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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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12
libraries/AP_HAL_PX4/Storage.cpp
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@ -176,12 +176,12 @@ void PX4Storage::_storage_open(void)
*/
void PX4Storage::_mark_dirty(uint16_t loc, uint16_t length)
{
uint16_t end = loc + length;
while (loc < end) {
uint8_t line = (loc >> PX4_STORAGE_LINE_SHIFT);
_dirty_mask |= 1 << line;
loc += PX4_STORAGE_LINE_SIZE;
}
uint16_t end = loc + length;
for (uint8_t line=loc>>PX4_STORAGE_LINE_SHIFT;
line <= end>>PX4_STORAGE_LINE_SHIFT;
line++) {
_dirty_mask |= 1U << line;
}
}
void PX4Storage::read_block(void *dst, uint16_t loc, size_t n)