diff options
| author | Damien George | 2017-09-06 13:40:51 +1000 |
|---|---|---|
| committer | Damien George | 2017-09-06 13:40:51 +1000 |
| commit | 01dd7804b87d60b2deab16712eccb3b97351a9b7 (patch) | |
| tree | 1aa21f38a872b8e62a3d4e4f74f68033c6f827e4 /stmhal/usbhost/Core/Src/usbh_ctlreq.c | |
| parent | a9862b30068fc9df1022f08019fb35aaa5085f64 (diff) | |
ports: Make new ports/ sub-directory and move all ports there.
This is to keep the top-level directory clean, to make it clear what is
core and what is a port, and to allow the repository to grow with new ports
in a sustainable way.
Diffstat (limited to 'stmhal/usbhost/Core/Src/usbh_ctlreq.c')
| -rw-r--r-- | stmhal/usbhost/Core/Src/usbh_ctlreq.c | 881 |
1 files changed, 0 insertions, 881 deletions
diff --git a/stmhal/usbhost/Core/Src/usbh_ctlreq.c b/stmhal/usbhost/Core/Src/usbh_ctlreq.c deleted file mode 100644 index 58bc34d64..000000000 --- a/stmhal/usbhost/Core/Src/usbh_ctlreq.c +++ /dev/null @@ -1,881 +0,0 @@ -/**
- ******************************************************************************
- * @file usbh_ctlreq.c
- * @author MCD Application Team
- * @version V3.0.0
- * @date 18-February-2014
- * @brief This file implements the control requests for device enumeration
- ******************************************************************************
- * @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_ctlreq.h"
-
-/** @addtogroup USBH_LIB
-* @{
-*/
-
-/** @addtogroup USBH_LIB_CORE
-* @{
-*/
-
-/** @defgroup USBH_CTLREQ
-* @brief This file implements the standard requests for device enumeration
-* @{
-*/
-
-
-/** @defgroup USBH_CTLREQ_Private_Defines
-* @{
-*/
-/**
-* @}
-*/
-
-
-/** @defgroup USBH_CTLREQ_Private_TypesDefinitions
-* @{
-*/
-/**
-* @}
-*/
-
-
-
-/** @defgroup USBH_CTLREQ_Private_Macros
-* @{
-*/
-/**
-* @}
-*/
-
-
-/** @defgroup USBH_CTLREQ_Private_Variables
-* @{
-*/
-/**
-* @}
-*/
-
-/** @defgroup USBH_CTLREQ_Private_FunctionPrototypes
-* @{
-*/
-static USBH_StatusTypeDef USBH_HandleControl (USBH_HandleTypeDef *phost);
-
-static void USBH_ParseDevDesc (USBH_DevDescTypeDef* , uint8_t *buf, uint16_t length);
-
-static void USBH_ParseCfgDesc (USBH_CfgDescTypeDef* cfg_desc,
- uint8_t *buf,
- uint16_t length);
-
-
-static void USBH_ParseEPDesc (USBH_EpDescTypeDef *ep_descriptor, uint8_t *buf);
-static void USBH_ParseStringDesc (uint8_t* psrc, uint8_t* pdest, uint16_t length);
-static void USBH_ParseInterfaceDesc (USBH_InterfaceDescTypeDef *if_descriptor, uint8_t *buf);
-
-
-/**
-* @}
-*/
-
-
-/** @defgroup USBH_CTLREQ_Private_Functions
-* @{
-*/
-
-
-/**
- * @brief USBH_Get_DevDesc
- * Issue Get Device Descriptor command to the device. Once the response
- * received, it parses the device descriptor and updates the status.
