Merge pull request #21 from fbiego/nav

add speed & nav icon example

fix #13 
fix #17 
fix #20

Author: fbiego

examples/navigation/navigation.ino

@@ -35,6 +35,7 @@
 ChronosESP32 watch("Chronos Nav"); // set the bluetooth name
 
 bool change = false;
+uint32_t nav_crc = 0xFFFFFFFF;
 
 void connectionCallback(bool state)
 {
@@ -70,13 +71,41 @@ void configCallback(Config config, uint32_t a, uint32_t b)
             Serial.println(nav.duration);
             Serial.println(nav.distance);
             Serial.println(nav.title);
+            Serial.println(nav.speed);
         }
         break;
     case CF_NAV_ICON:
         Serial.print("Navigation Icon data, position: ");
         Serial.println(a);
         Serial.print("Icon CRC: ");
         Serial.printf("0x%04X\n", b);
+        if (a == 2){
+            Navigation nav = watch.getNavigation();
+            if (nav_crc != nav.iconCRC)
+            {
+                nav_crc = nav.iconCRC;
+
+                for (int y = 0; y < 50; y++) { Serial.print("-"); } // draw top border
+                Serial.println();
+
+                for (int y = 0; y < 48; y++)
+                {
+                    Serial.print("|"); // draw left border
+                    for (int x = 0; x < 48; x++)
+                    {
+                        int byte_index = (y * 48 + x) / 8;
+                        int bit_pos = 7 - (x % 8);
+                        bool px_on = (nav.icon[byte_index] >> bit_pos) & 0x01;
+                        // example to draw a pixel on a TFT display
+                        // tft.drawPixel(x, y, px_on ? TFT_WHITE : TFT_BLACK);
+                        Serial.print(px_on ? "X" : " ");
+                    }
+                    Serial.println("|"); // draw right border
+                }
+                for (int y = 0; y < 50; y++) { Serial.print("-"); } // draw bottom border
+                Serial.println();
+            }
+        }
         break;
     }
 }
@@ -114,6 +143,7 @@ void loop()
     //         Serial.println(nav.duration);
     //         Serial.println(nav.distance);
     //         Serial.println(nav.title);
+    //         Serial.println(nav.speed);
     //     }
     // }
 }

library.json

@@ -1,6 +1,6 @@
 {
   "name": "ChronosESP32",
-  "version": "1.8.0",
+  "version": "1.8.1",
   "keywords": "Arduino, ESP32, Time, BLE, Watch",
   "description": "A library for ESP32 to interface with Chronos app over BLE",
   "repository":

library.properties

@@ -1,5 +1,5 @@
 name=ChronosESP32
-version=1.8.0
+version=1.8.1
 author=fbiego
 maintainer=fbiego
 sentence=Setup your ESP32 as a smartwatch and connect to Chronos app over BLE.

src/ChronosESP32.cpp

@@ -1774,6 +1774,7 @@ void ChronosESP32::dataReceived()
 					_navigation.title = "Chronos";
 					_navigation.duration = "Inactive";
 					_navigation.distance = "";
+					_navigation.speed = "";
 					_navigation.directions = "Start navigation on Google maps";
 					_navigation.hasIcon = false;
 					_navigation.isNavigation = false;
@@ -1785,6 +1786,7 @@ void ChronosESP32::dataReceived()
 					_navigation.title = "Chronos";
 					_navigation.duration = "Disabled";
 					_navigation.distance = "";
+					_navigation.speed = "";
 					_navigation.eta = "Navigation";
 					_navigation.directions = "Check Chronos app settings";
 					_navigation.hasIcon = false;
@@ -1838,6 +1840,14 @@ void ChronosESP32::dataReceived()
 						i++;
 					}
 					i++;
+
+					_navigation.speed = "";
+					while (_incomingData.data[i] != 0 && i < len)
+					{
+						_navigation.speed += char(_incomingData.data[i]);
+						i++;
+					}
+					i++;
 				}
 				if (configurationReceivedCallback != nullptr)
 				{

src/ChronosESP32.h

@@ -39,7 +39,7 @@
 
 #define CHRONOSESP_VERSION_MAJOR 1
 #define CHRONOSESP_VERSION_MINOR 8
-#define CHRONOSESP_VERSION_PATCH 0
+#define CHRONOSESP_VERSION_PATCH 1
 
 #define CHRONOSESP_VERSION F(CHRONOSESP_VERSION_MAJOR "." CHRONOSESP_VERSION_MINOR "." CHRONOSESP_VERSION_PATCH)
 
@@ -154,6 +154,7 @@ struct Navigation
 	String eta;					  // estimated time of arrival (time,date)
 	String title;				  // distance to next point or title
 	String directions;			  // place info ie current street name/ instructions
+	String speed;				  // speed (available via OsmAnd app)
 	uint8_t icon[ICON_DATA_SIZE]; // navigation icon 48x48 (1bpp)
 	uint32_t iconCRC;			  // to identify whether the icon has changed
 };