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pigweed / third_party / github / zephyrproject-rtos / zephyr / refs/heads/upstream/main / . / tests / subsys / debug / mipi_stp_decoder / src / main.c
blob: ecf519de4aa51c23a6ca06f03cd6b30edcf3edd2 [file] [log] [blame]
/*
* Copyright (c) 2024 Nordic Semiconductor ASA.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/ztest.h>
#include <zephyr/debug/mipi_stp_decoder.h>
static int cnt;
static enum mipi_stp_decoder_ctrl_type exp_type[10];
static union mipi_stp_decoder_data exp_data[10];
static size_t exp_data_len[10];
static uint64_t exp_ts[10];
static bool exp_marked[10];
static int d_cnt;
static void cb(enum mipi_stp_decoder_ctrl_type type, union mipi_stp_decoder_data data, uint64_t *ts,
bool marked)
{
zassert_equal(exp_type[d_cnt], type, "Expected: %d got:%d", exp_type[d_cnt], type);
if (exp_ts[d_cnt] == UINT64_MAX) {
zassert_equal(ts, NULL, NULL);
} else {
zassert_true(ts != NULL, NULL);
zassert_equal(exp_ts[d_cnt], *ts, "exp:%llx got:%llx", exp_ts[d_cnt], *ts);
}
zassert_equal(exp_marked[d_cnt], marked, NULL);
zassert_equal(
memcmp((uint8_t *)&exp_data[d_cnt], (uint8_t *)&data.data, exp_data_len[d_cnt]), 0,
NULL);
d_cnt++;
}
static const struct mipi_stp_decoder_config config = {
.cb = cb,
};
#define ADD_ITEM(_cnt, _type, _ts, _marked, _data) \
do { \
exp_type[_cnt] = _type; \
exp_ts[_cnt] = (uint64_t)_ts; \
exp_marked[_cnt] = _marked; \
exp_data[_cnt].data = _data; \
exp_data_len[_cnt++] = sizeof(_data); \
} while (0)
ZTEST(mipi_stp_decoder_test, test_chunk_null)
{
uint8_t data[] = {0x00, 0x00};
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(cnt, d_cnt, NULL);
}
ZTEST(mipi_stp_decoder_test, test_chunk_master)
{
/* 0x1(m8) 0xab 0x0 (null) 0xf1(m16) 0x3412 */
uint8_t data[] = {0xa1, 0x0b, 0x1f, 0x34, 0x12};
ADD_ITEM(cnt, STP_DECODER_MASTER, UINT64_MAX, false, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_MASTER, UINT64_MAX, false, (uint16_t)0x4321);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(cnt, d_cnt, NULL);
}
ZTEST(mipi_stp_decoder_test, test_chunk_channel)
{
/* 0(null) 1(m8) ab 3(c8) ab f3(c16) 4664 3(c8) bb 1(m8) 0b 3(c8) aa*/
uint8_t data[] = {0x10, 0xba, 0xa3, 0xfb, 0x63, 0x44, 0x36, 0xbb, 0x01, 0x3b, 0xaa};
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_MASTER, UINT64_MAX, false, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DECODER_CHANNEL, UINT64_MAX, false, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DECODER_CHANNEL, UINT64_MAX, false, (uint16_t)0x6446);
/* MSB byte is taken from previous C16 */
ADD_ITEM(cnt, STP_DECODER_CHANNEL, UINT64_MAX, false, (uint16_t)0x64bb);
ADD_ITEM(cnt, STP_DECODER_MASTER, UINT64_MAX, false, (uint8_t)0x0b);
/* M8 resets current channel */
ADD_ITEM(cnt, STP_DECODER_CHANNEL, UINT64_MAX, false, (uint8_t)0xaa);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_chunk_data)
{
/* 4(d8) ab 5(d16) 0x3456 6(d32) 0x11223344 7(d64) 0x1020304050607080 */
/* f8(dm8) ab f9(dm16) 0x3456 fa(dm32) 0x11223344 fb(dm64) 0x1020304050607080 */
uint8_t data[] = {0xa4, 0x5b, 0x43, 0x65, 0x16, 0x21, 0x32, 0x43, 0x74, 0x01,
0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x8f, 0xba, 0x9f, 0x43, 0x65, 0xaf, 0x11, 0x22, 0x33, 0x44,
0xbf, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};
ADD_ITEM(cnt, STP_DATA8, UINT64_MAX, false, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DATA16, UINT64_MAX, false, (uint16_t)0x3456);
ADD_ITEM(cnt, STP_DATA32, UINT64_MAX, false, (uint32_t)0x11223344);
ADD_ITEM(cnt, STP_DATA64, UINT64_MAX, false, (uint32_t)0x1020304050607080);
ADD_ITEM(cnt, STP_DATA8, UINT64_MAX, true, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DATA16, UINT64_MAX, true, (uint16_t)0x3456);
ADD_ITEM(cnt, STP_DATA32, UINT64_MAX, true, (uint32_t)0x11223344);
ADD_ITEM(cnt, STP_DATA64, UINT64_MAX, true, (uint32_t)0x1020304050607080);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_chunk_data_ts)
{
uint8_t data[] = {
/*d8ts + 13b TS */ 0x4f,
0xba,
0x1d,
0x21,
0x32,
0x43,
0x54,
0x65,
0x76,
0x07,
/*d16ts + 3b TS */ 0x5f,
0xba,
0xdc,
0x13,
0x22,
