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694b83123a
In to NXDN possible problem on sinc filter anc isinc filter, think they must be recalculated but do not know how to do it. On D-STAR, DMR, C4FM and P25 it work.
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/*
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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(SAMPLERB_H)
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#define SAMPLERB_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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#elif defined(STM32F105xC)
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#include "stm32f1xx.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 CSampleRB {
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public:
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CSampleRB(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(uint16_t sample, uint8_t control);
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bool get(uint16_t& sample, uint8_t& control);
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bool hasOverflowed();
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private:
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uint16_t m_length;
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volatile uint16_t* m_samples;
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volatile uint8_t* m_control;
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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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