• If you look up "timer" code through google maybe adding Borland, they have a true microsecond routine and can't remember but I think also nanosecond timer in C code. Looking though these functions...
  • See full list on codeproject.com
  • 555 Timer Monostable using Pushbutton - The two circuits above illustrate using the 555 timer to close a relay for a predetermined amount of time by pressing a momentary N/O push button. The circuit on the left can be used for long time periods where the push button can be pressed and released before the end of the timing period.
  • The EXT_disjoint_timer_query extension is part of the WebGL API and provides a way to measure the duration of a set of GL commands, without stalling the rendering pipeline. WebGL extensions are available using the WebGLRenderingContext.getExtension() method.
  • The resolution of otime for both timer_timeout() and TimerTimeout() functions is in nanoseconds. The difference, however, for otime in these two functions is in the format. For timer_timeout(), the otime is a pointer to timespec structure with two integers, whereas for TimerTimeout(), the pointer is of uint64_t type. Blocking states
  • See full list on linux.die.net
  • More delays would be needed in order to get the resolution at the longest delay. The reference delay was kept at 1kOhm and the signal generator that the signal went into to match the impedance has a simple timer that can be used to set the pump and probe to zero - it basically lines the laser pulses up so that they both trigger at the same moment.
  • Online countdown timer with a popup-box or a sound alarm. Try also the repeat function. Online stopwatch with split times. Clocks. Alarm Clock.

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Use this mode when a timer/counter more than 32-bits wide is required. Cascaded operation requires using Timer 0 and Timer 1 together as a pair. The counting event for Timer 1 is when Timer 0 rolls over from all 1s to all 0s, or vice-versa when counting down. Interrupts
Aug 27, 2009 · If I were using a 1GHz processor, is it possible to program a timer accurate to one nanosecond? Likewise, could a 2GHz processor be accurate to .5 a nanosecond? I want to measure distance using a timestamp sent from point A to point B via radio waves. I wanted to do this with and an Arduino...

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How many nanosecond in 1 second? The answer is 1000000000. We assume you are converting You can view more details on each measurement unit: nanosecond or second The SI base unit for...
Edited MicroSecond not Nano See posts bellow, doesn't work on x64 and probably has issues on multicores and speed stepping processors. if it has any chance of working it needs to lock the thread with setThreadMaskAffinity to a CPU or Core (though I don't know if that works or not) to try and counter the speed step issues it periodically recalculates the CPU frequency.

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Obviously a defined resolution of nanoseconds is useless if the value is updated once per minute. If you are still not convinced, consider reading such a clock three times a minute, and compare the time you would get. So we want a frequent update of the time bits.
This creates a one-shot timer that goes off in 5.5 seconds. (We got the “.5” because of the 500,000,000 nanoseconds value.) We're assuming that this is used as a relative timer, because if it weren't, then that time would have elapsed long ago (5.5 seconds past January 1, 1970, 00:00 GMT). Here's another example: