diff options
Diffstat (limited to 'stmhal/usbhost/Core/Src/usbh_core.c')
| -rw-r--r-- | stmhal/usbhost/Core/Src/usbh_core.c | 936 |
1 files changed, 0 insertions, 936 deletions
diff --git a/stmhal/usbhost/Core/Src/usbh_core.c b/stmhal/usbhost/Core/Src/usbh_core.c deleted file mode 100644 index 9d2727a89..000000000 --- a/stmhal/usbhost/Core/Src/usbh_core.c +++ /dev/null @@ -1,936 +0,0 @@ -/**
- ******************************************************************************
- * @file usbh_core.c
- * @author MCD Application Team
- * @version V3.0.0
- * @date 18-February-2014
- * @brief This file implements the functions for the core state machine process
- * the enumeration and the control transfer process
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT 2014 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 "usbh_core.h"
-
-
-/** @addtogroup USBH_LIB
- * @{
- */
-
-/** @addtogroup USBH_LIB_CORE
- * @{
- */
-
-/** @defgroup USBH_CORE
- * @brief TThis file handles the basic enumaration when a device is connected
- * to the host.
- * @{
- */
-
-
-/** @defgroup USBH_CORE_Private_Defines
- * @{
- */
-#define USBH_ADDRESS_DEFAULT 0
-#define USBH_ADDRESS_ASSIGNED 1
-#define USBH_MPS_DEFAULT 0x40
-/**
- * @}
- */
-
-/** @defgroup USBH_CORE_Private_Macros
- * @{
- */
-/**
- * @}
- */
-
-
-/** @defgroup USBH_CORE_Private_Variables
- * @{
- */
-/**
- * @}
- */
-
-
-/** @defgroup USBH_CORE_Private_Functions
- * @{
- */
-static USBH_StatusTypeDef USBH_HandleEnum (USBH_HandleTypeDef *phost);
-static void USBH_HandleSof (USBH_HandleTypeDef *phost);
-static USBH_StatusTypeDef DeInitStateMachine(USBH_HandleTypeDef *phost);
-
-#if (USBH_USE_OS == 1)
-static void USBH_Process_OS(void const * argument);
-#endif
-
-/**
- * @brief HCD_Init
- * Initialize the HOST Core.
- * @param phost: Host Handle
- * @param pUsrFunc: User Callback
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_Init(USBH_HandleTypeDef *phost, void (*pUsrFunc)(USBH_HandleTypeDef *phost, uint8_t ), uint8_t id)
-{
- /* Check whether the USB Host handle is valid */
- if(phost == NULL)
- {
- USBH_ErrLog("Invalid Host handle");
- return USBH_FAIL;
- }
-
- /* Set DRiver ID */
- phost->id = id;
-
- /* Unlink class*/
- phost->pActiveClass = NULL;
- phost->ClassNumber = 0;
-
- /* Restore default states and prepare EP0 */
- DeInitStateMachine(phost);
-
- /* Assign User process */
- if(pUsrFunc != NULL)
- {
- phost->pUser = pUsrFunc;
- }
-
-#if (USBH_USE_OS == 1)
-
- /* Create USB Host Queue */
- osMessageQDef(USBH_Queue, 10, uint16_t);
- phost->os_event = osMessageCreate (osMessageQ(USBH_Queue), NULL);
-
- /*Create USB Host Task */
- osThreadDef(USBH_Thread, USBH_Process_OS, USBH_PROCESS_PRIO, 0, 8 * configMINIMAL_STACK_SIZE);
- phost->thread = osThreadCreate (osThread(USBH_Thread), phost);
-#endif
-
- /* Initialize low level driver */
- USBH_LL_Init(phost);
- return USBH_OK;
-}
-
-/**
- * @brief HCD_Init
- * De-Initialize the Host portion of the driver.
- * @param phost: Host Handle
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_DeInit(USBH_HandleTypeDef *phost)
-{
- DeInitStateMachine(phost);
-
- if(phost->pData != NULL)
- {
- phost->pActiveClass->pData = NULL;
- USBH_LL_Stop(phost);
- }
-
- return USBH_OK;
-}
-
-/**
- * @brief DeInitStateMachine
- * De-Initialize the Host state machine.
