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Added udp_sendto() docs. Fixed udp_send() docs.

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likewise 2004-03-11 20:01:26 +00:00
parent fda71b1230
commit 3d90c062fd
1 changed files with 20 additions and 2 deletions
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22
src/core/udp.c
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@ -332,6 +332,25 @@ udp_input(struct pbuf *p, struct netif *inp)
PERF_STOP("udp_input"); PERF_STOP("udp_input");
} }
/**
* Send data to a specified address using UDP.
*
* @param pcb UDP PCB used to send the data.
* @param pbuf chain of pbuf's to be sent.
* @param dst_ip Destination IP address.
* @param dst_port Destination UDP port.
*
* If the PCB already has a remote address association, it will
* be restored after the data is sent.
*
* @return lwIP error code.
* @return lwIP error code.
* - ERR_OK. Successful. No error occured.
* - ERR_MEM. Out of memory.
* - ERR_RTE. Could not find route to destination address.
*
* @see udp_disconnect()
*/
err_t err_t
udp_sendto(struct udp_pcb *pcb, struct pbuf *p, udp_sendto(struct udp_pcb *pcb, struct pbuf *p,
struct ip_addr *dst_ip, u16_t dst_port) struct ip_addr *dst_ip, u16_t dst_port)
@ -362,8 +381,7 @@ udp_sendto(struct udp_pcb *pcb, struct pbuf *p,
* @return lwIP error code. * @return lwIP error code.
* - ERR_OK. Successful. No error occured. * - ERR_OK. Successful. No error occured.
* - ERR_MEM. Out of memory. * - ERR_MEM. Out of memory.
* - ERR_USE. The specified ipaddr and port are already bound to by * - ERR_RTE. Could not find route to destination address.
* another UDP PCB.
* *
* @see udp_disconnect() * @see udp_disconnect()
*/ */