47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
#ifndef POLLINGSEQUENCEFACTORY_H_
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#define POLLINGSEQUENCEFACTORY_H_
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#include <fsfw/returnvalues/HasReturnvaluesIF.h>
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class FixedTimeslotTaskIF;
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/**
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* All device handlers are scheduled by adding them into
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* Polling Sequence Tables (PST) to satisfy stricter timing requirements of
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* device communication, a device handler has four different communication steps:
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* 1. DeviceHandlerIF::SEND_WRITE -> Send write via interface
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* 2. DeviceHandlerIF::GET_WRITE -> Get confirmation for write
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* 3. DeviceHandlerIF::SEND_READ -> Send read request
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* 4. DeviceHandlerIF::GET_READ -> Read from interface
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* The PST specifies precisely when the respective ComIF functions are called
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* during the communication cycle time.
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* The task is created using the FixedTimeslotTaskIF,
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* which utilises the underlying Operating System Abstraction Layer (OSAL)
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*
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* @param thisSequence FixedTimeslotTaskIF * object is passed inside the
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* Factory class when creating the PST
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* @return
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*/
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namespace pst {
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/* 0.4 second period init*/
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ReturnValue_t pollingSequenceInitDefault(FixedTimeslotTaskIF *thisSequence);
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/**
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* @brief This function creates the PST for all gomspace devices. They are
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* scheduled in a separate PST because the gomspace library uses
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* blocking calls when requesting data from devices.
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*/
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ReturnValue_t gomspacePstInit(FixedTimeslotTaskIF *thisSequence);
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ReturnValue_t pollingSequenceTest(FixedTimeslotTaskIF* thisSequence);
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/**
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* @brief This polling sequence will be created when the software is compiled for the TE0720.
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*/
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ReturnValue_t pollingSequenceTE0720(FixedTimeslotTaskIF* thisSequence);
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}
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#endif /* POLLINGSEQUENCEINIT_H_ */
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