display values

src/icons.h

@@ -0,0 +1,50 @@
+/* http://javl.github.io/image2cpp/ */
+/* https://fontawesome.com/icons?d=gallery&m=free */
+/* https://littlevgl.com/image-to-c-array */
+
+#define ICO_HEIGHT 32
+
+// 'wifi', 40x32px
+static const uint8_t ico_wifi_height = 32;
+static const uint8_t ico_wifi_width = 40;
+static const uint8_t ico_wifi [] PROGMEM = {
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x7f, 0xff, 0xff,
+	0xe0, 0x00, 0x07, 0xff, 0xff, 0x00, 0x00, 0x00, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x3f, 0xf0, 0x00,
+	0x00, 0x00, 0x0f, 0xe0, 0x01, 0xff, 0x80, 0x07, 0xc0, 0x0f, 0xff, 0xf0, 0x03, 0x80, 0x7f, 0xff,
+	0xfe, 0x01, 0x00, 0xff, 0xff, 0xff, 0x00, 0x83, 0xff, 0xff, 0xff, 0xc1, 0xc7, 0xff, 0x00, 0xff,
+	0xe3, 0xff, 0xf8, 0x00, 0x1f, 0xff, 0xff, 0xe0, 0x00, 0x07, 0xff, 0xff, 0x80, 0x00, 0x01, 0xff,
+	0xff, 0x00, 0x00, 0x00, 0xff, 0xfe, 0x00, 0xff, 0x00, 0x7f, 0xff, 0x03, 0xff, 0xc0, 0xff, 0xff,
+	0x8f, 0xff, 0xf1, 0xff, 0xff, 0xdf, 0xff, 0xfb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+	0xc3, 0xff, 0xff, 0xff, 0xff, 0x81, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00,
+	0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0x81, 0xff,
+	0xff, 0xff, 0xff, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+};
+
+// 'wifi, 20x16px
+static const uint8_t ico_wifi16_height = 16;
+static const uint8_t ico_wifi16_width = 20;
+static const uint8_t ico_wifi16 [] PROGMEM = {
+	0xff, 0xff, 0xf0, 0xfc, 0x03, 0xf0, 0xf0, 0x00, 0xf0, 0xc0, 0x00, 0x30, 0x87, 0xfe, 0x10, 0x1f, 
+	0xff, 0x80, 0xbe, 0x07, 0xd0, 0xf8, 0x01, 0xf0, 0xf0, 0x00, 0xf0, 0xf3, 0xfc, 0xf0, 0xff, 0xff, 
+	0xf0, 0xff, 0x9f, 0xf0, 0xff, 0x0f, 0xf0, 0xff, 0x0f, 0xf0, 0xff, 0x9f, 0xf0, 0xff, 0xff, 0xf0
+};
+
+// 'user-circle', 31x32px
+static const uint8_t ico_user_circle [] PROGMEM = {
+	0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x0f, 0xff, 0xfc, 0x00, 0x07, 0xff, 0xe0, 0x00, 0x03, 0xff, 
+	0x81, 0xff, 0x03, 0xfe, 0x0f, 0xff, 0x83, 0xf8, 0x7f, 0xff, 0xc3, 0xf1, 0xf8, 0x0f, 0xc7, 0xc3, 
+	0xe0, 0x0f, 0x87, 0x0f, 0x80, 0x0f, 0x86, 0x3f, 0x1f, 0x1f, 0x8c, 0x7e, 0x3e, 0x3f, 0x10, 0xfc, 
+	0x7c, 0x7e, 0x03, 0xf8, 0xf8, 0xfe, 0x07, 0xf1, 0xf1, 0xfc, 0x0f, 0xe0, 0x03, 0xf8, 0x1f, 0xe0, 
+	0x0f, 0xf0, 0x3f, 0xe0, 0x3f, 0xe0, 0x7f, 0xff, 0xff, 0xc0, 0x7f, 0xff, 0xff, 0x08, 0xf8, 0x38, 
+	0x3e, 0x31, 0xc0, 0x00, 0x1c, 0x61, 0x00, 0x00, 0x10, 0xe0, 0x1e, 0x3c, 0x03, 0xe0, 0xff, 0xfe, 
+	0x0f, 0xc1, 0xff, 0xfc, 0x1f, 0xc1, 0xff, 0xf0, 0x7f, 0xc0, 0xff, 0x81, 0xff, 0xc0, 0x00, 0x07, 
+	0xff, 0xe0, 0x00, 0x3f, 0xff, 0xf0, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+// 'thermometer-half', 16x32px
+static const uint8_t ico_thermometer_half [] PROGMEM = {
+	0xfc, 0x3f, 0xf0, 0x0f, 0xe0, 0x07, 0xe3, 0xc7, 0xc7, 0xe3, 0xc7, 0xe3, 0xc7, 0xe3, 0xc7, 0xe3, 
+	0xc7, 0xe3, 0xc7, 0xe3, 0xc7, 0xe3, 0xc7, 0xe3, 0xc6, 0x63, 0xc4, 0x23, 0xc4, 0x23, 0xc4, 0x23, 
+	0xc4, 0x23, 0xc4, 0x23, 0xc4, 0x23, 0x84, 0x21, 0x8c, 0x31, 0x08, 0x10, 0x10, 0x08, 0x10, 0x08, 
+	0x10, 0x08, 0x10, 0x08, 0x08, 0x10, 0x8c, 0x31, 0x83, 0xc1, 0xc0, 0x03, 0xe0, 0x07, 0xf8, 0x1f
+};

