Add initialisation checks

.gitignore

@@ -0,0 +1 @@
+config.json

NewDisplayDriver/esphub/bitmap.cpp

@@ -612,3 +612,39 @@ const unsigned char esphub_lrg [] PROGMEM = {
 	0x00, 0x00, 0x00, 0x07, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
 	0x00, 0x7f, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00
 };
+
+const unsigned char sun [] PROGMEM = {
+	// 'sun, 64x64px
+	0xff, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 
+	0xff, 0xef, 0xff, 0xf8, 0x1f, 0xff, 0xf7, 0xff, 0xff, 0x87, 0xff, 0xfc, 0x3f, 0xff, 0xe1, 0xff, 
+	0xff, 0x83, 0xff, 0xfe, 0x7f, 0xff, 0xc1, 0xff, 0xff, 0x81, 0xff, 0xff, 0xff, 0xff, 0x80, 0xff, 
+	0xff, 0x80, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0xc0, 0x7f, 0xff, 0xff, 0xfe, 0x03, 0xff, 
+	0xff, 0xe0, 0x3f, 0xff, 0xff, 0xfc, 0x07, 0xff, 0xff, 0xf0, 0x3f, 0xff, 0xff, 0xfc, 0x0f, 0xff, 
+	0xff, 0xf8, 0x7f, 0xf0, 0x0f, 0xfe, 0x1f, 0xff, 0xff, 0xfc, 0xff, 0x80, 0x01, 0xff, 0x3f, 0xff, 
+	0xff, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x3f, 0xff, 0xff, 
+	0xff, 0xff, 0xf8, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x03, 0xc0, 0x0f, 0xff, 0xff, 
+	0xff, 0xff, 0xe0, 0x1f, 0xf8, 0x07, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x3f, 0xfc, 0x03, 0xff, 0xff, 
+	0xff, 0xff, 0xc0, 0x7f, 0xfe, 0x03, 0xff, 0xff, 0xff, 0xff, 0x80, 0xff, 0xff, 0x01, 0xff, 0xff, 
+	0xff, 0xff, 0x81, 0xff, 0xff, 0x81, 0xff, 0xff, 0xff, 0xff, 0x83, 0xff, 0xff, 0xc1, 0xff, 0xff, 
+	0xff, 0xff, 0x03, 0xff, 0xff, 0xc0, 0xff, 0xff, 0xc0, 0x7f, 0x03, 0xff, 0xff, 0xc0, 0xfe, 0x03, 
+	0x00, 0x3f, 0x07, 0xff, 0xff, 0xe0, 0xfc, 0x00, 0x00, 0x1f, 0x07, 0xff, 0xff, 0xe0, 0xf8, 0x00, 
+	0x00, 0x1f, 0x07, 0xff, 0xff, 0xe0, 0xf8, 0x00, 0x00, 0x3f, 0x07, 0xff, 0xff, 0xe0, 0xfc, 0x00, 
+	0xc0, 0x7f, 0x03, 0xff, 0xff, 0xc0, 0xfe, 0x03, 0xff, 0xff, 0x03, 0xff, 0xff, 0xc0, 0xff, 0xff, 
+	0xff, 0xff, 0x83, 0xff, 0xff, 0xc1, 0xff, 0xff, 0xff, 0xff, 0x81, 0xff, 0xff, 0x81, 0xff, 0xff, 
+	0xff, 0xff, 0x80, 0xff, 0xff, 0x01, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x7f, 0xfe, 0x03, 0xff, 0xff, 
+	0xff, 0xff, 0xe0, 0x3f, 0xfc, 0x07, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x1f, 0xf8, 0x07, 0xff, 0xff, 
+	0xff, 0xff, 0xf0, 0x03, 0xc0, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x1f, 0xff, 0xff, 
+	0xff, 0xff, 0xfc, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 
+	0xff, 0xfc, 0xff, 0x80, 0x01, 0xff, 0x3f, 0xff, 0xff, 0xf8, 0x7f, 0xf0, 0x0f, 0xfe, 0x1f, 0xff, 
+	0xff, 0xf0, 0x3f, 0xff, 0xff, 0xfc, 0x0f, 0xff, 0xff, 0xe0, 0x3f, 0xff, 0xff, 0xfc, 0x07, 0xff, 
+	0xff, 0xc0, 0x7f, 0xff, 0xff, 0xfe, 0x03, 0xff, 0xff, 0x80, 0xff, 0xff, 0xff, 0xff, 0x01, 0xff, 
+	0xff, 0x81, 0xff, 0xff, 0xff, 0xff, 0x81, 0xff, 0xff, 0x83, 0xff, 0xfe, 0x7f, 0xff, 0xc1, 0xff, 
+	0xff, 0x87, 0xff, 0xfc, 0x3f, 0xff, 0xe1, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 
+	0xff, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff
+};

