NINA-B3 series - System integration manual
UBX-17056748 - R13 Software Page 17 of 72
C1-Public
2.2 Open CPU
2.2.1 Nordic nRF5 SDK
The Nordic nRF5 SDK includes a broad selection of drivers and libraries and provides a rich
development environment for various devices and applications. The SDK is delivered as a plain zip
archive, which makes it easy to install. The SDK comes with support for the SEGGER Embedded
Studio, Keil and IAR IDEs, as well as the GCC compiler, which offers the freedom to choose the IDE and
compiler.
Getting started on the Nordic nRF5 SDK
When working with the Nordic SDK on the NINA-B3 series module, follow the steps below to get
started with the Nordic Semiconductor toolchain and examples:
1. Download and install the nRF Connect application and install the Programmer app, which allows
programming over SWD, from www.nordicsemi.com.
2. Download and install the latest SEGGER Embedded Studio from www.segger.com.
3. Download and extract the latest nRF5 SDK found on
http://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRF5-SDK to the directory that
you want to use to work with the nRF5 SDK.
4. Read the information in the SDK Release Notes and check the nRF5 software development kit
documentation available at the Nordic Semiconductor Infocenter [14].
The easiest way to get started with the Nordic SDK is to copy one of the examples in the SDK. Choose
an example that best matches your needs and use the board definition that is most like your board. If
you are building for NINA-B3 the closest board definition is the
pca10056.
Create a custom board for Nordic SDK
The predefined hardware boards included in the Nordic SDK are Nordic development boards only. To
add support for a custom board, create a custom board support file called custom_board.h. This file is
normally located in the folder …\components\boards\ or included together with the sdk_config.h file in
the config folder of the example.
The custom board can then be selected by adding the define statement #define BOARD_CUSTOM.
☞ The referenced file location is in accordance with Nordic nRF5 SDK version 17.0.
Figure 3shows an example of how the custom board support file might look like for EVK-NINA-B3.
#ifndef CUSTOM_BOARD_H
#define CUSTOM_BOARD_H
#ifdef __cplusplus
extern "C" {
#endif
#include "nrf_gpio.h"
// In this file PIN 25 is used as button SWITCH_1, if the GREEN led
// should be used it is possible to defined that one instead.
#define LEDS_NUMBER 2
#define LED_1 NRF_GPIO_PIN_MAP(0,13) // RED
#define LED_2 NRF_GPIO_PIN_MAP(1,00) // BLUE
// #define LED_3 NRF_GPIO_PIN_MAP(0,25) // GREEN
#define LEDS_ACTIVE_STATE 0
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