These are my blogs
and also my life
Systemd: Timers
2020-06-30 unix c
In the fourth post on how to create a service in systemd we will create a timer that will run every minute sending messages to our example foo service ... Read More
Systemd: A Service and a Socket
2020-06-26 unix c
This is the third post on how to create a service in systemd. See the first post to create a autotools project and start/stop a daemon service. Or the ... Read More
Status, Reloading and Journalling in Systemd
2020-06-23 unix c
This is the second post on how to create a service in systemd. In the first post we created an autotools project and were able to start, stop and get ... Read More
Viterbi Example
2020-05-01 c signal-processing
Here we go! In this post I’m going to go through how Viterbi Decoders work. There is a lot to cover since we need to touch on Convolutional ... Read More
I/O Multiplexing in Unix
2020-04-26 unix c
In Unix a process performs I/O on a single file descriptor at a time. When we talk about I/O on a file think read() and write() calls which are ... Read More
SSD1306 Display Module to Raspberry Pi Wiring
2020-04-22 c hardware
I recently bought a DIY Display Module using the SSD1306 Driver from Alibaba AliExpress. In this post we discuss the physical wiring from the display ... Read More
A CLI Tool to Recommend Text
2020-04-14 c convolution
Computers are fast at comparing one string to another, however, when we need to find which string is closest to other strings things become more ... Read More
The Stack of Frames in C with ARM Assembly Example
2020-04-03 c arm
Function calls in the C programming language make heavy use of the stack. When functions are called, they create a so-called stack of frames. This ... Read More
Converting C Conditionals to ARM Assembly
2020-03-27 c assembly arm
In this post we can explore how to the gcc compiler converts to C to ARM assembly language. We’ll specifically look at conditional logic. ... Read More
Delay Lines in C
2020-03-23 c signal-processing
There are many scenarios where a delay line is needed in signal processing. Scenarios ranging from Digital Filters, Convolution, Reverberation, Echo ... Read More