diff --git a/features/unsupported/USBHost/USBHost/TARGET_STM/USBEndpoint_STM.cpp b/features/unsupported/USBHost/USBHost/TARGET_STM/USBEndpoint_STM.cpp
new file mode 100644
index 0000000000..17aedacf53
--- /dev/null
+++ b/features/unsupported/USBHost/USBHost/TARGET_STM/USBEndpoint_STM.cpp
@@ -0,0 +1,139 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+#if defined(TARGET_STM) && defined(USBHOST_OTHER)
+
+#include "dbg.h"
+#include "USBEndpoint.h"
+extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+
+
+void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir_, uint32_t size, uint8_t ep_number, HCTD* td_list_[2])
+{
+    hced = hced_;
+    type = type_;
+    dir = dir_;
+    setup = (type == CONTROL_ENDPOINT) ? true : false;
+
+    //TDs have been allocated by the host
+    memcpy((HCTD**)td_list, td_list_, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define
+    memset(td_list_[0], 0, sizeof(HCTD));
+    memset(td_list_[1], 0, sizeof(HCTD));
+
+    td_list[0]->ep = this;
+    td_list[1]->ep = this;
+
+    address = (ep_number & 0x7F) | ((dir - 1) << 7);
+    this->size = size;
+    this->ep_number = ep_number;
+    transfer_len = 0;
+    transferred = 0;
+    buf_start = 0;
+    nextEp = NULL;
+
+    td_current = td_list[0];
+    td_next = td_list[1];
+
+    intf_nb = 0;
+
+    state = USB_TYPE_IDLE;
+}
+void USBEndpoint::setSize(uint32_t size)
+{
+    this->size = size;
+}
+
+
+void USBEndpoint::setDeviceAddress(uint8_t addr)
+{
+    this->device_address = addr;
+    HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, addr, HCD_SPEED_FULL,  type, size);
+}
+
+void USBEndpoint::setSpeed(uint8_t speed)
+{
+    this->speed = speed;
+}
+
+
+
+void USBEndpoint::setState(uint8_t st) {
+    if (st > 18)
+        return;
+    if (state == USB_TYPE_FREE) HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num);
+
+    state = (USB_TYPE)st;
+}
+
+
+extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+
+ 
+USB_TYPE USBEndpoint::queueTransfer()
+{
+    HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef*)hced->hhcd;
+    uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num];
+    uint32_t type = HAL_HCD_HC_GetType(hhcd, hced->ch_num);
+    uint32_t max_size =  HAL_HCD_HC_GetMaxPacket(hhcd, hced->ch_num);
+    /*  if a packet is queue on disconnected ; no solution for now */
+    if(*addr == (uint32_t) -1) {
+        /* set td as disconnected  */
+        td_current->state =  USB_TYPE_DISCONNECTED;
+        return USB_TYPE_DISCONNECTED;
+    }
+    MBED_ASSERT(*addr ==0);
+    if ((type == EP_TYPE_BULK) || (type== EP_TYPE_CTRL)) {
+        transfer_len =   td_current->size <= max_size ? td_current->size : max_size;
+        transferred = td_current->size;
+    } else  {
+        transfer_len =   td_current->size;
+        transferred = td_current->size;
+        MBED_ASSERT(transferred <= (int)max_size);
+    }
+    buf_start = (uint8_t *)td_current->currBufPtr;
+
+    //Now add this free TD at this end of the queue
+    state = USB_TYPE_PROCESSING;
+    /*  one request */
+    td_current->nextTD = (hcTd*)0;
+
+    *addr = (uint32_t)td_current;
+    /*  dir /setup is inverted for ST */
+    /* token is useful only ctrl endpoint */
+    /*  last parameter is ping ? */
+    MBED_ASSERT(HAL_HCD_HC_SubmitRequest((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num, dir-1, type,!setup,(uint8_t*) td_current->currBufPtr, transfer_len, 0)==HAL_OK);
+    return USB_TYPE_PROCESSING;
+}
+
+void USBEndpoint::unqueueTransfer(volatile HCTD * td)
+{
+
+    uint32_t *addr = &((uint32_t *)((HCD_HandleTypeDef*)hced->hhcd)->pData)[hced->ch_num];
+    td->state=0;
+    td->currBufPtr=0;
+    td->size=0;
+    td->nextTD=0;
+    *addr = 0;
+    td_current = td_next;
+    td_next = td;
+}
+
+void USBEndpoint::queueEndpoint(USBEndpoint * ed)
+{
+    nextEp = ed;
+}
+#endif
diff --git a/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_DISCOF429ZI.h b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_DISCOF429ZI.h
new file mode 100644
index 0000000000..720f7324ce
--- /dev/null
+++ b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_DISCOF429ZI.h
@@ -0,0 +1,112 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+#ifndef USBHALHOST_DISCOF429ZI
+#define USBHALHOST_DISCOF429ZI
+
+#define USBHAL_IRQn  OTG_HS_IRQn
+
+#define HCCA_SIZE sizeof(HCD_HandleTypeDef)
+#define ED_SIZE  sizeof(HCED)
+#define TD_SIZE  sizeof(HCTD)
+
+#define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE))
+/* STM device FS have 11 channels  (definition is for 60 channels) */
+static volatile  uint8_t usb_buf[TOTAL_SIZE];
+typedef struct
+{
+    /* store the request ongoing on each endpoit  */
+    /*  1st field of structure avoid  giving knowledge of all structure to
+     *  endpoint */
+    volatile uint32_t addr[MAX_ENDPOINT];
+    USBHALHost *inst;
+    void (USBHALHost::*deviceConnected)(int hub, int port, bool lowSpeed, USBHostHub * hub_parent);
+    void (USBHALHost::*deviceDisconnected)(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr);
+    void (USBHALHost::*transferCompleted)(volatile uint32_t addr);
+}USBHALHost_Private_t;
+/*  CONFIGURATION for USB_VBUS  
+ *  on 64 bits board PC_0 is used  (0  VBUS on,  1 VBUS off)
+ *  on 144 pins board PG_6 is used ( 1 VBUS on, 0 VBUS on)
+ */
+static gpio_t gpio_vbus;
+
+#define  VBUS_OFF 1
+#define  VBUS_ON 0
+#define USB_VBUS_CONFIG \
+    do {__HAL_RCC_GPIOC_CLK_ENABLE();\
+		gpio_init_out_ex(&gpio_vbus, PC_4, VBUS_OFF);\
+	}while(0);
+
+
+void  usb_vbus( uint8_t state)
+{
+    if(state == 0)
+    {
+        gpio_write(&gpio_vbus, VBUS_OFF);
+    }
+    else
+    {
+        gpio_write(&gpio_vbus, VBUS_ON);
+    }
+    wait(0.2);
+}
+
+
+USBHALHost::USBHALHost() {
+    gpio_t  pin_vbus;
+    instHost = this;
+    HCD_HandleTypeDef *hhcd;
+    USBHALHost_Private_t *HALPriv = new(USBHALHost_Private_t);
+    memset(HALPriv, 0, sizeof(USBHALHost_Private_t));
+    memInit();
+    memset((void*)usb_hcca, 0, HCCA_SIZE);
+    hhcd = (HCD_HandleTypeDef *)usb_hcca;
+    hhcd->Instance = USB_OTG_HS;
+    hhcd->pData = (void*)HALPriv;
+    hhcd->Init.Host_channels = 11;
+    /*   for now failed with dma */
+    hhcd->Init.dma_enable = 0;
+    hhcd->Init.speed = HCD_SPEED_HIGH;
+    hhcd->Init.phy_itface = HCD_PHY_EMBEDDED;
+    hhcd->Init.use_external_vbus = 1;
+    HALPriv->inst = this;
+    HALPriv->deviceConnected = &USBHALHost::deviceConnected;
+    HALPriv->deviceDisconnected = &USBHALHost::deviceDisconnected;
+    HALPriv->transferCompleted = &USBHALHost::transferCompleted;
+    for (int i = 0; i < MAX_ENDPOINT; i++) {
+        edBufAlloc[i] = false;
+        HALPriv->addr[i]=(uint32_t)-1;
