e99a015ba3
Extended test to validate following functionality: - k_busy_wait - k_timer - irq_lock/irq_unlock - k_cpu_idle - SYS_INIT() Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
/*
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* Copyright (c) 2018 Intel Corporation
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* Copyright (c) 2021 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <device.h>
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#include <ztest.h>
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void test_k_busy_wait(void)
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{
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int64_t now = k_uptime_get();
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uint32_t watchdog = CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC;
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while (k_uptime_get() != now) {
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/* Wait until uptime progresses */
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watchdog--;
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if (watchdog == 0) {
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zassert_false(true, "No progress in uptime");
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}
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}
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now = k_uptime_get();
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/* Check that k_busy_wait is working as expected. */
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k_busy_wait(10000);
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int64_t diff = k_uptime_get() - now;
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zassert_within(diff, 10, 2, NULL);
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}
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static void timeout_handler(struct k_timer *timer)
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{
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bool *flag = k_timer_user_data_get(timer);
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*flag = true;
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}
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K_TIMER_DEFINE(timer, timeout_handler, NULL);
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void test_irq_locking(void)
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{
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volatile bool timeout_run = false;
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k_timer_user_data_set(&timer, (void *)&timeout_run);
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k_timer_start(&timer, K_MSEC(10), K_NO_WAIT);
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unsigned int key = irq_lock();
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k_busy_wait(15000);
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zassert_false(timeout_run, "Timeout should not expire because irq is locked");
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irq_unlock(key);
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zassert_true(timeout_run, "Timeout should expire because irq got unlocked");
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}
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void test_cpu_idle(void)
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{
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volatile bool timeout_run = false;
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int64_t now, diff;
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k_timer_user_data_set(&timer, (void *)&timeout_run);
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now = k_uptime_get();
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/* Start timer and go to idle, cpu should sleep until it is waken up
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* by sys clock interrupt.
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*/
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k_timer_start(&timer, K_MSEC(10), K_NO_WAIT);
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k_cpu_idle();
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diff = k_uptime_get() - now;
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zassert_true(timeout_run, "Timeout should expire");
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zassert_within(diff, 10, 2, "Unexpected time passed: %d ms", (int)diff);
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}
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#define SYS_INIT_CREATE(level) \
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static int pre_kernel_##level##_init_func(const struct device *dev) \
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{ \
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ARG_UNUSED(dev); \
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if (init_order != _SYS_INIT_LEVEL_##level && sys_init_result == 0) { \
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sys_init_result = -1; \
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return -EIO; \
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} \
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init_order++; \
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return 0;\
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} \
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SYS_INIT(pre_kernel_##level##_init_func, level, 0)
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static int init_order;
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static int sys_init_result;
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FOR_EACH(SYS_INIT_CREATE, (;), PRE_KERNEL_1, PRE_KERNEL_2, POST_KERNEL);
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void test_sys_init(void)
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{
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zassert_equal(init_order, 3, "SYS_INIT failed");
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}
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void test_main(void)
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{
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ztest_test_suite(no_multithreading,
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ztest_unit_test(test_k_busy_wait),
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ztest_unit_test(test_irq_locking),
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ztest_unit_test(test_cpu_idle),
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ztest_unit_test(test_sys_init)
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);
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ztest_run_test_suite(no_multithreading);
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}
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