如何建立蓝牙连接

如何建立蓝牙连接

如何设置蓝牙

设置

检查是否已在内核日志消息中正确检测到了对应的驱动程序。

	Board $>[    0.923697] STM32 USART driver initialized
	Board $>[    0.928711] 4000e000.serial: ttyS1 at MMIO 0x4000e000 (irq = 42, base_baud = 6046875) is a stm32-usart

检查本地蓝牙设备的详细信息。

	Board $> hciconfig -a
	hci0:   Type: Primary  Bus: UART
	       BD Address: 43:43:A1:12:1F:AC  ACL MTU: 1021:8  SCO MTU: 64:1
	       DOWN 
	       RX bytes:619 acl:0 sco:0 events:31 errors:0
	       TX bytes:410 acl:0 sco:0 commands:31 errors:0
	       Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
	       Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	       Link policy: RSWITCH SNIFF 
	       Link mode: SLAVE ACCEPT

初始化蓝牙接口

	Board $> hciconfig hci0 up
	Board $> hciconfig -a
	hci0:   Type: Primary  Bus: UART
	       BD Address: AA:AA:AA:AA:AA:AA  ACL MTU: 1021:8  SCO MTU: 64:1
	       UP RUNNING 
	       RX bytes:1378 acl:0 sco:0 events:74 errors:0
	       TX bytes:1186 acl:0 sco:0 commands:74 errors:0
	       Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
	       Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	       Link policy: RSWITCH SNIFF 
	       Link mode: SLAVE ACCEPT 
	       Name: 'BlueZ 5.46'
	       Class: 0x000000
	       Service Classes: Unspecified
	       Device Class: Miscellaneous, 
	       HCI Version: 4.1 (0x7)  Revision: 0x0
	       LMP Version: 4.1 (0x7)  Subversion: 0x2209
	       Manufacturer: Broadcom Corporation (15)