When I am doing write protection and release protection, I need to reset the software. However, when using KEIL online debugging, the data in the FLASH interrupt vector table will be cleared to zero. ...
This is my first time to use ARM Cortex. I'm going to publish a software interface standard for M0/M3, which mainly includes standard startup code, kernel and on-chip peripheral .H definitions, etc. I...
I've been learning about porting recently, but I've encountered a lot of difficulties. For example, kernel porting. I can make sure that there are no problems with uboot and fs, and then compile the k...
I use HK1255 to store numbers, write 0x34, 0X34..., and then I want to display the numbers through the serial port, but the serial port receives FF 34 FF 34......, is it caused by the inconsistency be...
There is a GSM+GPS vehicle-mounted device that needs a part-time technician in Beijing. The requirement is that the product can be completed independently. Only serious applicants are welcome. Mobile:...
It only needs to collect external voltage, use internal A/D, and transfer data to the computer through Debug and USB. Is there any master who can do it, or has done it before?...