/*
* Copyright (c) 2018, Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <drivers/counter.h>
#include <ztest.h>
#include <kernel.h>
#include <logging/log.h>
LOG_MODULE_REGISTER(test);
static struct k_sem top_cnt_sem;
static struct k_sem alarm_cnt_sem;
static void top_handler(struct device *dev, void *user_data);
void *exp_user_data = (void *)199;
#if defined(CONFIG_COUNTER_MCUX_RTC) || defined(CONFIG_COUNTER_RTC_STM32)
#define COUNTER_PERIOD_US (USEC_PER_SEC * 2U)
#else
#define COUNTER_PERIOD_US 20000
#endif
struct counter_alarm_cfg alarm_cfg;
struct counter_alarm_cfg alarm_cfg2;
static const char * const devices[] = {
#ifdef CONFIG_COUNTER_TIMER0
/* Nordic TIMER0 may be reserved for Bluetooth */
DT_NORDIC_NRF_TIMER_TIMER_0_LABEL,
#endif
#ifdef CONFIG_COUNTER_TIMER1
DT_NORDIC_NRF_TIMER_TIMER_1_LABEL,
#endif
#ifdef CONFIG_COUNTER_TIMER2
DT_NORDIC_NRF_TIMER_TIMER_2_LABEL,
#endif
#ifdef CONFIG_COUNTER_TIMER3
DT_NORDIC_NRF_TIMER_TIMER_3_LABEL,
#endif
#ifdef CONFIG_COUNTER_TIMER4
DT_NORDIC_NRF_TIMER_TIMER_4_LABEL,
#endif
#ifdef CONFIG_COUNTER_RTC0
/* Nordic RTC0 may be reserved for Bluetooth */
DT_NORDIC_NRF_RTC_RTC_0_LABEL,
#endif
/* Nordic RTC1 is used for the system clock */
#ifdef CONFIG_COUNTER_RTC2
DT_NORDIC_NRF_RTC_RTC_2_LABEL,
#endif
#ifdef CONFIG_COUNTER_IMX_EPIT_1
DT_COUNTER_IMX_EPIT_1_LABEL,
#endif
#ifdef CONFIG_COUNTER_IMX_EPIT_2
DT_COUNTER_IMX_EPIT_2_LABEL,
#endif
#ifdef DT_INST_0_ARM_CMSDK_TIMER_LABEL
DT_INST_0_ARM_CMSDK_TIMER_LABEL,
#endif
#ifdef DT_INST_1_ARM_CMSDK_TIMER_LABEL
DT_INST_1_ARM_CMSDK_TIMER_LABEL,
#endif
#ifdef DT_INST_0_ARM_CMSDK_DTIMER_LABEL
DT_INST_0_ARM_CMSDK_DTIMER_LABEL,
#endif
#ifdef DT_RTC_0_NAME
DT_RTC_0_NAME,
#endif
};
typedef void (*counter_test_func_t)(const char *dev_name);
typedef bool (*counter_capability_func_t)(const char *dev_name);
static void counter_setup_instance(const char *dev_name)
{
k_sem_reset(&alarm_cnt_sem);
}
static void counter_tear_down_instance(const char *dev_name)
{
int err;
struct device *dev;
struct counter_top_cfg top_cfg = {
.callback = NULL,
.user_data = NULL,
.flags = 0
};
dev = device_get_binding(dev_name);
top_cfg.ticks = counter_get_max_top_value(dev);
err = counter_set_top_value(dev, &top_cfg);
if (err == -ENOTSUP) {
/* If resetting is not support, attempt without reset. */
top_cfg.flags = COUNTER_TOP_CFG_DONT_RESET;
err = counter_set_top_value(dev, &top_cfg);
}
zassert_true((err == 0) || (err == -ENOTSUP),
"%s: Setting top value to default failed", dev_name);
err = counter_stop(dev);
zassert_equal(0, err, "%s: Counter failed to stop", dev_name);
}
static void test_all_instances(counter_test_func_t func,
counter_capability_func_t capability_check)
{
for (int i = 0; i < ARRAY_SIZE(devices); i++) {
counter_setup_instance(devices[i]);
if ((capability_check == NULL) ||
capability_check(devices[i])) {
TC_PRINT("Testing %s\n", devices[i]);
func(devices[i]);
} else {
TC_PRINT("Skipped for %s\n", devices[i]);
}
counter_tear_down_instance(devices[i]);
/* Allow logs to be printed. */
k_sleep(K_MSEC(100));
}
}
static bool set_top_value_capable(const char *dev_name)
{
struct device *dev = device_get_binding(dev_name);
struct counter_top_cfg cfg = {
.ticks = counter_get_top_value(dev) - 1
};
int err;
err = counter_set_top_value(dev, &cfg);
if (err == -ENOTSUP) {
return false;
}
cfg.ticks++;
err = counter_set_top_value(dev, &cfg);
