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CHANGELOG.rst

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I2S library change log

5.0.0

  • ADDED: Support for I2S data lengths less than 32 bit.
  • ADDED: Implementation allowing use of a 4-bit port for up to 4 simultaneous streaming inputs or outputs.

4.3.0

  • CHANGED: Use XMOS Public Licence Version 1

4.2.0

  • ADDED: Support for XS3 architecture

4.1.1

  • CHANGED: Pin Python package versions
  • REMOVED: not necessary cpanfile

4.1.0

  • ADDED: Frame based I2S master that needs the bit clock to be set up externally.
  • REMOVED: I2S_BCLOCK_FROM_XCORE and I2S_XCORE_BLOCK_DIV optional #ifdefs

4.0.0

  • CHANGED: Build files updated to support new "xcommon" behaviour in xwaf.

3.0.1

  • CHANGE: At initialisation, configure LR clock of frame-based I2S slave for input.
  • CHANGE: Renamed example application directories to have standard "app" prefix.
  • ADDED: I2S_BCLOCK_FROM_XCORE and I2S_XCORE_BLOCK_DIV optional #ifdefs

3.0.0

  • REMOVED: Combined I2S and TDM master

2.4.0

  • ADDED: Frame-based I2S slave implementation.
  • CHANGE: AN00162 now uses frame-based I2S master component.

2.3.0

  • ADDED: Configuration option for slave bit clock polarity. This allows supporting masters that toggle word clock and data on rising edge of bit clock.

2.2.0

  • ADDED: Frame-based I2S master using the new i2s_frame_callback_if. This reduces the overhead of an interface call per sample.
  • CHANGE: Reduce number of LR clock ticks needed to synchronise.
  • RESOLVED: Documentation now correctly documents the valid values for FSYNC.
  • RESOLVED: The I2S slave will now lock correctly in both I2S and LEFT_JUSTFIED modes. Previously there was a bug that meant LEFT_JUSTFIED would not work.

2.1.3

  • CHANGE: Slave mode now includes sync error detection and correction e.g. when bit-clock is interrupted

2.1.2

  • RESOLVED: .project file fixes such that example(s) import into xTIMEComposer correctly

2.1.1

  • CHANGE: Update to source code license and copyright

2.1.0

  • CHANGE: Input or output ports can now be null, for use when input or output-only is required
  • CHANGE: Software license changed to new license

2.0.1

  • CHANGE: Performance improvement to TDM to allow 32x32 operation
  • RESOLVED: Bug fix to initialisation callback timing that could cause I2S lock up

2.0.0

  • CHANGE: Major update to API from previous I2S components
  • Changes to dependencies:
    • lib_logging: Added dependency 2.0.0
    • lib_xassert: Added dependency 2.0.0