From 3ec52611ebfe56beca497d4a36ea74986eb20f72 Mon Sep 17 00:00:00 2001 From: Alex Forencich Date: Fri, 30 May 2025 22:11:36 -0700 Subject: [PATCH] ptp: Adjust testbench thresholds Signed-off-by: Alex Forencich --- src/ptp/tb/taxi_ptp_clock_cdc/test_taxi_ptp_clock_cdc.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/ptp/tb/taxi_ptp_clock_cdc/test_taxi_ptp_clock_cdc.py b/src/ptp/tb/taxi_ptp_clock_cdc/test_taxi_ptp_clock_cdc.py index 69df823..129b150 100644 --- a/src/ptp/tb/taxi_ptp_clock_cdc/test_taxi_ptp_clock_cdc.py +++ b/src/ptp/tb/taxi_ptp_clock_cdc/test_taxi_ptp_clock_cdc.py @@ -281,7 +281,7 @@ async def run_test(dut): diffs = await tb.measure_ts_diff() tb.log.info(f"Difference: {mean(diffs)*1e9} ns (stdev: {stdev(diffs)*1e9})") - assert abs(mean(diffs)*1e9) < 5 + assert abs(mean(diffs)*1e9) < 6.4 await RisingEdge(dut.input_clk) tb.log.info("Coherent tracking (+/- 200 ppm)") @@ -313,7 +313,7 @@ async def run_test(dut): diffs = await tb.measure_ts_diff() tb.log.info(f"Difference: {mean(diffs)*1e9} ns (stdev: {stdev(diffs)*1e9})") - assert abs(mean(diffs)*1e9) < 5 + assert abs(mean(diffs)*1e9) < 6.4 await RisingEdge(dut.input_clk) tb.log.info("Slightly faster (6.3 ns)")