Common Commands in VxWorks: i displays basic information about tasks; when the parameter is 0, it shows all tasks. ti displays the TCB information of tasks. d shows the memory content at the target address. devs lists all devices on the target system. version displays the VxWorks version number. memShow shows information about the total … Read more
The open-source Android 7.0 offers endless possibilities for enthusiasts. Previously, Peter Yoon successfully ported Android TV to the Raspberry Pi 3, and now he has managed to run Android 7.0 on it. As this is only the first version of the port, we can see from the video that the operation is still not stable, … Read more
Programmers’ Growth Journey Internet/Programmers/Technology/Resource Sharing Follow Reading this article will take approximately 5 minutes. Source: github.com/feigeswjtu/java-basics/edit/master/sourceCode Background While reading the Alibaba Java Development Manual, I came across the usage specifications for the hashCode() and equals() methods. Whenever equals is overridden, hashCode must also be overridden. Since Set stores unique objects and uses hashCode and equals … Read more
DC-DC Remote Feedback Design for RK3588 Core Power Supply The 100ohm feedback resistor needs to be placed close to the output capacitor. One end of the resistor connects to the DC-DC output capacitor, while the other end connects to the VOUT feedback pin of the PMIC, and simultaneously to the farthest load of the same … 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
1. Hardware Background The hardware solution is as follows, with the external 485 serial port communicating with the panel MCU, and the 485 serial port serving as the transmission channel for firmware upgrades. The MCU model is the Aterly AT32F415RCT6, with a ROM size of 256KB, and no external flash, so backup areas are not … Read more
Click the blue text to follow us This article is part of the “Hansi Bian” forum series, authored by riceball. Thanks to him! Continuing from the last issue: Avoiding Pitfalls in HA Smart Hardware Procurement (Part Three) Bluetooth Edition (Four) HA Box or PC Comparison between the two: PC performance far exceeds that of the … Read more
Scan the QR code to purchase immediately Or search for WeChat ID: komgtiao Join the WeChat group and click the bottom to read the original text Enter the air conditioning repair community group Recommended popular articles: 1、Click to get repair manuals for Gree, Daikin, Midea, Mitsubishi, Haier, Hitachi, etc. 2、Skip the coupon platform, find Taobao … Read more
Machine Heart Reports Participants: Zhang Qian, Egg Sauce, Xiao Zhou About two weeks ago, the Raspberry Pi 4 announced its latest upgrade: a new 8GB memory version, priced at $75. Is this new Raspberry Pi really worth it? To answer this question, a YouTuber named Jeff Geerling had a bold idea: on a workday, unplug … Read more
Click on the card below to follow Arm Technology Academy This article is authorized and reprinted from the WeChat public account Arm Selected. This article mainly shares the architecture interpretation of A53 cache. 1 A53 uses the classic big-LITTLE architecture Below is an early classic big-LITTLE architecture diagram. Figure 1 Figure 2 2 A53’s cache … Read more