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Fixed the ability to change CHANNEL #7154

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Merged
merged 4 commits into from
Sep 14, 2022
Merged

Fixed the ability to change CHANNEL #7154

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b2ec27d
Removed option to change CHANNEL
PilnyTomas Aug 19, 2022
fe3ea44
Revert "Removed option to change CHANNEL"
PilnyTomas Aug 24, 2022
06a9ca9
Fixed the ability to change CHANNEL
PilnyTomas Aug 24, 2022
38931d2
WiFi scan only on selected channel
PilnyTomas Aug 26, 2022
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5 changes: 4 additions & 1 deletion libraries/ESP32/examples/ESPNow/Basic/Master/Master.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@

#include <esp_now.h>
#include <WiFi.h>
#include <esp_wifi.h> // only for esp_wifi_set_channel()

// Global copy of slave
esp_now_peer_info_t slave;
Expand All @@ -55,7 +56,7 @@ void InitESPNow() {

// Scan for slaves in AP mode
void ScanForSlave() {
int8_t scanResults = WiFi.scanNetworks();
int16_t scanResults = WiFi.scanNetworks(false, false, false, 300, CHANNEL); // Scan only on one channel
// reset on each scan
bool slaveFound = 0;
memset(&slave, 0, sizeof(slave));
Expand Down Expand Up @@ -222,9 +223,11 @@ void setup() {
Serial.begin(115200);
//Set device in STA mode to begin with
WiFi.mode(WIFI_STA);
esp_wifi_set_channel(CHANNEL, WIFI_SECOND_CHAN_NONE);
Serial.println("ESPNow/Basic/Master Example");
// This is the mac address of the Master in Station Mode
Serial.print("STA MAC: "); Serial.println(WiFi.macAddress());
Serial.print("STA CHANNEL "); Serial.println(WiFi.channel());
// Init ESPNow with a fallback logic
InitESPNow();
// Once ESPNow is successfully Init, we will register for Send CB to
Expand Down
1 change: 1 addition & 0 deletions libraries/ESP32/examples/ESPNow/Basic/Slave/Slave.ino
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Expand Up @@ -57,6 +57,7 @@ void configDeviceAP() {
Serial.println("AP Config failed.");
} else {
Serial.println("AP Config Success. Broadcasting with AP: " + String(SSID));
Serial.print("AP CHANNEL "); Serial.println(WiFi.channel());
}
}

Expand Down