：
：
on -> connect
writeReq = active
writeCmd = OK
210202 13:48:15 on -> writeReq noactive. Recieved size 113
210202 13:48:36 on -> disconnect
on -> connect
writeReq = active
writeCmd = OK
210202 13:48:43 on -> writeReq noactive. Recieved size 113
210202 13:49:09 on -> disconnect
on -> connect

TypeError: Cannot read property 'discoverCharacteristics' of undefined
    at Peripheral.<anonymous> (C:\nodejs_obniz\DEMO\mainMMA_catch.js:112:25)
    at Peripheral.emit (events.js:315:20)
    at Noble.onServicesDiscover (C:\nodejs_obniz\node_modules\obniz-noble\lib\noble.js:266:16)
    at NobleBindings.emit (events.js:315:20)
    at NobleBindings.onServicesDiscovered (C:\nodejs_obniz\node_modules\obniz-noble\lib\obniz-hci-socket\bindings.js:325:8)
    at Gatt.emit (events.js:315:20)
    at Gatt.<anonymous> (C:\nodejs_obniz\node_modules\obniz-noble\lib\obniz-hci-socket\gatt.js:374:12)
    at Gatt.onAclStreamData (C:\nodejs_obniz\node_modules\obniz-noble\lib\obniz-hci-socket\gatt.js:132:26)
    at AclStream.emit (events.js:327:22)
    at AclStream.push (C:\nodejs_obniz\node_modules\obniz-noble\lib\obniz-hci-socket\acl-stream.js:41:10)
    at NobleBindings.onAclDataPkt (C:\nodejs_obniz\node_modules\obniz-noble\lib\obniz-hci-socket\bindings.js:289:15)
    at Hci.emit (events.js:315:20)
    at Hci.onSocketData (C:\nodejs_obniz\node_modules\obniz-noble\lib\obniz-hci-socket\hci.js:484:14)
    at obniz.ble.hci.onread (C:\nodejs_obniz\node_modules\obniz-noble\lib\obniz-hci-socket\hci.js:86:12)
    at Obniz._runUserCreatedFunction (C:\nodejs_obniz\node_modules\obniz-noble\node_modules\obniz\dist\src\obniz\ObnizConnection.js:287:13)
    at ObnizBLEHci.notified (C:\nodejs_obniz\node_modules\obniz-noble\node_modules\obniz\dist\src\obniz\libs\embeds\bleHci\hci.js:72:28)
    at ObnizBLE.notifyFromObniz (C:\nodejs_obniz\node_modules\obniz-noble\node_modules\obniz\dist\src\obniz\libs\embeds\bleHci\ble.js:120:22)
    at Obniz.notifyToModule (C:\nodejs_obniz\node_modules\obniz-noble\node_modules\obniz\dist\src\obniz\ObnizComponents.js:262:37)
    at Obniz.notifyToModule (C:\nodejs_obniz\node_modules\obniz-noble\node_modules\obniz\dist\src\obniz\ObnizDevice.js:149:15)
    at Obniz.wsOnMessage (C:\nodejs_obniz\node_modules\obniz-noble\node_modules\obniz\dist\src\obniz\ObnizConnection.js:347:26)
    at WebSocket.emit (events.js:315:20)
    at Receiver.receiverOnMessage (C:\nodejs_obniz\node_modules\ws\lib\websocket.js:789:20)

C:\nodejs_obniz\DEMO>