+    }
+    for (int i = 0; i < MAX_TD; i++) {
+        tdBufAlloc[i] = false;
+    }
+    /* Configure USB HS GPIOs */
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+
+    /*USB DM and DP */
+    pin_function(PB_14, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS));
+    pin_function(PB_15, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF12_OTG_HS_FS));
+    /* Configure  VBUS Pin */
+    gpio_init_in(&pin_vbus, PB_13);
+    /* Configure POWER_SWITCH IO pin */
+    USB_VBUS_CONFIG;
+    /* Enable USB HS Clocks */
+    __HAL_RCC_USB_OTG_HS_CLK_ENABLE();
+
+    /* Set USBFS Interrupt priority */
+    HAL_NVIC_SetPriority(USBHAL_IRQn, 5, 0);
+    NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr);
+}
+#endif
diff --git a/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM.cpp b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM.cpp
new file mode 100644
index 0000000000..4a8c333cec
--- /dev/null
+++ b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM.cpp
@@ -0,0 +1,233 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+
+#ifdef TARGET_STM
+#include "mbed.h"
+#include "USBHALHost.h"
+#include "dbg.h"
+#include "pinmap.h"
+
+#include "USBHALHost_STM_TARGET.h"
+
+void HAL_HCD_Connect_Callback(HCD_HandleTypeDef *hhcd)
+{
+    USBHALHost_Private_t *priv=(USBHALHost_Private_t *)(hhcd->pData);
+    USBHALHost *obj= priv->inst;
+    int i;
+    void (USBHALHost::*func)(int hub, int port, bool lowSpeed, USBHostHub * hub_parent ) = priv->deviceConnected;
+	for (i=0; i<MAX_ENDPOINT; i++)
+		if (priv->addr[i]==(uint32_t)-1)priv->addr[i]=0;
+    (obj->*func)(0,1,1,NULL);
+}
+void HAL_HCD_Disconnect_Callback(HCD_HandleTypeDef *hhcd)
+{
+    USBHALHost_Private_t *priv=(USBHALHost_Private_t *)(hhcd->pData);
+    USBHALHost *obj= priv->inst;
+    void (USBHALHost::*func1)(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr)= priv->deviceDisconnected;
+    void (USBHALHost::*func2)(volatile uint32_t addr)= priv->transferCompleted;
+    int i;
+    (obj->*func1)(0,1,(USBHostHub *)NULL,0);
+
+    /* fix me  call with same frame number */
+    /*  all on going transaction must end and any new one must be rejected */
+    for (i=0; i<MAX_ENDPOINT; i++) {
+        uint32_t addr = priv->addr[i];
+        priv->addr[i]=(uint32_t)-1;
+        if ((addr!=(uint32_t)-1)&& (addr!=0)){
+            HCTD *td = (HCTD *)addr;
+            td->currBufPtr +=HAL_HCD_HC_GetXferCount(hhcd, i);
+            td->state =  USB_TYPE_DISCONNECTED;
+            (obj->*func2)(addr);
+        }
+    }
+    for (i=1; i< MAX_ENDPOINT;i++)HAL_HCD_HC_Halt(hhcd,i);
+}
+int HAL_HCD_HC_GetDirection(HCD_HandleTypeDef *hhcd,uint8_t chnum)
+{
+/*  useful for transmission */
+ return hhcd->hc[chnum].ep_is_in;
+}
+
+uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd,uint8_t chnum)
+{
+/*  useful for transmission */
+ return hhcd->hc[chnum].max_packet;
+}
+
+
+uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd,uint8_t chnum)
+{
+/*  useful for transmission */
+ return hhcd->hc[chnum].ep_type;
+}
+
+void HAL_HCD_HC_NotifyURBChange_Callback(HCD_HandleTypeDef *hhcd,uint8_t chnum, HCD_URBStateTypeDef urb_state)
+{
+    USBHALHost_Private_t *priv=(USBHALHost_Private_t *)(hhcd->pData);
+    USBHALHost *obj= priv->inst;
+    void (USBHALHost::*func)(volatile uint32_t addr)= priv->transferCompleted;
