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fix(firmware): accept WPA/WPA2-mixed routers; warn about compact-board thermal risk

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Lower the STA auth threshold from WPA2_PSK to WPA_PSK so routers running
WPA/WPA2-mixed compatibility mode aren't rejected with
WIFI_REASON_NO_AP_FOUND_IN_AUTHMODE_THRESHOLD (reason=211), and log the
disconnect reason/rssi instead of retrying blind. Also document the thermal
risk of running this firmware's continuous-radio, tier-2 DSP pipeline on
coin-sized clone boards (ESP32-S3-Zero, SuperMini) with minimal PCB copper
and budget regulators, after a field report of three such boards failing to
power on following a normal session.

Co-Authored-By: claude-flow <ruv@ruv.net>
This commit is contained in:
Matías J. Apablaza
2026-07-07 00:05:22 -03:00
committed by ruv
parent c8e990c36f
commit 6f0114c488
4 changed files with 12 additions and 1 deletions
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firmware/esp32-csi-node/main/main.c
+6 -1
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@@ -67,6 +67,8 @@ static void event_handler(void *arg, esp_event_base_t event_base,
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
esp_wifi_connect();
} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
wifi_event_sta_disconnected_t *disc = (wifi_event_sta_disconnected_t *)event_data;
ESP_LOGW(TAG, "WiFi disconnected, reason=%d rssi=%d", disc->reason, disc->rssi);
if (s_retry_num < MAX_RETRY) {
esp_wifi_connect();
s_retry_num++;
@@ -102,7 +104,10 @@ static void wifi_init_sta(void)
wifi_config_t wifi_config = {
.sta = {
.threshold.authmode = WIFI_AUTH_WPA2_PSK,
/* WPA_PSK (not WPA2_PSK) so routers running WPA/WPA2-mixed
* compatibility mode aren't rejected with
* WIFI_REASON_NO_AP_FOUND_IN_AUTHMODE_THRESHOLD (#1050). */
.threshold.authmode = WIFI_AUTH_WPA_PSK,
},
};