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TWDT: refactor the TWDT to be driver agnostic

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This refactoring brings a private API for the TWDT implementation, which
can now use a hardware timer (Timer Group) or a software timer (esp_timer)
This commit is contained in:
Omar Chebib
2022-08-12 18:27:11 +08:00
parent b675bb2a4d
commit 1840c48538
12 changed files with 721 additions and 227 deletions
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43
components/esp_timer/test/test_esp_timer.c
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@@ -866,6 +866,49 @@ TEST_CASE("Test a latency between a call of callback and real event", "[esp_time
TEST_ESP_OK(esp_timer_delete(periodic_timer));
}
static void test_periodic_timer_feed(void* timer1_fed)
{
*((int*) timer1_fed) = 1;
}
/**
* Feed function is not part of the esp_timer header file: it's a public in the sense that it is not static,
* but it is only meant to be used in IDF components.
*/
esp_err_t esp_timer_feed(esp_timer_handle_t timer);
TEST_CASE("periodic esp_timer can be fed", "[esp_timer]")
{
const int delay_ms = 100;
int timer_fed = 0;
esp_timer_handle_t timer1;
esp_timer_create_args_t create_args = {
.callback = &test_periodic_timer_feed,
.arg = &timer_fed,
.name = "timer1",
};
TEST_ESP_OK(esp_timer_create(&create_args, &timer1));
TEST_ESP_OK(esp_timer_start_periodic(timer1, delay_ms * 1000));
/* Sleep for delay_ms/2 and feed the timer */
vTaskDelay((delay_ms / 2) * portTICK_PERIOD_MS);
/* Check that the alarm was not triggered */
TEST_ASSERT_EQUAL(0, timer_fed);
/* Reaching this point, the timer will be triggered in delay_ms/2.
* Let's feed the timer now. */
TEST_ESP_OK(esp_timer_feed(timer1));
/* Sleep for a bit more than delay_ms/2 */
vTaskDelay(((delay_ms / 2) + 1) * portTICK_PERIOD_MS);
/* If the alarm was triggered, feed didn't work */
TEST_ASSERT_EQUAL(0, timer_fed);
/* Else, wait for another delay_ms/2, which should trigger the alarm */
vTaskDelay(((delay_ms / 2) + 1) * portTICK_PERIOD_MS);
TEST_ASSERT_EQUAL(1, timer_fed);
TEST_ESP_OK( esp_timer_stop(timer1) );
TEST_ESP_OK( esp_timer_delete(timer1) );
}
#ifdef CONFIG_ESP_TIMER_SUPPORTS_ISR_DISPATCH_METHOD
static int64_t old_time[2];