1 files changed, 53 insertions, 0 deletions
diff --git a/FereFit_configRealTimeMeasure_BLE.py b/FereFit_configRealTimeMeasure_BLE.py
new file mode 100644
index 0000000..3059263
--- /dev/null
+++ b/FereFit_configRealTimeMeasure_BLE.py
@@ -0,0 +1,53 @@
+import asyncio
+import sys
+try:
+    from bleak import BleakScanner, BleakClient
+except ModuleNotFoundError:
+    print("Error importing bleak, are you sure you installed it?")
+    print("Try running the following command: \"pip3 install bleak\"")
+    print("If that fails, try this: \"pip3 install bleak --break-system-packages\"")
+    sys.exit(1)
+
+async def sync(device_name: str):
+    print(f"Scanning for {device_name}...")
+    device = await BleakScanner.find_device_by_name(device_name, timeout=10)
+    if not device:
+        print("Watch not found!")
+        return
+    print(f"Found at {device.address}")
+
+    got_aggregate = False
+    got_generic = False
+
+    def notification_handler(sender, data):
+        nonlocal got_aggregate, got_generic
+        if data[0] == 0xE1:
+            aggregate_rates = [data[1], data[5], data[6], data[7]]  # skip 2-4 because they seem to be zero padding or something redundant
+            print(f"Got aggregate rates: {aggregate_rates}")
+            got_aggregate = True
+        if data[0] == 0x94:
+            print(f"Got generic measurement: {data[1]}")
+            got_generic = True
+
+    try:
+        async with BleakClient(device) as client:
+            await client.start_notify("6E40FC21-B5A3-F393-E0A9-E50E24DCCA9E", notification_handler)
+            # byte[1] = 0x00 for heart rate, TODO add more measurements later, maybe split into separate scripts if logic differs
+            packet = bytes([0x60, 0x00, 0x01])
+            await client.write_gatt_char("6E40FC20-B5A3-F393-E0A9-E50E24DCCA9E", packet)
+            while not got_generic:
+                await asyncio.sleep(1)
+            while not got_aggregate:
+                await asyncio.sleep(1)
+            # byte[2] = 0x00 for stop
+            packet = bytes([0x60, 0x00, 0x00])
+            await client.write_gatt_char("6E40FC20-B5A3-F393-E0A9-E50E24DCCA9E", packet)
+            await client.stop_notify("6E40FC21-B5A3-F393-E0A9-E50E24DCCA9E")
+    except Exception as e:
+        print(f"Failed: {e}")
+
+if __name__ == "__main__":
+    watch_name = input("Enter watch name shown in BLE discovery (default: Watch ULTRA): ")
+    if watch_name == "":
+        watch_name = "Watch ULTRA"
+    asyncio.run(sync(watch_name))