8000 ports/esp32/modnetwork.c: Reliably tell the status with isconnected() by robert-hh · Pull Request #217 · micropython/micropython-esp32 · GitHub
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ports/esp32/modnetwork.c: Reliably tell the status with isconnected() #217

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ports/esp32/modnetwork.c: Reliably tell the status with isconnected() #217

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12 changes: 9 additions & 3 deletions ports/esp32/modnetwork.c
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,9 @@ static wifi_config_t wifi_sta_config = {{{0}}};
// Set to "true" if the STA interface is requested to be connected by the
// user, used for automatic reassociation.
static bool wifi_sta_connected = false;
// Flags keeping trail of the connection status
static bool wifi_isconnected = false;


// This function is called by the system-event task and so runs in a different
// thread to the main MicroPython task. It must not raise any Python exceptions.
Expand All @@ -124,6 +127,10 @@ static esp_err_t event_handler(void *ctx, system_event_t *event) {
case SYSTEM_EVENT_STA_START:
ESP_LOGI("wifi", "STA_START");
break;
case SYSTEM_EVENT_STA_CONNECTED:
ESP_LOGI("network", "CONNECTED");
wifi_isconnected = true;
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI("network", "GOT_IP");
break;
Expand All @@ -132,6 +139,7 @@ static esp_err_t event_handler(void *ctx, system_event_t *event) {
// auto-reassociate.
system_event_sta_disconnected_t *disconn = &event->event_info.disconnected;
ESP_LOGI("wifi", "STA_DISCONNECTED, reason:%d", disconn->reason);
wifi_isconnected = false;
switch (disconn->reason) {
case WIFI_REASON_BEACON_TIMEOUT:
mp_printf(MP_PYTHON_PRINTER, "beacon timeout\n");
Expand Down Expand Up @@ -322,9 +330,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_scan_obj, esp_scan);
STATIC mp_obj_t esp_isconnected(mp_obj_t self_in) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->if_id == WIFI_IF_STA) {
tcpip_adapter_ip_info_t info;
tcpip_adapter_get_ip_info(WIFI_IF_STA, &info);
return mp_obj_new_bool(info.ip.addr != 0);
return mp_obj_new_bool(wifi_isconnected);
} else {
wifi_sta_list_t sta;
esp_wifi_ap_get_sta_list(&sta);
Expand Down
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