Firmware Release v1.18.2.r4

Improvements:

• Releasing GIL when ssl handshake is performed.
• Allow PDN list update when carrier is defined in LTE
• Add support for LTE modem responses greater than UART buff size
• Added Check for LTE band support against both SW and HW versions of the LTE modem.
• Updated Sqns upgrade scripts to v1.2.5

Bug Fixes:

• Enabling Access to 2nd SPI perf for GPY modules
• Use Hardware timers for Lora timer tick to fix RTOS timer drifts when cache is disabled.

Firmware release v1.18.2.r3

Bug Fix:

• Fixed SPI bug causing MOSI line always outputting 0x55 when a Buffer of Data is passed to pub_transfer.

Firmware release v1.18.2.r2

Improvements:

• Added API do_handshake for performing handshake operation for ssl/tls non- blocking socket connections
• Added Timeout option for ssl/tls handshake operation
• Amended ESP-IDF Error Codes to Micropython QSTR
• Updated sqnsupgrade script to v1.2.3

Bug Fix

• Fixed crash caused by UART I/O APIs called after UART.deinit

Firmware Release Candidate v1.20.0.rc8

New Features

• Pymesh Border Router

Improvments

• Added API to Enable/Disable Bluetooth modem Sleep
• Merged IDF_V3.1 updates from Essprisif
• Amended Micropython Error Codes with ESP, LWIP, MBEDTLS, DNS error codes
• Updated Sqnsupgrade lib to v1.2.3

Bug Fixes

• Fix Issue: Wifi not resuming after 2nd light sleep wakeup cycle
• Fix Uart crash Issue when UART I/O functions are called after deinit

Firmware release v1.18.2.r1

Bug Fix

• Fix for wrong kw arguments acquisition in LTE.attach and LTE()

Firmware Release Candidate v1.20.0.rc7

New Features

• Pymesh feature added from Pygo

Improvments

• Adding do_handshake for non-blocking sockets
• Gracefully handle EAGAIN return of Socket.write in AwsMQTT lib
• make openthread over lora a build-time configuration option (Author: @martijnthe)
• Added factory LTE modem reset option and method to check UE coverage
• New API in modusocket to get/set DNS servers
• Updated frozen Sequans modem upgrade scripts
• Improved PPP session suspend/resume mechanism with LTE modem
• Wifi AP mode on boot now is using only Default AP and SSID -> Initially the onboot wifi mode was using the ssid/pwd configured in pycom-config saved in flash which caused
  inconvenience for some users when switching between Pybytes FW and other Base FWs since the AP would be brought up with same ssid/pwd. This is now removed and in next releases wifi config saved in flash will be improved for more efficiency and relaiability.
• Updated Pybytes lib

Bug Fixes

• Fix an issue in cleaning up user threads during of soft-reset
• Fix issue causing Device crash when safe booting (CTRL-F) while BLE/Wlan enabled
• LTE module bug fixes
• Fix Makefile bug where SIPY FIPY and LOPY4 excluded secure boot
• Fixed crashinf Issue when LoRa/sigfox are initialized before LTE or Wlan
• Fixed Issue in SecureBoot mechanism that caused compilation error when Secure Boot is enabled

co-authored by: @Xykon cehlers@pycom.io and @martijnthe

Firmware Release v1.18.2

Improvments

• Updates to MQTT lib.
• Added API to Get/set DNS servers.
• Updated Sequans FW upgrade scripts
• Enabled LCP Echo interval in IDF
• Improvedd PPP session suspend/resume
• Wifi AP mode on boot now is using only Default AP and SSID -> Initially the onboot wifi mode was using the ssid/pwd configured in pycom-config saved in flash which caused inconvenience for some users when switching between Pybytes FW and other Base FWs since the AP would be brought up with same ssid/pwd. This is now removed and in next releases wifi config saved in flash will be improved for more efficiency and relaiability.
• Added factory modem reset option , method to check UE coverage and Bug fixes

Bug Fixes

• Fixed socke.connect Crash problem when LoRa/Sifgfox initialized before Wifi/LTE
• Updates and bug fixes for LTE module
• Fixed bug in spi.read()..The parameter write=.. in spi.read() was ignored. Instead always 0x55 was sent. (author @robert-hh )
• MQTTlib: Gracefully handle EAGAIN return of Socket.write
• fix an issue in cleaning up user threads during of soft-reset
• Fix issue causing Device crash when safe booting (CTRL-F) while BLE/Wlan enabled
• Fix makefile bug excluding SIPY FIPY LOPY4 from secure Boot process

Firmware Release Candidate v1.20.0.rc1

Improvments

• Exposed Keyboard Interrupts Control to Micropython

Bug Fixes

• Fixed DeepSleep high current Consumption when LTE is not Initialized
• Increased Delay before initialising RGB color to not Have RGB turn green at startup

Firmware Release Candidate v1.20.0.rc0

Improvements:

• Organized ports under one directory
• Micropython v1.9.4
• Disable/enable GIL when transmitting/receiving pulses in RMT module
• Unlock the GIL while accessing queues
• Add script to build release package via makefile or script in tools
• Improving Non-Blocking sockets
• Adaption for uasyncio MicroPython library
• Exposing new Socket Options
• Major LTE module Updates
• Re-structring of Frozen folder
• Fixed Issue with memory leak in thread lock creation
• Fixed problem in antenna switch in newer esp32 chip models
• General fixes and improvements to the LoRaWAN stack
• Applied workaround for socket.connect timeout
• Added timeout option for ussl.wrap_socket to timeout SSL Handshake
• Enabled reading the value of any descriptor with standard defined 2byte UUID in BLE
• Added Bluetooth timeout parameter to bluetooth.connect()
• Added support for new LTE bands (5,8)

New Features:

• Introduced new Filesystem LittleFS
• Enabled uzlib in Micropython
• Added LightSleep functionality
• Added Dynamic filesystem functionality and new Bootmgr function in Pycom module
• Added support for RTC memory operations Read/Write
• Added Lora Mesh - openthread protocol
• Build Process now support building Pybytes firmwares via Build option VARIANT
• New Frozen Libs for LTE Sequans modem upgrades

WiFi Updates:

• Added new API to get list of STAs connected to Soft-AP
• Updated wlan_scan to include other parameters
• Added timout handling in wlan_connect + refactoring
• Added new API for setting max tx power for Wifi
• Added Set/Get API for Country configuration
• Refactored "wlan_setup" function
• Fixed Issue of ftp/telnet servers enabling when wifi_on_boot is not enabled
• Added new API wlan.joined_ap_info()
• Added API to get/set wifi protocol + updated wlan_channel to support sniffing
• Added support for setting mac addr for STA and AP
• Added API for sending Raw 80211 messages
• Added promiscuous mode

Firmware Pre-release v1.18.1.r6

• Fixed issue in LTE module causing connection termination after LTE.isattached() is called after connection is established.