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27 lines
1.1 KiB
ReStructuredText
Executable File
27 lines
1.1 KiB
ReStructuredText
Executable File
*************
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General Notes
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*************
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Adding this content here is to improve the user's development efficiency and avoid stepping into known problems.
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1. Bootloader
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^^^^^^^^^^^^^
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V3.1 updated the bootloader to initialize SPI flash I/O mode and clock. So if you are using the V3.0 bootloader,
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and now upgrade to the new SDK, please disable the following configuration in the menuconfig:
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::
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"Bootloader config --->
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[ ] Bootloader init SPI flash"
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2. OTA
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^^^^^^
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We split the native OTA example into several sub-examples to let custemors to choose which application matches the scenario they really want. `examples/system/ota/native_ota <https://github.com/espressif/ESP8266_RTOS_SDK/tree/master/examples/system/ota/native_ota/>`_.
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3. 802.11n only AP
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^^^^^^^^^^^^^^^^^^
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For better compatibility, the SDK is in bg mode by default. And application can set it to be bgn mode for reconnecting when it fails to connect some 11n only APs, refer to the `examples/wifi/simple_wifi <https://github.com/espressif/ESP8266_RTOS_SDK/tree/master/examples/wifi/simple_wifi/>`_.
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