diff --git a/STM32F4/cores/maple/libmaple/fsmc.h b/STM32F4/cores/maple/libmaple/fsmc.h
index 3501583..03a6acf 100644
--- a/STM32F4/cores/maple/libmaple/fsmc.h
+++ b/STM32F4/cores/maple/libmaple/fsmc.h
@@ -40,7 +40,7 @@
 #ifndef _FSMC_H_
 #define _FSMC_H_
 
-#include <libmaple\util.h>
+#include <libmaple/util.h>
 #include "libmaple_types.h"
 
 #ifdef __cplusplus
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/audio/inc/usbd_audio_core.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/audio/inc/usbd_audio_core.h
index 7ac987d..69f7ffa 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/audio/inc/usbd_audio_core.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/audio/inc/usbd_audio_core.h
@@ -26,7 +26,7 @@
 
 #include "usbd_ioreq.h"
 #include "usbd_req.h"
-#include <VCP\usbd_desc.h>
+#include <VCP/usbd_desc.h>
 
 
 
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/inc/usbd_cdc_core.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/inc/usbd_cdc_core.h
index b1c8cc1..29a38e9 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/inc/usbd_cdc_core.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/inc/usbd_cdc_core.h
@@ -24,8 +24,8 @@
 #ifndef __USB_CDC_CORE_H_
 #define __USB_CDC_CORE_H_
 
-#include <STM32_USB_Device_Library\Core\inc/usbd_ioreq.h>
-#include <STM32_USB_OTG_Driver\inc\usb_core.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_ioreq.h>
+#include <STM32_USB_OTG_Driver/inc/usb_core.h>
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
   * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/src/usbd_cdc_core.c b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/src/usbd_cdc_core.c
index 8f97c51..8963a8a 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/src/usbd_cdc_core.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Class/cdc/src/usbd_cdc_core.c
@@ -58,10 +58,10 @@
   */ 
 
 /* Includes ------------------------------------------------------------------*/
-#include <VCP\usb_conf.h>
-#include <STM32_USB_Device_Library\Class\cdc\inc\usbd_cdc_core.h>
-#include <VCP\usbd_desc.h>
-#include <STM32_USB_Device_Library\Core\inc\usbd_req.h>
+#include <VCP/usb_conf.h>
+#include <STM32_USB_Device_Library/Class/cdc/inc/usbd_cdc_core.h>
+#include <VCP/usbd_desc.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_req.h>
 
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_core.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_core.h
index 063a30e..3e4db9b 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_core.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_core.h
@@ -26,7 +26,7 @@
 /* Includes ------------------------------------------------------------------*/
 #include <STM32_USB_OTG_Driver/inc/usb_dcd.h>
 #include "usbd_def.h"
-#include <VCP\usbd_conf.h>
+#include <VCP/usbd_conf.h>
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
   * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_def.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_def.h
index f2a3115..03a8afc 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_def.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_def.h
@@ -24,7 +24,7 @@
 #ifndef __USBD_DEF_H
 #define __USBD_DEF_H
 /* Includes ------------------------------------------------------------------*/
-#include <VCP\usbd_conf.h>
+#include <VCP/usbd_conf.h>
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
   * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_req.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_req.h
index f9849c6..fd3c055 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_req.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/inc/usbd_req.h
@@ -27,7 +27,7 @@
 /* Includes ------------------------------------------------------------------*/
 #include  "usbd_def.h"
 #include  "usbd_core.h"
-#include  <VCP\usbd_conf.h>
+#include  <VCP/usbd_conf.h>
 
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_core.c b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_core.c
index 00bb251..2c5e822 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_core.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_core.c
@@ -20,11 +20,11 @@
   */ 
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_Device_Library\Core\inc\usbd_core.h>
-#include <STM32_USB_Device_Library\Core\inc\usbd_req.h>
-#include <STM32_USB_Device_Library\Core\inc\usbd_ioreq.h>
-#include <STM32_USB_OTG_Driver\inc\usb_dcd_int.h>
-#include <STM32_USB_OTG_Driver\inc\usb_bsp.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_core.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_req.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_ioreq.h>
+#include <STM32_USB_OTG_Driver/inc/usb_dcd_int.h>
+#include <STM32_USB_OTG_Driver/inc/usb_bsp.h>
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
 * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_ioreq.c b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_ioreq.c
index 20ee5a0..620b9e5 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_ioreq.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_ioreq.c
@@ -20,7 +20,7 @@
   */ 
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_Device_Library\Core\inc\usbd_ioreq.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_ioreq.h>
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
   * @{
   */
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_req.c b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_req.c
index 5fc2e03..2233d15 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_req.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_Device_Library/Core/src/usbd_req.c
@@ -20,9 +20,9 @@
   */ 
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_Device_Library\Core\inc\usbd_req.h>
-#include <STM32_USB_Device_Library\Core\inc\usbd_ioreq.h>
-#include <VCP\usbd_desc.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_req.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_ioreq.h>
+#include <VCP/usbd_desc.h>
 
