use rtx traffic example of stm32f103. I get rid of parts of lcd, only keep uart. when I press space button , the terminal show many wrong characters. when I press ESC continuously..(keep press...) after 30 ~ 60 seconds, the system crash....
keil 4.12 arm. rl-arm 4.12 exmple: rtx traffic (serial use event driver)
Note: don't select the "microlib".