用c8051f005单片机操作da转换器 dac908-C8051F005 single-chip operation with da converters dac908

交通灯 VHDL 程序，程序功能：红灯绿灯各9秒，黄灯3秒-Traffic lights VHDL program, the program features: 9 seconds of red light and green light, 3 seconds of yellow light

hibernate和单元测试，需新建数据库-hibernate and unit testing, need to create a new database

本实验将实现如下功能：本实验利用TIM3_CH2产生PWM来控制DS0亮度，DS0将从遵从暗-->亮--->暗-->亮的循环。-The experiment will achieve the following functions: In this study, TIM3_CH2 DS0 generate PWM to control brightness, DS0 will comply dark-> ligh