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cocotbext-avalon

Reusable Avalon Streaming (Avalon-ST) and Avalon Memory-Mapped (Avalon-MM) bus functional models for cocotb.

Install

python -m pip install cocotbext-avalon

For local development:

python -m pip install -e .

Usage

from cocotbext.avalon import (
    AvalonFormat,
    AvalonMMBus,
    AvalonMMMasterBFM,
    AvalonMMMemoryBFM,
    AvalonMMSlaveBFM,
    AvalonMMTransaction,
    AvalonSTBeat,
    AvalonSTBus,
    AvalonSTFrame,
    AvalonSTMonitor,
    AvalonSTSink,
    AvalonSTSource,
)

AvalonSTSource, AvalonSTSink, and AvalonSTMonitor support packetized and non-packetized streams, pause generators, sideband signals, and ready modes ready_latency=0, ready_allowance=0 and ready_latency=1, ready_allowance=1.

AvalonMMMasterBFM, AvalonMMSlaveBFM, and AvalonMMMemoryBFM support register-style accesses, bursts, byte enables, wait-request backpressure, variable-latency reads, and optional transaction recording.

HDL-backed simulator regression tests will be added after the initial package extraction is complete.

License

Apache-2.0. See LICENSE and NOTICE.

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