mirror of https://github.com/PentHertz/srsLTE.git
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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/******************************************************************************
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* File: tti_synch.h
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* Description: Interface used for PHY-MAC synchronization
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* (producer-consumer model). The consumer waits while its
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* counter is lower than the producer counter.
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* The PHY is the consumer. The MAC is the producer.
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* Reference:
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*****************************************************************************/
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#ifndef SRSRAN_TTI_SYNC_H
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#define SRSRAN_TTI_SYNC_H
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#include <stdint.h>
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namespace srsran {
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class tti_sync
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{
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public:
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tti_sync(uint32_t modulus_)
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{
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modulus = modulus_;
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increment = 1;
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init_counters(0);
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}
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virtual void increase() = 0;
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virtual void increase(uint32_t cnt) = 0;
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virtual void resync() = 0;
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virtual uint32_t wait() = 0;
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virtual void set_producer_cntr(uint32_t) = 0;
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uint32_t get_producer_cntr() { return producer_cntr; }
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uint32_t get_consumer_cntr() { return consumer_cntr; }
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void set_increment(uint32_t increment_) { increment = increment_; }
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protected:
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void increase_producer() { producer_cntr = (producer_cntr + increment) % modulus; }
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void increase_producer(uint32_t cnt) { producer_cntr = cnt % modulus; }
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void increase_consumer() { consumer_cntr = (consumer_cntr + increment) % modulus; }
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bool wait_condition() { return producer_cntr == consumer_cntr; }
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void init_counters(uint32_t val)
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{
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consumer_cntr = val;
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producer_cntr = val;
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}
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uint32_t increment;
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uint32_t modulus;
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uint32_t producer_cntr;
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uint32_t consumer_cntr;
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};
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} // namespace srsran
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#endif // SRSRAN_TTI_SYNC_H
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