+    uint32_t addr = priv->addr[chnum];
+    uint32_t max_size = HAL_HCD_HC_GetMaxPacket(hhcd, chnum);
+    uint32_t type = HAL_HCD_HC_GetType(hhcd, chnum);
+    uint32_t dir = HAL_HCD_HC_GetDirection(hhcd,chnum);
+    uint32_t length;
+    if ((addr!=(uint32_t)-1) && (addr!=0)) {
+        HCTD *td = (HCTD *)addr;
+        /*  put the state */
+        if ((urb_state == URB_IDLE) && (type == EP_TYPE_INTR) ) {
+            length = td->size;
+            MBED_ASSERT(HAL_HCD_HC_SubmitRequest(hhcd, chnum, dir ,type , 1,(uint8_t*) td->currBufPtr, length, 0)==HAL_OK);
+            return;
+        }
+        td->state = (urb_state == URB_DONE) ?  USB_TYPE_IDLE : USB_TYPE_ERROR;
+        if (urb_state == URB_NOTREADY)
+            USB_ERR("urb_state != URB_NOTREADY");
+        /*  move buffer pointer , for size  */
+        if ((type != EP_TYPE_BULK) && (type != EP_TYPE_CTRL )) {
+            /*  in packet  */
+        } else {
+            if (urb_state == URB_DONE) {
+                if (td->size >  max_size) {
+                    /*  enqueue  another request */
+                    td->currBufPtr += max_size;
+                    td->size -= max_size;
+                    length = td->size <= max_size ? td->size : max_size;
+                    MBED_ASSERT(HAL_HCD_HC_SubmitRequest(hhcd, chnum, dir ,type , 1,(uint8_t*) td->currBufPtr, length, 0)==HAL_OK);
+                    return;
+                }
+            }
+        }
+        td->state = (urb_state == URB_DONE) ?  USB_TYPE_IDLE : USB_TYPE_ERROR;
+        td->currBufPtr +=HAL_HCD_HC_GetXferCount(hhcd, chnum);
+        priv->addr[chnum]=0;
+        (obj->*func)(addr);
+    }
+    else
+    {
+        USB_DBG_EVENT("spurious %d %d",chnum, urb_state);
+    }
+}
+USBHALHost * USBHALHost::instHost;
+
+
+void USBHALHost::init() {
+
+    NVIC_DisableIRQ(USBHAL_IRQn);
+    NVIC_SetVector(USBHAL_IRQn, (uint32_t)(_usbisr));
+    HAL_HCD_Init((HCD_HandleTypeDef *) usb_hcca);
+    NVIC_EnableIRQ(USBHAL_IRQn);
+    HAL_HCD_Start((HCD_HandleTypeDef *) usb_hcca);
+    usb_vbus(1);
+}
+
+uint32_t USBHALHost::controlHeadED() {
+    return 0xffffffff;
+}
+
+uint32_t USBHALHost::bulkHeadED() {
+   return 0xffffffff;
+}
+
+uint32_t USBHALHost::interruptHeadED() {
+   return 0xffffffff;
+}
+
+void USBHALHost::updateBulkHeadED(uint32_t addr) {
+}
+
+
+void USBHALHost::updateControlHeadED(uint32_t addr) {
+}
+
+void USBHALHost::updateInterruptHeadED(uint32_t addr) {
+}
+
+
+void USBHALHost::enableList(ENDPOINT_TYPE type) {
+}
+
+
+bool USBHALHost::disableList(ENDPOINT_TYPE type) {
+       return true;
+}
+
+
+void USBHALHost::memInit() {
+	usb_hcca =  (volatile HCD_HandleTypeDef *)usb_buf;
+    usb_edBuf = usb_buf + HCCA_SIZE;
+    usb_tdBuf = usb_buf + HCCA_SIZE +(MAX_ENDPOINT*ED_SIZE);
+	/*  init channel  */
+	for (int i=0; i < MAX_ENDPOINT; i++) {
+		HCED	*hced = (HCED*)(usb_edBuf + i*ED_SIZE);
+		hced->ch_num = i;
+		hced->hhcd = (HCCA *) usb_hcca;
+	}
+}
+
+volatile uint8_t * USBHALHost::getED() {
+    for (int i = 0; i < MAX_ENDPOINT; i++) {
+        if ( !edBufAlloc[i] ) {
+            edBufAlloc[i] = true;
+            return (volatile uint8_t *)(usb_edBuf + i*ED_SIZE);
+        }
+    }
+    perror("Could not allocate ED\r\n");
+    return NULL; //Could not alloc ED
+}
+
