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feature: add wake up time cost info to deep_sleep_wake_stub example

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This commit is contained in:
wuzhenghui 2023-03-09 16:34:01 +08:00
parent 38b036e9ae
commit 8820efe2e1
2 changed files with 15 additions and 2 deletions
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8
components/esp_hw_support/sleep_modes.c
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@ -1639,7 +1639,13 @@ static uint32_t get_power_down_flags(void)
return pd_flags;
}
void esp_deep_sleep_disable_rom_logging(void)
#if CONFIG_IDF_TARGET_ESP32
/* APP core of esp32 can't access to RTC FAST MEMORY, do not define it with RTC_IRAM_ATTR */
void
#else
void RTC_IRAM_ATTR
#endif
esp_deep_sleep_disable_rom_logging(void)
{
rtc_suppress_rom_log();
}

9
examples/system/deep_sleep_wake_stub/main/rtc_wake_stub_example.c
View File

@ -6,6 +6,8 @@
#include <inttypes.h>
#include "esp_sleep.h"
#include "esp_cpu.h"
#include "esp_rom_sys.h"
#include "esp_wake_stub.h"
#include "sdkconfig.h"
@ -33,15 +35,20 @@ static const uint32_t s_max_count = 20;
// wakeup_cause stored in RTC memory
static uint32_t wakeup_cause;
// wakeup_time from CPU start to wake stub
static uint32_t wakeup_time;
// wake up stub function stored in RTC memory
void wake_stub_example(void)
{
// Get wakeup time.
wakeup_time = esp_cpu_get_cycle_count() / esp_rom_get_cpu_ticks_per_us();
// Get wakeup cause.
wakeup_cause = esp_wake_stub_get_wakeup_cause();
// Increment the counter.
s_count++;
// Print the counter value and wakeup cause.
ESP_RTC_LOGI("wake stub: wakeup count is %d, wakeup cause is %d", s_count, wakeup_cause);
ESP_RTC_LOGI("wake stub: wakeup count is %d, wakeup cause is %d, wakeup cost %ld us", s_count, wakeup_cause, wakeup_time);
if (s_count >= s_max_count) {
// Reset s_count