mimo Capacity_vs_SNR graph drawing

实现串口双向通信，并具有绘制函数图形（程序内绘制的是正弦函数图形需要可自己更改代码），并保存绘制的函数图片-Serial two-way communication, and has a graph a function (within the program are drawing a sine function graph need to change their code), and save the image drawing function

本项目是一个Android纯代码实现的折线图小例子源码，没有使用任何第三方的东西，使用了点之间直接绘制直线的方式绘制的整体的折线图，对分辨率也做了适配可以根据分辨率动态调整绘制出的折线图。-This project is a pure Android code to achieve the line chart small example source code, without the use of any third party, used between direct rendering

用Android Studio编写的基于蓝牙BleGatt协议的app上位机程序，并且可以接收单片机传来的书据进行绘图，适合大家用于做无线蓝牙数据控制，和无线蓝牙绘制数据图。(App Bluetooth PC program based on BleGatt protocol with Android Studio to write, and can receive from SCM books according to the drawing, suitable for everyone to