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11
votes
2answers
6k views

Is it better to use #define or const int for constants?

Arduino is an odd hybrid, where some C++ functionality is used in the embedded world—traditionally a C environment. Indeed, a lot of Arduino code is very C like though. C has traditionally used ...
1
vote
4answers
344 views

Do Arduinos meet military standards?

Do Arduinos meet military standards? If not, where does it fall short? Is it something internal to the chip which might be corrected via external circuit? How could I evaluate the potential of a ...
0
votes
1answer
32 views

SD Library writing char in a file

I'm trying to write into a file using this code from the example of the library: String dataString = ""; int sensor = 0; dataString += String(sensor); dataString += ","; sensor +=1; File dataFile = ...
0
votes
1answer
137 views

coding standards for bigger projects

I'm starting a decently sized project around arduino/ATMELavr, and I came to wonder if there are any commonly accepted C/C++ coding standards or style guidelines specifically aimed at embedded ...