From 8acfdb97b59c9414b24d2b04b07829c68b5b57dc Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Thu, 24 Dec 2020 15:35:50 +0100
Subject: Fix ALL the bugs

---
 fw/Makefile                                        |  13 +-
 .../STM32_USB_Device_Library/Core/Inc/usbd_core.h  | 167 -----
 .../Core/Inc/usbd_ctlreq.h                         | 113 ---
 .../STM32_USB_Device_Library/Core/Inc/usbd_def.h   | 330 ---------
 .../STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h | 128 ----
 .../STM32_USB_Device_Library/Core/Src/usbd_core.c  | 565 ---------------
 .../Core/Src/usbd_ctlreq.c                         | 782 ---------------------
 .../STM32_USB_Device_Library/Core/Src/usbd_ioreq.c | 236 -------
 fw/src/main.c                                      | 200 +-----
 fw/src/usbd_conf.c                                 |   4 +-
 fw/src/usbd_hid.c                                  | 147 ++--
 fw/src/usbd_hid.h                                  |   3 +
 12 files changed, 119 insertions(+), 2569 deletions(-)
 delete mode 100644 fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h
 delete mode 100644 fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h
 delete mode 100644 fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h
 delete mode 100644 fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h
 delete mode 100644 fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c
 delete mode 100644 fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c
 delete mode 100644 fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c

diff --git a/fw/Makefile b/fw/Makefile
index 0a83aa2..53fc967 100644
--- a/fw/Makefile
+++ b/fw/Makefile
@@ -63,7 +63,7 @@ LDSCRIPT 		:= STM32F072CBUx_FLASH.ld
 ARCH_FLAGS	    := -mthumb -mcpu=cortex-m0 -mfloat-abi=soft
 SYSTEM_FLAGS    += -nostdlib -ffreestanding -nostartfiles
 
-CFLAGS	        := -O0 -std=gnu11
+CFLAGS	        := -O0 -g -std=gnu11
 CFLAGS			+= -DUSE_HAL_DRIVER -DSTM32F072xB
 CFLAGS          += -DSTM32F0 -DDEBUG=$(DEBUG)
 # ST weirdness
@@ -131,10 +131,10 @@ DOT		?= dot
 # Rules
 ########################################################################################################################
 
-all: binsize
+all: binsize $(BUILDDIR)/$(BINARY:.elf=.bin)
 
 .PHONY: binsize
-binsize: $(BUILDDIR)/$(BINARY) $(BUILDDIR)/$(BINARY:.elf=-symbol-sizes.pdf)
+binsize: $(BUILDDIR)/$(BINARY) $(BUILDDIR)/$(BINARY:.elf=-symbol-sizes.pdf) 
 	@echo
 	@$(LD) -T$(LDSCRIPT) $(LDFLAGS) -Wl,--print-memory-usage -o /dev/null $(OBJS) $(LIBS)
 	@echo
@@ -159,6 +159,9 @@ build/$(BINARY:.elf=-symbol-sizes.dot): $(OBJS) FORCE
 %.dot: %.elf
 	r2 -a arm -qc 'aa;agRd' $< 2>/dev/null >$@
 
+%.bin: %.elf
+	$(OBJCOPY) -O binary $^ $@
+
 $(BUILDDIR)/src/%.o: src/%.s
 	mkdir -p $(@D)
 	$(CC) $(COMMON_CFLAGS) $(CFLAGS) $(INT_CFLAGS) -o $@ -c $<
@@ -179,6 +182,10 @@ $(BUILDDIR)/%.o: %.c
 	mkdir -p $(@D)
 	$(CC) $(COMMON_CFLAGS) $(CFLAGS) $(EXT_CFLAGS) -o $@ -c $<
 
