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608ad6e2fe
pentabug/firmware/main.c
john stone 608ad6e2fe added synth to mode1, major cleanup
2012-10-10 04:15:06 +02:00

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8.2 KiB
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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 "main.h"
#define ever (;;) /* awesomnes++ */
#include "lib/usart.h"
#include "lib/bughal.h"
#include "lib/util.h"
#include "lib/music.h"
#include "lib/synth.h"
//operartion modes
#define MODE0 0
#define MODE1 1
#define MODE2 2
#define MODE3 3
#define MODE4 4
#define MODE5 5
#define NUM_MODES 6
uint8_t OpMode = MODE5;
uint8_t NextMode = MODE5;
bool mode_uninitialized = true;
// check if mode should be changed (one of the buttons long pressed)
void modeswitch_poll(void)
{
if (btn_state(BTNST_LUP, BTN_LEFT)) {
//opmode -
NextMode = (0 == OpMode) ? (NUM_MODES - 1) : (OpMode - 1);
mode_uninitialized = true;
button_clear(BTN_LEFT);
};
if (btn_state(BTNST_LUP, BTN_RIGHT)) {
//opmode +
mode_uninitialized = true;
NextMode = ((NUM_MODES - 1) == OpMode) ? 0 : (OpMode + 1);
button_clear(BTN_RIGHT);
};
return;
}
/**
* sound detection mode
* beeps,blinks and moves when sound is detected
* - beep on/off left switch (short)
* - motor on/off right switch (short)
*/
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 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
if (mode_uninitialized) { //init after mode change
maxval = 0;
lastmaxval = 000;
mode_uninitialized = false;
signaling = false;
sound_on = true;
motor_on = true;
init_mic();
init_leds();
timer_set(&mytimer, 10);
}
// single ADC measurement
curval = ADCW; // read result
maxval = (curval > maxval) ? curval : maxval;
//check for Buttons
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
music_setNote(NOTE_PAUSE, 0); //mute
set_motor(MOTOR_OFF);
//re-init mic
init_mic();
led_off(LED_R | LED_L);
timer_set(&mytimer, 1);
signaling = false;
lastmaxval = 10000;
} else { //sound was off wer're in measuring mode
if (maxval > lastmaxval) {
USART0_put_uint16(maxval);
USART0_crlf();
led_on(LED_R | LED_L);
init_buzzr(); //buzzr to output
if (sound_on)
music_setNote(NOTE_C, 5);
if (motor_on)
set_motor(MOTOR_ON);
signaling = true;
timer_set(&mytimer, 5); //sound duration
} else {
timer_set(&mytimer, 1);
}
lastmaxval = maxval;
maxval = 0;
} //end if soundon
} //end if timer_expired
} /* end mode0 */
/**
* do crazy sytesizer mode
*
*/
void do_mode1(void)
{
if (mode_uninitialized) {
mode_uninitialized = false;
synth_init();
}
/*deinialisation required*/
if(OpMode != NextMode){
synth_deinit();
}
return;
}
/**
* crazymoves mode
* - play random sounds and move in random fashion
*/
void do_mode2(void)
{
static timer_t mytimer;
uint8_t max = 50;
uint8_t min = 5;
uint16_t maxfreq = 5000;
uint16_t minfreq = 1000;
if (mode_uninitialized) {
mode_uninitialized = false;
music_setNote(NOTE_PAUSE, 4); //mute
timer_set(&mytimer, 10);
init_leds();
led_off(LED_L | LED_R);
set_motor(MOTOR_OFF);
}
if (timer_expired(&mytimer)) {
set_motor(MOTOR_OFF);
music_setNote(NOTE_PAUSE, 0); //mute
// set random led
switch (rand() % 4) {
case 0:
led_on(LED_L);
break;
case 1:
led_on(LED_R);
break;
case 2:
led_on(LED_L | LED_R);
break;
default:
led_off(LED_L | LED_R);
break;
};
// decide if to switch motor on (40% chance)
if (rand() % 5 > 2)
set_motor(MOTOR_ON);
//decide if to play sound (70% chance)
if (rand() % 10 > 2) {
music_setNote((rand() % (maxfreq - minfreq)) + minfreq,
0);
}
timer_set(&mytimer, (rand() % (max - min)) + min);
}//end if timer_expired
}
/**
* just blink mode
* - left/right button switch motor off/on
*/
void do_mode3(void)
{
static timer_t mytimer;
static bool blink;
if (mode_uninitialized) {
init_leds();
mode_uninitialized = false;
music_setNote(NOTE_PAUSE, 4); //mute
set_motor(MOTOR_OFF);
timer_set(&mytimer, 10);
blink = false;
}
if (timer_expired(&mytimer)) {
if (!blink) {
//lets blink
led_on(LED_L | LED_R);
timer_set(&mytimer, 1);
blink = true;
} else {
//stop blink
led_off(LED_L | LED_R);
timer_set(&mytimer, 123);
blink = false;
}
} //end if timer_expired
if (btn_state(BTNST_SUP, BTN_LEFT)) {
button_clear(BTN_LEFT);
set_motor(MOTOR_OFF);
}
if (btn_state(BTNST_SUP, BTN_RIGHT)) {
button_clear(BTN_RIGHT);
set_motor(MOTOR_ON);
}
}
/**
* ggrbug mode
* - simulate geiger counter sounds
*/
void do_mode4(void)
{
uint8_t max = 200;
uint8_t min = 10;
static timer_t mytimer;
static bool blink;
if (mode_uninitialized) {
init_leds();
music_setNote(NOTE_PAUSE, 0);
mode_uninitialized = false;
timer_set(&mytimer, 10);
blink = false;
};
if (timer_expired(&mytimer)) {
if (!blink) {
//lets blink
int i = (rand() % 3);
switch (i) {
case 0:
led_on(LED_L);
break;
case 1:
led_on(LED_R);
break;
default:
led_on(LED_L | LED_R);
break;
};
if (rand() % 10 > 8)
set_motor(MOTOR_ON);
music_setNote(NOTE_C, 5);
timer_set(&mytimer, 2);
blink = true;
} else {
//stop blink
led_off(LED_L | LED_R);
set_motor(MOTOR_OFF);
music_setNote(NOTE_PAUSE, 0);
timer_set(&mytimer, (rand() % (max - min)) + min);
blink = false;
}
} //end if timer_expired
}
void do_mode5(void)
{
static bool discharge;
static timer_t mytimer;
uint16_t led1;
uint16_t led2;
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
// do one conversion
ADCSRA |= (1 << ADSC);
while (ADCSRA & (1 << ADSC)) {
} //wait for conversion to end
uint16_t __attribute__ ((unused)) dummy = ADCW; //read once
timer_set(&mytimer, 10);
discharge = true;
}
if (timer_expired(&mytimer)) {
if (discharge) {
//discharge LED
//enable LED channels as output
DDRC |= (1 << PORTC0) | (1 << PORTC1) |
(1 << PORTC2) | (1 << PORTC3) ;
// discharge
PORTC = (PORTC & 0b11110000);
//set C0 and C2 to input (disable pullups)
DDRC &= ~((1 << PORTC0) | (1 << PORTC2));
//pull ups off
PORTC &= ~((1 << PORTC0) | (1 << PORTC2));
discharge = false;
} 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
ADMUX = (ADMUX & ~(0x1F)) | 2; // select channel 2
ADCSRA |= (1 << ADSC); // start single conversion
while (ADCSRA & (1 << ADSC)) ; // wait for conversion to end
led2 = ADCW; // read result
#if 0
USART0_putc('1');USART0_putc(':');USART0_put_uint16(led1);USART0_crlf();
USART0_putc('2');USART0_putc(':');USART0_put_uint16(led2);USART0_crlf();
#endif
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)
{
/* hardware initialisation: */
init_leds();
init_buzzr();
init_switch();
USART0_Init();
init_motor();
/* software initialisation */
timer_init();
music_init();
/* here the show begins: */
sei();
for ever {
//main polling loop;
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;
}
OpMode = NextMode;
}
}
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