| 基于ARM嵌入式触摸屏的设计与研究 |
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| 引用本文： | 刘荣林,刘亚坤,武华,程晓东. 基于ARM嵌入式触摸屏的设计与研究[J]. 内蒙古大学学报(自然科学版), 2009, 40(6) |
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| 作者姓名： | 刘荣林 刘亚坤 武华 程晓东 |
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| 作者单位： | 内蒙古大学电子信息工程学院,呼和浩特,010021 |
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| 摘 要： | 通过对触摸屏及控制器ADS7843工作原理的分析以及与ARM7微处理器LPC2387硬件连接的研究,设计出两种不同的触摸屏控制方式,并给出必要的软件编程及相关的触摸屏逻辑坐标与LCD物理坐标的转换公式.实验表明,Microwire总线控制方式反应更灵敏、人机交互能力更强.
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| 关 键 词： | 触摸屏 微处理器 I/O时序模拟 Microwire总线 |
Design of the Embedded Touch-screen Based on ARM |
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| LIU Rong-lin,LIU Ya-kun,WU Hua,CHENG Xiao-dong. Design of the Embedded Touch-screen Based on ARM[J]. Acta Scientiarum Naturalium Universitatis Neimongol, 2009, 40(6) |
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| Authors: | LIU Rong-lin LIU Ya-kun WU Hua CHENG Xiao-dong |
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| Abstract: | Based on the study and analysis of ADS 7843 touchscreen controller working principle and the hardware connections with LPC 2387,two different kinds of touch-screen control were designed,and a necessary software were given.The formula transformation between logical coordinates of touch-screen and physical coordinates of LCD was also given.The experiment results showed that the bus control of Microwire is more sensitive to response and more capable of human-computer exchange. |
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| Keywords: | touch-screen microprocessor I/O timing simulation Microwire bus |
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