Impinj has released version 2.1 (v2.01.00) of the Impinj reader chip SDK and Impinj E910, E710, E510, and E310 reader chip firmware. This version improves performance, adds additional features, and includes fixes for known issues that may affect devices built with Impinj E910, E710, E510, and E310 RAIN RFID reader chips.
For more details on migrating from previous versions to v2.0, please see our Impinj Reader Chip v2.0 SDK Migration Guide Application Note
Change overview:
- Performance improvements
- Improved inventory read rate by sequencing inventory rounds in response to interrupts instead of FIFO packets
- Improved regulatory off-time enforcement in ex10_off_time_helpers.c
- Sped up LBT measurements by removing extra steps and delays
- Improved ETSI Lower Band spectral performance by changing reference frequency to 200 kHz
- Added reader modes
- 104 - Optimized for Brazil Protocol
- 224 - Optimized for Japan read rates
- 205 - Optimized for Japan extremely dense channel plans
- Additional changes
- Updated SDK to work on Raspian version "Bookworm"
- Added command line argument helper for examples
- Moved all examples to use_case implementations
- Removed ex10_reader layer
- Removed old single digit reader mode IDs
- Fixed known issues
- TARI wrong in certain ATEST configurations
- T4 timing limit not enforced in all settings
- Inventory summary slot metrics slightly inaccurate
- Fixed bugs in examples: measure_chip_sensors, ex10_fct_wrapper, print_calibration_v5, and etsi_burst_example
- ADC measurement errors could occur depending on timing and droop compensation
- Indonesia region channel table was wrong
- etc
These changes apply to version v2.1 of the Impinj reader chip SDK and Impinj E910, E710, E510, and E310 reader chip firmware, which can be downloaded from this article. We encourage partners to integrate, evaluate, and go to production with this version. For instructions on how to update the FW and SDK on your readers, please see the Impinj E710 Development Kit User’s Guide.
If you have questions about upgrading to the newest SDK and firmware, please contact the Impinj support team (support@impinj.com).
Comments
2024-10-10 update: Updated SDK+FW version to v2.1 (v2.01.00)
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