30 lines
514 B
C
30 lines
514 B
C
#include <LPC17xx.h>
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int main(){
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unsigned long x, i;
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// from P1.24 -> 31
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LPC_PINCON->PINSEL3 &= 0x0000FFFF; // values
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LPC_GPIO1->FIODIR = 0xFF000000;
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x = 0x01000000; // new variable
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while(1){
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x = 0x01000000;
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// LOOP to fill 24->31 incrementally
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for(i=0;i<8;i++){
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LPC_GPIO1->FIOSET=x;
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x = x<<1;
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}
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// for(i=0; i<1000; i++); // delay
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// LOOP to empty 24->31 incrementally.
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x = 0x01000000;
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for(i=0;i<8;i++){
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LPC_GPIO1->FIOCLR=x;
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x = x<<1;
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}
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// for(i=0; i<1000; i++); //delay
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}
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}
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