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Fix bootloader size read-out

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This commit is contained in:
BlackMark 2020-04-11 23:02:16 +02:00
parent 3ce9c60448
commit f307eb1340
1 changed files with 4 additions and 4 deletions
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8
stk500v2/main.cpp
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@ -340,15 +340,15 @@ static inline void performChipErase()
};
constexpr auto getBootloaderSize = []() -> uint16_t {
const auto extendedFuse = boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS);
const auto highFuse = boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS);
constexpr auto BOOTSZ0 = 1;
constexpr auto BOOTSZ1 = 2;
if (extendedFuse & (1 << BOOTSZ1 | 1 << BOOTSZ0))
if (highFuse & (1 << BOOTSZ1) && highFuse & (1 << BOOTSZ0))
return 256 * 2;
else if (extendedFuse & (1 << BOOTSZ1))
else if (highFuse & (1 << BOOTSZ1))
return 512 * 2;
else if (extendedFuse & (1 << BOOTSZ0))
else if (highFuse & (1 << BOOTSZ0))
return 1024 * 2;
return 2048 * 2;
};