Programming VIP

Origin of the problem In the process of writing STM32 OTA program, I was confused about the implementation of the first word storage stack top address and the second word storage interrupt vector table in FLASH. I was not sure at which stage of the program these two addresses were fixed in FLASH. After querying the data, I found that they were ...

After the beginning of summer, the temperature rises gradually. "Heat" is one of the key words of everyone in summer. How to have a cool summer?   "Turn on the air conditioner in summer!", It's cool, but it's cool! The elderly and children at home are more likely to have cold and dizziness symptoms!   "It's really e ...

Generally, the caller (client) of HIDL service is not in the same process with it. HIDL service generally provides hardware functions, and the caller (client) realizes characteristic functions based on this hardware function. Here, it is assumed that HIDL light service only provides the hardware function to control the on and off of specific LE ...

Abstract: This paper leads you to analyze the source code of the interrupt module of Hongmeng light kernel, master the concepts related to interrupt, interrupt initialization operation, interrupt creation, deletion, switch interrupt operation, etc. This article is shared from Huawei cloud community< Hongmeng light kernel M core source cod ...

effect As shown in the figure: technological process User login - > function selection - > corresponding function thinking For the use of the whole software, the acquisition of touch screen coordinate points is indispensable, so we open a separate thread to obtain touch screen coordinate points and run from beginning to end ...