930 lines
22 KiB
C++
930 lines
22 KiB
C++
/*
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* Arduino 1D Pong Game with (60) WS2812B LEDs
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*
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* Copyright (C) 2015 B.Stultiens
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Adafruit_NeoPixel.h"
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#include "notes.h"
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#include "pin-names.h"
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//DIO
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#define GPIO23 23
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#define GPIO22 22
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#define GPIO18 18 // SPI CLK
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#define GPIO19 19
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#define GPIO21 21
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//ADIO
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#define GPIO25 25
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#define GPIO26 26
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#define GPIO27 27
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#define GPIO32 32
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#define GPIO33 33
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#define GPIO34 34
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#define GPIO35 35
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#define GPIO36 36
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#define GPIO39 39
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#define NELEM(x) (sizeof(x) / sizeof((x)[0]))
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#define PIN_WSDATA GPIO21 // LED data
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#define PIN_BUT_RS GPIO35 // Right start/hit button
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#define PIN_BUT_RP GPIO33 // Right power-up button
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#define PIN_BUT_LS GPIO19 // Left start/hit button
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#define PIN_BUT_LP GPIO18 // Left power-up button
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#define PIN_SOUND GPIO32 // Buzzer output (PB1/OC1A)
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#define NPIXELS 60 // Number of pixels to handle
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#define ZONE_SIZE 7 // Bounce-back zone size
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#define SHOW_LO 12 // Score dots intensity background
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#define SHOW_HI 48 // Score dots intensity foreground
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#define WIN_POINTS 10 // Points needed to win
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#define TONE_INTERVAL 5 // Not every ball move should give a sound
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Adafruit_NeoPixel one_d = Adafruit_NeoPixel(NPIXELS, PIN_WSDATA, NEO_GRB | NEO_KHZ800);
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// Events from buttons and timers
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#define EV_BUT_LS_PRESS 0x01
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#define EV_BUT_RS_PRESS 0x02
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#define EV_BUT_LP_PRESS 0x04
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#define EV_BUT_RP_PRESS 0x08
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#define EV_TIMER 0x10
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#define EV_TIMEOUT 0x20
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#define EV_TONETIMER 0x40
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#define TIME_DEBOUNCE 8
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#define TIME_IDLE 40
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#define TIME_START_TIMEOUT 20000 // Go idle if nothing happens
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#define TIME_RESUME_TIMEOUT 7500 // Auto-fire after timeout
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#define TIME_BALL_BLINK 150
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#define TIME_SPEED_MIN 10
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#define TIME_SPEED_INTERVAL 3
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#define TIME_POINT_BLINK 233
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#define TIME_WIN_BLINK 85
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#define TIME_LOCKOUT 250 // Prevent fast button-press to max. 4 times/s
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#define TIME_TONE_SERVE 50 // Sound durations
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#define TIME_TONE_BOUNCE 50
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#define TIME_TONE_MOVE 25
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#define TIME_TONE_SCORE 50
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enum {
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ST_IDLE = 0,
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ST_START_L,
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ST_START_R,
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ST_MOVE_LR,
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ST_MOVE_RL,
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ST_ZONE_L,
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ST_ZONE_R,
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ST_POINT_L,
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ST_POINT_R,
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ST_RESUME_L,
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ST_RESUME_R,
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ST_WIN_L,
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ST_WIN_R,
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};
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static uint32_t oldtime; // Previous' loop millis() value
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static uint8_t thestate; // Game state
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static uint8_t bstate_ls; // Button states
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static uint8_t bstate_rs;
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static uint8_t bstate_lp;
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static uint8_t bstate_rp;
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static uint8_t debtmr_ls; // Button debounce timers
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static uint8_t debtmr_rs;
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static uint8_t debtmr_lp;
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static uint8_t debtmr_rp;
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static uint16_t timer; // General timer
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static uint16_t timeout; // Timeout timer (auto-start and goto idle)
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static uint16_t tonetimer; // Tone duration timer
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static uint16_t lockout_l; // Lockout timer to prevent pushing too often
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static uint16_t lockout_r;
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static uint8_t ballblinkstate; // Blinking ball at edge on/off
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static uint8_t pointblinkcount; // Blinking point when a side scores
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static uint8_t ballpos; // Current position of the ball
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static uint16_t speed; // Time between ball moves
