localhorst/smart-oil-heating-control-system
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handle reconnect

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This commit is contained in:
Hendrik Schutter
2026-01-09 23:35:44 +01:00
parent cb69bea618
commit af307fd403
1 changed files with 45 additions and 5 deletions
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44
main/wifi.c
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@ -13,10 +13,15 @@
#define WIFI_CONNECTED_BIT BIT0 #define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1 #define WIFI_FAIL_BIT BIT1
#define MAX_RETRY_COUNT 10
#define RETRY_DELAY_MS 1000
static const char *TAG = "smart-oil-heater-control-system-wifi"; static const char *TAG = "smart-oil-heater-control-system-wifi";
static EventGroupHandle_t s_wifi_event_group; static EventGroupHandle_t s_wifi_event_group;
static int s_retry_num = 0;
static bool s_initial_connect = true;
static void event_handler(void *arg, esp_event_base_t event_base, static void event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data); int32_t event_id, void *event_data);
@ -84,7 +89,9 @@ void initWifi(void)
{ {
ESP_LOGE(TAG, "Unexpected event"); ESP_LOGE(TAG, "Unexpected event");
} }
vEventGroupDelete(s_wifi_event_group);
// Mark initial connection phase complete - do NOT delete the event group
s_initial_connect = false;
} }
static void event_handler(void *arg, esp_event_base_t event_base, static void event_handler(void *arg, esp_event_base_t event_base,
@ -96,13 +103,46 @@ static void event_handler(void *arg, esp_event_base_t event_base,
} }
else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED)
{ {
wifi_event_sta_disconnected_t *event = (wifi_event_sta_disconnected_t *)event_data;
ESP_LOGW(TAG, "Disconnected from AP (reason: %d)", event->reason);
if (s_initial_connect)
{
// During initial connection phase, use retry limit
if (s_retry_num < MAX_RETRY_COUNT)
{
vTaskDelay(pdMS_TO_TICKS(RETRY_DELAY_MS));
esp_wifi_connect(); esp_wifi_connect();
ESP_LOGI(TAG, "Retry to connect to the AP"); s_retry_num++;
ESP_LOGI(TAG, "Retry to connect to the AP (%d/%d)", s_retry_num, MAX_RETRY_COUNT);
}
else
{
xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
ESP_LOGE(TAG, "Failed to connect after %d attempts", MAX_RETRY_COUNT);
}
}
else
{
// After initial connection, always try to reconnect with delay
vTaskDelay(pdMS_TO_TICKS(RETRY_DELAY_MS));
esp_wifi_connect();
ESP_LOGI(TAG, "Attempting to reconnect to the AP...");
}
} }
else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP)
{ {
ip_event_got_ip_t *event = (ip_event_got_ip_t *)event_data; ip_event_got_ip_t *event = (ip_event_got_ip_t *)event_data;
ESP_LOGI(TAG, "Got ip:" IPSTR, IP2STR(&event->ip_info.ip)); ESP_LOGI(TAG, "Got ip:" IPSTR, IP2STR(&event->ip_info.ip));
s_retry_num = 0;
if (s_initial_connect)
{
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT); xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
} }
else
{
ESP_LOGI(TAG, "Successfully reconnected to AP");
}
}
} }