if (err == -ENOTSUP) {
return false;
}
return true;
}
static void top_handler(struct device *dev, void *user_data)
{
zassert_true(user_data == exp_user_data,
"%s: Unexpected callback", dev->config->name);
k_sem_give(&top_cnt_sem);
}
void test_set_top_value_with_alarm_instance(const char *dev_name)
{
struct device *dev;
int err;
u32_t cnt;
u32_t top_cnt;
struct counter_top_cfg top_cfg = {
.callback = top_handler,
.user_data = exp_user_data,
.flags = 0
};
k_sem_reset(&top_cnt_sem);
dev = device_get_binding(dev_name);
top_cfg.ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
err = counter_start(dev);
zassert_equal(0, err, "%s: Counter failed to start", dev_name);
k_busy_wait(5000);
err = counter_get_value(dev, &cnt);
zassert_true(err == 0, "%s: Counter read failed (err: %d)", dev_name,
err);
if (counter_is_counting_up(dev)) {
err = (cnt > 0) ? 0 : 1;
} else {
top_cnt = counter_get_top_value(dev);
err = (cnt < top_cnt) ? 0 : 1;
}
zassert_true(err == 0, "%s: Counter should progress", dev_name);
err = counter_set_top_value(dev, &top_cfg);
zassert_equal(0, err, "%s: Counter failed to set top value (err: %d)",
dev_name, err);
k_busy_wait(5.2*COUNTER_PERIOD_US);
top_cnt = k_sem_count_get(&top_cnt_sem);
zassert_true(top_cnt == 5U,
"%s: Unexpected number of turnarounds (%d).",
dev_name, top_cnt);
}
void test_set_top_value_with_alarm(void)
{
test_all_instances(test_set_top_value_with_alarm_instance,
set_top_value_capable);
}
void test_set_top_value_without_alarm_instance(const char *dev_name)
{
struct device *dev;
int err;
u32_t cnt;
u32_t top_cnt;
struct counter_top_cfg top_cfg = {
.callback = NULL,
.user_data = NULL,
.flags = 0
};
dev = device_get_binding(dev_name);
top_cfg.ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
err = counter_start(dev);
zassert_equal(0, err, "%s: Counter failed to start", dev_name);
k_busy_wait(5000);
err = counter_get_value(dev, &cnt);
zassert_true(err == 0, "%s: Counter read failed (err: %d)", dev_name,
err);
if (counter_is_counting_up(dev)) {
err = (cnt > 0) ? 0 : 1;
} else {
top_cnt = counter_get_top_value(dev);
err = (cnt < top_cnt) ? 0 : 1;
}
zassert_true(err == 0, "%s: Counter should progress", dev_name);
err = counter_set_top_value(dev, &top_cfg);
zassert_equal(0, err, "%s: Counter failed to set top value (err: %d)",
dev_name, err);
zassert_true(counter_get_top_value(dev) == top_cfg.ticks,
"%s: new top value not in use.",
dev_name);
}
void test_set_top_value_without_alarm(void)
{
test_all_instances(test_set_top_value_without_alarm_instance,
set_top_value_capable);
}
static void alarm_handler(struct device *dev, u8_t chan_id, u32_t counter,
void *user_data)
{
u32_t now;
int err;
err = counter_get_value(dev, &now);
zassert_true(err == 0, "%s: Counter read failed (err: %d)",
dev->config->name, err);
if (counter_is_counting_up(dev)) {
zassert_true(now >= counter,
"%s: Alarm (%d) too early now: %d (counting up).",
dev->config->name, counter, now);
} else {
zassert_true(now <= counter,
"%s: Alarm (%d) too early now: %d (counting down).",
dev->config->name, counter, now);
}
if (user_data) {
zassert_true(&alarm_cfg == user_data,
"%s: Unexpected callback", dev->config->name);
}
zassert_true(k_is_in_isr(), "%s: Expected interrupt context",
dev->config->name);
k_sem_give(&alarm_cnt_sem);
}
void test_single_shot_alarm_instance(const char *dev_name, bool set_top)