+volatile uint8_t * USBHALHost::getTD() {
+    int i;
+    for (i = 0; i < MAX_TD; i++) {
+        if ( !tdBufAlloc[i] ) {
+            tdBufAlloc[i] = true;
+            return (volatile uint8_t *)(usb_tdBuf + i*TD_SIZE);
+        }
+    }
+    perror("Could not allocate TD\r\n");
+    return NULL; //Could not alloc TD
+}
+
+
+void USBHALHost::freeED(volatile uint8_t * ed) {
+    int i;
+    i = (ed - usb_edBuf) / ED_SIZE;
+    edBufAlloc[i] = false;
+}
+
+void USBHALHost::freeTD(volatile uint8_t * td) {
+    int i;
+    i = (td - usb_tdBuf) / TD_SIZE;
+    tdBufAlloc[i] = false;
+}
+
+
+void USBHALHost::resetRootHub() {
+    // Initiate port reset
+    wait(0.2);
+    HAL_HCD_ResetPort((HCD_HandleTypeDef *)usb_hcca);
+}
+
+
+void USBHALHost::_usbisr(void) {
+    if (instHost) {
+        instHost->UsbIrqhandler();
+    }
+}
+
+void USBHALHost::UsbIrqhandler() {
+    HAL_HCD_IRQHandler((HCD_HandleTypeDef *)usb_hcca);
+}
+#endif
diff --git a/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM_144_64pins.h b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM_144_64pins.h
new file mode 100644
index 0000000000..21e83c0a50
--- /dev/null
+++ b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM_144_64pins.h
@@ -0,0 +1,116 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+#ifndef USBHALHOST_STM32_144_64
+#define USBHALHOST_STM32_144_64
+
+#define USBHAL_IRQn  OTG_FS_IRQn
+
+#define HCCA_SIZE sizeof(HCD_HandleTypeDef)
+#define ED_SIZE  sizeof(HCED)
+#define TD_SIZE  sizeof(HCTD)
+
+#define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE))
+/* STM device FS have 11 channels  (definition is for 60 channels) */
+static volatile  uint8_t usb_buf[TOTAL_SIZE];
+typedef struct
+{
+	/* store the request ongoing on each endpoit  */
+	/*  1st field of structure avoid  giving knowledge of all structure to
+	 *  endpoint */
+	volatile uint32_t addr[MAX_ENDPOINT];
+	USBHALHost *inst;
+	void (USBHALHost::*deviceConnected)(int hub, int port, bool lowSpeed, USBHostHub * hub_parent);
+	void (USBHALHost::*deviceDisconnected)(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr);
+	void (USBHALHost::*transferCompleted)(volatile uint32_t addr);
+}USBHALHost_Private_t;
+
+/*  CONFIGURATION for USB_VBUS  
+ *  on 64 bits board PC_0 is used  (0  VBUS on,  1 VBUS off)
+ *  on 144 pins board PG_6 is used ( 1 VBUS on, 0 VBUS on)
+ */
+static gpio_t gpio_vbus;
+
+#if defined(USBHALHOST_64pins)
+#define  VBUS_OFF 1
+#define  VBUS_ON 0
+#define USB_VBUS_CONFIG \
+    do {__HAL_RCC_GPIOC_CLK_ENABLE();\
+		gpio_init_out_ex(&gpio_vbus, PC_0, VBUS_OFF);\
+	}while(0);
+#else
+#define  VBUS_OFF 0
+#define  VBUS_ON 1
+#define USB_VBUS_CONFIG \
+    do {__HAL_RCC_GPIOG_CLK_ENABLE();\
+		gpio_init_out_ex(&gpio_vbus, PG_6, VBUS_OFF);\
+	}while(0);
+#endif
+
+void  usb_vbus( uint8_t state)
+{
+    if(state == 0)
+    {
+        gpio_write(&gpio_vbus, VBUS_OFF);
+    }
+    else
+    {
+        gpio_write(&gpio_vbus, VBUS_ON);
+    }
+    wait(0.2);
+}
+
+USBHALHost::USBHALHost() {
+    instHost = this;
+    HCD_HandleTypeDef *hhcd;
+    USBHALHost_Private_t *HALPriv = new(USBHALHost_Private_t);
+    memset(HALPriv, 0, sizeof(USBHALHost_Private_t));
+    memInit();
+    memset((void*)usb_hcca, 0, HCCA_SIZE);
+    hhcd = (HCD_HandleTypeDef *)usb_hcca;
+    hhcd->Instance = USB_OTG_FS;
+    hhcd->pData = (void*)HALPriv;
