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feat(esp_wifi): add ESPNOW power-save example

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This commit is contained in:
liuning 2023-05-16 17:56:34 +08:00
parent c920123629
commit 332a4d3bef
2 changed files with 28 additions and 2 deletions
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25
examples/wifi/espnow/main/Kconfig.projbuild
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@ -58,4 +58,29 @@ menu "Example Configuration"
help
When enable long range, the PHY rate of ESP32 will be 512Kbps or 256Kbps
config ESPNOW_ENABLE_POWER_SAVE
bool "Enable ESPNOW Power Save"
default "n"
select ESP_WIFI_STA_DISCONNECTED_PM_ENABLE
depends on ESPNOW_WIFI_MODE_STATION
help
With ESPNOW power save enabled, chip would be able to wakeup and sleep periodically
Notice ESP_WIFI_STA_DISCONNECTED_PM_ENABLE is essential at Wi-Fi disconnected
config ESPNOW_WAKE_WINDOW
int "ESPNOW wake window, unit in millisecond"
range 0 65535
default 50
depends on ESPNOW_ENABLE_POWER_SAVE
help
ESPNOW wake window
config ESPNOW_WAKE_INTERVAL
int "ESPNOW wake interval, unit in millisecond"
range 1 65535
default 100
depends on ESPNOW_ENABLE_POWER_SAVE
help
ESPNOW wake interval
endmenu

5
examples/wifi/espnow/main/espnow_example_main.c
View File

@ -299,8 +299,9 @@ static esp_err_t example_espnow_init(void)
ESP_ERROR_CHECK( esp_now_init() );
ESP_ERROR_CHECK( esp_now_register_send_cb(example_espnow_send_cb) );
ESP_ERROR_CHECK( esp_now_register_recv_cb(example_espnow_recv_cb) );
#if CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE
ESP_ERROR_CHECK( esp_now_set_wake_window(65535) );
#if CONFIG_ESPNOW_ENABLE_POWER_SAVE
ESP_ERROR_CHECK( esp_now_set_wake_window(CONFIG_ESPNOW_WAKE_WINDOW) );
ESP_ERROR_CHECK( esp_wifi_connectionless_module_set_wake_interval(CONFIG_ESPNOW_WAKE_INTERVAL) );
#endif
/* Set primary master key. */
ESP_ERROR_CHECK( esp_now_set_pmk((uint8_t *)CONFIG_ESPNOW_PMK) );