GATTC read char

I (298) GATTC: Start
D (308) BTDM_INIT: .data initialise [0x3ffae6e0] <== [0x4000d890]
0x4000d890: ?? ??:0


D (308) BTDM_INIT: .bss initialise [0x3ffb0000] - [0x3ffb09a8]

D (318) BTDM_INIT: .bss initialise [0x3ffb09a8] - [0x3ffb1ddc]

D (328) BTDM_INIT: .bss initialise [0x3ffb1ddc] - [0x3ffb2730]

D (328) BTDM_INIT: .bss initialise [0x3ffb2730] - [0x3ffb8000]

D (338) BTDM_INIT: .bss initialise [0x3ffb8000] - [0x3ffbbb28]

D (338) BTDM_INIT: .bss initialise [0x3ffbbb28] - [0x3ffbdb28]

D (348) BTDM_INIT: .bss initialise [0x3ffbdb28] - [0x3ffc0000]

I (358) system_api: Base MAC address is not set, read default base MAC address from BLK0 of EFUSE
D (528) phy_init: loading PHY init data from partition at offset 0xf000
D (528) phy_init: PHY data partition validated
I (538) phy: phy_version: 362.0, 61e8d92, Sep  8 2017, 18:48:11, 0, 0
I (568) GATTC: REGISTER GAP CALLBACK
I (568) GATTC: REGISTER GATTC CALLBACK
I (568) GATTC: REGISTER THIS APPLICATION
E (568) BT: btc_gattc_call_handler()
W (568) GATTCallback: GATT CALLBACK: 0
I (578) GATTCallback: REG_EVT
I (578) GAPCallback: SCAN PARAMETERS SET; INITIATE A SCAN REQUEST
I (588) GAPCallback: scan start success
I (608) GAPCallback: OPEN A DIRECT CONNECTION TO DEVICE. application identity: 1 rssi: -83, bda:     3ffd6820
I (618) GAPCallback: stop scan successfully
W (1028) GATTCallback: GATT CALLBACK: 40
I (1028) GATTCallback: ESP_GATTC_CONNECT_EVT conn_id 0, if 1, status 0
W (1028) GATTCallback: GATT CALLBACK: 2
I (1038) GATTCallback: ESP_GATTC_OPEN_EVT conn_id: 0 (0) gattc_if: 1 (1)
E (1168) BT: l2cble_start_conn_update, the last connection update command still pending.
E (1268) BT: Device already in Resolving list

I (1268) GAPCallback: remote BD_ADDR: 6789c2b071c6
I (1268) GAPCallback: address type = 0
I (1278) GAPCallback: pair status = success
I (1358) GAPCallback: update connection params status = 0, min_int = 6, max_int = 6,conn_int = 6,latency = 0, timeout = 2000
I (1408) GAPCallback: update connection params status = 0, min_int = 12, max_int = 12,conn_int = 12,latency = 0, timeout = 600
W (2118) GATTCallback: GATT CALLBACK: 18
I (2118) GATTCallback: ESP_GATTC_CFG_MTU_EVT status 0 mtu 200, conn_id 0
W (2118) GATTCallback: GATT CALLBACK: 7
I (2128) GATTCallback: SEARCH_RES_EVT ff, conn_id: 0
W (2128) GATTCallback: GATT CALLBACK: 6
I (2138) GATTCallback: SEARCH_CMPL_EVT
W (12238) GATTCallback: GATT CALLBACK: 3
E (12238) GATTCallback: read_char called with status 0x1
W (22258) GATTCallback: GATT CALLBACK: 3
E (22258) GATTCallback: read_char called with status 0x1
E (30328) BT: bta_gattc_conn_cback() - cif=1 connected=0 conn_id=1 reason=0x0013
W (32258) GATTCallback: GATT CALLBACK: 41
I (32258) GATTCallback: ESP_GATTC_DISCONNECT_EVT, status = 0
W (32258) GATTC: Unregister -> esp_ble_gattc_app_unregister:  0
W (32258) GATTCallback: GATT CALLBACK: 5
E (32268) BT: bta_gattc_deregister Deregister Failedm unknown client cif