1.. _nrf51_vbluno51: 2 3nRF51-VBLUno51 4############## 5 6Overview 7******** 8 9Zephyr uses the nrf51_vbluno51 board configuration to run on the VBLUno51 board, 10a VNG Bluetooth Low Energy UNO using an nRF51822 ARM processor. 11 12.. figure:: img/nrf51_vbluno51.jpg 13 :align: center 14 :alt: nRF51_VBLUno51 15 16 nrf51_vbluno51 Top 17 18.. figure:: img/nrf51_vbluno51_bot.jpg 19 :align: center 20 :alt: nRF51_VBLUno51 Bottom 21 22 nrf51_vbluno51 Bottom 23 24More information about the board can be found at the 25`VBLUno51 wiki page`_. 26 27Hardware 28******** 29 30VBLUno51 board has two external oscillators. The frequency of 31the slow clock is 32.768 kHz. The frequency of the main clock 32is 16 MHz. 33 34Supported Features 35================== 36 37- CPU: 38 + Nordic nRF51822: ARM |reg| Cortex |trade| M0 32bit. 39 + *Bluetooth Low Energy interface.* 40 + 256KB Flash, 32KB RAM. 41 + UART(1), I2C(2), SPI(1), PWM(3), SWD, Timer 16bit(3). 42 + 21 digital channels, 6 ADC 10bit channels. 43 + 1 Led and 1 Button onboard. 44 + GPIO Voltage: 0 - 3.3V. 45- DAPLink (CMSIS-DAP) interface for program and debug: 46 + USB MSD: Drag and Drop programming flash memory. 47 + USB HID (DAP): CMSIS-DAP compliant debug channel. 48 + USB CDC: Virtual COM port for log, trace and terminal emulation. 49 50- Supports hardware flow control features (RTS/CTS). 51- *Energy monitoring for BLE module by current measurement (Only VBLUno51_EM)* 52- FOTA (Firmware over the air): Upgrade firmware over BLE interface. 53- Build good applications with: 54 + Compiler and IDE: GCC, Keil MDK, IAR, Eclipse, Qt Creator. 55 + Frameworks: Arduino, ARM mbed-OS, Zephyr-OS, Nordic SDK, RIOT-OS, MyNewt-OS, ChibiOS, NuttX RTOS 56 + A lot of tutorials for Arduino, mbed-os and more. 57- Pinout: Arduino Uno Rev3 compliant. 58- Power: 59 + USB port. 60 + Power adapter: +9 -> +12V. 61 + 3V Battery: CR20xx holder 62 + Rechargeable battery jump: +3.7 -> +12V 63- Open source: Hardware design, firmware, packages, tutorial and example codes 64 65See `VBLUno51 wiki page`_ for full documents and tutorials about the VBLUno51 board. 66 67Connections and IOs 68=================== 69 70LED 71--- 72 73* LED = LED0 (green) = P0.7 74 75Push buttons 76------------ 77 78* BUTTON = BUT = SW0 = P0.15 79 80More details 81------------ 82 83.. figure:: img/vbluno51_nordic_pinout.jpg 84 :align: center 85 :alt: nRF51_VBLUno51 Pinout 86 87 nrf51_vbluno51 Pinout 88 89.. figure:: img/vbluno51_frizting.jpg 90 :align: center 91 :alt: nRF51_VBLUno51 Fritzing part 92 93 nrf51_vbluno51 Fritzing part 94 95Programming and Debugging 96************************* 97 98Applications for the ``nrf51_vbluno51`` board configuration can be 99built and flashed in the usual way (see :ref:`build_an_application` 100and :ref:`application_run` for more details). 101 102Flashing 103======== 104 105The VBLUno51 board has on-board DAPLink (CMSIS-DAP) interface for flashing and debugging. 106You do not need any other programming device. 107You only need to install pyOCD tool (https://pypi.python.org/pypi/pyOCD) 108 109This tutorial uses the blinky application :zephyr:code-sample:`blinky`. 110 111See the :ref:`getting_started` for general information on setting up 112your development environment. Then build and flash the application in 113the usual way. 114 115.. zephyr-app-commands:: 116 :zephyr-app: samples/basic/blinky 117 :board: nrf51_vbluno51 118 :goals: build flash 119 120Debugging 121========= 122 123You can debug an application in the usual way. Here is an example for the 124:zephyr:code-sample:`blinky` application. 125 126.. zephyr-app-commands:: 127 :zephyr-app: samples/basic/blinky 128 :board: nrf51_vbluno51 129 :maybe-skip-config: 130 :goals: debug 131 132Testing the VBLUno51 with Zephyr: buttons, LEDs, UART, BLE 133********************************************************** 134 135 Here are some sample applications that you can use to test different 136 components on the VBLUno51 board: 137 138 * :ref:`hello_world` 139 * :zephyr:code-sample:`blinky` 140 * :zephyr:code-sample:`button` 141 * :ref:`bluetooth-beacon-sample` 142 * :ref:`peripheral_hr` 143 144References 145********** 146 147.. target-notes:: 148 149.. _VBLUno51 website: http://iotviet.com.vn/store/detail?id=2 150.. _VBLUno51 wiki page: https://vngiotlab.github.io/vbluno/ 151