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tests-mbed_drivers-lp_timer: change delay method #7471

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Merged
merged 1 commit into from
Jul 13, 2018
Merged

tests-mbed_drivers-lp_timer: change delay method #7471

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38 changes: 25 additions & 13 deletions TESTS/mbed_drivers/lp_timer/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,18 @@ extern uint32_t SystemCoreClock;
#define DELTA_MS(delay_ms) (1 + ((delay_ms) * US_PER_MSEC / 20 / US_PER_MSEC))
#define DELTA_S(delay_ms) (0.000500f + (((float)(delay_ms)) / MSEC_PER_SEC / 20))

void busy_wait_us(int us)
{
const ticker_data_t *const ticker = get_us_ticker_data();
uint32_t start = ticker_read(ticker);
while ((ticker_read(ticker) - start) < (uint32_t)us);
}

void busy_wait_ms(int ms)
{
busy_wait_us(ms * US_PER_MSEC);
}

/* This test verifies if low power timer is stopped after
* creation.
*
Expand All @@ -74,7 +86,7 @@ void test_lptimer_creation()

/* Wait 10 ms.
* After that operation timer read routines should still return 0. */
wait_ms(10);
busy_wait_ms(10);

/* Check results. */
TEST_ASSERT_EQUAL_FLOAT(0, lp_timer.read());
Expand Down Expand Up @@ -102,7 +114,7 @@ void test_lptimer_time_accumulation()
lp_timer.start();

/* Wait 10 ms. */
wait_ms(10);
busy_wait_ms(10);

/* Stop the timer. */
lp_timer.stop();
Expand All @@ -116,15 +128,15 @@ void test_lptimer_time_accumulation()
/* Wait 50 ms - this is done to show that time elapsed when
* the timer is stopped does not have influence on the
* timer counted time. */
wait_ms(50);
busy_wait_ms(50);

/* ------ */

/* Start the timer. */
lp_timer.start();

/* Wait 20 ms. */
wait_ms(20);
busy_wait_ms(20);

/* Stop the timer. */
lp_timer.stop();
Expand All @@ -145,7 +157,7 @@ void test_lptimer_time_accumulation()
lp_timer.start();

/* Wait 30 ms. */
wait_ms(30);
busy_wait_ms(30);

/* Stop the timer. */
lp_timer.stop();
Expand All @@ -159,15 +171,15 @@ void test_lptimer_time_accumulation()
/* Wait 50 ms - this is done to show that time elapsed when
* the timer is stopped does not have influence on the
* timer time. */
wait_ms(50);
busy_wait_ms(50);

/* ------ */

/* Start the timer. */
lp_timer.start();

/* Wait 1 sec. */
wait_ms(1000);
busy_wait_ms(1000);

/* Stop the timer. */
lp_timer.stop();
Expand Down Expand Up @@ -196,7 +208,7 @@ void test_lptimer_reset()
lp_timer.start();

/* Wait 10 ms. */
wait_ms(10);
busy_wait_ms(10);

/* Stop the timer. */
lp_timer.stop();
Expand All @@ -214,7 +226,7 @@ void test_lptimer_reset()
lp_timer.start();

/* Wait 20 ms. */
wait_ms(20);
busy_wait_ms(20);

/* Stop the timer. */
lp_timer.stop();
Expand All @@ -241,13 +253,13 @@ void test_lptimer_start_started_timer()
lp_timer.start();

/* Wait 10 ms. */
wait_ms(10);
busy_wait_ms(10);

/* Now start timer again. */
lp_timer.start();

/* Wait 20 ms. */
wait_ms(20);
busy_wait_ms(20);

/* Stop the timer. */
lp_timer.stop();
Expand All @@ -274,7 +286,7 @@ void test_lptimer_float_operator()
lp_timer.start();

/* Wait 10 ms. */
wait_ms(10);
busy_wait_ms(10);

/* Stop the timer. */
lp_timer.stop();
Expand Down Expand Up @@ -302,7 +314,7 @@ void test_lptimer_time_measurement()
lp_timer.start();

/* Wait <wait_val_us> us. */
wait_us(wait_val_us);
busy_wait_us(wait_val_us);

/* Stop the timer. */
lp_timer.stop();
Expand Down