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Add support for Nordic Semiconductor nRF5 based boards #30

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Add support for Nordic Semiconductor nRF5 based boards #30

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21 changes: 20 additions & 1 deletion MCU.md
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Expand Up @@ -113,4 +113,23 @@ Todo

# Raspberry Pi Pico - RP2040

Todo
Todo

# Nordic Semiconductor nRF5 based boards

Unique ID copies the `DEVICEID` information from a struct located at a specific memory location provided by the BSP ([NRF_FICR_Type](https://github.com/sandeepmistry/arduino-nRF5/blob/master/cores/nRF5/SDK/components/device/nrf52.h#L713)).

| UniqueID8 | nRF5 |
| :-------: | :------: |
| Byte 0| Byte 0 |
| Byte 1| Byte 1 |
| Byte 2| Byte 2 |
| Byte 3| Byte 3 |
| Byte 4| Byte 0 |
| Byte 5| Byte 1 |
| Byte 6| Byte 2 |
| Byte 7| Byte 3 |

## Tested Microcontroller

* Micro:bit
3 changes: 2 additions & 1 deletion README.md
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@@ -1,6 +1,6 @@
# ArduinoUniqueID

This Library gets the Unique ID / Manufacture Serial Number from the Atmel AVR, SAM, SAMD, STM32, and ESP Microcontroller.
This Library gets the Unique ID / Manufacture Serial Number from the Atmel AVR, SAM, SAMD, STM32, ESP and nRF5 Microcontroller.

[![Compile Sketch](https://github.com/ricaun/ArduinoUniqueID/actions/workflows/Compile-Sketch.yml/badge.svg)](https://github.com/ricaun/ArduinoUniqueID/actions)

Expand All @@ -16,6 +16,7 @@ ArduinoUniqueID supports the [Microcontrollers](MCU.md).
* Espressif ESP
* Teensy
* Raspberry Pi Pico - RP2040
* Nordic Semiconductor nRF5 based boards (e.g. Micro:bit)

# Installation

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2 changes: 1 addition & 1 deletion library.properties
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Expand Up @@ -3,7 +3,7 @@ version=1.3.0
author=Luiz Henrique Cassettari
maintainer=Luiz Henrique Cassettari <[email protected]>
sentence=Arduino Library to gets the Manufacture Serial Number from the Atmel AVR, SAM, SAMD, STM32, and ESP Microcontroller.
paragraph=The ArduinoUniqueID Library use the buildin feature to select the manufacture serial number from the microcontroler. Suported microcontroler: Atmega328pb, Atmega328p, Atmega2560, Attiny85, SAM3X8E, SAMD21, STM32, ESP8266 & ESP32.
paragraph=The ArduinoUniqueID Library use the buildin feature to select the manufacture serial number from the microcontroler. Suported microcontroler: Atmega328pb, Atmega328p, Atmega2560, Attiny85, SAM3X8E, SAMD21, STM32, ESP8266, ESP32 & nRF5.
category=Other
url=https://github.com/ricaun/ArduinoUniqueID
architectures=avr, esp8266, esp32, sam, samd, stm32, rp2040, mbed_rp2040, mbed_nano, teensy
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11 changes: 11 additions & 0 deletions src/ArduinoUniqueID.cpp
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Expand Up @@ -191,6 +191,17 @@ ArduinoUniqueID::ArduinoUniqueID()
id[8] = SIGROW.SERNUM8;
id[9] = SIGROW.SERNUM9;

#elif defined(NRF51_SERIES) || defined(NRF52_SERIES) || defined(NRF53_SERIES)
NRF_FICR_Type ficr = *NRF_FICR;
id[0] = ficr.DEVICEID[0] >> 24;
id[1] = ficr.DEVICEID[0] >> 16;
id[2] = ficr.DEVICEID[0] >> 8;
id[3] = ficr.DEVICEID[0];
id[4] = ficr.DEVICEID[1] >> 24;
id[5] = ficr.DEVICEID[1] >> 16;
id[6] = ficr.DEVICEID[1] >> 8;
id[7] = ficr.DEVICEID[1];

#endif
}

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6 changes: 5 additions & 1 deletion src/ArduinoUniqueID.h
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Expand Up @@ -24,8 +24,9 @@
#include "pico/bootrom.h"
}
#elif defined(ARDUINO_ARCH_MEGAAVR)
#elif defined(NRF51_SERIES) || defined(NRF52_SERIES) || defined(NRF53_SERIES)
#else
#error "ArduinoUniqueID only works on AVR, SAM, SAMD, STM32, Teensy, RP2040, megaAVR and ESP Architecture"
#error "ArduinoUniqueID only works on AVR, SAM, SAMD, STM32, Teensy, RP2040, megaAVR, nRF5 and ESP Architecture"
#endif

#if defined(ARDUINO_ARCH_AVR)
Expand Down Expand Up @@ -65,6 +66,9 @@
#elif defined(ARDUINO_ARCH_MEGAAVR)
#define UniqueIDsize 10
#define UniqueIDbuffer 10
#elif defined(NRF51_SERIES) || defined(NRF52_SERIES) || defined(NRF53_SERIES)
#define UniqueIDsize 8
#define UniqueIDbuffer 8
#endif

#define UniqueID8 (_UniqueID.id + UniqueIDbuffer - 8)
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