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Original question:

RM57L843: TCP/IP client code does not work

RM57L843: Question for LwIP1.4.1 sample code

Koichiro Tashiro
Mastermind 22945 points

Part Number: RM57L843

Hi,

My customer is referring LwIP_Wiki which was introduced in the original post (see above).
Inside the Wiki, there are simple main loop for non-OS (single threaded) system.
https://lwip.fandom.com/wiki/LwIP_with_or_without_an_operating_system

while(1) {  
    /* poll the driver, get any outstanding frames, alloc memory for them, and
     * call netif->input, which is actually ip_input().
     * This may be called differently, depending on the underlying driver.
     * Eg. on STM it's ethernetif_input(&gnetif) */
    poll_driver(netif);
    /* Handle all system timeouts for all core protocols */
    sys_check_timeouts();      
}


Customer is asking what is the "poll_driver(netif);" equivalent function for RM57L.
The comment in above code mentions "This may be called differently, depending on the underlying driver. EG. on STM it's ethernetif_input(&gnetif)" .
Customer found there is function named "ethernetif_input()" in LwIP example.
\hercules_examples-master\Application\LwIP\v00.04.00\lwip-1.4.1\src\netif\ethernetif.c

Is this the right one?

Thanks and regards,
Koichiro Tashiro