Questions tagged [avr-gcc]

AVR-GCC is a compiler that takes C language high level code and creates a binary source which can be uploaded into an AVR micro controller.

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12 votes
2 answers
11k views

Will a .ino Arduino Sketch compile directly on GCC-AVR?

Okay, we all have seen those questions all over the web such as Arduino v.s. C++, or other similar questions. And a vast majority of the answers do not even touch compilation differences other than ...
RedDogAlpha's user avatar
11 votes
2 answers
2k views

Understanding the compilation/linking/upload process (so I don't have to use the IDE)

I have started to play with and arduino UNO quite recently (without any prior experience with micro-controllers). I would like to use emacs instead of the IDE, and I'd also like to know what the IDE ...
Ash's user avatar
  • 225
10 votes
1 answer
4k views

Setting timer3 in CTC mode - conflict with servo library

I would like to set up a timer in order to call a function 800 times per second. I'm using the Arduino Mega and Timer3 with a prescaler of 1024. To choose the prescaler factor I've considered the ...
UserK's user avatar
  • 559
6 votes
1 answer
3k views

What are the benfits of global variables over static class members?

On an embedded system we use global variables often to keep dynamic memory consumption on heap and stack low. But global variables are also considered bad programming practice if they aren't used in a ...
Ariser's user avatar
  • 577
3 votes
1 answer
2k views

Using an Arduino board to program an AVR

I think the arduino board is awesome. Though I'm not interested in the library and IDE at all... Is there a way, to use an AVR 328p, as you normally would, on an arduino board? I like how arduino's ...
aaa's user avatar
  • 2,695
2 votes
3 answers
2k views

Compiling code via terminal

How can I compile my code via terminal? I am working on a Chrome app that allows you to write, compile, and upload code to an Arduino, and I need to know this so I can use the command line compiler on ...
Jordan Baron's user avatar
0 votes
1 answer
269 views

Running Arduino code for Bluefruit LE on bare ATMega328

I need to hook up Bluefruit LE Breakout (nRF8001-based) to ATMega328 chip (to use it as wireless UART), and it seems like the library provided is for Arduino. What I have is just bare ATMega328 (note ...
Roman Susi's user avatar
0 votes
3 answers
252 views

Why atmega168/328p starts to reset?

First we set fuse bits: avrdude -c usbasp -p atmega328p -U lfuse:w:0xFF:m -U hfuse:w:0xDF:m -U efuse:w:0x07:m # same for atmega168 In the following examples we use the following commands to compile ...
Igor Liferenko's user avatar
-1 votes
1 answer
26k views

Error compiling code for Arduino/Genuino Uno

Arduino: 1.8.6 Hourly Build 2017/10/20 02:33 (Windows 10), Board: "Arduino/Genuino Uno" c:\users\hp\desktop\arduino-nightly\hardware\tools\avr\bin../lib/gcc/avr/4.9.2/../../../../avr/bin/ar.exe:...
dragonwarrior's user avatar