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Adafruit nRF52 Arduino Core Changelog

0.9.3

  • Correct bootloader version text in IDE to 0.2.6
  • Fixed #173 bleuart return incorrect value when failed to send (PR #178 thanks Nenik)
  • Added Client Battery support BLEClientBas
  • Added BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST event support for Central
  • Added Jlink as programmer to upload sketch #133
  • Fixed issue with high speed uart baud ~ 1 Mbps (PR #158 thanks Ureloc)
  • Add HardwardPWM removePin(), refactor hwpwm.ino sketch
  • Fixed print float issue with precision > 10

0.9.2

  • Fully support Feather nRF52840
  • Update bootloader with new led pattern
  • Fix #203: return software timer handle

0.9.1

  • Rename FileIO.h to Bluefruit_FileIO to prevent conflict with other libraries.
  • Minor upgrade for bootloader to prevent issue with WDT enabled by application
  • 52840: call cdc flush before delay()

0.9.0

  • Added nRF52840-based board support (pca10056 and feather nRF52840 express)
  • Upgrade bootloader to v6.1.1 ( single bank only )
  • Upgrade BSP code to match SD v6
    • Bluefruit.Scanner.resume() must be called in scan callback to resume scanning after received an report.
  • Upgrade freeRTOS from v8 to v10.0.1
  • Upgrade Segger SysView to 2.52d
  • Added nrfx to core
  • Added tinyusb stack to libraries
  • Added LittleFS to replace NFFS
  • Added FileSystem Libraries base on SD File API
    • InternalFS use LittleFS to manage internal flash for bonding and other user data
    • ExternalFS use fatfs to manage external spi flash (nrf52840 only) for usb msc.
  • Replace cpritnf by std printf
  • Added HwPWM3 for nRF52840
  • Added ISR_DEFERRED option for attachInterrupt() to defer callback from ISR context
    • Added digital_interrupt_deferred sketch for demo
  • Added support for using the Low Frequency RC oscillator ( PR #144 thanks to @jeremypoulter )
    • USE_LFRC or USE_LFXO must be defined in board's variant.h
  • Fixed Scanner running state when timeout ( PR #186 thanks to @Ryscho )
  • Fixed #192 Client Characteristic write() return number of writtent instead of error code
  • Added #181 Bluefruit.setEventCallback() for user to handle ble event

0.8.6

  • Fixed dbgDumpMemory for buffer > 255 byte, thanks to @airbornemint
  • Added setConnSupervisionTimeout and setConnSupervisionTimeoutMS ( PR #177 thanks to @airbornemint )
  • Decrease gpio's interrupt level to 2 to avoid conlfict with SD timing critical task ( PR #179 thanks to @Nenik )
  • Fixed #174 window build error with Arduino 1.8.6 with verbose = off

0.8.5

  • Migrate nrfutil to adafruit-nrfutil, executable binaries for windows and macOS are included.
  • Implement #166 BLE HID Keyboard LED receive from Central, update hid_keyscan & hid_keyboard example.
  • Add hardware's systick sketch example
  • Add software timer's sketch example

0.8.4

  • Fix #160: hardware PWM issue that cause Servo freq is 640 hz instead of 50hz
  • Fix #134: hardcoded pulse limits with Servo
  • Fix upload issue with windows when username has spaces
  • Support serialEvent()

0.8.3

  • Enhanced indicate API() to wait for confirm or timeout from peer.
  • Added BLEScanner filterService() for BLEService and BLEClientService
  • Enhanced bonding management to support central bond and re-connection
  • Added BLEClientHidAdafruit implementation for client HID
    • Added Central HID example
  • Enhanced BLEHidGeneric/BLEHidAdafruit to support boot protocol mode.
  • Fixed I2C lock-up when endTransmission() is called with empty txBuffer.
  • Fixed #125 : DFU temp memory typo
  • Fixed #126 : setWriteAuthorizeCallback typo
  • Fixed #90 : using VDD as analog reference

0.8.2

  • Fixed burning bootloader issue with MacOS
  • Added gpstest_swuart example sketch
  • Added indicate API for BLECharacteristic
  • Added custom_htm as usage example for indicate API.
  • BLEClientCharacteristic
    • Added setIndicateCallback(), issue #113
    • Added useAdaCallback option to setNotifyCallback(), setIndicateCallback()
    • Change notify callback signature from notify_cb(BLEClientCharacteristic& chr, uint8_t* data, uint16_t len) to notify_cb(BLEClientCharacteristic* chr, uint8_t* data, uint16_t len)

0.8.1

  • Prevent sketch compiled with S132 v2 upload to device running S132 v5 and vice versa.

