philips ARM7 lpc2103 的AD口接光敏电阻，来探测LCD背光是否打开，并通过UART0，打印出AD转换后光米电阻测试的电压值，并输出LCD给光的开关状态-philips ARM7 lpc2103 I received the photo resistors AD to detect LCD backlight is turned on, and UART0, print optical AD conversion of the voltage meter to test the

clock, serial and lcd interfacer inplemented for lpc2103.

本程序代码在IAR环境中运行，其主控芯片是LPC2103，通过LCD与LPC2103的连接电路，可以实现在液晶屏上显示汉字字符等-The code runs in the IAR environment, its main chip is the LPC2103, and LPC2103 LCD connection through the circuit, can be achieved in the LCD screen to display Chinese characters, etc.