Question: Write a code that performs the following using GPIO & Systick Interrupt: If Button 1 (PJ0) is pressed, LEDs turn ON/OFF in the following pattern:

Write a code that performs the following using GPIO & Systick Interrupt:

If Button 1 (PJ0) is pressed, LEDs turn ON/OFF in the following pattern: L1, L1 & L2, L1 & L2 & L3, L1 & L2 & L3& L4, L1 & L2 & L3, L1 & L2 , L1 .. If Button 2 (PJ1) is pressed, LEDs turn ON/OFF in the following pattern: L2 &L3, L1&L4, L2 &L3, L1&L4.

If both are released, all LEDs turn OFF.

Note: GPIO Interrupt is used to check which switch was pressed, and Systick to perform delays. Both interrupts are enabled as long as the code is running

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