关于汽车电子 音量及音效控制的芯片源代码I2C的-Volume and sound control of automotive electronic chip source code I2C

以LPC2294为平台的汽车故障诊断仪程序，集成液晶显示，CAN通讯，I2C，键盘等多种功能。-LPC2294 as a platform to the automotive fault diagnostic procedures, integrated liquid crystal display, CAN communication, I2C, keyboard and many other features.

I2C Protokol for 89c51 keil

交通灯分为X组和Y组，每组包括了2位倒计时数码管和红黄绿三色LED信号灯（每组包括﹢、-两小组，显示内容一样），考虑到应用需求，要求芯片可通过I2C接口连接到上位机，以调节内部控制寄存器,此为Verilog代码，包含led、seg、timer等模块。-Traffic lights are divided into groups X and Y groups, each including two digital countdown yellow-green and red LED lights