portapack-mayhem/firmware/common/spi_image.hpp

122 lines
3.3 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 __SPI_IMAGE_H__
#define __SPI_IMAGE_H__
#include <cstdint>
#include <cstddef>
#include "memory_map.hpp"
namespace portapack {
namespace spi_flash {
struct image_tag_t {
constexpr image_tag_t(
) : c { 0, 0, 0, 0 }
{
}
constexpr image_tag_t(
char c0, char c1, char c2, char c3
) : c { c0, c1, c2, c3 }
{
}
image_tag_t& operator=(const image_tag_t& other) {
c[0] = other.c[0];
c[1] = other.c[1];
c[2] = other.c[2];
c[3] = other.c[3];
return *this;
}
bool operator==(const image_tag_t& other) const {
return (c[0] == other.c[0]) && (c[1] == other.c[1]) && (c[2] == other.c[2]) && (c[3] == other.c[3]);
}
operator bool() const {
return (c[0] != 0) || (c[1] != 0) || (c[2] != 0) || (c[3] != 0);
}
private:
char c[4];
};
constexpr image_tag_t image_tag_ais { 'P', 'A', 'I', 'S' };
constexpr image_tag_t image_tag_am_audio { 'P', 'A', 'M', 'A' };
constexpr image_tag_t image_tag_capture { 'P', 'C', 'A', 'P' };
constexpr image_tag_t image_tag_ert { 'P', 'E', 'R', 'T' };
constexpr image_tag_t image_tag_nfm_audio { 'P', 'N', 'F', 'M' };
constexpr image_tag_t image_tag_tpms { 'P', 'T', 'P', 'M' };
constexpr image_tag_t image_tag_wfm_audio { 'P', 'W', 'F', 'M' };
constexpr image_tag_t image_tag_wideband_spectrum { 'P', 'S', 'P', 'E' };
constexpr image_tag_t image_tag_jammer { 'P', 'J', 'A', 'M' };
constexpr image_tag_t image_tag_audio_tx { 'P', 'A', 'T', 'X' };
constexpr image_tag_t image_tag_afsk { 'P', 'A', 'F', 'S' };
constexpr image_tag_t image_tag_epar { 'P', 'E', 'P', 'R' };
constexpr image_tag_t image_tag_play_audio { 'P', 'P', 'A', 'U' };
constexpr image_tag_t image_tag_xylos { 'P', 'X', 'Y', 'L' };
constexpr image_tag_t image_tag_rds { 'P', 'R', 'D', 'S' };
constexpr image_tag_t image_tag_hackrf { 'H', 'R', 'F', '1' };
struct chunk_t {
const image_tag_t tag;
const uint32_t length;
const uint8_t data[];
const chunk_t* next() const {
return reinterpret_cast<const chunk_t*>(&data[length]);
}
};
struct region_t {
const size_t offset;
const size_t size;
constexpr const void* base() {
return reinterpret_cast<void*>(portapack::memory::map::spifi_cached.base() + offset);
}
};
constexpr region_t bootstrap {
.offset = 0x00000,
.size = 0x8000,
};
constexpr region_t images {
.offset = 0x8000,
.size = 0x38000,
};
constexpr region_t application {
.offset = 0x40000,
.size = 0x40000,
};
} /* namespace spi_flash */
} /* namespace portapack */
#endif/*__SPI_IMAGE_H__*/