eive/eive-obsw
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save before removing approach with rememberCommandId

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This commit is contained in:
Jakob Meier 2021-02-19 15:41:50 +01:00
parent e250f41c09
commit b4d74b4a4f
4 changed files with 203 additions and 23 deletions
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3
fsfwconfig/returnvalues/classIds.h
View File

@ -16,7 +16,8 @@ enum {
LINUX_LIBGPIO_IF,
PCDU_HANDLER,
HEATER_HANDLER,
SA_DEPL_HANDLER
SA_DEPL_HANDLER,
SYRLINKS_HANDLER,
};
}

164
mission/devices/SyrlinksHkHandler.cpp
View File

@ -1,5 +1,6 @@
#include <mission/devices/SyrlinksHkHandler.h>
#include <fsfwconfig/OBSWConfig.h>
#include <fsfw/globalfunctions/CRC.h>
SyrlinksHkHandler::SyrlinksHkHandler(object_id_t objectId, object_id_t comIF, CookieIF * comCookie) :
DeviceHandlerBase(objectId, comIF, comCookie), rxStatusRegistersSet(this) {
@ -84,46 +85,95 @@ void SyrlinksHkHandler::fillCommandAndReplyMap() {
ReturnValue_t SyrlinksHkHandler::scanForReply(const uint8_t *start,
size_t remainingSize, DeviceCommandId_t *foundId, size_t *foundLen) {
ReturnValue_t result = RETURN_OK;
switch(rememberCommandId) {
case(SYRLINKS::RESET_UNIT):
*foundId = SYRLINKS::RESET_UNIT;
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
rememberCommandId = SYRLINKS::NONE;
if (remainingSize != SYRLINKS::REQUEST_STATUS_REPLY_SIZE) {
result = REPLY_WRONG_SIZE;
break;
}
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
*foundId = SYRLINKS::RESET_UNIT;
rememberCommandId = SYRLINKS::NONE;
break;
case(SYRLINKS::SET_TX_MODE_STANDBY):
*foundId = SYRLINKS::SET_TX_MODE_STANDBY;
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
rememberCommandId = SYRLINKS::NONE;
if (remainingSize != SYRLINKS::REQUEST_STATUS_REPLY_SIZE) {
result = REPLY_WRONG_SIZE;
}
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
rememberCommandId = SYRLINKS::NONE;
*foundId = SYRLINKS::SET_TX_MODE_STANDBY;
break;
case(SYRLINKS::SET_TX_MODE_MODULATION):
*foundId = SYRLINKS::SET_TX_MODE_MODULATION;
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
rememberCommandId = SYRLINKS::NONE;
if (remainingSize != SYRLINKS::REQUEST_STATUS_REPLY_SIZE) {
result = REPLY_WRONG_SIZE;
}
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
*foundId = SYRLINKS::SET_TX_MODE_MODULATION;
rememberCommandId = SYRLINKS::NONE;
break;
case(SYRLINKS::SET_TX_MODE_CW):
*foundId = SYRLINKS::SET_TX_MODE_CW;
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
rememberCommandId = SYRLINKS::NONE;
if (remainingSize != SYRLINKS::REQUEST_STATUS_REPLY_SIZE) {
result = REPLY_WRONG_SIZE;
}
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
*foundId = SYRLINKS::SET_TX_MODE_CW;
rememberCommandId = SYRLINKS::NONE;
break;
case(SYRLINKS::READ_RX_STATUS_REGISTERS):
*foundId = SYRLINKS::READ_RX_STATUS_REGISTERS;
*foundLen = SYRLINKS::REQUEST_STATUS_REPLY_SIZE;
rememberCommandId = SYRLINKS::NONE;
if (remainingSize != SYRLINKS::RX_STATUS_REGISTERS_REPLY_SIZE) {
result = REPLY_WRONG_SIZE;
}
*foundLen = SYRLINKS::RX_STATUS_REGISTERS_REPLY_SIZE;
*foundId = SYRLINKS::READ_RX_STATUS_REGISTERS;
rememberCommandId = SYRLINKS::NONE;
break;
default:
return IGNORE_REPLY_DATA;
result = IGNORE_REPLY_DATA;
break;
}
return HasReturnvaluesIF::RETURN_OK;
if (result == REPLY_WRONG_SIZE) {
sif::debug << "SyrlinksHkHandler::scanForReply: Received reply with invalid length"
<< std::endl;
return result;
}
return result;
}
ReturnValue_t SyrlinksHkHandler::interpretDeviceReply(DeviceCommandId_t id,
const uint8_t *packet) {
switch (id) {
case (SYRLINKS::RESET_UNIT): {
break;
}
ReturnValue_t result;
switch (id) {
case (SYRLINKS::RESET_UNIT):
case (SYRLINKS::SET_TX_MODE_STANDBY):
case (SYRLINKS::SET_TX_MODE_MODULATION):
case (SYRLINKS::SET_TX_MODE_CW):
result = verifyTansmissionStatusReply(packet);
if (result != RETURN_OK) {
sif::debug << "SyrlinksHkHandler::interpretDeviceReply: Status reply has invalid crc"
<< std::endl;
