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kw20z as 6lowpan edge router bridged to linux on app mcu

Question asked by shawnreuland on Dec 10, 2015
Latest reply on Dec 14, 2015 by Earl Orlando Ramirez Sanchez

Hello, has anyone run the kinetis W SoC's(kw40z,kw20z) with 6lowpan stack as a network processor talking SPI/UART to separate application mcu(such as i.MX or LS1021A) which is running Linux? I want to run the kw20z as edge router and bridge the WSN traffic into linux ethernet(which has a COAP service running). What protocol does the 6lowpan stack on 802.15.4 SoC establish/support over SPI or UART and could it support a SLIP protocol to accomplish that bridging between the two chips, or is the right approach to just install COAP server on the 802.15.4 SoC which would have IP/socket because of the 6lowpan stack and then do my own protocol over SPI to talk with app mcu as needed?