ASH_ATTR any more. The interrupt functions can also be stored in CACHE. If users want to store some frequently called functions in RAM, please add IRAM_ATTR before functions' name.</dd>
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3. Network programming use socket, please do not bind to the same port. </dd>
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(1). If users want to create 3 or more than 3 TCP connections, please add "TCP_WND = 2 x TCP_MSS;" in "user_init".</dd>
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4. Priority of the RTOS SDK is 15. xTaskCreate is an interface of freeRTOS. For details of the freeRTOS and APIs 