DL645

AD9851驱动程序，采用串行写入方式，STM32写入频率控制字。(AD9851 driver, using serial write mode, STM32 write frequency control word.)

2.4g和FM（72MHZ，40MHZ，35MHZ……）是个啥信号波，就是我们的控制内容，手拿遥控器推一推摇杆，信号波的频率就会改变(2.4g and FM (72MHZ, 40MHZ, 35MHZ ......) is Gesha signal wave is our control content, holding the remote control push, rocker, will change the frequency of the signal wave)

ad7991测试程序，需要自己填写控制字(ad7991 testing procedures need to fill their own control word)

plc 的电梯控制程序，含有组态软件,控制算法。plc 采用三菱fx1n(plc elevator control program, containing configuration software)

上位机图形显示程序,可用于8051单片机的开发,通信及控制(PC graphics procedures can be used for the 8051 microcontroller development, communication and control)

说明：  读写SD卡的头文件，MMC，不含fat文件系统。(Read and write SD card.)

用单片机对遥控器实现解码，并在数码管上显示(Infrare Decoder)

实现对气体流量表的基于音速喷嘴的自动检定(testing for the gas flow meters based on stangdard acoustic nozzles)

$regfile = M8DEF.dat internal crystal 8000000 Config Lcdpin = Pin , Db4 = Portc.1 , Db5 = Portc.2 , Db6 = Portc.3 , Db7 = _ Portc.4 , E = Portd.2 , Rs = Portd.3 Config Lcd = 16 * 2 Config Timer1 = Counter , Edge = Rising Ddrb.1 = 0 : Portb.1 = 1 PULL UP RESISTOR ACTIVATED Config Timer0 = Timer , Prescale = 1024 Enable Counter1 Enable Interrupts Enable Timer0 Enable Timer1 On Ovf1 Pulsecount On Ovf0 Ovf0occures Dim A As Long , I As Long , B As Byte B = 0 Cls Start Timer0 Do Loop End end program Ovf0occures: Incr I If I > 30 Then Stop Timer0 Cls : Home A = B * 65536 A = A + Counter1 Lcd FREQ IS : A HZ B = 0 I = 0 : Counter1 = 0 Start Timer0 End If Return Pulsecount: Incr B Counter1 = 0 Return

智能安防报警系统是集布防,检测,报警为一体的软硬件相结合智能化系统。(Intelligent security alarm system is a deployment, detection, alarm as one of the intelligent combination of hardware and software systems.)