- * @param phost: Host Handle
- * @retval USBH Status
- */
-static USBH_StatusTypeDef DeInitStateMachine(USBH_HandleTypeDef *phost)
-{
- uint32_t i = 0;
-
- /* Clear Pipes flags*/
- for ( ; i < USBH_MAX_PIPES_NBR; i++)
- {
- phost->Pipes[i] = 0;
- }
-
- for(i = 0; i< USBH_MAX_DATA_BUFFER; i++)
- {
- phost->device.Data[i] = 0;
- }
-
- phost->gState = HOST_IDLE;
- phost->EnumState = ENUM_IDLE;
- phost->RequestState = CMD_SEND;
- phost->Timer = 0;
-
- phost->Control.state = CTRL_SETUP;
- phost->Control.pipe_size = USBH_MPS_DEFAULT;
- phost->Control.errorcount = 0;
-
- phost->device.address = USBH_ADDRESS_DEFAULT;
- phost->device.speed = USBH_SPEED_FULL;
-
- return USBH_OK;
-}
-
-/**
- * @brief USBH_RegisterClass
- * Link class driver to Host Core.
- * @param phost : Host Handle
- * @param pclass: Class handle
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_RegisterClass(USBH_HandleTypeDef *phost, USBH_ClassTypeDef *pclass)
-{
- USBH_StatusTypeDef status = USBH_OK;
-
- if(pclass != 0)
- {
- if(phost->ClassNumber < USBH_MAX_NUM_SUPPORTED_CLASS)
- {
- /* link the class tgo the USB Host handle */
- phost->pClass[phost->ClassNumber++] = pclass;
- status = USBH_OK;
- }
- else
- {
- USBH_ErrLog("Max Class Number reached");
- status = USBH_FAIL;
- }
- }
- else
- {
- USBH_ErrLog("Invalid Class handle");
- status = USBH_FAIL;
- }
-
- return status;
-}
-
-/**
- * @brief USBH_SelectInterface
- * Select current interface.
- * @param phost: Host Handle
- * @param interface: Interface number
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_SelectInterface(USBH_HandleTypeDef *phost, uint8_t interface)
-{
- USBH_StatusTypeDef status = USBH_OK;
-
- if(interface < phost->device.CfgDesc.bNumInterfaces)
- {
- phost->device.current_interface = interface;
- USBH_UsrLog ("Switching to Interface (#%d)", interface);
- USBH_UsrLog ("Class : %xh", phost->device.CfgDesc.Itf_Desc[interface].bInterfaceClass );
- USBH_UsrLog ("SubClass : %xh", phost->device.CfgDesc.Itf_Desc[interface].bInterfaceSubClass );
- USBH_UsrLog ("Protocol : %xh", phost->device.CfgDesc.Itf_Desc[interface].bInterfaceProtocol );
- }
- else
- {
- USBH_ErrLog ("Cannot Select This Interface.");
- status = USBH_FAIL;
- }
- return status;
-}
-
-/**
- * @brief USBH_GetActiveClass
- * Return Device Class.
- * @param phost: Host Handle
- * @param interface: Interface index
- * @retval Class Code
- */
-uint8_t USBH_GetActiveClass(USBH_HandleTypeDef *phost)
-{
- return (phost->device.CfgDesc.Itf_Desc[0].bInterfaceClass);
-}
-/**
- * @brief USBH_FindInterface
- * Find the interface index for a specific class.
- * @param phost: Host Handle
- * @param Class: Class code
- * @param SubClass: SubClass code
- * @param Protocol: Protocol code
- * @retval interface index in the configuration structure
- * @note : (1)interface index 0xFF means interface index not found
- */
-uint8_t USBH_FindInterface(USBH_HandleTypeDef *phost, uint8_t Class, uint8_t SubClass, uint8_t Protocol)
-{
- USBH_InterfaceDescTypeDef *pif ;
- USBH_CfgDescTypeDef *pcfg ;
- int8_t if_ix = 0;
-
- pif = (USBH_InterfaceDescTypeDef *)0;
- pcfg = &phost->device.CfgDesc;
-
- if((pif->bInterfaceClass == 0xFF) &&(pif->bInterfaceSubClass == 0xFF) && (pif->bInterfaceProtocol == 0xFF))
- {
- return 0xFF;
- }
-
- while (if_ix < USBH_MAX_NUM_INTERFACES)
- {
- pif = &pcfg->Itf_Desc[if_ix];
- if(((pif->bInterfaceClass == Class) || (Class == 0xFF))&&
- ((pif->bInterfaceSubClass == SubClass) || (SubClass == 0xFF))&&
- ((pif->bInterfaceProtocol == Protocol) || (Protocol == 0xFF)))
- {
- return if_ix;
- }
- if_ix++;
- }
- return 0xFF;
-}
-
-/**
- * @brief USBH_FindInterfaceIndex
- * Find the interface index for a specific class interface and alternate setting number.