- * @param phost: Host Handle
- * @param length: Length of the descriptor
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_Get_DevDesc(USBH_HandleTypeDef *phost, uint8_t length)
-{
- USBH_StatusTypeDef status;
-
- if((status = USBH_GetDescriptor(phost,
- USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD,
- USB_DESC_DEVICE,
- phost->device.Data,
- length)) == USBH_OK)
- {
- /* Commands successfully sent and Response Received */
- USBH_ParseDevDesc(&phost->device.DevDesc, phost->device.Data, length);
- }
- return status;
-}
-
-/**
- * @brief USBH_Get_CfgDesc
- * Issues Configuration Descriptor to the device. Once the response
- * received, it parses the configuartion descriptor and updates the
- * status.
- * @param phost: Host Handle
- * @param length: Length of the descriptor
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_Get_CfgDesc(USBH_HandleTypeDef *phost,
- uint16_t length)
-
-{
- USBH_StatusTypeDef status;
- uint8_t *pData;
-#if (USBH_KEEP_CFG_DESCRIPTOR == 1)
- pData = phost->device.CfgDesc_Raw;
-#else
- pData = phost->device.Data;
-#endif
- if((status = USBH_GetDescriptor(phost,
- USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD,
- USB_DESC_CONFIGURATION,
- pData,
- length)) == USBH_OK)
- {
-
- /* Commands successfully sent and Response Received */
- USBH_ParseCfgDesc (&phost->device.CfgDesc,
- pData,
- length);
-
- }
- return status;
-}
-
-
-/**
- * @brief USBH_Get_StringDesc
- * Issues string Descriptor command to the device. Once the response
- * received, it parses the string descriptor and updates the status.
- * @param phost: Host Handle
- * @param string_index: String index for the descriptor
- * @param buff: Buffer address for the descriptor
- * @param length: Length of the descriptor
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_Get_StringDesc(USBH_HandleTypeDef *phost,
- uint8_t string_index,
- uint8_t *buff,
- uint16_t length)
-{
- USBH_StatusTypeDef status;
- if((status = USBH_GetDescriptor(phost,
- USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD,
- USB_DESC_STRING | string_index,
- phost->device.Data,
- length)) == USBH_OK)
- {
- /* Commands successfully sent and Response Received */
- USBH_ParseStringDesc(phost->device.Data,buff, length);
- }
- return status;
-}
-
-/**
- * @brief USBH_GetDescriptor
- * Issues Descriptor command to the device. Once the response received,
- * it parses the descriptor and updates the status.
- * @param phost: Host Handle
- * @param req_type: Descriptor type
- * @param value_idx: wValue for the GetDescriptr request
- * @param buff: Buffer to store the descriptor
- * @param length: Length of the descriptor
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_GetDescriptor(USBH_HandleTypeDef *phost,
- uint8_t req_type,
- uint16_t value_idx,
- uint8_t* buff,
- uint16_t length )
-{
- if(phost->RequestState == CMD_SEND)
- {
- phost->Control.setup.b.bmRequestType = USB_D2H | req_type;
- phost->Control.setup.b.bRequest = USB_REQ_GET_DESCRIPTOR;
- phost->Control.setup.b.wValue.w = value_idx;
-
- if ((value_idx & 0xff00) == USB_DESC_STRING)
- {
- phost->Control.setup.b.wIndex.w = 0x0409;
- }
- else
- {
- phost->Control.setup.b.wIndex.w = 0;
- }
- phost->Control.setup.b.wLength.w = length;
- }
- return USBH_CtlReq(phost, buff , length );
