Application demonstrating the BLE Peripheral role. It has several well-known and vendor-specific GATT services that it exposes.

• BlueZ running on the host, or
• A board with BLE support

export ZEPHYR_TOOLCHAIN_VARIANT=gnuarmemb
export GNUARMEMB_TOOLCHAIN_PATH=~/gcc-arm-none-eabi-7-2018-q2-update/ # path to downloaded toolchain

source ./setup-env.sh # Setups up python virtualenv, and zephyr

./build.sh # invokes cmake nad builds the application

An example of using OpenOCD with Adafruit's FT232H breakout board to flash the nRF52

Note: D0 is SWDCLK, D1 is SWDIO, and D2 must be connected to D1 with a 470 Ohm (or equivalent) resistor.

openocd \
    -f interface/ftdi/ft232h-module-swd.cfg `# Use FT232h as our hardware interface` \
    -f target/nrf52.cfg `# the target chip` \
    -c "init" `# Tell OpenOCD we're done with setup` \
    -c "reset halt" `# reset the chip and halt the CPU` \
    -c "flash write_image erase build/zephyr/zephyr.hex" `# Flash our firmware image` \
    -c "reset run" `# reset and run` \
    -c "exit" `# reset and run`

• Service	Uniform Type Identifier	Assigned UUID
  Rainbow Flying disc	nz.co.nzsmartie.services.rainbow_flying_disc	d9a204a1-9ca4-41ec-9dd6-526d6c53c7fe

  • Characteristic	Uniform Type Identifier	Assigned UUID	Requirement
    Display Message		d9a204a2-9ca4-41ec-9dd6-526d6c53c7fe	Mandatory

    The message displayed on the flying disc when in motion.

    Property	Requirement
    Read	Mandatory
    Write	Mandatory
    Write Without Response	Excluded
    Signed Write	Excluded
    Reliable Write	Excluded
    Notify	Excluded
    Indicate	Mandatory
    Writable Auxiliaries	Excluded
    Broadcast	Excluded