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286 lines
6.5 KiB
286 lines
6.5 KiB
/*
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RiTCh Lightshow
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Simple Arduino based MP3/DMX player which can be triggered by buttons.
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(c)2024 by H. Wirtz <wirtz@parasitstudio.de>
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*/
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/*
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TODO:
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-
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*/
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#include <SoftwareSerial.h>
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#include <DFRobotDFPlayerMini.h>
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#include <DmxSimple.h>
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#include <EEPROM.h>
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#include "looper.h"
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#define DEBUG 1
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#define SENSOR_SCHED 10
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#define WORKER_SCHED 100
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#define LED_SCHED 50
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#define LEVEL_CHECK_SCHED 100
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#define DEBUG_SCHED 500
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#define BUTTON_LONG_PRESS 1000
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#define MIN_TIME_SWITCH_PRESSED 50
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#define LED_NORMAL_BRIGHTNESS 180
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#define LED_PLAY_BRIGHTNESS 20
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#define DMX_MAX_CHANNEL 512
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#define MAX_VOL_LEVEL 30
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#define MAX_DMX_LEVEL 255
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// Arduino pins
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#define POTI1_PIN A1
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#define POTI2_PIN A2
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#define POTI3_PIN A3
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#define POTI4_PIN A4
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#define BUTTON1_PIN 4
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#define BUTTON2_PIN 5
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#define BUTTON3_PIN 6
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#define BUTTON4_PIN 7
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#define DMX_PIN 8
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#define LED_PIN 9
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#define MP3_RX_PIN 10
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#define MP3_TX_PIN 11
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#define BUSY_PIN 12
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uint8_t button_state;
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uint32_t button_time[4] = { 0, 0, 0, 0 };
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uint8_t poti_level[4] = { 0, 0, 0, 0 };
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uint8_t brightness = LED_NORMAL_BRIGHTNESS;
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typedef struct {
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uint16_t address = 0;
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uint32_t values = 0;
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uint16_t steps = 0;
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float diff[4] = { 0.0, 0.0, 0.0, 0.0 };
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} dmx_spot;
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dmx_spot spot[1];
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// schedular
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looper sched;
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// setup audio card
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SoftwareSerial mySoftwareSerial(MP3_RX_PIN, MP3_TX_PIN); // RX, TX
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DFRobotDFPlayerMini myDFPlayer;
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//--------------------------------------------------------------------------------
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// THREADS
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//--------------------------------------------------------------------------------
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void button_check(void) {
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byte i;
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for (i = 0; i < 4; i++) {
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uint16_t b = button(i);
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if (b > BUTTON_LONG_PRESS && !bitRead(button_state, i)) {
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// long press
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Serial.print(F("Button["));
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Serial.print(i + 1, DEC);
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Serial.println(F("]: long"));
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button_time[i] = 0;
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do_button_long(i);
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} else if (b > MIN_TIME_SWITCH_PRESSED && !bitRead(button_state, i)) {
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// short press
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Serial.print(F("Button["));
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Serial.print(i + 1, DEC);
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Serial.println(F("]: short"));
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button_time[i] = 0;
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do_button_short(i);
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}
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}
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}
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void level_check(void) {
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uint8_t i;
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uint8_t poti_lvl;
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for (i = 0; i < 4; i++) {
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poti_lvl = map(analogRead(poti_pin_by_number(i)), 15, 1023, 0, 255);
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if (poti_lvl != poti_level[i]) {
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poti_level[i] = poti_lvl;
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Serial.print(F("Poti["));
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Serial.print(i + 1, DEC);
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Serial.print(F("]: "));
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Serial.println(poti_level[i]);
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do_level(i);
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}
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}
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}
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void show_led(void) {
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analogWrite(LED_PIN, LED_PLAY_BRIGHTNESS);
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}
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void worker(void) {
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for (uint8_t s = 0; s < MAX_DMX_SPOTS; s++) {
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uint8_t r = (spot[0].values >> 3);
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uint8_t g = (spot[0].values >> 2);
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uint8_t b = (spot[0].values >> 1);
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uint8_t a = (spot[0].values & 0xff);
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if (spot[s].)
