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| author | Jett Rink <jettrink@chromium.org> | 2020-11-09 14:42:53 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-11-13 00:27:45 +0000 |
| commit | ba63fbd08d40421c63e99ff4fbb5a0b78de3b9bd (patch) | |
| tree | 40ec02b754c3f84fc57dc1433050cf6b5a2fe72c /zephyr/test/crc/main.c | |
| parent | c382208fe8052890704b83b60219c7d55164127b (diff) | |
| download | chrome-ec-ba63fbd08d40421c63e99ff4fbb5a0b78de3b9bd.tar.gz | |
zephyr: forward cros_crc8 to zephyrs crc8 impl
Shim in support for crc8 used in CBI, I2C, and other
applications within platform/ec
BRANCH=none
BUG=b:168032589
TEST=add unit test for platform/ec and zephyr based
CRC8 approaches and verify they both pass.
Signed-off-by: Jett Rink <jettrink@chromium.org>
Change-Id: I9b6112cb83dab81a44a1ac020d4efb1b7bb1df5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2532692
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Diffstat (limited to 'zephyr/test/crc/main.c')
| -rw-r--r-- | zephyr/test/crc/main.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/zephyr/test/crc/main.c b/zephyr/test/crc/main.c new file mode 100644 index 0000000000..34fec7199a --- /dev/null +++ b/zephyr/test/crc/main.c @@ -0,0 +1,27 @@ +/* Copyright 2020 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include <kernel.h> +#include <ztest.h> + +#include "crc8.h" + +/* Note this test makes the pure platform/ec test that uses the same value */ +static void test_crc8_known_data(void) +{ + uint8_t buffer[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 8 }; + + int crc = cros_crc8(buffer, 10); + + /* Verifies polynomial values of 0x07 representing x^8 + x^2 + x + 1 */ + zassert_equal(crc, 170, "CRC8 hash did not match"); +} + +void test_main(void) +{ + ztest_test_suite(test_task_shim, + ztest_unit_test(test_crc8_known_data)); + ztest_run_test_suite(test_task_shim); +} |