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Location: seniordesign-firmware/master/master/lib/led.c
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | /*
* Master Firmware: Status and Error LED Handler
*
* Wireless Observational Modular Aerial Network
*
* Ethan Zonca
* Matthew Kanning
* Kyle Ripperger
* Matthew Kroening
*
*/
#include "../config.h"
#include <avr/io.h>
#include <util/delay.h>
#include <stdbool.h>
#include "led.h"
// Configure port direction and initial state of LEDs
void led_setup()
{
for(int i=0; i<NUM_LEDS; i++)
{
*(ledList[i].direction) |= (1<<ledList[i].pin); // set pin to output
*(ledList[i].port) &= ~(1<<ledList[i].pin); // set pin low
}
// Beep on startup
led_on(LED_POWER);
led_on(LED_BUZZ);
_delay_ms(1);
led_off(LED_BUZZ);
}
// Turn the specified LED on
void led_on(uint8_t led)
{
*(ledList[led].port) |= (1<<ledList[led].pin);
}
// Turn the specified LED off
void led_off(uint8_t led)
{
*(ledList[led].port) &= ~(1<<ledList[led].pin);
}
void led_toggle(uint8_t led)
{
*(ledList[led].port) ^= (1<<ledList[led].pin);
}
// Flashes error LED a set amount of times, then leaves it on
void led_errorcode(uint8_t code)
{
led_off(LED_ERROR);
_delay_ms(400);
for(int i=0; i<code; i++)
{
led_on(LED_ERROR);
_delay_ms(150);
led_off(LED_ERROR);
_delay_ms(150);
}
_delay_ms(400);
led_on(LED_ERROR);
}
void led_alert()
{
led_on(LED_ACT0);
led_on(LED_ACT1);
led_on(LED_ACT2);
led_on(LED_ACT3);
_delay_ms(10);
}
uint8_t ctr = 0;
void led_spin()
{
if(ctr == 0)
{
led_on(LED_ACT0);
led_off(LED_ACT1);
led_off(LED_ACT2);
led_off(LED_ACT3);
}
else if (ctr == 1)
{
led_on(LED_ACT1);
led_off(LED_ACT0);
led_off(LED_ACT2);
led_off(LED_ACT3);
}
else if (ctr == 2)
{
led_on(LED_ACT2);
led_off(LED_ACT1);
led_off(LED_ACT0);
led_off(LED_ACT3);
}
else if (ctr == 3)
{
led_on(LED_ACT3);
led_off(LED_ACT1);
led_off(LED_ACT2);
led_off(LED_ACT0);
}
ctr = (ctr + 1) % 4;
}
bool pulseUp = true;
void led_pulsate()
{
if(OCR0B >= 240 && pulseUp)
pulseUp = false;
else if(OCR0B <= 12 && !pulseUp);
pulseUp = true;
if(pulseUp)
OCR0B+=5;
else
OCR0B-=5;
}
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