1.Definition and Uses of eMMC eMMC stands for “Embedded MultiMediaCard”, which is an embedded storage solution that integrates storage chips, controllers, and interfaces. It is commonly used in embedded systems, mobile devices, and other applications requiring compact, integrated storage. Here are some key features and uses of eMMC: 1.Integration: eMMC integrates storage chips, controllers, and … Read more
With the current development of networking and intelligence, user experience is increasingly valued, making the testing of In-Vehicle Infotainment systems (IVI) a focus for various OEMs and suppliers. IVI testing is complex due to its wide-ranging requirements, diverse testing types, and the time and effort involved, gradually becoming a significant factor affecting automotive intelligence. Moreover, … Read more
Random Order Controller The Random Order Controller, as a unique logical controller, adds a layer of randomness to the execution of test scripts, making it particularly suitable for simulating uncertain access patterns in user behavior. Overview of Random Order Controller The Random Order Controller differs from standard Simple Controllers or Loop Controllers in that it … Read more
Author: David Tippett Conducting extensive performance testing on the Raspberry Pi may seem a bit dull, but it made me realize the complexity of performance testing. For example, in some of the tests below, I actually exhausted all the resources of the Raspberry Pi, leading to poor performance. Each application’s performance characteristics are different, so … Read more
1. Check the information of USB storage in the boot log # dmesg [ 5.720000] usbcore: registered new interface driver usbfs [ 5.730000] usbcore: registered new interface driver hub [ 5.740000] usbcore: registered new device driver usb [ 5.740000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.750000] ehci-platform: EHCI generic platform driver [ … Read more
Unboxing This article corresponds to the video tutorial, which can be viewed by clicking the link at the end of the article. Improvements compared to 3B include: 1. CPU frequency increased from 1.2GHz to 1.4GHz 2. Better overall heat dissipation 3. WIFI supports dual-band 2.4GHz and 5GHz, providing better connection stability 4. Supports low-power Bluetooth … Read more