CodeWarrior

12864上面的并行画线，可以画圆，三角形，正方形，直线，正弦波(12,864 above the parallel line drawing, you can draw a circle, triangle, square, line, sine wave)

基于C语言编写一个程序，实现将存放在文件中的学号、姓名、电话等信息读出并显示出来。(Write a program based on the C language, the implementation will be stored in a file number, name, telephone and other information is read out and displayed.)

滤波器广泛应用于数字信号处理、通信、自动控制领域,但设计可变宽频带有源滤波器则比较困难。利用单片机控制参数可编程的双二阶通用开关电容有源滤波器,精确设置有源滤波器的中心频率f，品质因数Q及有源滤波器的工作方式。本系统主要分为两个部分:即程控滤波器和程控放大器。程控放大器电压增益为40dB，通过单片机控制DA进行分压，可精确实现要求的10dB步进，误差小于0.5 ，通带为100Hz-500KHz，输入电压峰－峰值范围为10mV，在输入范围内无明显失真。由MAX264为核心的滤波器，可设置为高通、低通滤波器。通过单片机直接给出控制频率，使-3dB截止频率在1KHz-20KHz内可调，步进1KHz，误差小于1 。整个系统以52单片机为控制核心，电路简单，性能稳定，且具有较高精度，滤波参数调节通过单片机控制，较为方便。(Filters are widely used in digital signal processing, communications, automatic control area, but the design variable wideband active filter is more difficult. Control parameters using single-chip programmable universal switched-capacitor biquad active filter, active filter accurately set the center frequency f, quality factor Q and the active filter works. The system is mainly divided into two parts: the program-controlled filters and programmable amplifiers. Programmable amplifier voltage gain of 40dB, the DA through the partial pressure of single-chip control, can accurately achieve the required 10dB step, the error is less than 0.5 , passband to 100Hz-500KHz, input voltage peak- the range of 10mV, the input range no significant distortion. By the MAX264 as the core of filter can be set to high pass, low pass filter. Given directly by the microcontroller controls the frequency, the-3dB cutoff frequency at 1KHz-20KHz adjustable, step 1KHz, error is less than 1 . The entire system for)

以定时的方式接收下位机传送的多帧数据，接收准确，实时性很强(In time to receive the next crew of the multi-frame data transmission, receive accurate, real-time strong)

1000以内所有的完数，比较简单，用于学习和交流(1000 all finished within few, relatively simple, for learning and communication)

与单片机接通,实时获得室内温度和湿度数据的程序(Connected with the microcontroller, real-time access to the indoor temperature and humidity data of the program)

只能车中将摄像头采集的图像通过无线收发(使用行中断)(Only car of the camera images collected through a wireless transceiver (use line breaks))

说明：  一个PS2键盘单片机, 使用Philips的接口+8051,写的不错,非常值得学习.(a PS2 keyboard microcontroller, the use of the interface, Philips 8051, was a good, very worth learning.)

stm32，通过spi总线实现对于TI的2543AD进行读写操作，串口uart输出数据(stm32, achieved through the spi bus for read and write to TI s 2543AD, serial uart output data)

灯光协议的DMX12 的源代码，单片机编写(mifare)