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esp-idf
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esp-idf
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examples
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wifi
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power_save
xiehang 1ef10dc284 esp_wifi: Modify ESP_IF_WIFI_STA to WIFI_IF_STA 5 éve
..
main 1ef10dc284 esp_wifi: Modify ESP_IF_WIFI_STA to WIFI_IF_STA 4 éve
CMakeLists.txt 5b2fa1a5ad build_app: make multi target support readable 5 éve
Makefile b0dd5d9157 example: adding wifi example wps and power save. 8 éve
README.md 526a3e49ed esp_wifi: When WiFi TSF is active, skip light sleep 5 éve
sdkconfig.defaults 12230b7292 examples/wifi/power_save: enable tickless idle 7 éve

README.md

Wifi Power Save Example

This example shows how to use power save mode of wifi.

Power save mode only works in station mode. If the modem sleep mode is enabled, station will switch between active and sleep state periodically after connecting to AP successfully. In sleep state, RF, PHY and BB are turned off in order to reduce power consumption. Station can keep connection with AP in modem sleep mode.

  • No power save: This is default mode. And the esp32 will work with full power.

  • Minimum modem sleep: In minimum modem sleep mode, station wakes up every DTIM to receive beacon. Broadcast data will not be lost because it is transmitted after DTIM. However, it can not save much more power if DTIM is short for DTIM is determined by AP.

  • Maximum modem sleep: In maximum modem sleep mode, station wakes up every listen interval to receive beacon. Broadcast data may be lost because station may be in sleep state at DTIM time. If listen interval is longer, more power is saved but broadcast data is more easy to lose.

  • others: not supported yet.