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Fluoride.md

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Bluetooth 5 on Fluoride stack

This guide will show, how to start Fluoride Bluetooth stack on Linux.

To download sources, register to Qualcomm developer page. Then download it from QCA9377-3 page.

Preparation

  1. Extract the archive

     tar xf qca9377.lea_.3.0_qdn_r3000017.1.tgz
 cd QCA9377.LEA.3.0_QDN_r3000017.1

  2. Change the AIO script to checkout the sources in working directory

    Edit file: fixce/aio-gen/build/scripts/te-f30/aio_gen.te-f30 Change CLONE_KERNEL to CLONE_KERNEL=y Change the CLONE_KERNEL_PATH to CLONE_KERNEL_PATH=/path/to/qca9377-lea-3-0_qca_oem.git

    Edit file: fixce/aio-gen/build/scripts/te-f30/release.te-f30 Change IF_TYPE to IF_TYPE=USB

  3. Generate AIO work directory

     cd fixce/aio-gen
 ./aio_gen_bit.sh -t te-f30 -w 4.0.11.213V -b FLUORIDE -i USB -k v4.11

Build kernel

  1. Configure Linux kernel

     cd linux-stable
 make menuconfig

    Load the configuration load -> ok -> exit -> save

    Enable these packages:

     CONFIG_NL80211_TESTMODE *
 CONFIG_CFG80211 M
 CONFIG_CFG80211_INTERNAL_REGDB *

    Also, make sure there other necessary drivers enabled in configuration. In our case we need just AHCI SATA support to mount root file system. So enable:

     Device Drivers > Serial ATA and Parallel ATA drivers (libata) > AHCI SATA support *

    After finishing configuration, save config and exit.

  2. Build the kernel

     make -j $(nproc)

Build AIO

  1. Change kernel path

    Edit file: fixce/AIO/build/scripts/te-f30/config.te-f30 Change KERNELPATH to KERNELPATH=/path/to/qca9377-lea-3-0_qca_oem.git/linux-stable

  2. Do not treat warnings as errors

    Edit file: fixce/AIO/drivers/qcacld-new/Kbuild Delete -Werror\

  3. Build the AIO

     cd fixce/AIO/build
 make

  4. Rebuild the kernel

     cd /path/to/qca9377-lea-3-0_qca_oem.git/linux-stable/
 make -j $(nproc)

Boot the kernel

  1. Prepare and compress the kernel

     cd /path/to/qca9377-lea-3-0_qca_oem.git/linux-stable/
 mkdir -p /tmp/kernel/boot/
 make install INSTALL_PATH=/tmp/kernel/boot/
 make modules_install INSTALL_MOD_PATH=/tmp/kernel/
 cd /tmp/kernel/

    Compress it:

     tar cf kernel.tar.gz boot lib

    For parallel compression use pigz:

     tar cf kernel.tar.gz boot lib --use-compress-program="pigz --fast --recursive"

  2. Transfer the archive to target machine

    USB, Samba, etc. scp (Change IP address accordingly):

     scp kernel.tar.gz [email protected]:/tmp/

  3. Extract the archive

     sudo tar xf kernel.tar.gz -C /

    Or with pigz:

     sudo tar xf kernel.tar.gz --use-compress-program="pigz" -C /

  4. Boot the image

    In case of GRUB:

    Generate new grub config with custom kernel

     sudo grub-mkconfig -o /boot/grub/grub.cfg

    Edit the /boot/grub/grub.config file. Edit the set default line. Change with the new kernel id from options below. Our case:

     set default="gnulinux-advanced-57cd9a31-8849-4d0d-9e2f-08ca6009b5f4>gnulinux-4.11.0+-advanced-57cd9a31-8849-4d0d-9e2f-08ca6009b5f4"

    And reboot the machine.

Move the project to target machine

  1. Compress the project

     cd /path/to/qca9377-lea-3-0_qca_oem.git/cnss_host_LEA/
 tar cf cnss_proc.tar.gz cnss_proc

    With pigz:

     tar cf cnss_proc.tar.gz cnss_proc --use-compress-program="pigz --fast --recursive"

  2. Transfer the archive to the target machine

    USB, Samba, etc. scp (Change IP address accordingly):

     scp cnss_proc.tar.gz [email protected]:/tmp/

  3. Extract the archive

     sudo tar xf cnss_proc.tar.gz

    Or with pigz:

     sudo tar xf cnss_proc.tar.gz --use-compress-program="pigz"

  4. Execute the script

     cd cnss_host_LEA/cnss_proc/fixce/AIO/build
 chmod 777 ./scripts/board-type/bt.sh
 sudo ./scripts/board-type/bt.sh

Start Bluetooth

  1. Disable the other Bluetooth stacks

     sudo systemctl stop bluetooth

  2. Starting the Fluoride

    Open two terminals. In the first one:

     cd fixce/AIO/apps/bt_workspace/qcom-opensource/bt/property-ops
 sudo ./btproperty

    In the second one:

     cd fixce/AIO/apps/bt_workspace/qcom-opensource/bt/bt-app
 sudo ./main/btapp

    Aditional information, how to use and configure the Fluoride, is provided in the Qualcomm document.