qr: show qrcodes with more contrast on jade v2 devices

Author: jgriffiths

main/gui.c

@@ -37,8 +37,12 @@ ESP_EVENT_DEFINE_BASE(GUI_EVENT);
 
 const color_t GUI_BLOCKSTREAM_JADE_GREEN = 0x4C04;
 const color_t GUI_BLOCKSTREAM_BUTTONBORDER_GREY = 0x0421;
+#ifdef CONFIG_IDF_TARGET_ESP32S3
+// V2 QR codes scan better with a higher contrast background
+const color_t GUI_BLOCKSTREAM_QR_PALE = 0xFFFF;
+#else
 const color_t GUI_BLOCKSTREAM_QR_PALE = 0x494A;
-
+#endif
 const color_t GUI_BLOCKSTREAM_HIGHTLIGHT_DEFAULT = GUI_BLOCKSTREAM_JADE_GREEN;
 const color_t GUI_BLOCKSTREAM_HIGHTLIGHT_ORANGE = 0xE0D3;
 const color_t GUI_BLOCKSTREAM_HIGHTLIGHT_BLUE = 0xD318;