+    hhcd->Init.Host_channels = 11;
+    hhcd->Init.speed = HCD_SPEED_FULL; 
+    hhcd->Init.phy_itface = HCD_PHY_EMBEDDED;
+    HALPriv->inst = this;
+    HALPriv->deviceConnected = &USBHALHost::deviceConnected;
+    HALPriv->deviceDisconnected = &USBHALHost::deviceDisconnected;
+    HALPriv->transferCompleted = &USBHALHost::transferCompleted;
+    for (int i = 0; i < MAX_ENDPOINT; i++) {
+        edBufAlloc[i] = false;
+        HALPriv->addr[i]=(uint32_t)-1;
+    }
+    for (int i = 0; i < MAX_TD; i++) {
+        tdBufAlloc[i] = false;
+    }
+    /* Configure USB FS GPIOs */
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+
+    /*USB DM and DP */
+    pin_function(PA_11, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
+    pin_function(PA_12, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF10_OTG_FS));
+    /*USB ID */
+    pin_function(PA_10, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_PULLUP, GPIO_AF10_OTG_FS));
+
+    /* Configure POWER_SWITCH IO pin */
+    USB_VBUS_CONFIG;
+    /* Enable USB FS Clocks */
+    __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
+
+    /* Set USBFS Interrupt priority */
+    HAL_NVIC_SetPriority(OTG_FS_IRQn, 6, 0);
+}
+#endif
diff --git a/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM_TARGET.h b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM_TARGET.h
new file mode 100644
index 0000000000..a6cbb1619d
--- /dev/null
+++ b/features/unsupported/USBHost/USBHost/TARGET_STM/USBHALHost_STM_TARGET.h
@@ -0,0 +1,35 @@
+/* Copyright (c) 2016 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+/*  144 pins boards */
+#if defined(TARGET_NUCLEO_F429ZI) || defined(TARGET_NUCLEO_F446ZE)  || defined(TARGET_NUCLEO_F207ZG) \
+|| defined(TARGET_NUCLEO_F767ZI)
+#include "USBHALHost_STM_144_64pins.h"
+#endif
+
+/*  64 pins boards */
+#if defined(TARGET_NUCLEO_F401RE)
+#define USBHALHOST_64pins
+#include "USBHALHost_STM_144_64pins.h"
+#endif
+
+/*  DISCO board  */
+
+#ifdef TARGET_DISCO_F429ZI
+#include "USBHALHost_DISCOF429ZI.h"
+#endif
diff --git a/features/unsupported/USBHost/USBHost/USBHostConf.h b/features/unsupported/USBHost/USBHost/USBHostConf.h
index 3a93b30bf6..dba2335936 100644
--- a/features/unsupported/USBHost/USBHost/USBHostConf.h
+++ b/features/unsupported/USBHost/USBHost/USBHostConf.h
@@ -16,7 +16,70 @@
 
 #ifndef USBHOST_CONF_H
 #define USBHOST_CONF_H
+#if defined(TARGET_STM)
+/*
+* Maximum number of devices that can be connected
+* to the usb host
+*/
+/*   hub + 2 devices */
+#define MAX_DEVICE_CONNECTED        3
 
+/*
+* Maximum of Hub connected to the usb host
+*/
+#define MAX_HUB_NB                  0
+
+/*
+* Maximum number of ports on a USB hub
+*/
+#define MAX_HUB_PORT                2
+
+/*
+* Enable USBHostMSD
+*/
+#define USBHOST_MSD                 1
+
+/*
+* Enable USBHostKeyboard
+*/
+#define USBHOST_KEYBOARD            1
+
+/*
+* Enable USBHostMouse
+*/
+#define USBHOST_MOUSE               1
+
+/*
+* Enable USBHostSerial or USBHostMultiSerial (if set > 1)
+*/
+#define USBHOST_SERIAL              1
+
+/*
+* Enable USB3Gmodule
+*/
+#define USBHOST_3GMODULE            1
+
+/*
+* Enable USB MIDI
+*/
+#define USBHOST_MIDI                1
+
+/*
+* Maximum number of interfaces of a usb device
+*/
+#define MAX_INTF                    2
+
+/*
+* Maximum number of endpoints on each interface