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_core.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_core.h
index 43c4781..dd6a86a 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_core.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_core.h
@@ -24,7 +24,7 @@
 #define __USB_CORE_H__
 
 /* Includes ------------------------------------------------------------------*/
-#include <VCP\usbd_conf.h>
+#include <VCP/usbd_conf.h>
 #include "usb_regs.h"
 #include "usb_defines.h"
 
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_defines.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_defines.h
index ee2c1a0..546f5ab 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_defines.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_defines.h
@@ -24,7 +24,7 @@
 #define __USB_DEF_H__
 
 /* Includes ------------------------------------------------------------------*/
-#include  <VCP\usbd_conf.h>
+#include  <VCP/usbd_conf.h>
 
 /** @addtogroup USB_OTG_DRIVER
   * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_regs.h b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_regs.h
index 99f844e..3038f0d 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_regs.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/inc/usb_regs.h
@@ -24,8 +24,8 @@
 #define __USB_OTG_REGS_H__
 
 /* Includes ------------------------------------------------------------------*/
-#include <VCP\usbd_conf.h>
-#include <libmaple\libmaple_types.h>
+#include <VCP/usbd_conf.h>
+#include <libmaple/libmaple_types.h>
 
 /** @addtogroup USB_OTG_DRIVER
   * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_core.c b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_core.c
index 1687afa..dd3856f 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_core.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_core.c
@@ -20,8 +20,8 @@
   */
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_OTG_Driver\inc\usb_bsp.h>
-#include <STM32_USB_OTG_Driver\inc\usb_core.h>
+#include <STM32_USB_OTG_Driver/inc/usb_bsp.h>
+#include <STM32_USB_OTG_Driver/inc/usb_core.h>
 
 
 /** @addtogroup USB_OTG_DRIVER
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd.c b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd.c
index dc9e538..0d23a97 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd.c
@@ -20,8 +20,8 @@
   */
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_OTG_Driver\inc\usb_dcd.h>
-#include <STM32_USB_OTG_Driver\inc\usb_bsp.h>
+#include <STM32_USB_OTG_Driver/inc/usb_dcd.h>
+#include <STM32_USB_OTG_Driver/inc/usb_bsp.h>
 
 
 /** @addtogroup USB_OTG_DRIVER
diff --git a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd_int.c b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd_int.c
index f9e561f..fb3bb9d 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd_int.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/STM32_USB_OTG_Driver/src/usb_dcd_int.c
@@ -20,12 +20,12 @@
   */
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_OTG_Driver\inc\usb_dcd_int.h>
+#include <STM32_USB_OTG_Driver/inc/usb_dcd_int.h>
 
 typedef int IRQn_Type;
 #define __NVIC_PRIO_BITS          4
 #define __Vendor_SysTickConfig    1
-#include <VCP\core_cm4.h>
+#include <VCP/core_cm4.h>
 
 
 /** @addtogroup USB_OTG_DRIVER
diff --git a/STM32F4/cores/maple/libmaple/usbF4/VCP/usb_bsp.c b/STM32F4/cores/maple/libmaple/usbF4/VCP/usb_bsp.c
index e794cb1..c365038 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/VCP/usb_bsp.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/VCP/usb_bsp.c
@@ -21,7 +21,7 @@
   */
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_OTG_Driver\inc\usb_bsp.h>
+#include <STM32_USB_OTG_Driver/inc/usb_bsp.h>
 #include "usbd_conf.h"
 #include <libmaple/gpio.h>
 typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
diff --git a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_cdc_vcp.h b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_cdc_vcp.h
index 8398dbd..1ac6c2f 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_cdc_vcp.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_cdc_vcp.h
@@ -26,7 +26,7 @@
 /* Includes ------------------------------------------------------------------*/
 //#include "stm32f4xx.h"
 
-#include <STM32_USB_Device_Library\Class\cdc\inc\usbd_cdc_core.h>
+#include <STM32_USB_Device_Library/Class/cdc/inc/usbd_cdc_core.h>
 #include "usbd_conf.h"
 
 
diff --git a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.c b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.c
index 0153858..e37e28c 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.c
@@ -20,11 +20,11 @@
   */ 
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_Device_Library\Core\inc\usbd_core.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_core.h>
 #include "usbd_desc.h"
-#include <STM32_USB_Device_Library\Core\inc\usbd_req.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_req.h>
 #include "usbd_conf.h"
-#include <STM32_USB_OTG_Driver\inc\usb_regs.h>
+#include <STM32_USB_OTG_Driver/inc/usb_regs.h>
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
   * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.h b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.h
index 4ae998c..987767f 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_desc.h
@@ -25,7 +25,7 @@
 #define __USB_DESC_H
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_Device_Library\Core\inc\usbd_def.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_def.h>
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
   * @{
diff --git a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_usr.c b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_usr.c
index a16ce40..44eef15 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_usr.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/VCP/usbd_usr.c
@@ -20,8 +20,8 @@
   */ 
 
