- 17 Apr, 2025
Enabling USB for Cubieboard QEMU
Embedded systems support various serial or parallel interfaces for communication. In some of the posts in MistraSolutions blog interfaces like SPI and I2C were covered. Today, one more serial interface will be covered, which is USB (Universal Serial Bus). We will not go into details of creating a custom USB device, but into using the USB bus on the Cubieboard emulated in QEMU. USB support in QEMU ...
- 30 Mar, 2025
Making initramfs image with Yocto
Embedded systems can have different types of persistent (non-volatile) storage, like eMMC, SD card, NOR or NAND flash memory. Each storage type has advantages and disadvantages with regards to the rea ...
- 20 Oct, 2024
Custom SPI peripheral in QEMU
In previous posts the process for creating a custom memory mapped and I2C peripheral in QEMU was shown. In this post we will go through the process of creating a new SPI peripheral, and userspace supp ...
- 21 Jul, 2024
SWUpdate for Cubieboard QEMU
Software update is an important part of design of modern embedded systems. It allows faster time to market, since fixes, security or stability updates or even new features can be pushed to the devices ...
- 09 Jun, 2024
Integrating support for custom QEMU peripherals in Yocto
In the previous posts a custom memory-mapped peripheral was introduced, together with the Linux device driver for it and a userspace application which can be used to interact with it. Besides the memo ...