mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-13 19:54:39 +00:00
97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
/*
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* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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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, or (at your option)
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "ch.h"
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#include "message.hpp"
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#include "fifo.hpp"
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#include "io.hpp"
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class BufferExchange {
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public:
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BufferExchange(CaptureConfig* const config);
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~BufferExchange();
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BufferExchange(const BufferExchange&) = delete;
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BufferExchange(BufferExchange&&) = delete;
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BufferExchange& operator=(const BufferExchange&) = delete;
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BufferExchange& operator=(BufferExchange&&) = delete;
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#if defined(LPC43XX_M0)
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bool empty() const {
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return fifo_buffers_for_application->is_empty();
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}
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StreamBuffer* get() {
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return get(fifo_buffers_for_application);
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}
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bool put(StreamBuffer* const p) {
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return fifo_buffers_for_baseband->in(p);
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}
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#endif
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#if defined(LPC43XX_M4)
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bool empty() const {
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return fifo_buffers_for_baseband->is_empty();
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}
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StreamBuffer* get() {
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return get(fifo_buffers_for_baseband);
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}
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bool put(StreamBuffer* const p) {
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return fifo_buffers_for_application->in(p);
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}
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#endif
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static void handle_isr() {
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if( obj ) {
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obj->check_fifo_isr();
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}
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}
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private:
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CaptureConfig* const config;
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FIFO<StreamBuffer*>* fifo_buffers_for_baseband { nullptr };
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FIFO<StreamBuffer*>* fifo_buffers_for_application { nullptr };
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Thread* thread { nullptr };
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static BufferExchange* obj;
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void check_fifo_isr() {
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if( !empty() ) {
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wakeup_isr();
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}
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}
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void wakeup_isr() {
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auto thread_tmp = thread;
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if( thread_tmp ) {
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thread = nullptr;
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chSchReadyI(thread_tmp);
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}
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}
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StreamBuffer* get(FIFO<StreamBuffer*>* fifo);
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};
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