huang weiliang | Embedded software | Linux Android QNX

How a big orginization to be faster on software development!!!

REAL AGILE and REAL FAST

The advantages of a large orginization A large organization is like a substantial vessel. Such a vessel remains stable when encountering significant waves. A large organization offers its employ...

Posted by half cup coffee on November 7, 2024

MPHY short introduction

An interface be used for UFS storage

MPHY The MIPI M-PHY is a serial communication protocol that aims to reduce power consumption and increase data rates for mobile systems: Power efficiency MIPI M-PHY uses burst operation to switch...

Posted by half cup coffee on October 4, 2024

Manually cross compile a program for android

Get rid of the android build system

Cross compile a programm for android Android build system will compole all the software components includes the kernel, native libraries and so on. Normally if we are going to add a native program...

Posted by half cup coffee on July 17, 2024

Qemu for arm64 android kernel version 6.1

A way to run the latest android kernel

Before start Before you start to follow this guide. You might need to read this link first. Fetch the android kernel version 6.1 From this Google link we can get to know the branch inforamtion o...

Posted by half cup coffee on July 17, 2024

USB introduction

General inforamtion about USB

USB interface by weller USB overview A USB system is a unidirectional communications hierarchy consisting of a single USB HOST and anywhere from 1 to 127 USB Devices. If more than one device is p...

Posted by half cup coffee on June 14, 2024

Learn arm64 architecture 01

To have a simple understand about arm64

Motivation Actually I were familiar with the arm architecture , even MIPS architecture many years ago. i think first 3 years when i start working. At that time, I need do the board birngup work Wh...

Posted by half cup coffee on June 8, 2024

Linux kernel printk new implementation

For the tool to decode the buffer snapshot

Reasons and detail of new implementation The Linux kernel’s fundamental printk() function new implementation is coming with Linux version 5.10. It is a fully lock-less ring-buffer implementation f...

Posted by half cup coffee on June 5, 2024

fio - Flexible I/O tester porting for QNX

adaption for QNX OS

fio:Flexible I/O tester fio is an I/O tool intended to be used both for benchmark and stress/hardware verification. Orginally it is supporting cross compiling for following OSs: Linux Andro...

Posted by half cup coffee on June 3, 2024

Real-Time rendering

A book about graphic rendering

A book about graphic rendering Going to read the book “Real-Time rendering”

Posted by half cup coffee on June 2, 2024

Introduction to UFS Subsystem

Keep collection for UFS topic

UFS and its Subsystem collection TI : Introduction to UFS Subsystem

Posted by half cup coffee on May 28, 2024

HUANG