- * @param phost: Host Handle
- * @param interface_number: interface number
- * @param alt_settings : alaternate setting number
- * @retval interface index in the configuration structure
- * @note : (1)interface index 0xFF means interface index not found
- */
-uint8_t USBH_FindInterfaceIndex(USBH_HandleTypeDef *phost, uint8_t interface_number, uint8_t alt_settings)
-{
- USBH_InterfaceDescTypeDef *pif ;
- USBH_CfgDescTypeDef *pcfg ;
- int8_t if_ix = 0;
-
- pif = (USBH_InterfaceDescTypeDef *)0;
- pcfg = &phost->device.CfgDesc;
-
- while (if_ix < USBH_MAX_NUM_INTERFACES)
- {
- pif = &pcfg->Itf_Desc[if_ix];
- if((pif->bInterfaceNumber == interface_number) && (pif->bAlternateSetting == alt_settings))
- {
- return if_ix;
- }
- if_ix++;
- }
- return 0xFF;
-}
-
-/**
- * @brief USBH_Start
- * Start the USB Host Core.
- * @param phost: Host Handle
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_Start (USBH_HandleTypeDef *phost)
-{
- /* Start the low level driver */
- USBH_LL_Start(phost);
-
- /* Activate VBUS on the port */
- USBH_LL_DriverVBUS (phost, TRUE);
-
- return USBH_OK;
-}
-
-/**
- * @brief USBH_Stop
- * Stop the USB Host Core.
- * @param phost: Host Handle
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_Stop (USBH_HandleTypeDef *phost)
-{
- /* Stop and cleanup the low level driver */
- USBH_LL_Stop(phost);
-
- /* DeActivate VBUS on the port */
- USBH_LL_DriverVBUS (phost, FALSE);
-
- /* FRee Control Pipes */
- USBH_FreePipe (phost, phost->Control.pipe_in);
- USBH_FreePipe (phost, phost->Control.pipe_out);
-
- return USBH_OK;
-}
-
-/**
- * @brief HCD_ReEnumerate
- * Perform a new Enumeration phase.
- * @param phost: Host Handle
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_ReEnumerate (USBH_HandleTypeDef *phost)
-{
- /*Stop Host */
- USBH_Stop(phost);
-
- /*Device has disconnected, so wait for 200 ms */
- USBH_Delay(200);
-
- /* Set State machines in default state */
- DeInitStateMachine(phost);
-
- /* Start again the host */
- USBH_Start(phost);
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_PORT_EVENT, 0);
-#endif
- return USBH_OK;
-}
-
-/**
- * @brief USBH_Process
- * Background process of the USB Core.
- * @param phost: Host Handle
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_Process(USBH_HandleTypeDef *phost)
-{
- __IO USBH_StatusTypeDef status = USBH_FAIL;
- uint8_t idx = 0;
-
- switch (phost->gState)
- {
- case HOST_IDLE :
-
- if (phost->device.is_connected)
- {
- /* Wait for 200 ms after connection */
- phost->gState = HOST_DEV_WAIT_FOR_ATTACHMENT;
- USBH_Delay(200);
- USBH_LL_ResetPort(phost);
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_PORT_EVENT, 0);
-#endif
- }
- break;
-
- case HOST_DEV_WAIT_FOR_ATTACHMENT:
- break;
-
- case HOST_DEV_ATTACHED :
-
- USBH_UsrLog("USB Device Attached");
-
- /* Wait for 100 ms after Reset */
- USBH_Delay(100);
-
- phost->device.speed = USBH_LL_GetSpeed(phost);
-
- phost->gState = HOST_ENUMERATION;
-
- phost->Control.pipe_out = USBH_AllocPipe (phost, 0x00);
- phost->Control.pipe_in = USBH_AllocPipe (phost, 0x80);
-
-
- /* Open Control pipes */
- USBH_OpenPipe (phost,
- phost->Control.pipe_in,
- 0x80,
- phost->device.address,
- phost->device.speed,
- USBH_EP_CONTROL,
- phost->Control.pipe_size);
-
- /* Open Control pipes */
- USBH_OpenPipe (phost,
- phost->Control.pipe_out,
- 0x00,
- phost->device.address,
- phost->device.speed,
- USBH_EP_CONTROL,
- phost->Control.pipe_size);
