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CSD Multiple Touch | Cypress Semiconductor

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CSD Multiple Touch

Last Updated: August 28, 2009

Question: Can CSD UM slider detect multiple touches?

Response: No.  By default, the CSD User Module does not support multiple touch detection on a slider.  PSoC slider position calculation algorithm has been developed in assumption the customer is touching slider in one point only, adding multiple touch rejection requires a CSD_wGetCentroidPos() modification. The simple way can be adding a post processing routine that analyzes a status of touched sensors and detects non-touched sensors between touched. If this happens, a multiple touch can be detected and touch position result should be ignored.


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