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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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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.
#include <platform.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)
#endif
#define SAMPLE(frame_count, channel_num) (((frame_count) << 8) | ((channel_num) & 0xFF))
#define SAMPLE_FRAME_NUM(test_word) ((test_word) >> 8)
#define SAMPLE_CHANNEL_NUM(test_word) ((test_word) & 0xFF)
#define SHIFT (16) /* Note, we shift samples up such that we can test down to 16bit I2S */
#define SAMPLE(frame_count, channel_num) ((((frame_count) << 8) | ((channel_num) & 0xFF))<<SHIFT)
#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)
{
@@ -105,7 +106,6 @@ void generator(chanend c_checker, chanend c_out)
frame_count = 0;
while (1) {
underflow_word = inuint(c_out);