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Merge branch 'master' of github.com:c3d2/pentabug

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This commit is contained in:
john stone 2012-10-11 23:22:52 +02:00
commit 20fe3d354f
4 changed files with 136 additions and 122 deletions
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127
firmware/apps/crazy_synth.c
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@ -1,129 +1,12 @@
#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 "freq_table.h"
#include <lib/bughal.h>
#include <avr/io.h>
#include "../lib/apps.h"
static uint16_t osc0 ;
static uint16_t osc1 ;
static uint16_t sample ;
static uint8_t row ;
static uint16_t speedtime;
void synth_init(void){
cli();
osc0 = osc1 = sample = row = 0;
speedtime = 3000;
/* set timer0 to CTC & prescaler 64 → 125kHz increment */
TCCR0A = (1 << WGM01);
TCCR0B = (1 << CS00) | (1 << CS01);
OCR0A = 4; /* TOP */
TCNT0 = 0;
/*enable interrupt */
TIMSK0 |= (1 << OCIE0A);
sei();
return;
}
void synth_deinit(void) {
cli();
TIMSK0 = 0;
sei();
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,
}
};
ISR(TIMER0_COMPA_vect,ISR_NOBLOCK)
{
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;
}
if (row&4){
led_on(LED_R);
led_off(LED_L);
}else{
led_on(LED_L);
led_off(LED_R);
} }
if (osc0 >= 0x8000) PORTB |= (1 << PORTB2);
else PORTB &= ~(1<< PORTB2);
if (osc1 >= 0xc000) PORTC |= (1 << PORTC5);
else PORTC &= ~(1<< PORTC5);
}
#include "../lib/bughal.h"
#include "../lib/util.h"
#include "../lib/music.h"
#include "../lib/synth.h"
/**
* do crazy synthesizer mode

125
firmware/lib/synth.c Normal file
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#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 "freq_table.h"
#include <lib/bughal.h>
static uint16_t osc0 ;
static uint16_t osc1 ;
static uint16_t sample ;
static uint8_t row ;
static uint16_t speedtime;
void synth_init(void){
cli();
osc0 = osc1 = sample = row = 0;
speedtime = 3000;
/* set timer0 to CTC & prescaler 64 → 125kHz increment */
TCCR0A = (1 << WGM01);
TCCR0B = (1 << CS00) | (1 << CS01);
OCR0A = 4; /* TOP */
TCNT0 = 0;
/*enable interrupt */
TIMSK0 |= (1 << OCIE0A);
sei();
return;
}
void synth_deinit(void) {
cli();
TIMSK0 = 0;
sei();
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,
}
};
ISR(TIMER0_COMPA_vect,ISR_NOBLOCK)
{
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;
}
if (row&4){
led_on(LED_R);
led_off(LED_L);
}else{
led_on(LED_L);
led_off(LED_R);
} }
if (osc0 >= 0x8000) PORTB |= (1 << PORTB2);
else PORTB &= ~(1<< PORTB2);
if (osc1 >= 0xc000) PORTC |= (1 << PORTC5);
else PORTC &= ~(1<< PORTC5);
}

5
firmware/lib/synth.h Normal file
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void synth_init(void);
void synth_deinit(void);

1
firmware/main.c
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@ -14,6 +14,7 @@
#include "lib/bughal.h"
#include "lib/util.h"
#include "lib/music.h"
#include "lib/synth.h"
#include "lib/apps.h"