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Revision History ​

Version 2.2.2 ​

  • Optimized the print that may lead to the dump of coolwatcher.
  • Added the length limit of ProductKey/ProductSecret.
  • Fixed the problem of module dump in buffer mode.
  • Optimized the DNS policy in PSM mode.
  • Optimized the format and value range in the response of some test commands.

Version 2.2.1 ​

  • Optimized the compatibility of AT and QuecOpen solutions.
  • Optimized DNS policy.

Version 2.2.0 ​

  • Optimized the feature that the receiver filters duplicative packages automatically when receiving data.
  • Fixed module dump caused by OTA upgrade failure.
  • Fixed the problem of precision loss for floating-point numbers.
  • Fixed the problem that no other data can be sent when a block of data failed to be sent when data is sent by blocks.
  • Fixed the problem that the linked list is not cleared when the device disconnects from Developer Center.
  • Fixed the problem that ACK error occurs occasionally when the device sending data.
  • Changed the default connection domain name.

Version 2.1.3 ​

  • Modified the device information reporting policy.
  • Fixed the problem that the information of a device integrated with a Quectel module is displayed incompletely when the device is connected to China Telecom AEP platform.

Version 2.1.2 ​

  • Supports device bootstrap and registration on Developer Center.
  • Supported registering devices on China Telecom AEP.
  • Supported obtaining and reporting module basic information and status.
  • Added the business feature of downlinking and uplinking transparent transmission data.
  • Added the business feature of TSL model reporting, delivery, Developer Center reading request and device response.
  • Supported choosing TSL model data format from TTLV and JSON .
  • Added the business feature of reporting the location data of the built-in positioning feature and the location data obtained from external GNSS module.
  • Supported FOTA and SOTA (unavailable to devices connected to China Telecom AEP currently).
  • Supported DTLS communication and encrypting session communication data.
  • Supported configuring DK and DS.