90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
#include <inttypes.h>
|
|
#include <stdlib.h>
|
|
#include <avr/io.h>
|
|
|
|
#include "../lib/apps.h"
|
|
#include "../lib/bughal.h"
|
|
#include "../lib/util.h"
|
|
#include "../lib/music.h"
|
|
#include "../lib/usart.h"
|
|
|
|
inline uint16_t biased_random(uint16_t value) {
|
|
return value / 8 * (rand() & 7);
|
|
}
|
|
|
|
static void led_sound(void)
|
|
{
|
|
static bool discharge;
|
|
static timer_t mytimer;
|
|
uint16_t led1;
|
|
|
|
if(mode_last_tick) {
|
|
led_off(LED_L | LED_R);
|
|
set_motor(MOTOR_OFF);
|
|
music_setNote(NOTE_PAUSE, 0);
|
|
return;
|
|
}
|
|
|
|
if (mode_uninitialized) {
|
|
mode_uninitialized = false;
|
|
set_motor(MOTOR_OFF);
|
|
ADMUX = (1 << REFS0); // use VCC reference
|
|
ADCSRA = (1 << ADPS1) | (1 << ADPS0); // prescaler F_CPU/8
|
|
ADCSRA |= (1 << ADEN); // ADC enable - turn it on
|
|
|
|
timer_set(&mytimer, 10);
|
|
discharge = true;
|
|
}
|
|
if (timer_expired(&mytimer)) {
|
|
if (discharge) {
|
|
led_off(LED_R | LED_L);
|
|
|
|
DDRC |= (1 << PORTC0) | (1 << PORTC1); //set LED Ports to output:
|
|
/*discharge*/
|
|
PORTC = (PORTC & 0b11110000);
|
|
/*set C0 and C2 to input (disable pullups)*/
|
|
DDRC &= ~(1 << PORTC0); //set Led Ports to input
|
|
/*pull ups off*/
|
|
PORTC &= ~(1 << PORTC0);
|
|
discharge = false;
|
|
|
|
timer_set(&mytimer, 1);
|
|
} else {
|
|
/*single measurement*/
|
|
ADMUX = (ADMUX & ~(0x1F)) | 0; // select channel 0
|
|
ADCSRA |= (1 << ADSC); // start single conversion
|
|
while (ADCSRA & (1 << ADSC)) ; // wait for conversion to end
|
|
led1 = ADCW; // read result
|
|
|
|
DDRC |= (1 << PORTC0) | (1 << PORTC1); //set LED Ports to output:
|
|
|
|
set_motor(biased_random(led1) > 0x50 ? MOTOR_ON : MOTOR_OFF);
|
|
|
|
if(biased_random(led1) > 0x20) {
|
|
led_on(LED_R);
|
|
} else {
|
|
led_off(LED_R);
|
|
}
|
|
|
|
if(biased_random(led1) > 0x20) {
|
|
led_on(LED_L);
|
|
} else {
|
|
led_off(LED_L);
|
|
}
|
|
|
|
if(biased_random(led1) > 0x90) {
|
|
uint16_t tone = (biased_random(led1) * 2) + 500;
|
|
music_setNote(tone, 0);
|
|
} else {
|
|
music_setNote(NOTE_PAUSE, 0);
|
|
}
|
|
|
|
discharge = true;
|
|
|
|
timer_set(&mytimer, 20);
|
|
}
|
|
} //end if timer_expired
|
|
} //end mode5
|
|
|
|
REGISTER(led_sound)
|