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该代码包括STM32控制NRF24L01无线接收并将接收到的数据通过串口发送到PC端

本程序主要通过串口通讯从嵌入式设备读取空气质量数据，并以界面显示，通讯方式以标准的modbus_rtu协议，程序通过串口类实现数据的接收与发送

This a simple bootloader for AT91SAM7{S,X}{64,128,256} processors. It permits you to download new code to the device over USB. This bootrom is installed at address 0x00000000 in the ARM, which means that it is the first piece of code to execute after reset. At startup, it waits for a few seconds to see if the downloader is trying to connect. If not, then the bootloader gives up control and jumps to your program. If the downloader is trying to connect, then the bootloader receives the new program over USB and writes it into flash.

再配一个C 语言测试代码，用于测试自己实现的8051 CPU。-representing a C language test code for the achievement test their 8051 CPU.

AT91M40800源码，包含串口，液晶屏，按键等-AT91M40800 source, including the serial port, LCD screen, buttons, etc.

ADC0808的PWM实验，有proteus仿真图和C程序。-ADC0808 of the PWM experiment, there proteus simulation map and the C program.

ARM S3C2410处理器 uart串口驱动程序 开发环境：ads1.2-ARM S3C2410 processor UART serial driver development environment: ads1.2

A4 ARM ELF File Format.pdf，arm的重要文件格式-A4 ARM ELF File Format.pdf, arm an important file formats

LPC23XX系列红外（IrDA）工程文件加源代码，直接可用。-LPC23XX Series Infrared (IrDA) project file plus source code, can be used directly.

飞利浦的LPC2000系列arm的开发，主要功能部件的源码，包括ADC,RTC,UART,PWM-Philips LPC2000 series arm of the development, the main functional components of the source code, including ADC, RTC, UART, PWM