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* Copyright (c) 2018, Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <counter.h>
#include <ztest.h>
#include <kernel.h>
static volatile u32_t top_cnt;
static volatile u32_t alarm_cnt;
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;
const char *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_RTC_MCUX_0_NAME
DT_RTC_MCUX_0_NAME,
#endif
#ifdef DT_ARM_CMSDK_TIMER_0_LABEL
DT_ARM_CMSDK_TIMER_0_LABEL,
#endif
#ifdef DT_ARM_CMSDK_TIMER_1_LABEL
DT_ARM_CMSDK_TIMER_1_LABEL,
#endif
#ifdef DT_ARM_CMSDK_DTIMER_0_LABEL
DT_ARM_CMSDK_DTIMER_0_LABEL,
#endif
#ifdef DT_RTC_0_NAME
DT_RTC_0_NAME,
#endif
#ifdef CONFIG_COUNTER_0_NAME
CONFIG_COUNTER_0_NAME,
#endif
};
typedef void (*counter_test_func_t)(const char *dev_name);
static void counter_setup_instance(const char *dev_name)
{
alarm_cnt = 0U;
}
static void counter_tear_down_instance(const char *dev_name)
{
int err;
struct device *dev;
dev = device_get_binding(dev_name);
err = counter_set_top_value(dev, counter_get_max_top_value(dev),
NULL, NULL);
zassert_equal(0, err, "Setting top value to default failed\n");
err = counter_stop(dev);
zassert_equal(0, err, "Counter failed to stop\n");
}
static void test_all_instances(counter_test_func_t func)
{
for (int i = 0; i < ARRAY_SIZE(devices); i++) {
counter_setup_instance(devices[i]);
func(devices[i]);
counter_tear_down_instance(devices[i]);
}
}
static void top_handler(struct device *dev, void *user_data)
{
zassert_true(user_data == exp_user_data, "Unexpected callback\n");
top_cnt++;
}
void test_set_top_value_with_alarm_instance(const char *dev_name)
{
struct device *dev;
int err;
u32_t cnt;
u32_t ticks;
u32_t tmp_top_cnt;
top_cnt = 0U;
dev = device_get_binding(dev_name);
ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
err = counter_start(dev);
zassert_equal(0, err, "Counter failed to start\n");
k_busy_wait(5000);
cnt = counter_read(dev);
zassert_true(cnt > 0, "Counter should progress (dev:%s)\n", dev_name);
err = counter_set_top_value(dev, ticks, top_handler, exp_user_data);
zassert_equal(0, err, "Counter failed to set top value (dev:%s)\n",
dev_name);
k_busy_wait(5.2*COUNTER_PERIOD_US);
tmp_top_cnt = top_cnt; /* to avoid passing volatile to the macro */
zassert_true(tmp_top_cnt == 5U,
"Unexpected number of turnarounds (%d) (dev: %s).\n",
tmp_top_cnt, dev_name);
}
void test_set_top_value_with_alarm(void)
{
#if defined(CONFIG_COUNTER_MCUX_RTC) || defined(CONFIG_COUNTER_RTC_STM32)\
|| defined(DT_RTC_0_NAME)
ztest_test_skip();
#else
test_all_instances(test_set_top_value_with_alarm_instance);
#endif
}
static void alarm_handler(struct device *dev, u8_t chan_id, u32_t counter,
void *user_data)
{
zassert_true(&alarm_cfg == user_data, "Unexpected callback\n");
alarm_cnt++;
}
void test_single_shot_alarm_instance(const char *dev_name, bool set_top)
{
struct device *dev;
int err;
u32_t ticks;
u32_t tmp_alarm_cnt;
dev = device_get_binding(dev_name);
ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
alarm_cfg.absolute = false;
alarm_cfg.ticks = ticks;
alarm_cfg.callback = alarm_handler;
alarm_cfg.user_data = &alarm_cfg;
alarm_cnt = 0U;
if (counter_get_num_of_channels(dev) < 1U) {
/* Counter does not support any alarm */
return;
}
err = counter_start(dev);
zassert_equal(0, err, "Counter failed to start\n");
if (set_top) {
err = counter_set_top_value(dev, ticks, top_handler,
exp_user_data);
zassert_equal(0, err, "Counter failed to set top value\n");
alarm_cfg.ticks = ticks + 1;
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(-EINVAL, err,
"Counter should return error because ticks"
" exceeded the limit set alarm\n");
alarm_cfg.ticks = ticks - 1;
}
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(0, err, "Counter set alarm failed\n");
k_busy_wait(1.5*counter_ticks_to_us(dev, ticks));
tmp_alarm_cnt = alarm_cnt; /* to avoid passing volatile to the macro */
zassert_equal(1, tmp_alarm_cnt, "Expecting alarm callback\n");
k_busy_wait(1.5*counter_ticks_to_us(dev, ticks));
