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Recommended ReadingLatest update time:2024-11-23 15:00
S3C6410 RTC driver in Linux (1)
If you are not familiar with RTC hardware, you can read the above blog, which talks about hardware-related content. 1. First, do some overall analysis. I roughly looked at the kconfig and Makefile files in the linux2.6.28driversrtc file. The Makefile file contains the following content: ifeq ($(CONFIG_RTC_DEBUG),y
[Microcontroller]
Linux serial terminal driver - s3c6410 platform (IV)
Following the tty line discipline in the previous article, this article mainly explains the most important data structure of tty, tty_driver 1、tty_driver I think the tty_driver structure is the foundation of the tty terminal device. It connects the device and the driver. Moreover, the main work of a specific tty d
[Microcontroller]
How to modify the level of Printk in arm Linux
First, printk has 8 loglevels, defined in , where the value ranges from 0 to 7, and the smaller the value, the higher the priority.
#define KERN_EMERG " 0 " System crash
#define KERN_ALERT " 1 " must be handled urgently
#define KERN_CRIT " 2 "
[Microcontroller]
Linux-2.6.32.2 kernel porting on mini2440 (V) --- Activating RTC driver
Migration environment 1. Host environment: CentOS 5.5 under VMare, 1G memory. 2. Integrated development environment: Eclipse IDE 3. Compilation environment: arm-linux-gcc v4.4.3, arm-none-linux-gnueabi-gcc v4.5.1. 4. Development board: mini2440, 2M nor flash, 128M nand flash. 5.u-boot version: u-boot-2009.08 6. Linux
[Microcontroller]
Design of wireless audio and video intercom system based on ARM Linux
With the advent of the digital and networking era, especially the development of broadband wireless networks, it has provided an opportunity for the application of large-volume transmission services such as audio and video on wireless networks. At the same time, due to the unique sensory characteristics of audio and v
[Microcontroller]
MIKROE launches new open source hardware and software solution to enable hundreds of Click boards to be hot-plugged into Linux development environments
November 16, 2023 : MikroElektronika (MIKROE), an embedded solutions company that significantly reduces development time by providing innovative hardware and software products based on mature standards, today announced the launch of an open source solution for software and hardware based on single-wire devices Program
[Embedded]
Design of instrument control system using ARM+Linux
0 Introduction
The development of embedded systems has its own special applications and specific functions, and the embedded Linux operating system is favored by the industry because of its open source, wide processor support, and easy portability. AT91RM9200 is a 32-bit RISC microprocessor based on the ARM920T
[Industrial Control]
Linux driver key driver writing (interrupt mode)
1. Check the schematic diagram to determine the IO port that needs to be controlled
Open the schematic diagram and determine that the IO ports to be controlled are GPF0, GPF2, GPG3, and GPG11. You can see that its interrupt numbers are IRQ_EINT0, IRQ_EINT2, IRQ_EINT11, and IRQ_EINT19.
2. Chec
[Microcontroller]
- Popular Resources
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Linux kernel driver notes
imx93-linux-kernel
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He Limin Column
Microcontroller and Embedded Systems Bible
Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.
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