pentabug/firmware/main.c
2012-10-06 00:06:04 +02:00

342 lines
6.8 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 "main.h"
#include "lib/usart.h"
#include "lib/bughal.h"
#include "lib/util.h"
#include "lib/music.h"
//operartion modes
#define MODE0 0
#define MODE1 1
#define MODE2 2
#define MODE3 3
#define MODE4 4
#define NUM_MODES 5
uint8_t OpMode = MODE0; //Operation mode
bool ModeChanged = true;
void modeswitch_poll(void){
if (btn_state(BTNST_LUP,BTN_LEFT)){
//opmode -
OpMode = (0 == OpMode) ? (NUM_MODES-1) : (OpMode-1);
ModeChanged = true;
button_clear(BTN_LEFT);
};
if (btn_state(BTNST_LUP,BTN_RIGHT)){
//opmode +
ModeChanged = true;
OpMode = ((NUM_MODES-1) == OpMode) ? 0 : (OpMode+1);
button_clear(BTN_RIGHT);
};
return;
};
void do_mode0(void){
static timer_t mytimer;
static uint16_t maxval;
static uint16_t lastmaxval;
uint16_t curval;
static uint16_t soundon;
if (ModeChanged){
timer_set(&mytimer, 10);
maxval=0;
ModeChanged = false;
soundon = false;
init_mic();
maxval=0;
};
// single measurement
curval =ADCW; // read result
maxval = (curval>maxval) ? curval : maxval;
if(timer_expired(&mytimer)){
if (soundon) {
//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);
soundon = 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
music_setNote(NOTE_C,5);
set_motor(MOTOR_ON);
soundon = true;
timer_set(&mytimer, 5); //sound duration
} else {
timer_set(&mytimer, 1);
};
lastmaxval=maxval;
maxval=0;
}; //end if soundon
}; //end if timer_expired
}; //end do_mode0
void do_mode1(void){
static uint16_t tone;
if (ModeChanged){
ModeChanged = false;
tone = 1000;
music_setNote(tone,0);
led_off(LED_L|LED_R);
};
if (btn_state(BTNST_SUP,BTN_LEFT)) {
button_clear(BTN_LEFT);
tone += 10;
music_setNote(tone,0);
};
if (btn_state(BTNST_SUP,BTN_RIGHT)) {
button_clear(BTN_RIGHT);
tone -= 10;
music_setNote(tone,0);
};
};
void do_mode2(void){
static timer_t mytimer;
uint8_t max = 50;
uint8_t min = 5;
uint8_t maxfreq = 6000;
uint8_t minfreq = 2000;
if (ModeChanged){
ModeChanged = false;
music_setNote(NOTE_PAUSE,4); //mute
timer_set(&mytimer, 10);
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);
};
// 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
};
void do_mode3(void){
static timer_t mytimer;
static bool blink;
if (ModeChanged){
ModeChanged = 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); };
};
void do_mode4(void){
uint8_t max = 200;
uint8_t min = 10;
static timer_t mytimer;
static bool blink;
if (ModeChanged){
music_setNote(NOTE_PAUSE,0);
ModeChanged = 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);
};
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 __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();
timer_t t;
uint8_t ledstate_l =0;
uint8_t ledstate_r =0;
uint8_t motorstate =0;
timer_set(&t, 100);
for(;;) /* ever */ {
//do something
//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;
default : do_mode0();
}
/*
if (timer_expired(&t)){
//while left button is pressed switch left led on
if (btn_state(BTNST_SDN,BTN_LEFT)|btn_state(BTNST_LDN,BTN_LEFT)){
led_on(LED_L);
} else {
led_off(LED_L);
};
if (btn_state(BTNST_SUP,BTN_LEFT)){
music_setNote(NOTE_PAUSE,0); //mute
button_clear(BTN_LEFT);
};
//when right button has been pressed short, toggle right led
if (btn_state(BTNST_SUP,BTN_RIGHT)){
if (ledstate_r ==0){
ledstate_r = 1;
led_on(LED_R);
} else {
ledstate_r = 0;
led_off(LED_R);
};
music_setNote(500,0); //50Hz sound
button_clear(BTN_RIGHT); //this is important, to show the event has been processed
};
//when right button has been pressed long, toggle motor
if (btn_state(BTNST_LUP,BTN_RIGHT)){
if (motorstate ==0){
motorstate = 1;
set_motor(MOTOR_ON);
} else {
motorstate = 0;
set_motor(MOTOR_OFF);
};
music_setNote(NOTE_B,5); //1000Hz sound
button_clear(BTN_RIGHT); //this is important, to show the event has been processed
};
timer_set(&t, 5);
}; //end if timer expired
//USART0_put_uint16(0xA09F);
//USART0_crlf();
*/
}
/* never return 0; */
}