-}
-
-/**
- * @brief USBH_SetAddress
- * This command sets the address to the connected device
- * @param phost: Host Handle
- * @param DeviceAddress: Device address to assign
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_SetAddress(USBH_HandleTypeDef *phost,
- uint8_t DeviceAddress)
-{
- if(phost->RequestState == CMD_SEND)
- {
- phost->Control.setup.b.bmRequestType = USB_H2D | USB_REQ_RECIPIENT_DEVICE | \
- USB_REQ_TYPE_STANDARD;
-
- phost->Control.setup.b.bRequest = USB_REQ_SET_ADDRESS;
-
- phost->Control.setup.b.wValue.w = (uint16_t)DeviceAddress;
- phost->Control.setup.b.wIndex.w = 0;
- phost->Control.setup.b.wLength.w = 0;
- }
- return USBH_CtlReq(phost, 0 , 0 );
-}
-
-/**
- * @brief USBH_SetCfg
- * The command sets the configuration value to the connected device
- * @param phost: Host Handle
- * @param cfg_idx: Configuration value
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_SetCfg(USBH_HandleTypeDef *phost,
- uint16_t cfg_idx)
-{
- if(phost->RequestState == CMD_SEND)
- {
- phost->Control.setup.b.bmRequestType = USB_H2D | USB_REQ_RECIPIENT_DEVICE |\
- USB_REQ_TYPE_STANDARD;
- phost->Control.setup.b.bRequest = USB_REQ_SET_CONFIGURATION;
- phost->Control.setup.b.wValue.w = cfg_idx;
- phost->Control.setup.b.wIndex.w = 0;
- phost->Control.setup.b.wLength.w = 0;
- }
-
- return USBH_CtlReq(phost, 0 , 0 );
-}
-
-/**
- * @brief USBH_SetInterface
- * The command sets the Interface value to the connected device
- * @param phost: Host Handle
- * @param altSetting: Interface value
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_SetInterface(USBH_HandleTypeDef *phost,
- uint8_t ep_num, uint8_t altSetting)
-{
-
- if(phost->RequestState == CMD_SEND)
- {
- phost->Control.setup.b.bmRequestType = USB_H2D | USB_REQ_RECIPIENT_INTERFACE | \
- USB_REQ_TYPE_STANDARD;
-
- phost->Control.setup.b.bRequest = USB_REQ_SET_INTERFACE;
- phost->Control.setup.b.wValue.w = altSetting;
- phost->Control.setup.b.wIndex.w = ep_num;
- phost->Control.setup.b.wLength.w = 0;
- }
- return USBH_CtlReq(phost, 0 , 0 );
-}
-
-/**
- * @brief USBH_ClrFeature
- * This request is used to clear or disable a specific feature.
- * @param phost: Host Handle
- * @param ep_num: endpoint number
- * @param hc_num: Host channel number
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_ClrFeature(USBH_HandleTypeDef *phost,
- uint8_t ep_num)
-{
- if(phost->RequestState == CMD_SEND)
- {
- phost->Control.setup.b.bmRequestType = USB_H2D |
- USB_REQ_RECIPIENT_ENDPOINT |
- USB_REQ_TYPE_STANDARD;
-
- phost->Control.setup.b.bRequest = USB_REQ_CLEAR_FEATURE;
- phost->Control.setup.b.wValue.w = FEATURE_SELECTOR_ENDPOINT;
- phost->Control.setup.b.wIndex.w = ep_num;
- phost->Control.setup.b.wLength.w = 0;
- }
- return USBH_CtlReq(phost, 0 , 0 );
-}
-
-/**
- * @brief USBH_ParseDevDesc
- * This function Parses the device descriptor
- * @param dev_desc: device_descriptor destinaton address
- * @param buf: Buffer where the source descriptor is available
- * @param length: Length of the descriptor
- * @retval None
- */
-static void USBH_ParseDevDesc (USBH_DevDescTypeDef* dev_desc,
- uint8_t *buf,
- uint16_t length)
-{
- dev_desc->bLength = *(uint8_t *) (buf + 0);
- dev_desc->bDescriptorType = *(uint8_t *) (buf + 1);
- dev_desc->bcdUSB = LE16 (buf + 2);
