use hardware i2s, fix various minor things

src/main.cpp

@@ -54,7 +54,7 @@
 #include "rotary.h"
 #include "screen.h"
 
-U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0, /* clock=*/ 15, /* data=*/ 4, /* reset=*/ 16);
+U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ 16, /* clock=*/ 15, /* data=*/ 4);
 
 //Create a new Basecamp instance called iot
 Basecamp iot;
@@ -62,6 +62,7 @@ Basecamp iot;
 WiFiUDP ntpUDP;
 NTPClient timeClient(ntpUDP, "de.pool.ntp.org", 3600, 60000);
 char timeStr[20];
+char weatherStr[32];
 
 BME280 bme280;
 MP3 mp3;
@@ -70,6 +71,7 @@ Screen* screen;
 
 menuType menuChange = eNone;
 uint32_t lastButtonPress = 0;
+uint32_t lastUpdate = 0;
 
 //Variables for the sensor and the battery
 static const int buttonPin = 0;
@@ -283,17 +285,24 @@ void rotation(int i, int direction, int buttonPressed) {
 
 void loop()
 {
+  if(millis() - lastUpdate >= 1000) {
+    lastUpdate = millis();
     timeClient.update();
     timeClient.getFormattedTime().toCharArray(timeStr, 50);
 
+    sprintf(weatherStr, "%.1f°C  %.1f%%  %.0fhPa", bme280.readTemperature(), bme280.readHumidity(), bme280.readPressure());
+  }
+
   if (menuChange != eNone) {
     delete screen;
     if (menuChange == eMainScreen) screen = new MainScreen();
-    if (menuChange == eMainMenu) screen = new MainMenu();
+    else if (menuChange == eMainMenu) screen = new MainMenu();
+    else if (menuChange == eStationMenu) screen = new StationMenu();
+    else screen = new MainScreen();
     menuChange = eNone;
   }
 
   screen->draw();
 
-  delay(200);
+  delay(100);
 }

src/screen.cpp

@@ -22,7 +22,7 @@ void SelectionList::draw() {
   u8g2.drawLine(0,header_height,u8g2.getDisplayWidth(),header_height);
 
   /* draw menu items */
-  u8g2.setFont(u8g2_font_9x18B_tr);
+  u8g2.setFont(u8g2_font_8x13B_tr);
   int length = std::min(visible, (uint8_t)string_list.size());
   for (int i=0; i<length; i++) {
       u8g2.drawUTF8(item_x_offset,header_height+2+(i+1)*item_height,string_list[top_item+i].c_str());
@@ -58,19 +58,10 @@ uint8_t SelectionList::select() {
 MainMenu::MainMenu() {
     string_list = {
       "PLAY",
-      "80s Planet",
+      "Radio Stations",
-      "Left Coast 70s",
-      "laradio Ska",
-      "French Quarter Jams",
       "test",
       "test3",
-      "Radio Kol Yavne",
+      "« Return"};
-      "ROCKIN626.COM",
-      "Jive Time Radio",
-      "Live Ireland",
-      "Ye Ol Celtic Pub",
-      "Gone Country - NZCMR",
-      "Return"};
     if (mp3.playing) {
       string_list[0] = "STOP";
     }
@@ -87,39 +78,77 @@ uint8_t MainMenu::select() {
       }
       break;
     case 1:
-        mp3.start("http://streaming.shoutcast.com/80sPlanet?lang=en-US");
+      menuChange = eStationMenu;
+      return current_pos;
       break;
     case 2:
-        mp3.start("http://ice1.somafm.com/seventies-128-mp3");
+      iot.mqtt.publish(topic.c_str(), 1, true, "test" );
       break;
     case 3:
-        mp3.start("http://streaming.radionomy.com/laradiostrong?lang=de");
+      iot.mqtt.publish(topic.c_str(), 1, true, "foo" );
       break;
     case 4:
+      menuChange = eMainScreen;
+      break;
+    default:
+      Serial.println("unknown entry selected");
+      break;
+  }
+  menuChange = eMainScreen;
+  return current_pos;
+}
+
+StationMenu::StationMenu() {
+    string_list = {
+      "80s Planet",
+      "Left Coast 70s",
+      "laradio Ska",
+      "French Quarter Jams",
+      "Radio Kol Yavne",
+      "ROCKIN626.COM",
+      "Jive Time Radio",
+      "Live Ireland",
+      "Ye Ol Celtic Pub",
+      "Gone Country - NZCMR",
+      "« Return"};
+}
+
+uint8_t StationMenu::select() {
+  switch (current_pos) {
+    case 0:
+        mp3.start("http://streaming.shoutcast.com/80sPlanet?lang=en-US");
+      break;
+    case 1:
+        mp3.start("http://ice1.somafm.com/seventies-128-mp3");
+      break;
+    case 2:
+        mp3.start("http://streaming.radionomy.com/laradiostrong?lang=de");
+      break;
+    case 3:
         mp3.start("http://184.171.163.20:8162/stream");
       break;
-    case 5:
+    case 4:
-      iot.mqtt.publish(topic.c_str(), 1, true, "test" );
-    case 6:
-      iot.mqtt.publish(topic.c_str(), 1, true, "foo" );
-    case 7:
         mp3.start("http://212.83.129.92:8028/;?type=http&nocache=683");
       break;
-    case 8:
+    case 5:
         mp3.start("http://192.99.4.210:3574/stream");
       break;
-    case 9:
+    case 6:
         mp3.start("http://188.165.192.5:8279/stream?icy=http");
       break;
-    case 10:
+    case 7:
         mp3.start("http://69.167.190.234:8080/stream");
       break;
-    case 11:
+    case 8:
         mp3.start("http://192.240.102.133:11790/stream");
       break;
-    case 12:
+    case 9:
         mp3.start("http://192.99.41.102:5044/stream");
       break;
+    case 10:
+      menuChange = eMainMenu;
+      return current_pos;
+      break;
     default:
       Serial.println("unknown entry selected");
       break;
@@ -138,14 +167,14 @@ void MainScreen::draw() {
   if(millis() - lastVolumeChange <= 1000) {
     //u8g2.drawXBMP(0,0, IMG_1872_width, IMG_1872_height, IMG_1872_bits);
     u8g2.setFont(u8g2_font_inb19_mf);
-    u8g2.drawStr(20, 20, "Volume");
+    u8g2.drawStr(15, 20, "Volume");
 
