feat: add seeed xiao-esp32 platform

esp32/platformio.ini

@@ -40,3 +40,22 @@ build_flags =
   ;; - Additional parameters in the WifiManager config menu for configuring these features.
   ;; Check out the README for a schematic of how to wire up the LDR.
   -D FEATURE_LDR=3
+
+
+[env:seeed_xiao_esp32c3]
+platform = espressif32
+board = seeed_xiao_esp32c3
+framework = arduino
+lib_deps =
+  adafruit/Adafruit NeoPixel@^1.12.3
+  bblanchon/ArduinoJson@^7.1.0
+  sstaub/NTP@^1.6
+  tzapu/WiFiManager@^2.0.17
+  khoih-prog/ESP32_C3_TimerInterrupt@^1.8.0
+build_flags =
+  -D ARDUINO_USB_MODE=1
+  -D ARDUINO_USB_CDC_ON_BOOT=1
+  -D WS2812_PIN=D8
+  -D FEATURE_CONFIGAP=D0
+  -D FEATURE_CONFIGAP_GND=D1
+  -D FEATURE_LDR=A2

esp32/src/main.cpp

@@ -12,7 +12,9 @@
 
 #include "spacemap.h"
 
+#ifndef WS2812_PIN
 #define WS2812_PIN 0
+#endif
 #define WS2812_LEN (sizeof(spaces)/sizeof(char*))
 #define WS2812_BS 5
 
@@ -38,6 +40,7 @@ ESP32Timer ITimer0(0);
 volatile bool wmp_needs_config_save;
 volatile bool timerExpired;
 bool error = false;
+uint16_t failcount = 0;
 
 enum SpaceState {
   Closed,
@@ -330,6 +333,14 @@ void loop() {
     timerExpired = false;
     Serial.println("Timer expired!");
     error = !updateMap();
+    if (error) {
+      ++failcount;
+    } else {
+      failcount = 0;
+    }
+    if (failcount > 3) {
+      ESP.restart();
+    }
   }
   time_t now = ntp.epoch();