eive-obsw/mission/devices/SyrlinksHkHandler.h

#ifndef MISSION_DEVICES_SYRLINKSHKHANDLER_H_
#define MISSION_DEVICES_SYRLINKSHKHANDLER_H_

#include <fsfw/devicehandlers/DeviceHandlerBase.h>
#include <mission/devices/devicedefinitions/SyrlinksDefinitions.h>
#include <cstring.h>

/**
 * @brief	This is the device handler for the syrlinks transceiver. It handles the command
 *          transmission and reading of housekeeping data via the housekeeping interface. The
 *          transmission of telemetry and the reception of telecommands is handled by an additional
 *          class.
 *
 * @author	J. Meier
 */
class SyrlinksHkHandler: public DeviceHandlerBase {
public:

	SyrlinksHkHandler(object_id_t objectId, object_id_t comIF,
			CookieIF * comCookie);
	virtual ~SyrlinksHkHandler();

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;

private:

    static const uint8_t INTERFACE_ID = CLASS_ID::SYRLINKS_HANDLER;

    static const ReturnValue_t CRC_FAILURE = MAKE_RETURN_CODE(0xA0);
    static const ReturnValue_t UART_FRAMIN_OR_PARITY_ERROR_ACK = MAKE_RETURN_CODE(0xA1);
    static const ReturnValue_t BAD_CHARACTER_ACK = MAKE_RETURN_CODE(0xA2);
    static const ReturnValue_t BAD_PARAMETER_VALUE_ACK = MAKE_RETURN_CODE(0xA3);
    static const ReturnValue_t BAD_END_OF_FRAME_ACK = MAKE_RETURN_CODE(0xA4);
    static const ReturnValue_t UNKNOWN_COMMAND_ID_ACK = MAKE_RETURN_CODE(0xA5);
    static const ReturnValue_t BAD_CRC_ACK = MAKE_RETURN_CODE(0xA6);
    static const ReturnValue_t REPLY_WRONG_SIZE = MAKE_RETURN_CODE(0xA7);

	static const uint8_t CRC_INITIAL_VALUE = 0x0;

	std::string resetCommand = "<C04:5A5A:FF41>";
	std::string readRxStatusRegCommand = "<E00::825B>";
	std::string setTxModeStandby = "<W04:0040:2B9E>";
	/** W - write, 04 - 4 bytes in data field, 01 - value, 40 register to write value */
	std::string setTxModeModulation = "<W04:0140:5D2A>";
	std::string setTxModeCw = "<W04:1040:81CF>";

	SYRLINKS::RxStatusRegistersDataset rxStatusRegistersSet;

	static const uint8_t MAX_CMD_LEN = 3;

	uint8_t rememberRequestedSize = 0;
	uint8_t rememberCommandId = SYRLINKS::NONE;
	uint8_t cmdBuffer[MAX_CMD_LEN];
	CommunicationStep communicationStep =
			CommunicationStep::START_ADC_CONVERSION;


	/**
	 * @brief   This function verifies the checksum of a status reply packet of the syrlinks.
	 *
	 * @param packet    Pointer to the received status reply.
	 *
	 * @return RETURN_OK if successful, otherwise RETURN_FAILURE.
	 *
	 * @details A status reply only contains one byte of payload data giving information about
	 *          the transmission status.
	 */
	ReturnValue_t verifyTansmissionStatusReply(const uint8_t* packet);

	/**
	 * @brief   This function converts an uint16_t into its hexadecimal string representation.
     *
	 * @param   The value to convert.
	 *
	 * @return  An std::string object containing the hex representation of intValue.
	 */
	std::string SyrlinksHkHandler::convertIntToHexString(uint16_t intValue);

	/**
	 * @brief   This function parses the status reply
	 * @param status    Pointer to the status information.
	 *
	 * @details Some commands reply with a status message giving information about the preceding
	 *          command transmission and/or execution was successful.
	 */
	ReturnValue_t parseReplyStatus(char* status);

	/**
	 * @brief   Function verifies the received reply from the syrlinks by recalculating and
	 *          comparing the crc.
	 *
	 * @param packet    Pointer to the received reply.
	 *
	 * @return  RETURN_OK if successful, otherwise RETURN_FAILED.
	 */
	ReturnValue_t verifyReadRxStatusRegistersReply(uint8_t* packet)
};

#endif /* MISSION_DEVICES_SYRLINKSHKHANDLER_H_ */