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}
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}
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//--------------------------------------------------------------------------------
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// HELPER FUNCTIONS
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//--------------------------------------------------------------------------------
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void do_level(uint8_t p) {
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Serial.print("LEVEL ");
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Serial.println(p);
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DmxSimple.write(1 + p, poti_level[p]);
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}
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void do_button_long(uint8_t b) {
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Serial.print("LONG ");
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Serial.println(b);
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}
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void do_button_short(uint8_t b) {
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Serial.print("SHORT ");
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Serial.println(b);
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}
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uint32_t button(byte button_nr) {
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byte button = button_pin_by_number(button_nr);
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if (digitalRead(button) == LOW) {
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if (!bitRead(button_state, button_nr)) {
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bitSet(button_state, button_nr);
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button_time[button_nr] = millis();
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} else {
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if (button_time[button_nr] > millis())
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return (0xffff - button_time[button_nr] + millis()); // overflow-protection
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else
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return (millis() - button_time[button_nr]);
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}
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} else {
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if (bitRead(button_state, button_nr)) {
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bitWrite(button_state, button_nr, 0);
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if (button_time[button_nr] > millis())
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return (0xffff - button_time[button_nr] + millis()); // overflow-protection
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else
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return (millis() - button_time[button_nr]);
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}
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}
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return (0);
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}
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uint8_t button_pin_by_number(byte n) {
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switch (n) {
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case 0:
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return (BUTTON1_PIN);
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break;
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case 1:
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return (BUTTON2_PIN);
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break;
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case 2:
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return (BUTTON3_PIN);
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break;
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case 3:
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return (BUTTON4_PIN);
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break;
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}
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return (0);
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}
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uint8_t poti_pin_by_number(byte n) {
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switch (n) {
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case 0:
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return (POTI1_PIN);
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break;
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case 1:
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return (POTI2_PIN);
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break;
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case 2:
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return (POTI3_PIN);
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break;
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case 3:
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return (POTI4_PIN);
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break;
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}
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return (0);
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}
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//--------------------------------------------------------------------------------
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// SYSTEM
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//--------------------------------------------------------------------------------
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void setup() {
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Serial.begin(9600);
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#ifdef __AVR_ATmega32U4__
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while (!Serial) {
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; // wait for serial port to connect. Needed for Leonardo only
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}
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#endif
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Serial.println("<setup begin>");
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mySoftwareSerial.begin(9600);
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// setup poti pins
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pinMode(POTI1_PIN, INPUT_PULLUP);
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pinMode(POTI2_PIN, INPUT_PULLUP);
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pinMode(POTI3_PIN, INPUT_PULLUP);
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pinMode(POTI4_PIN, INPUT_PULLUP);
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// setup button pins
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pinMode(BUTTON1_PIN, INPUT_PULLUP);
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pinMode(BUTTON2_PIN, INPUT_PULLUP);
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pinMode(BUTTON3_PIN, INPUT_PULLUP);
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pinMode(BUTTON4_PIN, INPUT_PULLUP);
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// setup mp3 busy pin
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pinMode(BUSY_PIN, INPUT_PULLUP);
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// setup LED pin
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pinMode(LED_PIN, OUTPUT);
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// setup DMX
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DmxSimple.usePin(DMX_PIN);
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DmxSimple.maxChannel(DMX_MAX_CHANNEL);
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// DMX setup
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spot[0].address = 1;
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// setup audio card
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Serial.println(F("Initializing DFPlayer ... (May take 3~5 seconds)"));
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for (uint8_t n = 0; n < 3; n++) {
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if (!myDFPlayer.begin(mySoftwareSerial)) { //Use softwareSerial to communicate with mp3.
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Serial.print(F("Unable use DFPlayer: "));
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Serial.println(n, DEC);
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for (uint8_t i = 0; i < 3; i++) {
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analogWrite(LED_PIN, LED_PLAY_BRIGHTNESS);
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delay(100);
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analogWrite(LED_PIN, LED_PLAY_BRIGHTNESS);
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delay(100);
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}
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} else {
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Serial.println(F("DFPlayer Mini online."));
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myDFPlayer.setTimeOut(500); //Set serial communictaion time out 500ms
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break;
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}
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}
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myDFPlayer.outputDevice(DFPLAYER_DEVICE_SD);
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// init schedular
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sched.addJob(button_check, SENSOR_SCHED);
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sched.addJob(level_check, LEVEL_CHECK_SCHED);
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sched.addJob(worker, WORKER_SCHED);
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sched.addJob(show_led, LED_SCHED);
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Serial.println("<setup end>");
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}
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void loop() {
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sched.scheduler();
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}
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