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_PORT_EVENT, 0);
-#endif
-
- break;
-
- case HOST_ENUMERATION:
- /* Check for enumeration status */
- if ( USBH_HandleEnum(phost) == USBH_OK)
- {
- /* The function shall return USBH_OK when full enumeration is complete */
- USBH_UsrLog ("Enumeration done.");
- phost->device.current_interface = 0;
- if(phost->device.DevDesc.bNumConfigurations == 1)
- {
- USBH_UsrLog ("This device has only 1 configuration.");
- phost->gState = HOST_SET_CONFIGURATION;
-
- }
- else
- {
- phost->gState = HOST_INPUT;
- }
-
- }
- break;
-
- case HOST_INPUT:
- {
- /* user callback for end of device basic enumeration */
- if(phost->pUser != NULL)
- {
- phost->pUser(phost, HOST_USER_SELECT_CONFIGURATION);
- phost->gState = HOST_SET_CONFIGURATION;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_STATE_CHANGED_EVENT, 0);
-#endif
- }
- }
- break;
-
- case HOST_SET_CONFIGURATION:
- /* set configuration */
- if (USBH_SetCfg(phost, phost->device.CfgDesc.bConfigurationValue) == USBH_OK)
- {
- phost->gState = HOST_CHECK_CLASS;
- USBH_UsrLog ("Default configuration set.");
-
- }
-
- break;
-
- case HOST_CHECK_CLASS:
-
- if(phost->ClassNumber == 0)
- {
- USBH_UsrLog ("No Class has been registered.");
- }
- else
- {
- phost->pActiveClass = NULL;
-
- for (idx = 0; idx < USBH_MAX_NUM_SUPPORTED_CLASS ; idx ++)
- {
- if(phost->pClass[idx]->ClassCode == phost->device.CfgDesc.Itf_Desc[0].bInterfaceClass)
- {
- phost->pActiveClass = phost->pClass[idx];
- }
- }
-
- if(phost->pActiveClass != NULL)
- {
- if(phost->pActiveClass->Init(phost)== USBH_OK)
- {
- phost->gState = HOST_CLASS_REQUEST;
- USBH_UsrLog ("%s class started.", phost->pActiveClass->Name);
-
- /* Inform user that a class has been activated */
- phost->pUser(phost, HOST_USER_CLASS_SELECTED);
- }
- else
- {
- phost->gState = HOST_ABORT_STATE;
- USBH_UsrLog ("Device not supporting %s class.", phost->pActiveClass->Name);
- }
- }
- else
- {
- phost->gState = HOST_ABORT_STATE;
- USBH_UsrLog ("No registered class for this device.");
- }
- }
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_STATE_CHANGED_EVENT, 0);
-#endif
- break;
-
- case HOST_CLASS_REQUEST:
- /* process class standard contol requests state machine */
-
- if(phost->pActiveClass != NULL)
- {
- status = phost->pActiveClass->Requests(phost);
-
- if(status == USBH_OK)
- {
- phost->gState = HOST_CLASS;
- }
- }
- else
- {
- phost->gState = HOST_ABORT_STATE;
- USBH_ErrLog ("Invalid Class Driver.");
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_STATE_CHANGED_EVENT, 0);
-#endif
- }
-
- break;
- case HOST_CLASS:
- /* process class state machine */
- if(phost->pActiveClass != NULL)
- {
- phost->pActiveClass->BgndProcess(phost);
- }
- break;
-
- case HOST_DEV_DISCONNECTED :
-
- DeInitStateMachine(phost);
-
- /* Re-Initilaize Host for new Enumeration */
- if(phost->pActiveClass != NULL)
- {
- phost->pActiveClass->DeInit(phost);
- phost->pActiveClass = NULL;
- }
- break;
-
- case HOST_ABORT_STATE:
- default :
- break;
- }
- return USBH_OK;
-}
-
-
-/**
- * @brief USBH_HandleEnum
- * This function includes the complete enumeration process
- * @param phost: Host Handle
- * @retval USBH_Status
- */
-static USBH_StatusTypeDef USBH_HandleEnum (USBH_HandleTypeDef *phost)
-{
- USBH_StatusTypeDef Status = USBH_BUSY;
-
- switch (phost->EnumState)
- {
- case ENUM_IDLE:
- /* Get Device Desc for only 1st 8 bytes : To get EP0 MaxPacketSize */