 /* Includes ------------------------------------------------------------------*/
-#include <STM32_USB_Device_Library\Core\inc\usbd_usr.h>
-#include <STM32_USB_Device_Library\Core\inc\usbd_ioreq.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_usr.h>
+#include <STM32_USB_Device_Library/Core/inc/usbd_ioreq.h>
 
 
 /** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
diff --git a/STM32F4/cores/maple/libmaple/usbF4/usb.c b/STM32F4/cores/maple/libmaple/usbF4/usb.c
index 3850719..3e92186 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/usb.c
+++ b/STM32F4/cores/maple/libmaple/usbF4/usb.c
@@ -4,11 +4,11 @@
 
 #include <STM32_USB_Device_Library/Class/cdc/inc/usbd_cdc_core.h>
 #include <STM32_USB_Device_Library/Core/inc/usbd_usr.h>
-#include <VCP\usbd_desc.h>
+#include <VCP/usbd_desc.h>
 #include "usb.h"
 #include <libmaple/gpio.h>
 #include <libmaple/rccF4.h>
-#include <VCP\usbd_cdc_vcp.h>
+#include <VCP/usbd_cdc_vcp.h>
 #include <boards.h>
 
 USB_OTG_CORE_HANDLE  USB_OTG_dev;
@@ -96,7 +96,7 @@ RESULT usbPowerOff(void) {
 
 void usbDsbISR(void) {};
 
-#include <STM32_USB_OTG_Driver\inc\usb_dcd_int.h>
+#include <STM32_USB_OTG_Driver/inc/usb_dcd_int.h>
 void __irq_OTG_FS_IRQHandler(void)
 {
   USBD_OTG_ISR_Handler (&USB_OTG_dev);
diff --git a/STM32F4/cores/maple/libmaple/usbF4/usb.h b/STM32F4/cores/maple/libmaple/usbF4/usb.h
index ce1a558..7f0b2aa 100644
--- a/STM32F4/cores/maple/libmaple/usbF4/usb.h
+++ b/STM32F4/cores/maple/libmaple/usbF4/usb.h
@@ -5,7 +5,7 @@
 extern "C" {
 #endif
 
-#include <VCP\usb_conf.h>
+#include <VCP/usb_conf.h>
 
 typedef enum _RESULT
 {
diff --git a/STM32F4/system/libmaple/Arduino.h b/STM32F4/system/libmaple/Arduino.h
index cef8f08..d445126 100644
--- a/STM32F4/system/libmaple/Arduino.h
+++ b/STM32F4/system/libmaple/Arduino.h
@@ -27,7 +27,6 @@
 #ifndef _WIRISH_ARDUINO_H_
 #define _WIRISH_ARDUINO_H_
 
-//#warning Include Arduino.h from system\libmaple
 
 #include "wirish.h"
 
diff --git a/STM32F4/variants/discovery_f407/discovery_f4.cpp b/STM32F4/variants/discovery_f407/discovery_f4.cpp
index 74660f0..7d288d5 100644
--- a/STM32F4/variants/discovery_f407/discovery_f4.cpp
+++ b/STM32F4/variants/discovery_f407/discovery_f4.cpp
@@ -34,8 +34,8 @@
 
 #include "discovery_f4.h"
 
-#include <libmaple\gpio.h>
-#include <libmaple\rcc.h>
+#include <libmaple/gpio.h>
+#include <libmaple/rcc.h>
 
 #include "wirish_types.h"
 
diff --git a/STM32F4/variants/generic_f407v/pin_map.c b/STM32F4/variants/generic_f407v/pin_map.c
index 5ecde53..db5247b 100644
--- a/STM32F4/variants/generic_f407v/pin_map.c
+++ b/STM32F4/variants/generic_f407v/pin_map.c
@@ -39,9 +39,9 @@ extern "C"{
 //#include "generic_f407v.h"
 
 //#include "fsmc.h"
-#include <libmaple\gpio.h>
-#include <libmaple\rcc.h>
-#include <libmaple\timer.h>
+#include <libmaple/gpio.h>
+#include <libmaple/rcc.h>
+#include <libmaple/timer.h>
 
 #include <wirish_types.h>