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static uint8_t speedup; // Faster and faster replies counter
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static uint8_t points_l; // Score
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static uint8_t points_r;
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static uint8_t zone_l; // Hit back zone
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static uint8_t zone_r;
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static uint8_t boost_l; // Set if user boosted speed last round
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static uint8_t boost_r;
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static uint8_t boosted; // Set if any user boosted until the ball reaches opposite side
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static uint8_t tonecount; // Interval counter for sound during move
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static uint8_t tuneidx; // Index to the running tune
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struct tnote {
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uint8_t note;
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uint16_t duration;
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};
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/* Tone pitch table for 16MHz crystal */
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static const uint16_t tone_pitch[NTONE_PITCH] PROGMEM = {
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61155, 57722, 54482, 51424, 48538, 45814, 43242, 40815, 38524, 36362 /* == 220Hz */, 34321, 32395,
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30577, 28860, 27240, 25711, 24268, 22906, 21620, 20407, 19261, 18180 /* == 440Hz */, 17160, 16197,
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15288, 14429, 13619, 12855, 12133, 11452, 10809, 10203, 9630, 9089 /* == 880Hz */, 8579, 8098,
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7643, 7214, 6809, 6427, 6066, 5725, 5404, 5101, 4814, 4544, 4289, 4048,
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3821, 3606, 3404, 3213, 3032, 2862, 2701, 2550, 2406, 2271, 2144, 2023,
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1910,
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};
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static const tnote tune_win[] PROGMEM = {
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{ NOTE_Gs6, DUR_1_16 },
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{ NOTE_A6, DUR_1_16 },
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{ NOTE_Gs6, DUR_1_16 },
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{ NOTE_E6, DUR_1_16 },
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{ NOTE_Gs6, DUR_1_16 },
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{ NOTE_A6, DUR_1_16 },
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{ NOTE_Gs6, DUR_1_16 },
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{ NOTE_E6, DUR_1_16 },
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{ 0, DUR_1_8 },
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{ NOTE_D4, DUR_1_8 },
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{ NOTE_D4, DUR_1_8 },
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{ NOTE_B3, DUR_1_8 },
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{ NOTE_E4, DUR_1_8 },
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{ NOTE_D4, DUR_1_4 },
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{ NOTE_B3, DUR_1_4 },
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{ NOTE_D4, DUR_1_8 },
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{ NOTE_D4, DUR_1_8 },
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{ NOTE_B3, DUR_1_8 },
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{ NOTE_E4, DUR_1_8 },
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{ NOTE_D4, DUR_1_4 },
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{ NOTE_B3, DUR_1_4 },
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};
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//#define sound_off() do { TCCR1A = _BV(COM1A1); /* Set clear output */ } while(0)
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void sound_off()
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{
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// nix tun - muss erfinden
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}
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/*
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* Return the current state of a button.
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* Returns non-zero on button pressed.
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*/
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static inline uint8_t button_is_down(uint8_t pin)
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{
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switch(pin) {
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case PIN_BUT_LS: return !debtmr_ls && !bstate_ls;
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case PIN_BUT_RS: return !debtmr_rs && !bstate_rs;
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case PIN_BUT_LP: return !debtmr_lp && !bstate_lp;
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case PIN_BUT_RP: return !debtmr_rp && !bstate_rp;
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}
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return 0;
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}
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/*
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* Debounce a button and return an event at the rising edge of the detection.
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* The rising edge ensures that there is no delay from pressing the button and
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* the event propagating. It is a prerequisite that the input line is not
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* glitchy.
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* A release event may be generated if the routine is slightly modified.
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*/
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static inline uint8_t do_debounce(uint8_t tdiff, uint8_t *bstate, uint8_t *debtmr, uint8_t pin, uint8_t ev)
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{
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if(0 == *debtmr) {
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uint8_t state = digitalRead(pin);
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if(state != *bstate) {
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*debtmr = TIME_DEBOUNCE;
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if(!(*bstate = state))
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return ev; // Event on High-to-Low transition of input
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// else
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// return release_event_value
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}
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} else {
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if(*debtmr >= tdiff)
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*debtmr -= tdiff;
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else
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*debtmr = 0;
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}
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return 0;
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}
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/*
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* Timer countdown and return an event on timer reaching zero.
