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drivers: Extend coverage for i2s driver 

Add more tests cases in the i2s driver error management area
Signed-off-by: Bartosz Miller <bartosz.miller@nordicsemi.no>
pull/70207/head
Bartosz Miller 1 year ago committed by Henrik Brix Andersen
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2 changed files with 154 additions and 0 deletions
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  1. 1
      tests/drivers/i2s/i2s_api/src/main.c
  2. 153
      tests/drivers/i2s/i2s_api/src/test_i2s_errors.c

1
tests/drivers/i2s/i2s_api/src/main.c
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@ -78,3 +78,4 @@ ZTEST_SUITE(i2s_loopback, NULL, setup, before, NULL, NULL); @@ -78,3 +78,4 @@ ZTEST_SUITE(i2s_loopback, NULL, setup, before, NULL, NULL);
ZTEST_SUITE(i2s_states, NULL, setup, before, NULL, NULL);
ZTEST_SUITE(i2s_dir_both_states, NULL, setup, before_dir_both, NULL, NULL);
ZTEST_SUITE(i2s_dir_both_loopback, NULL, setup, before_dir_both, NULL, NULL);
ZTEST_SUITE(i2s_errors, NULL, setup, before, NULL, NULL);

153
tests/drivers/i2s/i2s_api/src/test_i2s_errors.c
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@ -0,0 +1,153 @@ @@ -0,0 +1,153 @@
/*
* Copyright (c) 2024 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#include <zephyr/drivers/i2s.h>
#include "i2s_api_test.h"
#define INVALID_TRIGGER_SETTING 7
ZTEST_USER(i2s_errors, test_i2s_improper_configuration)
{
int err;
struct i2s_config invalid_config = { .word_size = 16U,
.channels = 2U,
.format = I2S_FMT_DATA_FORMAT_I2S,
.frame_clk_freq = FRAME_CLK_FREQ,
.block_size = BLOCK_SIZE,
.timeout = TIMEOUT,
.options = I2S_OPT_FRAME_CLK_MASTER |
I2S_OPT_BIT_CLK_MASTER,
.mem_slab = &tx_mem_slab };
invalid_config.format =
I2S_FMT_DATA_FORMAT_LEFT_JUSTIFIED | I2S_FMT_DATA_FORMAT_RIGHT_JUSTIFIED;
err = i2s_configure(dev_i2s, I2S_DIR_TX, &invalid_config);
zassert_not_equal(
err, 0,
"I2S configuration did not detect improper data format (I2S_FMT_DATA_FORMAT_LEFT_JUSTIFIED | I2S_FMT_DATA_FORMAT_RIGHT_JUSTIFIED)");
invalid_config.format = I2S_FMT_DATA_FORMAT_I2S | I2S_FMT_DATA_ORDER_LSB;
err = i2s_configure(dev_i2s, I2S_DIR_TX, &invalid_config);
zassert_not_equal(
err, 0,
"I2S configuration did not detect improper stream format (I2S_FMT_DATA_ORDER_LSB)");
invalid_config.format = I2S_FMT_DATA_FORMAT_I2S;
invalid_config.channels = 3U;
err = i2s_configure(dev_i2s, I2S_DIR_TX, &invalid_config);
zassert_not_equal(err, 0,
"I2S configuration did not detect improper channels configuration (3)");
}
ZTEST_USER(i2s_errors, test_i2s_config_attempt_in_wrong_state)
{
int err;
int config_err;
char tx_data[BLOCK_SIZE] = {0};
struct i2s_config inactive_config = { .word_size = 16U,
.channels = 2U,
.format = I2S_FMT_DATA_FORMAT_I2S,
.frame_clk_freq = FRAME_CLK_FREQ,
.block_size = BLOCK_SIZE,
.timeout = TIMEOUT,
.options = I2S_OPT_FRAME_CLK_MASTER |
I2S_OPT_BIT_CLK_MASTER,