{
struct device *dev;
int err;
u32_t ticks;
u32_t alarm_cnt;
struct counter_top_cfg top_cfg = {
.callback = top_handler,
.user_data = exp_user_data,
.flags = 0
};
dev = device_get_binding(dev_name);
ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
top_cfg.ticks = ticks;
alarm_cfg.flags = 0;
alarm_cfg.callback = alarm_handler;
alarm_cfg.user_data = &alarm_cfg;
k_sem_reset(&alarm_cnt_sem);
if (counter_get_num_of_channels(dev) < 1U) {
/* Counter does not support any alarm */
return;
}
err = counter_start(dev);
zassert_equal(0, err, "%s: Counter failed to start", dev_name);
if (set_top) {
err = counter_set_top_value(dev, &top_cfg);
zassert_equal(0, err,
"%s: Counter failed to set top value", dev_name);
alarm_cfg.ticks = ticks + 1;
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(-EINVAL, err,
"%s: Counter should return error because ticks"
" exceeded the limit set alarm", dev_name);
alarm_cfg.ticks = ticks - 1;
}
alarm_cfg.ticks = ticks;
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(0, err, "%s: Counter set alarm failed (err: %d)",
dev_name, err);
k_busy_wait(2*(u32_t)counter_ticks_to_us(dev, ticks));
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(1, alarm_cnt,
"%s: Expecting alarm callback", dev_name);
k_busy_wait(1.5*counter_ticks_to_us(dev, ticks));
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(1, alarm_cnt,
"%s: Expecting alarm callback", dev_name);
err = counter_cancel_channel_alarm(dev, 0);
zassert_equal(0, err, "%s: Counter disabling alarm failed", dev_name);
top_cfg.ticks = counter_get_max_top_value(dev);
top_cfg.callback = NULL;
top_cfg.user_data = NULL;
err = counter_set_top_value(dev, &top_cfg);
if (err == -ENOTSUP) {
/* If resetting is not support, attempt without reset. */
top_cfg.flags = COUNTER_TOP_CFG_DONT_RESET;
err = counter_set_top_value(dev, &top_cfg);
}
zassert_true((err == 0) || (err == -ENOTSUP),
"%s: Setting top value to default failed", dev_name);
err = counter_stop(dev);
zassert_equal(0, err, "%s: Counter failed to stop", dev_name);
}
void test_single_shot_alarm_notop_instance(const char *dev_name)
{
test_single_shot_alarm_instance(dev_name, false);
}
void test_single_shot_alarm_top_instance(const char *dev_name)
{
test_single_shot_alarm_instance(dev_name, true);
}
static bool single_channel_alarm_capable(const char *dev_name)
{
struct device *dev = device_get_binding(dev_name);
return (counter_get_num_of_channels(dev) > 0);
}
static bool single_channel_alarm_and_custom_top_capable(const char *dev_name)
{
return single_channel_alarm_capable(dev_name) &&
set_top_value_capable(dev_name);
}
void test_single_shot_alarm_notop(void)
{
test_all_instances(test_single_shot_alarm_notop_instance,
single_channel_alarm_capable);
}
void test_single_shot_alarm_top(void)
{
test_all_instances(test_single_shot_alarm_top_instance,
single_channel_alarm_and_custom_top_capable);
}
static void *clbk_data[10];
static void alarm_handler2(struct device *dev, u8_t chan_id, u32_t counter,
void *user_data)
{
clbk_data[k_sem_count_get(&alarm_cnt_sem)] = user_data;
k_sem_give(&alarm_cnt_sem);
}
/*
* Two alarms set. First alarm is absolute, second relative. Because
* setting of both alarms is delayed it is expected that second alarm
* will expire first (relative to the time called) while first alarm
* will expire after next wrap around.
