They are not two questions, both are related to each other. 4. Program 3: Rewrit

Question

They are not two questions, both are related to each other. 4. Program 3: Rewrite Example 3.5, but instead of displaying a value on the 7-segment display, your program should turn on the four LEDs. For example, if i=0, case 0 should be true and LED1 should turn on, if i = 1, case 1 should be true and LED2 should turn on, and so on for all four LEDs. You might want to review Example 3.1 on how to use the LEDs on the mbed. 5. Program 4: Rewrite your third program, but use an if/ else ifl else structure as seen on pages 348 and 349

Explanation / Answer

#include"mbed.h"

DigitalOut led1(LED1);

DigitalOut led2(LED2);

DigitalOut led3(LED3);

DigitalOut led4(LED4);

int main()

{

while(1)

{

for(inti=0;i<4;i++)

{

switch (i)

{

case 0:led1=1;break;//turn on led1

case 1:led2=1;break;//turn on led2

case 2:led3=1;break;//turn on led3

case 3:led4=1;break;//turn on led4

}

wait(0,2);

}

}

}

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