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*/
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static inline uint8_t do_timer(uint8_t tdiff, uint16_t *tmr, uint8_t ev)
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{
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if(0 != *tmr) {
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if(*tmr >= tdiff)
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*tmr -= tdiff; // Timer countdown
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else
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*tmr = 0;
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// Set event when done counting
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if(0 == *tmr)
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return ev;
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}
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return 0;
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}
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/*
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* Set the speaker to generate a tone
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*/
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static inline void set_tone(uint16_t note, uint16_t duration)
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{
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tonetimer = duration;
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if(note && note <= NTONE_PITCH)
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{
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//OCR1A = pgm_read_word(&tone_pitch[note-1]);
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//TCCR1A = _BV(COM1A0); /* Set toggle output */
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//TCNT1 = 0;
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} else
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sound_off();
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}
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/*
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* Play the next note of the tune
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*/
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static inline void tune_next()
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{
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if(tuneidx < NELEM(tune_win)) {
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uint16_t n = pgm_read_byte(&tune_win[tuneidx].note);
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uint16_t d = pgm_read_word(&tune_win[tuneidx].duration);
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set_tone(n, d);
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tuneidx++;
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} else
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set_tone(0, 0);
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}
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/*
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* Draw the left and right zones where the ball may be hit back.
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*/
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static void draw_sides()
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{
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for(uint8_t i = 0; i < zone_l-1; i++) {
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one_d.setPixelColor(i, 0, 64, 64);
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}
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one_d.setPixelColor(0, 0, 64, 64);
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for(uint8_t i = 0; i < zone_r-1; i++) {
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one_d.setPixelColor(NPIXELS-1-i, 0, 64, 64);
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}
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one_d.setPixelColor(NPIXELS-1, 0, 64, 64);
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}
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/*
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* Draw the ball with a tail of five pixels in diminishing intensity.
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*/
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static void draw_ball(int8_t dir, uint8_t pos)
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{
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uint8_t c = 255;
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for(uint8_t i = 0; i < 5 && pos >= 0 && pos < NPIXELS; i++) {
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one_d.setPixelColor(pos, c, c, 0);
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c >>= 1;
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pos -= dir;
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}
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}
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/*
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* Draw the playing field consisting of the zones and the points scored so far.
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*/
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static void draw_course(uint8_t v)
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{
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one_d.clear();
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draw_sides();
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if(v) {
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for(uint8_t i = 0; i < points_l; i++) {
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one_d.setPixelColor(NPIXELS/2-1-(2*i+0), v, 0, 0);
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one_d.setPixelColor(NPIXELS/2-1-(2*i+1), v, 0, 0);
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}
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for(uint8_t i = 0; i < points_r; i++) {
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one_d.setPixelColor(NPIXELS/2+(2*i+0), 0, v, 0);
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one_d.setPixelColor(NPIXELS/2+(2*i+1), 0, v, 0);
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}
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}
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}
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/*
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* Animate the game idle situation with following content:
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* - A rainbow pattern
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* - Ball bouncing left-right-left-right
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* - Score animation
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*/
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static uint16_t ai_h;
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static uint8_t ai_state;
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static uint8_t ai_pos;
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static void animate_idle_init(void)
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{
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ai_h = 0;
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ai_state = 0;
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}
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#define H_STEPS 1542
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static void animate_idle(void)
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{
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switch(ai_state) {
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case 0:
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case 1:
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case 2:
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case 3:
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/* Rainbow pattern */
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for(uint8_t i = 0; i < NPIXELS; i++) {
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uint16_t h = ai_h + (i << 4);
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if(h >= H_STEPS)
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h -= H_STEPS;
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//*one_d.setPixelColorHsv(i, h, 255, 128);
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}
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ai_h += H_STEPS/60;
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if(ai_h >= H_STEPS) {
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ai_h -= H_STEPS;
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ai_pos = 0;
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ai_state++;
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}
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break;
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case 4:
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case 6:
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/* Ball left-to-right */
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draw_course(0);
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draw_ball(1, ai_pos++);
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if(ai_pos >= NPIXELS) {
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ai_state++;
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}
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break;
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case 5:
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case 7:
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/* Ball right-to-left */
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draw_course(0);
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draw_ball(-1, --ai_pos);
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if(!ai_pos) {
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ai_state++;
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}
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break;
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case 8:
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case 10:
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/* Score blinkenlights */
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draw_course(0);
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for(uint8_t i = 0; i < ai_pos; i++) {
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one_d.setPixelColor(NPIXELS/2-1-i, 255, 0, 0);
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one_d.setPixelColor(NPIXELS/2+i, 0, 255, 0);
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}
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if(++ai_pos >= NPIXELS/2) {
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ai_state++;
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ai_pos = 0;
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}
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break;
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case 9:
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case 11:
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draw_course(0);
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for(uint8_t i = 0; i < NPIXELS/2-ai_pos; i++) {
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one_d.setPixelColor(NPIXELS/2-1-i, 255, 0, 0);
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one_d.setPixelColor(NPIXELS/2+i, 0, 255, 0);
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}
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if(++ai_pos >= NPIXELS/2) {
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ai_state++;
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ai_pos = 0;
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}
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break;
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default:
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ai_state = 0;
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break;
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}
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one_d.show();
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}
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/*
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* Animate a winner. Flash the winning side's points.
