?? blinky.c
字號:
/* BLINKY.C - LED Flasher */
#include <LPC210x.H> /* LPC210x definitions */
void wait (void) { /* wait function */
; /* only to delay for LED flashes */
}
int main (void) {
unsigned int i; /* Delay var */
unsigned int j; /* LED var */
IODIR = 0xFF; /* P0.0..7 defined as Outputs */
while (1) { /* Loop forever */
for (j = 0x01; j < 0x80; j <<= 1) { /* Blink LED 0, 1, 2, 3, 4, 5, 6 */
IOSET = j; /* Turn on LED */
for (i = 0; i < 10000; i++) { /* Delay for 10000 Counts */
wait (); /* call wait function */
}
IOCLR = j; /* Turn off LED */
}
for (j = 0x80; j > 0x01; j >>=1) { /* Blink LED 7, 6, 5, 4, 3, 2, 1 */
IOSET = j; /* Turn on LED */
for (i = 0; i < 10000; i++) { /* Delay for 10000 Counts */
wait (); /* call wait function */
}
IOCLR = j; /* Turn off LED */
}
}
}
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