*/
void test_multiple_alarms_instance(const char *dev_name)
{
struct device *dev;
int err;
u32_t ticks;
u32_t alarm_cnt;
struct counter_top_cfg top_cfg = {
.callback = top_handler,
.user_data = exp_user_data,
.flags = 0
};
dev = device_get_binding(dev_name);
ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
top_cfg.ticks = ticks;
alarm_cfg.flags = COUNTER_ALARM_CFG_ABSOLUTE;
alarm_cfg.ticks = counter_us_to_ticks(dev, 2000);
alarm_cfg.callback = alarm_handler2;
alarm_cfg.user_data = &alarm_cfg;
alarm_cfg2.flags = 0;
alarm_cfg2.ticks = counter_us_to_ticks(dev, 2000);
alarm_cfg2.callback = alarm_handler2;
alarm_cfg2.user_data = &alarm_cfg2;
k_sem_reset(&alarm_cnt_sem);
if (counter_get_num_of_channels(dev) < 2U) {
/* Counter does not support two alarms */
return;
}
err = counter_start(dev);
zassert_equal(0, err, "%s: Counter failed to start", dev_name);
err = counter_set_top_value(dev, &top_cfg);
zassert_equal(0, err,
"%s: Counter failed to set top value", dev_name);
k_busy_wait(3*(u32_t)counter_ticks_to_us(dev, alarm_cfg.ticks));
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(0, err, "%s: Counter set alarm failed", dev_name);
err = counter_set_channel_alarm(dev, 1, &alarm_cfg2);
zassert_equal(0, err, "%s: Counter set alarm failed", dev_name);
k_busy_wait(1.2*counter_ticks_to_us(dev, ticks * 2U));
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(2, alarm_cnt,
"%s: Invalid number of callbacks %d (expected: %d)",
dev_name, alarm_cnt, 2);
zassert_equal(&alarm_cfg2, clbk_data[0],
"%s: Expected different order or callbacks",
dev_name);
zassert_equal(&alarm_cfg, clbk_data[1],
"%s: Expected different order or callbacks",
dev_name);
/* tear down */
err = counter_cancel_channel_alarm(dev, 0);
zassert_equal(0, err, "%s: Counter disabling alarm failed", dev_name);
err = counter_cancel_channel_alarm(dev, 1);
zassert_equal(0, err, "%s: Counter disabling alarm failed", dev_name);
}
static bool multiple_channel_alarm_capable(const char *dev_name)
{
struct device *dev = device_get_binding(dev_name);
return (counter_get_num_of_channels(dev) > 1);
}
void test_multiple_alarms(void)
{
test_all_instances(test_multiple_alarms_instance,
multiple_channel_alarm_capable);
}
void test_all_channels_instance(const char *dev_name)
{
struct device *dev;
int err;
const int n = 10;
int nchan = 0;
bool limit_reached = false;
struct counter_alarm_cfg alarm_cfgs;
u32_t ticks;
u32_t alarm_cnt;
dev = device_get_binding(dev_name);
ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
alarm_cfgs.flags = 0;
alarm_cfgs.ticks = ticks;
alarm_cfgs.callback = alarm_handler2;
alarm_cfgs.user_data = NULL;
err = counter_start(dev);
zassert_equal(0, err, "%s: Counter failed to start", dev_name);
for (int i = 0; i < n; i++) {
err = counter_set_channel_alarm(dev, i, &alarm_cfgs);
if ((err == 0) && !limit_reached) {
nchan++;
} else if (err == -ENOTSUP) {
limit_reached = true;
} else {
zassert_equal(0, 1,
"%s: Unexpected error on setting alarm", dev_name);
}
}
k_busy_wait(1.5*counter_ticks_to_us(dev, ticks));
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(nchan, alarm_cnt,
"%s: Expecting alarm callback", dev_name);
for (int i = 0; i < nchan; i++) {
err = counter_cancel_channel_alarm(dev, i);
zassert_equal(0, err,
"%s: Unexpected error on disabling alarm", dev_name);
}
for (int i = nchan; i < n; i++) {
err = counter_cancel_channel_alarm(dev, i);
zassert_equal(-ENOTSUP, err,
"%s: Unexpected error on disabling alarm", dev_name);
}
}
void test_all_channels(void)
{
test_all_instances(test_all_channels_instance,
single_channel_alarm_capable);
}
/**
* Test validates if alarm set too late (current tick or current tick + 1)
* results in callback being called.