0.8.0

Core

  • Added IDE programmer and DFU option to upgrade bootloader from IDE.
  • Added IDE option to choose either old & new bootloader (Softdevice 2.0.1 and 5.1.0)
  • Added printBufferReverse() for Print class.
  • Added Error String for easier debugging.
  • Added analog oversampling #89 thanks to @Ureloc.

BLE

  • Upgrade Bluetooth 5 with Softdevice to S132 v5.0.0
  • Support max ATT MTU up to 247 (configurable)
  • Added SoftDevice configuration that affects SRAM used by SD. These function must be called before Bluefruit.begin()
    • configServiceChanged() add service changed characteristic
    • configUuid128Count() set the number of max uuid128 base
    • configAttrTableSize() set the size of buffer for GATT table
    • configPrphConn(), configPrphBandwidth() set the connection bandwidth setting for peripheral connections
    • configCentralConn(), configCentralBandwidth() set the connection bandwidth setting for central connections
  • BLEAdvertising
    • Added multiple services aaddition API
    • Added addManufacturerData()
    • Added getInterval() to retrieve current active interval
    • Added Slow interval callback support via setSlowCallback()
  • Added setPresentationFormatDescriptor() support
  • Added addDescriptor() for BLECharacteritsic
  • Added set/get appearance
  • Added experimental (work in progress) BLE Homekit
  • Enhanced bleuart to work with larger MTU
  • Partially support data length extension
  • Added BLECLientCharacteristic isValid() and read 8,16, 32 bit
  • Added cental_custom_hrm example for how to use client service and characteristic
  • BLECharacteristic
    • Added read8(), read16(), read32(), write8(), write16(), write32(), notify8(), notify16(), notify32()
    • Remove read(), write(), notify() with different uint8_t, uint16_t, uint32_t, int variant to prevent confusion
  • Added discover(), discovered() to BLEClientCharacteristic
  • Added getHandleRange() to BLEClientService

Bug Fixs

  • Fixed #92 PWM incorrect logic check, thanks to @burbankb
  • Fixed issue #108 with GPIO output when reset.
  • Fixed an discovery bug introduced in 0.7.5
  • Fixed #99 setStopCallback() for BLEScanner is not implemented
  • Fixed #104 non-English keyboard BLE Hid, thanks to @ogatatsu
  • Fixed weekday for client_cts example
  • Fixed #110 Advertising.isRunning() returns true if stopped manually

0.7.5

Core

  • Change FreeRTOS to tickless mode
  • Added systemOff() to enter System Off mode
  • Added suspendLoop() to disable loop() task to further save power
  • Correct waitForEvent() function with SoftDevice enabled and disabled.
  • Added RotaryEncoder support for both Hardware and Software Encoder.
    • Software Encoder couldn't response fast enough due to gpio interrupt latency
  • Ada Callback task is started along with loop task, used as worker thread to defer interrupt callback.

BLE

  • Fixed Characteristic Descriptor discovery issue with ancs
  • Fixed memory issue with discovery characteristic

0.7.0

Core

  • Added printf with float format aka %f
  • Added Servo library port
  • Added Firmata library with BLEUART (AKA Nordic UART Service) support
    • New example via BLEUART at Peripheral\StandardFirmataBLE
  • Enhanced Adafruit_FIFO: added overwriteIfFull(), begin(). Changed constructor signature.
  • Added Serial.setPins() to remap Serial RX and TX pin location. Must call before Serial.begin()!
  • Added SoftwareSerial support

Bluefruit

  • Renamed Bluefruit.peerAddr() to Bluefruit.getPeerAddr()
  • Added connection handle to the connect and disconnect callback prototypes
  • Change signature of Bluefruit.getName()
  • Add printInfo() for configuration summary
  • Change Bond Data layout to include paired Device Name. CCCD setting is also saved to the same file --> one file for each bond.

