I used STM32 to write a matrix keyboard program. It was originally a query method, but now it has been changed to a timer method.Schematic diagram:void KEY_Init(void){GPIO_InitTypeDef GPIO_InitStructu
1. Interrupt nesting, the control bit of the priority430 general interrupt is the GIE bit in the status register (this bit is in the SR register). When this bit is in the reset state, all maskable int
[size=4]1. Not familiar with the internal structure of FPGA and the basic principles of programmable logic devices. Why is FPGA programmable? I am afraid that many novices do not know, and they do not
Transmit power is the main technical indicator of radio transmission equipment and one of the technical indicators that radio management departments need to test. This article mainly introduces severa
While I was working hard on ucLinux, I also became interested in embedded real-time operating systems. The first real-time operating system I came into contact with was uC/OSⅡ. At that time, I started