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*/
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static uint8_t aw_state;
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static void animate_win_init()
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{
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aw_state = 0;
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}
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static uint8_t animate_win(uint8_t side)
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{
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uint32_t clr;
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uint8_t pos;
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if(side) {
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clr = Adafruit_NeoPixel::Color(0, 255, 0);
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pos = NPIXELS/2;
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} else {
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clr = Adafruit_NeoPixel::Color(255, 0, 0);
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pos = 0;
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}
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one_d.clear();
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if(aw_state < 20) {
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if(aw_state & 0x01) {
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for(uint8_t i = 0; i < NPIXELS/2; i++) {
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one_d.setPixelColor(pos+i, clr);
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}
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}
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} else if(aw_state < 50) {
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for(uint8_t i = 0; i < aw_state - 20; i++) {
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one_d.setPixelColor(pos+i, clr);
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}
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} else if(aw_state < 80) {
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for(uint8_t i = aw_state - 50; i < NPIXELS/2; i++) {
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one_d.setPixelColor(pos+i, clr);
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}
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} else if(aw_state < 110) {
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for(uint8_t i = 0; i < aw_state - 80; i++) {
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one_d.setPixelColor(NPIXELS/2-1-i+pos, clr);
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}
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} else if(aw_state < 140) {
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for(uint8_t i = aw_state - 110; i < NPIXELS/2; i++) {
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one_d.setPixelColor(NPIXELS/2-1-i+pos, clr);
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}
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}
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one_d.show();
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return ++aw_state < 140;
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}
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/*
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* Active game states suppress fast button pushes
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*/
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static uint8_t is_game_state(uint8_t s)
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{
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switch(s) {
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case ST_MOVE_LR: // If you press too soon
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case ST_MOVE_RL:
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case ST_ZONE_R: // In the zone
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case ST_ZONE_L:
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case ST_POINT_L: // Just got a point, delay resume
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case ST_POINT_R:
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case ST_WIN_R: // Delay to activate the win sequence
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case ST_WIN_L:
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return 1;
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default:
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return 0;
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}
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}
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/*
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* Set the timer to the speed of the ball and the current boost-state
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*/
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static inline void speed_to_timer()
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{
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if(boosted)
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timer = speed * 3 / 4;
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else
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timer = speed;
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if(timer < 2)
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timer = 2;
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}
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/*
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* State transition routine. Setup prerequisites for the new state to function
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* properly.
