portapack-mayhem/firmware/application/capture_thread.hpp

79 lines
1.9 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 "file.hpp"
#include "optional.hpp"
#include <cstdint>
#include <cstddef>
#include <utility>
class Writer {
public:
virtual File::Result<size_t> 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,
std::function<void(File::Error)>&& error_callback
);
~CaptureThread();
const CaptureConfig& state() const {
return config;
}
static void check_fifo_isr();
private:
static constexpr auto event_mask_loop_wake = EVENT_MASK(0);
CaptureConfig config;
std::unique_ptr<Writer> writer;
std::function<void(File::Error)> error_callback;
static Thread* thread;
static msg_t static_fn(void* arg) {
auto obj = static_cast<CaptureThread*>(arg);
const auto error = obj->run();
if( error.is_valid() && obj->error_callback ) {
obj->error_callback(error.value());
}
return 0;
}
Optional<File::Error> run();
};
#endif/*__CAPTURE_THREAD_H__*/