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Interrupts signal the processor events that need immediate attention. They could emitted by hardware or software. The response to interrupts takes place in an interrupt handler (interrupt service routine, ISR) that is called after suspension of the current running code and saving the processor's state.

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1 answer
126 views

why raspberry pi 3 fail to read 1000 p/r rotary encoder while my 8 bit nuvoton micro control...

I am using LS s40-6-1000ZT(H) 1000 p/r rotary encoder for my project with raspberry pi 3,but raspberry not working properly as per encoder specification(i.e not counting event properly).What could be …
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1 vote
1 answer
121 views

why frequency output is not constant?

[![I uploaded piscope image and same time output image also for better understanding of issues][1]][1]I am using sample code of Pypi from "http://abyz.co.uk/rpi/pigpio/python.html" to detect frequency …
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  • 69
0 votes
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1k views

How to implement serial event detection for request /response operation with Tkinter

I am working an application where I read two sensor values in every 200ms and show values in Tkinter window . My issue is in my application I have to response request from master PC through serial por …
ram's user avatar
  • 69