diff --git a/.gitmodules b/.gitmodules
index dd55bdc0c..1fefa13f0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -109,3 +109,6 @@
 [submodule "lib/CMSIS_5"]
 	path = lib/CMSIS_5
 	url = https://github.com/ARM-software/CMSIS_5.git
+[submodule "lib/sct_neopixel"]
+	path = lib/sct_neopixel
+	url = https://github.com/gsteiert/sct_neopixel
diff --git a/examples/make.mk b/examples/make.mk
index 6743044fd..992a4e60e 100644
--- a/examples/make.mk
+++ b/examples/make.mk
@@ -34,9 +34,14 @@ CXX = $(CROSS_COMPILE)g++
 OBJCOPY = $(CROSS_COMPILE)objcopy
 SIZE = $(CROSS_COMPILE)size
 MKDIR = mkdir
+ifeq ($(CMDEXE),1)
+CP = copy
+RM = del
+else
 SED = sed
 CP = cp
 RM = rm
+endif
 
 #-------------- Source files and compiler flags --------------
 
diff --git a/examples/rules.mk b/examples/rules.mk
index 37e0e7a19..2274d1cd2 100644
--- a/examples/rules.mk
+++ b/examples/rules.mk
@@ -81,7 +81,11 @@ uf2: $(BUILD)/$(BOARD)-firmware.uf2
 OBJ_DIRS = $(sort $(dir $(OBJ)))
 $(OBJ): | $(OBJ_DIRS)
 $(OBJ_DIRS):
+ifeq ($(CMDEXE),1)
+	@$(MKDIR) $(subst /,\,$@)
+else
 	@$(MKDIR) -p $@
+endif
 
 $(BUILD)/$(BOARD)-firmware.elf: $(OBJ)
 	@echo LINK $@
@@ -107,13 +111,6 @@ vpath %.c . $(TOP)
 $(BUILD)/obj/%.o: %.c
 	@echo CC $(notdir $@)
 	@$(CC) $(CFLAGS) -c -MD -o $@ $<
-	@# The following fixes the dependency file.
-	@# See http://make.paulandlesley.org/autodep.html for details.
-	@# Regex adjusted from the above to play better with Windows paths, etc.
-	@$(CP) $(@:.o=.d) $(@:.o=.P); \
-	  $(SED) -e 's/#.*//' -e 's/^.*:  *//' -e 's/ *\\$$//' \
-	      -e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
-	  $(RM) $(@:.o=.d)
 
 # ASM sources lower case .s
 vpath %.s . $(TOP)
@@ -134,7 +131,11 @@ size: $(BUILD)/$(BOARD)-firmware.elf
 
 .PHONY: clean
 clean:
+ifeq ($(CMDEXE),1)
+	rd /S /Q $(subst /,\,$(BUILD))
+else
 	$(RM) -rf $(BUILD)
+endif
 
 # Print out the value of a make variable.
 # https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile
diff --git a/hw/bsp/adafruit_clue/board.mk b/hw/bsp/adafruit_clue/board.mk
index d5f7c7cd4..3db045ac0 100644
--- a/hw/bsp/adafruit_clue/board.mk
+++ b/hw/bsp/adafruit_clue/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld
diff --git a/hw/bsp/arduino_nano33_ble/board.mk b/hw/bsp/arduino_nano33_ble/board.mk
index d1d62bdf2..1ee8867e6 100644
--- a/hw/bsp/arduino_nano33_ble/board.mk
+++ b/hw/bsp/arduino_nano33_ble/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 #LD_FILE = hw/bsp/$(BOARD)/linker_script.ld
diff --git a/hw/bsp/circuitplayground_bluefruit/board.mk b/hw/bsp/circuitplayground_bluefruit/board.mk
index d5f7c7cd4..3db045ac0 100644
--- a/hw/bsp/circuitplayground_bluefruit/board.mk
+++ b/hw/bsp/circuitplayground_bluefruit/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld
diff --git a/hw/bsp/da14695_dk_usb/board.mk b/hw/bsp/da14695_dk_usb/board.mk
index 8fef7d10f..b097262dc 100644
--- a/hw/bsp/da14695_dk_usb/board.mk
+++ b/hw/bsp/da14695_dk_usb/board.mk
@@ -21,7 +21,7 @@ SRC_C += \
 	$(MCU_FAMILY_DIR)/src/da1469x_clock.c \
 	$(MCU_FAMILY_DIR)/src/hal_gpio.c \
 
