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lwip/api/tcpip.c: tcpip_init -> tcpip_thread
lwip/core/netif.c: netif_add
lwip/arch/lpc17_emac.c: lpc_enetif_init -> packet_rx, packet_tx
=== tcpip_thread ===
while (true):
sys_timeouts_mbox_fetch(&mbox, (void **)&msg)
...
Feeding the tcpip_thread mbox:
tcpip_input
tcpip_callback_with_block
tcpip_timeout
tcpip_untimeout
tcpip_apimsg
tcpip_netifapi
=== packet_rx ===
while (true):
sys_arch_sem_wait(&lpc_enetif->RxSem, osWaitForever)
...
Feeding the RX semaphore:
ENET_IRQHandler
=== packet_tx ===
while (true):
sys_arch_sem_wait(&lpc_enetif->TxCleanSem, osWaitForever)
...
Feeding the TX semaphore:
ENET_IRQHandler
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