portapack-mayhem/firmware/common/portapack_shared_memory.hpp
2016-04-11 10:20:19 -07:00

53 lines
1.6 KiB
C++

/*
* Copyright (C) 2015 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 __PORTAPACK_SHARED_MEMORY_H__
#define __PORTAPACK_SHARED_MEMORY_H__
#include <cstdint>
#include <cstddef>
#include "message_queue.hpp"
struct TouchADCFrame {
uint32_t dr[8];
};
/* NOTE: These structures must be located in the same location in both M4 and M0 binaries */
struct SharedMemory {
static constexpr size_t baseband_queue_k = 12;
static constexpr size_t application_queue_k = 11;
MessageQueue baseband_queue;
uint8_t baseband_queue_data[1 << baseband_queue_k];
MessageQueue application_queue;
uint8_t application_queue_data[1 << application_queue_k];
void* FIFO_HACK;
// TODO: M0 should directly configure and control DMA channel that is
// acquiring ADC samples.
TouchADCFrame touch_adc_frame;
};
extern SharedMemory& shared_memory;
#endif/*__PORTAPACK_SHARED_MEMORY_H__*/