fsfw/tmtcservices/TmTcBridge.h
2020-04-23 12:47:59 +02:00

152 lines
4.7 KiB
C++

#ifndef FRAMEWORK_TMTCSERVICES_TMTCBRIDGE_H_
#define FRAMEWORK_TMTCSERVICES_TMTCBRIDGE_H_
#include <framework/tmtcservices/AcceptsTelemetryIF.h>
#include <framework/tasks/ExecutableObjectIF.h>
#include <framework/ipc/MessageQueueIF.h>
#include <framework/storagemanager/StorageManagerIF.h>
#include <framework/objectmanager/SystemObject.h>
#include <framework/tmtcservices/TmTcMessage.h>
#include <framework/container/FIFO.h>
class TmTcBridge : public AcceptsTelemetryIF,
public ExecutableObjectIF,
public HasReturnvaluesIF,
public SystemObject {
public:
static constexpr uint8_t TMTC_RECEPTION_QUEUE_DEPTH = 20;
static constexpr uint8_t LIMIT_STORED_DATA_SENT_PER_CYCLE = 15;
static constexpr uint8_t LIMIT_DOWNLINK_PACKETS_STORED = 20;
static constexpr uint8_t DEFAULT_STORED_DATA_SENT_PER_CYCLE = 5;
static constexpr uint8_t DEFAULT_DOWNLINK_PACKETS_STORED = 10;
TmTcBridge(object_id_t objectId_, object_id_t ccsdsPacketDistributor_);
virtual ~TmTcBridge();
/**
* Set number of packets sent per performOperation().Please note that this
* value must be smaller than MAX_STORED_DATA_SENT_PER_CYCLE
* @param sentPacketsPerCycle
* @return -@c RETURN_OK if value was set successfully
* -@c RETURN_FAILED otherwise, stored value stays the same
*/
ReturnValue_t setNumberOfSentPacketsPerCycle(uint8_t sentPacketsPerCycle);
/**
* Set number of packets sent per performOperation().Please note that this
* value must be smaller than MAX_DOWNLINK_PACKETS_STORED
* @param sentPacketsPerCycle
* @return -@c RETURN_OK if value was set successfully
* -@c RETURN_FAILED otherwise, stored value stays the same
*/
ReturnValue_t setMaxNumberOfPacketsStored(uint8_t maxNumberOfPacketsStored);
void registerCommConnect();
void registerCommDisconnect();
/**
* Initializes necessary FSFW components for the TMTC Bridge
* @return
*/
ReturnValue_t initialize() override;
/**
* @brief Handles TMTC reception
*/
ReturnValue_t performOperation(uint8_t operationCode = 0) override;
/**
* Return TMTC Reception Queue
* @param virtualChannel
* @return
*/
MessageQueueId_t getReportReceptionQueue(uint8_t virtualChannel = 0) override;
protected:
//! Used to send and receive TMTC messages.
//! TmTcMessage is used to transport messages between tasks.
MessageQueueIF* TmTcReceptionQueue = nullptr;
StorageManagerIF* tcStore = nullptr;
StorageManagerIF* tmStore = nullptr;
object_id_t ccsdsPacketDistributor = 0;
//! Used to specify whether communication link is up
bool communicationLinkUp = false;
bool tmStored = false;
/**
* @brief Handle TC reception
* @details
* Default implementation provided, but is empty.
* Child handler should override this in most cases orsend TC to the
* TC distributor directly with the address of the reception queue by
* calling getReportRecptionQueue()
* @return
*/
virtual ReturnValue_t handleTc();
/**
* Implemented by child class. Perform receiving of Telecommand,
* for example by implementing specific drivers or wrappers,
* e.g. UART Communication or an ethernet stack
* @param recvBuffer [out] Received data
* @param size [out] Size of received data
* @return
*/
virtual ReturnValue_t receiveTc(uint8_t ** recvBuffer, size_t * size) = 0;
/**
* Handle Telemetry. Default implementation provided.
* Calls sendTm()
* @return
*/
virtual ReturnValue_t handleTm();
/**
* Read the TM Queue and send TM if necessary. Default implementation provided
* @return
*/
virtual ReturnValue_t handleTmQueue();
/**
* Send stored data if communication link is active
* @return
*/
virtual ReturnValue_t handleStoredTm();
/**
* Implemented by child class. Perform sending of Telemetry by implementing
* communication drivers or wrappers, e.g. UART communication or lwIP stack.
* @param data
* @param dataLen
* @return
*/
virtual ReturnValue_t sendTm(const uint8_t * data, size_t dataLen) = 0;
/**
* Store data to be sent later if communication link is not up.
* @param message
* @return
*/
virtual ReturnValue_t storeDownlinkData(TmTcMessage * message);
/**
* Print data as hexidecimal array
* @param data
* @param dataLen
*/
void printData(uint8_t * data, size_t dataLen);
/**
* This fifo can be used to store downlink data
* which can not be sent at the moment.
*/
FIFO<store_address_t, LIMIT_DOWNLINK_PACKETS_STORED> tmFifo;
uint8_t sentPacketsPerCycle = DEFAULT_STORED_DATA_SENT_PER_CYCLE;
uint8_t maxNumberOfPacketsStored = DEFAULT_DOWNLINK_PACKETS_STORED;
};
#endif /* FRAMEWORK_TMTCSERVICES_TMTCBRIDGE_H_ */