-SRC_S += $(TOP)/hw/bsp/$(BOARD)/gcc_startup_da1469x.S
+SRC_S += hw/bsp/$(BOARD)/gcc_startup_da1469x.S
 
 INC += \
 	$(TOP)/hw/bsp/$(BOARD) \
diff --git a/hw/bsp/da1469x_dk_pro/board.mk b/hw/bsp/da1469x_dk_pro/board.mk
index 60a62378c..16bd6de6b 100644
--- a/hw/bsp/da1469x_dk_pro/board.mk
+++ b/hw/bsp/da1469x_dk_pro/board.mk
@@ -21,7 +21,7 @@ SRC_C += \
 	$(MCU_FAMILY_DIR)/src/da1469x_clock.c \
 	$(MCU_FAMILY_DIR)/src/hal_gpio.c \
 
-SRC_S += $(TOP)/hw/bsp/$(BOARD)/gcc_startup_da1469x.S
+SRC_S += hw/bsp/$(BOARD)/gcc_startup_da1469x.S
 
 INC += \
 	$(TOP)/hw/bsp/$(BOARD) \
diff --git a/hw/bsp/double_m33_express/board.mk b/hw/bsp/double_m33_express/board.mk
index df42ad4cc..c3401e5b2 100644
--- a/hw/bsp/double_m33_express/board.mk
+++ b/hw/bsp/double_m33_express/board.mk
@@ -25,9 +25,13 @@ SRC_C += \
 	$(MCU_DIR)/drivers/fsl_power.c \
 	$(MCU_DIR)/drivers/fsl_reset.c \
 	$(MCU_DIR)/drivers/fsl_usart.c \
-	$(MCU_DIR)/drivers/fsl_flexcomm.c 
+	$(MCU_DIR)/drivers/fsl_flexcomm.c \
+	lib/sct_neopixel/sct_neopixel.c 
 
 INC += \
+    $(TOP)/hw/bsp/ \
+	$(TOP)/hw/bsp/$(BOARD) \
+	$(TOP)/lib/sct_neopixel \
 	$(TOP)/$(MCU_DIR)/../../CMSIS/Include \
 	$(TOP)/$(MCU_DIR) \
 	$(TOP)/$(MCU_DIR)/drivers
diff --git a/hw/bsp/double_m33_express/double_m33_express.c b/hw/bsp/double_m33_express/double_m33_express.c
index 187313a41..655f23cc0 100644
--- a/hw/bsp/double_m33_express/double_m33_express.c
+++ b/hw/bsp/double_m33_express/double_m33_express.c
@@ -29,7 +29,9 @@
 #include "fsl_gpio.h"
 #include "fsl_power.h"
 #include "fsl_iocon.h"
+#include "fsl_usart.h"
 #include "fsl_sctimer.h"
+#include "sct_neopixel.h"
 
 //--------------------------------------------------------------------+
 // Forward USB interrupt events to TinyUSB IRQ Handler
@@ -60,6 +62,8 @@ void USB1_IRQHandler(void)
 #define NEOPIXEL_NUMBER       2
 #define NEOPIXEL_PORT         0
 #define NEOPIXEL_PIN          27
+#define NEOPIXEL_CH           6
+#define NEOPIXEL_TYPE         0  
 
 // UART
 #define UART_DEV              USART0
@@ -80,143 +84,9 @@ void USB1_IRQHandler(void)
 #define IOCON_PIO_DIG_FUNC4_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC4) /*!<@brief Digital pin function 2 enabled */
 #define IOCON_PIO_DIG_FUNC7_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC7) /*!<@brief Digital pin function 2 enabled */
 
