Merge pull request #501 from doudar/IC4_BLE_SCANNER_FIX

Fixes #500

Author: doudar

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updated kit purchasing links. 
 - MIN_ERG_CADENCE created and changed from 20 to 30.
 - Fixed DNS server in AP mode.
+- Fixed an issue with IC4 and variants not displaying device name in Bluetooth scanner. Fixes #500
 
 ### Hardware
 - Wire diameter reduced from 7.2mm to 6.0mm on the window passthrough to accommodate the latest batch of cables. 

data/bluetoothscanner.html

@@ -177,7 +177,6 @@ <h2>
             else if (t_obj[key].address) {
               optionRemote.text = t_obj[key].address;
             }
-            optionRemote.selected;
             remoteDropdown.add(optionRemote);
           }
         }
@@ -202,6 +201,7 @@ <h2>
         let noneOptionHR = document.createElement('option');
         noneOptionHR.text = 'none';
         let noneOptionRemote = document.createElement('option');
+        noneOptionRemote.selected;
         noneOptionRemote.text = 'none';
         PMDropdown.add(noneOptionPM);
         HRDropdown.add(noneOptionHR);

lib/SS2K/include/Constants.h

@@ -13,13 +13,16 @@
 #define SMARTSPIN2K_SERVICE_UUID        NimBLEUUID("77776277-7877-7774-4466-896665500000")
 #define SMARTSPIN2K_CHARACTERISTIC_UUID NimBLEUUID("77776277-7877-7774-4466-896665500001")
 
+// Device Information Service
+#define DEVICEINFORMATIONSERVICE_UUID NimBLEUUID((uint16_t)0x180A)
+
 // Heart Service
 #define HEARTSERVICE_UUID        NimBLEUUID((uint16_t)0x180D)
 #define HEARTCHARACTERISTIC_UUID NimBLEUUID((uint16_t)0x2A37)
 
-//BatteryLevel Service
-#define BATTERYSERVICE_UUID NimBLEUUID((uint16_t)0x180F) // heart rate sensor service uuid, as defined in gatt specifications
-#define BATTERYCHARACTERISTIC_UUID NimBLEUUID ((uint16_t)0x2A19)
+// BatteryLevel Service
+#define BATTERYSERVICE_UUID        NimBLEUUID((uint16_t)0x180F)  // heart rate sensor service uuid, as defined in gatt specifications
+#define BATTERYCHARACTERISTIC_UUID NimBLEUUID((uint16_t)0x2A19)
 
 // Cycling Power Service
 #define CSCSERVICE_UUID              NimBLEUUID((uint16_t)0x1816)
@@ -66,21 +69,21 @@
 #define PELOTON_REQ_POS      1
 #define PELOTON_CHECKSUM_POS 2
 
-//BLE HID
-#define  APPEARANCE_HID_GENERIC_UUID NimBLEUUID((uint16_t)0x3C0)
-#define  APPEARANCE_HID_KEYBOARD_UUID NimBLEUUID((uint16_t)0x3C1)
-#define  APPEARANCE_HID_MOUSE_UUID   NimBLEUUID((uint16_t) 0x3C2)
-#define  APPEARANCE_HID_JOYSTICK_UUID NimBLEUUID((uint16_t)0x3C3)
-#define  APPEARANCE_HID_GAMEPAD_UUID NimBLEUUID((uint16_t)0x3C4)
-#define  APPEARANCE_HID_DIGITIZER_TABLET_UUID NimBLEUUID((uint16_t)0x3C5)
-#define  APPEARANCE_HID_CARD_READER_UUID NimBLEUUID((uint16_t)0x3C6)
-#define  APPEARANCE_HID_DIGITAL_PEN_UUID NimBLEUUID((uint16_t)0x3C7)
-#define  APPEARANCE_HID_BARCODE_SCANNER_UUID NimBLEUUID((uint16_t)0x3C8)
-#define  APPEARANCE_HID_TOUCHPAD_UUID NimBLEUUID((uint16_t)0x3C9)
-#define  APPEARANCE_HID_PRESENTATION_REMOTE_UUID NimBLEUUID((uint16_t)0x3CA)
+// BLE HID
+#define APPEARANCE_HID_GENERIC_UUID             NimBLEUUID((uint16_t)0x3C0)
+#define APPEARANCE_HID_KEYBOARD_UUID            NimBLEUUID((uint16_t)0x3C1)
+#define APPEARANCE_HID_MOUSE_UUID               NimBLEUUID((uint16_t)0x3C2)
+#define APPEARANCE_HID_JOYSTICK_UUID            NimBLEUUID((uint16_t)0x3C3)
+#define APPEARANCE_HID_GAMEPAD_UUID             NimBLEUUID((uint16_t)0x3C4)
+#define APPEARANCE_HID_DIGITIZER_TABLET_UUID    NimBLEUUID((uint16_t)0x3C5)
+#define APPEARANCE_HID_CARD_READER_UUID         NimBLEUUID((uint16_t)0x3C6)
+#define APPEARANCE_HID_DIGITAL_PEN_UUID         NimBLEUUID((uint16_t)0x3C7)
+#define APPEARANCE_HID_BARCODE_SCANNER_UUID     NimBLEUUID((uint16_t)0x3C8)
+#define APPEARANCE_HID_TOUCHPAD_UUID            NimBLEUUID((uint16_t)0x3C9)
+#define APPEARANCE_HID_PRESENTATION_REMOTE_UUID NimBLEUUID((uint16_t)0x3CA)
 
-#define HID_SERVICE_UUID NimBLEUUID((uint16_t)0x1812)
-#define HID_INFORMATION_UUID NimBLEUUID((uint16_t)0x2A4A)
-#define HID_REPORT_MAP_UUID NimBLEUUID((uint16_t)0x2A4B)
+#define HID_SERVICE_UUID       NimBLEUUID((uint16_t)0x1812)
+#define HID_INFORMATION_UUID   NimBLEUUID((uint16_t)0x2A4A)
+#define HID_REPORT_MAP_UUID    NimBLEUUID((uint16_t)0x2A4B)
 #define HID_CONTROL_POINT_UUID NimBLEUUID((uint16_t)0x2A4C)
-#define HID_REPORT_DATA_UUID NimBLEUUID((uint16_t)0x2A4D)
+#define HID_REPORT_DATA_UUID   NimBLEUUID((uint16_t)0x2A4D)

src/BLE_Client.cpp

@@ -467,7 +467,14 @@ void SpinBLEClient::scanProcess(int duration) {
       }
 
       if (d.haveServiceUUID()) {
-        devices[device]["UUID"] = d.getServiceUUID().toString();
+        // Workaround for IC4 advertising this service first instead of FTMS.
+        // Potentially others may need to be added in the future.
+        // The symptom was the bike name not showing up in the HTML.
+        if (d.getServiceUUID() == DEVICEINFORMATIONSERVICE_UUID) {
+          devices[device]["UUID"] = FITNESSMACHINESERVICE_UUID.toString();
+        } else {
+          devices[device]["UUID"] = d.getServiceUUID().toString();
+        }
       }
     }
   }
@@ -532,6 +539,7 @@ void SpinBLEClient::resetDevices(NimBLEClient *pClient) {
   }
 }
 
+// Control a connected FTMS trainer. If no args are passed, treat it like an external stepper motor.
 void SpinBLEClient::FTMSControlPointWrite(const uint8_t *pData, int length) {
   NimBLEClient *pClient = nullptr;
   for (int i = 0; i < NUM_BLE_DEVICES; i++) {