西门子的ppi协议，vb版，可以根据要求进行二次开发，我们单位的触摸屏都是用他开发的-Siemens ppi agreement, vb version, can be carried out in accordance with requirements of the secondary development of our touch screen units are developed with his

processore AVR ed un piccolo LCD touch-screen

Touch Screen Driver C++ Code for AVR