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@ -35,14 +35,14 @@ class StorageManagerIF;
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/**
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* \brief This is the abstract base class for device handlers.
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*
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* @brief This is the abstract base class for device handlers.
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* @details
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* Documentation: Dissertation Baetz p.138,139, p.141-149
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*
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* It features handling of @link DeviceHandlerIF::Mode_t Modes @endlink, communication with
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* physical devices, using the @link DeviceCommunicationIF, and communication with commanding objects.
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*
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* NOTE: RMAP is a legacy standard which is used for FLP.
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* NOTE: RMAP is a standard which is used for FLP.
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* RMAP communication is not mandatory for projects implementing the FSFW.
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* However, the communication principles are similar to RMAP as there are two write and two send calls involved.
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*
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@ -57,7 +57,7 @@ class StorageManagerIF;
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* Components and drivers can send so called cookies which are used for communication
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* and contain information about the communcation (e.g. slave address for I2C or RMAP structs).
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*
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* \ingroup devices
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* @ingroup devices
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*/
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class DeviceHandlerBase: public DeviceHandlerIF,
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public HasReturnvaluesIF,
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@ -87,33 +87,34 @@ public:
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/**
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* This function is the device handler base core component and is called periodically.
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* General sequence:
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* If the State is SEND_WRITE:
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* 1. Set the cookie state to COOKIE_UNUSED and read the command queue
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* 2. Handles Device State Modes by calling doStateMachine().
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* This function calls callChildStatemachine() which calls the abstract functions
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* doStartUp() and doShutDown()
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* 3. Check switch states by calling checkSwitchStates()
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* 4. Decrements counter for timeout of replies by calling decrementDeviceReplyMap()
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* 5. Performs FDIR check for failures
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* 6. Calls hkSwitcher.performOperation()
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* 7. If the device mode is MODE_OFF, return RETURN_OK. Otherwise, perform the Action property
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* and performs depending on value specified
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* by input value counter. The child class tells base class what to do by setting this value.
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* - SEND_WRITE: Send data or commands to device by calling doSendWrite() which calls
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* sendMessage function of #communicationInterface
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* and calls buildInternalCommand if the cookie state is COOKIE_UNUSED
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* - GET_WRITE: Get ackknowledgement for sending by calling doGetWrite() which calls
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* getSendSuccess of #communicationInterface.
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* Calls abstract functions scanForReply() and interpretDeviceReply().
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* - SEND_READ: Request reading data from device by calling doSendRead() which calls
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* requestReceiveMessage of #communcationInterface
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* - GET_READ: Access requested reading data by calling doGetRead() which calls
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* readReceivedMessage of #communicationInterface
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* @param counter Specifies which Action to perform
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* @return RETURN_OK for successful execution
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*/
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* @brief This function is the device handler base core component and is called periodically.
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* @details
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* General sequence, showing where abstract virtual functions are called:
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* If the State is SEND_WRITE:
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* 1. Set the cookie state to COOKIE_UNUSED and read the command queue
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* 2. Handles Device State Modes by calling doStateMachine().
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* This function calls callChildStatemachine() which calls the abstract functions
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* doStartUp() and doShutDown()
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* 3. Check switch states by calling checkSwitchStates()
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* 4. Decrements counter for timeout of replies by calling decrementDeviceReplyMap()
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* 5. Performs FDIR check for failures
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* 6. Calls hkSwitcher.performOperation()
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* 7. If the device mode is MODE_OFF, return RETURN_OK. Otherwise, perform the Action property
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* and performs depending on value specified
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* by input value counter. The child class tells base class what to do by setting this value.
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* - SEND_WRITE: Send data or commands to device by calling doSendWrite() which calls
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* sendMessage function of #communicationInterface
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* and calls buildInternalCommand if the cookie state is COOKIE_UNUSED
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* - GET_WRITE: Get ackknowledgement for sending by calling doGetWrite() which calls
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* getSendSuccess of #communicationInterface.
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* Calls abstract functions scanForReply() and interpretDeviceReply().
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* - SEND_READ: Request reading data from device by calling doSendRead() which calls
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* requestReceiveMessage of #communcationInterface
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* - GET_READ: Access requested reading data by calling doGetRead() which calls
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* readReceivedMessage of #communicationInterface
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* @param counter Specifies which Action to perform
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* @return RETURN_OK for successful execution
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*/
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virtual ReturnValue_t performOperation(uint8_t counter);
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virtual ReturnValue_t initialize();
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