170 lines
3.2 KiB
C
170 lines
3.2 KiB
C
#include <inttypes.h>
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#include <avr/io.h>
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#include <avr/sleep.h>
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#include <avr/interrupt.h>
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#define __DELAY_BACKWARD_COMPATIBLE__
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#include <util/delay.h>
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#include <stdlib.h>
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#include "main.h"
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#define ever (;;) /* awesomnes++ */
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#include "lib/usart.h"
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#include "lib/bughal.h"
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#include "lib/util.h"
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#include "lib/music.h"
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#include "lib/synth.h"
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#include "lib/apps.h"
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mode_fun mode_funs[MAX_FUNS] = { NULL };
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uint8_t mode_num = 0;
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/*specialmodes, not in normal mode loop*/
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#define MODE_PWDN mode_num //go to sleep
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uint8_t OpMode = 0;
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uint8_t NextMode = 0;
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uint8_t mode_uninitialized = true;
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uint8_t mode_last_tick = false;
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/*check if mode should be changed (one of the buttons long pressed)*/
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void modeswitch_poll(void)
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{
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if (btn_state(BTNST_LUP, BTN_LEFT)) {
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//opmode --
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NextMode = (OpMode -1) % mode_num;
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button_clear(BTN_LEFT);
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}
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if (btn_state(BTNST_LUP, BTN_RIGHT)) {
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//opmode ++
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NextMode = (OpMode +1) % mode_num;
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button_clear(BTN_RIGHT);
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}
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if ( btn_state(BTNST_LDN, BTN_RIGHT) &&
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btn_state(BTNST_LDN, BTN_LEFT) ) {
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NextMode = MODE_PWDN;
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}
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return;
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}
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void do_powerDown(void)
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{
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static timer_t mytimer;
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static uint8_t pwdn_state;
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static bool ledRon;
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uint8_t oldreg;
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if (mode_uninitialized) {
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mode_uninitialized = false;
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pwdn_state = 0;
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timer_set(&mytimer, 5);
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ledRon = true;
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};
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if (timer_expired(&mytimer)) {
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switch (pwdn_state) {
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case 0:
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if (ledRon) {
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led_on(LED_L);
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led_off(LED_R);
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} else {
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led_off(LED_L);
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led_on(LED_R);
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};
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ledRon = !ledRon;
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timer_set(&mytimer, 6);
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if ((btn_state(BTNST_SUP, BTN_RIGHT)
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|| btn_state(BTNST_LUP, BTN_RIGHT))
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&& (btn_state(BTNST_SUP, BTN_LEFT)
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|| btn_state(BTNST_LUP, BTN_LEFT))) {
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//both buttons released
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led_off(LED_L | LED_R);
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pwdn_state = 1;
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timer_set(&mytimer, 10);
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}
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break;
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case 1:
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music_setNote(NOTE_A, 4);
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timer_set(&mytimer, 10);
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pwdn_state++;
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break;
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case 2:
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music_setNote(NOTE_F, 4);
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timer_set(&mytimer, 5);
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pwdn_state++;
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break;
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case 3:
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music_setNote(NOTE_D, 3);
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timer_set(&mytimer, 15);
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pwdn_state++;
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break;
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case 4:
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music_setNote(NOTE_PAUSE, 4);
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timer_set(&mytimer, 1);
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pwdn_state++;
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break;
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case 5: //now we can really power down
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// lets switch everything off
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oldreg = PCMSK2;
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PCMSK2 |= 3; //PCINT16 PCINT17
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set_sleep_mode(SLEEP_MODE_PWR_DOWN);
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sleep_enable();
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sei();
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sleep_cpu();
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sleep_disable();
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PCMSK2 = oldreg;
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NextMode = 0;
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break;
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default:
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break;
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} //end switch
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} //end timer expired
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} // end do_powerDown
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ISR(PCINT2_vect){ ; }
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void __attribute__ ((noreturn)) main(void)
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{
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/* hardware initialisation: */
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init_leds();
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init_buzzr();
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init_switch();
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USART0_Init();
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init_motor();
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/* software initialisation */
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timer_init();
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music_init();
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/* here the show begins: */
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sei();
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for ever {
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//main polling loop;
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button_poll();
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if(OpMode < mode_num) {
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modeswitch_poll();
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}
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if (OpMode != NextMode){
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mode_last_tick = true;
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}
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if(OpMode < mode_num) {
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mode_funs[OpMode]();
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} else {
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do_powerDown();
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}
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if (OpMode != NextMode){
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mode_last_tick = false;
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mode_uninitialized = true;
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OpMode = NextMode;
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}
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}
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}
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