Design on Linux Platform Driver for Embedded Systems

Mei Rifei; Xiao Laisheng

doi:doi:10.11648/j.ajesa.20220901.11

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Design on Linux Platform Driver for Embedded Systems

Mei Rifei, Xiao Laisheng

Published in American Journal of Embedded Systems and Applications (Volume 9, Issue 1)

Received: 11 February 2022 Accepted: 4 March 2022 Published: 12 March 2022

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Abstract

In the development of embedded systems, driver design is one of its core technologies. In the driver design, Linux driver occupies an important position. For the design of Linux driver, platform model is an important driver design method which is introduced after Linux 2.6. This paper first introduces the driving principle and architecture of Linux platform model, and describes the device, driver and device registration and unloading of the platform model in detail. Then, the driver code of watchdog platform in Linux kernel is analyzed. Finally, taking the embedded development environment tiny4412 as an example, a driver design example of Linux platform is given. The platform driver architecture has the characteristics of reusing framework code, strong independence of device resources and drivers, simple code, unified kernel interface, easy maintenance and expansion. In the development of specific drivers, we only need to focus on keeping the underlying device operation function set corresponding one by one with the kernel interface provided by the driver structure, and ensuring device.name and driver.name consistent, and making the platform device registered in the kernel space before the platform driver, which can make the driver run well and stably, greatly reduce the work intensity and shorten the development time of new products. Compared with the traditional device driver mechanism, the Linux platform driver mechanism registers the resources of the device into the kernel which is managed by the kernel, and driver uses these resources by applying standard interface provided by platform_device, which improves the independence of driver and resource management, and has better portability and security. The developing test shows that the driver based on this architecture has good portability, maintainability and scalability.

Published in	American Journal of Embedded Systems and Applications (Volume 9, Issue 1)
DOI	10.11648/j.ajesa.20220901.11
Page(s)	1-5
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Linux Platform Driver, Embedded System, Ttiny4412

References

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APA Style

Mei Rifei, Xiao Laisheng. (2022). Design on Linux Platform Driver for Embedded Systems. American Journal of Embedded Systems and Applications, 9(1), 1-5. https://doi.org/10.11648/j.ajesa.20220901.11

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ACS Style

Mei Rifei; Xiao Laisheng. Design on Linux Platform Driver for Embedded Systems. Am. J. Embed. Syst. Appl. 2022, 9(1), 1-5. doi: 10.11648/j.ajesa.20220901.11

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AMA Style

Mei Rifei, Xiao Laisheng. Design on Linux Platform Driver for Embedded Systems. Am J Embed Syst Appl. 2022;9(1):1-5. doi: 10.11648/j.ajesa.20220901.11

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@article{10.11648/j.ajesa.20220901.11,
  author = {Mei Rifei and Xiao Laisheng},
  title = {Design on Linux Platform Driver for Embedded Systems},
  journal = {American Journal of Embedded Systems and Applications},
  volume = {9},
  number = {1},
  pages = {1-5},
  doi = {10.11648/j.ajesa.20220901.11},
  url = {https://doi.org/10.11648/j.ajesa.20220901.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajesa.20220901.11},
  abstract = {In the development of embedded systems, driver design is one of its core technologies. In the driver design, Linux driver occupies an important position. For the design of Linux driver, platform model is an important driver design method which is introduced after Linux 2.6. This paper first introduces the driving principle and architecture of Linux platform model, and describes the device, driver and device registration and unloading of the platform model in detail. Then, the driver code of watchdog platform in Linux kernel is analyzed. Finally, taking the embedded development environment tiny4412 as an example, a driver design example of Linux platform is given. The platform driver architecture has the characteristics of reusing framework code, strong independence of device resources and drivers, simple code, unified kernel interface, easy maintenance and expansion. In the development of specific drivers, we only need to focus on keeping the underlying device operation function set corresponding one by one with the kernel interface provided by the driver structure, and ensuring device.name and driver.name consistent, and making the platform device registered in the kernel space before the platform driver, which can make the driver run well and stably, greatly reduce the work intensity and shorten the development time of new products. Compared with the traditional device driver mechanism, the Linux platform driver mechanism registers the resources of the device into the kernel which is managed by the kernel, and driver uses these resources by applying standard interface provided by platform_device, which improves the independence of driver and resource management, and has better portability and security. The developing test shows that the driver based on this architecture has good portability, maintainability and scalability.},
 year = {2022}
}

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TY  - JOUR
T1  - Design on Linux Platform Driver for Embedded Systems
AU  - Mei Rifei
AU  - Xiao Laisheng
Y1  - 2022/03/12
PY  - 2022
N1  - https://doi.org/10.11648/j.ajesa.20220901.11
DO  - 10.11648/j.ajesa.20220901.11
T2  - American Journal of Embedded Systems and Applications
JF  - American Journal of Embedded Systems and Applications
JO  - American Journal of Embedded Systems and Applications
SP  - 1
EP  - 5
PB  - Science Publishing Group
SN  - 2376-6085
UR  - https://doi.org/10.11648/j.ajesa.20220901.11
AB  - In the development of embedded systems, driver design is one of its core technologies. In the driver design, Linux driver occupies an important position. For the design of Linux driver, platform model is an important driver design method which is introduced after Linux 2.6. This paper first introduces the driving principle and architecture of Linux platform model, and describes the device, driver and device registration and unloading of the platform model in detail. Then, the driver code of watchdog platform in Linux kernel is analyzed. Finally, taking the embedded development environment tiny4412 as an example, a driver design example of Linux platform is given. The platform driver architecture has the characteristics of reusing framework code, strong independence of device resources and drivers, simple code, unified kernel interface, easy maintenance and expansion. In the development of specific drivers, we only need to focus on keeping the underlying device operation function set corresponding one by one with the kernel interface provided by the driver structure, and ensuring device.name and driver.name consistent, and making the platform device registered in the kernel space before the platform driver, which can make the driver run well and stably, greatly reduce the work intensity and shorten the development time of new products. Compared with the traditional device driver mechanism, the Linux platform driver mechanism registers the resources of the device into the kernel which is managed by the kernel, and driver uses these resources by applying standard interface provided by platform_device, which improves the independence of driver and resource management, and has better portability and security. The developing test shows that the driver based on this architecture has good portability, maintainability and scalability.
VL  - 9
IS  - 1
ER  -

