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esp32: Add UTs to check the System time does not jump back

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KonstantinKondrashov 2019-09-05 20:15:37 +08:00 committed by bot
parent a179125fd3
commit f52b877199
1 changed files with 130 additions and 0 deletions
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130
components/esp32/test/test_esp_timer.c
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@ -649,3 +649,133 @@ TEST_CASE("after esp_timer_impl_advance, timers run when expected", "[esp_timer]
ref_clock_deinit();
}
#if !defined(CONFIG_FREERTOS_UNICORE) && defined(CONFIG_ESP32_DPORT_WORKAROUND)
#include "soc/dport_reg.h"
#include "soc/frc_timer_reg.h"
#include "esp_ipc.h"
static bool task_stop;
static bool time_jumped;
static void task_check_time(void *p)
{
int64_t t1 = 0, t2 = 0;
while (task_stop == false) {
t1 = t2;
t2 = esp_timer_get_time();
if (t1 > t2) {
int64_t shift_us = t2 - t1;
time_jumped = true;
printf("System clock jumps back: %lli us\n", shift_us);
}
vTaskDelay(1);
}
vTaskDelete(NULL);
}
static void timer_callback(void* arg)
{
}
static void dport_task(void *pvParameters)
{
while (task_stop == false) {
DPORT_STALL_OTHER_CPU_START();
ets_delay_us(3);
DPORT_STALL_OTHER_CPU_END();
}
vTaskDelete(NULL);
}
TEST_CASE("esp_timer_impl_set_alarm does not set an alarm below the current time", "[esp_timer][timeout=62]")
{
const int max_timers = 2;
time_jumped = false;
task_stop = false;
xTaskCreatePinnedToCore(task_check_time, "task_check_time", 4096, NULL, 5, NULL, 0);
// dport_task is used here to interrupt the esp_timer_impl_set_alarm function.
// To interrupt it we can use an interrupt with 4 or 5 levels which will run on CPU0.
// Instead, an interrupt we use the dport workaround which has 4 interrupt level for stall CPU0.
xTaskCreatePinnedToCore(dport_task, "dport_task", 4096, NULL, 5, NULL, 1);
const esp_timer_create_args_t periodic_timer_args = {
.callback = &timer_callback,
};
esp_timer_handle_t periodic_timer[max_timers];
printf("timers created\n");
esp_timer_create(&periodic_timer_args, &periodic_timer[0]);
esp_timer_start_periodic(periodic_timer[0], 9000);
esp_timer_create(&periodic_timer_args, &periodic_timer[1]);
esp_timer_start_periodic(periodic_timer[1], 9000);
vTaskDelay(60 * 1000 / portTICK_PERIOD_MS);
task_stop = true;
esp_timer_stop(periodic_timer[0]);
esp_timer_delete(periodic_timer[0]);
esp_timer_stop(periodic_timer[1]);
esp_timer_delete(periodic_timer[1]);
printf("timers deleted\n");
vTaskDelay(1000 / portTICK_PERIOD_MS);
TEST_ASSERT(time_jumped == false);
}
static esp_timer_handle_t oneshot_timer;
static void oneshot_timer_callback(void* arg)
{
esp_timer_start_once(oneshot_timer, 5000);
}
static const esp_timer_create_args_t oneshot_timer_args = {
.callback = &oneshot_timer_callback,
};
TEST_CASE("esp_timer_impl_set_alarm and using start_once do not lead that the System time jumps back", "[esp_timer][timeout=62]")
{
time_jumped = false;
task_stop = false;
xTaskCreatePinnedToCore(task_check_time, "task_check_time", 4096, NULL, 5, NULL, 0);
// dport_task is used here to interrupt the esp_timer_impl_set_alarm function.
// To interrupt it we can use an interrupt with 4 or 5 levels which will run on CPU0.
// Instead, an interrupt we use the dport workaround which has 4 interrupt level for stall CPU0.
xTaskCreatePinnedToCore(dport_task, "dport_task", 4096, NULL, 5, NULL, 1);
const esp_timer_create_args_t periodic_timer_args = {
.callback = &timer_callback,
};
esp_timer_handle_t periodic_timer;
esp_timer_create(&periodic_timer_args, &periodic_timer);
esp_timer_start_periodic(periodic_timer, 5000);
esp_timer_create(&oneshot_timer_args, &oneshot_timer);
esp_timer_start_once(oneshot_timer, 9990);
printf("timers created\n");
vTaskDelay(60 * 1000 / portTICK_PERIOD_MS);
task_stop = true;
esp_timer_stop(oneshot_timer);
esp_timer_delete(oneshot_timer);
printf("timers deleted\n");
vTaskDelay(1000 / portTICK_PERIOD_MS);
TEST_ASSERT(time_jumped == false);
}
#endif // !defined(CONFIG_FREERTOS_UNICORE) && defined(CONFIG_ESP32_DPORT_WORKAROUND)