src/main.cpp

@@ -13,6 +13,7 @@
 
 #include <GxEPD2_BW.h>
 #include <Fonts/FreeMonoBold9pt7b.h>
+#include <Fonts/FreeSans9pt7b.h>
 #include "bitmaps/Bitmaps128x250.h"
 #include <Adafruit_GFX.h>
 
@@ -25,6 +26,8 @@
 #include "network/XD0OTA.h"
 #include "network/XD0MQTT.h"
 
+#include "icons.h"
+
 static const char* TAG = "MAIN";
 
 WiFiMulti wifiMulti;
@@ -63,6 +66,14 @@ void helloWorld()
 }
 
 
+void displayIcoPartial(const uint8_t bitmap[], uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
+  display.setPartialWindow(x, y, w, h);
+  display.firstPage(); do {
+    display.drawInvertedBitmap(x, y, bitmap, w, h, GxEPD_BLACK);
+  } while (display.nextPage());
+}
+
+
 void printValues() {
     #define SEALEVELPRESSURE_HPA (1013.25)
     Serial.print("Temperature = ");
@@ -138,6 +149,7 @@ void setup()
     Serial.println("WiFi connected");
     Serial.println("IP address: ");
     Serial.println(WiFi.localIP());
+    displayIcoPartial(ico_wifi16, display.width()-20, 0, ico_wifi_width, ico_wifi_height);
   }
 
   ESP_LOGD(TAG, "trying to fetch over-the-air update");
@@ -161,28 +173,30 @@ void loop()
   if (millis() - lastDisplayUpdate >= 2*60*1000) {
     lastDisplayUpdate = millis();
     display.setFullWindow();
-    display.setRotation(0);
+    display.setRotation(1);
     display.firstPage();
     do
     {
       display.fillScreen(GxEPD_WHITE);
       display.setTextColor(GxEPD_BLACK);
-      display.setFont(&FreeMonoBold9pt7b);
-      display.setCursor(0, 0);
+      display.setFont(&FreeSans9pt7b);
+      display.setTextWrap(false);
+      display.setCursor(0, 11);
       display.println("ESP32-Wetterstation");
-      display.println();
+      display.drawFastHLine(0, 14, display.width(), GxEPD_BLACK);
+      display.setCursor(0, 32);
       display.print("Temperatur: ");
       display.print(bme.readTemperature());
       display.println(" *C");
       display.print("Luftfeuchte: ");
       display.print(bme.readHumidity());
-      display.println(" %%");
+      display.println(" %");
       display.print("Luftdruck:");
       display.print(bme.readPressure() / 100.0F);
       display.println(" hPa");
     }
     while (display.nextPage());
-
+    display.powerOff();
   }
 /*
   unsigned long endTime = bme.beginReading();