-//--------------------------------------------------------------------+
-// Neopixel Driver
-//--------------------------------------------------------------------+
-#define NEO_SCT           SCT0
-#define NEO_MATCH_PERIOD  0
-#define NEO_MATCH_0       1
-#define NEO_MATCH_1       2
-#define NEO_EVENT_RISE    2
-#define NEO_EVENT_FALL_0  0
-#define NEO_EVENT_FALL_1  1
-#define NEO_EVENT_NEXT    3
-#define NEO_EVENT_START   4
-#define NEO_SCT_OUTPUT    6
-#define NEO_STATE_IDLE    24
-//#define NEO_ARRAY_SIZE    (3 * NEOPIXEL_NUMBER)
-
-//volatile uint32_t _neopixel_array[NEO_ARRAY_SIZE] = {0x10, 0x20, 0x30, 0x40, 0x50, 0x60};
-volatile uint32_t _neopixel_array[NEOPIXEL_NUMBER] = {0x404040, 0x202020};
-volatile uint32_t _neopixel_count = 0;
-
-void neopixel_int_handler(void){
-  uint32_t eventFlag = NEO_SCT->EVFLAG;
-  if (eventFlag & (1 << NEO_EVENT_NEXT)) {
-    _neopixel_count += 1;
-    if (_neopixel_count < (NEOPIXEL_NUMBER)) {
-      NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]);
-      NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
-    }
-  }
-  NEO_SCT->EVFLAG = eventFlag;
-}
-
-void SCT0_DriverIRQHandler(void){
-  neopixel_int_handler();
-  SDK_ISR_EXIT_BARRIER;
-}
-
-void neopixel_set(uint32_t pixel, uint32_t color){
-  if (pixel < NEOPIXEL_NUMBER) { 
-    _neopixel_array[pixel] = color;
-  }
-}
-
-void neopixel_update(void){
-//  while (NEO_SCT->CTRL & SCT_CTRL_HALT_L_MASK);
-  _neopixel_count = 0;
-  NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]);
-  NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
-}
-
-
-/*
-void neopixel_int_handler(void){
-  uint32_t eventFlag = NEO_SCT->EVFLAG;
-//  if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEO_ARRAY_SIZE))) {
-//    NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[_neopixel_count]);
-  if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEOPIXEL_NUMBER))) {
-    _neopixel_count += 1;
-    NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]);
-    NEO_SCT->EVFLAG = eventFlag;
-    NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
-  } else {
-    NEO_SCT->EVFLAG = eventFlag;
-  }
-}
-
-void SCT0_DriverIRQHandler(void){
-  neopixel_int_handler();
-  SDK_ISR_EXIT_BARRIER;
-}
-
-void neopixel_update(uint32_t pixel, uint32_t color){
-  if (pixel < NEOPIXEL_NUMBER) { 
-    _neopixel_array[pixel] = color;
-    _neopixel_count = 0;
-//    NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[0]);
-    NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]);
-    NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
-  }
-}
-*/
-void neopixel_init(void) {
-  CLOCK_EnableClock(kCLOCK_Sct0);
-  RESET_PeripheralReset(kSCT0_RST_SHIFT_RSTn);
-
-  NEO_SCT->CONFIG = (
-    SCT_CONFIG_UNIFY(1) | 
-    SCT_CONFIG_CLKMODE(kSCTIMER_System_ClockMode) | 
-    SCT_CONFIG_NORELOAD_L(1) );
-  NEO_SCT->CTRL = ( 
-    SCT_CTRL_HALT_L(1) |
-    SCT_CTRL_CLRCTR_L(1) );
-
-  NEO_SCT->MATCH[NEO_MATCH_PERIOD] = 120;
-  NEO_SCT->MATCH[NEO_MATCH_0] = 30;
-  NEO_SCT->MATCH[NEO_MATCH_1] = 60;
-  NEO_SCT->EV[NEO_EVENT_START].STATE = (1 << NEO_STATE_IDLE);
-  NEO_SCT->EV[NEO_EVENT_START].CTRL = (
-    kSCTIMER_OutputLowEvent | SCT_EV_CTRL_IOSEL(NEO_SCT_OUTPUT) | 
-    SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(23));
-//  NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFE;
-  NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFFFFFE;
-  NEO_SCT->EV[NEO_EVENT_RISE].CTRL = (
-    kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) | 
-    SCT_EV_CTRL_STATELD(0) | SCT_EV_CTRL_STATEV(31));
-  NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0x0;
-  NEO_SCT->EV[NEO_EVENT_FALL_0].CTRL = (
-    kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_0) | 
-    SCT_EV_CTRL_STATELD(0) );
-//  NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFF;
-  NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFFFFFF;
-  NEO_SCT->EV[NEO_EVENT_FALL_1].CTRL = (
-    kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_1) | 
-    SCT_EV_CTRL_STATELD(0) );
-  NEO_SCT->EV[NEO_EVENT_NEXT].STATE = 0x1;
-  NEO_SCT->EV[NEO_EVENT_NEXT].CTRL = (
-    kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) | 
-    SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(NEO_STATE_IDLE));
-
-  NEO_SCT->LIMIT = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE) | (1 << NEO_EVENT_NEXT);
-  NEO_SCT->HALT = (1 << NEO_EVENT_NEXT);
-  NEO_SCT->START = (1 << NEO_EVENT_START);
-
-  NEO_SCT->OUT[NEO_SCT_OUTPUT].SET = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE);
-  NEO_SCT->OUT[NEO_SCT_OUTPUT].CLR = (1 << NEO_EVENT_FALL_0) | (1 << NEO_EVENT_FALL_1) | (1 << NEO_EVENT_NEXT);
-  
-  NEO_SCT->STATE = NEO_STATE_IDLE; 
-  NEO_SCT->OUTPUT = 0x0;
-  NEO_SCT->RES = SCT_RES_O6RES(0x2);
-  NEO_SCT->EVEN = (1 << NEO_EVENT_NEXT);
-  EnableIRQ(SCT0_IRQn);
-
-  neopixel_set(0, 0x101000);
-  neopixel_set(1, 0x101000);
-  neopixel_update();
-}
 
