AT90CAN128 (CAN BUS) I2C with ATMEGA32-web server for monitor temp and current

Tore N. OP #3662900
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Temperature and current from cell should be monitored through CAN BUS by 
AT90CAN128.
AT90CAN128 is connected by I2C to ATMEGA32. ATMEGA32 has the ethernet 
shield of EN20J60C.
I need to implement a simple web server on ATMEGA32 to display these two 
(2) measurement data on the web browser.
I can already send the CAN messages from my computer.
Could you please have a look on my codes and see how I can implement the 
common gateway interface (cgi) on ATMEGA32.
Currently I can send CAN messages to ATMEGA32. ENC20j60 also works fine. 
I just need to show this coming messages from AT90CAN128 on the web 
browser by

making a web server. (CAN messages can be measurement data in the 
future)
I am still thinking how I can combine these functions only on 
AT90CAN128. But at this stage it is not that important. I just want to 
implement this web

server on ATMEGA32. Codes are available here.
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