+.PHONY: flash
+flash: $(BUILDDIR)/$(BINARY:.elf=.bin)
+	dfu-util -a 0 -s 0x08000000 -D $^
+
 clean:
 	rm -rf $(BUILDDIR)/src
 	rm -rf $(BUILDDIR)/generated
diff --git a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h b/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h
deleted file mode 100644
index 6550cd7..0000000
--- a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_core.h
+++ /dev/null
@@ -1,167 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usbd_core.h
-  * @author  MCD Application Team
-  * @version V2.4.2
-  * @date    11-December-2015
-  * @brief   Header file for usbd_core.c file
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */ 
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __USBD_CORE_H
-#define __USBD_CORE_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_conf.h"
-#include "usbd_def.h"
-#include "usbd_ioreq.h"
-#include "usbd_ctlreq.h"
-
-/** @addtogroup STM32_USB_DEVICE_LIBRARY
-  * @{
-  */
-  
-/** @defgroup USBD_CORE
-  * @brief This file is the Header file for usbd_core.c file
-  * @{
-  */ 
-
-
-/** @defgroup USBD_CORE_Exported_Defines
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_CORE_Exported_TypesDefinitions
-  * @{
-  */
- 
-
-/**
-  * @}
-  */ 
-
-
-
-/** @defgroup USBD_CORE_Exported_Macros
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_CORE_Exported_Variables
-  * @{
-  */ 
-#define USBD_SOF          USBD_LL_SOF
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_CORE_Exported_FunctionsPrototype
-  * @{
-  */ 
-USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev, USBD_DescriptorsTypeDef *pdesc, uint8_t id);
-USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev);
-USBD_StatusTypeDef USBD_Start  (USBD_HandleTypeDef *pdev);
-USBD_StatusTypeDef USBD_Stop   (USBD_HandleTypeDef *pdev);
-USBD_StatusTypeDef USBD_RegisterClass(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass);
-
-USBD_StatusTypeDef USBD_RunTestMode (USBD_HandleTypeDef  *pdev); 
-USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef  *pdev, uint8_t cfgidx);
-USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef  *pdev, uint8_t cfgidx);
-
-USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup);
-USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev , uint8_t epnum, uint8_t *pdata);
-USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev , uint8_t epnum, uint8_t *pdata);
-
-USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef  *pdev);
-USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef  *pdev, USBD_SpeedTypeDef speed);
-USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef  *pdev);
-USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef  *pdev);
-
-USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef  *pdev);
-USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum);
-USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum);
-
-USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef  *pdev);
-USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef  *pdev);
-
-/* USBD Low Level Driver */
-USBD_StatusTypeDef  USBD_LL_Init (USBD_HandleTypeDef *pdev);
-USBD_StatusTypeDef  USBD_LL_DeInit (USBD_HandleTypeDef *pdev);
-USBD_StatusTypeDef  USBD_LL_Start(USBD_HandleTypeDef *pdev);
-USBD_StatusTypeDef  USBD_LL_Stop (USBD_HandleTypeDef *pdev);
-USBD_StatusTypeDef  USBD_LL_OpenEP  (USBD_HandleTypeDef *pdev, 
-                                      uint8_t  ep_addr,                                      
-                                      uint8_t  ep_type,
-                                      uint16_t ep_mps);
-
-USBD_StatusTypeDef  USBD_LL_CloseEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr);   
-USBD_StatusTypeDef  USBD_LL_FlushEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr);   
-USBD_StatusTypeDef  USBD_LL_StallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr);   
-USBD_StatusTypeDef  USBD_LL_ClearStallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr);   
-uint8_t             USBD_LL_IsStallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr);   
-USBD_StatusTypeDef  USBD_LL_SetUSBAddress (USBD_HandleTypeDef *pdev, uint8_t dev_addr);   
-USBD_StatusTypeDef  USBD_LL_Transmit (USBD_HandleTypeDef *pdev, 
-                                      uint8_t  ep_addr,                                      
-                                      uint8_t  *pbuf,
-                                      uint16_t  size);
-
-USBD_StatusTypeDef  USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, 
-                                           uint8_t  ep_addr,                                      
-                                           uint8_t  *pbuf,
-                                           uint16_t  size);
-
-uint32_t USBD_LL_GetRxDataSize  (USBD_HandleTypeDef *pdev, uint8_t  ep_addr);  
-void  USBD_LL_Delay (uint32_t Delay);
-
-/**
-  * @}
-  */ 
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __USBD_CORE_H */
-
-/**
-  * @}
-  */ 
-
-/**
-* @}
-*/ 
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
-
-
diff --git a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h b/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h
deleted file mode 100644
index 66380fd..0000000
--- a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ctlreq.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usbd_req.h
-  * @author  MCD Application Team
-  * @version V2.4.2
-  * @date    11-December-2015
-  * @brief   Header file for the usbd_req.c file
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */ 
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __USB_REQUEST_H
-#define __USB_REQUEST_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include  "usbd_def.h"
-
-
-/** @addtogroup STM32_USB_DEVICE_LIBRARY
-  * @{
-  */
-  
-/** @defgroup USBD_REQ
-  * @brief header file for the usbd_req.c file
-  * @{
-  */ 
-
-/** @defgroup USBD_REQ_Exported_Defines
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_REQ_Exported_Types
-  * @{
-  */
-/**
-  * @}
-  */ 
-
-
-
-/** @defgroup USBD_REQ_Exported_Macros
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_REQ_Exported_Variables
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_REQ_Exported_FunctionsPrototype
-  * @{
-  */ 
-
-USBD_StatusTypeDef  USBD_StdDevReq (USBD_HandleTypeDef  *pdev, USBD_SetupReqTypedef  *req);
-USBD_StatusTypeDef  USBD_StdItfReq (USBD_HandleTypeDef  *pdev, USBD_SetupReqTypedef  *req);
-USBD_StatusTypeDef  USBD_StdEPReq  (USBD_HandleTypeDef  *pdev, USBD_SetupReqTypedef  *req);
-
-
-void USBD_CtlError  (USBD_HandleTypeDef  *pdev, USBD_SetupReqTypedef *req);
-
-void USBD_ParseSetupRequest (USBD_SetupReqTypedef *req, uint8_t *pdata);
-
-void USBD_GetString         (uint8_t *desc, uint8_t *unicode, uint16_t *len);
-/**
-  * @}
-  */ 
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __USB_REQUEST_H */
-
-/**
-  * @}
-  */ 
-
-/**
-* @}
-*/ 
-
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h b/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h
deleted file mode 100644
index 969e324..0000000
--- a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_def.h
+++ /dev/null
@@ -1,330 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usbd_def.h
-  * @author  MCD Application Team
-  * @version V2.4.2
-  * @date    11-December-2015
-  * @brief   General defines for the usb device library 
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */ 
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __USBD_DEF_H
-#define __USBD_DEF_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_conf.h"
-
-/** @addtogroup STM32_USBD_DEVICE_LIBRARY
-  * @{
-  */
-  
-/** @defgroup USB_DEF
-  * @brief general defines for the usb device library file
-  * @{
-  */ 
-
-/** @defgroup USB_DEF_Exported_Defines
-  * @{
-  */ 
-
-#ifndef NULL
-#define NULL  0
-#endif
-
-
-#define  USB_LEN_DEV_QUALIFIER_DESC                     0x0A
-#define  USB_LEN_DEV_DESC                               0x12
-#define  USB_LEN_CFG_DESC                               0x09
-#define  USB_LEN_IF_DESC                                0x09
-#define  USB_LEN_EP_DESC                                0x07
-#define  USB_LEN_OTG_DESC                               0x03
-#define  USB_LEN_LANGID_STR_DESC                        0x04
-#define  USB_LEN_OTHER_SPEED_DESC_SIZ                   0x09
-
-#define  USBD_IDX_LANGID_STR                            0x00 
-#define  USBD_IDX_MFC_STR                               0x01 
-#define  USBD_IDX_PRODUCT_STR                           0x02
-#define  USBD_IDX_SERIAL_STR                            0x03 
-#define  USBD_IDX_CONFIG_STR                            0x04 
-#define  USBD_IDX_INTERFACE_STR                         0x05 
-
-#define  USB_REQ_TYPE_STANDARD                          0x00
-#define  USB_REQ_TYPE_CLASS                             0x20
-#define  USB_REQ_TYPE_VENDOR                            0x40
-#define  USB_REQ_TYPE_MASK                              0x60
-
-#define  USB_REQ_RECIPIENT_DEVICE                       0x00
-#define  USB_REQ_RECIPIENT_INTERFACE                    0x01
-#define  USB_REQ_RECIPIENT_ENDPOINT                     0x02
-#define  USB_REQ_RECIPIENT_MASK                         0x03
-
-#define  USB_REQ_GET_STATUS                             0x00
-#define  USB_REQ_CLEAR_FEATURE                          0x01
-#define  USB_REQ_SET_FEATURE                            0x03
-#define  USB_REQ_SET_ADDRESS                            0x05
-#define  USB_REQ_GET_DESCRIPTOR                         0x06
-#define  USB_REQ_SET_DESCRIPTOR                         0x07
-#define  USB_REQ_GET_CONFIGURATION                      0x08
-#define  USB_REQ_SET_CONFIGURATION                      0x09
-#define  USB_REQ_GET_INTERFACE                          0x0A
-#define  USB_REQ_SET_INTERFACE                          0x0B
-#define  USB_REQ_SYNCH_FRAME                            0x0C
-
-#define  USB_DESC_TYPE_DEVICE                              1
-#define  USB_DESC_TYPE_CONFIGURATION                       2
-#define  USB_DESC_TYPE_STRING                              3
-#define  USB_DESC_TYPE_INTERFACE                           4
-#define  USB_DESC_TYPE_ENDPOINT                            5
-#define  USB_DESC_TYPE_DEVICE_QUALIFIER                    6
-#define  USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION           7
-#define  USB_DESC_TYPE_BOS                                 0x0F
-
-#define USB_CONFIG_REMOTE_WAKEUP                           2
-#define USB_CONFIG_SELF_POWERED                            1
-
-#define USB_FEATURE_EP_HALT                                0
-#define USB_FEATURE_REMOTE_WAKEUP                          1
-#define USB_FEATURE_TEST_MODE                              2
-
-#define USB_DEVICE_CAPABITY_TYPE                           0x10
-
-#define USB_HS_MAX_PACKET_SIZE                            512
-#define USB_FS_MAX_PACKET_SIZE                            64
-#define USB_MAX_EP0_SIZE                                  64