tmp_alarm_cnt = alarm_cnt; /* to avoid passing volatile to the macro */
zassert_equal(1, tmp_alarm_cnt, "Expecting alarm callback\n");
err = counter_cancel_channel_alarm(dev, 0);
zassert_equal(0, err, "Counter disabling alarm failed\n");
err = counter_set_top_value(dev, counter_get_max_top_value(dev),
NULL, NULL);
zassert_equal(0, err, "Setting top value to default failed\n");
err = counter_stop(dev);
zassert_equal(0, err, "Counter failed to stop\n");
}
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);
}
void test_single_shot_alarm_notop(void)
{
test_all_instances(test_single_shot_alarm_notop_instance);
}
void test_single_shot_alarm_top(void)
{
#if defined(CONFIG_COUNTER_MCUX_RTC) || defined(CONFIG_COUNTER_RTC_STM32)\
|| defined(DT_RTC_0_NAME)
ztest_test_skip();
#else
test_all_instances(test_single_shot_alarm_top_instance);
#endif
}
static void *clbk_data[10];
static void alarm_handler2(struct device *dev, u8_t chan_id, u32_t counter,
void *user_data)
{
clbk_data[alarm_cnt] = user_data;
alarm_cnt++;
}
/*
* 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 tmp_alarm_cnt;
dev = device_get_binding(dev_name);
ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
alarm_cfg.absolute = true;
alarm_cfg.ticks = counter_us_to_ticks(dev, 2000);
alarm_cfg.callback = alarm_handler2;
alarm_cfg.user_data = &alarm_cfg;
alarm_cfg2.absolute = false;
alarm_cfg2.ticks = counter_us_to_ticks(dev, 2000);
alarm_cfg2.callback = alarm_handler2;
alarm_cfg2.user_data = &alarm_cfg2;
alarm_cnt = 0U;
if (counter_get_num_of_channels(dev) < 2U) {
/* Counter does not support two alarms */
return;
}
err = counter_start(dev);
zassert_equal(0, err, "Counter failed to start\n");
err = counter_set_top_value(dev, ticks, top_handler, exp_user_data);
zassert_equal(0, err, "Counter failed to set top value\n");
k_busy_wait(1.4*counter_ticks_to_us(dev, alarm_cfg.ticks));
err = counter_set_channel_alarm(dev, 0, &alarm_cfg);
zassert_equal(0, err, "Counter set alarm failed\n");
err = counter_set_channel_alarm(dev, 1, &alarm_cfg2);
zassert_equal(0, err, "Counter set alarm failed\n");
k_busy_wait(1.2*counter_ticks_to_us(dev, ticks * 2U));
tmp_alarm_cnt = alarm_cnt; /* to avoid passing volatile to the macro */
zassert_equal(2, tmp_alarm_cnt, "Counter set alarm failed\n");
zassert_equal(&alarm_cfg2, clbk_data[0],
"Expected different order or callbacks\n");
zassert_equal(&alarm_cfg, clbk_data[1],
"Expected different order or callbacks\n");
/* tear down */
err = counter_cancel_channel_alarm(dev, 0);
zassert_equal(0, err, "Counter disabling alarm failed\n");
err = counter_cancel_channel_alarm(dev, 1);
zassert_equal(0, err, "Counter disabling alarm failed\n");
}
void test_multiple_alarms(void)
{
test_all_instances(test_multiple_alarms_instance);
}
void test_all_channels_instance(const char *str)
{
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 tmp_alarm_cnt;
dev = device_get_binding(str);
ticks = counter_us_to_ticks(dev, COUNTER_PERIOD_US);
alarm_cfgs.absolute = false;
alarm_cfgs.ticks = ticks;
alarm_cfgs.callback = alarm_handler2;
alarm_cfgs.user_data = NULL;
err = counter_start(dev);
zassert_equal(0, err, "Counter failed to start");
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,
"Unexpected error on setting alarm");
}
}
k_busy_wait(1.5*counter_ticks_to_us(dev, ticks));
tmp_alarm_cnt = alarm_cnt; /* to avoid passing volatile to the macro */
zassert_equal(nchan, tmp_alarm_cnt, "Expecting alarm callback\n");
for (int i = 0; i < nchan; i++) {
err = counter_cancel_channel_alarm(dev, i);
zassert_equal(0, err, "Unexpected error on disabling alarm");
}
for (int i = nchan; i < n; i++) {
err = counter_cancel_channel_alarm(dev, i);
zassert_equal(-ENOTSUP, err,
"Unexpected error on disabling alarm\n");
}
}
void test_all_channels(void)
{
test_all_instances(test_all_channels_instance);
}
void test_main(void)
{
ztest_test_suite(test_counter,
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_run_test_suite(test_counter);
}
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