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esp8266/modnetwork: Fix wlan.scan() method so it returns all networks. 

According to the Arduino ESP8266 implementation the first argument to the
wifi scan callback is actually a bss_info pointer.  This patch fixes the
iteration over this data so the first 2 entries are no longer skipped.

Fixes issue #2372.
This commit is contained in:
Damien George 2016-09-06 15:30:39 +10:00
parent 4a9542c0c0
commit b4be5a8f34
1 changed files with 3 additions and 4 deletions
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7
esp8266/modnetwork.c
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@ -130,17 +130,16 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_status_obj, esp_status);
STATIC mp_obj_t *esp_scan_list = NULL; STATIC mp_obj_t *esp_scan_list = NULL;
STATIC void esp_scan_cb(scaninfo *si, STATUS status) { STATIC void esp_scan_cb(void *result, STATUS status) {
if (esp_scan_list == NULL) { if (esp_scan_list == NULL) {
// called unexpectedly // called unexpectedly
return; return;
} }
if (si->pbss && status == 0) { if (result && status == 0) {
// we need to catch any memory errors // we need to catch any memory errors
nlr_buf_t nlr; nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) { if (nlr_push(&nlr) == 0) {
struct bss_info *bs; for (struct bss_info *bs = result; bs; bs = STAILQ_NEXT(bs, next)) {
STAILQ_FOREACH(bs, si->pbss, next) {
mp_obj_tuple_t *t = mp_obj_new_tuple(6, NULL); mp_obj_tuple_t *t = mp_obj_new_tuple(6, NULL);
#if 1 #if 1
// struct bss_info::ssid_len is not documented in SDK API Guide, // struct bss_info::ssid_len is not documented in SDK API Guide,