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tests: drivers: Extend coverage for NRF GRTC timer

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Add more test cases for nRF GRTC timer

Signed-off-by: Bartosz Miller <bartosz.miller@nordicsemi.no>
This commit is contained in:
Bartosz Miller 2024-04-30 10:49:36 +02:00 • committed by Carles Cufí
commit a49c649b90
2 changed files with 88 additions and 0 deletions
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5
tests/drivers/timer/nrf_grtc_timer/boards/nrf54h20dk_nrf54h20_cpuapp.overlay Normal file
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@ -0,0 +1,5 @@
/* SPDX-License-Identifier: Apache-2.0 */
&grtc {
/delete-property/ child-owned-channels;
};

83
tests/drivers/timer/nrf_grtc_timer/src/main.c
View file

@ -11,6 +11,18 @@
#define NUMBER_OF_TRIES 2000 #define NUMBER_OF_TRIES 2000
#define CYC_PER_TICK \ #define CYC_PER_TICK \
((uint64_t)sys_clock_hw_cycles_per_sec() / (uint64_t)CONFIG_SYS_CLOCK_TICKS_PER_SEC) ((uint64_t)sys_clock_hw_cycles_per_sec() / (uint64_t)CONFIG_SYS_CLOCK_TICKS_PER_SEC)
#define TIMER_COUNT_TIME_MS 10
#define WAIT_FOR_TIMER_EVENT_TIME_MS TIMER_COUNT_TIME_MS + 5
static volatile uint8_t compare_isr_call_counter;
/* GRTC timer compare interrupt handler */
static void timer_compare_interrupt_handler(int32_t id, uint64_t expire_time, void *user_data)
{
compare_isr_call_counter++;
TC_PRINT("Compare value reached, user data: '%s'\n", (char *)user_data);
TC_PRINT("Call counter: %d\n", compare_isr_call_counter);
}
ZTEST(nrf_grtc_timer, test_get_ticks) ZTEST(nrf_grtc_timer, test_get_ticks)
{ {
@ -48,4 +60,75 @@ ZTEST(nrf_grtc_timer, test_get_ticks)
} }
} }
ZTEST(nrf_grtc_timer, test_timer_count_in_compare_mode)
{
int err;
uint64_t test_ticks = 0;
uint64_t compare_value = 0;
char user_data[] = "test_timer_count_in_compare_mode\n";
int32_t channel = z_nrf_grtc_timer_chan_alloc();
TC_PRINT("Allocated GRTC channel %d\n", channel);
if (channel < 0) {
TC_PRINT("Failed to allocate GRTC channel, chan=%d\n", channel);
ztest_test_fail();
}
compare_isr_call_counter = 0;
test_ticks = z_nrf_grtc_timer_get_ticks(K_MSEC(TIMER_COUNT_TIME_MS));
err = z_nrf_grtc_timer_set(channel, test_ticks, timer_compare_interrupt_handler,
(void *)user_data);
zassert_equal(err, 0, "z_nrf_grtc_timer_set raised an error: %d", err);
z_nrf_grtc_timer_compare_read(channel, &compare_value);
zassert_true(K_TIMEOUT_EQ(K_TICKS(compare_value), K_TICKS(test_ticks)),
"Compare register set failed");
zassert_equal(err, 0, "Unexpected error raised when setting timer, err: %d", err);
k_sleep(K_MSEC(WAIT_FOR_TIMER_EVENT_TIME_MS));
TC_PRINT("Compare event generated ?: %d\n", z_nrf_grtc_timer_compare_evt_check(channel));
TC_PRINT("Compare event register address: %X\n",
z_nrf_grtc_timer_compare_evt_address_get(channel));
zassert_equal(compare_isr_call_counter, 1, "Compare isr call counter: %d",
compare_isr_call_counter);
z_nrf_grtc_timer_chan_free(channel);
}
ZTEST(nrf_grtc_timer, test_timer_abort_in_compare_mode)
{
int err;
uint64_t test_ticks = 0;
uint64_t compare_value = 0;
char user_data[] = "test_timer_abort_in_compare_mode\n";
int32_t channel = z_nrf_grtc_timer_chan_alloc();
TC_PRINT("Allocated GRTC channel %d\n", channel);
if (channel < 0) {
TC_PRINT("Failed to allocate GRTC channel, chan=%d\n", channel);
ztest_test_fail();
}
compare_isr_call_counter = 0;
test_ticks = z_nrf_grtc_timer_get_ticks(K_MSEC(TIMER_COUNT_TIME_MS));
err = z_nrf_grtc_timer_set(channel, test_ticks, timer_compare_interrupt_handler,
(void *)user_data);
zassert_equal(err, 0, "z_nrf_grtc_timer_set raised an error: %d", err);
z_nrf_grtc_timer_abort(channel);
z_nrf_grtc_timer_compare_read(channel, &compare_value);
zassert_true(K_TIMEOUT_EQ(K_TICKS(compare_value), K_TICKS(test_ticks)),
"Compare register set failed");
zassert_equal(err, 0, "Unexpected error raised when setting timer, err: %d", err);
k_sleep(K_MSEC(WAIT_FOR_TIMER_EVENT_TIME_MS));
zassert_equal(compare_isr_call_counter, 0, "Compare isr call counter: %d",
compare_isr_call_counter);
z_nrf_grtc_timer_chan_free(channel);
}
ZTEST_SUITE(nrf_grtc_timer, NULL, NULL, NULL, NULL, NULL); ZTEST_SUITE(nrf_grtc_timer, NULL, NULL, NULL, NULL, NULL);