- if ( USBH_Get_DevDesc(phost, 8) == USBH_OK)
- {
- phost->Control.pipe_size = phost->device.DevDesc.bMaxPacketSize;
-
- phost->EnumState = ENUM_GET_FULL_DEV_DESC;
-
- /* modify control channels configuration for MaxPacket size */
- USBH_OpenPipe (phost,
- phost->Control.pipe_in,
- 0x80,
- phost->device.address,
- phost->device.speed,
- USBH_EP_CONTROL,
- phost->Control.pipe_size);
-
- /* Open Control pipes */
- USBH_OpenPipe (phost,
- phost->Control.pipe_out,
- 0x00,
- phost->device.address,
- phost->device.speed,
- USBH_EP_CONTROL,
- phost->Control.pipe_size);
-
- }
- break;
-
- case ENUM_GET_FULL_DEV_DESC:
- /* Get FULL Device Desc */
- if ( USBH_Get_DevDesc(phost, USB_DEVICE_DESC_SIZE)== USBH_OK)
- {
- USBH_UsrLog("PID: %xh", phost->device.DevDesc.idProduct );
- USBH_UsrLog("VID: %xh", phost->device.DevDesc.idVendor );
-
- phost->EnumState = ENUM_SET_ADDR;
-
- }
- break;
-
- case ENUM_SET_ADDR:
- /* set address */
- if ( USBH_SetAddress(phost, USBH_DEVICE_ADDRESS) == USBH_OK)
- {
- USBH_Delay(2);
- phost->device.address = USBH_DEVICE_ADDRESS;
-
- /* user callback for device address assigned */
- USBH_UsrLog("Address (#%d) assigned.", phost->device.address);
- phost->EnumState = ENUM_GET_CFG_DESC;
-
- /* modify control channels to update device address */
- USBH_OpenPipe (phost,
- phost->Control.pipe_in,
- 0x80,
- phost->device.address,
- phost->device.speed,
- USBH_EP_CONTROL,
- phost->Control.pipe_size);
-
- /* Open Control pipes */
- USBH_OpenPipe (phost,
- phost->Control.pipe_out,
- 0x00,
- phost->device.address,
- phost->device.speed,
- USBH_EP_CONTROL,
- phost->Control.pipe_size);
- }
- break;
-
- case ENUM_GET_CFG_DESC:
- /* get standard configuration descriptor */
- if ( USBH_Get_CfgDesc(phost,
- USB_CONFIGURATION_DESC_SIZE) == USBH_OK)
- {
- phost->EnumState = ENUM_GET_FULL_CFG_DESC;
- }
- break;
-
- case ENUM_GET_FULL_CFG_DESC:
- /* get FULL config descriptor (config, interface, endpoints) */
- if (USBH_Get_CfgDesc(phost,
- phost->device.CfgDesc.wTotalLength) == USBH_OK)
- {
- phost->EnumState = ENUM_GET_MFC_STRING_DESC;
- }
- break;
-
- case ENUM_GET_MFC_STRING_DESC:
- if (phost->device.DevDesc.iManufacturer != 0)
- { /* Check that Manufacturer String is available */
-
- if ( USBH_Get_StringDesc(phost,
- phost->device.DevDesc.iManufacturer,
- phost->device.Data ,
- 0xff) == USBH_OK)
- {
- /* User callback for Manufacturing string */
- USBH_UsrLog("Manufacturer : %s", (char *)phost->device.Data);
- phost->EnumState = ENUM_GET_PRODUCT_STRING_DESC;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_STATE_CHANGED_EVENT, 0);
-#endif
- }
- }
- else
- {
- USBH_UsrLog("Manufacturer : N/A");
- phost->EnumState = ENUM_GET_PRODUCT_STRING_DESC;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_STATE_CHANGED_EVENT, 0);
-#endif
- }
- break;
-
- case ENUM_GET_PRODUCT_STRING_DESC:
- if (phost->device.DevDesc.iProduct != 0)
- { /* Check that Product string is available */
- if ( USBH_Get_StringDesc(phost,
- phost->device.DevDesc.iProduct,
- phost->device.Data,
- 0xff) == USBH_OK)
- {
- /* User callback for Product string */
- USBH_UsrLog("Product : %s", (char *)phost->device.Data);
- phost->EnumState = ENUM_GET_SERIALNUM_STRING_DESC;
- }
- }
- else
- {
- USBH_UsrLog("Product : N/A");
- phost->EnumState = ENUM_GET_SERIALNUM_STRING_DESC;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_STATE_CHANGED_EVENT, 0);
-#endif
- }
- break;
-
- case ENUM_GET_SERIALNUM_STRING_DESC:
