RT8723BU 蓝牙模块问题

[qq_22965219]

请大神指点指点：
root@freescale /opt/arm$ hciconfig
root@freescale /opt/arm$ hciconfig hci0
Can't get device info: No such device

驱动也加载了，bluez-4.95也移植了，但是就是找不到设备，

[qq_22965219]

root@freescale /usr/local/bluez-4.95/lib$ hciconfig hci0 up rtk_btusb: btusb_open start pm_usage_cnt(0x1) rtk_btusb: download_patch start rtk_btusb: read_ver_rsp->lmp_subver = 0x8723 rtk_btusb: patch_entry->lmp_sub = 0x8723 rtk_btusb: get_firmware start rtk_btusb: load_firmware start rtk_btusb: lmp_version = 0x8723 rtk_btusb: config name is rtl8723bu_config rtk_btusb: fw name is rtl8723b_fw rtk_btusb: get_firmware failed! rtk_btusb: Rtk patch end -1 rtk_btusb: btusb_open failed pm_usage_cnt(0x0) Can't init device hci0: Input/output error (5) root@freescale /usr/local/bluez-4.95/lib$ bluetoothd root@freescale /usr/local/bluez-4.95/lib$ rtk_btusb: btusb_open start pm_usage_cnt(0x1) rtk_btusb: download_patch start rtk_btusb: read_ver_rsp->lmp_subver = 0x8723 rtk_btusb: patch_entry->lmp_sub = 0x8723 rtk_btusb: get_firmware start rtk_btusb: load_firmware start rtk_btusb: lmp_version = 0x8723 rtk_btusb: config name is rtl8723bu_config rtk_btusb: fw name is rtl8723b_fw rtk_btusb: get_firmware failed! rtk_btusb: Rtk patch end -1 rtk_btusb: btusb_open failed pm_usage_cnt(0x0 请大神指点下

[kunaifu4571]

请问楼主解决了吗？

[聪明的小鹿]

缺少固件导致的，下载8723bu驱动，里面有两个固件文件（rtl8723bu_config，rtl8723b_fw），拷贝到开发/lib/firware 下。就可以了

[JiMoKuangXiangQu]

经常遇到这种问题，要么bluedroid里面没有将模块名对应到对应的so，要么是fw加载不正确。