Thank you for your answering!
But I need information about hysteresis behavior not only threshold..
I need to know is there schmitt trigger in the gpio. and if it is in input pin, I need to know detail about it.
There is some level of detail in this thread regarding using the API to control hysteresis: GPIO usage in WICED Smart SDK
If that is not sufficient, we will need to ask around to see if the chip developers can assist.
Is this resolved?
I think the datasheet already provides necessary information.
If no, please tell me what exactly you need.
Sorry for late reply .
I checked the thread and I saw the information below,
- /// iocfg_p0 controls the hysteresis of the following GPIOs p[0:25], p[30:39];
- /// iocfg_p26 controls the hysteresis of the GPIOs p[26:29]
- GPIO_HYSTERESIS_MASK = 0x2000,
- GPIO_HYSTERESIS_ON = 0x2000,
- GPIO_HYSTERESIS_OFF = 0x0000,
this part of description means we can change High and Low threshold changing these value(GPIO_HYSTERESIS_MASK,GPIO_HYSTERESIS_ON,GPIO_HYSTERESIS_OFF)?
The hysteresis affects all GPIOs - For example, turn hysteresis on for P26, then P26:29 are affected.
Does that answer your question?
Thank you for answering, I wanna know whether I can change threshold revel by changing GPIO_HYSTERESIS_ON and GPIO_HYSTERESIS_OFF?
No. It's just a setting of switching it on and off.
Do you exactly want to change threshold level of GPIO?
I still can't figure out what you want to do.