-
-/*  Device Status */
-#define USBD_STATE_DEFAULT                                1
-#define USBD_STATE_ADDRESSED                              2
-#define USBD_STATE_CONFIGURED                             3
-#define USBD_STATE_SUSPENDED                              4
-
-
-/*  EP0 State */    
-#define USBD_EP0_IDLE                                     0
-#define USBD_EP0_SETUP                                    1
-#define USBD_EP0_DATA_IN                                  2
-#define USBD_EP0_DATA_OUT                                 3
-#define USBD_EP0_STATUS_IN                                4
-#define USBD_EP0_STATUS_OUT                               5
-#define USBD_EP0_STALL                                    6    
-
-#define USBD_EP_TYPE_CTRL                                 0
-#define USBD_EP_TYPE_ISOC                                 1
-#define USBD_EP_TYPE_BULK                                 2
-#define USBD_EP_TYPE_INTR                                 3
-
-
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_DEF_Exported_TypesDefinitions
-  * @{
-  */
-
-typedef  struct  usb_setup_req 
-{
-    
-    uint8_t   bmRequest;                      
-    uint8_t   bRequest;                           
-    uint16_t  wValue;                             
-    uint16_t  wIndex;                             
-    uint16_t  wLength;                            
-}USBD_SetupReqTypedef;
-
-struct _USBD_HandleTypeDef;
-    
-typedef struct _Device_cb
-{
-  uint8_t  (*Init)             (struct _USBD_HandleTypeDef *pdev , uint8_t cfgidx);
-  uint8_t  (*DeInit)           (struct _USBD_HandleTypeDef *pdev , uint8_t cfgidx);
- /* Control Endpoints*/
-  uint8_t  (*Setup)            (struct _USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef  *req);  
-  uint8_t  (*EP0_TxSent)       (struct _USBD_HandleTypeDef *pdev );    
-  uint8_t  (*EP0_RxReady)      (struct _USBD_HandleTypeDef *pdev );  
-  /* Class Specific Endpoints*/
-  uint8_t  (*DataIn)           (struct _USBD_HandleTypeDef *pdev , uint8_t epnum);   
-  uint8_t  (*DataOut)          (struct _USBD_HandleTypeDef *pdev , uint8_t epnum); 
-  uint8_t  (*SOF)              (struct _USBD_HandleTypeDef *pdev); 
-  uint8_t  (*IsoINIncomplete)  (struct _USBD_HandleTypeDef *pdev , uint8_t epnum); 
-  uint8_t  (*IsoOUTIncomplete) (struct _USBD_HandleTypeDef *pdev , uint8_t epnum);   
-
-  uint8_t  *(*GetHSConfigDescriptor)(uint16_t *length); 
-  uint8_t  *(*GetFSConfigDescriptor)(uint16_t *length);   
-  uint8_t  *(*GetOtherSpeedConfigDescriptor)(uint16_t *length);
-  uint8_t  *(*GetDeviceQualifierDescriptor)(uint16_t *length);
-#if (USBD_SUPPORT_USER_STRING == 1)
-  uint8_t  *(*GetUsrStrDescriptor)(struct _USBD_HandleTypeDef *pdev ,uint8_t index,  uint16_t *length);   
-#endif  
-  
-} USBD_ClassTypeDef;
-
-/* Following USB Device Speed */
-typedef enum 
-{
-  USBD_SPEED_HIGH  = 0,
-  USBD_SPEED_FULL  = 1,
-  USBD_SPEED_LOW   = 2,  
-}USBD_SpeedTypeDef;
-
-/* Following USB Device status */
-typedef enum {
-  USBD_OK   = 0,
-  USBD_BUSY,
-  USBD_FAIL,
-}USBD_StatusTypeDef;
-
-/* USB Device descriptors structure */
-typedef struct
-{
-  uint8_t  *(*GetDeviceDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
-  uint8_t  *(*GetLangIDStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length); 
-  uint8_t  *(*GetManufacturerStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
-  uint8_t  *(*GetProductStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
-  uint8_t  *(*GetSerialStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
-  uint8_t  *(*GetConfigurationStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length);  
-  uint8_t  *(*GetInterfaceStrDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length); 
-#if (USBD_LPM_ENABLED == 1)
-  uint8_t  *(*GetBOSDescriptor)( USBD_SpeedTypeDef speed , uint16_t *length); 
-#endif  
-} USBD_DescriptorsTypeDef;
-
-/* USB Device handle structure */
-typedef struct
-{ 
-  uint32_t                status;
-  uint32_t                total_length;    
-  uint32_t                rem_length; 
-  uint32_t                maxpacket;   
-} USBD_EndpointTypeDef;
-
-/* USB Device handle structure */
-typedef struct _USBD_HandleTypeDef
-{
-  uint8_t                 id;
-  uint32_t                dev_config;
-  uint32_t                dev_default_config;
-  uint32_t                dev_config_status; 
-  USBD_SpeedTypeDef       dev_speed; 
-  USBD_EndpointTypeDef    ep_in[15];
-  USBD_EndpointTypeDef    ep_out[15];  
-  uint32_t                ep0_state;  
-  uint32_t                ep0_data_len;     
-  uint8_t                 dev_state;
-  uint8_t                 dev_old_state;
-  uint8_t                 dev_address;
-  uint8_t                 dev_connection_status;  
-  uint8_t                 dev_test_mode;
-  uint32_t                dev_remote_wakeup;
-
-  USBD_SetupReqTypedef    request;
-  USBD_DescriptorsTypeDef *pDesc;
-  USBD_ClassTypeDef       *pClass;
-  void                    *pClassData;  
-  void                    *pUserData;    
-  void                    *pData;    
-} USBD_HandleTypeDef;
-
-/**
-  * @}
-  */ 
-
-
-
-/** @defgroup USBD_DEF_Exported_Macros
-  * @{
-  */ 
-#define  SWAPBYTE(addr)        (((uint16_t)(*((uint8_t *)(addr)))) + \
-                               (((uint16_t)(*(((uint8_t *)(addr)) + 1))) << 8))
-
-#define LOBYTE(x)  ((uint8_t)(x & 0x00FF))
-#define HIBYTE(x)  ((uint8_t)((x & 0xFF00) >>8))
-#define MIN(a, b)  (((a) < (b)) ? (a) : (b))
-#define MAX(a, b)  (((a) > (b)) ? (a) : (b))
-
-
-#if  defined ( __GNUC__ )
-  #ifndef __weak
-    #define __weak   __attribute__((weak))
-  #endif /* __weak */
-  #ifndef __packed
-    #define __packed __attribute__((__packed__))
-  #endif /* __packed */
-#endif /* __GNUC__ */
-
-
-/* In HS mode and when the DMA is used, all variables and data structures dealing
-   with the DMA during the transaction process should be 4-bytes aligned */    
-
-#if defined   (__GNUC__)        /* GNU Compiler */
-  #define __ALIGN_END    __attribute__ ((aligned (4)))
-  #define __ALIGN_BEGIN         
-#else                           
-  #define __ALIGN_END
-  #if defined   (__CC_ARM)      /* ARM Compiler */
-    #define __ALIGN_BEGIN    __align(4)  
-  #elif defined (__ICCARM__)    /* IAR Compiler */
-    #define __ALIGN_BEGIN 
-  #elif defined  (__TASKING__)  /* TASKING Compiler */
-    #define __ALIGN_BEGIN    __align(4) 
-  #endif /* __CC_ARM */  
-#endif /* __GNUC__ */ 
-  
-
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_DEF_Exported_Variables
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_DEF_Exported_FunctionsPrototype
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __USBD_DEF_H */
-
-/**
-  * @}
-  */ 
-
-/**
-* @}
-*/ 
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h b/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h
deleted file mode 100644
index dbf8ca1..0000000
--- a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Inc/usbd_ioreq.h
+++ /dev/null
@@ -1,128 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usbd_ioreq.h
-  * @author  MCD Application Team
-  * @version V2.4.2
-  * @date    11-December-2015
-  * @brief   Header file for the usbd_ioreq.c file
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */ 
-
-/* Define to prevent recursive inclusion -------------------------------------*/
-#ifndef __USBD_IOREQ_H
-#define __USBD_IOREQ_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/* Includes ------------------------------------------------------------------*/
-#include  "usbd_def.h"
-#include  "usbd_core.h"
-
-/** @addtogroup STM32_USB_DEVICE_LIBRARY
-  * @{
-  */
-  
-/** @defgroup USBD_IOREQ
-  * @brief header file for the usbd_ioreq.c file
-  * @{
-  */ 
-
-/** @defgroup USBD_IOREQ_Exported_Defines
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_IOREQ_Exported_Types
-  * @{
-  */
-
-
-/**
-  * @}
-  */ 
-
-
-
-/** @defgroup USBD_IOREQ_Exported_Macros
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_IOREQ_Exported_Variables
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-/** @defgroup USBD_IOREQ_Exported_FunctionsPrototype
-  * @{
-  */ 
-
-USBD_StatusTypeDef  USBD_CtlSendData (USBD_HandleTypeDef  *pdev, 
-                               uint8_t *buf,
-                               uint16_t len);
-
-USBD_StatusTypeDef  USBD_CtlContinueSendData (USBD_HandleTypeDef  *pdev, 
-                               uint8_t *pbuf,
-                               uint16_t len);
-
-USBD_StatusTypeDef USBD_CtlPrepareRx (USBD_HandleTypeDef  *pdev, 
-                               uint8_t *pbuf,                                 
-                               uint16_t len);
-
-USBD_StatusTypeDef  USBD_CtlContinueRx (USBD_HandleTypeDef  *pdev, 
-                              uint8_t *pbuf,                                          
-                              uint16_t len);
-
-USBD_StatusTypeDef  USBD_CtlSendStatus (USBD_HandleTypeDef  *pdev);
-
-USBD_StatusTypeDef  USBD_CtlReceiveStatus (USBD_HandleTypeDef  *pdev);
-
-uint16_t  USBD_GetRxCount (USBD_HandleTypeDef  *pdev , 
-                           uint8_t epnum);
-
-/**
-  * @}
-  */ 
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __USBD_IOREQ_H */
-
-/**
-  * @}
-  */ 
-
-/**
-* @}
-*/ 
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c b/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c
deleted file mode 100644
index 86fc2de..0000000
--- a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c
+++ /dev/null
@@ -1,565 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usbd_core.c
-  * @author  MCD Application Team
-  * @version V2.4.2
-  * @date    11-December-2015
-  * @brief   This file provides all the USBD core functions.
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */ 
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_core.h"
-
-/** @addtogroup STM32_USBD_DEVICE_LIBRARY
-* @{
-*/
-
-
-/** @defgroup USBD_CORE 
-* @brief usbd core module
-* @{
-*/ 
-
-/** @defgroup USBD_CORE_Private_TypesDefinitions
-* @{
-*/ 
-/**
-* @}
-*/ 
-
-
-/** @defgroup USBD_CORE_Private_Defines
-* @{
-*/ 
-
-/**
-* @}
-*/ 
-
-
-/** @defgroup USBD_CORE_Private_Macros
-* @{
-*/ 
-/**
-* @}
-*/ 
-
-
-
-
-/** @defgroup USBD_CORE_Private_FunctionPrototypes
-* @{
-*/ 
-
-/**
-* @}
-*/ 
-
-/** @defgroup USBD_CORE_Private_Variables
-* @{
-*/ 
-
-/**
-* @}
-*/ 
-
-/** @defgroup USBD_CORE_Private_Functions
-* @{
-*/ 
-
-/**
-* @brief  USBD_Init
-*         Initializes the device stack and load the class driver
-* @param  pdev: device instance
-* @param  pdesc: Descriptor structure address
-* @param  id: Low level core index
-* @retval None
-*/
-USBD_StatusTypeDef USBD_Init(USBD_HandleTypeDef *pdev, USBD_DescriptorsTypeDef *pdesc, uint8_t id)
-{
-  /* Check whether the USB Host handle is valid */
-  if(pdev == NULL)
-  {
-    USBD_ErrLog("Invalid Device handle");
-    return USBD_FAIL; 
-  }
-  
-  /* Unlink previous class*/
-  if(pdev->pClass != NULL)
-  {
-    pdev->pClass = NULL;
-  }
