74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
#ifndef FSFW_IPC_COMMANDMESSAGEIF_H_
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#define FSFW_IPC_COMMANDMESSAGEIF_H_
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#include "MessageQueueMessageIF.h"
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#include "FwMessageTypes.h"
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#include "../returnvalues/HasReturnvaluesIF.h"
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#define MAKE_COMMAND_ID( number ) ((MESSAGE_ID << 8) + (number))
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typedef uint16_t Command_t;
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class CommandMessageIF {
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public:
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/**
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* Header consists of sender ID and command ID.
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*/
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static constexpr size_t HEADER_SIZE = MessageQueueMessageIF::HEADER_SIZE +
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sizeof(Command_t);
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/**
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* This minimum size is derived from the interface requirement to be able
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* to set a rejected reply, which contains a returnvalue and the initial
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* command.
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*/
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static constexpr size_t MINIMUM_COMMAND_MESSAGE_SIZE =
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CommandMessageIF::HEADER_SIZE + sizeof(ReturnValue_t) +
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sizeof(Command_t);
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static const uint8_t INTERFACE_ID = CLASS_ID::COMMAND_MESSAGE;
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static const ReturnValue_t UNKNOWN_COMMAND = MAKE_RETURN_CODE(0x01);
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static const uint8_t MESSAGE_ID = messagetypes::COMMAND;
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//! Used internally, shall be ignored
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static const Command_t CMD_NONE = MAKE_COMMAND_ID( 0 );
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static const Command_t REPLY_COMMAND_OK = MAKE_COMMAND_ID( 1 );
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//! Reply indicating that the current command was rejected,
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//! par1 should contain the error code
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static const Command_t REPLY_REJECTED = MAKE_COMMAND_ID( 2 );
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virtual ~CommandMessageIF() {};
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/**
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* A command message shall have a uint16_t command ID field.
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* @return
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*/
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virtual Command_t getCommand() const = 0;
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/**
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* A command message shall have a uint8_t message type ID field.
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* @return
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*/
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virtual uint8_t getMessageType() const = 0;
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/**
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* A command message can be rejected and needs to offer a function
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* to set a rejected reply
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* @param reason
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* @param initialCommand
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*/
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virtual void setReplyRejected(ReturnValue_t reason,
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Command_t initialCommand) = 0;
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/**
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* Corrensonding getter function.
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* @param initialCommand
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* @return
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*/
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virtual ReturnValue_t getReplyRejectedReason(
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Command_t* initialCommand = nullptr) const = 0;
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virtual void setToUnknownCommand() = 0;
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virtual void clear() = 0;
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};
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#endif /* FSFW_IPC_COMMANDMESSAGEIF_H_ */
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