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Sometimes can be useful put the display in sleep mode. Setting command "thup=1", the display is waked up by a touch event. The touch event is sent to microcontroller with X and Y coordinates, but the original poll() code does not manage that event. I added the capability of managing that event in a defined page and component ID, so a callback function can be called. This because microcontroller needs to know (or it should know!) if the display is in sleep mode or not. There are 3 new #define in NextionTypes.h: #define NEX_SS true/false : code supports Screen Saver (using sleep) mode? #define NEX_SS_COMP XX : touching component ID XX will activare event to exit Screen Saver mode (event attached will be called) #define NEX_SS_PAGE YY : the page YY in which component is Note: if no callback defined, the display exits sleep mode but, obviously, nothing is called. The most common use is to create an entire screen touch area and attach a callback. Whe
Added exit sleep mode event support
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I added 2 methods to Nextion.h/.cpp:
ActivateWakeEvent(uint8_t page_id, uint8_t component_id);This method permits to execute a callback handler attached to component_id in page_id when the display wakes up after sleep.
DeActivateWakeEvent();This method stops to execute callback described above (so wake-up after sleep send no event to code).