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Author Information

Mei Rifei

Shenzhen Edge Medical Technology Co., Ltd. Shenzhen, China
Xiao Laisheng

School of Mathematics and Computer, Guangdong Ocean University, Zhanjiang, China

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Plain Text BibTeX RIS

APA Style

Mei Rifei, Xiao Laisheng. (2022). Design on Linux Platform Driver for Embedded Systems. American Journal of Embedded Systems and Applications, 9(1), 1-5. https://doi.org/10.11648/j.ajesa.20220901.11

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ACS Style

Mei Rifei; Xiao Laisheng. Design on Linux Platform Driver for Embedded Systems. Am. J. Embed. Syst. Appl. 2022, 9(1), 1-5. doi: 10.11648/j.ajesa.20220901.11

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AMA Style

Mei Rifei, Xiao Laisheng. Design on Linux Platform Driver for Embedded Systems. Am J Embed Syst Appl. 2022;9(1):1-5. doi: 10.11648/j.ajesa.20220901.11

Copy | Download

@article{10.11648/j.ajesa.20220901.11,
  author = {Mei Rifei and Xiao Laisheng},
  title = {Design on Linux Platform Driver for Embedded Systems},
  journal = {American Journal of Embedded Systems and Applications},
  volume = {9},
  number = {1},
  pages = {1-5},
  doi = {10.11648/j.ajesa.20220901.11},
  url = {https://doi.org/10.11648/j.ajesa.20220901.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajesa.20220901.11},
  abstract = {In the development of embedded systems, driver design is one of its core technologies. In the driver design, Linux driver occupies an important position. For the design of Linux driver, platform model is an important driver design method which is introduced after Linux 2.6. This paper first introduces the driving principle and architecture of Linux platform model, and describes the device, driver and device registration and unloading of the platform model in detail. Then, the driver code of watchdog platform in Linux kernel is analyzed. Finally, taking the embedded development environment tiny4412 as an example, a driver design example of Linux platform is given. The platform driver architecture has the characteristics of reusing framework code, strong independence of device resources and drivers, simple code, unified kernel interface, easy maintenance and expansion. In the development of specific drivers, we only need to focus on keeping the underlying device operation function set corresponding one by one with the kernel interface provided by the driver structure, and ensuring device.name and driver.name consistent, and making the platform device registered in the kernel space before the platform driver, which can make the driver run well and stably, greatly reduce the work intensity and shorten the development time of new products. Compared with the traditional device driver mechanism, the Linux platform driver mechanism registers the resources of the device into the kernel which is managed by the kernel, and driver uses these resources by applying standard interface provided by platform_device, which improves the independence of driver and resource management, and has better portability and security. The developing test shows that the driver based on this architecture has good portability, maintainability and scalability.},
 year = {2022}
}

Copy | Download

TY  - JOUR
T1  - Design on Linux Platform Driver for Embedded Systems
AU  - Mei Rifei
AU  - Xiao Laisheng
Y1  - 2022/03/12
PY  - 2022
N1  - https://doi.org/10.11648/j.ajesa.20220901.11
DO  - 10.11648/j.ajesa.20220901.11
T2  - American Journal of Embedded Systems and Applications
JF  - American Journal of Embedded Systems and Applications
JO  - American Journal of Embedded Systems and Applications
SP  - 1
EP  - 5
PB  - Science Publishing Group
SN  - 2376-6085
UR  - https://doi.org/10.11648/j.ajesa.20220901.11
AB  - In the development of embedded systems, driver design is one of its core technologies. In the driver design, Linux driver occupies an important position. For the design of Linux driver, platform model is an important driver design method which is introduced after Linux 2.6. This paper first introduces the driving principle and architecture of Linux platform model, and describes the device, driver and device registration and unloading of the platform model in detail. Then, the driver code of watchdog platform in Linux kernel is analyzed. Finally, taking the embedded development environment tiny4412 as an example, a driver design example of Linux platform is given. The platform driver architecture has the characteristics of reusing framework code, strong independence of device resources and drivers, simple code, unified kernel interface, easy maintenance and expansion. In the development of specific drivers, we only need to focus on keeping the underlying device operation function set corresponding one by one with the kernel interface provided by the driver structure, and ensuring device.name and driver.name consistent, and making the platform device registered in the kernel space before the platform driver, which can make the driver run well and stably, greatly reduce the work intensity and shorten the development time of new products. Compared with the traditional device driver mechanism, the Linux platform driver mechanism registers the resources of the device into the kernel which is managed by the kernel, and driver uses these resources by applying standard interface provided by platform_device, which improves the independence of driver and resource management, and has better portability and security. The developing test shows that the driver based on this architecture has good portability, maintainability and scalability.
VL  - 9
IS  - 1
ER  -

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