WifiEspNowBroadcast.cpp File Reference

#include "WifiEspNowBroadcast.h"
#include <WiFi.h>
#include <esp_wifi.h>

Macros
#define	LOG(...)
#define	FOREACH_AP(f)
#define	DELETE_APS

Variables
WifiEspNowBroadcastClass	WifiEspNowBroadcast
	ESP-NOW pseudo broadcast. More...

Macro Definition Documentation

DELETE_APS

#define DELETE_APS

Value:

  do {                                                                                             \
    bool hasOtherSsid = false;                                                                     \
    int nNetworks = WiFi.scanComplete();                                                           \
    for (uint8_t i = 0; static_cast<int>(i) < nNetworks; ++i) {                                    \
      if (WiFi.SSID(i) == m_ssid) {                                                                \
        continue;                                                                                  \
      }                                                                                            \
      hasOtherSsid = true;                                                                         \
      break;                                                                                       \
    }                                                                                              \
    if (!hasOtherSsid) {                                                                           \
      WiFi.scanDelete();                                                                           \
    }                                                                                              \
  } while (false)

FOREACH_AP

#define FOREACH_AP

(

f

)

Value:

  do {                                                                                             \
    int nNetworks = WiFi.scanComplete();                                                           \
    for (uint8_t i = 0; static_cast<int>(i) < nNetworks; ++i) {                                    \
      if (WiFi.SSID(i) != m_ssid) {                                                                \
        continue;                                                                                  \
      }                                                                                            \
      (f)(WiFi.BSSID(i), static_cast<uint8_t>(WiFi.channel(i)));                                   \
    }                                                                                              \
  } while (false)

LOG

#define LOG

(

...

)

Value:

  do {                                                                                             \
  } while (false)

Variable Documentation

WifiEspNowBroadcast

WifiEspNowBroadcastClass WifiEspNowBroadcast

ESP-NOW pseudo broadcast.

In pseudo broadcast mode, every node announces itself as a group member by advertising a certain AP SSID. A node periodically scans other BSSIDs announcing the same SSID, and adds them as ESP-NOW peers. Messages are sent to all known peers.

Pseudo broadcast does not depend on ESP-NOW API to support broadcast.