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⚠️ rework watchdog timer (WDT) #474

Merged
merged 7 commits into from
Jan 11, 2023
Merged

⚠️ rework watchdog timer (WDT) #474

merged 7 commits into from
Jan 11, 2023

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stnolting
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This PR is complete rework of the NEORV32 Watchdog Timer (WDT).

  • remove access password and bus exception trigger
  • remove clock prescaler select
  • add programmable 24-bit timeout value; internal counter increments at f_main/4096
  • now using "bite and bark" concept
    • when reaching "timeout/2" an optional CPU interrupt is triggered
    • when reaching "timeout" a system-wide hardware reset is triggered
  • change control register layout
  • update HAL (SW drivers), example program and documentation

@stnolting stnolting added enhancement New feature or request HW hardware-related labels Jan 10, 2023
@stnolting stnolting self-assigned this Jan 10, 2023
@stnolting stnolting marked this pull request as ready for review January 10, 2023 20:25
@stnolting stnolting merged commit 4e00530 into main Jan 11, 2023
@stnolting stnolting deleted the rework_wdt branch January 11, 2023 19:11
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