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wdwalker/main.c

Last active March 11, 2017 14:46
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Set FIODIR of pins to output for LED1-4
Raw
main.c
#define P18 (1 << 18)
#define P20 (1 << 20)
#define P21 (1 << 21)
#define P23 (1 << 23)
#define ALL (P18 | P20 | P21 | P23)
...
/* Set the direction as output by setting the associated bits
* to 1 (p133)
*/
LPC_GPIO1->FIODIR |= ALL;
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