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Pico OpenPGP 3.2

We are thrilled to announce the release of Pico OpenPGP version 3.2, a maintenance update that introduces new features, critical enhancements, and important bug fixes. Here’s an overview of what’s included:

New Features

  • Rollback Version Support: Enabled rollback version functionality for boards with RP2350 MCU, ensuring safer firmware updates.
  • Nightly Builds: Introduced nightly builds to provide users with access to the latest development versions.
  • SET_DATA_RET_AND_CLOCK CCID Command: Added support for this advanced command to enhance functionality.
  • Variable Timeout for Push Button Press: Timeout settings for the push button press are now adjustable.
  • Variable USB Product Name: Customize the USB product name to meet specific requirements.
  • Flash Memory Statistics: Gain insights into flash memory usage with the new statistics feature.

Enhancements

  • Increased ESP32 Stack Size: Improved stability with a larger stack size for ESP32 boards.
  • TinyUSB 0.17 Support: Added compatibility with TinyUSB 0.17 for ESP32 boards.
  • Optimized Footprint: Packed structures for reduced memory usage.
  • Dynamic ESP32 Stack Sizing: Stack size now adjusts dynamically based on the number of enabled interfaces.
  • Updated CCID Descriptor: Reflects the maximum USB packet size accurately.
  • Optimized Flash Partitioning: Reduced data partition to 2K, starting at the midpoint of flash memory.
  • Customizable Flash Memory Bounds: Computed based on the partition configuration if available.

Bug Fixes

  • Change PIN on RP2350: Fixed an issue affecting PIN changes on RP2350 boards.
  • Pico SDK 2.1.0 Compatibility: Resolved build issues with Pico SDK 2.1.0.
  • Customizable LED PIO Number: Enhanced support for WS2812, Pico, and Cyw43 LEDs with customizable PIO numbers.

Pico OpenPGP version 3.2 is a robust and secure update that enhances functionality and reliability for OpenPGP applications. We encourage all users to upgrade to this version to benefit from the latest improvements.

For detailed instructions on upgrading and utilizing these features, visit our Downloads page.

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