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Lab_Timer and Timer Signals
- The goal of this lab is (1) to under the defects of software timers, (2) to write a periodic program without timers, (3) to write a periodic program using timer Hardware:Host computer PC Software: GNU GCC -The goal of this lab is (1) to
MC9S12XS128_PIT
- MC9S12XS128_PIT是由一系列24位时钟组成，可以用于触发外围模块或者周期性中断。-MC9S12XS128_PIT is formed by a series of 24-bit clock can be used to trigger external modules or periodic interrupt.
state
- 带正负的同频率周期信号的相位差测量机的FPGA实现-With positive and negative periodic signals with frequency phase measuring machine FPGA Implementation
ADSample
- 本程序是通过AD校正来提高2812 AD采样的精度，AD采样频率为10K，序列发生器SEQ1和SEQ2级联成一个16通道的序列发生器， 采样模式采用顺序采样。利用通用定时器T1的周期中断事件来启动AD转换。 ADCINA0和ADCINB0为参考电平，实际的电压值分别为0.420和1.653,此例程对 ADCINA0、ADCINA1、ADCINB0、ADCINB1四个通道进行连续10次的采样，然后对各个通道的10个采样值进行排序，滤波，最后取平均值。然后由ADCINA0 和ADCINB0通道
send_test
- 输入时钟，可以得到周期性的有效信号以及同步信号，同时可以随时钟输出8个字节的数据-Input clock, can be an effective signal, as well as periodic synchronization signal, at the same time can be 8-byte clock output data
794191277.5_ucos_mbox
- ucos 消息邮箱的应用 时分多址是把时间分割成周期性的帧(Frame)每一个帧再分割成若干个时隙向基站发送信号-Application-mail news uCOS TDMA is divided into periodic time frames (Frame) and then each frame is separated into a number of slots to the base station to send signals
Example1
- 本例展示了如何利用外设TIM2来产生四路频率不同的信号。 TIM2时钟设置为36MHz，预分频设置为2，使用输出比较-翻转模式（Output Compare Toggle Mode）。 TIM2计数器时钟可表达为：TIM2 counter clock = TIMxCLK / (Prescaler +1) = 12 MHz 设置TIM2_CCR1寄存器值为32768，则CC1更新频率为TIM2计数器时钟频率除以CCR1寄存器值，为366.2 Hz。因此，TIM2通道1
main1
- MSP430F149实现对周期的计数,进而可以对输入周期性信号的频率进行技术-MSP430F149 implementation of cycle counting, and then can enter the frequency of periodic signal technology
adc
- This example sets up the PLL in x10/2 mode, divides SYSCLKOUT by six to reach a 25Mhz HSPCLK (assuming a 30Mhz XCLKIN). The clock divider in the ADC is not used so that the ADC will see the 25Mhz on the HSPCLK. Interrupts are enabled and the EVA i
freq_high2low
- 输入一个高频时钟，输出一个频率可设置的周期信号的verlog模块，在系统设计时很方便-Enter a high-frequency clock, the output frequency can be set up a periodic signal verlog modules, system design at a very convenient
32bitcycletimer
- 基于《Stellaris外设驱动库》的例程：定时器32位周期定时示例 请掌握以下库函数的用法： TimerConfigure() TimerLoadSet() TimerEnable()/TimerDisable() TimerIntEnable() TimerIntStatus() TimerIntClear() 本实验实现了如何定时器产生周期性中断。定时器被设置为每秒产生2次中断，在每次进入中断处理程序中时都翻转一侧对应的GPIO端口。
LM3STimer16BitPeriodic
- 基于《Stellaris外设驱动库》的例程：定时器16位周期定时示例 本实验程序演示了如何使用定时器实现周期性中断。定时器从装载值递减至0后产生一次中断，在中断处理函数中翻转一次LED1。LED1指示灯指示了每次中断及中断的速率。-Based on " Stellaris peripheral driver library" of routines: 16-bit cycle timer example of the experimental procedures f
periodic_task
- Its the sample program of how to schedule a single periodic task in RTlinux
periodic_task2
- Its the sample program of how to schedule a two single periodic task in RTlinux
FrequencyMeasurement
- 频率测量，对于周期波频率的测量方法很多，但大多是通过测量间接计算频率。本文介绍了用目前应用比较广泛的MCS-51系列单片机对周期波频率进行测量，并通过LED以数字形式直观地示出频率，实现测量的智能化，省去间接对频率计算的麻烦与错误。文章对其测量原理、设计和实现作了说明，并进行了误差分析-Frequency measurement, the cycle frequency of the measurement method, but are calculated indirectly by mea
ADCcalibrationV11
- This example program runs from RAM on the EzDSP. It initializes the event manager to generate a periodic start of conversion (SOC) pulse to the ADC. This will trigger a conversion of the ADC and when completed the ADC will generate an interrupt. The
Oscilloscope
- A C Code has been written to imlement the palm sized oscilloscope. Input is the periodic signal or aperiodic signl of maximum 1khz. This signal would be plotted on the 128x64 Graphical LCD interfaced with the microncontroller 89C52. -A C Code
MCUAD
- 本音频信号分析仪由32位MCU为主控制器，通过AD转换，对音频信号进行采样，把连续信号离散化，然后通过FFT快速傅氏变换运算，在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理，然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz，其幅度范围为5mVpp-5Vpp，分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期，是理想的音频信号分析仪的解决方案。-The audio signal ana
cat
- Electronic cat. Device for mouse panic inside the home. Generate ultrasound frequency and periodic switing beetween different freq-s
timers
- Timer This example application demonstrates the use of the timers to generate periodic interrupts. One timer is set up to interrupt once per second and the other to interrupt twice per second each interrupt handler will toggle its own indi