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alexforencich avatar alexforencich commented on May 24, 2024

I'm in the process of completely rebuilding the reset implementation. The new implementation at its core supports both polarities, but I'm not sure the best way to expose that at the top-level. Might just need to add another parameter to the constructor, I will ask about this on the cocotb gitter to see if anyone has any better ideas.

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alexforencich avatar alexforencich commented on May 24, 2024

Also, I should mention that with the current setup, resets really don't work correctly, so you're better off leaving it disconnected until I get it fixed up properly.

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catkira avatar catkira commented on May 24, 2024

I have the same issue, I want to implement a core that is compatible to Xilinx AXIS cores. They use active low reset.
The sink never receives data if I do
self.sink = AxiStreamSink(dut, "m_axis", dut.clk, dut.nrst)

doing
self.sink = AxiStreamSink(dut, "m_axis", dut.clk, not dut.nrst)
does not work

for now I disconnected the reset, so the simulation does not freeze.

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alexforencich avatar alexforencich commented on May 24, 2024

The latest release of cocotbext-axi adds the reset_active_level parameter to the constructors. Set this to False for an active-low reset.

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