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STM Touch and low power

Question asked by maistrello.mirko on Apr 9, 2014
Hello everybody,

I am developing a touch remote controller using STM32L151CB. The device uses 7 touchkeys but in order to reduce power consumption i would like to enable the acquisition of only one touchkey during low power mode and re enable all the touchkey after the first detection. Is it possible to do so with the touch library?

I tried simply to make dynamic the TSLPRM_TOTAL_BANKS define inside tsl_user.c module. It seems to work fine but after a few time I get an Hard Fault.

Can you help me?
Thank you.