+*/
+#define MAX_ENDPOINT_PER_INTERFACE  2
+
+/*
+* Maximum number of endpoint descriptors that can be allocated
+*/
+#define MAX_ENDPOINT               11 /*  USB FS 11 channel */
+
+#else
 /*
 * Maximum number of devices that can be connected
 * to the usb host
@@ -77,7 +140,7 @@
 * Maximum number of endpoint descriptors that can be allocated
 */
 #define MAX_ENDPOINT                (MAX_DEVICE_CONNECTED * MAX_INTF * MAX_ENDPOINT_PER_INTERFACE)
-
+#endif
 /*
 * Maximum number of transfer descriptors that can be allocated
 */
@@ -86,6 +149,6 @@
 /*
 * usb_thread stack size
 */
-#define USB_THREAD_STACK            (256*4 + MAX_HUB_NB*256*4)
+#define USB_THREAD_STACK            (256*4 + 2*256*4)
 
 #endif
diff --git a/targets/targets.json b/targets/targets.json
index 42b0fbc846..50ea134ecc 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -734,7 +734,7 @@
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "detect_code": ["0835"],
-        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2"],
+        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USBHOST_OTHER"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "features": ["LWIP"],
         "release_versions": ["2", "5"],
@@ -816,7 +816,7 @@
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "detect_code": ["0720"],
-        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USB_STM_HAL"],
+        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USB_STM_HAL", "USBHOST_OTHER"],
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "release_versions": ["2", "5"],
         "device_name": "STM32F401RE"
@@ -882,7 +882,7 @@
         "extra_labels": ["STM", "STM32F4", "STM32F429", "STM32F429ZI", "STM32F429xx", "F429_F439"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "progen": {"target": "nucleo-f429zi"},
-        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USB_STM_HAL"],
+        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USB_STM_HAL", "USBHOST_OTHER"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
         "detect_code": ["0796"],
         "features": ["LWIP"],
@@ -925,7 +925,7 @@
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "detect_code": ["0778"],
-        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2",  "USB_STM_HAL"],
+        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2",  "USB_STM_HAL", "USBHOST_OTHER"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "release_versions": ["2", "5"],
         "device_name" : "STM32F446ZE"
@@ -977,7 +977,7 @@
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "default_toolchain": "ARM",
         "supported_form_factors": ["ARDUINO"],
-        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2"],
+        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USBHOST_OTHER"],
         "detect_code": ["0818"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
         "features": ["LWIP"],
@@ -1168,7 +1168,7 @@
         "core": "Cortex-M4F",
         "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F429", "STM32F429ZI", "STM32F429xx"],
-        "macros": ["RTC_LSI=1","TRANSACTION_QUEUE_SIZE_SPI=2"],
+        "macros": ["RTC_LSI=1","TRANSACTION_QUEUE_SIZE_SPI=2", "USBHOST_OTHER"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
         "release_versions": ["2", "5"],