From 90e9c95c30aaea47f598cbf36b41a86a1955316c Mon Sep 17 00:00:00 2001
From: Gunar Schorcht <gunar@schorcht.net>
Date: Sun, 13 Jan 2019 17:34:05 +0100
Subject: [PATCH] cpu/esp32: registration of RX callback in esp_wifi
RX callback function should be register when WiFi has been connected to AP successfully and should be unregistered when WiFi disconnects from AP. Therefore, esp_wifi_internal_reg_rxcb is called now in event handler on event SYSTEM_EVENT_STA_CONNECTED. It is reset now on event SYSTEM_EVENT_STA_DISCONNECTED.
---
cpu/esp32/esp-wifi/esp_wifi_netdev.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/cpu/esp32/esp-wifi/esp_wifi_netdev.c b/cpu/esp32/esp-wifi/esp_wifi_netdev.c
index dfe2b5451e..8516cab0cd 100644
--- a/cpu/esp32/esp-wifi/esp_wifi_netdev.c
+++ b/cpu/esp32/esp-wifi/esp_wifi_netdev.c
@@ -122,18 +122,28 @@ static esp_err_t IRAM_ATTR _esp_system_event_handler(void *ctx, system_event_t *
case SYSTEM_EVENT_STA_CONNECTED:
DEBUG("%s WiFi connected\n", __func__);
+
+ /* register RX callback function */
+ esp_wifi_internal_reg_rxcb(ESP_IF_WIFI_STA, _esp_wifi_rx_cb);
+
_esp_wifi_dev.connected = true;
_esp_wifi_dev.event = SYSTEM_EVENT_ETH_CONNECTED;
_esp_wifi_dev.netdev.event_callback(&_esp_wifi_dev.netdev, NETDEV_EVENT_ISR);
+
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
DEBUG("%s WiFi disconnected from ssid %s, reason %d\n", __func__,
event->event_info.disconnected.ssid,
event->event_info.disconnected.reason);
+
+ /* unregister RX callback function */
+ esp_wifi_internal_reg_rxcb(ESP_IF_WIFI_STA, NULL);
+
_esp_wifi_dev.connected = false;
_esp_wifi_dev.event = SYSTEM_EVENT_ETH_DISCONNECTED;
_esp_wifi_dev.netdev.event_callback(&_esp_wifi_dev.netdev, NETDEV_EVENT_ISR);
+
break;
default:
--
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