NewDisplayDriver/esphub/bitmap.h

@@ -4,5 +4,6 @@
 #include <Arduino.h>
 
 extern const unsigned char esphub_lrg [] PROGMEM;
+extern const unsigned char sun [] PROGMEM;
 
 #endif

NewDisplayDriver/esphub/config_loader.cpp

@@ -0,0 +1,44 @@
+#include "config_loader.h"
+
+#include <LittleFS.h>
+#include <ArduinoJson.h>
+
+Config loadConfig() {
+  Config config;
+
+  if (!LittleFS.begin()) {
+    return config;
+  }
+
+  File configFile = LittleFS.open("/config.json", "r");
+  if (!configFile) {
+    return config;
+  }
+
+  StaticJsonDocument<1024> doc;
+  DeserializationError error = deserializeJson(doc, configFile);
+  if (error) {
+    configFile.close();
+    return config;
+  }
+
+  configFile.close();
+
+  config.ssid = doc["ssid"] | "";
+  config.wifiPass = doc["wifiPass"] | "";
+  config.latitude = doc["latitude"] | 0.0;
+  config.longitude = doc["longitude"] | 0.0;
+  config.haKey = doc["haKey"] | "";
+  config.homeEntity = doc["homeEntity"] | "";
+  config.haUrl = doc["haUrl"] | "";
+  config.calUser = doc["calUser"] | "";
+  config.calKey = doc["calKey"] | "";
+  config.ncUrl = doc["ncUrl"] | "";
+
+  JsonArray calUrls = doc["calUrls"];
+  for (JsonVariant url : calUrls) {
+    config.calUrls.push_back(url.as<String>());
+  }
+
+  return config;
+}

NewDisplayDriver/esphub/config_loader.h

@@ -0,0 +1,24 @@
+#ifndef CONFIG_LOADER_H
+#define CONFIG_LOADER_H
+
+#include <Arduino.h>
+#include <vector>
+
+// Config structure
+struct Config {
+    String ssid;
+    String wifiPass;
+    float latitude = 0.0;
+    float longitude = 0.0;
+    String haKey;
+    String homeEntity;
+    String haUrl;
+    String calUser;
+    String calKey;
+    std::vector<String> calUrls;
+    String ncUrl;
+};
+
+Config loadConfig();
+
+#endif

NewDisplayDriver/esphub/esphub.ino

@@ -12,13 +12,9 @@
 
 // somehow there should be an easier way to do this
 #define GxEPD2_BW_IS_GxEPD2_BW true
-//#define GxEPD2_3C_IS_GxEPD2_3C true
-//#define GxEPD2_7C_IS_GxEPD2_7C true
 #define GxEPD2_1248_IS_GxEPD2_1248 true
 #define IS_GxEPD(c, x) (c##x)
 #define IS_GxEPD2_BW(x) IS_GxEPD(GxEPD2_BW_IS_, x)
-//#define IS_GxEPD2_3C(x) IS_GxEPD(GxEPD2_3C_IS_, x)
-//#define IS_GxEPD2_7C(x) IS_GxEPD(GxEPD2_7C_IS_, x)
 #define IS_GxEPD2_1248(x) IS_GxEPD(GxEPD2_1248_IS_, x)
 
 #if defined(ESP32)
@@ -32,27 +28,29 @@
 #endif
 GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, MAX_HEIGHT(GxEPD2_DRIVER_CLASS)> display(GxEPD2_DRIVER_CLASS(/*CS=*/ 15, /*DC=*/ 27, /*RST=*/ 26, /*BUSY=*/ 25));
 #endif
-/*
-// comment out unused bitmaps to reduce code space used
-#include "bitmaps/Bitmaps200x200.h" // 1.54" b/w
-#include "bitmaps/Bitmaps104x212.h" // 2.13" b/w flexible GDEW0213I5F
-#include "bitmaps/Bitmaps128x250.h" // 2.13" b/w
-#include "bitmaps/Bitmaps128x296.h" // 2.9"  b/w
-#include "bitmaps/Bitmaps176x264.h" // 2.7"  b/w
-#include "bitmaps/Bitmaps400x300.h" // 4.2"  b/w
-#include "bitmaps/Bitmaps640x384.h" // 7.5"  b/w
-*/
 #if defined(ESP32) && defined(USE_HSPI_FOR_EPD)
 SPIClass hspi(HSPI);
 #endif
 
