Steve Karg
1520f2c612
* Added dependent BACnet stack headers into bacdef.h file. * Changed bacdef.h and other stack includes in c/h files to have a common pattern. * Moved bits.h, bytes.h, and bacnet_stack_exports.h under bacnet/basic/sys/ folder.
154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
/*
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* Copyright (c) 2020 Legrand North America, LLC.
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*
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* SPDX-License-Identifier: MIT
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*/
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/* @file
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* @brief test BACnet integer encode/decode APIs
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*/
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#include <zephyr/ztest.h>
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#include <bacnet/datalink/crc.h>
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#include <bacnet/basic/sys/bytes.h>
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/**
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* @addtogroup bacnet_tests
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* @{
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*/
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/**
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* @brief Test CRC8 from Annex G 1.0 of BACnet Standard
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST(crc_tests, testCRC8)
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#else
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static void testCRC8(void)
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#endif
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{
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uint8_t crc = 0xff; /* accumulates the crc value */
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uint8_t frame_crc; /* appended to the end of the frame */
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crc = CRC_Calc_Header(0x00, crc);
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zassert_equal(crc, 0x55, NULL);
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crc = CRC_Calc_Header(0x10, crc);
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zassert_equal(crc, 0xC2, NULL);
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crc = CRC_Calc_Header(0x05, crc);
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zassert_equal(crc, 0xBC, NULL);
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crc = CRC_Calc_Header(0x00, crc);
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zassert_equal(crc, 0x95, NULL);
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crc = CRC_Calc_Header(0x00, crc);
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zassert_equal(crc, 0x73, NULL);
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/* send the ones complement of the CRC in place of */
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/* the CRC, and the resulting CRC will always equal 0x55. */
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frame_crc = ~crc;
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zassert_equal(frame_crc, 0x8C, NULL);
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/* use the ones complement value and the next to last CRC value */
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crc = CRC_Calc_Header(frame_crc, crc);
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zassert_equal(crc, 0x55, NULL);
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}
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/**
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* @brief Test CRC8 from Annex G 2.0 of BACnet Standard
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST(crc_tests, testCRC16)
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#else
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static void testCRC16(void)
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#endif
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{
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uint16_t crc = 0xffff;
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uint16_t data_crc;
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crc = CRC_Calc_Data(0x01, crc);
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zassert_equal(crc, 0x1E0E, NULL);
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crc = CRC_Calc_Data(0x22, crc);
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zassert_equal(crc, 0xEB70, NULL);
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crc = CRC_Calc_Data(0x30, crc);
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zassert_equal(crc, 0x42EF, NULL);
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/* send the ones complement of the CRC in place of */
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/* the CRC, and the resulting CRC will always equal 0xF0B8. */
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data_crc = ~crc;
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zassert_equal(data_crc, 0xBD10, NULL);
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crc = CRC_Calc_Data(LO_BYTE(data_crc), crc);
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zassert_equal(crc, 0x0F3A, NULL);
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crc = CRC_Calc_Data(HI_BYTE(data_crc), crc);
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zassert_equal(crc, 0xF0B8, NULL);
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}
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/**
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* @brief "Test" to create/log generated CRC8 table
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST(crc_tests, testCRC8CreateTable)
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#else
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static void testCRC8CreateTable(void)
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#endif
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{
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uint8_t crc = 0xff; /* accumulates the crc value */
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int i;
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printf("static const uint8_t HeaderCRC[256] =\n");
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printf("{\n");
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printf(" ");
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for (i = 0; i < 256; i++) {
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crc = CRC_Calc_Header(i, 0);
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printf("0x%02x, ", crc);
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if (!((i + 1) % 8)) {
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printf("\n");
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if (i != 255) {
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printf(" ");
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}
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}
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}
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printf("};\n");
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}
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/**
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* @brief "Test" to create/log generated CRC16 table
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST(crc_tests, testCRC16CreateTable)
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#else
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static void testCRC16CreateTable(void)
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#endif
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{
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uint16_t crc;
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int i;
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printf("static const uint16_t DataCRC[256] =\n");
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printf("{\n");
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printf(" ");
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for (i = 0; i < 256; i++) {
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crc = CRC_Calc_Data(i, 0);
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printf("0x%04x, ", crc);
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if (!((i + 1) % 8)) {
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printf("\n");
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if (i != 255) {
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printf(" ");
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}
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}
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}
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printf("};\n");
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}
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/**
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* @}
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST_SUITE(crc_tests, NULL, NULL, NULL, NULL, NULL);
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#else
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void test_main(void)
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{
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ztest_test_suite(crc_tests,
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ztest_unit_test(testCRC8),
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ztest_unit_test(testCRC16),
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ztest_unit_test(testCRC8CreateTable),
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ztest_unit_test(testCRC16CreateTable)
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);
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ztest_run_test_suite(crc_tests);
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}
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#endif
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