- dev_desc->bDeviceClass = *(uint8_t *) (buf + 4);
- dev_desc->bDeviceSubClass = *(uint8_t *) (buf + 5);
- dev_desc->bDeviceProtocol = *(uint8_t *) (buf + 6);
- dev_desc->bMaxPacketSize = *(uint8_t *) (buf + 7);
-
- if (length > 8)
- { /* For 1st time after device connection, Host may issue only 8 bytes for
- Device Descriptor Length */
- dev_desc->idVendor = LE16 (buf + 8);
- dev_desc->idProduct = LE16 (buf + 10);
- dev_desc->bcdDevice = LE16 (buf + 12);
- dev_desc->iManufacturer = *(uint8_t *) (buf + 14);
- dev_desc->iProduct = *(uint8_t *) (buf + 15);
- dev_desc->iSerialNumber = *(uint8_t *) (buf + 16);
- dev_desc->bNumConfigurations = *(uint8_t *) (buf + 17);
- }
-}
-
-/**
- * @brief USBH_ParseCfgDesc
- * This function Parses the configuration descriptor
- * @param cfg_desc: Configuration Descriptor address
- * @param buf: Buffer where the source descriptor is available
- * @param length: Length of the descriptor
- * @retval None
- */
-static void USBH_ParseCfgDesc (USBH_CfgDescTypeDef* cfg_desc,
- uint8_t *buf,
- uint16_t length)
-{
- USBH_InterfaceDescTypeDef *pif ;
- USBH_EpDescTypeDef *pep;
- USBH_DescHeader_t *pdesc = (USBH_DescHeader_t *)buf;
- uint16_t ptr;
- int8_t if_ix = 0;
- int8_t ep_ix = 0;
-
- pdesc = (USBH_DescHeader_t *)buf;
-
- /* Parse configuration descriptor */
- cfg_desc->bLength = *(uint8_t *) (buf + 0);
- cfg_desc->bDescriptorType = *(uint8_t *) (buf + 1);
- cfg_desc->wTotalLength = LE16 (buf + 2);
- cfg_desc->bNumInterfaces = *(uint8_t *) (buf + 4);
- cfg_desc->bConfigurationValue = *(uint8_t *) (buf + 5);
- cfg_desc->iConfiguration = *(uint8_t *) (buf + 6);
- cfg_desc->bmAttributes = *(uint8_t *) (buf + 7);
- cfg_desc->bMaxPower = *(uint8_t *) (buf + 8);
-
-
- if (length > USB_CONFIGURATION_DESC_SIZE)
- {
- ptr = USB_LEN_CFG_DESC;
- pif = (USBH_InterfaceDescTypeDef *)0;
-
-
- while ((if_ix < USBH_MAX_NUM_INTERFACES ) && (ptr < cfg_desc->wTotalLength))
- {
- pdesc = USBH_GetNextDesc((uint8_t *)pdesc, &ptr);
- if (pdesc->bDescriptorType == USB_DESC_TYPE_INTERFACE)
- {
- pif = &cfg_desc->Itf_Desc[if_ix];
- USBH_ParseInterfaceDesc (pif, (uint8_t *)pdesc);
-
- ep_ix = 0;
- pep = (USBH_EpDescTypeDef *)0;
- while ((ep_ix < pif->bNumEndpoints) && (ptr < cfg_desc->wTotalLength))
- {
- pdesc = USBH_GetNextDesc((void* )pdesc, &ptr);
- if (pdesc->bDescriptorType == USB_DESC_TYPE_ENDPOINT)
- {
- pep = &cfg_desc->Itf_Desc[if_ix].Ep_Desc[ep_ix];
- USBH_ParseEPDesc (pep, (uint8_t *)pdesc);
- ep_ix++;
- }
- }
- if_ix++;
- }
- }
- }
-}
-
-
-
-/**
- * @brief USBH_ParseInterfaceDesc
- * This function Parses the interface descriptor
- * @param if_descriptor : Interface descriptor destination
- * @param buf: Buffer where the descriptor data is available
- * @retval None
- */
-static void USBH_ParseInterfaceDesc (USBH_InterfaceDescTypeDef *if_descriptor,
- uint8_t *buf)
-{
- if_descriptor->bLength = *(uint8_t *) (buf + 0);
- if_descriptor->bDescriptorType = *(uint8_t *) (buf + 1);
- if_descriptor->bInterfaceNumber = *(uint8_t *) (buf + 2);
- if_descriptor->bAlternateSetting = *(uint8_t *) (buf + 3);
- if_descriptor->bNumEndpoints = *(uint8_t *) (buf + 4);
- if_descriptor->bInterfaceClass = *(uint8_t *) (buf + 5);
- if_descriptor->bInterfaceSubClass = *(uint8_t *) (buf + 6);
- if_descriptor->bInterfaceProtocol = *(uint8_t *) (buf + 7);
