Merge pull request 'Default Time Stamper' (#199) from KSat/fsfw:mueller/feature/timeStamper into master

Reviewed-on: #199

timemanager/TimeStamper.cpp

@@ -0,0 +1,23 @@
+#include "TimeStamper.h"
+#include "Clock.h"
+#include <cstring>
+
+TimeStamper::TimeStamper(object_id_t objectId): SystemObject(objectId) {}
+
+
+ReturnValue_t TimeStamper::addTimeStamp(uint8_t* buffer,
+		const uint8_t maxSize) {
+	if(maxSize < TimeStamperIF::MISSION_TIMESTAMP_SIZE){
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+
+	timeval now;
+	Clock::getClock_timeval(&now);
+	CCSDSTime::CDS_short cds;
+	ReturnValue_t result = CCSDSTime::convertToCcsds(&cds,&now);
+	if(result != HasReturnvaluesIF::RETURN_OK){
+		return result;
+	}
+	std::memcpy(buffer,&cds,sizeof(cds));
+	return result;
+}

timemanager/TimeStamper.h

@@ -0,0 +1,36 @@
+#ifndef FSFW_TIMEMANAGER_TIMESTAMPER_H_
+#define FSFW_TIMEMANAGER_TIMESTAMPER_H_
+
+#include "TimeStamperIF.h"
+#include "CCSDSTime.h"
+#include "../objectmanager/SystemObject.h"
+
+/**
+ * @brief   Time stamper which can be used to add any timestamp to a
+ *          given buffer.
+ * @details
+ * This time stamper uses the CCSDS CDC short timestamp as a fault timestamp.
+ * This timestamp has a size of 8 bytes. A custom timestamp can be used by
+ * overriding the #addTimeStamp function.
+ * @ingroup utility
+ */
+class TimeStamper: public TimeStamperIF, public SystemObject {
+public:
+    /**
+     * @brief   Default constructor which also registers the time stamper as a
+     *          system object so it can be found with the #objectManager.
+     * @param objectId
+     */
+	TimeStamper(object_id_t objectId);
+
+	/**
+	 * Adds a CCSDS CDC short 8 byte timestamp to the given buffer.
+	 * This function can be overriden to use a custom timestamp.
+	 * @param buffer
+	 * @param maxSize
+	 * @return
+	 */
+	virtual ReturnValue_t addTimeStamp(uint8_t* buffer, const uint8_t maxSize);
+};
+
+#endif /* FSFW_TIMEMANAGER_TIMESTAMPER_H_ */