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prepare lwip2 (#3129)

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* minimum changes for libraries to compile with lwip2

* add WiFiClient::availableForWrite() (similar to Serial::) which indicates how much data can be sent without buffering
This commit is contained in:
david gauchard
2017-04-25 15:55:01 +02:00
committed by Ivan Grokhotkov
parent a9224266f3
commit a41f55c469
6 changed files with 51 additions and 4 deletions
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12
libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp
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@ -38,6 +38,7 @@ extern "C" {
#include "lwip/opt.h"
#include "lwip/err.h"
#include "lwip/dns.h"
#include "lwip/init.h" // LWIP_VERSION_
}
#include "WiFiClient.h"
@ -419,7 +420,11 @@ bool ESP8266WiFiGenericClass::forceSleepWake() {
// ------------------------------------------------ Generic Network function ---------------------------------------------
// -----------------------------------------------------------------------------------------------------------------------
#if LWIP_VERSION_MAJOR == 1
void wifi_dns_found_callback(const char *name, ip_addr_t *ipaddr, void *callback_arg);
#else
void wifi_dns_found_callback(const char *name, const ip_addr_t *ipaddr, void *callback_arg);
#endif
/**
* Resolve the given hostname to an IP address.
@ -465,7 +470,12 @@ int ESP8266WiFiGenericClass::hostByName(const char* aHostname, IPAddress& aResul
* @param ipaddr
* @param callback_arg
*/
void wifi_dns_found_callback(const char *name, ip_addr_t *ipaddr, void *callback_arg) {
#if LWIP_VERSION_MAJOR == 1
void wifi_dns_found_callback(const char *name, ip_addr_t *ipaddr, void *callback_arg)
#else
void wifi_dns_found_callback(const char *name, const ip_addr_t *ipaddr, void *callback_arg)
#endif
{
(void) name;
if(ipaddr) {
(*reinterpret_cast<IPAddress*>(callback_arg)) = ipaddr->addr;