mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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* Copyright (C) 2015 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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#ifndef __PORTAPACK_SHARED_MEMORY_H__
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#define __PORTAPACK_SHARED_MEMORY_H__
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#include <cstdint>
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#include <cstddef>
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#include "message_queue.hpp"
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struct TouchADCFrame {
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uint32_t dr[8];
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};
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/* NOTE: These structures must be located in the same location in both M4 and M0 binaries */
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struct SharedMemory {
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static constexpr size_t baseband_queue_k = 12;
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static constexpr size_t application_queue_k = 11;
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MessageQueue baseband_queue;
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uint8_t baseband_queue_data[1 << baseband_queue_k];
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MessageQueue application_queue;
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uint8_t application_queue_data[1 << application_queue_k];
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// TODO: M0 should directly configure and control DMA channel that is
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// acquiring ADC samples.
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TouchADCFrame touch_adc_frame;
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};
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extern SharedMemory& shared_memory;
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#if defined(LPC43XX_M0)
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inline void init_message_queues() {
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new (&shared_memory.baseband_queue) MessageQueue(
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shared_memory.baseband_queue_data, SharedMemory::baseband_queue_k
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);
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new (&shared_memory.application_queue) MessageQueue(
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shared_memory.application_queue_data, SharedMemory::application_queue_k
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);
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}
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#endif
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#endif/*__PORTAPACK_SHARED_MEMORY_H__*/
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