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Implement remoteIP and remotePort in WiFiUDP

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This commit is contained in:
Ivan Grokhotkov
2015-02-17 01:38:35 +03:00
parent ea90d3ce92
commit 71c705a187
3 changed files with 31 additions and 13 deletions
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18
libraries/ESP8266WiFi/src/include/UdpContext.h
View File

@ -102,6 +102,24 @@ public:
return _rx_buf->len - _rx_buf_offset;
}
uint32_t getRemoteAddress()
{
if (!_rx_buf)
return 0;
struct ip_hdr* iphdr = (struct ip_hdr*) (((uint8_t*)_rx_buf->payload) - UDP_HLEN - IP_HLEN);
return iphdr->src.addr;
}
uint16_t getRemotePort()
{
if (!_rx_buf)
return 0;
struct udp_hdr* udphdr = (struct udp_hdr*) (((uint8_t*)_rx_buf->payload) - UDP_HLEN);
return ntohs(udphdr->src);
}
bool next()
{
if (!_rx_buf)

5
libraries/ESP8266WiFi/src/include/lwipopts.h
View File

@ -39,6 +39,9 @@
#define __LWIPOPTS_H__
#define EBUF_LWIP 1
#define LWIP_ESP 1
#define EP_OFFSET 36
/*
-----------------------------------------------
---------- Platform specific locking ----------
@ -242,7 +245,7 @@
* (requires the LWIP_TCP option)
*/
#ifndef MEMP_NUM_TCP_PCB
#define MEMP_NUM_TCP_PCB 5
#define MEMP_NUM_TCP_PCB (*((volatile uint32*)0x600011FC))
#endif
/**