tests/psoc6: Add HIL tests.

Signed-off-by: NikhitaR-IFX <Nikhita.Rajasekhar@infineon.com>

tests/ports/psoc6/board_ext_hw/multi/pdm_pcm.py

@@ -1,28 +1,67 @@
 import os
 from machine import PDM_PCM, Pin
+import machine
 
 # Allocate pin based on board
 board = os.uname().machine
 if "CY8CPROTO-062-4343W" in board:
     clk_pin = "P10_4"
     data_pin = "P10_5"
+    send_signal_to_tx_pin = "P10_0"
+
 elif "CY8CPROTO-063-BLE" in board:
     print("SKIP")
     raise SystemExit
 elif "CY8CKIT-062S2-AI" in board:
     clk_pin = "P10_4"
     data_pin = "P10_5"
 
-pdm_pcm = PDM_PCM(
-    0,
-    sck=clk_pin,
-    data=data_pin,
-    sample_rate=8000,
-    decimation_rate=64,
-    bits=PDM_PCM.BITS_16,
-    format=PDM_PCM.STEREO,
-    left_gain=0,
-    right_gain=0,
-)
-
-pdm_pcm.deinit()
+
+def generate_exp_seq(data):
+    exp_seq = bytearray(data * 64)
+    return exp_seq
+
+
+# Test Case 1: Blocking mode
+_sampling_rate = [8000, 16000, 32000, 48000, 22050, 44100]
+_mode = [PDM_PCM.MONO_LEFT, PDM_PCM.MONO_RIGHT, PDM_PCM.STEREO]
+_bits = 16
+exp_data = [[0xFF]]
+iterations = 100
+exp_seq = generate_exp_seq([0x00])
+
+for i in range(len(_sampling_rate)):  # Check for all sampling rates
+    set_sampling_rate = _sampling_rate[i]
+    if _sampling_rate[i] == 22050 or _sampling_rate[i] == 44100:
+        machine.freq(machine.AUDIO_PDM_22_579_000_HZ)
+    else:
+        machine.freq(machine.AUDIO_PDM_24_576_000_HZ)
+    for j in range(len(_mode)):  # Check for all modes
+        set_mode = _mode[j]
+        if set_mode == PDM_PCM.STEREO:
+            iterations = 200
+        pdm_pcm = PDM_PCM(
+            0,
+            sck=clk_pin,
+            data=data_pin,
+            sample_rate=set_sampling_rate,
+            decimation_rate=64,
+            bits=PDM_PCM.BITS_16,
+            format=set_mode,
+            left_gain=0,
+            right_gain=0,
+        )
+        pdm_pcm.init()  # Start
+
+        for k in range(iterations):
+            rx_buf = bytearray([0] * 64)
+            num_read = pdm_pcm.readinto(rx_buf)
+            # print("buf :", ''.join(f'{x:02x} ' for x in rx_buf))
+            if rx_buf[:3] == bytearray([exp_data[0][0], exp_data[0][0], exp_data[0][0]]):
+                is_seq_received = rx_buf == exp_seq
+                if is_seq_received:
+                    print(
+                        f"data high received for mode = {set_mode}, bits = PDM_PCM.BITS_16, rate = {set_sampling_rate} : {is_seq_received}"
+                    )
+                    break
+        pdm_pcm.deinit()

tests/ports/psoc6/board_ext_hw/multi/pdm_pcm.py.exp

@@ -1 +1,18 @@
-machine.PDM_PCM: PLL0 freq is changed to 24576000. This will affect all resources clock freq sourced by PLL0.
+data high received for mode = 0, bits = PDM_PCM.BITS_16, rate = 8000 : True
+data high received for mode = 1, bits = PDM_PCM.BITS_16, rate = 8000 : True
+data high received for mode = 2, bits = PDM_PCM.BITS_16, rate = 8000 : True
+data high received for mode = 0, bits = PDM_PCM.BITS_16, rate = 16000 : True
+data high received for mode = 1, bits = PDM_PCM.BITS_16, rate = 16000 : True
+data high received for mode = 2, bits = PDM_PCM.BITS_16, rate = 16000 : True
+data high received for mode = 0, bits = PDM_PCM.BITS_16, rate = 32000 : True
+data high received for mode = 1, bits = PDM_PCM.BITS_16, rate = 32000 : True
+data high received for mode = 2, bits = PDM_PCM.BITS_16, rate = 32000 : True
+data high received for mode = 0, bits = PDM_PCM.BITS_16, rate = 48000 : True
+data high received for mode = 1, bits = PDM_PCM.BITS_16, rate = 48000 : True
+data high received for mode = 2, bits = PDM_PCM.BITS_16, rate = 48000 : True
+data high received for mode = 0, bits = PDM_PCM.BITS_16, rate = 22050 : True
+data high received for mode = 1, bits = PDM_PCM.BITS_16, rate = 22050 : True
+data high received for mode = 2, bits = PDM_PCM.BITS_16, rate = 22050 : True
+data high received for mode = 0, bits = PDM_PCM.BITS_16, rate = 44100 : True
+data high received for mode = 1, bits = PDM_PCM.BITS_16, rate = 44100 : True
+data high received for mode = 2, bits = PDM_PCM.BITS_16, rate = 44100 : True

tests/ports/psoc6/board_ext_hw/multi/pdm_pcm_gen.py

@@ -0,0 +1,22 @@
+import os
+from machine import Pin
+
+# Allocate pin based on board
+board = os.uname().machine
+if "CY8CPROTO-062-4343W" in board:
+    clk_pin = "P10_4"
+    data_pin = "P10_5"
+elif "CY8CPROTO-063-BLE" in board:
+    print("SKIP")
+    raise SystemExit
+elif "CY8CKIT-062S2-AI" in board:
+    clk_pin = "P10_4"
+    data_pin = "P10_5"
+
+start_time = time.time()
+
+data_out = Pin("P13_7", mode=Pin.OUT, value=False)
+clk_in = Pin("P13_6", Pin.IN, Pin.PULL_DOWN)
+
+while time.time() - start_time < 10:  # Wait for 5 second
+    data_out.low()