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esp_event: test posting from interrupt handler

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This commit is contained in:
Renz Christian Bagaporo 2019-03-12 21:53:39 +08:00
parent 2b914f2d22
commit 659f1a1253
1 changed files with 84 additions and 0 deletions
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84
components/esp_event/test/test_event.c
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@ -7,7 +7,11 @@
#include "freertos/FreeRTOS.h"
#include "esp_event_loop.h"
#include "freertos/task.h"
#include "freertos/portmacro.h"
#include "esp_log.h"
#include "soc/timer_group_struct.h"
#include "driver/periph_ctrl.h"
#include "driver/timer.h"
#include "esp_event.h"
#include "esp_event_private.h"
@ -268,6 +272,48 @@ static void test_teardown()
TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_delete_default());
}
#define TIMER_DIVIDER 16 // Hardware timer clock divider
#define TIMER_SCALE (TIMER_BASE_CLK / TIMER_DIVIDER) // convert counter value to seconds
#define TIMER_INTERVAL0_SEC (2.0) // sample test interval for the first timer
#if CONFIG_POST_EVENTS_FROM_ISR
static void test_handler_post_from_isr(void* event_handler_arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
{
SemaphoreHandle_t *sem = (SemaphoreHandle_t*) event_handler_arg;
// Event data is just the address value (maybe have been truncated due to casting).
int *data = (int*) event_data;
TEST_ASSERT_EQUAL(*data, (int) (*sem));
xSemaphoreGive(*sem);
}
#endif
#if CONFIG_POST_EVENTS_FROM_ISR
void IRAM_ATTR test_event_on_timer_alarm(void* para)
{
/* Retrieve the interrupt status and the counter value
from the timer that reported the interrupt */
TIMERG0.hw_timer[TIMER_0].update = 1;
uint64_t timer_counter_value =
((uint64_t) TIMERG0.hw_timer[TIMER_0].cnt_high) << 32
| TIMERG0.hw_timer[TIMER_0].cnt_low;
TIMERG0.int_clr_timers.t0 = 1;
timer_counter_value += (uint64_t) (TIMER_INTERVAL0_SEC * TIMER_SCALE);
TIMERG0.hw_timer[TIMER_0].alarm_high = (uint32_t) (timer_counter_value >> 32);
TIMERG0.hw_timer[TIMER_0].alarm_low = (uint32_t) timer_counter_value;
int data = (int) para;
// Posting events with data more than 4 bytes should fail.
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, esp_event_isr_post(s_test_base1, TEST_EVENT_BASE1_EV1, &data, 5, NULL));
// This should succeedd, as data is int-sized. The handler for the event checks that the passed event data
// is correct.
BaseType_t task_unblocked;
TEST_ASSERT_EQUAL(ESP_OK, esp_event_isr_post(s_test_base1, TEST_EVENT_BASE1_EV1, &data, sizeof(data), &task_unblocked));
if (task_unblocked == pdTRUE) {
portYIELD_FROM_ISR();
}
}
#endif //CONFIG_POST_EVENTS_FROM_ISR
TEST_CASE("can create and delete event loops", "[event]")
{
@ -1102,6 +1148,44 @@ TEST_CASE("events are dispatched in the order they are registered", "[event]")
TEST_TEARDOWN();
}
#if CONFIG_POST_EVENTS_FROM_ISR
TEST_CASE("can post events from interrupt handler", "[event]")
{
SemaphoreHandle_t sem = xSemaphoreCreateBinary();
/* Select and initialize basic parameters of the timer */
timer_config_t config;
config.divider = TIMER_DIVIDER;
config.counter_dir = TIMER_COUNT_UP;
config.counter_en = TIMER_PAUSE;
config.alarm_en = TIMER_ALARM_EN;
config.intr_type = TIMER_INTR_LEVEL;
config.auto_reload = false;
timer_init(TIMER_GROUP_0, TIMER_0, &config);
/* Timer's counter will initially start from value below.
Also, if auto_reload is set, this value will be automatically reload on alarm */
timer_set_counter_value(TIMER_GROUP_0, TIMER_0, 0x00000000ULL);
/* Configure the alarm value and the interrupt on alarm. */
timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, TIMER_INTERVAL0_SEC * TIMER_SCALE);
timer_enable_intr(TIMER_GROUP_0, TIMER_0);
timer_isr_register(TIMER_GROUP_0, TIMER_0, test_event_on_timer_alarm,
(void *) sem, ESP_INTR_FLAG_IRAM, NULL);
timer_start(TIMER_GROUP_0, TIMER_0);
TEST_SETUP();
TEST_ASSERT_EQUAL(ESP_OK, esp_event_handler_register(s_test_base1, TEST_EVENT_BASE1_EV1,
test_handler_post_from_isr, &sem));
xSemaphoreTake(sem, portMAX_DELAY);
TEST_TEARDOWN();
}
#endif
#ifdef CONFIG_EVENT_LOOP_PROFILING
TEST_CASE("can dump event loop profile", "[event]")
{