LwIP
pbuf_type::PBUF_ROM is only used within LwIP.
 
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CodeScopeSTM32 Libraries and SamplesLwIPpbuf_type::PBUF_ROM

pbuf_type::PBUF_ROM

pbuf data is stored in ROM, i.e. struct pbuf and its payload are located in totally different memory areas. Since it points to ROM, payload does not have to be copied when queued for transmission.

Syntax

PBUF_ROM = PBUF_TYPE_ALLOC_SRC_MASK_STD_MEMP_PBUF;

References

LocationReferrerText
pbuf.h:156
PBUF_ROM = PBUF_TYPE_ALLOC_SRC_MASK_STD_MEMP_PBUF,
pbuf.c:232pbuf_alloc()
case PBUF_ROM:
pbuf.c:330pbuf_alloc_reference()
LWIP_ASSERT("invalid pbuf_type", (type == PBUF_REF) || (type == PBUF_ROM));
tcp_out.c:564tcp_write()
if ((concat_p = pbuf_alloc(PBUF_RAW, seglen, PBUF_ROM)) == NULL) {
tcp_out.c:627tcp_write()
if ((p2 = pbuf_alloc(PBUF_TRANSPORT, seglen, PBUF_ROM)) == NULL) {

Data Use

Functions using pbuf_type::PBUF_ROM
pbuf_type::PBUF_ROM
all items filtered out