eive-obsw/linux/devices/ploc/PlocSupervisorHandler.h
2022-03-30 09:19:30 +02:00

354 lines
15 KiB
C++

#ifndef MISSION_DEVICES_PLOCSUPERVISORHANDLER_H_
#define MISSION_DEVICES_PLOCSUPERVISORHANDLER_H_
#include "OBSWConfig.h"
#include "bsp_q7s/memory/SdCardManager.h"
#include "devices/powerSwitcherList.h"
#include "fsfw/devicehandlers/DeviceHandlerBase.h"
#include "fsfw_hal/linux/gpio/Gpio.h"
#include "fsfw_hal/linux/gpio/LinuxLibgpioIF.h"
#include "fsfw_hal/linux/uart/UartComIF.h"
#include "linux/devices/devicedefinitions/PlocSupervisorDefinitions.h"
/**
* @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 uartComIFid, CookieIF* comCookie,
Gpio uartIsolatorSwitch, power::Switch_t powerSwitch);
virtual ~PlocSupervisorHandler();
virtual ReturnValue_t initialize() override;
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);
//! [EXPORT] : [COMMENT] Received command with invalid watchdog parameter. Valid watchdogs are 0
//! for PS, 1 for PL and 2 for INT
static const ReturnValue_t INVALID_WATCHDOG = MAKE_RETURN_CODE(0xA5);
//! [EXPORT] : [COMMENT] Received watchdog timeout config command with invalid timeout. Valid
//! timeouts must be in the range between 1000 and 360000 ms.
static const ReturnValue_t INVALID_WATCHDOG_TIMEOUT = MAKE_RETURN_CODE(0xA6);
//! [EXPORT] : [COMMENT] Received latchup config command with invalid latchup ID
static const ReturnValue_t INVALID_LATCHUP_ID = MAKE_RETURN_CODE(0xA7);
//! [EXPORT] : [COMMENT] Received set adc sweep period command with invalid sweep period. Must be
//! larger than 21.
static const ReturnValue_t SWEEP_PERIOD_TOO_SMALL = MAKE_RETURN_CODE(0xA8);
//! [EXPORT] : [COMMENT] Receive auto EM test command with invalid test param. Valid params are 1
//! and 2.
static const ReturnValue_t INVALID_TEST_PARAM = MAKE_RETURN_CODE(0xA9);
//! [EXPORT] : [COMMENT] Returned when scanning for MRAM dump packets failed.
static const ReturnValue_t MRAM_PACKET_PARSING_FAILURE = MAKE_RETURN_CODE(0xAA);
//! [EXPORT] : [COMMENT] Returned when the start and stop addresses of the MRAM dump or MRAM wipe
//! commands are invalid (e.g. start address bigger than stop address)
static const ReturnValue_t INVALID_MRAM_ADDRESSES = MAKE_RETURN_CODE(0xAB);
//! [EXPORT] : [COMMENT] Expect reception of an MRAM dump packet but received space packet with
//! other apid.
static const ReturnValue_t NO_MRAM_PACKET = MAKE_RETURN_CODE(0xAC);
//! [EXPORT] : [COMMENT] Path to PLOC directory on SD card does not exist
static const ReturnValue_t PATH_DOES_NOT_EXIST = MAKE_RETURN_CODE(0xAD);
//! [EXPORT] : [COMMENT] MRAM dump file does not exists. The file should actually already have
//! been created with the reception of the first dump packet.
static const ReturnValue_t MRAM_FILE_NOT_EXISTS = MAKE_RETURN_CODE(0xAE);
static const uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::PLOC_SUPERVISOR_HANDLER;
//! [EXPORT] : [COMMENT] PLOC supervisor 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[supv::MAX_COMMAND_SIZE];
/**
* 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 = supv::NONE;
UartComIF* uartComIf = nullptr;
LinuxLibgpioIF* gpioComIF = nullptr;
Gpio uartIsolatorSwitch;
supv::HkSet hkset;
supv::BootStatusReport bootStatusReport;
supv::LatchupStatusReport latchupStatusReport;
const power::Switch_t powerSwitch = power::NO_SWITCH;
/** Number of expected replies following the MRAM dump command */
uint32_t expectedMramDumpPackets = 0;
uint32_t receivedMramDumpPackets = 0;
/** Set to true as soon as a complete space packet is present in the spacePacketBuffer */
bool packetInBuffer = false;
/** Points to the next free position in the space packet buffer */
uint16_t bufferTop = 0;
/** This buffer is used to concatenate space packets received in two different read steps */
uint8_t spacePacketBuffer[supv::MAX_PACKET_SIZE];
#ifdef TE0720_1CFA
SdCardManager* sdcMan = nullptr;
#endif /* BOARD_TE0720 == 0 */
/** Path to PLOC specific files on SD card */
std::string plocFilePath = "ploc";
std::string activeMramFile;
/** Setting this variable to true will enable direct downlink of MRAM packets */
bool downlinkMramDump = false;
ReturnValue_t getSwitches(const uint8_t** switches, uint8_t* numberOfSwitches);
/**
* @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 This function calls the function to check the CRC of the received boot status report
* and fills the associated dataset with the boot status information.