+// Global Variables
+uint32_t pixelData[NEOPIXEL_NUMBER];
 
 /****************************************************************
 name: BOARD_BootClockFROHF96M
@@ -282,7 +152,12 @@ void board_init(void)
   /* PORT0 PIN27 configured as SCT0_OUT6 */
   IOCON_PinMuxSet(IOCON, NEOPIXEL_PORT, NEOPIXEL_PIN, IOCON_PIO_DIG_FUNC4_EN);
 
-  neopixel_init();
+  sctpix_init(NEOPIXEL_TYPE);
+  sctpix_addCh(NEOPIXEL_CH, pixelData, NEOPIXEL_NUMBER);
+  sctpix_setPixel(NEOPIXEL_CH, 0, 0x100010);
+  sctpix_setPixel(NEOPIXEL_CH, 1, 0x100010);
+  sctpix_show();
+
 
   // Button
   /* PORT0 PIN5 configured as PIO0_5 */
@@ -302,7 +177,7 @@ void board_init(void)
   CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0);
   usart_config_t uart_config;
   USART_GetDefaultConfig(&uart_config);
-  uart_config.baudRate_Bps = BOARD_UART_BAUDRATE;
+  uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
   uart_config.enableTx     = true;
   uart_config.enableRx     = true;
   USART_Init(UART_DEV, &uart_config, 12000000);
@@ -359,13 +234,13 @@ void board_led_write(bool state)
 {
   GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
   if (state) {
-    neopixel_set(0, 0x100000);
-    neopixel_set(1, 0x101010);
+    sctpix_setPixel(NEOPIXEL_CH, 0, 0x100000);
+    sctpix_setPixel(NEOPIXEL_CH, 1, 0x101010);
   } else {
-    neopixel_set(0, 0x001000);
-    neopixel_set(1, 0x000010);
+    sctpix_setPixel(NEOPIXEL_CH, 0, 0x001000);
+    sctpix_setPixel(NEOPIXEL_CH, 1, 0x000010);
   }
-  neopixel_update();
+  sctpix_show();
 }
 
