Adafruit OLED 1.8 display on DK51 board

Integration of Adafruit OLED ST7735 1.8 display on Nordic Semiconductor NRF51 DK board

Scope

• SPI communication between NRF51 board & display
• fill screen with specified color
• joystick (5 actions) switch through a sequence of color/image
• draw 128x160 bitmap 16 bit

Configuration

• armgcc toolchain
• no softdevice flash required
• nRF5 SDK 12.3.0

Setup/Installation

• follow SDK/Toolchain Installation steps section of this tutorial

• specify NRF51 SDK directory with :

export NRF51_SDK_DIR=/path/to/sdk

Build

make

Upload

//erase firmware
nrfjprog --family  nRF51 -e

//upload firmware
nrfjprog --family  nRF51 --program _build/nrf51422_xxac.hex

//start firmware
nrfjprog --family  nRF51 -r

or

./upload.sh

To debug your code : check this link

External projects

• https://github.com/NordicSemiconductor/nrf51-ADC-examples
• https://github.com/adafruit/Adafruit-ST7735-Library
• https://github.com/NordicSemiconductor/nrf51-ble-app-lbs
• Nordic Semicondictor NRF51 SDK SPI sample code
• https://github.com/bertrandmartel/spi-master-slave-dk51

License

The MIT License (MIT) Copyright (c) 2020 Bertrand Martel