- if_descriptor->iInterface = *(uint8_t *) (buf + 8);
-}
-
-/**
- * @brief USBH_ParseEPDesc
- * This function Parses the endpoint descriptor
- * @param ep_descriptor: Endpoint descriptor destination address
- * @param buf: Buffer where the parsed descriptor stored
- * @retval None
- */
-static void USBH_ParseEPDesc (USBH_EpDescTypeDef *ep_descriptor,
- uint8_t *buf)
-{
-
- ep_descriptor->bLength = *(uint8_t *) (buf + 0);
- ep_descriptor->bDescriptorType = *(uint8_t *) (buf + 1);
- ep_descriptor->bEndpointAddress = *(uint8_t *) (buf + 2);
- ep_descriptor->bmAttributes = *(uint8_t *) (buf + 3);
- ep_descriptor->wMaxPacketSize = LE16 (buf + 4);
- ep_descriptor->bInterval = *(uint8_t *) (buf + 6);
-}
-
-/**
- * @brief USBH_ParseStringDesc
- * This function Parses the string descriptor
- * @param psrc: Source pointer containing the descriptor data
- * @param pdest: Destination address pointer
- * @param length: Length of the descriptor
- * @retval None
- */
-static void USBH_ParseStringDesc (uint8_t* psrc,
- uint8_t* pdest,
- uint16_t length)
-{
- uint16_t strlength;
- uint16_t idx;
-
- /* The UNICODE string descriptor is not NULL-terminated. The string length is
- computed by substracting two from the value of the first byte of the descriptor.
- */
-
- /* Check which is lower size, the Size of string or the length of bytes read
- from the device */
-
- if ( psrc[1] == USB_DESC_TYPE_STRING)
- { /* Make sure the Descriptor is String Type */
-
- /* psrc[0] contains Size of Descriptor, subtract 2 to get the length of string */
- strlength = ( ( (psrc[0]-2) <= length) ? (psrc[0]-2) :length);
- psrc += 2; /* Adjust the offset ignoring the String Len and Descriptor type */
-
- for (idx = 0; idx < strlength; idx+=2 )
- {/* Copy Only the string and ignore the UNICODE ID, hence add the src */
- *pdest = psrc[idx];
- pdest++;
- }
- *pdest = 0; /* mark end of string */
- }
-}
-
-/**
- * @brief USBH_GetNextDesc
- * This function return the next descriptor header
- * @param buf: Buffer where the cfg descriptor is available
- * @param ptr: data popinter inside the cfg descriptor
- * @retval next header
- */
-USBH_DescHeader_t *USBH_GetNextDesc (uint8_t *pbuf, uint16_t *ptr)
-{
- USBH_DescHeader_t *pnext;
-
- *ptr += ((USBH_DescHeader_t *)pbuf)->bLength;
- pnext = (USBH_DescHeader_t *)((uint8_t *)pbuf + \
- ((USBH_DescHeader_t *)pbuf)->bLength);
-
- return(pnext);
-}
-
-
-/**
- * @brief USBH_CtlReq
- * USBH_CtlReq sends a control request and provide the status after
- * completion of the request
- * @param phost: Host Handle
- * @param req: Setup Request Structure
- * @param buff: data buffer address to store the response
- * @param length: length of the response
- * @retval USBH Status
- */
-USBH_StatusTypeDef USBH_CtlReq (USBH_HandleTypeDef *phost,
- uint8_t *buff,
- uint16_t length)
-{
- USBH_StatusTypeDef status;
- status = USBH_BUSY;
-
- switch (phost->RequestState)
- {
- case CMD_SEND:
- /* Start a SETUP transfer */
- phost->Control.buff = buff;
- phost->Control.length = length;
- phost->Control.state = CTRL_SETUP;
- phost->RequestState = CMD_WAIT;
- status = USBH_BUSY;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- break;
-
- case CMD_WAIT:
- status = USBH_HandleControl(phost);
- if (status == USBH_OK)
- {
