On Sunday, March 29, 2020, 7:46:25 PM EDT, Marcelo Varanda via Groups.Io <mv_email@...> wrote:
OK¡ I guess I am done for today¡ here are the changes for today:
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1- Timer are protected by roll-over after 50 days with no resets
2- Parameters are automatically stored in non-volatile memory
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? ?Every time a parameter is changed by the operator it is saved in non-volatile memory after the operator stop making changes:
? ? ?- parameters values are stored into memory AFTER 30 seconds with no parameter change in the UI.
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? ? Now if a watchdog reset happens the breather will keep going if the ?ventilation parameter was ON.
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? ? Note: the cycle starts from its beginning¡ if the reset happens when the lung was fully inflated then the inflation will be done once again¡ I hope that there is a relieve pressure system or the ? ?handling for high pressure action works around this.
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? ? ?Note however, that WDT reset will virtually never happen unless a strong magnetic disturbance hits the device or we have a catastrophic bug in our code.
jjpurdum