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The Mistra Solutions site contains different tutorials and blog posts related to various embedded software topics: QEMU, Embedded Linux, Yocto, U-Boot, RTOS, GUI, etc.
 
Latest posts:
Supporting multiple build configurations with Yocto
Using Yocto multiconfig to support building multiple dfferent configurations from the same build directory at the same time.

Supporting multiple build configurations with Yocto

When adding new MACHINE and DISTRO configurations to Yocto, handling build setup for all of them can become complicated. The increased complexity is especially obvious when new DISTRO configurations are introduced, since different build directories are needed in order to avoid polluting each other's environment (like we had in the previous post on QEMU NOR SPI). Having separate build directories a ...

QEMU SPI NOR flash with SWUpdate recovery
Post about adding SPI NOR flash to QEMU Cubieboard, storing recovery initramfs image in it and performing SWUpdate update from a USB drive.

QEMU SPI NOR flash with SWUpdate recovery

In the QEMU Custom SPI peripheral post the support for SPI controller for Cubieboard was introduced. A custom SPI peripheral was developed to demonstrate basic functionality. QEMU comes with out-of-the-box support for several different SPI peripherals, one of which is the SPI NOR flash memory, modeled after M25P80 chip, but supports different variants, from various manufacturers and memory sizes. ...

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