Developer World Spresense
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Table of Contents

v2.0.1 (2020/06/16)

Summary

  • Feature improvement are available

Improved features

  • [Build] The memory size of the main core application can be changed by linker in the SDK exported environment.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v2.0.1

v2.0.0 (2020/06/12)

Summary

New features and feature enhancements

  • [NuttX] Update a kernel to NuttX version 8.2. It is available to use a new device drivers and new features.

    • Support a Telit’s GS2200M driver.

    • Support a POSIX API setjmp()/longjmp().

    • Support a SMP feature.

    • Supported a various file systems(SmartFS/LittleFS/UserFS/SPIFFS/Cromfs/FAT/Romfs/etc.).

    • Supported a various network protocols(TCP/UDP/IPv4/IPv6/ARP/ICMP/DNS/DHCP/NFS/SMTP/TELNET/HTTP/etc.).

    • Please refer to here for the details of NuttX features.

  • [NuttX] Available for NuttX original applications. It can be used a various sample applications and utility libraries for Spresense.

    • FTP Client / FTP Server

    • Web Server / Web Client

    • RNDIS

    • LittlevGL Graphics library

    • cJson Parser

    • BASIC Interpreter

    • PDCurses

    • LittleFS

    • Loadable ELF

    • embedLog

    • etc.

  • [Examples] By making NuttX apps available, the sample code directory has been split into the following two locations.

  • [Build system] Integrated the build system that was separated by Kernel and SDK into one

  • [UART] Enabled to change the setting of serial terminal by Termios API

  • [GNSS] Add support for positioning using Galileo/BeiDou satellite

    • Please refer to GNSS.

  • [GNSS] Supports accurate 1-second cycle signals(1PPS signals) output based on satellite time information

  • [LTE] Add LTE daemon for NuttX network stack

  • [Graphics] Supports alpha blending of 2D graphics by using CXD5602 hardware accelerator.

Examples

  • [Camera] Refactored camera example.

  • [MultiWebCamera] Using the Spresense Camera and Wi-Fi. A simple WebCamera app sample has been added.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v2.0.0

v1.5.1 (2020/03/10)

Summary

Feature enhancements

Improved features

  • [GNSS] Fix a problem that the velocity of PVT log is incorrect.

  • [Sleep] Fix an issue where it would not wake up when entering Deep Sleep after more than 36 hours of power on.

Additional example

  • [Audio] Add an example (audio_sound_effector) of sound effector with low latency.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.5.1

v1.5.0 (2019/12/18)

Summary

New features and feature enhancements

  • [LTE] Officially supported LTE extension board "CXD5602PWBLM1J"

  • [Camera] Add JPEG as a pixel format for video stream

Improved features

  • [SD Card] Fixed the problem that the SD card was not mounted when insert and remove the SD card quickly.

How to get source codes

git clone --recursive https://github.com/sonydevworld/spresense.git -b v1.5.0

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