Control system and method for capacitive touch screen

摘要

A control system for a capacitive touch screen is provided. The control system comprises a touch detecting circuit, touch hard instruction, a storage module and a controller. The touch detecting circuit detects a capacitance variance to generate touch data. The touch hard instruction executes a touch computing function on the touch data. The storage module is connected to the touch detecting circuit and the at least one touch hard instruction, and records the touch data generated by the touch detecting circuit and the touch data computed by the touch hard instruction. The controller is connected to the touch detecting circuit, the at least one touch hard instruction, and the storage module, and assigns at least one touch task of a touch algorithm to the at least one touch hard instruction, so as to execute a corresponding touch computing function of the touch algorithm.

主权项

1. A control system for a capacitive touch screen, comprising:
a touch detecting circuit, for detecting a capacitance variance of the capacitive touch screen to generate a touch data; a plurality of touch hard instruction circuits, for respectively executing a touch computing function on the touch data correspondingly; a storage module, connected to the touch detecting circuit and the plurality of touch hard instruction circuits, for recording the touch data generated by the touch detecting circuit and the touch data computed by the plurality of touch hard instruction circuits, wherein the storage module is divided into a plurality of banks using a touch frame as a unit, so as to respectively record the touch data of the touch frame; and a controller, connected to the touch detecting circuit, the plurality of touch hard instruction circuits, and the storage module, for assigning at least one touch task of a touch algorithm to the plurality of touch hard instruction circuits, so as to execute a touch computing function of the touch algorithm correspondingly, wherein the touch detecting circuit, the plurality of touch hard instruction circuits, the controller, and the storage module are connected by a memory arbiter.