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esp8266/modnetwork: Implement WLAN.status('rssi') for STA interface. 

This will return the RSSI of the AP that the STA is connected to.
This commit is contained in:
Damien George 2018-02-26 16:41:13 +11:00
parent 01dcd5bb71
commit c5fe610ba1
2 changed files with 23 additions and 7 deletions
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6
docs/library/network.rst
View File

@ -383,10 +383,11 @@ parameter should be `id`.
* 0 -- visible * 0 -- visible
* 1 -- hidden * 1 -- hidden
.. method:: wlan.status() .. method:: wlan.status([param])
Return the current status of the wireless connection. Return the current status of the wireless connection.
When called with no argument the return value describes the network link status.
The possible statuses are defined as constants: The possible statuses are defined as constants:
* ``STAT_IDLE`` -- no connection and no activity, * ``STAT_IDLE`` -- no connection and no activity,
@ -396,6 +397,9 @@ parameter should be `id`.
* ``STAT_CONNECT_FAIL`` -- failed due to other problems, * ``STAT_CONNECT_FAIL`` -- failed due to other problems,
* ``STAT_GOT_IP`` -- connection successful. * ``STAT_GOT_IP`` -- connection successful.
When called with one argument *param* should be a string naming the status
parameter to retrieve. Supported parameters in WiFI STA mode are: ``'rssi'``.
.. method:: wlan.isconnected() .. method:: wlan.isconnected()
In case of STA mode, returns ``True`` if connected to a WiFi access In case of STA mode, returns ``True`` if connected to a WiFi access

24
ports/esp8266/modnetwork.c
View File

@ -150,14 +150,26 @@ STATIC mp_obj_t esp_disconnect(mp_obj_t self_in) {
} }
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_disconnect_obj, esp_disconnect); STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_disconnect_obj, esp_disconnect);
STATIC mp_obj_t esp_status(mp_obj_t self_in) { STATIC mp_obj_t esp_status(size_t n_args, const mp_obj_t *args) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(self_in); wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
if (self->if_id == STATION_IF) { if (n_args == 1) {
return MP_OBJ_NEW_SMALL_INT(wifi_station_get_connect_status()); // Get link status
if (self->if_id == STATION_IF) {
return MP_OBJ_NEW_SMALL_INT(wifi_station_get_connect_status());
}
return MP_OBJ_NEW_SMALL_INT(-1);
} else {
// Get specific status parameter
switch (mp_obj_str_get_qstr(args[1])) {
case MP_QSTR_rssi:
if (self->if_id == STATION_IF) {
return MP_OBJ_NEW_SMALL_INT(wifi_station_get_rssi());
}
}
mp_raise_ValueError("unknown status param");
} }
return MP_OBJ_NEW_SMALL_INT(-1);
} }
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_status_obj, esp_status); STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(esp_status_obj, 1, 2, esp_status);
STATIC mp_obj_t *esp_scan_list = NULL; STATIC mp_obj_t *esp_scan_list = NULL;