Question $1$

WWrite program to achieve a running LED bar and name it EG$422$D$\_$LED.c Your program should perform the following operations.

a$.$ When program is first executed, the LED bar will brink $3$ times with all the $8$ LEDs are to be on and off alternatively.

b$.$ After a short delay, the LED bar will display a single LED running from right to left continuously.

c$.$ Modify your program such that the LED bar will pause when SWI $($P$0\mathrm{.}2)$ is pressed and held down. The LED barwill resume its pattern when SW$1$ is released.

Q$1$ must still be working after modifications.