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fix case of connecting when wifi is stopped

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This commit is contained in:
anecdata 2021-01-18 19:57:01 -06:00
parent c524900a1b
commit a01ff658ea
1 changed files with 13 additions and 3 deletions
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16
ports/esp32s2/common-hal/wifi/Radio.c
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@ -126,15 +126,25 @@ void common_hal_wifi_radio_set_hostname(wifi_radio_obj_t *self, const char *host
} }
wifi_radio_error_t common_hal_wifi_radio_connect(wifi_radio_obj_t *self, uint8_t* ssid, size_t ssid_len, uint8_t* password, size_t password_len, uint8_t channel, mp_float_t timeout, uint8_t* bssid, size_t bssid_len) { wifi_radio_error_t common_hal_wifi_radio_connect(wifi_radio_obj_t *self, uint8_t* ssid, size_t ssid_len, uint8_t* password, size_t password_len, uint8_t channel, mp_float_t timeout, uint8_t* bssid, size_t bssid_len) {
if (!common_hal_wifi_radio_get_enabled(self)) {
mp_raise_RuntimeError(translate("Can't connect when wifi is not enabled"));
}
EventBits_t bits; EventBits_t bits;
// can't block since both bits are false after wifi_init
// both bits are true after an existing connection stops
bits = xEventGroupWaitBits(self->event_group_handle, bits = xEventGroupWaitBits(self->event_group_handle,
WIFI_CONNECTED_BIT | WIFI_DISCONNECTED_BIT, WIFI_CONNECTED_BIT | WIFI_DISCONNECTED_BIT,
pdTRUE, pdTRUE,
pdTRUE, pdTRUE,
0); 0);
if ((bits & WIFI_CONNECTED_BIT) != 0) { if (((bits & WIFI_CONNECTED_BIT) != 0) &&
return WIFI_RADIO_ERROR_NONE; !((bits & WIFI_DISCONNECTED_BIT) != 0)) {
} return WIFI_RADIO_ERROR_NONE;
}
// explicitly clear bits since xEventGroupWaitBits may have timed out
xEventGroupClearBits(self->event_group_handle, WIFI_CONNECTED_BIT);
xEventGroupClearBits(self->event_group_handle, WIFI_DISCONNECTED_BIT);
start_station(self); start_station(self);
wifi_config_t* config = &self->sta_config; wifi_config_t* config = &self->sta_config;