xtensa/esp32s3: Add XTWDT support #11179
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xiaoxiang781216
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Nov 13, 2023
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Please resolve merge conflicts |
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acassis
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Summary
Impact
Only esp32s3
Testing
Modified version of
watchdogexample usingesp32s3-devkit:watchdogconfig withESP32S3_XTWDToption under theSystem Type -> ESP32-S3 Peripheral Selection,Watchdog Timer Supportoption under theDevice Drivers → Timer Driver SupportandRTC clock source (External 32kHz crystal)orExternal 32kHz oscillator at 32K_XN pinchoice under theSystem Type -> RTC Configuration.To simulate 32768hz clock output, another esp device used with adjusted timer example. Clock connected to external oscillator pin (GPIO15).
wdog -i /dev/watchdog3command applied and during runtime clock connection removed.IRQ 120needs to be raised during the test.