ports/psoc6: I2S Test.

Signed-off-by: IFX-Anusha <Anusha.TR@infineon.com>

ports/psoc6: Fix formatting.

Signed-off-by: IFX-Anusha <Anusha.TR@infineon.com>

ports/psoc6: Fix formatting.

Signed-off-by: IFX-Anusha <Anusha.TR@infineon.com>

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,

tests/psoc6/dut/i2s.py

@@ -0,0 +1,47 @@
+#### 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)

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')