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HAL_PX4: fixed dirty_mask calculation in FRAM storage

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this could lead to a number of bytes on 512 byte boundaries not being
written when changed in ram, so they would revert on next boot
This commit is contained in:
Andrew Tridgell 2014-09-11 18:52:31 +10:00
parent 7aad03df28
commit 74525cad89
1 changed files with 6 additions and 6 deletions
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8
libraries/AP_HAL_PX4/Storage.cpp
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@ -177,10 +177,10 @@ void PX4Storage::_storage_open(void)
void PX4Storage::_mark_dirty(uint16_t loc, uint16_t length) void PX4Storage::_mark_dirty(uint16_t loc, uint16_t length)
{ {
uint16_t end = loc + length; uint16_t end = loc + length;
while (loc < end) { for (uint8_t line=loc>>PX4_STORAGE_LINE_SHIFT;
uint8_t line = (loc >> PX4_STORAGE_LINE_SHIFT); line <= end>>PX4_STORAGE_LINE_SHIFT;
_dirty_mask |= 1 << line; line++) {
loc += PX4_STORAGE_LINE_SIZE; _dirty_mask |= 1U << line;
} }
} }