mirror of https://github.com/g4klx/MMDVM.git
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/*
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* Copyright (C) 2020 by Jonathan Naylor G4KLX
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* Copyright (C) 2020 by Geoffrey Merck F4FXL - KC3FRA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(RINGBUFFER_H)
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#define RINGBUFFER_H
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#if defined(STM32F4XX)
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#include "stm32f4xx.h"
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#elif defined(STM32F7XX)
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#include "stm32f7xx.h"
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#else
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#include <Arduino.h>
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#undef PI
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#endif
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#if defined(__SAM3X8E__)
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#define ARM_MATH_CM3
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#elif defined(STM32F7XX)
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#define ARM_MATH_CM7
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#elif defined(STM32F4XX) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__)
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#define ARM_MATH_CM4
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#else
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#error "Unknown processor type"
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#endif
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#include <arm_math.h>
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template <typename TDATATYPE>
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class CRingBuffer {
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public:
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CRingBuffer(uint16_t length = 370U);
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uint16_t getSpace() const;
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uint16_t getData() const;
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bool put(TDATATYPE item) volatile;
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bool get(TDATATYPE& item) volatile;
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TDATATYPE peek() const;
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bool hasOverflowed();
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void reset();
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private:
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uint16_t m_length;
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TDATATYPE* m_buffer;
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volatile uint16_t m_head;
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volatile uint16_t m_tail;
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volatile bool m_full;
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bool m_overflow;
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};
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#include "RingBuffer.impl.h"
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#endif
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