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Design of touch screen driver in embedded Linux

LI Jie-si

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Abstract

Touch screen only worked continuously and steadily through driven disposal based on specifically hardware and software.A touch pannel control system,which is composed of arm9 processor s3c2410 and driven chip ADS7846,is introduced in detail;moreover,the material connection and principle of this system is presented and the pivotal driver is analyzed and designed in the light of the SPI clock in embedded Linux.Application showed that this strategy has advantages of rapid response and precise sampling for input operation.

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What this paper is about

Touch screen only worked continuously and steadily through driven disposal based on specifically hardware and software.A touch pannel control system,which is composed of arm9 processor s3c2410 and driven chip ADS7846,is introduced in detail;moreover,the material connection and principle of this system is presented and the pivotal driver is analyzed and designed in the light of the SPI clock in embedded Linux.Application showed that this strategy has advantages of rapid response and precise sampling for input operation.

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Available abstract

Touch screen only worked continuously and steadily through driven disposal based on specifically hardware and software.A touch pannel control system,which is composed of arm9 processor s3c2410 and driven chip ADS7846,is introduced in detail;moreover,the material connection and principle of this system is presented and the pivotal driver is analyzed and designed in the light of the SPI clock in embedded Linux.Application showed that this strategy has advantages of rapid response and precise sampling for input operation.

Key concepts: ARM9, Computer science, Embedded system, Computer hardware, Software, Chip, Operating system, Telecommunications

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