fsfw/ipc/CommandMessage.h

153 lines
4.0 KiB
C++

#ifndef FRAMEWORK_IPC_COMMANDMESSAGE_H_
#define FRAMEWORK_IPC_COMMANDMESSAGE_H_
#include <framework/ipc/FwMessageTypes.h>
#include <config/ipc/MissionMessageTypes.h>
#include <framework/ipc/MessageQueueMessage.h>
#define MAKE_COMMAND_ID( number ) ((MESSAGE_ID << 8) + (number))
typedef uint16_t Command_t;
/**
* @brief Used to pass command messages between tasks
* @author Bastian Baetz
*/
class CommandMessage: public MessageQueueMessageIF {
public:
static const uint8_t INTERFACE_ID = CLASS_ID::COMMAND_MESSAGE;
static const ReturnValue_t UNKNOWN_COMMAND = MAKE_RETURN_CODE(0x01);
static const uint8_t MESSAGE_ID = messagetypes::COMMAND;
//! Used internally, will be ignored
static const Command_t CMD_NONE = MAKE_COMMAND_ID( 0 );
static const Command_t REPLY_COMMAND_OK = MAKE_COMMAND_ID( 3 );
//! Reply indicating that the current command was rejected,
//! par1 should contain the error code
static const Command_t REPLY_REJECTED = MAKE_COMMAND_ID( 0xD1 );
/**
* This is the size of a message as it is seen by the MessageQueue.
* 14 of the 24 available MessageQueueMessage bytes are used.
*/
static const size_t COMMAND_MESSAGE_SIZE = MessageQueueMessage::HEADER_SIZE
+ sizeof(Command_t) + 2 * sizeof(uint32_t);
/**
* Default Constructor, does not initialize anything.
*
* This constructor should be used when receiving a Message, as the
* content is filled by the MessageQueue.
*/
CommandMessage(MessageQueueMessage* receiverMessage);
/**
* This constructor creates a new message with all message content
* initialized
*
* @param command The DeviceHandlerCommand_t that will be sent
* @param parameter1 The first parameter
* @param parameter2 The second parameter
*/
CommandMessage(MessageQueueMessage* messageToSet, Command_t command,
uint32_t parameter1, uint32_t parameter2);
/**
* Default Destructor
*/
virtual ~CommandMessage() {
}
uint8_t * getBuffer() override;
const uint8_t * getBuffer() const override;
/**
* Read the DeviceHandlerCommand_t that is stored in the message,
* usually used after receiving.
*
* @return the Command stored in the Message
*/
Command_t getCommand() const;
/**
* @brief This method is used to set the sender's message queue id
* information prior to sending the message.
* @param setId
* The message queue id that identifies the sending message queue.
*/
void setSender(MessageQueueId_t setId) override;
MessageQueueId_t getSender() const override;
uint8_t getMessageType() const;
/**
* Set the DeviceHandlerCOmmand_t of the message
*
* @param the Command to be sent
*/
void setCommand(Command_t command);
/**
* Get the first parameter of the message
*
* @return the first Parameter of the message
*/
uint32_t getParameter() const;
/**
* Set the first parameter of the message
*
* @param the first parameter of the message
*/
void setParameter(uint32_t parameter1);
/**
* Get the second parameter of the message
*
* @return the second Parameter of the message
*/
uint32_t getParameter2() const;
/**
* Set the second parameter of the message
*
* @param the second parameter of the message
*/
void setParameter2(uint32_t parameter2);
void clear() override;
/**
* Set the command to CMD_NONE and try to find
* the correct class to handle a more detailed
* clear.
* Also, calls a mission-specific clearMissionMessage
* function to separate between framework and mission
* messages. Not optimal, may be replaced by totally
* different auto-delete solution (e.g. smart pointers).
*
*/
void clearCommandMessage();
/**
* check if a message was cleared
*
* @return if the command is CMD_NONE
*/
bool isClearedCommandMessage();
/**
* Sets the command to REPLY_REJECTED with parameter UNKNOWN_COMMAND.
* Is needed quite often, so we better code it once only.
*/
void setToUnknownCommand();
void setReplyRejected(ReturnValue_t reason,
Command_t initialCommand = CMD_NONE);
size_t getMinimumMessageSize() const override;
private:
MessageQueueMessage* internalMessage;
};
#endif /* COMMANDMESSAGE_H_ */