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Use WIFI_FAST_SCAN if a specific channel was used #5975

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Merged
merged 1 commit into from
Dec 14, 2021
Merged

Use WIFI_FAST_SCAN if a specific channel was used #5975

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10 changes: 7 additions & 3 deletions libraries/WiFi/src/WiFiSTA.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -176,15 +176,19 @@ wl_status_t WiFiSTAClass::begin(const char* ssid, const char *passphrase, int32_
wifi_config_t conf;
memset(&conf, 0, sizeof(wifi_config_t));
_wifi_strncpy(reinterpret_cast<char*>(conf.sta.ssid), ssid, 32);
conf.sta.scan_method = WIFI_ALL_CHANNEL_SCAN; //force full scan to be able to choose the nearest / strongest AP

if(passphrase) {
_wifi_strncpy(reinterpret_cast<char*>(conf.sta.password), passphrase, 64);
}

wifi_config_t current_conf;
wifi_sta_config(&conf, ssid, passphrase, bssid, channel);
if(channel == 0) {
// If no specific channel specified, then do an slower WIFI_ALL_CHANNEL_SCAN
wifi_sta_config(&conf, ssid, passphrase, bssid, channel, WIFI_ALL_CHANNEL_SCAN);
}
else
wifi_sta_config(&conf, ssid, passphrase, bssid, channel, WIFI_FAST_SCAN);

wifi_config_t current_conf;
if(esp_wifi_get_config((wifi_interface_t)ESP_IF_WIFI_STA, &current_conf) != ESP_OK){
log_e("get current config failed!");
return WL_CONNECT_FAILED;
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