portapack-mayhem/firmware/common/portapack_shared_memory.hpp
2015-07-29 14:26:40 -07:00

54 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 "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 {
MessageQueue baseband_queue;
MessageQueue application_queue;
// TODO: M0 should directly configure and control DMA channel that is
// acquiring ADC samples.
TouchADCFrame touch_adc_frame;
int8_t correction_ppm;
};
extern SharedMemory& shared_memory;
#if defined(LPC43XX_M0)
inline void init_message_queues() {
new (&shared_memory.baseband_queue) MessageQueue();
new (&shared_memory.application_queue) MessageQueue();
}
#endif
#endif/*__PORTAPACK_SHARED_MEMORY_H__*/