Embedded Systems step 55

// #include for LED driver:
#include <drv_led.h>

// #include for SwPlatform device names:
#include <devices.h>

// #include SwPlatform-generated LED hardware configuration info:
#include "led_info.h"

// led_t pointer for attaching to driver instance:
led_t * ptrLEDs;
// Another useful variable:

unsigned char brightness = 0;

void delay(void)
{

// time delay created by performing assembly NOP (no operation)

for (int i = 0; i < 0xffff; i++)
    for (int j=0; j < 0x0020; j++)
        __asm("NOP");

}

void main(void)
{

ptrLEDs = led_open(DRV_LED_1); // initialize drive

while (1)
{
led_set_intensity(ptrLEDs, LEDS_LED0, 0x00); // set LED0 to 00%
led_set_intensity(ptrLEDs, LEDS_LED7, 0x80); // set LED7 to 50%

delay();

led_set_intensity(ptrLEDs, LEDS_LED7, 0x00); // set LED7 to 00%
led_set_intensity(ptrLEDs, LEDS_LED6, 0x80); // set LED6 to 50%

delay();

led_set_intensity(ptrLEDs, LEDS_LED6, 0x00); // set LED6 to 00%
led_set_intensity(ptrLEDs, LEDS_LED5, 0x80); // set LED5 to 50%

delay();

led_set_intensity(ptrLEDs, LEDS_LED5, 0x00); // set LED5 to 00%
led_set_intensity(ptrLEDs, LEDS_LED4, 0x80); // set LED4 to 50%

delay();

led_set_intensity(ptrLEDs, LEDS_LED4, 0x00); // set LED4 to 00%
led_set_intensity(ptrLEDs, LEDS_LED3, 0x80); // set LED3 to 50%

delay();


led_set_intensity(ptrLEDs, LEDS_LED3, 0x00); // set LED3 to 00%
led_set_intensity(ptrLEDs, LEDS_LED2, 0x80); // set LED2 to 50%

delay();


led_set_intensity(ptrLEDs, LEDS_LED2, 0x00); // set LED2 to 00%
led_set_intensity(ptrLEDs, LEDS_LED1, 0x80); // set LED1 to 50%

delay();


led_set_intensity(ptrLEDs, LEDS_LED1, 0x00); // set LED1 to 00%
led_set_intensity(ptrLEDs, LEDS_LED0, 0x80); // set LED0 to 50%

delay();

}

}