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* - Handle a state's exit actions
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* - Handle a state's entry actions
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*/
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static void set_state(uint8_t newstate)
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{
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/* State exit actions */
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switch(thestate) {
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case ST_IDLE:
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case ST_WIN_L:
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case ST_WIN_R:
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points_l = points_r = 0;
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boost_l = boost_r = 0;
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zone_l = zone_r = ZONE_SIZE;
|
|
speedup = 0;
|
|
boosted = 0;
|
|
break;
|
|
|
|
case ST_START_L:
|
|
case ST_POINT_L:
|
|
case ST_RESUME_L:
|
|
ballpos = 0;
|
|
/* Serve speed not too fast */
|
|
speed = TIME_SPEED_MIN + 5*TIME_SPEED_INTERVAL;
|
|
speedup = 0;
|
|
break;
|
|
|
|
case ST_START_R:
|
|
case ST_POINT_R:
|
|
case ST_RESUME_R:
|
|
ballpos = NPIXELS-1;
|
|
/* Serve speed not too fast */
|
|
speed = TIME_SPEED_MIN + 5*TIME_SPEED_INTERVAL;
|
|
speedup = 0;
|
|
break;
|
|
|
|
case ST_ZONE_L:
|
|
/* Calculate the speed for the return */
|
|
speed = TIME_SPEED_MIN + TIME_SPEED_INTERVAL * ballpos;
|
|
if(++speedup / 2 >= speed)
|
|
speed = 2;
|
|
else
|
|
speed -= speedup / 2;
|
|
boosted = 0;
|
|
break;
|
|
|
|
case ST_ZONE_R:
|
|
/* Calculate the speed for the return */
|
|
speed = TIME_SPEED_MIN + TIME_SPEED_INTERVAL * (NPIXELS-1 - ballpos);
|
|
if(++speedup / 2 >= speed)
|
|
speed = 2;
|
|
else
|
|
speed -= speedup / 2;
|
|
boosted = 0;
|
|
break;
|
|
}
|
|
|
|
thestate = newstate;
|
|
/* State entry actions */
|
|
switch(thestate) {
|
|
case ST_IDLE:
|
|
boost_l = boost_r = 0;
|
|
zone_l = zone_r = ZONE_SIZE;
|
|
animate_idle_init();
|
|
timer = TIME_IDLE;
|
|
break;
|
|
|
|
case ST_START_L:
|
|
case ST_START_R:
|
|
draw_course(SHOW_HI);
|
|
one_d.show();
|
|
timer = TIME_BALL_BLINK;
|
|
timeout = TIME_START_TIMEOUT;
|
|
ballblinkstate = 0;
|
|
ballpos = thestate == ST_START_L ? 0 : NPIXELS-1;
|
|
break;
|
|
|
|
case ST_MOVE_LR:
|
|
case ST_MOVE_RL:
|
|
speed_to_timer();
|
|
tonecount = TONE_INTERVAL;
|
|
break;
|
|
|
|
case ST_POINT_L:
|
|
case ST_POINT_R:
|
|
pointblinkcount = 7;
|
|
/* Recover the zone next round */
|
|
if(!boost_l && zone_l < ZONE_SIZE)
|
|
zone_l++;
|
|
if(!boost_r && zone_r < ZONE_SIZE)
|
|
zone_r++;
|
|
timer = TIME_POINT_BLINK;
|
|
if(boost_l)
|
|
boost_l--;
|
|
if(boost_r)
|
|
boost_r--;
|
|
// Ensure we get to the score display before continuing
|
|
lockout_l = lockout_r = TIME_LOCKOUT;
|
|
break;
|
|
|
|
case ST_RESUME_L:
|
|
case ST_RESUME_R:
|
|
draw_course(SHOW_HI);
|
|
one_d.show();
|
|
timer = TIME_BALL_BLINK;
|
|
timeout = TIME_RESUME_TIMEOUT;
|
|
ballblinkstate = 0;
|
|
break;
|
|
|
|
case ST_WIN_L:
|
|
case ST_WIN_R:
|
|
// Ensure we get to the winner display before continuing
|
|
lockout_l = lockout_r = 2 * TIME_LOCKOUT;
|
|
animate_win_init();
|
|
timer = TIME_WIN_BLINK;
|
|
tuneidx = 0;
|
|
tune_next();
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Arduino setup
|
|
*/
|
|
void setup()
|
|
{
|
|
//PORTB = PORTC = PORTD = 0xff; // Enable all pull-ups so we don't have undef inputs hanging
|
|
|
|
pinMode(PIN_BUT_LS, INPUT_PULLUP);
|
|
pinMode(PIN_BUT_RS, INPUT_PULLUP);
|
|
pinMode(PIN_BUT_LP, INPUT_PULLUP);
|
|
pinMode(PIN_BUT_RP, INPUT_PULLUP);
|
|
digitalWrite(PIN_SOUND, 0);
|
|
pinMode(PIN_SOUND, OUTPUT);
|
|
|
|
one_d.begin(); // Setup IO
|
|
one_d.setBrightness(60);
|
|
one_d.setPixelColor(6, one_d.Color(200,200,0));
|
|
one_d.show(); // All leds off
|
|
|
|
thestate = ST_IDLE;
|
|
set_state(ST_IDLE); // To run both exit and entry actions
|
|
|
|
/*
|
|
* Setup sound hardware with Timer1 manually. The disabled interrupts
|
|
* in the pixel-update causes interference in the timing resulting in
|
|
* clicks in the sound output.