*/
void test_late_alarm_instance(const char *dev_name)
{
int err;
u32_t alarm_cnt;
struct device *dev = device_get_binding(dev_name);
u32_t tick_us = (u32_t)counter_ticks_to_us(dev, 1);
u32_t guard = counter_us_to_ticks(dev, 200);
struct counter_alarm_cfg alarm_cfg = {
.callback = alarm_handler,
.flags = COUNTER_ALARM_CFG_ABSOLUTE |
COUNTER_ALARM_CFG_EXPIRE_WHEN_LATE,
.user_data = NULL
};
err = counter_set_guard_period(dev, guard,
COUNTER_GUARD_PERIOD_LATE_TO_SET);
zassert_equal(0, err, "%s: Unexcepted error", dev_name);
err = counter_start(dev);
zassert_equal(0, err, "%s: Unexcepted error", dev_name);
k_busy_wait(2*tick_us);
alarm_cfg.ticks = 0;
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(-ETIME, err, "%s: Unexpected error (%d)", dev_name, err);
/* wait couple of ticks */
k_busy_wait(5*tick_us);
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(1, alarm_cnt,
"%s: Expected %d callbacks, got %d\n",
dev_name, 1, alarm_cnt);
err = counter_get_value(dev, &(alarm_cfg.ticks));
zassert_true(err == 0, "%s: Counter read failed (err: %d)", dev_name,
err);
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(-ETIME, err, "%s: Failed to set an alarm (err: %d)",
dev_name, err);
/* wait to ensure that tick+1 timeout will expire. */
k_busy_wait(3*tick_us);
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(2, alarm_cnt,
"%s: Expected %d callbacks, got %d\n",
dev_name, 2, alarm_cnt);
}
void test_late_alarm_error_instance(const char *dev_name)
{
int err;
struct device *dev = device_get_binding(dev_name);
u32_t tick_us = (u32_t)counter_ticks_to_us(dev, 1);
u32_t guard = counter_us_to_ticks(dev, 200);
struct counter_alarm_cfg alarm_cfg = {
.callback = alarm_handler,
.flags = COUNTER_ALARM_CFG_ABSOLUTE,
.user_data = NULL
};
err = counter_set_guard_period(dev, guard,
COUNTER_GUARD_PERIOD_LATE_TO_SET);
zassert_equal(0, err, "%s: Unexcepted error", dev_name);
err = counter_start(dev);
zassert_equal(0, err, "%s: Unexcepted error", dev_name);
k_busy_wait(2*tick_us);
alarm_cfg.ticks = 0;
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(-ETIME, err,
"%s: Failed to detect late setting (err: %d)",
dev_name, err);
err = counter_get_value(dev, &(alarm_cfg.ticks));
zassert_true(err == 0, "%s: Counter read failed (err: %d)", dev_name,
err);
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(-ETIME, err,
"%s: Counter failed to detect late setting (err: %d)",
dev_name, err);
}
static bool late_detection_capable(const char *dev_name)
{
struct device *dev = device_get_binding(dev_name);
u32_t guard = counter_get_guard_period(dev,
COUNTER_GUARD_PERIOD_LATE_TO_SET);
int err = counter_set_guard_period(dev, guard,
COUNTER_GUARD_PERIOD_LATE_TO_SET);
if (err == -ENOTSUP) {
return false;
}
return true;
}
void test_late_alarm(void)
{
test_all_instances(test_late_alarm_instance, late_detection_capable);
}
void test_late_alarm_error(void)
{
test_all_instances(test_late_alarm_error_instance,
late_detection_capable);
}
static void test_short_relative_alarm_instance(const char *dev_name)
{
int err;
u32_t alarm_cnt;
struct device *dev = device_get_binding(dev_name);
u32_t tick_us = (u32_t)counter_ticks_to_us(dev, 1);
struct counter_alarm_cfg alarm_cfg = {
.callback = alarm_handler,
.flags = 0,
.user_data = NULL
};