-  
-  /* Assign USBD Descriptors */
-  if(pdesc != NULL)
-  {
-    pdev->pDesc = pdesc;
-  }
-  
-  /* Set Device initial State */
-  pdev->dev_state  = USBD_STATE_DEFAULT;
-  pdev->id = id;
-  /* Initialize low level driver */
-  USBD_LL_Init(pdev);
-  
-  return USBD_OK; 
-}
-
-/**
-* @brief  USBD_DeInit 
-*         Re-Initialize th device library
-* @param  pdev: device instance
-* @retval status: status
-*/
-USBD_StatusTypeDef USBD_DeInit(USBD_HandleTypeDef *pdev)
-{
-  /* Set Default State */
-  pdev->dev_state  = USBD_STATE_DEFAULT;
-  
-  /* Free Class Resources */
-  pdev->pClass->DeInit(pdev, pdev->dev_config);  
-  
-    /* Stop the low level driver  */
-  USBD_LL_Stop(pdev); 
-  
-  /* Initialize low level driver */
-  USBD_LL_DeInit(pdev);
-  
-  return USBD_OK;
-}
-
-
-/**
-  * @brief  USBD_RegisterClass 
-  *         Link class driver to Device Core.
-  * @param  pDevice : Device Handle
-  * @param  pclass: Class handle
-  * @retval USBD Status
-  */
-USBD_StatusTypeDef  USBD_RegisterClass(USBD_HandleTypeDef *pdev, USBD_ClassTypeDef *pclass)
-{
-  USBD_StatusTypeDef   status = USBD_OK;
-  if(pclass != 0)
-  {
-    /* link the class to the USB Device handle */
-    pdev->pClass = pclass;
-    status = USBD_OK;
-  }
-  else
-  {
-    USBD_ErrLog("Invalid Class handle");
-    status = USBD_FAIL; 
-  }
-  
-  return status;
-}
-
-/**
-  * @brief  USBD_Start 
-  *         Start the USB Device Core.
-  * @param  pdev: Device Handle
-  * @retval USBD Status
-  */
-USBD_StatusTypeDef  USBD_Start  (USBD_HandleTypeDef *pdev)
-{
-  
-  /* Start the low level driver  */
-  USBD_LL_Start(pdev); 
-  
-  return USBD_OK;  
-}
-
-/**
-  * @brief  USBD_Stop 
-  *         Stop the USB Device Core.
-  * @param  pdev: Device Handle
-  * @retval USBD Status
-  */
-USBD_StatusTypeDef  USBD_Stop   (USBD_HandleTypeDef *pdev)
-{
-  /* Free Class Resources */
-  pdev->pClass->DeInit(pdev, pdev->dev_config);  
-
-  /* Stop the low level driver  */
-  USBD_LL_Stop(pdev); 
-  
-  return USBD_OK;  
-}
-
-/**
-* @brief  USBD_RunTestMode 
-*         Launch test mode process
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_RunTestMode (USBD_HandleTypeDef  *pdev) 
-{
-  return USBD_OK;
-}
-
-
-/**
-* @brief  USBD_SetClassConfig 
-*        Configure device and start the interface
-* @param  pdev: device instance
-* @param  cfgidx: configuration index
-* @retval status
-*/
-
-USBD_StatusTypeDef USBD_SetClassConfig(USBD_HandleTypeDef  *pdev, uint8_t cfgidx)
-{
-  USBD_StatusTypeDef   ret = USBD_FAIL;
-  
-  if(pdev->pClass != NULL)
-  {
-    /* Set configuration  and Start the Class*/
-    if(pdev->pClass->Init(pdev, cfgidx) == 0)
-    {
-      ret = USBD_OK;
-    }
-  }
-  return ret; 
-}
-
-/**
-* @brief  USBD_ClrClassConfig 
-*         Clear current configuration
-* @param  pdev: device instance
-* @param  cfgidx: configuration index
-* @retval status: USBD_StatusTypeDef
-*/
-USBD_StatusTypeDef USBD_ClrClassConfig(USBD_HandleTypeDef  *pdev, uint8_t cfgidx)
-{
-  /* Clear configuration  and De-initialize the Class process*/
-  pdev->pClass->DeInit(pdev, cfgidx);  
-  return USBD_OK;
-}
-
-
-/**
-* @brief  USBD_SetupStage 
-*         Handle the setup stage
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_SetupStage(USBD_HandleTypeDef *pdev, uint8_t *psetup)
-{
-
-  USBD_ParseSetupRequest(&pdev->request, psetup);
-  
-  pdev->ep0_state = USBD_EP0_SETUP;
-  pdev->ep0_data_len = pdev->request.wLength;
-  
-  switch (pdev->request.bmRequest & 0x1F) 
-  {
-  case USB_REQ_RECIPIENT_DEVICE:   
-    USBD_StdDevReq (pdev, &pdev->request);
-    break;
-    
-  case USB_REQ_RECIPIENT_INTERFACE:     
-    USBD_StdItfReq(pdev, &pdev->request);
-    break;
-    
-  case USB_REQ_RECIPIENT_ENDPOINT:        
-    USBD_StdEPReq(pdev, &pdev->request);   
-    break;
-    
-  default:           
-    USBD_LL_StallEP(pdev , pdev->request.bmRequest & 0x80);
-    break;
-  }  
-  return USBD_OK;  
-}
-
-/**
-* @brief  USBD_DataOutStage 
-*         Handle data OUT stage
-* @param  pdev: device instance
-* @param  epnum: endpoint index
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_DataOutStage(USBD_HandleTypeDef *pdev , uint8_t epnum, uint8_t *pdata)
-{
-  USBD_EndpointTypeDef    *pep;
-  
-  if(epnum == 0) 
-  {
-    pep = &pdev->ep_out[0];
-    
-    if ( pdev->ep0_state == USBD_EP0_DATA_OUT)
-    {
-      if(pep->rem_length > pep->maxpacket)
-      {
-        pep->rem_length -=  pep->maxpacket;
-       
-        USBD_CtlContinueRx (pdev, 
-                            pdata,
-                            MIN(pep->rem_length ,pep->maxpacket));
-      }
-      else
-      {
-        if((pdev->pClass->EP0_RxReady != NULL)&&
-           (pdev->dev_state == USBD_STATE_CONFIGURED))
-        {
-          pdev->pClass->EP0_RxReady(pdev); 
-        }
-        USBD_CtlSendStatus(pdev);
-      }
-    }
-  }
-  else if((pdev->pClass->DataOut != NULL)&&
-          (pdev->dev_state == USBD_STATE_CONFIGURED))
-  {
-    pdev->pClass->DataOut(pdev, epnum); 
-  }  
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_DataInStage 
-*         Handle data in stage
-* @param  pdev: device instance
-* @param  epnum: endpoint index
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_DataInStage(USBD_HandleTypeDef *pdev ,uint8_t epnum, uint8_t *pdata)
-{
-  USBD_EndpointTypeDef    *pep;
-    
-  if(epnum == 0) 
-  {
-    pep = &pdev->ep_in[0];
-    
-    if ( pdev->ep0_state == USBD_EP0_DATA_IN)
-    {
-      if(pep->rem_length > pep->maxpacket)
-      {
-        pep->rem_length -=  pep->maxpacket;
-        
-        USBD_CtlContinueSendData (pdev, 
-                                  pdata, 
-                                  pep->rem_length);
-        
-        /* Prepare endpoint for premature end of transfer */
-        USBD_LL_PrepareReceive (pdev,
-                                0,
-                                NULL,
-                                0);  
-      }
-      else
-      { /* last packet is MPS multiple, so send ZLP packet */
-        if((pep->total_length % pep->maxpacket == 0) &&
-           (pep->total_length >= pep->maxpacket) &&
-             (pep->total_length < pdev->ep0_data_len ))
-        {
-          
-          USBD_CtlContinueSendData(pdev , NULL, 0);
-          pdev->ep0_data_len = 0;
-          
-        /* Prepare endpoint for premature end of transfer */
-        USBD_LL_PrepareReceive (pdev,
-                                0,
-                                NULL,
-                                0);
-        }
-        else
-        {
-          if((pdev->pClass->EP0_TxSent != NULL)&&
-             (pdev->dev_state == USBD_STATE_CONFIGURED))
-          {
-            pdev->pClass->EP0_TxSent(pdev); 
-          }          
-          USBD_CtlReceiveStatus(pdev);
-        }
-      }
-    }
-    if (pdev->dev_test_mode == 1)
-    {
-      USBD_RunTestMode(pdev); 
-      pdev->dev_test_mode = 0;
-    }
-  }
-  else if((pdev->pClass->DataIn != NULL)&& 
-          (pdev->dev_state == USBD_STATE_CONFIGURED))
-  {
-    pdev->pClass->DataIn(pdev, epnum); 
-  }  
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_LL_Reset 
-*         Handle Reset event
-* @param  pdev: device instance
-* @retval status
-*/
-
-USBD_StatusTypeDef USBD_LL_Reset(USBD_HandleTypeDef  *pdev)
-{
-  /* Open EP0 OUT */
-  USBD_LL_OpenEP(pdev,
-              0x00,
-              USBD_EP_TYPE_CTRL,
-              USB_MAX_EP0_SIZE);
-  
-  pdev->ep_out[0].maxpacket = USB_MAX_EP0_SIZE;
-  
-  /* Open EP0 IN */
-  USBD_LL_OpenEP(pdev,
-              0x80,
-              USBD_EP_TYPE_CTRL,
-              USB_MAX_EP0_SIZE);
-  
-  pdev->ep_in[0].maxpacket = USB_MAX_EP0_SIZE;
-  /* Upon Reset call user call back */
-  pdev->dev_state = USBD_STATE_DEFAULT;
-  
-  if (pdev->pClassData) 
-    pdev->pClass->DeInit(pdev, pdev->dev_config);  
- 
-  
-  return USBD_OK;
-}
-
-
-
-
-/**
-* @brief  USBD_LL_Reset 
-*         Handle Reset event
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_SetSpeed(USBD_HandleTypeDef  *pdev, USBD_SpeedTypeDef speed)
-{
-  pdev->dev_speed = speed;
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_Suspend 
-*         Handle Suspend event
-* @param  pdev: device instance
-* @retval status
-*/
-
-USBD_StatusTypeDef USBD_LL_Suspend(USBD_HandleTypeDef  *pdev)
-{
-  pdev->dev_old_state =  pdev->dev_state;
-  pdev->dev_state  = USBD_STATE_SUSPENDED;
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_Resume 
-*         Handle Resume event
-* @param  pdev: device instance
-* @retval status
-*/
-
-USBD_StatusTypeDef USBD_LL_Resume(USBD_HandleTypeDef  *pdev)
-{
-  pdev->dev_state = pdev->dev_old_state;  
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_SOF 
-*         Handle SOF event
-* @param  pdev: device instance
-* @retval status
-*/
-
-USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef  *pdev)
-{
-  if(pdev->dev_state == USBD_STATE_CONFIGURED)
-  {
-    if(pdev->pClass->SOF != NULL)
-    {
-      pdev->pClass->SOF(pdev);
-    }
-  }
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_IsoINIncomplete 
-*         Handle iso in incomplete event
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_IsoINIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
-{
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_IsoOUTIncomplete 
-*         Handle iso out incomplete event
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_IsoOUTIncomplete(USBD_HandleTypeDef  *pdev, uint8_t epnum)
-{
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_DevConnected 
-*         Handle device connection event
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_DevConnected(USBD_HandleTypeDef  *pdev)
-{
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_DevDisconnected 
-*         Handle device disconnection event
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef USBD_LL_DevDisconnected(USBD_HandleTypeDef  *pdev)
-{
-  /* Free Class Resources */
-  pdev->dev_state = USBD_STATE_DEFAULT;
-  pdev->pClass->DeInit(pdev, pdev->dev_config);  
-   
-  return USBD_OK;
-}
-/**
-* @}
-*/ 
-
-
-/**
-* @}
-*/ 
-
-
-/**
-* @}
-*/ 
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
diff --git a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c b/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c
deleted file mode 100644
index 7701a6d..0000000
--- a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c
+++ /dev/null
@@ -1,782 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usbd_req.c
-  * @author  MCD Application Team
-  * @version V2.4.2
-  * @date    11-December-2015 
-  * @brief   This file provides the standard USB requests following chapter 9.
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */ 
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_ctlreq.h"
-#include "usbd_ioreq.h"
-
-
-/** @addtogroup STM32_USBD_STATE_DEVICE_LIBRARY
-  * @{
-  */
-
-
-/** @defgroup USBD_REQ 
-  * @brief USB standard requests module
-  * @{
-  */ 
-
