Command Service

Overview

The Nexus command inteface is built ontop of the Nordic UART service (NUS). NUS allows devices to communicate via a virtual serial port over BLE, enabling wireless data exchange between devices that support UART communication.

Service UUID

The 128-bit vendor-specific service UUID is

• UUID: 6E400001-B5A3-F393-E0A9-E50E24DCCA9E (16-bit offset: 0x0001)

Characteristics UUID

RX Characteristic: 6E400002-B5A3-F393-E0A9-E50E24DCCA9

• Write or Write Without Response: Write data to the RX Characteristic to send it to the UART interface.

TX Characteristic : 6E400003-B5A3-F393-E0A9-E50E24DCCA9

• Notify: Enable notifications for the TX Characteristic to receive data from the application. The application transmits all data that is received over UART as notifications.

Commands

System Commands

NR+DN - Bluetoth Device Name

NR+DN?

Read command reports back the remote device name. Response: NR+DN=“ssdfdf”

NR+FW - Device Firmware Version

Example: NR+FW?

NR+FR - Factory Reset

NR+RD - Restart Device

Performance Mode Commands

NR+PM - Performance Mode

NR+PMD - Performance Mode Default