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https://github.com/DarkFlippers/unleashed-firmware
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60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
//
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// Created by Avilov Vasily on 10.06.2023.
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//
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#ifndef FLIPPERZERO_FIRMWARE_ENDIANNESS_H
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#define FLIPPERZERO_FIRMWARE_ENDIANNESS_H
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inline static void store16(uint8_t* b, uint16_t i) {
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memcpy(b, &i, 2);
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}
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inline static void store32(uint8_t* b, uint32_t i) {
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memcpy(b, &i, 4);
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}
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inline static uint16_t load16(uint8_t* b) {
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uint16_t x;
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memcpy(&x, b, 2);
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return x;
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}
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inline static uint32_t load32(uint8_t* b) {
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uint32_t x;
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memcpy(&x, b, 4);
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return x;
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}
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#if BYTE_ORDER == BIG_ENDIAN
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#define htobe16(x) (x)
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#define htobe32(x) (x)
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#define htole16(x) __builtin_bswap16(x)
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#define htole32(x) __builtin_bswap32(x)
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#define be16toh(x) (x)
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#define be32toh(x) (x)
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#define le16toh(x) __builtin_bswap16(x)
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#define le32toh(x) __builtin_bswap32(x)
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#elif BYTE_ORDER == LITTLE_ENDIAN
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#define htobe16(x) __builtin_bswap16(x)
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#define htobe32(x) __builtin_bswap32(x)
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#define htole16(x) (x)
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#define htole32(x) (x)
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#define be16toh(x) __builtin_bswap16(x)
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#define be32toh(x) __builtin_bswap32(x)
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#define le16toh(x) (x)
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#define le32toh(x) (x)
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#else
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#error "What kind of system is this?"
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#endif
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#define load16_le(b) (le16toh(load16(b)))
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#define load32_le(b) (le32toh(load32(b)))
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#define store16_le(b, i) (store16(b, htole16(i)))
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#define store32_le(b, i) (store32(b, htole32(i)))
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#define load16_be(b) (be16toh(load16(b)))
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#define load32_be(b) (be32toh(load32(b)))
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#define store16_be(b, i) (store16(b, htobe16(i)))
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#define store32_be(b, i) (store32(b, htobe32(i)))
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#endif //FLIPPERZERO_FIRMWARE_ENDIANNESS_H
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