Questions tagged [embedded]
For code that targets an embedded device or some severely resource-constrained environment.
135 questions
2votes
0answers
67views
compile time, but Not inlined function in C and C++
We have a graphics library for the Ti84CE, which uses the 24bit eZ80. It has a 16bit 1555 screen, so we have a gfx_Darken function that will darken a 16bit 1555 ...
2votes
1answer
83views
Ensuring data integrity with dual memory structures while using the `offsetof` macro [closed]
I am working with a fairly large data structure that needs to be maintained in RAM in two forms: a standard version and an inverted version. Whenever an element is updated, it must be written to the ...
user288260
2votes
1answer
219views
Implements a READ ID command between the iCE40 HX8K and the AT25SF0818 in Verilog
Question How can I improve my Verilog code? Context Flash Read ID Operation This project is an implimentation of the Read Manufacturer and Device ID (9Fh) operation ...
- 131
2votes
1answer
52views
Synchronizing an embedded system with RTOS
I wrote this code for a make-up assignment to pass one of my college class and graduate from my program in the field of electronic and embedded system. It's pretty much the realization of a solar ...
3votes
1answer
58views
A generic queue that transfers data from interrupt to main program
This code aims to implement a queue, which transfers data from interrupt to main program in a bare metal embedded system. There are two execution points, the main program and the irq handler. Both ...
- 131
0votes
0answers
63views
C# like Dependency injection for C++ on embedded device
I was wondering if it would be possible to create a C# like syntax for dependency injection. My device is running constantly and acting more or less like a service. I came up with the following. My ...
- 129
2votes
1answer
89views
How to interface a "pull" library with a "push" library using callbacks
I am using a driver that retrieves data from HW (Driver) and a display (Viewer) that will output data to the user. The user calls a trigger function to initiate the getting of data from the Driver. ...
- 23
3votes
2answers
132views
Defining hardware components structure
I'm writing firmware for my Arduino project, and I'm struggling with a clean, scalable hardware mapping structure. Initially, I had the following namespace: ...
4votes
1answer
97views
Arm GPIO driver
I'm new to bare-metal programming. I'm currently developing some drivers for my first project. This is a simple GPIO driver. I tested it and it's working fine. What do you guys think of it, and how ...
3votes
5answers
182views
Calculate a math sequence that converges
Thanks for taking the time to read this. I could use a few pointers. I have written much better code but wrote this as a quick test. There is obviously a major issue/s somewhere except for the ...
- 33
3votes
1answer
113views
Raspberry Pi/PySimpleGUI based resistance test system
Hardware: Raspberry Pi 3B+, Elecrow touchscreen, DFR0660 Barcode Scanner, ADS1115 ADC I would like any bad practices/possible failure points pointed out specifically in the ...
14votes
2answers
1kviews
Arcsine function for a real-time control program
I have been developing control software for a three-phase induction motor. The main task of this C++ code is to control the torque of the motor. In one part of the algorithm (The control algorithm is ...
- 355
7votes
2answers
650views
Arduino library to simplify differential drive robots
I've written code for an Arduino library to abstract away some of the underlying logic in a particular way of moving robots. Code is posted after explanations. I'm not assuming a high degree of ...
6votes
2answers
590views
Drift correction for sensor readings using a high-pass filter
An embedded project my team is working on is having issues with sensor drift over time. To solve this, I thought it might work to use a high-pass filter, since the portion of the signal that we care ...
1vote
1answer
191views
Implementation of the driver for the speed sensor
I have been developing a C++ driver for the incremental rotary encoder (irc) based speed sensor. It is a part of my embedded software project. The driver is basically decomposed into two layers: The ...
- 395
