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test_i2s_loopback: add testing support for 16bit

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This commit is contained in:
Ross Owen
2023-06-06 18:31:52 +01:00
parent 1488ace820
commit e24bbe42eb
2 changed files with 6 additions and 6 deletions
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2
tests/test_i2s_loopback.py
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@@ -71,7 +71,7 @@ def do_test(
@pytest.mark.parametrize("i2s_role", ["master", "slave"]) @pytest.mark.parametrize("i2s_role", ["master", "slave"])
@pytest.mark.parametrize("pcm_format", ["i2s", "tdm"]) @pytest.mark.parametrize("pcm_format", ["i2s", "tdm"])
@pytest.mark.parametrize("channel_count", [2, 8, 16]) @pytest.mark.parametrize("channel_count", [2, 8, 16])
@pytest.mark.parametrize("word_length", [32]) # I2S world length in bits @pytest.mark.parametrize("word_length", [16, 32]) # I2S world length in bits
@pytest.mark.parametrize("sample_rate", [48000, 96000, 192000]) @pytest.mark.parametrize("sample_rate", [48000, 96000, 192000])
def test_i2s_loopback( def test_i2s_loopback(
i2s_role, pcm_format, channel_count, sample_rate, word_length, test_file, options, capfd i2s_role, pcm_format, channel_count, sample_rate, word_length, test_file, options, capfd

10
tests/test_i2s_loopback/main.xc
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@@ -1,4 +1,4 @@
// Copyright 2016-2022 XMOS LIMITED. // Copyright 2016-2023 XMOS LIMITED.
// This Software is subject to the terms of the XMOS Public Licence: Version 1. // This Software is subject to the terms of the XMOS Public Licence: Version 1.
#include <platform.h> #include <platform.h>
#include <stdlib.h> #include <stdlib.h>
@@ -92,9 +92,10 @@ clock clk_audio_mclk = on tile[AUDIO_IO_TILE]: XS1_CLKBLK_2; /*
#define TOTAL_TEST_FRAMES (5 * DEFAULT_FREQ) #define TOTAL_TEST_FRAMES (5 * DEFAULT_FREQ)
#endif #endif
#define SAMPLE(frame_count, channel_num) (((frame_count) << 8) | ((channel_num) & 0xFF)) #define SHIFT (16) /* Note, we shift samples up such that we can test down to 16bit I2S */
#define SAMPLE_FRAME_NUM(test_word) ((test_word) >> 8) #define SAMPLE(frame_count, channel_num) ((((frame_count) << 8) | ((channel_num) & 0xFF))<<SHIFT)
#define SAMPLE_CHANNEL_NUM(test_word) ((test_word) & 0xFF) #define SAMPLE_FRAME_NUM(test_word) ((test_word>>SHIFT) >> 8)
#define SAMPLE_CHANNEL_NUM(test_word) ((test_word>>SHIFT) & 0xFF)
void generator(chanend c_checker, chanend c_out) void generator(chanend c_checker, chanend c_out)
{ {
@@ -105,7 +106,6 @@ void generator(chanend c_checker, chanend c_out)
frame_count = 0; frame_count = 0;
while (1) { while (1) {
underflow_word = inuint(c_out); underflow_word = inuint(c_out);