tms320c5409 dtmf source code

应用背景飞思卡尔单片机hcs12中文资料，介绍16位mcu的使用，编程关键技术可用于飞思卡尔智能车设计大赛中的单片机开发参考，详细介绍pwm模块的操作等

应用背景在STM32F105和STM32F107互连型系列微控制器之前，意法半导体已经推出STM32基本型系列、增强型系列、USB基本型系列、互补型系列；新系列产品沿用增强型系列的72MHz处理频率。内存包括64KB到256KB闪存和 20KB到64KB嵌入式SRAM。新系列采用LQFP64、LQFP100和LFBGA100三种封装，不同的封装保持引脚排列一致性，结合STM32平台的设计理念，开发人员通过选择产品可重新优化功能、存储器、性能和引脚数量，以最小的硬件变化来满足个性化的应用需求。关键技术本实验将实现如下功能：开机先检测字库是否存在，如果检测无问题，则对VS1053进行RAM测试和正弦测试，测试完后开始循环播放SD卡MUSIC文件夹里面的歌曲（必须在SD卡

冷光源 产品的控制器 HT48R系列和HT48E系列-cold light source products controller HT48R series and HT48E Series

infineon C515C RTX51 example. it contains example on using this device

PIC单片机控制12位高速串行DA（max538）产生阶梯波-PIC SCM 12 high-speed serial DA (max538) ladder generated wave

嵌入式开发板s3c2410的模数转换模块的linux操作系统驱动程序，涉及进程，中断，信号量，文件系统等概念-S3C2410 embedded development board of the analog-digital conversion module linux operating system drivers, involved in the process, interruption, semaphores, file system concepts

自动售货机控制系统设计 要求： 设计制作一个自动售货机控制系统。 该系统能完成货物信息存储，进程控制，硬币处理，余额计算，显示等功能。 该系统可以管理四种货物，每种的数量和单价在初始化时输入，在存储器中存储。用户可以用硬币进行购物，按键进行选择。 系统根据用户输入的货币，判断钱币是否够，钱币足够则根据顾客的要求自动售货，钱币不够则给出提示并退出。 系统自动的计算出应找钱币余额、库存数量并显示。 -Vending machine control system design requirements: Design a vending machine control system. The system can complete cargo information storage, process control, coin handling, balance calculation, display and other functions. The system can manage four kinds of goods, the quantity and unit price of each in the initialization input, stored in memory. Users can use coins shopping button to choose. The monetary system based on user input to determine whether enough money, coins, according to customer requirements is sufficient Vending, coins were not given prompt and exit. The system automatically calculate the balance should be looking for coins, inventory number and displayed.

测试DaVinci平台硬件uart的linux端程序-DaVinci UART hardware platform to test the linux client program

本系统利用集成智能温度传感器测量温度，采用光纤传输温度信号。系统由单片机（HT46R24）控制温度传感器（DS18B20）的温度采集。当有采集温度的指令的时候，才启动温度传感器并采回其数据，在没有进行温度采集的时候，将通过抬高温度传感器的地，关断其工作电源，如此可以降低系统的功耗。系统将每一次采集回来的数据与前一次的数据比较，若温度变化超限或温升超标，立即发送上述温度值；否则，累加到采集了一定的次数，再向主机发送最新温度值。-The system uses an integrated smart temperature sensors measure temperature, using optical fiber transmission temperature signal. System consists of microcontroller (HT46R24) controlling the temperature sensor (DS18B20) the temperature of collection. When a collection of instructions, when the temperature before start-up temperature sensors and taken back to its data, collected in the absence of the temperature when the temperature sensor will raise, the turn-off the power of their work, so you can reduce system power consumption. The system will come back every time collecting data and previous data comparison, if the temperature changes or temperature exceeding overrun immediately send the temperature value otherwise accumulate to collect a certain number of times, again

这个代码是本人写的UHF demo，用来读写64k超大user区的标签。如有任何疑问，请通过下面邮箱联系本人freshtree@163.com