdown::getRemainingMillis() const {
 }
 
 uint32_t Countdown::getCurrentTime() const {
-  uint32_t currentTime;
-  Clock::getUptime(&currentTime);
-  return currentTime;
+  return Clock::getUptime_ms();
 }

src/fsfw/tmtcservices/CommandingServiceBase.cpp

@@ -348,7 +348,7 @@ void CommandingServiceBase::startExecution(store_address_t storeId, CommandMapIt
         sendResult = commandQueue->sendMessage(iter.value->first, &command);
       }
       if (sendResult == returnvalue::OK) {
-        Clock::getUptime(&iter->second.uptimeOfStart);
+        iter->second.uptimeOfStart = Clock::getUptime_ms();
         iter->second.step = 0;
         iter->second.subservice = tcReader.getSubService();
         iter->second.command = command.getCommand();
@@ -434,8 +434,7 @@ inline void CommandingServiceBase::doPeriodicOperation() {}
 MessageQueueId_t CommandingServiceBase::getCommandQueue() { return commandQueue->getId(); }
 
 void CommandingServiceBase::checkTimeout() {
-  uint32_t uptime;
-  Clock::getUptime(&uptime);
+  uint32_t uptime = Clock::getUptime_ms();
   CommandMapIter iter;
   for (iter = commandMap.begin(); iter != commandMap.end(); ++iter) {
     if ((iter->second.uptimeOfStart + (timeoutSeconds * 1000)) < uptime) {