ADC read before bootloader

[Shikamaru]

HI, 

    I am working on a application which has an requirement, that I need to read the current value if it is above threshold value then I need to turnoff the control. Here my query is ,is there any way to do that task before entering to bootloader. Main reason for that is ,anyway bootloader will take certain time to boot(which is less only) the application at that time I don't want my device to get damage.so just curious to know can achieve that functionality, if yes then please share the reference. 

[Håkon Alseth]

Hi,

 

I am not sure I completely understand the scenario.

If you have a specific function/control in your application, wouldn't this be disabled on reset and re-enabled when you initialize the main application?

 

Kind regards,

Håkon

[Shikamaru]

Håkon Alseth can you elaborate it more. I didn't get your point.

regards,

shikamaru

[Håkon Alseth]

Hi,

 

Can you elaborate on what you need to do here?

Is there a persistent state based on an external IC that you need to handle?

 

Kind regards,

Håkon

[Shikamaru]

Håkon Alseth said:

Is there a persistent state based on an external IC that you need to handle?

no actually, you can say someone is giving me analog signals, here am reading those values( ADC ), if it crosses my threshold i will turn of controller itself.

[Håkon Alseth]

Hi,

 

Shikamaru said:

no actually, you can say someone is giving me analog signals, here am reading those values( ADC ), if it crosses my threshold i will turn of controller itself.

Understood.

But, why do you want this in the bootloader? Starting up and jumping to the application is not a costly procedure in terms of time.

If your mcuboot has serial output enabled, it might take time just to physically print the debug log, but those you can disable by changing mcuboot's config (CONFIG_LOG=n)

 

Kind regards,

Håkon