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button code madness

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This commit is contained in:
john stone 2012-10-10 05:12:38 +02:00
parent 608ad6e2fe
commit 68cd73d423
2 changed files with 81 additions and 70 deletions
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82
firmware/lib/synth.c
View File

@ -6,20 +6,29 @@
#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();
/*
* Timer 0
*/
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 */
OCR0A = 4; /* TOP */
TCNT0 = 0;
/*enable interrupt */
TIMSK0 |= (1 << OCIE0A);
@ -35,9 +44,6 @@ void synth_deinit(void) {
return;
}
enum {
SONG_LENGTH = 128,
xxx = 0,
@ -53,32 +59,43 @@ enum {
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_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,
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,
}
};
static uint16_t osc0 = 0;
static uint16_t osc1 = 0;
static uint16_t sample = 0;
static uint8_t row = 0;
static uint16_t speedtime = 3000;
ISR(TIMER0_COMPA_vect,ISR_NOBLOCK)
@ -87,12 +104,19 @@ ISR(TIMER0_COMPA_vect,ISR_NOBLOCK)
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);

69
firmware/main.c
View File

@ -24,8 +24,8 @@
#define MODE5 5
#define NUM_MODES 6
uint8_t OpMode = MODE5;
uint8_t NextMode = MODE5;
uint8_t OpMode = MODE1;
uint8_t NextMode = MODE1;
bool mode_uninitialized = true;
@ -56,12 +56,12 @@ void modeswitch_poll(void)
void do_mode0(void)
{
static timer_t mytimer;
static uint16_t maxval; //maximum of ADC values read during the las timer interval
static uint16_t maxval; //maximum of ADC values read during the las timer interval
static uint16_t lastmaxval; //maximum of values during last timer interval
uint16_t curval; //current value on D5 (one pin of the piezo,the other is on GND)
static bool signaling; //are we currently signaling (beeping, blinking etc...)
static bool sound_on; //should sound be on when signaling
static bool motor_on; //should motor be on when signaling
uint16_t curval; //current value on D5 (one pin of the piezo,the other is on GND)
static bool signaling; //are we currently signaling (beeping, blinking etc...)
static bool sound_on; //should sound be on when signaling
static bool motor_on; //should motor be on when signaling
if (mode_uninitialized) { //init after mode change
maxval = 0;
@ -83,11 +83,11 @@ void do_mode0(void)
if (btn_state(BTNST_SUP, BTN_LEFT)) {
button_clear(BTN_LEFT);
sound_on = !sound_on;
};
}
if (btn_state(BTNST_SUP, BTN_RIGHT)) {
button_clear(BTN_RIGHT);
motor_on = !motor_on;
};
}
if (timer_expired(&mytimer)) {
if (signaling) {
//turn off sound
@ -115,15 +115,15 @@ void do_mode0(void)
timer_set(&mytimer, 1);
}
lastmaxval = maxval;
maxval = 0;
} //end if soundon
maxval = 0;
}//end if soundon
} //end if timer_expired
}//end if timer_expired
} /* end mode0 */
/**
* do crazy sytesizer mode
* do crazy synthesizer mode
*
*/
void do_mode1(void)
@ -131,12 +131,15 @@ void do_mode1(void)
if (mode_uninitialized) {
mode_uninitialized = false;
synth_init();
}
timer_set(&mytimer,10);
}
/*deinialisation required*/
if(OpMode != NextMode){
synth_deinit();
}
return;
}
@ -316,14 +319,12 @@ void do_mode5(void)
}
if (timer_expired(&mytimer)) {
if (discharge) {
//discharge LED
//enable LED channels as output
DDRC |= (1 << PORTC0) | (1 << PORTC1) |
DDRC |= (1 << PORTC0) | (1 << PORTC1) | //set LED Ports to output:
(1 << PORTC2) | (1 << PORTC3) ;
// discharge
PORTC = (PORTC & 0b11110000);
//set C0 and C2 to input (disable pullups)
DDRC &= ~((1 << PORTC0) | (1 << PORTC2));
DDRC &= ~((1 << PORTC0) | (1 << PORTC2)); //set Led Ports to input
//pull ups off
PORTC &= ~((1 << PORTC0) | (1 << PORTC2));
discharge = false;
@ -333,6 +334,7 @@ void do_mode5(void)
ADCSRA |= (1 << ADSC); // start single conversion
while (ADCSRA & (1 << ADSC)) ; // wait for conversion to end
led1 = ADCW; // read result
ADMUX = (ADMUX & ~(0x1F)) | 2; // select channel 2
ADCSRA |= (1 << ADSC); // start single conversion
while (ADCSRA & (1 << ADSC)) ; // wait for conversion to end
@ -344,16 +346,12 @@ void do_mode5(void)
music_setNote(400 +((0x1ff - led1) + (0x1ff - led2)) * 5, 0);
discharge = true;
}
timer_set(&mytimer, 2); //relaunch timer
}//end if timer_expired
}//end mode5
void __attribute__ ((noreturn))
main(void)
void __attribute__ ((noreturn)) main(void)
{
/* hardware initialisation: */
init_leds();
@ -365,6 +363,7 @@ void __attribute__ ((noreturn))
timer_init();
music_init();
/* here the show begins: */
sei();
@ -373,24 +372,12 @@ void __attribute__ ((noreturn))
button_poll();
modeswitch_poll();
switch (OpMode) {
case MODE1:
do_mode1();
break;
case MODE2:
do_mode2();
break;
case MODE3:
do_mode3();
break;
case MODE4:
do_mode4();
break;
case MODE5:
do_mode5();
break;
default:
do_mode0();
break;
case MODE1: do_mode1() ; break ;
case MODE2: do_mode2() ; break ;
case MODE3: do_mode3() ; break ;
case MODE4: do_mode4() ; break ;
case MODE5: do_mode5() ; break ;
default: do_mode0() ; break ;
}
OpMode = NextMode;
}