135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
#include <inttypes.h>
|
|
#include <avr/io.h>
|
|
#include <avr/interrupt.h>
|
|
#define __DELAY_BACKWARD_COMPATIBLE__
|
|
#include <util/delay.h>
|
|
#include <stdlib.h>
|
|
#include <avr/pgmspace.h>
|
|
#include "../lib/freq_table.h"
|
|
#include <lib/bughal.h>
|
|
|
|
#include <lib/timer.h>
|
|
#include <lib/apps.h>
|
|
|
|
void tetris_play(void);
|
|
|
|
static uint16_t osc0;
|
|
static uint16_t osc1;
|
|
static uint16_t sample;
|
|
static uint8_t row;
|
|
static uint16_t speedtime;
|
|
|
|
|
|
void synth_init(void){
|
|
init_buzzr();
|
|
|
|
osc0 = osc1 = sample = row = 0;
|
|
speedtime = 3000;
|
|
|
|
start_timer(tetris_play);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
void synth_deinit(void) {
|
|
stop_timer();
|
|
return;
|
|
}
|
|
|
|
enum {
|
|
SONG_LENGTH = 128,
|
|
xxx = 0,
|
|
c_0 = 0, cs0 = 1, d_0 = 2, ds0 = 3, e_0 = 4, f_0 = 5,
|
|
fs0 = 6, g_0 = 7, gs0 = 8, a_0 = 9, as0 = 10, b_0 = 11,
|
|
c_1 = 12, cs1 = 13, d_1 = 14, ds1 = 15, e_1 = 16, f_1 = 17,
|
|
fs1 = 18, g_1 = 19, gs1 = 20, a_1 = 21, as1 = 22, b_1 = 23,
|
|
c_2 = 24, cs2 = 25, d_2 = 26, ds2 = 27, e_2 = 28, f_2 = 29,
|
|
fs2 = 30, g_2 = 31, gs2 = 32, a_2 = 33, as2 = 34, b_2 = 35,
|
|
c_3 = 36, cs3 = 37, d_3 = 38, ds3 = 39, e_3 = 40, f_3 = 41,
|
|
fs3 = 42, g_3 = 43, gs3 = 44, a_3 = 45, as3 = 46, b_3 = 47,
|
|
};
|
|
|
|
const char music_data[2][SONG_LENGTH] PROGMEM = {
|
|
{
|
|
e_1, xxx, e_2, xxx, e_1, xxx, e_2, xxx,
|
|
e_1, xxx, e_2, xxx, e_1, xxx, e_2, xxx,
|
|
a_0, xxx, a_1, xxx, a_0, xxx, a_1, xxx,
|
|
a_0, xxx, a_1, xxx, a_0, xxx, a_1, xxx,
|
|
gs0, xxx, gs1, xxx, gs0, xxx, gs1, xxx,
|
|
gs0, xxx, gs1, xxx, gs0, xxx, gs1, xxx,
|
|
a_0, xxx, a_1, xxx, a_0, xxx, a_1, xxx,
|
|
a_0, xxx, a_0, xxx, b_0, xxx, c_1, xxx,
|
|
d_1, xxx, d_2, xxx, d_1, xxx, d_2, xxx,
|
|
d_1, xxx, d_2, xxx, d_1, xxx, d_2, xxx,
|
|
c_1, xxx, c_2, xxx, c_1, xxx, c_2, xxx,
|
|
c_1, xxx, c_2, xxx, c_1, xxx, c_2, xxx,
|
|
b_0, xxx, b_1, xxx, b_0, xxx, b_1, xxx,
|
|
b_0, xxx, b_1, xxx, b_0, xxx, b_1, xxx,
|
|
a_0, xxx, a_1, xxx, a_0, xxx, a_1, xxx,
|
|
a_0, xxx, xxx, xxx, xxx, xxx, xxx, xxx,
|
|
}, {
|
|
e_3, e_3, e_3, e_3, b_2, b_2, c_3, c_3,
|
|
d_3, d_3, e_3, d_3, c_3, c_3, b_2, b_2,
|
|
a_2, a_2, a_2, a_2, a_2, a_2, c_3, c_3,
|
|
e_3, e_3, e_3, e_3, d_3, d_3, c_3, c_3,
|
|
b_2, b_2, b_2, b_2, b_2, b_2, c_3, c_3,
|
|
d_3, d_3, d_3, d_3, e_3, e_3, e_3, e_3,
|
|
c_3, c_3, c_3, c_3, a_2, a_2, a_2, a_2,
|
|
a_2, a_2, a_2, a_2, a_2, a_2, a_2, a_2,
|
|
xxx, xxx, d_3, d_3, d_3, d_3, f_3, f_3,
|
|
a_3, a_3, a_3, a_3, g_3, g_3, f_3, f_3,
|
|
e_3, e_3, e_3, e_3, e_3, e_3, c_3, c_3,
|
|
e_3, e_3, e_3, e_3, d_3, d_3, c_3, c_3,
|
|
b_2, b_2, b_2, b_2, b_2, b_2, c_3, c_3,
|
|
d_3, d_3, d_3, d_3, e_3, e_3, e_3, e_3,
|
|
c_3, c_3, c_3, c_3, a_2, a_2, a_2, a_2,
|
|
a_2, a_2, a_2, a_2, xxx, xxx, xxx, xxx,
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
void tetris_play(void) {
|
|
osc0 += pgm_read_word(&freq_table[ pgm_read_byte(&music_data[0][row])]);
|
|
osc1 += pgm_read_word(&freq_table[ pgm_read_byte(&music_data[1][row])]);
|
|
if (++sample == speedtime ) {
|
|
sample = 0;
|
|
if (speedtime > 600) speedtime -= 4;
|
|
if (++row == SONG_LENGTH) {
|
|
row = 0;
|
|
if (speedtime <= 600) speedtime = 3000;
|
|
}
|
|
led_on(row&4 ? LED_R : LED_L);
|
|
led_off(row&4 ? LED_L : LED_R);
|
|
}
|
|
if (osc0 >= 0x8000) PORTB |= (1 << PORTB2);
|
|
else PORTB &= ~(1<< PORTB2);
|
|
if (osc1 >= 0xc000) PORTC |= (1 << PORTC5);
|
|
else PORTC &= ~(1<< PORTC5);
|
|
}
|
|
|
|
/**
|
|
* do crazy synthesizer mode
|
|
*
|
|
*/
|
|
static void crazy_synth(void)
|
|
{
|
|
/* initialisation required */
|
|
if (mode_uninitialized) {
|
|
mode_uninitialized = false;
|
|
synth_init();
|
|
}
|
|
|
|
/*deinialisation required */
|
|
if (mode_last_tick) {
|
|
synth_deinit();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
REGISTER(crazy_synth)
|
|
|