tlc2543

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

关于CPLD程序，采用VHDL语言实现DAC0832的时序控制-CPLD about procedures, the use of VHDL language implementation of the DAC0832 Timing Control

AT91RM9200 图形显示 ADS 调试代码-AT91RM9200 graphics ADS debug code

包含移植好的LWIP,以及CS8900网络芯片驱动程序-contains good LWIP transplantation, and CS8900 chip Network Driver

verilog写的 自动售饮料机-written in verilog beverage vending machine

硬件的cpu是arm920i2c总线和camera之间的连接驱动在嵌入式linux操作系统下编写-hardware cpu is arm920i2c bus and camera link between the driver in embedded Linux operating system prepared

Contiki is an open source, highly portable, multi-tasking operating system for memory-constrained networked embedded systems

terawin的t103 LCD驱动程序，完整版-terawin the t103 LCD driver, a complete version!

用于ARM芯片LPC1768的点灯程序。通过Kvu4平台将程序下载进ARM电路板，检测正常工作指示灯、无线发送数据指示灯、看门狗复位指示灯是否能正常工作，保证芯片基本功能正常，能进行后续开发。

ARM9200在LINUX2.4.19下的NORFLASH E28F128的驱动程序,可以直接加载使用-ARM9200 in LINUX2.4.19 under NORFLASH E28F128 driver can be loaded directly using the