|
|
*/
|
|
/* geht nicht bei ESP32 - müsen was eigenes finden
|
|
TCCR1A = 0;
|
|
TCCR1B = _BV(WGM12) | _BV(CS10);
|
|
OCR1A = NOTE_C4; // Just a value
|
|
TCNT1 = 0;
|
|
*/
|
|
}
|
|
|
|
/*
|
|
* Main program, called constantly and forever.
|
|
*
|
|
* - Handle timing and generate events
|
|
* - Run the game's state machine
|
|
*/
|
|
#define chk_ev(ev) (events & (ev))
|
|
|
|
void loop()
|
|
{
|
|
uint32_t now;
|
|
uint8_t tdiff = (now = millis()) - oldtime;
|
|
uint8_t events = 0;
|
|
|
|
/* Handle buttons and timers on (just about) every millisecond */
|
|
if(tdiff) {
|
|
oldtime = now;
|
|
events |= do_debounce(tdiff, &bstate_ls, &debtmr_ls, PIN_BUT_LS, EV_BUT_LS_PRESS);
|
|
events |= do_debounce(tdiff, &bstate_rs, &debtmr_rs, PIN_BUT_RS, EV_BUT_RS_PRESS);
|
|
events |= do_debounce(tdiff, &bstate_lp, &debtmr_lp, PIN_BUT_LP, EV_BUT_LP_PRESS);
|
|
events |= do_debounce(tdiff, &bstate_rp, &debtmr_rp, PIN_BUT_RP, EV_BUT_RP_PRESS);
|
|
events |= do_timer(tdiff, &timer, EV_TIMER);
|
|
events |= do_timer(tdiff, &timeout, EV_TIMEOUT);
|
|
events |= do_timer(tdiff, &tonetimer, EV_TONETIMER);
|
|
do_timer(tdiff, &lockout_l, 0);
|
|
do_timer(tdiff, &lockout_r, 0);
|
|
}
|
|
|
|
if(is_game_state(thestate)) {
|
|
// If the lockout timer is running, squash the button event
|
|
if(lockout_l)
|
|
events &= ~EV_BUT_LS_PRESS;
|
|
if(lockout_r)
|
|
events &= ~EV_BUT_RS_PRESS;
|
|
}
|
|
|
|
// A button press activates the lockout timer
|
|
if(chk_ev(EV_BUT_LS_PRESS))
|
|
lockout_l = TIME_LOCKOUT;
|
|
if(chk_ev(EV_BUT_RS_PRESS))
|
|
lockout_r = TIME_LOCKOUT;
|
|
|
|
switch(thestate) {
|
|
// Nothing to do
|
|
case ST_IDLE:
|
|
if(chk_ev(EV_BUT_LS_PRESS)) {
|
|
set_state(ST_START_L);
|
|
} else if(chk_ev(EV_BUT_RS_PRESS)) {
|
|
set_state(ST_START_R);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_IDLE;
|
|
animate_idle();
|
|
}
|
|
break;
|
|
|
|
// Game is started, waiting for left player to serve the ball
|
|
case ST_START_L:
|
|
if(chk_ev(EV_BUT_LS_PRESS)) {
|
|
set_state(ST_MOVE_LR);
|
|
} else if(chk_ev(EV_TIMEOUT)) {
|
|
set_state(ST_IDLE);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_BALL_BLINK;
|
|
if(ballblinkstate)
|
|
one_d.setPixelColor(ballpos, 255, 128, 0);
|
|
else
|
|
one_d.setPixelColor(ballpos, 0, 0, 0);
|
|
one_d.show();
|
|
ballblinkstate = !ballblinkstate;
|
|
}
|
|
break;
|
|
|
|
// Game is started, waiting for right player to serve the ball
|
|
case ST_START_R:
|
|
if(chk_ev(EV_BUT_RS_PRESS)) {
|
|
set_state(ST_MOVE_RL);
|
|
} else if(chk_ev(EV_TIMEOUT)) {
|
|
set_state(ST_IDLE);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_BALL_BLINK;
|
|
if(ballblinkstate)
|
|
one_d.setPixelColor(ballpos, 255, 128, 0);
|
|
else
|
|
one_d.setPixelColor(ballpos, 0, 0, 0);
