tests: drivers: can: test can_get_core_clock() and can_get_max_bitrate() (28d92783) · Commits · Wenxi XU / zephyr

tests/drivers/can/api/src/main.c

+37 −2

Original line number	Diff line number	Diff line
		@@ -579,11 +579,44 @@ static void send_receive(const struct zcan_filter *filter1,
		can_remove_rx_filter(can_dev, filter_id_2);
		}

		/**
		* @brief Test getting the CAN core clock rate.
		*/
		static void test_get_core_clock(void)
		{
		uint32_t rate;
		int err;

		err = can_get_core_clock(can_dev, &rate);
		zassert_equal(err, 0, "failed to get CAN core clock rate (err %d)", err);
		zassert_not_equal(rate, 0, "CAN core clock rate is 0");
		}

		/**
		* @brief Test setting a too high bitrate.
		*/
		static void test_set_bitrate_too_high(void)
		{
		uint32_t max;
		int err;

		err = can_get_max_bitrate(can_dev, &max);
		if (err == -ENOSYS) {
		ztest_test_skip();
		}

		zassert_equal(err, 0, "failed to get max bitrate (err %d)", err);
		zassert_not_equal(max, 0, "max bitrate is 0");

		err = can_set_bitrate(can_dev, max + 1, max + 1);
		zassert_equal(err, -ENOTSUP, "too high bitrate accepted");
		}

		/**
		* @brief Test configuring the CAN controller for loopback mode.
		*
		* This must be the first test case as it allows the other test cases to
		* send/receive their own frames.
		* This test case must be run before sending/receiving test cases as it allows
		* these test cases to send/receive their own frames.
		*/
		static void test_set_loopback(void)
		{
		@@ -815,6 +848,8 @@ void test_main(void)

		/* Tests without callbacks can run in userspace */
		ztest_test_suite(can_api_tests,
		ztest_user_unit_test(test_get_core_clock),
		ztest_user_unit_test(test_set_bitrate_too_high),
		ztest_unit_test(test_set_loopback),
		ztest_user_unit_test(test_send_and_forget),
		ztest_unit_test(test_add_filter),

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