     u8g2.drawRBox(10, 28, 108, 22, 5);
     u8g2.setDrawColor(0);
-    u8g2.drawBox(14+volume, 31, 100-volume, 14);
+    u8g2.drawBox(14+volume, 31, 100-volume, 16);
     char volumeStr[6];
-    sprintf(volumeStr, "%d %%", volume);
+    sprintf(volumeStr, "%3d %%", volume);
-    u8g2.setFont(u8g2_font_crox3cb_mf);
+    u8g2.setFont(u8g2_font_profont17_mf);
     u8g2.setFontMode(1);
     u8g2.setDrawColor(2);
     u8g2.drawStr(40, 45, volumeStr);
@@ -155,20 +184,27 @@ void MainScreen::draw() {
 
     u8g2.setFont(u8g2_font_inb19_mf);
     u8g2.drawStr(0, 20, timeStr);
-
-    char weather[32];
     u8g2.setFont(u8g2_font_profont12_mf); // choose a suitable font
-    sprintf(weather, "%.1f°C  %.1f%%  %.0fhPa", bme280.readTemperature(), bme280.readHumidity(), bme280.readPressure());
+    u8g2.drawUTF8(0, 30, weatherStr);
-    u8g2.drawUTF8(0, 30, weather);
     u8g2.setFont(u8g2_font_prospero_bold_nbp_tf); // choose a suitable font
 
     u8g2_uint_t width = u8g2.getUTF8Width(titleStr); // calculate the pixel width of the text
+
+    if (width > u8g2.getDisplayWidth()) {
+      u8g2_uint_t x = titleStr_offset;
+      do {								// repeated drawing of the scrolling text...
+        u8g2.drawUTF8(x, 54, titleStr);			// draw the scolling text
+        x += width;						// add the pixel width of the scrolling text
+      } while( x < u8g2.getDisplayWidth() ); // draw again until the complete display is filled
+
 								// repeated drawing of the scrolling text...
-    u8g2.drawUTF8(titleStr_offset, 54, titleStr);			// draw the scolling text
 
       titleStr_offset-=4;							// scroll by one pixel
       if ( (u8g2_uint_t)titleStr_offset < (u8g2_uint_t)-width )
-      titleStr_offset = 0; // start over again // u8g2.getDisplayWidth()
+        titleStr_offset = 0; // start over again
+      } else {
+        u8g2.drawUTF8((u8g2.getDisplayWidth()-width)/2, 54, titleStr);
+      }
   }
   u8g2.sendBuffer();
 //  bme280.printValues();

src/screen.h

@@ -20,10 +20,11 @@
 #include "BME280.h"
 #include "image.h"
 
-enum menuType { eNone=0, eMainScreen, eMainMenu };
+enum menuType { eNone=0, eMainScreen, eMainMenu, eStationMenu };
 
-extern U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2;
+extern U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2;
 extern char timeStr[];
+extern char weatherStr[];
 extern BME280 bme280;
 extern MP3 mp3;
 extern menuType menuChange;
@@ -67,13 +68,6 @@ class SelectionList : public Screen {
     uint8_t visible = 4;
 };
 
-class MainMenu : public SelectionList {
-  public:
-    MainMenu();
-    uint8_t select(void) override;
-  private:
-};
-
 class MainScreen : public Screen {
   public:
     void draw(void) override;
@@ -87,4 +81,18 @@ class MainScreen : public Screen {
     uint8_t volume = 20;
 };
 
+class MainMenu : public SelectionList {
+  public:
+    MainMenu();
+    uint8_t select(void) override;
+  private:
+};
+
+class StationMenu : public SelectionList {
+  public:
+    StationMenu();
+    uint8_t select(void) override;
+  private:
+};
+
 #endif /* _SCREEN_H */