|
|
one_d.show();
|
|
ballblinkstate = !ballblinkstate;
|
|
}
|
|
break;
|
|
|
|
// Ball is moving left-to-right outside the playback zone
|
|
case ST_MOVE_LR:
|
|
if(chk_ev(EV_TIMER)) {
|
|
if(!--tonecount) {
|
|
set_tone(NOTE_G4, TIME_TONE_MOVE);
|
|
tonecount = TONE_INTERVAL;
|
|
}
|
|
speed_to_timer();
|
|
draw_course(SHOW_LO);
|
|
draw_ball(1, ballpos);
|
|
one_d.show();
|
|
ballpos++;
|
|
if(NPIXELS-1 - ballpos <= zone_r)
|
|
set_state(ST_ZONE_R);
|
|
}
|
|
break;
|
|
|
|
// Ball is moving right-to-left outside the playback zone
|
|
case ST_MOVE_RL:
|
|
if(chk_ev(EV_TIMER)) {
|
|
if(!--tonecount) {
|
|
set_tone(NOTE_G4, TIME_TONE_MOVE);
|
|
tonecount = TONE_INTERVAL;
|
|
}
|
|
speed_to_timer();
|
|
draw_course(SHOW_LO);
|
|
draw_ball(-1, ballpos);
|
|
one_d.show();
|
|
ballpos--;
|
|
if(ballpos <= zone_l)
|
|
set_state(ST_ZONE_L);
|
|
}
|
|
break;
|
|
|
|
// Ball is in the left playback zone, waiting for hit/score
|
|
case ST_ZONE_L:
|
|
if(chk_ev(EV_BUT_LS_PRESS)) {
|
|
set_tone(NOTE_G3, TIME_TONE_BOUNCE);
|
|
set_state(ST_MOVE_LR);
|
|
// Changing speed is done after the state-change's exit/entry action
|
|
if(zone_l > 1 && button_is_down(PIN_BUT_LP)) {
|
|
zone_l--;
|
|
boosted = 1;
|
|
speed_to_timer();
|
|
boost_l++;
|
|
}
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
if(!ballpos) {
|
|
set_tone(NOTE_C5, TIME_TONE_SCORE);
|
|
if(++points_r >= WIN_POINTS)
|
|
set_state(ST_WIN_R);
|
|
else
|
|
set_state(ST_POINT_R);
|
|
} else {
|
|
speed_to_timer();
|
|
ballpos--;
|
|
}
|
|
draw_course(SHOW_LO);
|
|
draw_ball(-1, ballpos);
|
|
one_d.show();
|
|
}
|
|
break;
|
|
|
|
// Ball is in the right playback zone, waiting for hit/score
|
|
case ST_ZONE_R:
|
|
if(chk_ev(EV_BUT_RS_PRESS)) {
|
|
set_tone(NOTE_G3, TIME_TONE_BOUNCE);
|
|
set_state(ST_MOVE_RL);
|
|
// Changing speed is done after the state-change's exit/entry action
|
|
if(zone_r > 1 && button_is_down(PIN_BUT_RP)) {
|
|
zone_r--;
|
|
speed_to_timer();
|
|
boosted = 1;
|
|
boost_r++;
|
|
}
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
if(ballpos == NPIXELS-1) {
|
|
set_tone(NOTE_C5, TIME_TONE_SCORE);
|
|
if(++points_l >= WIN_POINTS)
|
|
set_state(ST_WIN_L);
|
|
else
|
|
set_state(ST_POINT_L);
|
|
} else {
|
|
speed_to_timer();
|
|
ballpos++;
|
|
}
|
|
draw_course(SHOW_LO);
|
|
draw_ball(1, ballpos);
|
|
one_d.show();
|
|
}
|
|
break;
|
|
|
|
// Left player scored, animate point
|
|
case ST_POINT_L:
|
|
if(chk_ev(EV_BUT_LS_PRESS)) {
|
|
set_state(ST_RESUME_L);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_POINT_BLINK;
|
|
draw_course(SHOW_HI);
|
|
if(!(pointblinkcount & 0x01)) {
|
|
one_d.setPixelColor(NPIXELS/2-1-(2*(points_l-1)+0), 0, 0, 0);
|
|
