Thirty years ago, on April 26, 1985, Acorn Computer Company launched its first processor, the Acorn RISC Machine, later known as the ARM processor. ARM processors are now used in 95% of smartphones, and ARM chip shipments reached 12 billion last year. The little chip changed the whole world.
I use keil5.20 to debug Freescale K22 chip and ulink2 as emulator (I have tried both genuine and pirated versions). When debugging, I cannot enter the main function, as shown in the figure below. How
[size=4] The main reason that affects the application of RTOS on single-chip microcomputers is that running RTOS on single-chip microcomputers requires certain system resources, such as system clock,