Refer to the assembly (or assembler) language.
1
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1answer
34 views
Force compiler to execute instructions sequentially?
Is there a way to force the Arduino compiler to compile individual commands sequentially? Looking at the disassembly, lines of the assembly code for different C/Arduino commands are mixed. I was ...
0
votes
1answer
22 views
Arduino PWM fading led in assembly
I'm writing Arduino UNO (=ATMega328P-PU) programs in assembly to save memory, so I use avra.exe (same as atmel studio's avrasm32) to compile and avrdude to upload, and simple programs like blinking ...
1
vote
1answer
26 views
Working on a reaction test for the Arduino Uno using an led and an lcd shield
The situation involves some Asm inline practice and a basic circuit. The program turns an LED on after a somewhat random period of time then waits until the button is pressed to report back how many ...
0
votes
2answers
94 views
Make LED blink using AVR assembly
I have an ATmega328P Arduino and am trying to make the LED blink using assembly without any additional includes. The goal is to have it blink for 1 second on, then 1 second off, however, it blinks ...
1
vote
2answers
173 views
How to update multiple outputs simultaneously
I need to update simultaneously all the outputs of a specific port.
I am familiar with using micro-processors assembly language. After initializing a port (Data Direction Register), I can write to ...
1
vote
2answers
46 views
Programing in Assembly for the Digispark
I've been given a digispark and am looking to write straight assembly code for it. Anyone know how to get started with this? I've been successful in getting the Arduino IDE set-up but would really ...
0
votes
3answers
126 views
How fast is an Arduino?
Can an Arduino Uno calculate the time that an assembly instruction will take in nanoseconds, not microseconds? I don't want to use a PC, because the calculation will be more accurate using an Arduino, ...
1
vote
1answer
66 views
Interleave Assembly and Source for avr-objdump
Trying to get avr-objdump to generate a listing that interleaves the assembly with the source code. I've tried a bunch of debugging arguments in different configurations but I can't seem to get it. ...
1
vote
2answers
65 views
How is AVR Assembly in Eclipse or at Linux command line done?
I'm trying to learn AVR development in C and Assembly for the Arduino Uno (Atmel 328p microprocessor) in Linux.
I've found many good guides on how to install and setup the AVR plugin for Eclipse, ...
0
votes
0answers
44 views
Please! Help with the implementation of Arduino on a clap switch circuit
i am a novate in this topic of Arduino and Electronics, what happens is that i want to implement Arduino on a clap switch. Take a llok to the circuit (without Arduino, off course):
The idea is to ...
1
vote
1answer
90 views
Upload Assembly to AVR on a breadboard using Arduino as ISP
I try to learn assembly and use an arduino uno R3 to act as a programmer. i have build a standalone circuit with an atmega328p, can upload usual sketches (written in c) and have also sucessfully ...
2
votes
1answer
583 views
Storing in a global variable using inline assembly
What I'm trying to do is pretty basic: I have a global variable and I'm trying to store some value in it (specifically, the SP_H and SP_L values).
The variable is an array of structs and I'm trying ...
1
vote
1answer
405 views
Arduino uno AVR assembly with LEDs
I am currently in an introductory assembly language class.
My assignment is to use a sparkfun joystick shield kit to do something with an arduino uno. I figure turning on LEDs is the easiest. We must ...
1
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1answer
2k views
How to create delays in AVR assembly language
Hi i'm new to AVR assembly language so i was trying to get delay function to create 1 ms , 100us, and 1us delays to do that i need to figure out what to replace nop's with below here (mainboard ...
