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cpu/esp32: automatic reconnect after disconnect

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If WiFi is disconnected, e.g., because of timeout for beacon frame, it is tried to reconnect automatically.
This commit is contained in:
Gunar Schorcht 2019-01-13 17:36:09 +01:00 committed by Schorcht
parent 90e9c95c30
commit c9684af5c2
1 changed files with 16 additions and 0 deletions
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16
cpu/esp32/esp-wifi/esp_wifi_netdev.c
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@ -144,6 +144,21 @@ static esp_err_t IRAM_ATTR _esp_system_event_handler(void *ctx, system_event_t *
_esp_wifi_dev.event = SYSTEM_EVENT_ETH_DISCONNECTED;
_esp_wifi_dev.netdev.event_callback(&_esp_wifi_dev.netdev, NETDEV_EVENT_ISR);
/* call disconnect to reset internal state */
result = esp_wifi_disconnect();
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_wifi", "esp_wifi_disconnect failed with "
"return value %d\n", result);
return result;
}
/* try to reconnect */
result = esp_wifi_connect();
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_wifi", "esp_wifi_connect failed with "
"return value %d\n", result);
}
break;
default:
@ -313,6 +328,7 @@ static int _esp_wifi_send(netdev_t *netdev, const iolist_t *iolist)
}
mutex_unlock(&dev->dev_lock);
return ret;
}