Bootloader timestamp

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urbanze
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Joined: Sat Jun 10, 2017 9:55 pm
Location: Brazil

Bootloader timestamp

Postby urbanze » Sat Jun 06, 2020 6:55 pm

Timestamp used by bootloader and 2nd bootloader is CPU cycle counter and after scheduler are RTOS tick, OK.

However, I tried to find time that RTC WDT is enabled and found one curious detail: Timestamp go back (rollback) before RTC WDT, why?
Line with "chip revision" = 89 cycles
Line with "bootloader 2nd stage" = 47 cycles

Whats happen? Why? What is the real RTC WDT startup time? 89+48?

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