NetworkCLient debugging

examples/Others/Inkplate_VariPass_Graphs/src/main.cpp

@@ -36,8 +36,8 @@ Inkplate display(DisplayMode::INKPLATE_1BIT); // Create an object on Inkplate li
 
 static const char * TAG = "VariPassGraph";
 
-const char *ssid     = YOUR_SSID;      // Your WiFi SSID
-const char *password = YOUR_PASSWORD;  // Your WiFi password
+const char * ssid     = YOUR_SSID;      // Your WiFi SSID
+const char * password = YOUR_PASSWORD;  // Your WiFi password
 
 void delay(int msec) { vTaskDelay(msec / portTICK_PERIOD_MS); }
 
@@ -53,6 +53,8 @@ void mainTask(void * param)
   // Connect to the WiFi network.
   if (display.joinAP(ssid, password)) {
 
+    ESP_LOGI(TAG, "Connected. Downloading the image...");
+
     display.println("\nWiFi OK! Downloading...");
     display.partialUpdate();
 
@@ -69,8 +71,8 @@ void mainTask(void * param)
     if (!display.drawImage("https://api.varipass.org/?action=sgraph&id=kbg3eQfA&width=400&height=300&eink=true",
                                   200, 150))
     {
-        display.println("Image open error");
-        display.partialUpdate();
+      ESP_LOGE(TAG, "Not able to retrieve and draw image from web address.");
+      display.println("Image open error");
     }
     display.partialUpdate();
 

src/services/network_client.cpp

@@ -252,6 +252,8 @@ NetworkClient::downloadFile(const char * url, int32_t * defaultLen)
 {
   if (!connected) return nullptr;
 
+  ESP_LOGI(TAG, "Downloading file from URL: %s", url);
+  
   buffer = buffer_ptr = nullptr;
   buffer_size = *defaultLen;