.mem_slab = &tx_mem_slab };
err = i2s_configure(dev_i2s, I2S_DIR_TX, &inactive_config);
zassert_equal(err, 0, "I2S interface configuration failed, err=%d", err);
err = i2s_buf_write(dev_i2s, tx_data, BLOCK_SIZE);
zassert_equal(err, 0, "I2S buffer write unexpected error: %d", err);
err = i2s_trigger(dev_i2s, I2S_DIR_TX, I2S_TRIGGER_START);
zassert_equal(err, 0, "I2S_TRIGGER_START unexpected error: %d", err);
config_err = i2s_configure(dev_i2s, I2S_DIR_TX, &inactive_config);
err = i2s_trigger(dev_i2s, I2S_DIR_TX, I2S_TRIGGER_STOP);
zassert_equal(err, 0, "I2S_TRIGGER_STOP unexpected error: %d", err);
zassert_not_equal(
config_err, 0,
"I2S configuration should not be possible in states other than I2S_STATE_READY");
}
ZTEST_USER(i2s_errors, test_i2s_incorrect_trigger)
{
int err;
char tx_data[BLOCK_SIZE] = {0};
struct i2s_config test_config = { .word_size = 16U,
.channels = 2U,
.format = I2S_FMT_DATA_FORMAT_I2S,
.frame_clk_freq = FRAME_CLK_FREQ,
.block_size = BLOCK_SIZE,
.timeout = TIMEOUT,
.options =
I2S_OPT_FRAME_CLK_MASTER | I2S_OPT_BIT_CLK_MASTER,
.mem_slab = &tx_mem_slab };
err = i2s_configure(dev_i2s, I2S_DIR_TX, &test_config);
zassert_equal(err, 0, "CFG err=%d", err);
err = i2s_buf_write(dev_i2s, tx_data, BLOCK_SIZE);
zassert_equal(err, 0, "I2S buffer write unexpected error: %d", err);
err = i2s_trigger(dev_i2s, I2S_DIR_TX, INVALID_TRIGGER_SETTING);
zassert_equal(err, -EINVAL, "I2S invalid trigger setting not detected: err=%d", err);
}
ZTEST_USER(i2s_errors, test_i2s_unconfigured_access)
{
int err;
char tx_data[BLOCK_SIZE] = {0};
struct i2s_config inactive_config = { .word_size = 16U,
.channels = 2U,
.format = I2S_FMT_DATA_FORMAT_I2S,
.frame_clk_freq = 0,
.block_size = BLOCK_SIZE,
.timeout = TIMEOUT,
.options = I2S_OPT_FRAME_CLK_MASTER |
I2S_OPT_BIT_CLK_MASTER,
.mem_slab = &tx_mem_slab };
err = i2s_configure(dev_i2s, I2S_DIR_TX, &inactive_config);
zassert_equal(err, 0, "I2S interface NOT_READY state transition failed. err=%d", err);
err = i2s_buf_write(dev_i2s, tx_data, BLOCK_SIZE);
zassert_equal(
err, -EIO,
"I2S attempting unconfigured interface access did not raise I/O error, err=%d",
err);
}
ZTEST_USER(i2s_errors, test_i2s_improper_block_size_write)
{
int err;
char tx_data[BLOCK_SIZE] = {0};
struct i2s_config test_config = { .word_size = 16U,
.channels = 2U,
.format = I2S_FMT_DATA_FORMAT_I2S,
.frame_clk_freq = FRAME_CLK_FREQ,
.block_size = BLOCK_SIZE,
.timeout = TIMEOUT,
.options =
I2S_OPT_FRAME_CLK_MASTER | I2S_OPT_BIT_CLK_MASTER,
.mem_slab = &tx_mem_slab };
err = i2s_configure(dev_i2s, I2S_DIR_TX, &test_config);
zassert_equal(err, 0, "Unexpected error when configuring I2S interface: %d", err);
err = i2s_buf_write(dev_i2s, tx_data, sizeof(uint16_t) + BLOCK_SIZE);
zassert_not_equal(
err, 0,
"I2S attempting write with incorrect block size did not raise error, err=%d", err);
}
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