added Adafruit Feather ESP32S2

.gitignore

@@ -1,7 +1,7 @@
 /ports/*/_build/
 /ports/esp32s2/self_update/_build/
 /ports/*/_bin/
-sdkconfig
+/sdkconfig
 .settings/
 *.o
 *.d

ports/esp32s2/boards/adafruit_feather_esp32s2/board.h

@@ -0,0 +1,76 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Ha Thach (tinyusb.org) for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef ADAFRUIT_FEATHER_ESP32S2_H_
+#define ADAFRUIT_FEATHER_ESP32S2_H_
+
+//--------------------------------------------------------------------+
+// Button
+//--------------------------------------------------------------------+
+
+// Enter UF2 mode if GPIO is pressed while 2nd stage bootloader indicator
+// is on e.g RGB = Purple. If it is GPIO0, user should not hold this while
+// reset since that will instead run the 1st stage ROM bootloader
+#define PIN_BUTTON_UF2        0
+
+// GPIO that implement 1-bit memory with RC components which hold the
+// pin value long enough for double reset detection.
+#define PIN_DOUBLE_RESET_RC   34
+
+//--------------------------------------------------------------------+
+// LED
+//--------------------------------------------------------------------+
+
+// GPIO connected to Neopixel data
+#define NEOPIXEL_PIN          33
+
+#define NEOPIXEL_POWER_PIN    21
+#define NEOPIXEL_POWER_STATE  1
+
+// Brightness percentage from 1 to 255
+#define NEOPIXEL_BRIGHTNESS   0x10
+
+// Number of neopixels
+#define NEOPIXEL_NUMBER       1
+
+// LED for indicator and writing flash
+// If not defined neopixel will be use for flash writing instead
+#define LED_PIN               13
+#define LED_STATE_ON          1
+
+//--------------------------------------------------------------------+
+// USB UF2
+//--------------------------------------------------------------------+
+
+#define USB_VID           0x239A
+#define USB_PID           0x00DF // TODO not updated yet
+#define USB_MANUFACTURER  "Adafruit"
+#define USB_PRODUCT       "Feather ESP32-S2"
+
+#define UF2_PRODUCT_NAME  USB_MANUFACTURER " " USB_PRODUCT
+#define UF2_BOARD_ID      "ESP32S2-Feather-revA"
+#define UF2_VOLUME_LABEL  "FTHRS2BOOT"
+#define UF2_INDEX_URL     "https://www.adafruit.com/product/pid"
+
+#endif

ports/esp32s2/boards/adafruit_feather_esp32s2/sdkconfig

@@ -0,0 +1,6 @@
+
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions-4MB.csv"
+CONFIG_PARTITION_TABLE_FILENAME="partitions-4MB.csv"
+
+# Serial flasher config
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y