sd2snes/src/led.c
2010-09-18 16:32:44 +02:00

42 lines
724 B
C

/* ___DISCLAIMER___ */
#include <arm/NXP/LPC17xx/LPC17xx.h>
#include "bits.h"
#include "timer.h"
#include "led.h"
int led_rdyledstate = 0;
void rdyled(unsigned int state) {
BITBAND(LPC_GPIO2->FIODIR, 0) = state;
led_rdyledstate = state;
}
void readled(unsigned int state) {
BITBAND(LPC_GPIO2->FIODIR, 1) = state;
}
void led_clkout32(uint32_t val) {
while(1) {
rdyled(1);
delay_ms(400);
readled((val & BV(31))>>31);
rdyled(0);
val<<=1;
delay_ms(400);
}
}
void toggle_rdy_led() {
rdyled(~led_rdyledstate);
}
void led_panic() {
while(1) {
LPC_GPIO2->FIODIR |= BV(0) | BV(1) | BV(2);
delay_ms(350);
LPC_GPIO2->FIODIR &= ~(BV(0) | BV(1) | BV(2));
delay_ms(350);
}
}