-/** @defgroup USBD_REQ_Private_TypesDefinitions
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_REQ_Private_Defines
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_REQ_Private_Macros
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_REQ_Private_Variables
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_REQ_Private_FunctionPrototypes
-  * @{
-  */ 
-static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev , 
-                               USBD_SetupReqTypedef *req);
-
-static void USBD_SetAddress(USBD_HandleTypeDef *pdev , 
-                            USBD_SetupReqTypedef *req);
-
-static void USBD_SetConfig(USBD_HandleTypeDef *pdev , 
-                           USBD_SetupReqTypedef *req);
-
-static void USBD_GetConfig(USBD_HandleTypeDef *pdev , 
-                           USBD_SetupReqTypedef *req);
-
-static void USBD_GetStatus(USBD_HandleTypeDef *pdev , 
-                           USBD_SetupReqTypedef *req);
-
-static void USBD_SetFeature(USBD_HandleTypeDef *pdev , 
-                            USBD_SetupReqTypedef *req);
-
-static void USBD_ClrFeature(USBD_HandleTypeDef *pdev , 
-                            USBD_SetupReqTypedef *req);
-
-static uint8_t USBD_GetLen(uint8_t *buf);
-
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_REQ_Private_Functions
-  * @{
-  */ 
-
-
-/**
-* @brief  USBD_StdDevReq
-*         Handle standard usb device requests
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_StdDevReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef  *req)
-{
-  USBD_StatusTypeDef ret = USBD_OK;  
-  
-  switch (req->bRequest) 
-  {
-  case USB_REQ_GET_DESCRIPTOR: 
-    
-    USBD_GetDescriptor (pdev, req) ;
-    break;
-    
-  case USB_REQ_SET_ADDRESS:                      
-    USBD_SetAddress(pdev, req);
-    break;
-    
-  case USB_REQ_SET_CONFIGURATION:                    
-    USBD_SetConfig (pdev , req);
-    break;
-    
-  case USB_REQ_GET_CONFIGURATION:                 
-    USBD_GetConfig (pdev , req);
-    break;
-    
-  case USB_REQ_GET_STATUS:                                  
-    USBD_GetStatus (pdev , req);
-    break;
-    
-    
-  case USB_REQ_SET_FEATURE:   
-    USBD_SetFeature (pdev , req);    
-    break;
-    
-  case USB_REQ_CLEAR_FEATURE:                                   
-    USBD_ClrFeature (pdev , req);
-    break;
-    
-  default:  
-    USBD_CtlError(pdev , req);
-    break;
-  }
-  
-  return ret;
-}
-
-/**
-* @brief  USBD_StdItfReq
-*         Handle standard usb interface requests
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_StdItfReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef  *req)
-{
-  USBD_StatusTypeDef ret = USBD_OK; 
-  
-  switch (pdev->dev_state) 
-  {
-  case USBD_STATE_CONFIGURED:
-    
-    if (LOBYTE(req->wIndex) <= USBD_MAX_NUM_INTERFACES) 
-    {
-      pdev->pClass->Setup (pdev, req); 
-      
-      if((req->wLength == 0)&& (ret == USBD_OK))
-      {
-         USBD_CtlSendStatus(pdev);
-      }
-    } 
-    else 
-    {                                               
-       USBD_CtlError(pdev , req);
-    }
-    break;
-    
-  default:
-     USBD_CtlError(pdev , req);
-    break;
-  }
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_StdEPReq
-*         Handle standard usb endpoint requests
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_StdEPReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef  *req)
-{
-  
-  uint8_t   ep_addr;
-  USBD_StatusTypeDef ret = USBD_OK; 
-  USBD_EndpointTypeDef   *pep;
-  ep_addr  = LOBYTE(req->wIndex);   
-  
-  /* Check if it is a class request */
-  if ((req->bmRequest & 0x60) == 0x20)
-  {
-    pdev->pClass->Setup (pdev, req);
-    
-    return USBD_OK;
-  }
-  
-  switch (req->bRequest) 
-  {
-    
-  case USB_REQ_SET_FEATURE :
-    
-    switch (pdev->dev_state) 
-    {
-    case USBD_STATE_ADDRESSED:          
-      if ((ep_addr != 0x00) && (ep_addr != 0x80)) 
-      {
-        USBD_LL_StallEP(pdev , ep_addr);
-      }
-      break;	
-      
-    case USBD_STATE_CONFIGURED:   
-      if (req->wValue == USB_FEATURE_EP_HALT)
-      {
-        if ((ep_addr != 0x00) && (ep_addr != 0x80)) 
-        { 
-          USBD_LL_StallEP(pdev , ep_addr);
-          
-        }
-      }
-      pdev->pClass->Setup (pdev, req);   
-      USBD_CtlSendStatus(pdev);
-      
-      break;
-      
-    default:                         
-      USBD_CtlError(pdev , req);
-      break;    
-    }
-    break;
-    
-  case USB_REQ_CLEAR_FEATURE :
-    
-    switch (pdev->dev_state) 
-    {
-    case USBD_STATE_ADDRESSED:          
-      if ((ep_addr != 0x00) && (ep_addr != 0x80)) 
-      {
-        USBD_LL_StallEP(pdev , ep_addr);
-      }
-      break;	
-      
-    case USBD_STATE_CONFIGURED:   
-      if (req->wValue == USB_FEATURE_EP_HALT)
-      {
-        if ((ep_addr & 0x7F) != 0x00) 
-        {        
-          USBD_LL_ClearStallEP(pdev , ep_addr);
-          pdev->pClass->Setup (pdev, req);
-        }
-        USBD_CtlSendStatus(pdev);
-      }
-      break;
-      
-    default:                         
-      USBD_CtlError(pdev , req);
-      break;    
-    }
-    break;
-    
-  case USB_REQ_GET_STATUS:                  
-    switch (pdev->dev_state) 
-    {
-    case USBD_STATE_ADDRESSED:          
-      if ((ep_addr & 0x7F) != 0x00) 
-      {
-        USBD_LL_StallEP(pdev , ep_addr);
-      }
-      break;	
-      
-    case USBD_STATE_CONFIGURED:
-      pep = ((ep_addr & 0x80) == 0x80) ? &pdev->ep_in[ep_addr & 0x7F]:\
-                                         &pdev->ep_out[ep_addr & 0x7F];
-      if(USBD_LL_IsStallEP(pdev, ep_addr))
-      {
-        pep->status = 0x0001;     
-      }
-      else
-      {
-        pep->status = 0x0000;  
-      }
-      
-      USBD_CtlSendData (pdev,
-                        (uint8_t *)&pep->status,
-                        2);
-      break;
-      
-    default:                         
-      USBD_CtlError(pdev , req);
-      break;
-    }
-    break;
-    
-  default:
-    break;
-  }
-  return ret;
-}
-/**
-* @brief  USBD_GetDescriptor
-*         Handle Get Descriptor requests
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev , 
-                               USBD_SetupReqTypedef *req)
-{
-  uint16_t len;
-  uint8_t *pbuf;
-  
-    
-  switch (req->wValue >> 8)
-  { 
-#if (USBD_LPM_ENABLED == 1)
-  case USB_DESC_TYPE_BOS:
-    pbuf = pdev->pDesc->GetBOSDescriptor(pdev->dev_speed, &len);
-    break;
-#endif    
-  case USB_DESC_TYPE_DEVICE:
-    pbuf = pdev->pDesc->GetDeviceDescriptor(pdev->dev_speed, &len);
-    break;
-    
-  case USB_DESC_TYPE_CONFIGURATION:     
-    if(pdev->dev_speed == USBD_SPEED_HIGH )   
-    {
-      pbuf   = (uint8_t *)pdev->pClass->GetHSConfigDescriptor(&len);
-      pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
-    }
-    else
-    {
-      pbuf   = (uint8_t *)pdev->pClass->GetFSConfigDescriptor(&len);
-      pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
-    }
-    break;
-    
-  case USB_DESC_TYPE_STRING:
-    switch ((uint8_t)(req->wValue))
-    {
-    case USBD_IDX_LANGID_STR:
-     pbuf = pdev->pDesc->GetLangIDStrDescriptor(pdev->dev_speed, &len);        
-      break;
-      
-    case USBD_IDX_MFC_STR:
-      pbuf = pdev->pDesc->GetManufacturerStrDescriptor(pdev->dev_speed, &len);
-      break;
-      
-    case USBD_IDX_PRODUCT_STR:
-      pbuf = pdev->pDesc->GetProductStrDescriptor(pdev->dev_speed, &len);
-      break;
-      
-    case USBD_IDX_SERIAL_STR:
-      pbuf = pdev->pDesc->GetSerialStrDescriptor(pdev->dev_speed, &len);
-      break;
-      
-    case USBD_IDX_CONFIG_STR:
-      pbuf = pdev->pDesc->GetConfigurationStrDescriptor(pdev->dev_speed, &len);
-      break;
-      
-    case USBD_IDX_INTERFACE_STR:
-      pbuf = pdev->pDesc->GetInterfaceStrDescriptor(pdev->dev_speed, &len);
-      break;
-      
-    default:
-#if (USBD_SUPPORT_USER_STRING == 1)
-      pbuf = pdev->pClass->GetUsrStrDescriptor(pdev, (req->wValue) , &len);
-      break;
-#else      
-       USBD_CtlError(pdev , req);
-      return;
-#endif   
-    }
-    break;
-  case USB_DESC_TYPE_DEVICE_QUALIFIER:                   
-
-    if(pdev->dev_speed == USBD_SPEED_HIGH  )   
-    {
-      pbuf   = (uint8_t *)pdev->pClass->GetDeviceQualifierDescriptor(&len);
-      break;
-    }
-    else
-    {
-      USBD_CtlError(pdev , req);
-      return;
-    } 
-
-  case USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION:
-    if(pdev->dev_speed == USBD_SPEED_HIGH  )   
-    {
-      pbuf   = (uint8_t *)pdev->pClass->GetOtherSpeedConfigDescriptor(&len);
-      pbuf[1] = USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION;
-      break; 
-    }
-    else
-    {
-      USBD_CtlError(pdev , req);
-      return;
-    }
-
-  default: 
-     USBD_CtlError(pdev , req);
-    return;
-  }
-  
-  if((len != 0)&& (req->wLength != 0))
-  {
-    
-    len = MIN(len , req->wLength);
-    
-    USBD_CtlSendData (pdev, 
-                      pbuf,
-                      len);
-  }
-  
-}
-
-/**
-* @brief  USBD_SetAddress
-*         Set device address
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-static void USBD_SetAddress(USBD_HandleTypeDef *pdev , 
-                            USBD_SetupReqTypedef *req)
-{
-  uint8_t  dev_addr; 
-  
-  if ((req->wIndex == 0) && (req->wLength == 0)) 
-  {
-    dev_addr = (uint8_t)(req->wValue) & 0x7F;     
-    
-    if (pdev->dev_state == USBD_STATE_CONFIGURED) 
-    {
-      USBD_CtlError(pdev , req);
-    } 
-    else 
-    {
-      pdev->dev_address = dev_addr;
-      USBD_LL_SetUSBAddress(pdev, dev_addr);               
-      USBD_CtlSendStatus(pdev);                         
-      
-      if (dev_addr != 0) 
-      {
-        pdev->dev_state  = USBD_STATE_ADDRESSED;
-      } 
-      else 
-      {
-        pdev->dev_state  = USBD_STATE_DEFAULT; 
-      }
-    }
-  } 
-  else 
-  {
-     USBD_CtlError(pdev , req);                        
-  } 
-}
-
-/**
-* @brief  USBD_SetConfig
-*         Handle Set device configuration request
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-static void USBD_SetConfig(USBD_HandleTypeDef *pdev , 
-                           USBD_SetupReqTypedef *req)
-{
-  
-  static uint8_t  cfgidx;
-  
-  cfgidx = (uint8_t)(req->wValue);                 
-  
-  if (cfgidx > USBD_MAX_NUM_CONFIGURATION ) 
-  {            
-     USBD_CtlError(pdev , req);                              
-  } 
-  else 
-  {
-    switch (pdev->dev_state) 
-    {
-    case USBD_STATE_ADDRESSED:
-      if (cfgidx) 
-      {                                			   							   							   				
-        pdev->dev_config = cfgidx;
-        pdev->dev_state = USBD_STATE_CONFIGURED;
-        if(USBD_SetClassConfig(pdev , cfgidx) == USBD_FAIL)
-        {
-          USBD_CtlError(pdev , req);  
-          return;
-        }
-        USBD_CtlSendStatus(pdev);
-      }
-      else 
-      {
-         USBD_CtlSendStatus(pdev);
-      }
-      break;
-      
