Can i use ESP8266 as a network adapter?

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I have a IoT solution based on Freescale/NXP FRDM-K64 board and the MQX operating system, communicating to the Internet with Ethernet. Now I would like to change from Ethernet to Wi-Fi.

The ESP8266 (or another module under $10) can provide a mechanism to operate as a network adapter, ignoring the internal IP stack and sending the "low-level packages" to the Ethernet/IP stack already implemented in the current solution (something like a "totally transparent and bidirecional bridge")?

Furthermore, this Wi-Fi module can listen multiple ports simultaneously, for example: 80/443 for HTTP/S and 161 for SNMP?

If this requires a custom ESP firmware or some MQX modifications, can you provide some guidelines?
Sep 12, 2018 in IoT (Internet of Things) by Upasana
• 8,410 points
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1 answer to this question.

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With the Espressif SDK 1.5.2 for the ESP8266 it's not possible to send "low-level packages". You can send UDP packets or can establish TCP connections. But unfortunately, there is no API for sending only packets.

answered Sep 12, 2018 by Annie97
• 2,190 points

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