Question

Design a circuit using 10 LEDs with ARM ASSEMBLY CODE that works with Rasberry Pi. The LEDs blink in any pattern

Explain the code.

Answer 1

#include<lpc214x.h>
	void delay (int);
	void delay (int i)
	{
	T0TCR=0x02;
	T0TCR=0x01;
	while (T0TC < i);
	T0TCR=0x00;
	}
	int main()
	{
	PINSEL2=0x00;
	IODIR1=0xFFFFFFFF;
	PLL0CON = 0x01;
	PLL0CFG = 0x24;
	PLL0FEED = 0xAA;
	PLL0FEED = 0x55;
	while(!(PLL0STAT & 0x00000400));
	PLL0CON = 0x03;
	PLL0FEED = 0xAA;
	PLL0FEED = 0x55;
	VPBDIV = 0x01;
	T0CTCR=0x00;
	T0PR=59999;
	T0TCR=0x02;
	while(1)
	{
	IOSET1=0xFFFFFFFF;
	delay(1000);
	IOCLR1=0xFFFFFFFF;
	delay(1000);
	}
	}