- /* Commands successfully sent and Response Received */
- phost->RequestState = CMD_SEND;
- phost->Control.state =CTRL_IDLE;
- status = USBH_OK;
- }
- else if (status == USBH_FAIL)
- {
- /* Failure Mode */
- phost->RequestState = CMD_SEND;
- status = USBH_FAIL;
- }
- break;
-
- default:
- break;
- }
- return status;
-}
-
-/**
- * @brief USBH_HandleControl
- * Handles the USB control transfer state machine
- * @param phost: Host Handle
- * @retval USBH Status
- */
-static USBH_StatusTypeDef USBH_HandleControl (USBH_HandleTypeDef *phost)
-{
- uint8_t direction;
- USBH_StatusTypeDef status = USBH_BUSY;
- USBH_URBStateTypeDef URB_Status = USBH_URB_IDLE;
-
- switch (phost->Control.state)
- {
- case CTRL_SETUP:
- /* send a SETUP packet */
- USBH_CtlSendSetup (phost,
- (uint8_t *)phost->Control.setup.d8 ,
- phost->Control.pipe_out);
-
- phost->Control.state = CTRL_SETUP_WAIT;
- break;
-
- case CTRL_SETUP_WAIT:
-
- URB_Status = USBH_LL_GetURBState(phost, phost->Control.pipe_out);
- /* case SETUP packet sent successfully */
- if(URB_Status == USBH_URB_DONE)
- {
- direction = (phost->Control.setup.b.bmRequestType & USB_REQ_DIR_MASK);
-
- /* check if there is a data stage */
- if (phost->Control.setup.b.wLength.w != 0 )
- {
- if (direction == USB_D2H)
- {
- /* Data Direction is IN */
- phost->Control.state = CTRL_DATA_IN;
- }
- else
- {
- /* Data Direction is OUT */
- phost->Control.state = CTRL_DATA_OUT;
- }
- }
- /* No DATA stage */
- else
- {
- /* If there is No Data Transfer Stage */
- if (direction == USB_D2H)
- {
- /* Data Direction is IN */
- phost->Control.state = CTRL_STATUS_OUT;
- }
- else
- {
- /* Data Direction is OUT */
- phost->Control.state = CTRL_STATUS_IN;
- }
- }
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- else if(URB_Status == USBH_URB_ERROR)
- {
- phost->Control.state = CTRL_ERROR;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- break;
-
- case CTRL_DATA_IN:
- /* Issue an IN token */
- phost->Control.timer = phost->Timer;
- USBH_CtlReceiveData(phost,
- phost->Control.buff,
- phost->Control.length,
- phost->Control.pipe_in);
-
- phost->Control.state = CTRL_DATA_IN_WAIT;
- break;
-
- case CTRL_DATA_IN_WAIT:
-
- URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_in);
-
- /* check is DATA packet transfered successfully */
- if (URB_Status == USBH_URB_DONE)
- {
- phost->Control.state = CTRL_STATUS_OUT;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
-
- /* manage error cases*/
- if (URB_Status == USBH_URB_STALL)
- {
- /* In stall case, return to previous machine state*/
- status = USBH_NOT_SUPPORTED;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- else if (URB_Status == USBH_URB_ERROR)
- {
- /* Device error */
- phost->Control.state = CTRL_ERROR;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- break;
-
- case CTRL_DATA_OUT:
-
- USBH_CtlSendData (phost,
- phost->Control.buff,
- phost->Control.length ,
- phost->Control.pipe_out,
- 1);
- phost->Control.timer = phost->Timer;
- phost->Control.state = CTRL_DATA_OUT_WAIT;
- break;
-
- case CTRL_DATA_OUT_WAIT:
-
- URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_out);
-
- if (URB_Status == USBH_URB_DONE)
- { /* If the Setup Pkt is sent successful, then change the state */
- phost->Control.state = CTRL_STATUS_IN;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
