Why does an 8*8 LED matrix show both the old and new results of my C code on Raspberry Pi?

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

Trainer for Python, Data Science, Embedded Systems

The display of the 8*8 matrix is governed by the setting of particular bits. In the case of old result being displayed, it might be the case of initialization and refresh not done properly. To comment in detail would require some understanding of the problematic code.
Comments

Related Questions

Can you assign a different address to an array tag?
Nope, because Array Tag/Name is an alias or name to the first location of the array. It doesn't have any memory of its own (pointers do have their own memory).
Profile Photo
Sivaganesh
0 0
View Comments6
What is the concatenation operator?
The concatenation operator (##) is used to concatenate (combine) two separate strings into one single string. The concatenation operator is often used in C macros.
Profile Photo
R.s.praveen
What are the main characteristics of c programming?
C programming is known for several key characteristics that contribute to its popularity and versatility. First and foremost, C is a procedural programming language, meaning it follows a top-down approach...
Profile Photo
Balendra
0 0
View Comments6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Difference Between C Language and C Program
C Language: C Language is structured, high level and machine independent language. C Program: C Program is the collection of functions that are supported by C library.
S

Shashwat Kumar

0 0
View Comments0

C++ Program-Working with constant using #define preprocessor
//Header Files #include#include // using #define preprocessor for defining a constant#define len 10#define br 5#define rad 3#define NEWLINE '\n' //Main function void main(){ int area_r; float area_c; //Function...
Profile Photo

Dynamic Memory Allocation in C using malloc()
#include <stdio.h>#include <conio.h>//#include <malloc.h> OR#include <stdlib.h>void main(){ int *ptr, i, n, sum = 0; printf("how many elements ? "); scanf("%d", &n);...
Profile Photo

Understanding Computer Science Concepts with Images and Videos..
All Computer science concepts relating to programming and software development are only virtual. It cannot be practically shown as a hardware parts of a computer. But for better understanding it should...
Profile Photo

Internet of Things, Social Media Becoming Part of E-Discovery Landscape
The days when e-discovery consisted of handing over copies of e-mails to address Freedom of Information Act (FOIA) requests, compliance regulations or other legal obligations are over. Now, it's just as...
Profile Photo

Recommended Articles

Brilliant Academy is one of the reputed institutes for B.Tech tuition classes. This institute is specialised in delivering quality tuition classes for B.E, Engineering - all streams and Engineering diploma courses. Incorporated in 2012, Brillant Academy is a brainchild of Mr Jagadeesh. The main motto of the academy is to...

Read full article >

Lasya Infotech is a Hyderabad based IT training institute founded in 2016 by O Venkat. Believing in his innovation, passion and persistence and with a diverse blend of experience, he started his brainchild to deliver exemplary professional courses to aspiring candidates by honing their skills. Ever since the institute envisions...

Read full article >

Whether it was the Internet Era of 90s or the Big Data Era of today, Information Technology (IT) has given birth to several lucrative career options for many. Though there will not be a “significant" increase in demand for IT professionals in 2014 as compared to 2013, a “steady” demand for IT professionals is rest assured...

Read full article >

Business Process outsourcing (BPO) services can be considered as a kind of outsourcing which involves subletting of specific functions associated with any business to a third party service provider. BPO is usually administered as a cost-saving procedure for functions which an organization needs but does not rely upon to...

Read full article >

Looking for C Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you