mirror of https://github.com/ARMmbed/mbed-os.git
106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2017 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed.h"
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#include "greentea-client/test_env.h"
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#include "unity.h"
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#include "utest.h"
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#include "rtos.h"
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#include "lp_ticker_api_tests.h"
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#include "hal/lp_ticker_api.h"
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#if !DEVICE_LOWPOWERTIMER
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#error [NOT_SUPPORTED] test not supported
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#endif
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using namespace utest::v1;
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volatile int intFlag = 0;
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#define TICKER_INT_VAL 5000
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#define TICKER_DELTA 50
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void ticker_event_handler_stub(const ticker_data_t * const ticker)
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{
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/* Indicate that ISR has been executed in interrupt context. */
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if (IS_IRQ_MODE()) {
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intFlag++;
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}
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/* Clear and disable ticker interrupt. */
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lp_ticker_clear_interrupt();
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lp_ticker_disable_interrupt();
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}
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void wait_cycles(volatile unsigned int cycles)
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{
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while (cycles--);
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}
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/* Test that the ticker has the correct frequency and number of bits. */
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void lp_ticker_info_test()
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{
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const ticker_info_t* p_ticker_info = lp_ticker_get_info();
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TEST_ASSERT(p_ticker_info->frequency >= 8000);
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TEST_ASSERT(p_ticker_info->frequency <= 64000);
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TEST_ASSERT(p_ticker_info->bits >= 12);
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}
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/* Test that the ticker continues operating in deep sleep mode. */
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void lp_ticker_deepsleep_test()
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{
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intFlag = 0;
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set_lp_ticker_irq_handler(ticker_event_handler_stub);
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lp_ticker_init();
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/* Wait for green tea UART transmission before entering deep-sleep mode. */
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wait_cycles(40000);
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const uint32_t tick_count = lp_ticker_read();
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/* Set interrupt. Interrupt should be fired when tick count is equal to:
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* tick_count + TICKER_INT_VAL. */
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lp_ticker_set_interrupt(tick_count + TICKER_INT_VAL);
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TEST_ASSERT_TRUE(sleep_manager_can_deep_sleep());
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while (!intFlag) {
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sleep();
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}
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TEST_ASSERT_EQUAL(1, intFlag);
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}
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utest::v1::status_t test_setup(const size_t number_of_cases)
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{
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GREENTEA_SETUP(20, "default_auto");
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return verbose_test_setup_handler(number_of_cases);
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}
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Case cases[] = {
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Case("lp ticker info test", lp_ticker_info_test),
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Case("lp ticker sleep test", lp_ticker_deepsleep_test),
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};
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Specification specification(test_setup, cases);
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int main()
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{
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return !Harness::run(specification);
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}
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