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Merge branch 'docs/add_sniffer_use_limit_v3.1' into 'release/v3.1'

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Add sniffer or promiscuous mode use limit （backport v3.1）

See merge request sdk/ESP8266_RTOS_SDK!754
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Dong Heng
2019-01-30 11:28:40 +08:00
parent d00fb295c0 e1c73649c5
commit 6fe1882be5
1 changed files with 6 additions and 0 deletions
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6
docs/en/api-reference/wifi/esp_wifi.rst
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@ -14,6 +14,12 @@ The WiFi libraries provide support for configuring and monitoring the ESP8266 Wi
- Scanning for access points (active & passive scanning).
- Promiscuous mode monitoring of IEEE802.11 WiFi packets.
Important
^^^^^^^^^
Since the ESP8266 RTOS SDK V3.0, we moved some functions from IRAM to flash, including `malloc` and `free` fucntions, to save more memory.
In this case, please do not read/write/erase flash during sniffer or promiscuous mode. You need to disable the sniffer or promiscuous mode at first, then read/write/erase flash.
Application Examples
--------------------