 uint32_t board_button_read(void)
diff --git a/hw/bsp/feather_nrf52840_express/board.mk b/hw/bsp/feather_nrf52840_express/board.mk
index 6cc972835..059e55dff 100644
--- a/hw/bsp/feather_nrf52840_express/board.mk
+++ b/hw/bsp/feather_nrf52840_express/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld
diff --git a/hw/bsp/feather_nrf52840_sense/board.mk b/hw/bsp/feather_nrf52840_sense/board.mk
index d5f7c7cd4..3db045ac0 100644
--- a/hw/bsp/feather_nrf52840_sense/board.mk
+++ b/hw/bsp/feather_nrf52840_sense/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld
diff --git a/hw/bsp/itsybitsy_nrf52840/board.mk b/hw/bsp/itsybitsy_nrf52840/board.mk
index 6cc972835..059e55dff 100644
--- a/hw/bsp/itsybitsy_nrf52840/board.mk
+++ b/hw/bsp/itsybitsy_nrf52840/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld
diff --git a/hw/bsp/nrf52840_mdk_dongle/board.mk b/hw/bsp/nrf52840_mdk_dongle/board.mk
index 8ce8929b8..3c44e402c 100644
--- a/hw/bsp/nrf52840_mdk_dongle/board.mk
+++ b/hw/bsp/nrf52840_mdk_dongle/board.mk
@@ -13,9 +13,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/$(BOARD).ld
diff --git a/hw/bsp/pca10056/board.mk b/hw/bsp/pca10056/board.mk
index 8f4887dcb..b8691525b 100644
--- a/hw/bsp/pca10056/board.mk
+++ b/hw/bsp/pca10056/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52840_xxaa.ld
diff --git a/hw/bsp/pca10059/board.mk b/hw/bsp/pca10059/board.mk
index bd7a80c0e..178f09474 100644
--- a/hw/bsp/pca10059/board.mk
+++ b/hw/bsp/pca10059/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/bsp/$(BOARD)/$(BOARD).ld
diff --git a/hw/bsp/pca10100/board.mk b/hw/bsp/pca10100/board.mk
index 4b5be082e..8ada94ba0 100644
--- a/hw/bsp/pca10100/board.mk
+++ b/hw/bsp/pca10100/board.mk
@@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52833_xxaa.ld
diff --git a/hw/bsp/raytac_mdbt50q_rx/board.mk b/hw/bsp/raytac_mdbt50q_rx/board.mk
index e153aab0b..2c29acfa6 100644
--- a/hw/bsp/raytac_mdbt50q_rx/board.mk
+++ b/hw/bsp/raytac_mdbt50q_rx/board.mk
@@ -13,9 +13,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
 
 # due to tusb_hal_nrf_power_event
 GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+CFLAGS += -Wno-error=cast-function-type
+endif
+else
 ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
 CFLAGS += -Wno-error=cast-function-type
 endif
+endif
 
 # All source paths should be relative to the top level.
 LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52840_xxaa.ld
diff --git a/lib/sct_neopixel b/lib/sct_neopixel
new file mode 160000
index 000000000..e73e04ca6
--- /dev/null
+++ b/lib/sct_neopixel
@@ -0,0 +1 @@
+Subproject commit e73e04ca63495672d955f9268e003cffe168fcd8
diff --git a/tools/top.mk b/tools/top.mk
index be51b3f4f..84523a557 100644
--- a/tools/top.mk
+++ b/tools/top.mk
@@ -2,6 +2,12 @@ ifneq ($(lastword a b),b)
 $(error This Makefile require make 3.81 or newer)
 endif
 
+# Detect whether shell style is windows or not
+# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
+ifeq '$(findstring ;,$(PATH))' ';'
+CMDEXE := 1
+endif
+
 # Set TOP to be the path to get from the current directory (where make was
 # invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns
 # the name of this makefile relative to where make was invoked.
@@ -9,9 +15,16 @@ endif
 THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
 TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))
 
+ifeq ($(CMDEXE),1)
+TOP := $(subst \,/,$(shell for %%i in ( $(TOP) ) do echo %%~fi))
+else
 TOP := $(shell realpath $(TOP))
-
+endif
 #$(info Top directory is $(TOP))
 
+ifeq ($(CMDEXE),1)
+CURRENT_PATH := $(subst $(TOP)/,,$(subst \,/,$(shell echo %CD%)))
+else
 CURRENT_PATH := $(shell realpath --relative-to=$(TOP) `pwd`)
+endif
 #$(info Path from top is $(CURRENT_PATH))