-// <My Includes>
+// <Local Includes>
 #include "bitmap.h"
+#include "config_loader.h"
+
+// <Fonts>
+#include <Fonts/FreeMono9pt7b.h>
+
+// <Connectivity>
+#include <WiFi.h>
+#include <time.h>
+#include <HTTPClient.h>
+
+// Globals
+Config conf;
 
 void setup()
 {
   Serial.begin(115200);
-  delay(5000);
+  delay(1000);
   Serial.println();
   Serial.println("setup");
   // *** special handling for Waveshare ESP32 Driver board *** //
@@ -65,38 +63,47 @@ void setup()
   // **************************************************************** //
   display.init(115200);
   // first update should be full refresh
-  bootDisplay();
   delay(1000);
-  // partial refresh mode can be used to full screen,
+  bootLogo();
-  // effective if display panel hasFastPartialUpdate
+  // Do Selftest and Initiation here... Check for WiFi, check NTP Update, check connectivity.
-/*  helloFullScreenPartialMode();
+  int text_y = 155;
-  delay(1000);
+  int line_height = 20;
-  helloArduino();
+  bootMsg("v0.0.1-alpha", text_y);
-  delay(1000);
+  text_y += line_height;
-  helloEpaper();
+  bootMsg("https://git.fjla.uk/fred.boniface/esphub", text_y);
-  delay(1000);
+  text_y += line_height;
-  showFont("FreeMonoBold9pt7b", &FreeMonoBold9pt7b);
+  conf = loadConfig();
-  delay(1000);
+  if (connect_WiFi(conf.ssid.c_str(), conf.wifiPass.c_str())) {
-  drawBitmaps();
+    bootMsg("WiFi Connection: OK", text_y);
-  if (display.epd2.hasPartialUpdate)
+  } else {
-  {
+    bootMsg("WiFi Connection: FAIL", text_y);
-    showPartialUpdate();
-    delay(1000);
   }
-  display.powerOff();
+  text_y += line_height;
-  deepSleepTest(); */
+  if (update_time()) {
-
+    bootMsg("Network Time Update: OK", text_y);
-  bootDisplay();
+  } else {
-  Serial.println("setup done");
+    bootMsg("Network Time Update: FAIL", text_y);
+  }
+  text_y += line_height;
+  if (checkUrlPing(conf.haUrl)) { // FAILS FOR SOME REASON -- DEBUG ME
+    bootMsg("Home Assistant URL Reachable: OK", text_y);
+    // Check home entity is reachable here.
+  } else {
+    bootMsg("Home Assistant URL Reachable: FAIL", text_y);
+  }
+  text_y += line_height;
+  // Check Nextcloud reachable here
   display.hibernate();
 }
 
 void loop()
 {
+  // Run loop here
 }
 
-void bootDisplay() {
+// Places the boot logo in position at the top of the screen
-  int img_x = (800 - 648) / 2;
+void bootLogo() {
+  constexpr int img_x = (800 - 648) / 2;
   display.setFullWindow();
   display.firstPage();
   do
@@ -107,3 +114,55 @@ void bootDisplay() {
   while (display.nextPage());
   delay(2000);
 }
+
+// Prints a one-line message to the screen, aligned with the boot logo at `y_pos`
+void bootMsg(const char* msg, const uint16_t y_pos) {
+    constexpr uint16_t x_pos = 76; // Manually calculated based on values in bootLogo();
+    // Define the partial window area
+    display.setPartialWindow(0, 0, display.width(), display.height());
+    display.setFont(&FreeMono9pt7b); // Set font
+    display.setTextColor(GxEPD_BLACK); // Set color
+    display.setCursor(x_pos, y_pos); // Set the cursor for printing
+    display.print(msg); // Print the message
+    display.nextPage(); // Only needed for e-ink paginated updates
+}
+
+bool connect_WiFi(String ssid, String pass) {
+  WiFi.begin(ssid, pass);
+  int retries = 10;
+  while (WiFi.status() != WL_CONNECTED && retries > 0) {
+    delay(1000);
+    retries --;
+  }
+  if (WiFi.status() != WL_CONNECTED) {
+    return false;
+  }
+  return true;
+}
+
+bool update_time() {
+    configTime(0, 0, "time.fjla.net", "pool.ntp.org");
+
+    struct tm timeinfo;
+    if (!getLocalTime(&timeinfo, 20000)) {
+        Serial.println("Failed to obtain time");
+        return false;
+    }
+    return true;
+}
+
+bool checkUrlPing(const String& url) {
+  HTTPClient http;
+  WiFiClient client;
+
+  http.begin(client, url);
+  int httpCode = http.GET();
+
+  if (httpCode == HTTP_CODE_OK) {
+    http.end();
+    return true;
+  } else {
+    http.end();
+    return false;
+  }
+}