mirror of https://github.com/ArduPilot/ardupilot
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
/*
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implement a file store for embedded firmware images
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*/
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#pragma once
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#include <stdint.h>
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class AP_ROMFS {
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public:
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// Find the named file and return its decompressed data and size. Caller
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// must call AP_ROMFS::free() on the return value after use to free it.
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// The data is guaranteed to be null-terminated such that it can be
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// treated as a string.
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static const uint8_t *find_decompress(const char *name, uint32_t &size);
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// free decompressed file data
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static void free(const uint8_t *data);
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// get the size of a file without decompressing
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static bool find_size(const char *name, uint32_t &size);
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/*
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directory listing interface. Start with ofs=0. Returns pathnames
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that match dirname prefix. Ends with nullptr return when no more
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files found
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*/
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static const char *dir_list(const char *dirname, uint16_t &ofs);
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private:
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struct embedded_file {
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const char *filename;
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uint32_t compressed_size;
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uint32_t decompressed_size;
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uint32_t crc;
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const uint8_t *contents;
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};
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// find an embedded file
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static const AP_ROMFS::embedded_file *find_file(const char *name);
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static const struct embedded_file files[];
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};
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