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esp32: Fix not the right time spent in a deep sleep

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Before entering the deep sleep, the RTC and FRC counters are synchronized. Updating the boot_time.
Added a unit test for this case.
Fixed warnings for MULTIPLE_STAGES

Closes https://github.com/espressif/esp-idf/issues/1840
This commit is contained in:
Konstantin Kondrashov
2018-06-04 12:39:18 +05:00
parent d441dd32ea
commit 7e2a3da643
6 changed files with 75 additions and 3 deletions
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34
components/esp32/test/test_sleep.c
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@@ -14,6 +14,8 @@
#include "soc/rtc.h" // for wakeup trigger defines
#include "soc/rtc_cntl_reg.h" // for read rtc registers directly (cause)
#include "soc/soc.h" // for direct register read macros
#include "rom/rtc.h"
#include "esp_newlib.h"
#define ESP_EXT0_WAKEUP_LEVEL_LOW 0
#define ESP_EXT0_WAKEUP_LEVEL_HIGH 1
@@ -338,3 +340,35 @@ TEST_CASE("disable source trigger behavior", "[deepsleep]")
TEST_ASSERT(err_code == ESP_ERR_INVALID_STATE);
}
static RTC_DATA_ATTR struct timeval start;
static void trigger_deepsleep(void)
{
printf("Trigger deep sleep. Waiting 30 sec ...\n");
// Simulate the dispersion of the calibration coefficients at start-up.
// Corrupt the calibration factor.
esp_clk_slowclk_cal_set(esp_clk_slowclk_cal_get() - 1000000);
esp_set_time_from_rtc();
// Delay for time error accumulation.
vTaskDelay(30000/portTICK_RATE_MS);
// Save start time. Deep sleep.
gettimeofday(&start, NULL);
esp_sleep_enable_timer_wakeup(1000);
esp_deep_sleep_start();
}
static void check_time_deepsleep(void)
{
struct timeval stop;
RESET_REASON reason = rtc_get_reset_reason(0);
TEST_ASSERT(reason == DEEPSLEEP_RESET);
gettimeofday(&stop, NULL);
// Time dt_ms must in any case be positive.
int dt_ms = (stop.tv_sec - start.tv_sec) * 1000 + (stop.tv_usec - start.tv_usec) / 1000;
printf("delta time = %d \n", dt_ms);
TEST_ASSERT_MESSAGE(dt_ms > 0, "Time in deep sleep is negative");
}
TEST_CASE_MULTIPLE_STAGES("check a time after wakeup from deep sleep", "[deepsleep][reset=DEEPSLEEP_RESET]", trigger_deepsleep, check_time_deepsleep);