/*d32ts + 3b TS */ 0x6f,
0x11,
0x22,
0xba,
0xdc,
0x13,
0x22,
/*d64ts + 3b TS */ 0x7f,
0x11,
0x22,
0xba,
0xdc,
0x11,
0x22,
0x33,
0x44,
0x13,
0x22,
/*d8mts + 14b TS */ 0xa8,
0xeb,
0x11,
0x22,
0x33,
0x44,
0x55,
0x66,
0x77,
0x88,
/*d16mts + 2b TS */ 0xa9,
0xcb,
0x2d,
0x31,
/*d32mts + 2b TS */ 0xaa,
0xcb,
0x1d,
0x21,
0x22,
0x31,
/*d64mts + 2b TS */ 0xab,
0xcb,
0x1d,
0x21,
0x12,
0x11,
0x11,
0x11,
0x21,
0x31,
};
ADD_ITEM(cnt, STP_DATA8, 0x11223344556677, false, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DATA16, 0x11223344556122, false, (uint16_t)0xabcd);
ADD_ITEM(cnt, STP_DATA32, 0x11223344556122, false, (uint32_t)0x1122abcd);
ADD_ITEM(cnt, STP_DATA64, 0x11223344556122, false, (uint64_t)0x1122abcd11223344);
ADD_ITEM(cnt, STP_DATA8, 0x1122334455667788, true, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DATA16, 0x1122334455667713, true, (uint16_t)0xabcd);
ADD_ITEM(cnt, STP_DATA32, 0x1122334455667713, true, (uint32_t)0xabcd1122);
ADD_ITEM(cnt, STP_DATA64, 0x1122334455667713, true, (uint64_t)0xabcd112211111111);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_multi_chunk_data_ts)
{
/*d8ts + 13b TS */
uint8_t data[] = {0x4f, 0xba, 0x1d, 0x21, 0x32};
uint8_t data2[] = {
0x43, 0x54, 0x65, 0x76, 0x07,
};
ADD_ITEM(cnt, STP_DATA8, 0x11223344556677, false, (uint8_t)0xab);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
/* First part without any packet decoded. */
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, 0, "got:%d exp:%d", d_cnt, 0);
mipi_stp_decoder_decode(data2, sizeof(data2));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_chunk_errors)
{
uint8_t data[] = {/*merr 0x12 gerr 0x12 null */ 0x12, 0xf2, 0x12, 0x02};
ADD_ITEM(cnt, STP_DECODER_MERROR, UINT64_MAX, false, (uint8_t)0x12);
ADD_ITEM(cnt, STP_DECODER_GERROR, UINT64_MAX, false, (uint8_t)0x12);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_chunk_freq)
{
uint8_t data[] = {/* freq 0x11223344 null */ 0x0f,
0x18,
0x21,
0x32,
0x43,
0x04,
/* freq_ts 0x11223344 + 2b TS */ 0x0f,
0x19,
0x21,
0x32,
0x43,
0x24,
0x12};
ADD_ITEM(cnt, STP_DECODER_FREQ, UINT64_MAX, false, (uint32_t)0x11223344);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_FREQ, 0x21ULL, false, (uint32_t)0x11223344);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_chunk_async)
{
uint8_t data[] = {/* null async null*/
0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00};
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_ASYNC, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_multi_chunk_async)
{
/* null async null split into 2 buffers */
uint8_t data[] = {
0xf0,
0xff,
0xff,
};
uint8_t data2[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00};
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_ASYNC, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
/* First part only null packet is decoded */
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, 1, "got:%d exp:%d", d_cnt, 1);
mipi_stp_decoder_decode(data2, sizeof(data2));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_chunk_freq2)
{
/* null async null split into 2 buffers */
uint8_t data[] = {0xf0, 0x80, 0x00, 0xc4, 0xb4, 0x04};
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_FREQ, UINT64_MAX, false, (uint64_t)5000000);
mipi_stp_decoder_decode(data, sizeof(data));
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
ZTEST(mipi_stp_decoder_test, test_sync_loss)
{
/* null async null split into 2 buffers */
uint8_t data[] = {0xf0, 0x80, 0x00, 0xc4, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x60, 0x11, 0x11, 0x11, 0x11};
ADD_ITEM(cnt, STP_DECODER_NULL, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DECODER_ASYNC, UINT64_MAX, false, (uint8_t)0);
ADD_ITEM(cnt, STP_DATA32, UINT64_MAX, false, (uint32_t)0x11111111);
mipi_stp_decoder_decode(data, 4);
mipi_stp_decoder_sync_loss();
mipi_stp_decoder_decode(&data[4], sizeof(data) - 4);
zassert_equal(d_cnt, cnt, "got:%d exp:%d", d_cnt, cnt);
}
static void before(void *data)
{
cnt = 0;
d_cnt = 0;
mipi_stp_decoder_init(&config);
}
ZTEST_SUITE(mipi_stp_decoder_test, NULL, NULL, before, NULL, NULL);