err = counter_start(dev);
zassert_equal(0, err, "%s: Unexcepted error", dev_name);
alarm_cfg.ticks = 1;
for (int i = 0; i < 100; ++i) {
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(0, err,
"%s: Failed to set an alarm (err: %d)",
dev_name, err);
/* wait to ensure that tick+1 timeout will expire. */
k_busy_wait(3*tick_us);
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(i + 1, alarm_cnt,
"%s: Expected %d callbacks, got %d\n",
dev_name, i + 1, alarm_cnt);
}
}
/* Function checks if relative alarm set for 1 tick will expire. If handler is
* not called within near future it indicates that driver do not support it and
* more extensive testing is skipped.
*/
static bool short_relative_capable(const char *dev_name)
{
struct device *dev = device_get_binding(dev_name);
struct counter_alarm_cfg alarm_cfg = {
.callback = alarm_handler,
.flags = 0,
.user_data = NULL,
.ticks = 1
};
int err;
bool ret;
if (single_channel_alarm_capable(dev_name) == false) {
return false;
}
err = counter_start(dev);
if (err != 0) {
ret = false;
goto end;
}
k_sem_reset(&alarm_cnt_sem);
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
if (err != 0) {
ret = false;
goto end;
}
k_busy_wait(counter_ticks_to_us(dev, 10));
if (k_sem_count_get(&alarm_cnt_sem) == 1) {
ret = true;
} else {
ret = false;
(void)counter_cancel_channel_alarm(dev, 0);
}
end:
k_sem_reset(&alarm_cnt_sem);
counter_stop(dev);
k_busy_wait(1000);
return ret;
}
static void test_short_relative_alarm(void)
{
test_all_instances(test_short_relative_alarm_instance,
short_relative_capable);
}
/* Test checks if cancelled alarm does not get triggered when new alarm is
* configured at the point where previous alarm was about to expire.
*/
static void test_cancelled_alarm_does_not_expire_instance(const char *dev_name)
{
int err;
u32_t alarm_cnt;
struct device *dev = device_get_binding(dev_name);
u32_t us = 1000;
u32_t ticks = counter_us_to_ticks(dev, us);
us = (u32_t)counter_ticks_to_us(dev, ticks);
struct counter_alarm_cfg alarm_cfg = {
.callback = alarm_handler,
.flags = COUNTER_ALARM_CFG_ABSOLUTE,
.user_data = NULL
};
err = counter_start(dev);
zassert_equal(0, err, "%s: Unexcepted error", dev_name);
for (int i = 0; i < us/2; ++i) {
err = counter_get_value(dev, &(alarm_cfg.ticks));
zassert_true(err == 0, "%s: Counter read failed (err: %d)",
dev_name, err);
alarm_cfg.ticks += ticks;
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(0, err, "%s: Failed to set an alarm (err: %d)",
dev_name, err);
err = counter_cancel_channel_alarm(dev, 0);
zassert_equal(0, err, "%s: Failed to cancel an alarm (err: %d)",
dev_name, err);
k_busy_wait(us/2 + i);
alarm_cfg.ticks = alarm_cfg.ticks + 2*alarm_cfg.ticks;
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(0, err, "%s: Failed to set an alarm (err: %d)",
dev_name, err);
/* wait to ensure that tick+1 timeout will expire. */
k_busy_wait(us);
err = counter_cancel_channel_alarm(dev, 0);
zassert_equal(0, err, "%s: Failed to cancel an alarm (err: %d)",
dev_name, err);
alarm_cnt = k_sem_count_get(&alarm_cnt_sem);
zassert_equal(0, alarm_cnt,
"%s: Expected %d callbacks, got %d\n",
dev_name, 0, alarm_cnt);
}
}
static bool reliable_cancel_capable(const char *dev_name)
{
/* Test performed only for NRF_RTC instances. Other probably will fail.
