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I am using Dual Boot feature of MAX10, where CFM0 contains factory image (failsafe) and CFM1 contains operational image. I have enabled reconfiguration watchdog timer in Quartus 19., but when I set relevant bit in the control register of the Dual Configuration IP to reset the watchdog, MAX10 re-configures to the previous image. How to stop the watchdog timer with Dual Configuration IP?
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Hi PStep10,
There is no option/setting in Dual configuration IP to disable the watchdog timer.
There only way to disable it through Convert Programming File setting (in Quartus):
Regards,
Matt
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Hi Matt,
I am aware, that watchdog timer can only be enabled from File Convert settings. I was referring to reset watchdog register. Once the watchdog has been enabled it will count down and then trigger reconfiguration.
I am looking for an option to stop/reset watchdog through the registers. There is a bit 1 in register offset 0x00 (ug_m10_config.pdf) named "reset watchdog timer", but when I set this register MAX10 does reconfigure to a different CFM. I think this is not the correct behavior.
What is the method of stopping watchdog timer without triggering reconfiguration?
Kind regards,
Piotr
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Hi Piotr,
The IP register can only reset the watchdog timer. If you want to disable it, you can disable it in File Convert Programming File tools.
May I know how you reset the watchdog using the register? If possible, send me the screenshot of your command or write it down.
Regards,
Shafiq

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