Developer World Spresense
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Table of Contents

v1.4.2 (2019/11/15)

Summary

  • Feature improvement is available

Improved features

  • [Audio] Reduced the boot time of DSP Codec binary in SPI-Flash.

  • [Build] Support for using a user name with multi-byte code in a Windows environment.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.4.2

v1.4.1 (2019/10/04)

Summary

  • Feature improvement is available.

Improved features

  • Fix minor bugs.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.4.1

v1.4.0 (2019/09/09)

Summary

New features and feature enhancements

  • [Audio] Add a framework for implementing Voice recognition with another CPU core.

Improved features

  • [System] Improved transfer speed in Zmodem.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.4.0

v1.3.1 (2019/07/11)

Summary

  • Feature improvement is available.

Improved features

  • [GNSS] Improve GNSS sensitivity when SD card is inserted(without accessed).

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.3.1

v1.3.0 (2019/06/05)

Summary

New features and feature enhancements

  • [Audio] Add a framework for implementing signal processing of microphone input with another CPU core.

  • [Math] Supported the Math library(Newlib).

Improved features

  • [GNSS] Fixed the problem that GNSS positioning can not start immediately after system startup.

  • [SD] Improved the access performance of the SD card.

Additional samples

  • [Audio] Updated a sample (audio_recorder) to perform DSP filtering in MicFrontend.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.3.0

v1.2.1 (2019/04/25)

Summary

New features and feature enhancements

  • [GNSS] Support to output "DC Report" ($QZQSM) from NMEA sentences.

Improved features

  • [GNSS] Improve stability when starting positioning by using hot start.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.2.1

v1.2.0 (2019/03/15)

Summary

New features and feature enhancements

  • [AI] Support Multicore DNN Runtime.

  • [Sensor] Add "step-counter" with Activity Recognition.

  • [Sensor] Add a pressure sensor driver for "BM1383AGLV" on Rohm Add-on board.

  • [Image] Add "libjpeg" library for JPEG decode.

  • [Network] Add mbedTLS version 2.6.0.

Improved features

  • [Tool] Improve the progress bar when uploading your application.

New samples

  • [Graphics] Add NX Graphics example applications.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.2.0

v1.1.3 (2019/01/16)

Summary

  • New features and feature enhancements are available.

New features and feature enhancements

  • [Camera] Support Gamma correction.

  • [Audio] Support I2S output with Object Level API.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.1.3

v1.1.2 (2018/12/17)

Summary

  • No new update in this release for this repository.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.1.2

v1.1.1 (2018/11/26)

Summary

  • New features and feature enhancements are available.

New features and feature enhancements

  • [Audio] Support 192kHz/48kHz sampling, 24bit wav recording.

  • [Audio] Support selectable api for audio analog drive power for AC-out or speaker-out.

  • [Camera] Support auto exposure and manual exposure time setting.

  • [Camera] Support still picture with specified number of burst capture.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.1.1

v1.1.0 (2018/10/25)

Summary

New features and feature enhancements

  • [Camera] Capturing of uncompressed and JPEG compressed image data by using ISX012 camera module.

  • [DNNRT] Deep Neural Network runtime library added.

  • [GNSS] Japanese GNSS satellite QZSS Michibiki: L1C/A complementation signal and L1S augmentation signal are now supported.

  • [Audio] Supports 88.2/96/176.4kHz, 24bit wav decoding.

  • [Other] ARM(tm) CMSIS library added.

Improved features

  • [Other] PWM pins number 3, 5, 6, 9 are changed to stay high just after startup.

  • [Other] PWM sample application added.

  • [Other] uname command in NutShell now shows SDK version.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.1.0

v1.0.2 (2018/08/31)

Summary

  • Some audio advanced features are released.

Additional features

  • Support monaural sound playback in WAV format file.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.0.2