zr-v4

Andrew Tridgell 1513246040 AP_FlashStorage: fixed two bugs found by night-ghost this fixes two issues found by night-ghost. The first occurs if a 16 bit flash write is not atomic and only the first byte is written. Then we could end up declaring the data invalid on reboot and erasing. The second is a race in switching sectors. If power off occurs at the wrong time we would trigger en erase on reboot.		7 years ago
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examples/FlashTest	AP_FlashStorage: added erase_ok callback	8 years ago
AP_FlashStorage.cpp	AP_FlashStorage: fixed two bugs found by night-ghost	7 years ago
AP_FlashStorage.h	AP_FlashStorage: fixed size of flash storage	7 years ago