wannianli

实现数码管0-7的静态显示，采用c语言编写。(play led)

使用MSP430F5438单片机和HC-SR04超声波模块实现测距的源码。( Using the MSP430F5438 microcontroller and HC-SR04 ultrasonic ranging module source.)

基于K60的PID调速，飞思卡尔都要用到，很重要的(K60 is based PID control, Freescale must be used, it is important)

基于STM32的16位DAC8811驱动程序，亲测可用(STM32-based 16-bit DAC8811 driver, pro-test available)

$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

基于stm32的定时器中断应用，可产生相位差为90度的两路周期性脉冲，可用于模拟正交编码器脉冲(Stm32 timer interrupt based applications can generate a phase difference of 90 degrees two periodic pulse, can be used for analog quadrature encoder pulse)

nrf905 接收机程序 89C52 验证通过 绝对好使(nrf905 receiver program 89C52 verified through absolutely so)

说明：  单片机软件仿真开发的硬件级联方式，可用于简单仿真及硬件实现(SCM software simulation developed hardware cascade can be used for simple simulation and hardware implementation)

说明：  各位C51的爱好者能够看到我的拙作，这离不开龙 啸九天版主的支持，在此，我向他表示感谢，也相信C51BBS会越办越好！(C51 fan you can see my apology, which is inseparable from Long Xiao nine moderator support in this, I thanked him, and believe C51BBS will be better and better!)

说明：  点阵显示原代码，上传的为c语言，也有原理图。(Dot matrix display of the original code, upload the c language, but also schematic.)