A student uses the code below in a continuous loop to generate a 200 Hz square wave,
Question:
A student uses the code below in a continuous loop to generate a 200 Hz square wave, noting the period of 200 Hz is 5 ms.
He is then surprised to measure a frequency of 250 Hz. Explain why this is so.
Transcribed Image Text:
redled = 1; wait_ms (2.5); redled = 0; wait_ms(2.5); // flash red led
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Muhammad Umair
I have done job as Embedded System Engineer for just four months but after it i have decided to open my own lab and to work on projects that i can launch my own product in market. I work on different softwares like Proteus, Mikroc to program Embedded Systems. My basic work is on Embedded Systems. I have skills in Autocad, Proteus, C++, C programming and i love to share these skills to other to enhance my knowledge too.
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Related Book For
Fast And Effective Embedded Systems Design Applying The ARM Mbed
ISBN: 978-0081008805
2nd Edition
Authors: Tim Wilmshurst, Rob Toulson
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