*/
#ifdef CONFIG_COUNTER_RTC0
/* Nordic RTC0 may be reserved for Bluetooth */
if (strcmp(dev_name, DT_NORDIC_NRF_RTC_RTC_0_LABEL) == 0) {
return true;
}
#endif
#ifdef CONFIG_COUNTER_RTC2
if (strcmp(dev_name, DT_NORDIC_NRF_RTC_RTC_2_LABEL) == 0) {
return true;
}
#endif
#ifdef CONFIG_COUNTER_TIMER0
if (strcmp(dev_name, DT_NORDIC_NRF_TIMER_TIMER_0_LABEL) == 0) {
return true;
}
#endif
#ifdef CONFIG_COUNTER_TIMER1
if (strcmp(dev_name, DT_NORDIC_NRF_TIMER_TIMER_1_LABEL) == 0) {
return true;
}
#endif
#ifdef CONFIG_COUNTER_TIMER2
if (strcmp(dev_name, DT_NORDIC_NRF_TIMER_TIMER_2_LABEL) == 0) {
return true;
}
#endif
#ifdef CONFIG_COUNTER_TIMER3
if (strcmp(dev_name, DT_NORDIC_NRF_TIMER_TIMER_3_LABEL) == 0) {
return true;
}
#endif
#ifdef CONFIG_COUNTER_TIMER4
if (strcmp(dev_name, DT_NORDIC_NRF_TIMER_TIMER_4_LABEL) == 0) {
return true;
}
#endif
return false;
}
void test_cancelled_alarm_does_not_expire(void)
{
test_all_instances(test_cancelled_alarm_does_not_expire_instance,
reliable_cancel_capable);
}
void test_main(void)
{
struct device *dev;
int i;
/* Give required clocks some time to stabilize. In particular, nRF SoCs
* need such delay for the Xtal LF clock source to start and for this
* test to use the correct timing.
*/
k_busy_wait(USEC_PER_MSEC * 300);
k_sem_init(&top_cnt_sem, 0, UINT_MAX);
k_object_access_grant(&top_cnt_sem, k_current_get());
k_sem_init(&alarm_cnt_sem, 0, UINT_MAX);
k_object_access_grant(&alarm_cnt_sem, k_current_get());
for (i = 0; i < ARRAY_SIZE(devices); i++) {
dev = device_get_binding(devices[i]);
zassert_not_null(dev, "Unable to get counter device %s",
devices[i]);
k_object_access_grant(dev, k_current_get());
}
ztest_test_suite(test_counter,
/* Uses callbacks, run in supervisor mode */
ztest_unit_test(test_set_top_value_with_alarm),
ztest_unit_test(test_single_shot_alarm_notop),
ztest_unit_test(test_single_shot_alarm_top),
ztest_unit_test(test_multiple_alarms),
ztest_unit_test(test_all_channels),
ztest_unit_test(test_late_alarm),
ztest_unit_test(test_late_alarm_error),
ztest_unit_test(test_short_relative_alarm),
ztest_unit_test(test_cancelled_alarm_does_not_expire),
/* No callbacks, run in usermode */
ztest_user_unit_test(test_set_top_value_without_alarm)
);
ztest_run_test_suite(test_counter);
}