#ifndef MISSION_DEVICES_PLOCSUPERVISORHANDLER_H_ #define MISSION_DEVICES_PLOCSUPERVISORHANDLER_H_ #include #include #include /** * @brief This is the device handler for the supervisor of the PLOC which is programmed by * Thales. * * @details The PLOC uses the space packet protocol for communication. To each command the PLOC * answers with at least one acknowledgment and one execution report. * Flight manual: * https://egit.irs.uni-stuttgart.de/redmine/projects/eive-flight-manual/wiki/PLOC_Commands * ILH ICD: https://eive-cloud.irs.uni-stuttgart.de/index.php/apps/files/?dir=/EIVE_IRS/ * Arbeitsdaten/08_Used%20Components/PLOC&fileid=940960 * @author J. Meier */ class PlocSupervisorHandler: public DeviceHandlerBase { public: PlocSupervisorHandler(object_id_t objectId, object_id_t comIF, CookieIF * comCookie); virtual ~PlocSupervisorHandler(); protected: void doStartUp() override; void doShutDown() override; ReturnValue_t buildNormalDeviceCommand(DeviceCommandId_t * id) override; ReturnValue_t buildTransitionDeviceCommand(DeviceCommandId_t * id) override; void fillCommandAndReplyMap() override; ReturnValue_t buildCommandFromCommand(DeviceCommandId_t deviceCommand, const uint8_t * commandData,size_t commandDataLen) override; ReturnValue_t scanForReply(const uint8_t *start, size_t remainingSize, DeviceCommandId_t *foundId, size_t *foundLen) override; ReturnValue_t interpretDeviceReply(DeviceCommandId_t id, const uint8_t *packet) override; void setNormalDatapoolEntriesInvalid() override; uint32_t getTransitionDelayMs(Mode_t modeFrom, Mode_t modeTo) override; ReturnValue_t initializeLocalDataPool(localpool::DataPool& localDataPoolMap, LocalDataPoolManager& poolManager) override; ReturnValue_t enableReplyInReplyMap(DeviceCommandMap::iterator command, uint8_t expectedReplies = 1, bool useAlternateId = false, DeviceCommandId_t alternateReplyID = 0) override; size_t getNextReplyLength(DeviceCommandId_t deviceCommand) override; private: static const uint8_t INTERFACE_ID = CLASS_ID::PLOC_SUPERVISOR_HANDLER; //! [EXPORT] : [COMMENT] Space Packet received from PLOC supervisor has invalid CRC static const ReturnValue_t CRC_FAILURE = MAKE_RETURN_CODE(0xA0); //! [EXPORT] : [COMMENT] Received ACK failure reply from PLOC supervisor static const ReturnValue_t RECEIVED_ACK_FAILURE = MAKE_RETURN_CODE(0xA1); //! [EXPORT] : [COMMENT] Received execution failure reply from PLOC supervisor static const ReturnValue_t RECEIVED_EXE_FAILURE = MAKE_RETURN_CODE(0xA2); //! [EXPORT] : [COMMENT] Received space packet with invalid APID from PLOC supervisor static const ReturnValue_t INVALID_APID = MAKE_RETURN_CODE(0xA3); //! [EXPORT] : [COMMENT] Failed to read current system time static const ReturnValue_t GET_TIME_FAILURE = MAKE_RETURN_CODE(0xA4); static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::PLOC_SUPERVISOR_HANDLER; //! [EXPORT] : [COMMENT] PLOC supervrisor crc failure in telemetry packet static const Event SUPV_MEMORY_READ_RPT_CRC_FAILURE = MAKE_EVENT(1, severity::LOW); //! [EXPORT] : [COMMENT] PLOC supervisor received acknowledgment failure report static const Event SUPV_ACK_FAILURE = MAKE_EVENT(2, severity::LOW); //! [EXPORT] : [COMMENT] PLOC received execution failure report static const Event SUPV_EXE_FAILURE = MAKE_EVENT(3, severity::LOW); //! [EXPORT] : [COMMENT] PLOC supervisor reply has invalid crc static const Event SUPV_CRC_FAILURE_EVENT = MAKE_EVENT(4, severity::LOW); static const uint16_t APID_MASK = 0x7FF; static const uint16_t PACKET_SEQUENCE_COUNT_MASK = 0x3FFF; uint8_t commandBuffer[PLOC_SPV::MAX_COMMAND_SIZE]; /** * @brief This object is incremented each time a packet is sent or received. By checking the * packet sequence count of a received packet, no packets can be lost without noticing * it. Only the least significant 14 bits represent the packet sequence count in a * space packet. Thus the maximum value amounts to 16383 (0x3FFF). * @note Normally this should