Bluetooth Linux Kernel Config - Silicon Valley Gazette

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Over the past few days, some users have reported that they have encountered issues with the bluetooth kernel configuration on Linux.

Kernel

In most cases enabling RFCOMM (CONFIG_BT_RFCOMM), HIDP (CONFIG_BT_HIDP), HCI USB (CONFIG_BT_HCIBBTUSB) and/or HCI UART (CONFIG_BT_HCIUART) should be sufficient. The user-space I/O driver for HID input elements (CONFIG_UHID) must be enabled for Bluetooth keyboards and mice.

Configuration

By default, the Bluetooth adapter will not wake up after a restart, or simply resume from suspend. If you want the adapter to restart or resume soon, set AutoEnable=true in the /etc/bluetooth/main.conf file under the [Policy] section:

Kernel Configuration

If you usually create this package to supply products with Bluetooth technology (rather as a built-in dependency), enable the following options via Kernel configuration, as well as alternatives in the next paragraph, if We intend to run tests and recompile the kernel if necessary:

Software Setup

Bluetooth is an inexpensive, low-power, short-range wireless product. It was designed as a trading platform for cables and other technicalShort distance technologies such as IrDA. Bluetooth operates within a “personal range” that typically extends up to 10 meters. For more information about Bluetooth, visit .

Fixing This

kernel To fix a kernel, first download the latest patch for the appropriate kernel version from the BlueZ website (e.g. patch-2.4.22 -mh1 .gz ), but in suitable location, such as /usr/src/. Change to the directory where your kernel is unpacked, usually /usr/src/linux , and apply the latest patch:

Configuration

Bluetooth must be enabled in every kernel configuration as shown below. In addition, the user must promote STM32 STM32 support and USART support.An Internet user can use the Linux Menuconfig tool: Configure Menuconfig or Kernel, but choose:

Set Up Bluetooth After Turning On The Screen

Install the Bluez4 package first. You will probably do this by adding it to the build, as described in Adding Additional Packages to the Build by Adding a Schema to setup-scripts/conf/local.conf:

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