-    case USBD_STATE_CONFIGURED:
-      if (cfgidx == 0) 
-      {                           
-        pdev->dev_state = USBD_STATE_ADDRESSED;
-        pdev->dev_config = cfgidx;          
-        USBD_ClrClassConfig(pdev , cfgidx);
-        USBD_CtlSendStatus(pdev);
-        
-      } 
-      else  if (cfgidx != pdev->dev_config) 
-      {
-        /* Clear old configuration */
-        USBD_ClrClassConfig(pdev , pdev->dev_config);
-        
-        /* set new configuration */
-        pdev->dev_config = cfgidx;
-        if(USBD_SetClassConfig(pdev , cfgidx) == USBD_FAIL)
-        {
-          USBD_CtlError(pdev , req);  
-          return;
-        }
-        USBD_CtlSendStatus(pdev);
-      }
-      else
-      {
-        USBD_CtlSendStatus(pdev);
-      }
-      break;
-      
-    default:					
-       USBD_CtlError(pdev , req);                     
-      break;
-    }
-  }
-}
-
-/**
-* @brief  USBD_GetConfig
-*         Handle Get device configuration request
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-static void USBD_GetConfig(USBD_HandleTypeDef *pdev , 
-                           USBD_SetupReqTypedef *req)
-{
-
-  if (req->wLength != 1) 
-  {                   
-     USBD_CtlError(pdev , req);
-  }
-  else 
-  {
-    switch (pdev->dev_state )  
-    {
-    case USBD_STATE_ADDRESSED:                     
-      pdev->dev_default_config = 0;
-      USBD_CtlSendData (pdev, 
-                        (uint8_t *)&pdev->dev_default_config,
-                        1);
-      break;
-      
-    case USBD_STATE_CONFIGURED:   
-      
-      USBD_CtlSendData (pdev, 
-                        (uint8_t *)&pdev->dev_config,
-                        1);
-      break;
-      
-    default:
-       USBD_CtlError(pdev , req);
-      break;
-    }
-  }
-}
-
-/**
-* @brief  USBD_GetStatus
-*         Handle Get Status request
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-static void USBD_GetStatus(USBD_HandleTypeDef *pdev , 
-                           USBD_SetupReqTypedef *req)
-{
-  
-    
-  switch (pdev->dev_state) 
-  {
-  case USBD_STATE_ADDRESSED:
-  case USBD_STATE_CONFIGURED:
-    
-#if ( USBD_SELF_POWERED == 1)
-    pdev->dev_config_status = USB_CONFIG_SELF_POWERED;                                  
-#else
-    pdev->dev_config_status = 0;                                   
-#endif
-                      
-    if (pdev->dev_remote_wakeup) 
-    {
-       pdev->dev_config_status |= USB_CONFIG_REMOTE_WAKEUP;                                
-    }
-    
-    USBD_CtlSendData (pdev, 
-                      (uint8_t *)& pdev->dev_config_status,
-                      2);
-    break;
-    
-  default :
-    USBD_CtlError(pdev , req);                        
-    break;
-  }
-}
-
-
-/**
-* @brief  USBD_SetFeature
-*         Handle Set device feature request
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-static void USBD_SetFeature(USBD_HandleTypeDef *pdev , 
-                            USBD_SetupReqTypedef *req)
-{
-
-  if (req->wValue == USB_FEATURE_REMOTE_WAKEUP)
-  {
-    pdev->dev_remote_wakeup = 1;  
-    pdev->pClass->Setup (pdev, req);   
-    USBD_CtlSendStatus(pdev);
-  }
-
-}
-
-
-/**
-* @brief  USBD_ClrFeature
-*         Handle clear device feature request
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval status
-*/
-static void USBD_ClrFeature(USBD_HandleTypeDef *pdev , 
-                            USBD_SetupReqTypedef *req)
-{
-  switch (pdev->dev_state)
-  {
-  case USBD_STATE_ADDRESSED:
-  case USBD_STATE_CONFIGURED:
-    if (req->wValue == USB_FEATURE_REMOTE_WAKEUP) 
-    {
-      pdev->dev_remote_wakeup = 0; 
-      pdev->pClass->Setup (pdev, req);   
-      USBD_CtlSendStatus(pdev);
-    }
-    break;
-    
-  default :
-     USBD_CtlError(pdev , req);
-    break;
-  }
-}
-
-/**
-* @brief  USBD_ParseSetupRequest 
-*         Copy buffer into setup structure
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval None
-*/
-
-void USBD_ParseSetupRequest(USBD_SetupReqTypedef *req, uint8_t *pdata)
-{
-  req->bmRequest     = *(uint8_t *)  (pdata);
-  req->bRequest      = *(uint8_t *)  (pdata +  1);
-  req->wValue        = SWAPBYTE      (pdata +  2);
-  req->wIndex        = SWAPBYTE      (pdata +  4);
-  req->wLength       = SWAPBYTE      (pdata +  6);
-
-}
-
-/**
-* @brief  USBD_CtlError 
-*         Handle USB low level Error
-* @param  pdev: device instance
-* @param  req: usb request
-* @retval None
-*/
-
-void USBD_CtlError( USBD_HandleTypeDef *pdev ,
-                            USBD_SetupReqTypedef *req)
-{
-  USBD_LL_StallEP(pdev , 0x80);
-  USBD_LL_StallEP(pdev , 0);
-}
-
-
-/**
-  * @brief  USBD_GetString
-  *         Convert Ascii string into unicode one
-  * @param  desc : descriptor buffer
-  * @param  unicode : Formatted string buffer (unicode)
-  * @param  len : descriptor length
-  * @retval None
-  */
-void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len)
-{
-  uint8_t idx = 0;
-  
-  if (desc != NULL) 
-  {
-    *len =  USBD_GetLen(desc) * 2 + 2;    
-    unicode[idx++] = *len;
-    unicode[idx++] =  USB_DESC_TYPE_STRING;
-    
-    while (*desc != '\0') 
-    {
-      unicode[idx++] = *desc++;
-      unicode[idx++] =  0x00;
-    }
-  } 
-}
-
-/**
-  * @brief  USBD_GetLen
-  *         return the string length
-   * @param  buf : pointer to the ascii string buffer
-  * @retval string length
-  */
-static uint8_t USBD_GetLen(uint8_t *buf)
-{
-    uint8_t  len = 0;
-
-    while (*buf != '\0') 
-    {
-        len++;
-        buf++;
-    }
-
-    return len;
-}
-/**
-  * @}
-  */ 
-
-
-/**
-  * @}
-  */ 
-
-
-/**
-  * @}
-  */ 
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c b/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c
deleted file mode 100644
index d66d777..0000000
--- a/fw/Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    usbd_ioreq.c
-  * @author  MCD Application Team
-  * @version V2.4.2
-  * @date    11-December-2015
-  * @brief   This file provides the IO requests APIs for control endpoints.
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software 
-  * distributed under the License is distributed on an "AS IS" BASIS, 
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */ 
-
-/* Includes ------------------------------------------------------------------*/
-#include "usbd_ioreq.h"
-
-/** @addtogroup STM32_USB_DEVICE_LIBRARY
-  * @{
-  */
-
-
-/** @defgroup USBD_IOREQ 
-  * @brief control I/O requests module
-  * @{
-  */ 
-
-/** @defgroup USBD_IOREQ_Private_TypesDefinitions
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_IOREQ_Private_Defines
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_IOREQ_Private_Macros
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_IOREQ_Private_Variables
-  * @{
-  */ 
-
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_IOREQ_Private_FunctionPrototypes
-  * @{
-  */ 
-/**
-  * @}
-  */ 
-
-
-/** @defgroup USBD_IOREQ_Private_Functions
-  * @{
-  */ 
-
-/**
-* @brief  USBD_CtlSendData
-*         send data on the ctl pipe
-* @param  pdev: device instance
-* @param  buff: pointer to data buffer
-* @param  len: length of data to be sent
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_CtlSendData (USBD_HandleTypeDef  *pdev, 
-                               uint8_t *pbuf,
-                               uint16_t len)
-{
-  /* Set EP0 State */
-  pdev->ep0_state          = USBD_EP0_DATA_IN;                                      
-  pdev->ep_in[0].total_length = len;
-  pdev->ep_in[0].rem_length   = len;
- /* Start the transfer */
-  USBD_LL_Transmit (pdev, 0x00, pbuf, len);  
-  
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_CtlContinueSendData
-*         continue sending data on the ctl pipe
-* @param  pdev: device instance
-* @param  buff: pointer to data buffer
-* @param  len: length of data to be sent
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_CtlContinueSendData (USBD_HandleTypeDef  *pdev, 
-                                       uint8_t *pbuf,
-                                       uint16_t len)
-{
- /* Start the next transfer */
-  USBD_LL_Transmit (pdev, 0x00, pbuf, len);   
-  
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_CtlPrepareRx
-*         receive data on the ctl pipe
-* @param  pdev: device instance
-* @param  buff: pointer to data buffer
-* @param  len: length of data to be received
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_CtlPrepareRx (USBD_HandleTypeDef  *pdev,
-                                  uint8_t *pbuf,                                  
-                                  uint16_t len)
-{
-  /* Set EP0 State */
-  pdev->ep0_state = USBD_EP0_DATA_OUT; 
-  pdev->ep_out[0].total_length = len;
-  pdev->ep_out[0].rem_length   = len;
-  /* Start the transfer */
-  USBD_LL_PrepareReceive (pdev,
-                          0,
-                          pbuf,
-                         len);
-  
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_CtlContinueRx
-*         continue receive data on the ctl pipe
-* @param  pdev: device instance
-* @param  buff: pointer to data buffer
-* @param  len: length of data to be received
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_CtlContinueRx (USBD_HandleTypeDef  *pdev, 
-                                          uint8_t *pbuf,                                          
-                                          uint16_t len)
-{
-
-  USBD_LL_PrepareReceive (pdev,
-                          0,                     
-                          pbuf,                         
-                          len);
-  return USBD_OK;
-}
-/**
-* @brief  USBD_CtlSendStatus
-*         send zero lzngth packet on the ctl pipe
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_CtlSendStatus (USBD_HandleTypeDef  *pdev)
-{
-
-  /* Set EP0 State */
-  pdev->ep0_state = USBD_EP0_STATUS_IN;
-  
- /* Start the transfer */
-  USBD_LL_Transmit (pdev, 0x00, NULL, 0);   
-  
-  return USBD_OK;
-}
-
-/**
-* @brief  USBD_CtlReceiveStatus
-*         receive zero lzngth packet on the ctl pipe
-* @param  pdev: device instance
-* @retval status
-*/
-USBD_StatusTypeDef  USBD_CtlReceiveStatus (USBD_HandleTypeDef  *pdev)
-{
-  /* Set EP0 State */
-  pdev->ep0_state = USBD_EP0_STATUS_OUT; 
-  
- /* Start the transfer */  
-  USBD_LL_PrepareReceive ( pdev,
-                    0,
-                    NULL,
-                    0);  
-
-  return USBD_OK;
-}
-
-
-/**
-* @brief  USBD_GetRxCount
-*         returns the received data length
-* @param  pdev: device instance
-* @param  ep_addr: endpoint address
-* @retval Rx Data blength
-*/
-uint16_t  USBD_GetRxCount (USBD_HandleTypeDef  *pdev , uint8_t ep_addr)
-{
-  return USBD_LL_GetRxDataSize(pdev, ep_addr);
-}
-
-/**
-  * @}
-  */ 
-
-
-/**
-  * @}
-  */ 
-
-
-/**
-  * @}
-  */ 
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/fw/src/main.c b/fw/src/main.c
index 982b1c2..f4a34d7 100644
--- a/fw/src/main.c
+++ b/fw/src/main.c
@@ -104,21 +104,6 @@ int main(void)
     }
 }
 
