BK3633QN48_TuyaOS-3.12.1-使用开发-设备休眠后-涂鸦连接不成功-设备唤醒后才连接成功

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休眠时，设备连接时打印的log，
role:Slave
[01-01 00:01:19 ty I][tuya_sdk_callback.c:108] connected
app_mtu_excha?霑}蓵艁
tbs_att_cleanup
gapc_disconnect_ind_handler,reason=8
[01-01 00:01:28 ty I][tuya_sdk_callback.c:120] disconnect: 0x08
gapm_cmp_evt_handler operation:a8,status:0
appm_create_advertising adv_state:0
gapm_adv_send_hci_le_set_ext_adv_param_cmd 11
gapm_cmp_evt_handler operation:a0,status:0
gapm_cmp_evt_handler operation:a9,status:0
gap?}嵉羮曎複箲睍蓙operation:aa,status:0
appm_start_advertising adv_state:3
gapm_cmp_evt_handler operation:a4,status:0
tbs_att_create
gapc_connection_req_ind_handler
conhdl:1
con_interval:39
con_latency:0
sup_to:500
peer_addr_type:1
peer_addr:0x4b8c25dadc4e
role:Slave
[01-01 00:01:33 ty I][tuya_sdk_callback.c:108] connected
app_mtu_exchange_reqj
gattc_mtu_changed_ind_handler
ind->mtu = 247,seq = 0
[01-01 00:01:34 ty I][tuya_sdk_callback.c:167] mtu is set to 0xF7(247)
tbs_att_cleanup
gapc_disconnect_ind_handler,reason=8
[01-01 00:01:39 ty I][tuya_sdk_callback.c:120] disconnect: 0x08
gapm_cmp_evt_handler operation:a8,status:0
appm_create_advertising adv_state:0
gapm_adv_send_hci_le_set_ext_adv_param_cmd 11
gapm_cmp_evt_handler operation:a0,status:0
gapm_cmp_evt_handler operation:a9,status:0
gapm_c}曎複箲睍蓙operation:aa,status:0
appm_start_adverti雭adv_state:3
gapm_cmp_evt_handler operation:a4,statu??
tbs_att_create
gapc_connection_req_ind_handler
conhdl:1
con_interval:39
con_latency:0
sup_to:500
peer_addr_type:1
peer_addr:0x4b8c25dadc4e
role:SlaWj
[01-01 00:01:59 ty I][tuya_sdk_callback.c:108] connected
app_mtu_exchange_reqj
gattc_mtu_changed_ind_handler
ind->mtu = 247,seq = 0
[01-01 00:02:01?㈠両][tuya_sdk_callback.c:167] mtu is set to 0xF7(247)
tbs_att_cleanup
gapc_disconnect_ind_handler,reason=28
[01-01 00:02:06 ty I][tuya_sdk_callback.c:120] disconnect: 0x28
gapm_cmp_evt_handler operation:a8,status:0
appm_create_advertising adv_state:0
gapm_adv_send_hci_le_set_ext_adv_param_cmd 11
gapm_cmp_evt_handler operation:a0,status:0
gapm_cmp_evt_handler operation:a9,status:0
gapm_cmp_evt_handler operation:aa,status:0
appm_start_advertZ雭adv_state:3
gapm_cmp_evt_handler operation:a4,statu.'j

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首先排查一下，SDK默认使用外部32K晶振，如果开发板没有外接32k晶振，在SDK中宏BOARD_USED_INTER_RC32K改为1。
如果仍旧异常，尝试替换一下原厂推荐的晶振，建议切换为TuyaOS-3.12.3版本，晶振手册位于SDK的.\hardware\BK3633\chip_manual\原厂推荐晶体路径下