操作触摸屏控制器　ＡＤＳ７８４３　ＡＤＳ７８４６的Ｃ程序 Keil C, AT89S52-operation Touchscreen Controller ADS7843 ADS7846 C procedures Keil C, AT89S52

用单片机控制触摸屏，控制芯片89C52，ADS7843，实现手写功能和存储功能-Touch screen control with single-chip microcomputer to control the chip 89C52, ADS7843, the achievement of hand-written features and storage capabilities