-void __libc_init_array(void);
-void __libc_init_array() {
-    /* FIXME Do we even need this? */
-}
-
-void _init(void);
-void _init() {
-    /* FIXME Do we even need this? */
-}
-
-void __assert_func (const char *file, int line, const char * func, const char * exp) {
-    asm volatile ("bkpt");
-    while (1);
-}
-
 static uint32_t poll_encoders() {
     static bool tx_vol_reset = 0;
     static uint16_t tim1_last = 0, tim3_last = 0; /* timers init to 0 */
@@ -173,176 +158,6 @@ static uint32_t poll_keys() {
     return keybits;
 }
 
-const uint8_t _asciimap[128] =
-{
-    0x00,             // NUL
-    0x00,             // SOH
-    0x00,             // STX
-    0x00,             // ETX
-    0x00,             // EOT
-    0x00,             // ENQ
-    0x00,             // ACK
-    0x00,             // BEL
-    0x2a,           // BS   Backspace
-    0x2b,           // TAB  Tab
-    0x28,           // LF   Enter
-    0x00,             // VT
-    0x00,             // FF
-    0x00,             // CR
-    0x00,             // SO
-    0x00,             // SI
-    0x00,             // DEL
-    0x00,             // DC1
-    0x00,             // DC2
-    0x00,             // DC3
-    0x00,             // DC4
-    0x00,             // NAK
-    0x00,             // SYN
-    0x00,             // ETB
-    0x00,             // CAN
-    0x00,             // EM
-    0x00,             // SUB
-    0x00,             // ESC
-    0x00,             // FS
-    0x00,             // GS
-    0x00,             // RS
-    0x00,             // US
-
-    0x2c,          //  ' '
-    0x1e|0x80,    // !
-    0x34|0x80,    // "
-    0x20|0x80,    // #
-    0x21|0x80,    // $
-    0x22|0x80,    // %
-    0x24|0x80,    // &
-    0x34,          // '
-    0x26|0x80,    // (
-    0x27|0x80,    // )
-    0x25|0x80,    // *
-    0x2e|0x80,    // +
-    0x36,          // ,
-    0x2d,          // -
-    0x37,          // .
-    0x38,          // /
-    0x27,          // 0
-    0x1e,          // 1
-    0x1f,          // 2
-    0x20,          // 3
-    0x21,          // 4
-    0x22,          // 5
-    0x23,          // 6
-    0x24,          // 7
-    0x25,          // 8
-    0x26,          // 9
-    0x33|0x80,      // :
-    0x33,          // ;
-    0x36|0x80,      // <
-    0x2e,          // =
-    0x37|0x80,      // >
-    0x38|0x80,      // ?
-    0x1f|0x80,      // @
-    0x04|0x80,      // A
-    0x05|0x80,      // B
-    0x06|0x80,      // C
-    0x07|0x80,      // D
-    0x08|0x80,      // E
-    0x09|0x80,      // F
-    0x0a|0x80,      // G
-    0x0b|0x80,      // H
-    0x0c|0x80,      // I
-    0x0d|0x80,      // J
-    0x0e|0x80,      // K
-    0x0f|0x80,      // L
-    0x10|0x80,      // M
-    0x11|0x80,      // N
-    0x12|0x80,      // O
-    0x13|0x80,      // P
-    0x14|0x80,      // Q
-    0x15|0x80,      // R
-    0x16|0x80,      // S
-    0x17|0x80,      // T
-    0x18|0x80,      // U
-    0x19|0x80,      // V
-    0x1a|0x80,      // W
-    0x1b|0x80,      // X
-    0x1c|0x80,      // Y
-    0x1d|0x80,      // Z
-    0x2f,          // [
-    0x31,          // bslash
-    0x30,          // ]
-    0x23|0x80,    // ^
-    0x2d|0x80,    // _
-    0x35,          // `
-    0x04,          // a
-    0x05,          // b
-    0x06,          // c
-    0x07,          // d
-    0x08,          // e
-    0x09,          // f
-    0x0a,          // g
-    0x0b,          // h
-    0x0c,          // i
-    0x0d,          // j
-    0x0e,          // k
-    0x0f,          // l
-    0x10,          // m
-    0x11,          // n
-    0x12,          // o
-    0x13,          // p
-    0x14,          // q
-    0x15,          // r
-    0x16,          // s
-    0x17,          // t
-    0x18,          // u
-    0x19,          // v
-    0x1a,          // w
-    0x1b,          // x
-    0x1c,          // y
-    0x1d,          // z
-    0x2f|0x80,    // {
-    0x31|0x80,    // |
-    0x30|0x80,    // }
-    0x35|0x80,    // ~
-    0               // DEL
-};
-
-
-void sendChar(uint8_t ch){
-    if( ch > 128 ) ch -=128;
-
-    key.id = 1;
-    key.keycode[0]=_asciimap[ch]&0x7F;
-    key.keycode[1]=0;
-
-    if ( _asciimap[ch] & 0x80) key.modifier |= 0x02;
-
-    for(int i=0; i< 4;i++){
-        USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&key, sizeof(key));
-        HAL_Delay(10);
-    }
-    memset(key.keycode, 0 , sizeof(key.keycode));
-    key.modifier = 0;
-    USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&key, sizeof(key));
-    HAL_Delay(10);
-}
-
-void sendCharWrong(uint8_t ch){
-    key.id = 1;
-    key.keycode[0]=ch&0x7F;
-    key.keycode[1]=0;
-
-    if ( _asciimap[ch] & 0x80) key.modifier |= 0x02;
-
-    for(int i=0; i< 4;i++){
-        USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&key, sizeof(key));
-        HAL_Delay(10);
-    }
-    memset(key.keycode, 0 , sizeof(key.keycode));
-    key.modifier = 0;
-    USBD_HID_SendReport(&hUsbDeviceFS, (uint8_t *)&key, sizeof(key));
-    HAL_Delay(10);
-}
-
 void sendKeybits(uint8_t keybits){
     uint8_t report[2];
     report[0]= HID_MEDIA_REPORT;
@@ -477,3 +292,18 @@ void Error_Handler(void)
     }
 }
 
