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https://github.com/juribeparada/MMDVM_HS.git
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56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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/*
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Serial fifo control - Copyright (C) KI6ZUM 2015
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Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#if !defined(BITRB_H)
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#define BITRB_H
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#if defined(STM32F10X_MD)
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#include "stm32f10x.h"
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#include <cstddef>
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#else
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#include <Arduino.h>
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#endif
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class CBitRB {
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public:
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CBitRB(uint16_t length);
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uint16_t getSpace() const;
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uint16_t getData() const;
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bool put(uint8_t bit);
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bool get(uint8_t& bit);
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bool hasOverflowed();
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private:
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uint16_t m_length;
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volatile uint8_t* m_bits;
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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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#endif
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