-
- /* handle error cases */
- else if (URB_Status == USBH_URB_STALL)
- {
- /* In stall case, return to previous machine state*/
- phost->Control.state = CTRL_STALLED;
- status = USBH_NOT_SUPPORTED;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- else if (URB_Status == USBH_URB_NOTREADY)
- {
- /* Nack received from device */
- phost->Control.state = CTRL_DATA_OUT;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- else if (URB_Status == USBH_URB_ERROR)
- {
- /* device error */
- phost->Control.state = CTRL_ERROR;
- status = USBH_FAIL;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- break;
-
-
- case CTRL_STATUS_IN:
- /* Send 0 bytes out packet */
- USBH_CtlReceiveData (phost,
- 0,
- 0,
- phost->Control.pipe_in);
- phost->Control.timer = phost->Timer;
- phost->Control.state = CTRL_STATUS_IN_WAIT;
-
- break;
-
- case CTRL_STATUS_IN_WAIT:
-
- URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_in);
-
- if ( URB_Status == USBH_URB_DONE)
- { /* Control transfers completed, Exit the State Machine */
- phost->Control.state = CTRL_COMPLETE;
- status = USBH_OK;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
-
- else if (URB_Status == USBH_URB_ERROR)
- {
- phost->Control.state = CTRL_ERROR;
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- else if(URB_Status == USBH_URB_STALL)
- {
- /* Control transfers completed, Exit the State Machine */
- status = USBH_NOT_SUPPORTED;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- break;
-
- case CTRL_STATUS_OUT:
- USBH_CtlSendData (phost,
- 0,
- 0,
- phost->Control.pipe_out,
- 1);
- phost->Control.timer = phost->Timer;
- phost->Control.state = CTRL_STATUS_OUT_WAIT;
- break;
-
- case CTRL_STATUS_OUT_WAIT:
-
- URB_Status = USBH_LL_GetURBState(phost , phost->Control.pipe_out);
- if (URB_Status == USBH_URB_DONE)
- {
- status = USBH_OK;
- phost->Control.state = CTRL_COMPLETE;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- else if (URB_Status == USBH_URB_NOTREADY)
- {
- phost->Control.state = CTRL_STATUS_OUT;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- else if (URB_Status == USBH_URB_ERROR)
- {
- phost->Control.state = CTRL_ERROR;
-
-#if (USBH_USE_OS == 1)
- osMessagePut ( phost->os_event, USBH_CONTROL_EVENT, 0);
-#endif
- }
- break;
-
- case CTRL_ERROR:
- /*
- After a halt condition is encountered or an error is detected by the
- host, a control endpoint is allowed to recover by accepting the next Setup
- PID; i.e., recovery actions via some other pipe are not required for control
- endpoints. For the Default Control Pipe, a device reset will ultimately be
- required to clear the halt or error condition if the next Setup PID is not
- accepted.
- */
- if (++ phost->Control.errorcount <= USBH_MAX_ERROR_COUNT)
- {
- /* try to recover control */
- USBH_LL_Stop(phost);
-
- /* Do the transmission again, starting from SETUP Packet */
- phost->Control.state = CTRL_SETUP;
- phost->RequestState = CMD_SEND;
- }
- else
- {
- phost->Control.errorcount = 0;
- USBH_ErrLog("Control error");
- status = USBH_FAIL;
-
- }
- break;
-
- default:
- break;
- }
- return status;
-}
-
-/**
-* @}
-*/
-
-/**
-* @}
-*/
-
-/**
-* @}
-*/
-
-/**
-* @}
-*/
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
-
-
-
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