BLEGap

  • Added getAddr() and setAddr()

BLE Service

  • Added BLEClientUart& reference pointer to BLEClientUart RX callback
  • Added new BLEClientCtsclass for client side Current Time Service
  • Added bufferTXD() to BLEUart service to handle consecutive small write()calls
  • Added EddyStoneUrl support
    • New example Peripheral\eddystone_url
  • New hid example demonstrate how to implement an keyboard Peripheral\hid_keyscan

BLEAdvertising

  • Separated BLEAdvertisingData and BLEAdvertising
  • Added setStopCallback() support to declare a callback when advertising stops
  • Added the option to advertise for a specific time period. There are multiple timeouts: initial fast advertising mode, slow advertising mode, and an optional delay to stop advertising entirely. Values can be set in multiples of timeout ticks (0.625ms per unit) or in ms (approximate since it gets converted to 0.625ms units). The optional timeout to stop advertising entire is set via the .start(timeout) parameter.
  • Blue LED will blink 2x faster in fast mode compared to slow mode.
  • Default advertising timeout in slow mode = 30 seconds. Default adv interval in fast mode = 20 ms, slow mode = 152.5 ms
  • Expanded addUuid(), addService() to take a list of UUID
  • Added new example advance_adv

BLEGAP (To support multiple connections, etc.)

  • Added getRole() to distinguish between peripheral/central

BLECentral

  • Move scanner & report parser into new BLEScanner class
  • New example showing how to scan for multiple peripherals with a specific advertising signature (examples/Projects/rssi_proximity).
  • Added a new Dual Roles example DualRoles\dual_bleuart

0.6.5

Core

  • Fixed setName() issue
  • Added SRAM usage to output when compiling
  • Reduced stack size from 3KB to 2KB, and added functions dbgStackUsed() and dbgStackTotal() for dynamic stack usage
  • Fixed #48 SPI & I2C warnings
  • Changed board defines from ARDUINO_FEATHER52 to ARDUINO_NRF52_FEATHER (ARDUINO_FEATHER52 still exists for backward comaptiability)
  • Changed pin in hwpwm and hid_camerashutter sketches
  • Updated NFFS code to mynewt v1.0.0
  • Added event recording support using Segger's Sysview

BLE

  • Updated for the latest Bluefruit LE Connect version with RGBW support
  • Implemented Gatt readCharByUuid()
  • Implemented Gap getPeerName()

New Examples

  • Added Low Level format sketch for filesystem: libraries/nffs/examples/EraseNffs

0.6.0

Core

  • Added a HardwarePWM class to support up to 12 PWM channels, compatible with Adafruit_Neopixel version 1.1.0 or higher
  • Added waitForEvent() as alias for __WFE() instruction
  • Changed FreeRTOS tick source from systick to RTC for low-power mode. configTICK_RATE_HZ changed to 1024. Upgraded port_cmsis_systick.c to SDK13 for bug fix.
  • Enabled FreeRTOS's Idle hook, and call waitForEvent() in the Idle hook if rtos_idle_callback() is not defined
  • Added rtos_idle_callback() as an optional callback to handle background tasks in user sketches
  • Added a mutex to prevent UART conflicts
  • Add a SoftwareTimer wrapper class for FreeRTOS's software timer
  • Increased configMINIMAL_STACK_SIZE from 60 to 100, Increased configTIMER_TASK_STACK_DEPTH from 80 to 100

BLE Library

  • Add initial Central support and Gatt client service/characteristic classes
    • Added BLEClientService
    • Added BLEClientCharacteristic: support for long read/write, write with/without response.
    • Added BLEDiscovery
  • Added BLEGap and BLEGatt to manage peripheral & central with Gatt client and server support
  • BLE API changes
    • Added connPaired(), requestPairing()
    • Renamed BLEBas.update() to .write()
    • Changed Bluefruit setConnInterval()/setConnIntervalMS() return types from err_t to bool
    • Changed BLECentral startScanning()/stopScanning()/connect() return types from err_t to bool
    • Changed BLECharacteristic notify() return type from err_t to bool
    • Changed BLEHid report() function return type from err_t to bool
    • Changed BLEMid send()/sendSplit() return type from err_t to bool
  • New BLE services
    • BLEAncs (Apple Notification Center Service)
    • BLEClientUart
    • BLEClientDis
  • Added separate thread for callbacks to allow most API functions to be invoked directly inside the callback handler

Tools

  • nrf5x-command-line-tools is moved to tool dependency to fix windows 10 installation issue #28

New Examples

  • Hardware/
    • hwpwm
    • Fading
  • Central/
    • central_bleuart
  • Peripheral/
    • ancs
    • ancs_oled
    • hid_camerashutter

0.5.1

  • Enhanced BLEUuid
  • Fixed various typos

0.5.0

  • Initial release