From 7d7b76872f38845437af702ff7d50fb23e8a56f9 Mon Sep 17 00:00:00 2001 From: Yannik Enss Date: Sun, 7 Jul 2019 14:01:58 +0200 Subject: [PATCH] init --- mpdclient.ino | 425 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 425 insertions(+) create mode 100644 mpdclient.ino diff --git a/mpdclient.ino b/mpdclient.ino new file mode 100644 index 0000000..3789de8 --- /dev/null +++ b/mpdclient.ino @@ -0,0 +1,425 @@ +#include +#include +#include +#include +#include + +#define SCREEN_WIDTH 128 // OLED display width, in pixels +#define SCREEN_HEIGHT 32 // OLED display height, in pixels + +Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1); + +#define MPDHOST "music.yannik.intern.yannikenss.de" +#define MPDPORT 6600 + +#define BUTTON_NEXT 14 +#define BUTTON_PAUSE 12 +#define BUTTON_VOLUP 13 +#define BUTTON_VOLDN 0 + +const char* ssid = "hiddennetworkforchromecast"; +const char* password = "raisingelephantsissoutterlyboring"; + +WiFiClient espClient; + +// 'volume', 32x32px +const unsigned char volume_icon [] PROGMEM = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x02, 0x07, 0xc0, + 0x00, 0x07, 0x01, 0xe0, 0x00, 0x0f, 0x00, 0x70, 0x00, 0x1f, 0x18, 0x38, 0x00, 0x3f, 0x1e, 0x1c, + 0x00, 0x7f, 0x0f, 0x1c, 0x00, 0xff, 0x03, 0x8e, 0x01, 0xff, 0x01, 0x8e, 0xff, 0xff, 0x71, 0xc6, + 0xff, 0xff, 0x78, 0xc7, 0xff, 0xff, 0x38, 0xe7, 0xff, 0xff, 0x1c, 0x63, 0xff, 0xff, 0x1c, 0x63, + 0xff, 0xff, 0x1c, 0x63, 0xff, 0xff, 0x1c, 0x63, 0xff, 0xff, 0x38, 0xe7, 0xff, 0xff, 0x78, 0xc7, + 0xff, 0xff, 0x71, 0xc6, 0x03, 0xff, 0x01, 0x86, 0x00, 0xff, 0x03, 0x8e, 0x00, 0x7f, 0x0f, 0x1c, + 0x00, 0x3f, 0x1e, 0x1c, 0x00, 0x1f, 0x18, 0x38, 0x00, 0x0f, 0x00, 0x70, 0x00, 0x07, 0x01, 0xe0, + 0x00, 0x02, 0x07, 0xc0, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00 +}; +// 'play_pause-512', 128x32px +const unsigned char playpause_icon [] PROGMEM = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x3c, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xc0, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xf0, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xfc, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xfe, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xfe, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xfc, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xf0, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xc0, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x3c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x3c, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +// 'bitmap', 128x32px +const unsigned char fastforward_icon [] PROGMEM = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x01, 0xc0, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xc0, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xe0, 0x01, 0xf8, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xf8, 0x01, 0xfe, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xfe, 0x01, 0xff, 0x80, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0x81, 0xff, 0xe0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xc1, 0xff, 0xf0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xf1, 0xff, 0xfc, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xfd, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xfd, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xf1, 0xff, 0xfc, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0xc1, 0xff, 0xf0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 0x81, 0xff, 0xe0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xfe, 0x01, 0xff, 0x80, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xf8, 0x01, 0xfe, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xe0, 0x01, 0xf8, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xc0, 0x01, 0xf0, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x01, 0xc0, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + + + +bool flag_next = false; +bool flag_pause = false; +bool flag_volup = false; +bool flag_voldn = false; + +bool inhibit = false; +Ticker inhibit_ticker; + +void reset_inhibit() { + inhibit = false; +} + +void set_flag_pause() { + if (!inhibit) { + flag_pause = true; + inhibit = true; + inhibit_ticker.once_ms(1000, reset_inhibit); + } +} +void set_flag_next() { + if (!inhibit) { + flag_next = true; + inhibit = true; + inhibit_ticker.once_ms(1000, reset_inhibit); + } +} +void set_flag_volup() { + if (!inhibit) { + flag_volup = true; + inhibit = true; + inhibit_ticker.once_ms(1000, reset_inhibit); + } +} +void set_flag_voldn() { + if (!inhibit) { + flag_voldn = true; + inhibit = true; + inhibit_ticker.once_ms(1000, reset_inhibit); + } +} + +void setup() { + Serial.begin(9600); + + + // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally + if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32 + Serial.println(F("SSD1306 allocation failed")); + for(;;); // Don't proceed, loop forever + } + + // Clear the buffer + display.clearDisplay(); + + display.display(); + + setup_wifi(); + + delay(1000); + + pinMode(BUTTON_NEXT, INPUT_PULLUP); + pinMode(BUTTON_PAUSE, INPUT_PULLUP); + pinMode(BUTTON_VOLUP, INPUT_PULLUP); + pinMode(BUTTON_VOLDN, INPUT_PULLUP); + attachInterrupt(digitalPinToInterrupt(BUTTON_NEXT), set_flag_next, FALLING); + attachInterrupt(digitalPinToInterrupt(BUTTON_PAUSE), set_flag_pause, FALLING); + attachInterrupt(digitalPinToInterrupt(BUTTON_VOLUP), set_flag_volup, FALLING); + attachInterrupt(digitalPinToInterrupt(BUTTON_VOLDN), set_flag_voldn, FALLING); + + + display_song_info(); + + +} + +void loop() { + for (int i = 0; i<10; i++) { + delay(100); + if (flag_next) { + next_song(); + } else if (flag_pause) { + toggle_pause(); + } else if (flag_volup) { + display_volume(); + volume_up(); + delay(10); + display_volume(); + delay(500); + while (!digitalRead(BUTTON_VOLUP)) { + volume_up(); + delay(10); + display_volume(); + delay(250); + } + } else if (flag_voldn) { + display_volume(); + delay(10); + volume_down(); + display_volume(); + delay(500); + while (!digitalRead(BUTTON_VOLDN)) { + volume_down(); + delay(10); + display_volume(); + delay(250); + } + } + + flag_next = false; + flag_pause = false; + flag_volup = false; + flag_voldn = false; + + } + display_song_info(); +} + +void display_error(char* error) { + display.clearDisplay(); + display.setCursor(0, 0); + display.println("Error:"); + display.println(error); + display.display(); +} + +void send_command(String command) { + WiFiClient client; + + client.connect(MPDHOST, MPDPORT); + client.println(command); + while (client.available()) { + Serial.write(client.read()); + } + client.stop(); +} + +void next_song() { + display.clearDisplay(); + display.drawBitmap(0, 0, fastforward_icon, 128 ,32, WHITE); + display.display(); + + send_command("next"); + + delay(250); +} + +void toggle_pause() { + display.clearDisplay(); + display.drawBitmap(0, 0, playpause_icon, 128 ,32, WHITE); + display.display(); + + send_command("pause"); + + delay(250); +} + +void volume_up() { + send_command("volume 1"); +} + +void volume_down() { + send_command("volume -1"); +} + +int get_volume() { + WiFiClient client; + String vol_str; + + if (client.connect(MPDHOST, MPDPORT)) { + Serial.println("connected"); + client.print("status\n"); + + while (client.connected() || client.available()) + { + if (client.available()) + { + String line = client.readStringUntil('\n'); + if (line.startsWith("volume: ")) { + vol_str = line.substring(8); + } + else if (line.equals("OK")) { + client.stop(); + } + } + } + + client.stop(); + Serial.println("connection done"); + } + else { + display_error("mpd connect failed"); + client.stop(); + return; + } + + return atoi(vol_str); +} + +void display_volume() { + WiFiClient client; + + String volume; + + if (client.connect(MPDHOST, MPDPORT)) { + Serial.println("connected"); + client.print("status\n"); + + while (client.connected() || client.available()) + { + if (client.available()) + { + String line = client.readStringUntil('\n'); + if (line.startsWith("volume: ")) { + volume = line.substring(8); + } + else if (line.equals("OK")) { + client.stop(); + } + } + } + + client.stop(); + Serial.println("connection done"); + } + else { + display_error("mpd connect failed"); + client.stop(); + return; + } + + display.clearDisplay(); + display.drawBitmap(0, 0, volume_icon, 32, 32, WHITE); + + display.setTextSize(2); // Draw 2X-scale text + display.setTextColor(WHITE); + display.setCursor(40, 8); + display.setTextWrap(false); + display.println(volume); + display.display(); // Show initial text +} + +void display_song_info() { + WiFiClient client; + + String title; + String artist; + + if (client.connect(MPDHOST, MPDPORT)) { + Serial.println("connected"); + client.print("currentsong\n"); + + while (client.connected() || client.available()) + { + if (client.available()) + { + String line = client.readStringUntil('\n'); + if (line.startsWith("Title: ")) { + title = line.substring(7); + } + else if (line.startsWith("Artist: ")) { + artist = line.substring(8); + } + else if (line.equals("OK")) { + client.stop(); + } + } + } + + client.stop(); + Serial.println("connection done"); + } + else { + display_error("mpd connect failed"); + client.stop(); + return; + } + + display.clearDisplay(); + + display.setTextSize(2); // Draw 2X-scale text + display.setTextColor(WHITE); + display.setCursor(0, 0); + display.setTextWrap(false); + display.println(title); + display.println(artist); + display.display(); // Show initial text +} + + +void setup_wifi() { + display.clearDisplay(); + display.setTextColor(WHITE); + display.setTextSize(1); + display.setCursor(0, 0); + display.setTextWrap(true); + + delay(10); + // We start by connecting to a WiFi network + display.print("Network: "); + display.print(ssid); + display.display(); + + WiFi.begin(ssid, password); + + while (WiFi.status() != WL_CONNECTED) { + delay(500); + display.print("."); + display.display(); + } + + display.println(""); + display.println("WiFi connected"); + display.print("IP: "); + display.println(WiFi.localIP()); + display.display(); +}