never happen because the PLOC replies are always sent in a * fixed order. However, the PLOC software checks this value and will return an ACK * failure report in case the sequence count is not incremented with each transferred * space packet. */ uint16_t packetSequenceCount = 0x3FFF; /** * This variable is used to store the id of the next reply to receive. This is necessary * because the PLOC sends as reply to each command at least one acknowledgment and execution * report. */ DeviceCommandId_t nextReplyId = PLOC_SPV::NONE; PLOC_SPV::HkSet hkset; /** * @brief This function checks the crc of the received PLOC reply. * * @param start Pointer to the first byte of the reply. * @param foundLen Pointer to the length of the whole packet. * * @return RETURN_OK if CRC is ok, otherwise CRC_FAILURE. */ ReturnValue_t verifyPacket(const uint8_t* start, size_t foundLen); /** * @brief This function handles the acknowledgment report. * * @param data Pointer to the data holding the acknowledgment report. * * @return RETURN_OK if successful, otherwise an error code. */ ReturnValue_t handleAckReport(const uint8_t* data); /** * @brief This function handles the data of a execution report. * * @param data Pointer to the received data packet. * * @return RETURN_OK if successful, otherwise an error code. */ ReturnValue_t handleExecutionReport(const uint8_t* data); /** * @brief This function handles the housekeeping report. This means verifying the CRC of the * reply and filling the appropriate dataset. * * @param data Pointer to the data buffer holding the housekeeping read report. * * @return RETURN_OK if successful, otherwise an error code. */ ReturnValue_t handleHkReport(const uint8_t* data); /** * @brief Depending on the current active command, this function sets the reply id of the * next reply after a successful acknowledgment report has been received. This is * required by the function getNextReplyLength() to identify the length of the next * reply to read. */ void setNextReplyId(); /** * @brief This function handles action message replies in case the telemetry has been * requested by another object. * * @param data Pointer to the telemetry data. * @param dataSize Size of telemetry in bytes. * @param replyId Id of the reply. This will be added to the ActionMessage. */ void handleDeviceTM(const uint8_t* data, size_t dataSize, DeviceCommandId_t replyId); /** * @brief This function prepares a space packet which does not transport any data in the * packet data field apart from the crc. */ void prepareEmptyCmd(uint16_t apid); /** * @brief This function initializes the space packet to select the boot image of the MPSoC. */ void prepareSelBootImageCmd(const uint8_t * commandData); void prepareDisableHk(); /** * @brief This function fills the commandBuffer with the data to update the time of the * PLOC supervisor. */ ReturnValue_t prepareSetTimeRefCmd(); /** * @brief This function fills the commandBuffer with the data to change the boot timeout * value in the PLOC supervisor. */ void prepareSetBootTimeoutCmd(const uint8_t * commandData); void prepareRestartTriesCmd(const uint8_t * commandData); /** * @brief In case an acknowledgment failure reply has been received this function disables * all previously enabled commands and resets the exepected replies variable of an * active command. */ void disableAllReplies(); /** * @brief This function sends a failure report if the active action was commanded by an other * object. * * @param replyId The id of the reply which signals a failure. * @param status A status byte which gives information about the failure type. */ void sendFailureReport(DeviceCommandId_t replyId, ReturnValue_t status); /** * @brief This function disables the execution report reply. Within this function also the * the variable expectedReplies of an active command will be set to 0. */ void disableExeReportReply(); }; #endif /* MISSION_DEVICES_PLOCSUPERVISORHANDLER_H_ */