From 2fbd8cb666de25da34b0ffb1cdeb3b9ceacd7876 Mon Sep 17 00:00:00 2001
From: Yannick Ulrich <yannick.ulrich@durham.ac.uk>
Date: Fri, 21 Oct 2022 22:47:05 +0100
Subject: [PATCH] Added navigation characteristics

---
 infinitime.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/infinitime.go b/infinitime.go
index d48e902..964a93d 100644
--- a/infinitime.go
+++ b/infinitime.go
@@ -38,6 +38,10 @@ const (
 	FSTransferChar  = "adaf0200-4669-6c65-5472-616e73666572"
 	FSVersionChar   = "adaf0100-4669-6c65-5472-616e73666572"
 	WeatherDataChar = "00040001-78fc-48fe-8e23-433b3a1942d0"
+	NavFlagsChar    = "00010001-78fc-48fe-8e23-433b3a1942d0"
+	NavNarrativeChar= "00010002-78fc-48fe-8e23-433b3a1942d0"
+	NavManDistChar  = "00010003-78fc-48fe-8e23-433b3a1942d0"
+	NavProgressChar = "00010004-78fc-48fe-8e23-433b3a1942d0"
 )
 
 var charNames = map[string]string{
@@ -52,10 +56,18 @@ var charNames = map[string]string{
 	FSTransferChar:  "Filesystem Transfer",
 	FSVersionChar:   "Filesystem Version",
 	WeatherDataChar: "Weather Data",
+	NavFlagsChar:    "Navigation Icon",
+	NavNarrativeChar:"Navigation Instruction",
+	NavManDistChar:  "Navigation Distance to next event",
+	NavProgressChar: "Navigation Progress",
 }
 
 type Device struct {
 	device          *device.Device1
+	navflagsChar    *gatt.GattCharacteristic1
+	navnarrativeChar*gatt.GattCharacteristic1
+	navmandistChar  *gatt.GattCharacteristic1
+	navprogressChar *gatt.GattCharacteristic1
 	newAlertChar    *gatt.GattCharacteristic1
 	notifEventChar  *gatt.GattCharacteristic1
 	stepCountChar   *gatt.GattCharacteristic1
@@ -394,6 +406,14 @@ func (i *Device) resolveChars() error {
 		charResolved := true
 		// Set correct characteristics
 		switch char.Properties.UUID {
+		case NavFlagsChar:
+			i.navflagsChar = char
+		case NavNarrativeChar:
+			i.navnarrativeChar = char
+		case NavManDistChar:
+			i.navmandistChar = char
+		case NavProgressChar:
+			i.navprogressChar = char
 		case NewAlertChar:
 			i.newAlertChar = char
 		case NotifEventChar: