Why some functions got WARNING L15, while others not!

Hi, I have several functions called in T0 isr. The outline of call tree like this: void T0_isr() interrupt 1 { getkey(); } void getkey() { char c; c = filterGetKeyCode(); } char filterGetKeyCode...
Why some functions got WARNING L15, while others not!

Hi, I have several functions called in T0 isr. The outline of call tree like this: void T0_isr() interrupt 1 { getkey(); } void getkey() { char c; c = filterGetKeyCode(); } char filterGetKeyCode...
I've got warning in Mali OpenGL ES Emulator Requirements Check
I've got warning in Mali OpenGL ES Emulator Requirements Check
Got warning message "The GUI data seems to be corrupt" every time I start debug session

Hi there, I use MDK uVision5 for STM32. I like to view peripheral's register using System Viewer. However, I notice that once I start a new debug session, there will pop a warning message "The GUI...