- if (phost->device.DevDesc.iSerialNumber != 0)
- { /* Check that Serial number string is available */
- if ( USBH_Get_StringDesc(phost,
- phost->device.DevDesc.iSerialNumber,
- phost->device.Data,
- 0xff) == USBH_OK)
- {
- /* User callback for Serial number string */
- USBH_UsrLog("Serial Number : %s", (char *)phost->device.Data);
- Status = USBH_OK;
- }
- }
- else
- {
- USBH_UsrLog("Serial Number : N/A");
- Status = USBH_OK;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_STATE_CHANGED_EVENT, 0);
-#endif
- }
- break;
-
- default:
- break;
- }
- return Status;
-}
-
-/**
- * @brief USBH_LL_SetTimer
- * Set the initial Host Timer tick
- * @param phost: Host Handle
- * @retval None
- */
-void USBH_LL_SetTimer (USBH_HandleTypeDef *phost, uint32_t time)
-{
- phost->Timer = time;
-}
-/**
- * @brief USBH_LL_IncTimer
- * Increment Host Timer tick
- * @param phost: Host Handle
- * @retval None
- */
-void USBH_LL_IncTimer (USBH_HandleTypeDef *phost)
-{
- phost->Timer ++;
- USBH_HandleSof(phost);
-}
-
-/**
- * @brief USBH_HandleSof
- * Call SOF process
- * @param phost: Host Handle
- * @retval None
- */
-void USBH_HandleSof (USBH_HandleTypeDef *phost)
-{
- if((phost->gState == HOST_CLASS)&&(phost->pActiveClass != NULL))
- {
- phost->pActiveClass->SOFProcess(phost);
- }
-}
-/**
- * @brief USBH_LL_Connect
- * Handle USB Host connexion event
- * @param phost: Host Handle
- * @retval USBH_Status
- */
-USBH_StatusTypeDef USBH_LL_Connect (USBH_HandleTypeDef *phost)
-{
- if(phost->gState == HOST_IDLE )
- {
- phost->device.is_connected = 1;
- phost->gState = HOST_IDLE ;
-
- if(phost->pUser != NULL)
- {
- phost->pUser(phost, HOST_USER_CONNECTION);
- }
- }
- else if(phost->gState == HOST_DEV_WAIT_FOR_ATTACHMENT )
- {
- phost->gState = HOST_DEV_ATTACHED ;
- }
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_PORT_EVENT, 0);
-#endif
-
- return USBH_OK;
-}
-
-/**
- * @brief USBH_LL_Disconnect
- * Handle USB Host disconnexion event
- * @param phost: Host Handle
- * @retval USBH_Status
- */
-USBH_StatusTypeDef USBH_LL_Disconnect (USBH_HandleTypeDef *phost)
-{
- /*Stop Host */
- USBH_LL_Stop(phost);
-
- /* FRee Control Pipes */
- USBH_FreePipe (phost, phost->Control.pipe_in);
- USBH_FreePipe (phost, phost->Control.pipe_out);
-
- phost->device.is_connected = 0;
-
- if(phost->pUser != NULL)
- {
- phost->pUser(phost, HOST_USER_DISCONNECTION);
- }
- USBH_UsrLog("USB Device disconnected");
-
- /* Start the low level driver */
- USBH_LL_Start(phost);
-
- phost->gState = HOST_DEV_DISCONNECTED;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_PORT_EVENT, 0);
-#endif
-
- return USBH_OK;
-}
-
-
-#if (USBH_USE_OS == 1)
-/**
- * @brief USB Host Thread task
- * @param pvParameters not used
- * @retval None
- */
-static void USBH_Process_OS(void const * argument)
-{
- osEvent event;
-
- for(;;)
- {
- event = osMessageGet(((USBH_HandleTypeDef *)argument)->os_event, osWaitForever );
-
- if( event.status == osEventMessage )
- {
- USBH_Process((USBH_HandleTypeDef *)argument);
- }
- }
-}
-
-/**
-* @brief USBH_LL_NotifyURBChange
-* Notify URB state Change
-* @param phost: Host handle
-* @retval USBH Status
-*/
-USBH_StatusTypeDef USBH_LL_NotifyURBChange (USBH_HandleTypeDef *phost)
-{
- osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
- return USBH_OK;
-}
-#endif
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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