one_d.setPixelColor(NPIXELS/2-1-(2*(points_l-1)+1), 0, 0, 0);
|
|
} else {
|
|
one_d.setPixelColor(NPIXELS/2-1-(2*(points_l-1)+0), 255, 0, 0);
|
|
one_d.setPixelColor(NPIXELS/2-1-(2*(points_l-1)+1), 255, 0, 0);
|
|
}
|
|
one_d.show();
|
|
if(!--pointblinkcount)
|
|
set_state(ST_RESUME_L);
|
|
}
|
|
break;
|
|
|
|
// Right player scored, animate point
|
|
case ST_POINT_R:
|
|
if(chk_ev(EV_BUT_RS_PRESS)) {
|
|
set_state(ST_RESUME_R);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_POINT_BLINK;
|
|
draw_course(SHOW_HI);
|
|
if(!(pointblinkcount & 0x01)) {
|
|
one_d.setPixelColor(NPIXELS/2+(2*(points_r-1)+0), 0, 0, 0);
|
|
one_d.setPixelColor(NPIXELS/2+(2*(points_r-1)+1), 0, 0, 0);
|
|
} else {
|
|
one_d.setPixelColor(NPIXELS/2+(2*(points_r-1)+0), 0, 255, 0);
|
|
one_d.setPixelColor(NPIXELS/2+(2*(points_r-1)+1), 0, 255, 0);
|
|
}
|
|
one_d.show();
|
|
if(!--pointblinkcount)
|
|
set_state(ST_RESUME_R);
|
|
}
|
|
break;
|
|
|
|
// Left player previously scored and must serve again (or timeout to auto-serve)
|
|
case ST_RESUME_L:
|
|
if(chk_ev(EV_BUT_LS_PRESS | EV_TIMEOUT)) {
|
|
set_state(ST_MOVE_LR);
|
|
set_tone(NOTE_F3, TIME_TONE_SERVE);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_BALL_BLINK;
|
|
if(ballblinkstate)
|
|
one_d.setPixelColor(ballpos, 255, 128, 0);
|
|
else
|
|
one_d.setPixelColor(ballpos, 0, 0, 0);
|
|
one_d.show();
|
|
ballblinkstate = !ballblinkstate;
|
|
}
|
|
break;
|
|
|
|
// Right player previously scored and must serve again (or timeout to auto-serve)
|
|
case ST_RESUME_R:
|
|
if(chk_ev(EV_BUT_RS_PRESS | EV_TIMEOUT)) {
|
|
set_state(ST_MOVE_RL);
|
|
set_tone(NOTE_F3, TIME_TONE_SERVE);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_BALL_BLINK;
|
|
if(ballblinkstate)
|
|
one_d.setPixelColor(ballpos, 255, 128, 0);
|
|
else
|
|
one_d.setPixelColor(ballpos, 0, 0, 0);
|
|
one_d.show();
|
|
ballblinkstate = !ballblinkstate;
|
|
}
|
|
break;
|
|
|
|
// A player won the game, animate the winning side
|
|
case ST_WIN_L:
|
|
case ST_WIN_R:
|
|
if(chk_ev(EV_TONETIMER)) {
|
|
events &= ~EV_TONETIMER; // Remove the event so we don't get messed up with a set_tone(0, 0) below call
|
|
tune_next();
|
|
}
|
|
if(chk_ev(EV_BUT_LS_PRESS)) {
|
|
set_state(ST_START_L);
|
|
} else if(chk_ev(EV_BUT_RS_PRESS)) {
|
|
set_state(ST_START_R);
|
|
} else if(chk_ev(EV_TIMER)) {
|
|
timer = TIME_WIN_BLINK;
|
|
if(!animate_win(thestate == ST_WIN_R))
|
|
set_state(ST_IDLE);
|
|
}
|
|
break;
|
|
|
|
// If we get confused, start at idle...
|
|
default:
|
|
set_state(ST_IDLE);
|
|
break;
|
|
}
|
|
|
|
/* The sound timer is async to the rest */
|
|
/* Alternative is to handle it in each and every state */
|
|
if(chk_ev(EV_TONETIMER))
|
|
set_tone(0, 0);
|
|
|
|
}
|
|
|
|
// vim: syn=cpp
|