return CRC_FAILURE;
}
result = parseReplyStatus(static_cast<char*>(packet + SYRLINKS::MESSAGE_HEADER_SIZE));
if (result != RETURN_OK) {
return result;
}
break;
case(SYRLINKS::READ_RX_STATUS_REGISTERS):
result = verifyReadRxStatusRegistersReply(packet);
if (result != RETURN_OK) {
sif::debug << "SyrlinksHkHandler::interpretDeviceReply: Read rx status registers reply "
<< "has invalid crc" << std::endl;
return CRC_FAILURE;
}
break;
default: {
return DeviceHandlerIF::UNKNOWN_DEVICE_REPLY;
}
@ -132,6 +182,78 @@ ReturnValue_t SyrlinksHkHandler::interpretDeviceReply(DeviceCommandId_t id,
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SyrlinksHkHandler::verifyTansmissionStatusReply() {
int result = 0;
uint16_t crc = CRC::crc16ccitt(packet,
SYRLINKS::REQUEST_STATUS_REPLY_SIZE - SYRLINKS::SIZE_CRC_AND_TERMINATION,
CRC_INITIAL_VALUE);
std::string recalculatedCrc = convertIntToHexString(crc);
const char* replyCrc = packet + SYRLINKS::REQUEST_STATUS_REPLY_SIZE
- SYRLINKS::SIZE_CRC_AND_TERMINATION;
size_t startPosition = 0;
result = recalculatedCrc.compare(startPosition, SYRLINKS_CRC_FIELD_SIZE, replyCrc);
if (result != 0) {
return RETURN_FAILED;
}
return RETURN_OK;
}
std::string SyrlinksHkHandler::convertIntToHexString(uint16_t intValue) {
std::stringstream stream;
stream << std::hex << intValue;
return stream.str();
}
ReturnValue_t SyrlinksHkHandler::parseReplyStatus(char* status) {
switch (*status) {
case '0':
return RETURN_OK;
case '1':
sif::debug << "SyrlinksHkHandler::parseReplyStatus: Uart faming or parity error"
<< std::endl;
return UART_FRAMIN_OR_PARITY_ERROR_ACK;
case '2':
sif::debug << "SyrlinksHkHandler::parseReplyStatus: Bad character detected" << std::endl;
return BAD_CHARACTER_ACK;
case '3':
sif::debug << "SyrlinksHkHandler::parseReplyStatus: Bad parameter value (unexpected value "
<< "detected" << std::endl;
return BAD_PARAMETER_VALUE_ACK;
case '4':
sif::debug << "SyrlinksHkHandler::parseReplyStatus: Bad end of frame" << std::endl;
return BAD_END_OF_FRAME_ACK;
case '5':
sif::debug << "SyrlinksHkHandler::parseReplyStatus: Unknown command id or attempt to access"
<< " a protected register" << std::endl;
return UNKNOWN_COMMAND_ID_ACK;
case '6':
sif::debug << "SyrlinksHkHandler::parseReplyStatus: Bad CRC" << std::endl;
return BAD_CRC_ACK;
default:
sif::debug << "SyrlinksHkHandler::parseReplyStatus: Status reply holds invalid status "
<< "id" << std::endl;
return RETURN_FAILED;
}
}
ReturnValue_t SyrlinksHkHandler::verifyReadRxStatusRegistersReply(uint8_t* packet) {
int result = 0;
/* Calculate crc of received packet */
uint16_t crc = CRC::crc16ccitt(packet,
SYRLINKS::RX_STATUS_REGISTERS_REPLY_SIZE - SYRLINKS::SIZE_CRC_AND_TERMINATION,
CRC_INITIAL_VALUE);
std::string recalculatedCrc = convertIntToHexString(crc);
const char* replyCrc = packet + SYRLINKS::RX_STATUS_REGISTERS_REPLY_SIZE
- SYRLINKS::SIZE_CRC_AND_TERMINATION;
size_t startPosition = 0;
result = recalculatedCrc.compare(startPosition, SYRLINKS_CRC_FIELD_SIZE, replyCrc);
if (result != 0) {
return RETURN_FAILED;
}
return RETURN_OK;
}
void SyrlinksHkHandler::setNormalDatapoolEntriesInvalid(){
}

56
mission/devices/SyrlinksHkHandler.h
View File

@ -39,6 +39,19 @@ protected:
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>";
@ -51,10 +64,51 @@ private:
static const uint8_t MAX_CMD_LEN = 3;
uint8_t rememberRequestedSize = 0;
uint8_t rememberCommandId = TMP1075::NONE;
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_ */

3
mission/devices/devicedefinitions/SyrlinksDefinitions.h
View File

@ -24,6 +24,9 @@ namespace SYRLINKS {
/** Size of a simple transmission success response */
static const uint8_t REQUEST_STATUS_REPLY_SIZE = 11;
static const uint8_t SIZE_CRC_AND_TERMINATION = 5;
/** The size of the header with the message identifier and the payload size field */
static const uint8_t MESSAGE_HEADER_SIZE = 5;
/** Size of reply to an rx status registers request */
static const uint8_t RX_STATUS_REGISTERS_REPLY_SIZE = 39;