add pirkey and itsybitsy m0

change dotstar brightness to account for new 'dimmer' apa102's
update makefile to not use py3

Makefile

@@ -128,7 +128,7 @@ $(SELF_EXECUTABLE): $(SELF_OBJECTS)
 		 -T$(SELF_LINKER_SCRIPT) \
 		 -Wl,-Map,$(BUILD_PATH)/update-$(NAME).map -o $(BUILD_PATH)/update-$(NAME).elf $(SELF_OBJECTS)
 	arm-none-eabi-objcopy -O binary $(BUILD_PATH)/update-$(NAME).elf $(BUILD_PATH)/update-$(NAME).bin
-	python lib/uf2/utils/uf2conv.py -b $(BOOTLOADER_SIZE) -c -o $@ $(BUILD_PATH)/update-$(NAME).bin
+	python2 lib/uf2/utils/uf2conv.py -b $(BOOTLOADER_SIZE) -c -o $@ $(BUILD_PATH)/update-$(NAME).bin
 
 $(BUILD_PATH)/%.o: src/%.c $(wildcard inc/*.h boards/*/*.h) $(BUILD_PATH)/uf2_version.h
 	echo "$<"
@@ -138,7 +138,7 @@ $(BUILD_PATH)/%.o: $(BUILD_PATH)/%.c
 	$(CC) $(CFLAGS) $(BLD_EXTA_FLAGS) $(INCLUDES) $< -o $@
 
 $(BUILD_PATH)/selfdata.c: $(EXECUTABLE) scripts/gendata.py src/sketch.cpp
-	python scripts/gendata.py $(BOOTLOADER_SIZE) $(EXECUTABLE)
+	python2 scripts/gendata.py $(BOOTLOADER_SIZE) $(EXECUTABLE)
 
 clean:
 	rm -rf build

boards/itsybitsy_m0/board.mk

@@ -0,0 +1,2 @@
+CHIP_FAMILY = samd21
+CHIP_VARIANT = SAMD21G18A

boards/itsybitsy_m0/board_config.h

@@ -0,0 +1,20 @@
+#ifndef BOARD_CONFIG_H
+#define BOARD_CONFIG_H
+
+#define __SAMD21G18A__ 1
+
+#define VENDOR_NAME "Adafruit Industries"
+#define PRODUCT_NAME "ItsyBitsy M0 Express"
+#define VOLUME_LABEL "ITSYBOOT"
+#define INDEX_URL "http://adafru.it/3727"
+#define BOARD_ID "SAMD21G18A-ItsyBitsy-v0"
+
+#define USB_VID 0x239A
+#define USB_PID 0x000F
+
+#define LED_PIN PIN_PA17
+
+#define BOARD_RGBLED_CLOCK_PIN            PIN_PA00
+#define BOARD_RGBLED_DATA_PIN             PIN_PA01
+
+#endif

boards/pirkey/board.mk

@@ -0,0 +1,2 @@
+CHIP_FAMILY = samd21
+CHIP_VARIANT = SAMD21E18A

boards/pirkey/board_config.h

@@ -0,0 +1,23 @@
+#ifndef BOARD_CONFIG_H
+#define BOARD_CONFIG_H
+
+#define __SAMD21E18A__ 1
+#define CRYSTALLESS    1
+
+#define VENDOR_NAME "Adafruit Industries"
+#define PRODUCT_NAME "pIRKey"
+#define VOLUME_LABEL "PIRKEYBOOT"
+#define INDEX_URL "http://adafru.it/"
+#define BOARD_ID "SAMD21E18A-pIRKey-v0"
+
+#define USB_VID 0x239A
+#define USB_PID 0x0027
+
+#define LED_PIN PIN_PA02  // not actually connected
+//#define LED_TX_PIN PIN_PA27
+//#define LED_RX_PIN PIN_PB03
+
+#define BOARD_RGBLED_CLOCK_PIN            PIN_PA01
+#define BOARD_RGBLED_DATA_PIN             PIN_PA00
+
+#endif

inc/uf2.h

@@ -127,10 +127,10 @@
 #define COLOR_UART 0x040400
 #define COLOR_LEAVE 0x000000
 #else
-#define COLOR_START 0x00000A
-#define COLOR_USB 0x000A00
-#define COLOR_UART 0x0A0A00
-#define COLOR_LEAVE 0x0A000A
+#define COLOR_START 0x000040
+#define COLOR_USB 0x004000
+#define COLOR_UART 0x404000
+#define COLOR_LEAVE 0x400040
 #endif
 
 /*