/***********************************************************************************/
/*                                                                           									*/
/*  BLINKY.C:  LED Flasher                                                    							*/
/*                                                                            									*/
/***********************************************************************************/

#include "LPC21xx.H"                       					/* LPC21xx definitions 			*/

extern void init_serial (void);			/* Initialize Serial Interface     		*/
extern int  putchar (int ch);				/* Write character to Serial Port  	*/
extern int  getchar (void);				/* Read character from Serial Port 	*/



void putstr (char *p) {                    /* Write string 					*/
    while (*p) {
        putchar (*p++);
    }
}


void delay (void) {                        /* Delay function 				*/
    volatile int i = 0;
	volatile int j = 0;
	
	for(i = 0; i < 10; ++i)
		for(j = 0; j < 100; ++j)
		;
}


int main (void) {
    unsigned int n;

    IO1DIR = 0x00FF0000;                     	/* P1.16..23 defined as Outputs  		*/
    init_serial();						/* Initialize Serial Interface   		*/

	putstr("TKStudio ARM-GCC Blinky Test!!!\n");

    while (1) {								/* Loop forever 					*/
        for (n = 0x00010000; n <= 0x00800000; n <<= 1) {
            /* Blink LED 0, 1, 2, 3, 4, 5, 6, 7 */
            IO1SET = n;						/* Turn on LED 					*/
            delay();						/* Delay 						*/
            IO1CLR = 0x00FF0000;				/* Turn off LEDs 				*/
        }
    }
}