Elevator-program

[2005最新C++经典著作].John.Wiley.and.Sons.You.Can.Do.It.A.Beginners.Introduction.to.Computer.Programming.eBook-DDU([2005 C latest classics]. John.Wiley.and.Sons.Yo u.Can.Do.It.A.Beginners.Introduction.to. Computer.Programming.eBook- DDU)

this program for student. toturial for gpio stm

说明：  本程序基于单片机实现RTC实时时钟，简单易懂(The program is based MCU RTC real time clock, easy to understand)

在stc51单片机上，timer0、timer1、timer2的控制(In the stc51 microcontroller, timer0, Timer1, timer2 control)

SD卡2.0协议的详细资料，可用与SPI使用(The details of the SD card 2.0 protocol can be used with SPI)

TI公司的ADS1299是8路低噪音同时取样的24位delta-sigma ADC,并内置了可编程增益放大器(PGA),基准电压和振荡器,集成了脑电图(EEG)所需的通用特性.器件具有非常低的输入参考噪音:1.0 μVPP (70-Hz BW),没路的功耗5mW,输入偏置电流300pA,数据速率250SPS到16kSPS,C1.0 μVPP (70-Hz BW),CMMR为-110dB,可编程增益为1, 2, 4, 6, 8, 12或24,单极或双极电源工作,主要用在医疗仪器如EEG和ECG,听觉诱发电位(EAP),脑电双频谱指数(BIS),睡眠研究监测等,高精度多路信号采集.(The ADS1299 is a low-noise, multichannel, simultaneous-sampling, 24-bit, delta-sigma (ΔΣ) analog-to-digital converter (ADC) with a built-in programmable gain amplifier (PGA), internal reference, and an onboard oscillator. The ADS1299 incorporates all commonly-required features for electroencephalogram (EEG) applications.)

ATMEGA48 头文件 适用于 ICCAVR7.0 有些版本没有ATMEGA48的头文件(ATMEGA48 )

ad_da 数电——模电 转换,单片机应用子程序(ad_da transformation)

定时器：设定时间格式（00：:00）后，到时间弹出提示(timer：set time(00:00),then run up)

一个简单的小车单片机C语言控制，适合初学者(A simple car microcontroller C language control, suitable for beginners)