*/
ReturnValue_t handleBootStatusReport(const uint8_t* data);
ReturnValue_t handleLatchupStatusReport(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 This function fills the command buffer with the packet to enable or disable the
* watchdogs on the PLOC.
*/
void prepareWatchdogsEnableCmd(const uint8_t* commandData);
/**
* @brief This function fills the command buffer with the packet to set the watchdog timer
* of one of the three watchdogs (PS, PL, INT).
*/
ReturnValue_t prepareWatchdogsConfigTimeoutCmd(const uint8_t* commandData);
ReturnValue_t prepareLatchupConfigCmd(const uint8_t* commandData,
DeviceCommandId_t deviceCommand);
ReturnValue_t prepareAutoCalibrateAlertCmd(const uint8_t* commandData);
ReturnValue_t prepareSetAlertLimitCmd(const uint8_t* commandData);
ReturnValue_t prepareSetAlertIrqFilterCmd(const uint8_t* commandData);
ReturnValue_t prepareSetAdcSweetPeriodCmd(const uint8_t* commandData);
void prepareSetAdcEnabledChannelsCmd(const uint8_t* commandData);
void prepareSetAdcWindowAndStrideCmd(const uint8_t* commandData);
void prepareSetAdcThresholdCmd(const uint8_t* commandData);
void prepareEnableNvmsCmd(const uint8_t* commandData);
void prepareSelectNvmCmd(const uint8_t* commandData);
ReturnValue_t prepareRunAutoEmTest(const uint8_t* commandData);
ReturnValue_t prepareWipeMramCmd(const uint8_t* commandData);
ReturnValue_t prepareDumpMramCmd(const uint8_t* commandData);
void preparePrintCpuStatsCmd(const uint8_t* commandData);
void prepareSetDbgVerbosityCmd(const uint8_t* commandData);
void prepareSetGpioCmd(const uint8_t* commandData);
void prepareReadGpioCmd(const uint8_t* commandData);
/**
* @brief Copies the content of a space packet to the command buffer.
*/
void packetToOutBuffer(uint8_t* packetData, size_t fullSize);
/**
* @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();
/**
* @brief Function is called in scanForReply and fills the spacePacketBuffer with the read
* data until a full packet has been received.
*/
ReturnValue_t parseMramPackets(const uint8_t* packet, size_t remainingSize, size_t* foundlen);
/**
* @brief This function generates the Service 8 packets for the MRAM dump data.
*/
ReturnValue_t handleMramDumpPacket(DeviceCommandId_t id);
/**
* @brief With this function the number of expected replies following an MRAM dump command
* will be increased. This is necessary to release the command in case not all replies
* have been received.
*/
void increaseExpectedMramReplies(DeviceCommandId_t id);
/**
* @brief Function checks if the packet written to the space packet buffer is really a
* MRAM dump packet.
*/
ReturnValue_t checkMramPacketApid();
/**
* @brief Writes the data of the MRAM dump to a file. The file will be created when receiving
* the first packet.
*/
ReturnValue_t handleMramDumpFile(DeviceCommandId_t id);
/**
* @brief Extracts the length field of a spacePacket referenced by the spacePacket pointer.
*
* @param spacePacket Pointer to the buffer holding the space packet.
*
* @return The value stored in the length field of the data field.
*/
uint16_t readSpacePacketLength(uint8_t* spacePacket);
/**
* @brief Extracts the sequence flags from a space packet referenced by the spacePacket
* pointer.
*
* @param spacePacket Pointer to the buffer holding the space packet.
*
* @return uint8_t where the two least significant bits hold the sequence flags.
*/
uint8_t readSequenceFlags(uint8_t* spacePacket);
ReturnValue_t createMramDumpFile();
ReturnValue_t getTimeStampString(std::string& timeStamp);
};
#endif /* MISSION_DEVICES_PLOCSUPERVISORHANDLER_H_ */