+void __libc_init_array(void);
+void __libc_init_array() {
+    /* FIXME Do we even need this? */
+}
+
+void _init(void);
+void _init() {
+    /* FIXME Do we even need this? */
+}
+
+void __assert_func (const char *file, int line, const char * func, const char * exp) {
+    asm volatile ("bkpt");
+    while (1);
+}
+
diff --git a/fw/src/usbd_conf.c b/fw/src/usbd_conf.c
index b6815e5..9d82e40 100644
--- a/fw/src/usbd_conf.c
+++ b/fw/src/usbd_conf.c
@@ -578,14 +578,14 @@ void USBD_LL_Delay(uint32_t Delay /* ms */)
     HAL_Delay(Delay);
 }
 
-static USBD_HID_HandleTypeDef *static_hid_handle;
+static USBD_HID_HandleTypeDef static_hid_handle;
 static bool static_hid_handle_allocated = false;
 
 void *USBD_static_malloc(uint32_t size)
 {
     assert(!static_hid_handle_allocated);
     static_hid_handle_allocated = true;
-    return static_hid_handle;
+    return &static_hid_handle;
 }
 
 void USBD_static_free(void *p)
diff --git a/fw/src/usbd_hid.c b/fw/src/usbd_hid.c
index 4d313b4..eaf7878 100644
--- a/fw/src/usbd_hid.c
+++ b/fw/src/usbd_hid.c
@@ -10,6 +10,7 @@ static uint8_t  *USBD_HID_GetCfgDesc (uint16_t *length);
 static uint8_t  *USBD_HID_GetDeviceQualifierDesc (uint16_t *length); 
 static uint8_t  USBD_HID_DataIn (USBD_HandleTypeDef *pdev, uint8_t epnum); 
 static uint8_t  USBD_HID_DataOut (USBD_HandleTypeDef *pdev, uint8_t epnum);
+static uint8_t  USBD_HID_EP0_RxReady(USBD_HandleTypeDef  *pdev);
 
 USBD_ClassTypeDef  USBD_HID = 
 {
@@ -17,7 +18,7 @@ USBD_ClassTypeDef  USBD_HID =
     USBD_HID_DeInit,
     USBD_HID_Setup,
     NULL, /* EP0_TxSent */  
-    NULL, /* EP0_RxReady */
+    USBD_HID_EP0_RxReady,
     USBD_HID_DataIn,
     USBD_HID_DataOut,
     NULL, /* SOF */
@@ -233,64 +234,73 @@ static uint8_t  USBD_HID_Setup (USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *
 
     switch (req->bmRequest & USB_REQ_TYPE_MASK)
     {
-    case USB_REQ_TYPE_CLASS :  
-        switch (req->bRequest) {
-        case HID_REQ_SET_PROTOCOL:
-            hhid->Protocol = (uint8_t)(req->wValue);
-            break;
-
-        case HID_REQ_GET_PROTOCOL:
-            USBD_CtlSendData (pdev, 
-                    (uint8_t *)&hhid->Protocol,
-                    1);    
-            break;
-
-        case HID_REQ_SET_IDLE:
-            hhid->IdleState = (uint8_t)(req->wValue >> 8);
-            break;
-
-        case HID_REQ_GET_IDLE:
-            USBD_CtlSendData (pdev, 
-                    (uint8_t *)&hhid->IdleState,
-                    1);        
-            break;      
-
-        default:
-            USBD_CtlError (pdev, req);
-            return USBD_FAIL; 
-        }
-        break;
-
-    case USB_REQ_TYPE_STANDARD:
-        switch (req->bRequest) {
-        case USB_REQ_GET_DESCRIPTOR: 
-            if( req->wValue >> 8 == HID_REPORT_DESC)
-            {
-                len = MIN(HID_REPORT_DESC_SIZE , req->wLength);
-                pbuf = HID_ReportDesc;
+        case USB_REQ_TYPE_CLASS :  
+            switch (req->bRequest) {
+                case HID_REQ_SET_PROTOCOL:
+                    hhid->Protocol = (uint8_t)(req->wValue);
+                    break;
+
+                case HID_REQ_GET_PROTOCOL:
+                    USBD_CtlSendData (pdev, 
+                            (uint8_t *)&hhid->Protocol,
+                            1);    
+                    break;
+
+                case HID_REQ_SET_IDLE:
+                    hhid->IdleState = (uint8_t)(req->wValue >> 8);
+                    break;
+
+                case HID_REQ_GET_IDLE:
+                    USBD_CtlSendData (pdev, 
+                            (uint8_t *)&hhid->IdleState,
+                            1);        
+                    break;      
+
+                case HID_REQ_SET_REPORT:
+                    hhid->IsReportAvailable = 1U;
+                    if (req->wLength > sizeof(hhid->Report_buf)) {
+                        USBD_CtlError (pdev, req);
+                        return USBD_FAIL; 
+                    }
+                    (void)USBD_CtlPrepareRx(pdev, hhid->Report_buf, req->wLength);
+                    break;
+
+                default:
+                    USBD_CtlError (pdev, req);
+                    return USBD_FAIL; 
             }
-            else if( req->wValue >> 8 == HID_DESCRIPTOR_TYPE)
-            {
-                pbuf = USBD_HID_Desc;   
-                len = MIN(USB_HID_DESC_SIZ , req->wLength);
-            }
-
-            USBD_CtlSendData (pdev, 
-                    pbuf,
-                    len);
-
-            break;
-
-        case USB_REQ_GET_INTERFACE :
-            USBD_CtlSendData (pdev,
-                    (uint8_t *)&hhid->AltSetting,
-                    1);
             break;
 
-        case USB_REQ_SET_INTERFACE :
-            hhid->AltSetting = (uint8_t)(req->wValue);
-            break;
-        }
+        case USB_REQ_TYPE_STANDARD:
+            switch (req->bRequest) {
+                case USB_REQ_GET_DESCRIPTOR: 
+                    if( req->wValue >> 8 == HID_REPORT_DESC)
+                    {
+                        len = MIN(HID_REPORT_DESC_SIZE , req->wLength);
+                        pbuf = HID_ReportDesc;
+                    }
+                    else if( req->wValue >> 8 == HID_DESCRIPTOR_TYPE)
+                    {
+                        pbuf = USBD_HID_Desc;   
+                        len = MIN(USB_HID_DESC_SIZ , req->wLength);
+                    }
+
+                    USBD_CtlSendData (pdev, 
+                            pbuf,
+                            len);
+
+                    break;
+
+                case USB_REQ_GET_INTERFACE :
+                    USBD_CtlSendData (pdev,
+                            (uint8_t *)&hhid->AltSetting,
+                            1);
+                    break;
+
+                case USB_REQ_SET_INTERFACE :
+                    hhid->AltSetting = (uint8_t)(req->wValue);
+                    break;
+            }
     }
     return USBD_OK;
 }
@@ -302,8 +312,8 @@ uint8_t USBD_HID_SendReport (USBD_HandleTypeDef  *pdev, uint8_t *report, uint16_
     if (pdev->dev_state != USBD_STATE_CONFIGURED )
         return USBD_OK;
 
-    if(hhid->state == HID_IDLE)
-        return USBD_OK;
+    if(hhid->state != HID_IDLE)
+        return USBD_BUSY;
 
     hhid->state = HID_BUSY;
     USBD_LL_Transmit(pdev, HID_EPIN_ADDR, report, len);
@@ -371,3 +381,24 @@ static uint8_t  *USBD_HID_GetDeviceQualifierDesc (uint16_t *length)
     return USBD_HID_DeviceQualifierDesc;
 }
 
+/**
+ * @brief  USBD_CUSTOM_HID_EP0_RxReady
+ *         Handles control request data.
+ * @param  pdev: device instance
+ * @retval status
+ */
+static uint8_t USBD_HID_EP0_RxReady(USBD_HandleTypeDef *pdev)
+{
+    USBD_HID_HandleTypeDef     *hhid = (USBD_HID_HandleTypeDef*) pdev->pClassData;
+
+    if (!hhid)
+        return (uint8_t)USBD_FAIL;
+
+    if (hhid->IsReportAvailable == 1U) {
+        /* FIXME ignore for now */
+        hhid->IsReportAvailable = 0U;
+    }
+
+    return (uint8_t)USBD_OK;
+}
+
diff --git a/fw/src/usbd_hid.h b/fw/src/usbd_hid.h
index fa2f0a2..528747d 100644
--- a/fw/src/usbd_hid.h
+++ b/fw/src/usbd_hid.h
@@ -35,6 +35,7 @@
 
 /* Includes ------------------------------------------------------------------*/
 #include  "usbd_ioreq.h"
+#include <stdbool.h>
 
 /** @addtogroup STM32_USB_DEVICE_LIBRARY
   * @{
@@ -134,6 +135,8 @@ typedef struct
   uint32_t             Protocol;   
   uint32_t             IdleState;  
   uint32_t             AltSetting;
+  bool                 IsReportAvailable;
+  uint8_t              Report_buf[8];
   HID_StateTypeDef     state;  
 }
 USBD_HID_HandleTypeDef; 
-- 
cgit