eive-obsw/mission/devices/SyrlinksHkHandler.h
Jakob Meier e1ddd19e31
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crc fixes in syrlinks register write commands
2022-01-14 10:16:03 +01:00

179 lines
6.7 KiB
C++

#ifndef MISSION_DEVICES_SYRLINKSHKHANDLER_H_
#define MISSION_DEVICES_SYRLINKSHKHANDLER_H_
#include <fsfw/devicehandlers/DeviceHandlerBase.h>
#include <mission/devices/devicedefinitions/SyrlinksDefinitions.h>
#include <string.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();
/**
* @brief Sets mode to MODE_NORMAL. Can be used for debugging.
*/
void setModeNormal();
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;
LocalPoolDataSetBase* getDataSetHandle(sid_t sid) 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 ReturnValue_t MISSING_START_FRAME_CHARACTER = MAKE_RETURN_CODE(0xA8);
static const uint8_t CRC_INITIAL_VALUE = 0x0;
std::string resetCommand = "<C04:5A5A:FF41>";
std::string readRxStatusRegCommand = "<E00::825B>";
std::string setTxModeStandby = "<W04:4000:7E58>";
/** W - write, 04 - 4 bytes in data field, 01 - value, 40 register to write value */
std::string setTxModeModulation = "<W04:4001:4D69>";
std::string setTxModeCw = "<W04:4010:4968>";
std::string readTxStatus = "<R02:40:7555>";
std::string readTxWaveform = "<R02:44:B991>";
std::string readTxAgcValueHighByte = "<R02:46:DFF3>";
std::string readTxAgcValueLowByte = "<R02:47:ECC2>";
/**
* In some cases it is not possible to extract from the received reply the information about
* the associated command. This variable is thus used to remember the command id.
*/
DeviceCommandId_t rememberCommandId = SYRLINKS::NONE;
SYRLINKS::RxDataset rxDataset;
SYRLINKS::TxDataset txDataset;
uint8_t agcValueHighByte;
uint8_t commandBuffer[SYRLINKS::MAX_COMMAND_SIZE];
/**
* This object is used to store the id of the next command to execute. This controls the
* read out of multiple registers which can not be fetched with one single command.
*/
DeviceCommandId_t nextCommand = SYRLINKS::READ_RX_STATUS_REGISTERS;
/**
* @brief This function converts an uint16_t into its hexadecimal string representation.
*
* @param intValue The value to convert.
*
* @return An std::string object containing the hex representation of intValue.
*/
std::string convertUint16ToHexString(uint16_t intValue);
/**
* @brief This function converts a hex number represented by to chars to an 8-bit integer.
*
* @param twoChars Pointer to the two characters representing the hex value.
*
* @details E.g. when twoChars points to an array with the two characters "A5" then the function
* will return 0xA5.
* @return The converted integer.
*/
uint8_t convertHexStringToUint8(const char* twoChars);
/**
* @brief This function converts a hex number represented by 4 chars to an uint16_t.
*
* @param Pointer to the fourCharacters representing the 16-bit integer.
*
* @return The uint16_t result.
*/
uint16_t convertHexStringToUint16(const char* fourChars);
/**
* @brief Function converts a hex number represented by 6 or 8 characters to an uint32_t.
*
* @param characters Pointer to the hex characters array.
* @param numberOfChars Number of characters representing the hex value. Must be 6 or 8.
*
* @return The uint32_t value.
*/
uint32_t convertHexStringToUint32(const char* characters, uint8_t numberOfChars);
/**
* @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(const char* status);
/**
* @brief Function verifies the received reply from the syrlinks by recalculating and
* comparing the crc.
*
* @param packet Pointer to the received reply.
* @param size Size of the whole packet including the crc and the packet termination
* character '>'.
*
* @return RETURN_OK if successful, otherwise RETURN_FAILED.
*/
ReturnValue_t verifyReply(const uint8_t* packet, uint8_t size);
/**
* @brief This function extracts the data from a rx status registers reply and writes the
* information to the status registers dataset.
* @param packet Pointer to the reply packet.
*/
void parseRxStatusRegistersReply(const uint8_t* packet);
/**
* @brief This function writes the read tx status register to the txStatusDataset.
* @param packet Pointer to the received packet.
*/
void parseTxStatusReply(const uint8_t* packet);
/**
* @brief This function writes the received waveform configuration to the txDataset.
*/
void parseTxWaveformReply(const uint8_t* packet);
/**
* @brief The agc value is split over two registers. The parse agc functions are used to get
* the values from the received reply and write them into the txDataset.
*/
void parseAgcLowByte(const uint8_t* packet);
void parseAgcHighByte(const uint8_t* packet);
};
#endif /* MISSION_DEVICES_SYRLINKSHKHANDLER_H_ */