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a5db3385ecf6e93dffcb606c0bfa2dd4688781a3
[my-code/arm.git]
/
betty
/
display.c
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/*
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* display.c - handling the display
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*
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* author: hackbard@hackdaworld.org
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*
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*/
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#include "display.h"
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/*
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* functions
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*/
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void bl_init(void) {
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PINSEL0&=~(1<<9|(1<<8));
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IODIR0|=(1<<4);
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}
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void bl_toggle(void) {
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if(IOPIN0&(1<<4))
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IOCLR0=(1<<4);
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else
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IOSET0=(1<<4);
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}
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void bl_on(void) {
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IOCLR0=(1<<4);
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}
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void bl_off(void) {
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IOSET0=(1<<4);
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}
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