ARM MCU-Microcontroller-EEWORLD

Learn ARM development(16)

There are many things to learn about ARM, and interrupts are definitely something that needs to be learned. Since the CPU introduced interrupts, it has truly entered the multi-tasking system and greatly improved work efficiency. ...

Keywords： ARM development interrupt query mode

Publish Time：2024-11-14

Learn ARM development(17)

Because all embedded systems use interrupts, how does my S3C44B0 interrupt the process? Then I need to understand the whole process. To understand it in depth, the best way is to write a program ...

Keywords： ARM development interrupt S3C44B0

Publish Time：2024-11-14

Learn ARM development(18)

Last time, we have learned about the interrupt handling process of ARM and how to set the interrupt function. So, does it work like this? The answer is no. Because S3C44B0 has several registers that control ...

Keywords： ARM development interrupt processing

Publish Time：2024-11-14

Embedded system debugging simulation tool

After the embedded hardware system is designed, it needs to be debugged. Whether it is hardware debugging, software debugging or program solidification, debugging simulation tools are needed. ...

Keywords： Embedded system debugging simulation tools

Publish Time：2024-11-14

A small question that has been bothering me recently has finally been solved~~

Recently, I have not been able to understand the concept of drivers very well. Sometimes I can get a feel for it by combining some USB examples written by others, but because the ARM system does not directly explain the pins like the microcontroller ...

Keywords： s3c44b0 external rom start bootloader

Publish Time：2024-11-14

Learn ARM development (1)

Before doing anything, you must have a goal in mind. Things without a goal cannot be done well or accomplished. My goal is to learn ARM development, of course, in-depth learning. The goals are as follows: 1. Learn ARM ...

Keywords： ARM development development environment instructions

Publish Time：2024-11-14

Learn ARM development (2)

It was Sunday, and I was just resting at home. It was a good time to learn ARM. I got up very early in the morning because I was always anxious about how to get this ARM development environment right. I was so sleepy that I couldn't sleep. ...

Keywords： ARM development WINDOWS LINUX shared files

Publish Time：2024-11-14

Learn ARM development (4)

I have already learned the general structure of the CPU. Of course, I have already learned the structure of 80X86, so I can imagine what a RISC computer is like. ...

Keywords： ARM development assembly C programming

Publish Time：2024-11-14

Learn ARM development (6)

Last time, I talked about learning ARM assembly. OK, let's start now. My bootloader is modified from UBOOT1 1 2. You can download the source code of UBOOT. Maybe you will ask where it is. ...

Keywords： ARM development UBOOT source code

Publish Time：2024-11-14

Learn ARM development(7)

Last time, we learned the first section of code. This time, we will learn the second section of code. The second section of code is mainly used to save data. ********************************************* ...

Keywords： ARM development stack save data

Publish Time：2024-11-14

Learn ARM development(8)

Last time I looked at the data area, this time I want to see what is running when I jump from the boot to here. ** The reset code that actually runs. The code that runs from the beginning jumps here to run. * ...

Keywords： ARM development data area reset code

Publish Time：2024-11-14

Learn ARM development(9)

Last time I finished reading the boot assembly, I have prepared the C operating environment. Now I will start to learn the C source code, from the start S file to the jump file lib_arm board c to run the boot program from the assembly st ...

Keywords： ARM development assembly operating environment

Publish Time：2024-11-14

Learn ARM development (10)

* Call all initialization functions in a loop* for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { ...

Keywords： ARM development initialization function loop call

Publish Time：2024-11-14

Learn ARM development(11)

Because the compiled UBOOT written to FLASH could not run several times before. So what should I do? I thought about it for a long time and checked the source code, but still couldn't find the problem. Maybe the source code of the UBOOT ...

Keywords： ARM development compilation UBOOT

Publish Time：2024-11-14

Learn ARM development(5)

Last time I talked about learning UBOOT code, but before reading it, we must first know the programming resources of the target machine. The resources here refer to the resources provided by S3C44B0 to run the program. ...

Keywords： ARM development UBOOT registers

Publish Time：2024-11-14

Transplantation of Linux frame buffer device driver framework and graphical interface GUI

The hardware platform S3C2410X is Samsung's S3C2410X chip based on ARM920T. S3C2410X integrates an LCD controller (supports STN and TFT LCD screens with touch screen), SDRAM ...

Keywords： Linux frame buffer device driver framework graphical interface GUI

Publish Time：2024-11-11

My MiniGUI transplant journey

I have been porting minigui in recent days. I have never used the minigui interface before. I want to see what the effect is and learn it by the way. After all, it is made in China. It took me three days and finally ...

Keywords： MiniGUI transplant SBC2410

Publish Time：2024-11-11

Embedded Web Server on S3C4510 - Transplantation of boa under uclinux

Under uClinux, there are three main web servers: httpd, thttpd and Boa. Httpd is the simplest web server with the weakest functions. It does not support authentication or CGI. ...

Keywords： S3C4510 Web server uclinux transplant

Publish Time：2024-11-11

6410 sound card wm9713 driver analysis

1 Comparison of I2S, AC97, PCM of S3C6410 and WM9713: 1 I2S, AC97, PCM are different, each has its own, and the timing of the three is different. If both parties want to communicate, they must have the same timing, or both must be I ...

Keywords： 6410 sound card wm9713

Publish Time：2024-11-11

What are the classifications of a5 a8 a9, v6 v7, arm7 arm9 arm11 in arm processors?

ARM processors have been developed for so many years, and there are many architectures and many different core architectures. There are too many cores, such as armv1 v2 v3 v4 v5 v6 v7. For example, armv1 corresponds to arm1, and armv5 corresponds to ...

Keywords： arm processor classification

Publish Time：2024-11-11