From 1fb6c7ee8ff2efa8aec19b54528b88302df94335 Mon Sep 17 00:00:00 2001
From: IFX-Anusha <Anusha.TR@infineon.com>
Date: Fri, 17 Nov 2023 18:40:41 +0530
Subject: [PATCH] ports/psoc6: I2S Test.

Signed-off-by: IFX-Anusha <Anusha.TR@infineon.com>
---
 ports/psoc6/modules/machine/machine_i2s.c |  4 ++--
 tests/psoc6/dut/i2s.py                    | 28 +++++++++++++++++++++++
 tests/psoc6/dut/i2s.py.exp                |  4 ++++
 3 files changed, 34 insertions(+), 2 deletions(-)
 create mode 100644 tests/psoc6/dut/i2s.py
 create mode 100644 tests/psoc6/dut/i2s.py.exp

diff --git a/ports/psoc6/modules/machine/machine_i2s.c b/ports/psoc6/modules/machine/machine_i2s.c
index 2cb0dd18079f5..f8fc802567801 100644
--- a/ports/psoc6/modules/machine/machine_i2s.c
+++ b/ports/psoc6/modules/machine/machine_i2s.c
@@ -172,12 +172,12 @@ STATIC void machine_i2s_init_helper(machine_i2s_obj_t *self, size_t n_pos_args,
         if (result != CY_RSLT_SUCCESS) {
             mp_raise_msg_varg(&mp_type_ValueError, MP_ERROR_TEXT("I2S tx initialisation failed with return code %lx !"), result);
         }
-    } else { // Rx is master
+    } else { // Rx is slave
         cyhal_i2s_pins_t rx_pins = { .sck = self->sck, .ws = self->ws, .data = self->sd, .mclk = NC };
         cyhal_i2s_config_t rx_config =
         {
             .is_tx_slave = false,
-            .is_rx_slave = false,
+            .is_rx_slave = true,
             .mclk_hz = 0,
             .channel_length = 32,
             .word_length = self->bits,
diff --git a/tests/psoc6/dut/i2s.py b/tests/psoc6/dut/i2s.py
new file mode 100644
index 0000000000000..f75c9aba7a921
--- /dev/null
+++ b/tests/psoc6/dut/i2s.py
@@ -0,0 +1,28 @@
+#### SoftI2C
+import os
+from machine import I2S
+import time
+import array
+
+# Allocate pin based on board
+machine = os.uname().machine
+if "CY8CPROTO-062-4343W" in machine:
+    sck_tx_pin ="P13_1"
+    ws_tx_pin = "P13_2"
+    sd_tx_pin = "P13_3"
+    sck_rx_pin ="P5_4"
+    ws_rx_pin = "P5_5"
+    sd_rx_pin = "P5_6"    
+
+audio_out = I2S(0, sck=sck_tx_pin, ws=ws_tx_pin, sd=sd_tx_pin, mode=I2S.TX, bits=16, format=I2S.STEREO, rate=8000, ibuf=20000)
+audio_in = I2S(1, sck=sck_rx_pin, ws=ws_rx_pin, sd=sd_rx_pin, mode=I2S.RX, bits=16, format=I2S.STEREO, rate=8000, ibuf=20000)
+buf=bytearray(10)
+buf =  b"\x01\x00\x17\x15\x16\x44"
+print("tx Buffer")
+print(buf)
+num_written = audio_out.write(buf)
+buf1= bytearray(10)
+num_read = audio_in.readinto(buf1)
+print("Rx Buffer")
+print(buf1)
+
diff --git a/tests/psoc6/dut/i2s.py.exp b/tests/psoc6/dut/i2s.py.exp
new file mode 100644
index 0000000000000..53f057b52ccf3
--- /dev/null
+++ b/tests/psoc6/dut/i2s.py.exp
@@ -0,0 +1,4 @@
+tx Buffer
+b'\x01\x00\x17\x15\x16D'
+Rx Buffer
+bytearray(b'\x00\x00\x00\x00\x01\x00\x17\x15\x16D')