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Default credentials and Hostname #154

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Default credentials and Hostname #154

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87ed37c
Wifi custom hostname at runtime
kubovy Jan 7, 2023
15ec78b
Default STA SSID and password
kubovy Feb 5, 2023
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12 changes: 12 additions & 0 deletions Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -78,4 +78,16 @@ config DEFAULT_AP_BEACON_INTERVAL
help
100ms is the recommended default.

config DEFAULT_STA_SSID
string "Station SSID"
default ""
help
SSID (network name) the esp32 will connect to by default (leave empty for AP mode first).

config DEFAULT_STA_PASSWORD
string "Station Password"
default ""
help
Password used for the WiFi connection (leave empty for AP mode first).

endmenu
17 changes: 16 additions & 1 deletion src/wifi_manager.c
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Expand Up @@ -97,6 +97,8 @@ static esp_netif_t* esp_netif_sta = NULL;
/* @brief netif object for the ACCESS POINT */
static esp_netif_t* esp_netif_ap = NULL;

static char* wifi_manager_hostname = NULL;

/**
* The actual WiFi settings in use
*/
Expand Down Expand Up @@ -141,7 +143,9 @@ const int WIFI_MANAGER_SCAN_BIT = BIT7;
/* @brief When set, means user requested for a disconnect */
const int WIFI_MANAGER_REQUEST_DISCONNECT_BIT = BIT8;


void wifi_manager_set_hostname(char* hostname) {
wifi_manager_hostname = hostname;
}

void wifi_manager_timer_retry_cb( TimerHandle_t xTimer ){

Expand Down Expand Up @@ -319,6 +323,16 @@ bool wifi_manager_fetch_wifi_sta_config(){

esp_err = nvs_open(wifi_manager_nvs_namespace, NVS_READONLY, &handle);

if (esp_err == ESP_ERR_NVS_NOT_FOUND && CONFIG_DEFAULT_STA_SSID[0] != '\0' && CONFIG_DEFAULT_STA_PASSWORD[0] != '\0') { // Initial use
ESP_LOGE(TAG, "Using defaults");
if(wifi_manager_config_sta == NULL) wifi_manager_config_sta = (wifi_config_t*)malloc(sizeof(wifi_config_t));
memset(wifi_manager_config_sta, 0x00, sizeof(wifi_config_t));
strncpy((char*) wifi_manager_config_sta->sta.ssid, CONFIG_DEFAULT_STA_SSID, 32);
strncpy((char*) wifi_manager_config_sta->sta.password, CONFIG_DEFAULT_STA_PASSWORD, 64);
nvs_sync_unlock();
return true;
}

if(esp_err != ESP_OK){
nvs_sync_unlock();
return false;
Expand Down Expand Up @@ -960,6 +974,7 @@ void wifi_manager( void * pvParameters ){

/* by default the mode is STA because wifi_manager will not start the access point unless it has to! */
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
if (wifi_manager_hostname != NULL) ESP_ERROR_CHECK(esp_netif_set_hostname(esp_netif_sta, wifi_manager_hostname));
ESP_ERROR_CHECK(esp_wifi_start());

/* start http server */
Expand Down
2 changes: 2 additions & 0 deletions src/wifi_manager.h
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Expand Up @@ -278,6 +278,8 @@ esp_netif_t* wifi_manager_get_esp_netif_sta();
esp_netif_t* wifi_manager_get_esp_netif_ap();


void wifi_manager_set_hostname(char* hostname);

/**
* Allocate heap memory for the wifi manager and start the wifi_manager RTOS task
*/
Expand Down