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2 years ago | |
|---|---|---|
| Include | 3 years ago | |
| Listings | 3 years ago | |
| Main | 3 years ago | |
| Objects | 3 years ago | |
| .gitignore | 3 years ago | |
| C52.uvgui.Simular | 3 years ago | |
| C52.uvopt | 3 years ago | |
| C52.uvproj | 3 years ago | |
| LICENSE | 3 years ago | |
| README.md | 2 years ago | |
README.md
C51 cymometer
嵌入式实验 学号尾号23
C51单片机方波频率计，测量范围1hz-晶振允许的范围（24分之晶振周期）
- 三个档位：
- 中频和高频档位测量原理相同，门限时间内计算下降沿个数
- 低频原理，门限下降沿个数内计算时间
- 门限：1、2、5、10
- 串口输出频率
- lcd1602屏幕输出频率、模式、门限
- k1、k2按键手动切换模式、门限
- 自动量程模式，k3按键切换是否打开（上电默认关闭）
- k4按键强制刷新lcd屏幕显示