I have just started to get involved in drivers recently. I want to make a USB filter driver, which needs to identify U disks and mobile hard disks and process them, but not other USB devices. What sho
With the popularity of NAND Flash memory as a large-capacity data storage medium, the NAND flash-based file system YAFFS (Yet Another Flash File System) is gradually being applied to various embedded
The current problem is that only one channel can be sampled, but not four channels. How to achieve four-channel sampling? Another problem is when to judge that ads1115 has completed the conversion and
The bit addressing area in c51 is 020H~02FH (BYTE) address, a total of 16 bytes. Bit addressing mode: direct bit address, bit variable and give address when defining (assembly or sbit), special functi