portapack-mayhem/firmware/application/capture_thread.hpp
Jared Boone b82eff51dd Refactor of capture buffer management between cores.
Instead of copying data into and out of FIFO, passing buffer pointers between cores that are sized to match preferred/ideal SD card write size.
2016-05-10 14:12:37 -07:00

68 lines
1.6 KiB
C++

/*
* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __CAPTURE_THREAD_H__
#define __CAPTURE_THREAD_H__
#include "ch.h"
#include "event_m0.hpp"
#include <cstdint>
#include <cstddef>
#include <utility>
class Writer {
public:
virtual bool write(const void* const buffer, const size_t bytes) = 0;
virtual ~Writer() = default;
};
class CaptureThread {
public:
CaptureThread(
std::unique_ptr<Writer> writer,
size_t write_size,
size_t buffer_count
);
~CaptureThread();
const CaptureConfig& state() const {
return config;
}
static void check_fifo_isr();
private:
CaptureConfig config;
std::unique_ptr<Writer> writer;
static Thread* thread;
static msg_t static_fn(void* arg) {
auto obj = static_cast<CaptureThread*>(arg);
return obj->run();
}
msg_t run();
};
#endif/*__CAPTURE_THREAD_H__*/