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Changelog

V3.0.13

Added

  • FOTA improvements when network connection is instable and when the system is in low free RAM condition.
  • Protection fix for ZM1 modules equipped with XMC flash memory, which may brick in low voltage power conditions.
  • Support to force user provided DNS when DHCP is active in networking modules. Secondary and fallback DNSs set to Google ones.
  • SDIO support for SDCard.
  • SNAP7 write methods.

Fixed

  • I2C timeout during read operation under some conditions.
  • OPCUS read_multi() returns more descriptive error codes.
  • FOTA error code when firmware revert happens.
  • WiFi MAC address reported by wifi.info().
  • Log levels 'DEBUG' and 'ERROR' was swapped.
  • EXP-Connect selector values checks.
  • Serial readline() timeout TIME_U convertion.
  • Zerynth cloud device URLs updated in VSCode after cloud Zero-Code IIoT release.
  • VSCode option zerynth.alwaysOn to enable/disable Zerynth extention for non Zerynth projects.

V3.0.12

Added

  • socket timeout to ModbusTCP class.
  • on_reset event callback in zdm Agent.
  • opcua write functions and support for authentication with username and password.

Changed

  • Uniform get_serial*() API across all boards.

Fixed

  • pwm output on parameters change.
  • Missing size argument into Modbus _read_input() method.
  • zdm.publish() accepts dictionary payloads only.

V3.0.11

Changed

  • Build command of VSCode extension can be used with no device connected.

Removed

  • ZDM Conditions. The conditions and on_conditions parameters are remove from the init method of the zdm.Agent class. The zdm.Condition class is removed.

Fixed

  • Problem with Build and Run commands running twice with VSCode v1.65.0 and greater.

V3.0.10

Added

  • Support for Omron FINS protocol.
  • Support to get and set the board hostname.
  • Support for sensor module on ZM1-EVA device.
  • RS485 and RS232 ready to go init functions for 4ZeroBox Mobile.

Fixed

  • Problem with concurrent serial port acces when using vhalSerialReadTimeout() zOS C function.
  • Timeout could be handled the wrong way in some situation in vhalSerialReadTimeout() zOS C function.
  • Errors in VSCode when ZERYNTH_SDK_HOME environment variable contains spaces on Windows platform.
  • VSCode autoupdate to v3.0.9 from previous versions.

V3.0.9

Added

  • EthernetIP protocol support.
  • close() method in snap7 module.
  • gmtime() and mktime() functions in time module.
  • GNSS enable/disable methods in cellular module.
  • csv module.
  • Conversion function in iim42652 component.
  • Automatic tilt detection, wake on motion and significant motion detection in iim42652 component.
  • ZFS feature.
  • trunc(x, n) math function.
  • fs module functions: fs.ls(), fs.rmtree(), fs.md5(), fs.copy(), fs.move().
  • FFT module and exmaples.
  • Battery and external power source, ADC reading and checks support for 4ZeroBox Mobile.
  • dcn command for 'zdm device identity' toolchain command.

Changed

  • Fast RSSI get for already connected SSID using get_rssi() from WiFi module.
  • TensorFlow lite updated to v2.6.2.
  • Random function uses hardware RNG when available and falls back to posix rand() pseudo-random generator.
  • Default pull to INPUT_PULLNONE in gpio module functions.
  • Generate python code starting from C files dropped into "ml" directory into project resources, used by Machine Learning feature.
  • Timeout increased to 10secs for device reset requests coming from Zerynth cloud.
  • TSlog module is limited to internal flash only.
  • Zerynth SDK examples moved to https://github.com/zerynth/examples.

Fixed

  • Memory optimization for SNAP7 protocol.
  • Possible crash after cellular modem deinit().
  • Ethernet interface not reporting IP disconnection under some conditions.
  • Calling random() many times in a second returned the same value.
  • Problem on directory reading.
  • Crash when calling gpio.disable_interrupt().
  • Added extra exceptions to handle some error conditions in mqtt module.
  • When FOTA is ongoing the publish of cellular info and GNSS position are stopped to improve download stability.
  • Conversion of resistive reads for EXP-AIN, EXP-IO and 4ZeroBox Mobile. ADC range changed from 4096 to 4095
  • Timer module resets the callback triggers.
  • I2C address of the IIM hardware component mounted on the 4ZeroBox Mobile.
  • SERIAL0 port used for console can be reconfigured.
  • LED initialization after init pins function.
  • Read analog functions renamed on 4ZeroBox device: read_010 and read_420 become read_voltage and read_current. Old names still available for backward compatibility.

V3.0.8

Added

  • Configuration helper for cellular Quectel BG96 based click board on 4ZeroBox.
  • Reinitialization of expansion pins after power down of zBUS power.

Fixed

  • Crash calling board.summary() on ZM1 Development Board with EXP-CONNECT attached.
  • Claim device can fail under Windows systems with high system load.
  • Auto reconfigure cellular module serial port on EXP-CONNECT board.
  • MQTT memory leakage.
  • VSCode closes all extension activities on exit.

