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3
votes
4answers
192 views
Available Guidelines for Interrupt Driven Processing
Are there any available guidelines for the amount of code to have in a critical section of interrupt driven processing?
My personal rule of thumb is that the critical portion, (i.e. that between ...
1
vote
1answer
161 views
Problems with LCD initialization: 4-bit mode
I have this microcontroler with this LCD(DEM16216) mounted on it which I cannot initialize.
Only 4 of the pins are connected, thus it runs in a 4 bit mode (I think?). I found the datasheet for it ...
1
vote
0answers
70 views
Ufer ground in home foundations — NEC code / copper conductors [closed]
Here's the relevant NEC code (2014) for the question I have:
NFPA 70
250.52 Grounding Electrodes.
(3) Concrete-Encased Electrode.
A concrete-encased electrode shall consist of at least 6.0 m (20 ...
1
vote
1answer
51 views
Barker code autocorrelation
How do you auto correlate the following Barker code? I tried to use the formula on Wikipedia's page but it did not make sense to me.
+1, +1, -1, +1
8
votes
5answers
379 views
What tools or standards can be used to improve embedded C code reliability?
I typically program PICs in C, usually for switched-mode converters. I've heard of various static analysis tools and standards like MISRA C that can be used to help improve the reliability of code. ...
