Add initial test tx + checkers from fwk_io

tests/test_midi_tx.py

@@ -0,0 +1,83 @@
+# Copyright 2014-2024 XMOS LIMITED.
+# This Software is subject to the terms of the XMOS Public Licence: Version 1.
+
+import pytest
+import Pyxsim
+from Pyxsim import testers
+from pathlib import Path
+from uart_tx_checker import UARTTxChecker
+# from spdif_test_utils import (
+#     Clock,
+#     Spdif_rx,
+#     Frames,
+#     freq_for_sample_rate,
+# )
+
+MAX_CYCLES = 15000000
+MIDI_RATE = 31250
+CONFIGS = ["xs2", "xs3"]
+CONFIGS = ["xs3"]
+
+
+class Midi_expect:
+    def __init(self):
+        pass
+
+    def expect(self):
+        expected = "Hello"
+        return expected
+
+
+
+#####
+# This test builds the spdif transmitter app with a verity of presets and tests that the output matches those presets
+#####
+@pytest.mark.parametrize("config", CONFIGS)
+def test_tx(capfd, config):
+    xe = str(Path(__file__).parent / f"test_midi/bin/{config}/test_midi_{config}.xe")
+    p_midi_out = "tile[1]:XS1_PORT_4C"
+    
+
+    # tester = testers.ComparisonTester(
+    #     Frames(channels=audio, no_of_blocks=no_of_blocks, sam_freq=sam_freq).expect()[
+    #         : no_of_samples * len(audio)
+    #     ]
+    # )
+    tester = testers.ComparisonTester(Midi_expect().expect())
+    
+    tx_port = "tile[1]:XS1_PORT_4C"
+    rx_port = None
+    baud = MIDI_RATE
+    bpb = 8
+    parity = 0 
+    stop = 1
+    length_of_test = 3 # characters
+
+    simthreads = [
+        # UARTTxChecker(rx_port, tx_port, parity, baud, length_of_test, stop, bpb)
+    ]
+
+    simargs = ["--max-cycles", str(MAX_CYCLES)]
+    simargs.extend(["--trace-to", "trace.txt", "--vcd-tracing", "-tile tile[1] -ports -o trace.vcd"]) #This is just for local debug so we can capture the run, pass as kwarg to run_with_pyxsim
+
+    # result = Pyxsim.run_on_simulator(
+    result = Pyxsim.run_on_simulator(
+        xe,
+        simthreads=simthreads,
+        instTracing=True,
+        # clean_before_build=True,
+        clean_before_build=False,
+        tester=tester,
+        # capfd=capfd,
+        capfd=None,
+        timeout=1500,
+        simargs=simargs,
+        build_options=[
+            "-j",
+            f"CONFIG={config}",
+            "EXTRA_BUILD_FLAGS="
+            + f" -DMIDI_RATE_HZ={MIDI_RATE}"
+ ,
+        ],
+    )
+    assert result