V3.0.7

Added

  • 4ZeroBox Mobile device support.
  • Cellular Quectel BG96 based click board on 4ZeroBox device support.
  • Function to get information about the WiFi connected Access Point.
  • Cellular and GNSS library module.
  • Tensorflow Lite support.
  • New mqtt method to wait for mqtt broker ACK for publish with QOS > 0.
  • Sensors hardware customizable parameters per expansion board.
  • Time syncronization for drift fix and onfota callback status.
  • User button default setup functions.
  • Zerynth SIM management support in SDK toolchain.
  • Zerynth VSCode extension control panel reorganized with new Zerynth SIM support.
  • Zerynth VSCode extension setting to disable automatic SDK update.
  • 'Upload firmware' available in Zerynth VSCode extension also when no board is connected to the PC/MAC.
  • SDK Examples for cellular, GNSS and Tensorflow

Changed

  • Filesystem mkdir() and rmdir() return errors via errno.
  • Bootloader updated to version 2.
  • Publish method of mqtt lib and zdm library modules take a timeout parameter to wait broker AKSs when QOS>0.

Fixed

  • Improved stability for ZM1-EVA during startup.
  • Improved stability for flash memory access on boards with CAN devices.
  • Network DNS setup problem for some DHCP based environments.
  • Fixed problems on some cases of static IP configuration on eth and wifi interfaces.
  • The 4ZeroBox_v9 does a spurious reboot cycle after an hardware reset (power on or reset button).
  • Improved SD stability on 4ZeroBox mobile.
  • pylint path error on recent macOS releases while using Zerynth VSCode extension.

V3.0.6

Added

  • DHT11 temperature and humidity sensor support.
  • WiFi WPA2 Enterprise PEAP authentication support.
  • OPC-UA network protocol.
  • ZDM logout function.
  • Example for DHT11 temperature and humidity sensor
  • Example for EXP-AIN expansion board.
  • Example for WPA2 enterprise authentication.

Changed

  • ZM1 Evaluation Board (ZM1-EVA) enabled by default in Zerynth VSCode extension.

Fixed

  • WiFi interface handling by the WiFi sniffer.
  • Problems with ethernet link loss and interface restart.
  • Upload firmware function improved regarding network timeouts.
  • Ethernet function name typo.
  • Some old examples have been updated.

V3.0.5

Added

  • WiFi sniffer.
  • TSLog peek(), next(), uncommitted() methods.

Fixed

  • TSLog reader commit.
  • Raise exception when ADC I2C read transaction fails.
  • Message dialogs displayed about already running tasks with latest VSCode versions.

V3.0.4

Added

  • Support of external serializer in TSLog module. E.g.: json, cbor, etc.
  • DS1307 based RTC (Real Time Clock) module.
  • DS1307 based RTC (Real Time Clock) is used as system clock source when DS1307 gets initialized.
  • EXP-AIN support.
  • IIR filter module.
  • WiFi scan and RSSI retrieval.
  • Support for custom connected RGB LED.
  • Support to get ADC electric values.
  • ADC parameter to read electric values.
  • Config of default pins for all boards.
  • Timeout to read() and readline() functions.
  • Example for IIM accelerometer and IIR filter.
  • Example for DS1307 based RTC.

Changed

  • Zerynth VSCode extension auto updates SDK Toolchain.
  • Sensor module accepts both EXP-IO and EXP-AIN boards.
  • On ZM1-DB board, the sensor lib has been simplified and unified for all expansion boards.

Fixed

  • TSLog recreate.
  • vhalPin functions improved for multithreading.
  • readline() method in serial module.
  • Typo in cbstd module.
  • Multiple upgrades to sensor class and standard callbacks:
    • errors explaining what is the missing kay in json resource file.
    • on missing key the related sensor name is returned.
    • raw values from sensor class can be printed.
    • custom strings can be returned in json resource file.
  • Default values and required delay for IIM42652 accelerometer module.
  • Improved connection/disconnection checks in WiFi module.
  • New exception in GPIO module.
  • 4ZeroBox ethernet phy initialization and reset line.
  • Set minimal watchdog timeout during FOTA, overriding the ZERYNTH_EARLY_WATCHDOG value set in the firmware config.yml.
  • Possible race condition in DNS resolve.
  • Common readline functions.
  • vhalSerialReadTimeout() function may not work under some conditions.
  • Enabled FAT32 Long File Names (LFN) support.
  • TLS transactions may interfere with I2C attached peripherals under some conditions.

V3.0.3

  • redesigned and improved Zerynth Control Panel in the VSCODE Extension.
  • 'Erase device' function, erases completely the flash memory of the device.
  • 'Fast Burn' function.
  • 'ztc device erase' new command to erase/forget the connected board flash.
  • Added support for Cryptography libraries
  • Improved error handling in VSCODE Extension.
  • Several bug fixes and improvements in Zerynth OS.

V3.0.2

  • Enable Debug messages in VSCODE Extension.
  • Several bug fixes and improvements in Zerynth OS.

V3.0.1

  • User experience improvements in various peripherals in Zerynth OS.
  • Various Bug fixes related to VSCODE extension and the USB drivers of Zerynth boards.

v3.0.0

v3.0.0 is the first release of Zerynth SDK v3.x