IOTON Technology / IOTON-API

IOTON boards API using mbed SDK - http://ioton.cc/plataforma-ton

Dependents:   ton-bot_teste ton-bot_seguidor_linha ton-bot_seguidor_parede

Fork of IOTON-API by Kleber Silva

usbd_ctlreq.c@1:3a73d77c2cef, 2017-06-29 (annotated)

Committer:
krebyy
Date:
Thu Jun 29 20:11:00 2017 +0000
Revision:
1:3a73d77c2cef
Update to TON Board V1.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
krebyy 1:3a73d77c2cef 1 /**
krebyy 1:3a73d77c2cef 2 ******************************************************************************
krebyy 1:3a73d77c2cef 3 * @file usbd_req.c
krebyy 1:3a73d77c2cef 4 * @author MCD Application Team
krebyy 1:3a73d77c2cef 5 * @version V2.3.0
krebyy 1:3a73d77c2cef 6 * @date 04-November-2014
krebyy 1:3a73d77c2cef 7 * @brief This file provides the standard USB requests following chapter 9.
krebyy 1:3a73d77c2cef 8 ******************************************************************************
krebyy 1:3a73d77c2cef 9 * @attention
krebyy 1:3a73d77c2cef 10 *
krebyy 1:3a73d77c2cef 11 * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
krebyy 1:3a73d77c2cef 12 *
krebyy 1:3a73d77c2cef 13 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
krebyy 1:3a73d77c2cef 14 * You may not use this file except in compliance with the License.
krebyy 1:3a73d77c2cef 15 * You may obtain a copy of the License at:
krebyy 1:3a73d77c2cef 16 *
krebyy 1:3a73d77c2cef 17 * http://www.st.com/software_license_agreement_liberty_v2
krebyy 1:3a73d77c2cef 18 *
krebyy 1:3a73d77c2cef 19 * Unless required by applicable law or agreed to in writing, software
krebyy 1:3a73d77c2cef 20 * distributed under the License is distributed on an "AS IS" BASIS,
krebyy 1:3a73d77c2cef 21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
krebyy 1:3a73d77c2cef 22 * See the License for the specific language governing permissions and
krebyy 1:3a73d77c2cef 23 * limitations under the License.
krebyy 1:3a73d77c2cef 24 *
krebyy 1:3a73d77c2cef 25 ******************************************************************************
krebyy 1:3a73d77c2cef 26 */
krebyy 1:3a73d77c2cef 27
krebyy 1:3a73d77c2cef 28 /* Includes ------------------------------------------------------------------*/
krebyy 1:3a73d77c2cef 29 #include "usbd_ctlreq.h"
krebyy 1:3a73d77c2cef 30 #include "usbd_ioreq.h"
krebyy 1:3a73d77c2cef 31
krebyy 1:3a73d77c2cef 32
krebyy 1:3a73d77c2cef 33 /** @addtogroup STM32_USBD_STATE_DEVICE_LIBRARY
krebyy 1:3a73d77c2cef 34 * @{
krebyy 1:3a73d77c2cef 35 */
krebyy 1:3a73d77c2cef 36
krebyy 1:3a73d77c2cef 37
krebyy 1:3a73d77c2cef 38 /** @defgroup USBD_REQ
krebyy 1:3a73d77c2cef 39 * @brief USB standard requests module
krebyy 1:3a73d77c2cef 40 * @{
krebyy 1:3a73d77c2cef 41 */
krebyy 1:3a73d77c2cef 42
krebyy 1:3a73d77c2cef 43 /** @defgroup USBD_REQ_Private_TypesDefinitions
krebyy 1:3a73d77c2cef 44 * @{
krebyy 1:3a73d77c2cef 45 */
krebyy 1:3a73d77c2cef 46 /**
krebyy 1:3a73d77c2cef 47 * @}
krebyy 1:3a73d77c2cef 48 */
krebyy 1:3a73d77c2cef 49
krebyy 1:3a73d77c2cef 50
krebyy 1:3a73d77c2cef 51 /** @defgroup USBD_REQ_Private_Defines
krebyy 1:3a73d77c2cef 52 * @{
krebyy 1:3a73d77c2cef 53 */
krebyy 1:3a73d77c2cef 54
krebyy 1:3a73d77c2cef 55 /**
krebyy 1:3a73d77c2cef 56 * @}
krebyy 1:3a73d77c2cef 57 */
krebyy 1:3a73d77c2cef 58
krebyy 1:3a73d77c2cef 59
krebyy 1:3a73d77c2cef 60 /** @defgroup USBD_REQ_Private_Macros
krebyy 1:3a73d77c2cef 61 * @{
krebyy 1:3a73d77c2cef 62 */
krebyy 1:3a73d77c2cef 63 /**
krebyy 1:3a73d77c2cef 64 * @}
krebyy 1:3a73d77c2cef 65 */
krebyy 1:3a73d77c2cef 66
krebyy 1:3a73d77c2cef 67
krebyy 1:3a73d77c2cef 68 /** @defgroup USBD_REQ_Private_Variables
krebyy 1:3a73d77c2cef 69 * @{
krebyy 1:3a73d77c2cef 70 */
krebyy 1:3a73d77c2cef 71 /**
krebyy 1:3a73d77c2cef 72 * @}
krebyy 1:3a73d77c2cef 73 */
krebyy 1:3a73d77c2cef 74
krebyy 1:3a73d77c2cef 75
krebyy 1:3a73d77c2cef 76 /** @defgroup USBD_REQ_Private_FunctionPrototypes
krebyy 1:3a73d77c2cef 77 * @{
krebyy 1:3a73d77c2cef 78 */
krebyy 1:3a73d77c2cef 79 static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 80 USBD_SetupReqTypedef *req);
krebyy 1:3a73d77c2cef 81
krebyy 1:3a73d77c2cef 82 static void USBD_SetAddress(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 83 USBD_SetupReqTypedef *req);
krebyy 1:3a73d77c2cef 84
krebyy 1:3a73d77c2cef 85 static void USBD_SetConfig(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 86 USBD_SetupReqTypedef *req);
krebyy 1:3a73d77c2cef 87
krebyy 1:3a73d77c2cef 88 static void USBD_GetConfig(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 89 USBD_SetupReqTypedef *req);
krebyy 1:3a73d77c2cef 90
krebyy 1:3a73d77c2cef 91 static void USBD_GetStatus(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 92 USBD_SetupReqTypedef *req);
krebyy 1:3a73d77c2cef 93
krebyy 1:3a73d77c2cef 94 static void USBD_SetFeature(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 95 USBD_SetupReqTypedef *req);
krebyy 1:3a73d77c2cef 96
krebyy 1:3a73d77c2cef 97 static void USBD_ClrFeature(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 98 USBD_SetupReqTypedef *req);
krebyy 1:3a73d77c2cef 99
krebyy 1:3a73d77c2cef 100 static uint8_t USBD_GetLen(uint8_t *buf);
krebyy 1:3a73d77c2cef 101
krebyy 1:3a73d77c2cef 102 /**
krebyy 1:3a73d77c2cef 103 * @}
krebyy 1:3a73d77c2cef 104 */
krebyy 1:3a73d77c2cef 105
krebyy 1:3a73d77c2cef 106
krebyy 1:3a73d77c2cef 107 /** @defgroup USBD_REQ_Private_Functions
krebyy 1:3a73d77c2cef 108 * @{
krebyy 1:3a73d77c2cef 109 */
krebyy 1:3a73d77c2cef 110
krebyy 1:3a73d77c2cef 111
krebyy 1:3a73d77c2cef 112 /**
krebyy 1:3a73d77c2cef 113 * @brief USBD_StdDevReq
krebyy 1:3a73d77c2cef 114 * Handle standard usb device requests
krebyy 1:3a73d77c2cef 115 * @param pdev: device instance
krebyy 1:3a73d77c2cef 116 * @param req: usb request
krebyy 1:3a73d77c2cef 117 * @retval status
krebyy 1:3a73d77c2cef 118 */
krebyy 1:3a73d77c2cef 119 USBD_StatusTypeDef USBD_StdDevReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 120 {
krebyy 1:3a73d77c2cef 121 USBD_StatusTypeDef ret = USBD_OK;
krebyy 1:3a73d77c2cef 122
krebyy 1:3a73d77c2cef 123 switch (req->bRequest)
krebyy 1:3a73d77c2cef 124 {
krebyy 1:3a73d77c2cef 125 case USB_REQ_GET_DESCRIPTOR:
krebyy 1:3a73d77c2cef 126
krebyy 1:3a73d77c2cef 127 USBD_GetDescriptor (pdev, req) ;
krebyy 1:3a73d77c2cef 128 break;
krebyy 1:3a73d77c2cef 129
krebyy 1:3a73d77c2cef 130 case USB_REQ_SET_ADDRESS:
krebyy 1:3a73d77c2cef 131 USBD_SetAddress(pdev, req);
krebyy 1:3a73d77c2cef 132 break;
krebyy 1:3a73d77c2cef 133
krebyy 1:3a73d77c2cef 134 case USB_REQ_SET_CONFIGURATION:
krebyy 1:3a73d77c2cef 135 USBD_SetConfig (pdev , req);
krebyy 1:3a73d77c2cef 136 break;
krebyy 1:3a73d77c2cef 137
krebyy 1:3a73d77c2cef 138 case USB_REQ_GET_CONFIGURATION:
krebyy 1:3a73d77c2cef 139 USBD_GetConfig (pdev , req);
krebyy 1:3a73d77c2cef 140 break;
krebyy 1:3a73d77c2cef 141
krebyy 1:3a73d77c2cef 142 case USB_REQ_GET_STATUS:
krebyy 1:3a73d77c2cef 143 USBD_GetStatus (pdev , req);
krebyy 1:3a73d77c2cef 144 break;
krebyy 1:3a73d77c2cef 145
krebyy 1:3a73d77c2cef 146
krebyy 1:3a73d77c2cef 147 case USB_REQ_SET_FEATURE:
krebyy 1:3a73d77c2cef 148 USBD_SetFeature (pdev , req);
krebyy 1:3a73d77c2cef 149 break;
krebyy 1:3a73d77c2cef 150
krebyy 1:3a73d77c2cef 151 case USB_REQ_CLEAR_FEATURE:
krebyy 1:3a73d77c2cef 152 USBD_ClrFeature (pdev , req);
krebyy 1:3a73d77c2cef 153 break;
krebyy 1:3a73d77c2cef 154
krebyy 1:3a73d77c2cef 155 default:
krebyy 1:3a73d77c2cef 156 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 157 break;
krebyy 1:3a73d77c2cef 158 }
krebyy 1:3a73d77c2cef 159
krebyy 1:3a73d77c2cef 160 return ret;
krebyy 1:3a73d77c2cef 161 }
krebyy 1:3a73d77c2cef 162
krebyy 1:3a73d77c2cef 163 /**
krebyy 1:3a73d77c2cef 164 * @brief USBD_StdItfReq
krebyy 1:3a73d77c2cef 165 * Handle standard usb interface requests
krebyy 1:3a73d77c2cef 166 * @param pdev: device instance
krebyy 1:3a73d77c2cef 167 * @param req: usb request
krebyy 1:3a73d77c2cef 168 * @retval status
krebyy 1:3a73d77c2cef 169 */
krebyy 1:3a73d77c2cef 170 USBD_StatusTypeDef USBD_StdItfReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 171 {
krebyy 1:3a73d77c2cef 172 USBD_StatusTypeDef ret = USBD_OK;
krebyy 1:3a73d77c2cef 173
krebyy 1:3a73d77c2cef 174 switch (pdev->dev_state)
krebyy 1:3a73d77c2cef 175 {
krebyy 1:3a73d77c2cef 176 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 177
krebyy 1:3a73d77c2cef 178 if (LOBYTE(req->wIndex) <= USBD_MAX_NUM_INTERFACES)
krebyy 1:3a73d77c2cef 179 {
krebyy 1:3a73d77c2cef 180 pdev->pClass->Setup (pdev, req);
krebyy 1:3a73d77c2cef 181
krebyy 1:3a73d77c2cef 182 if((req->wLength == 0)&& (ret == USBD_OK))
krebyy 1:3a73d77c2cef 183 {
krebyy 1:3a73d77c2cef 184 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 185 }
krebyy 1:3a73d77c2cef 186 }
krebyy 1:3a73d77c2cef 187 else
krebyy 1:3a73d77c2cef 188 {
krebyy 1:3a73d77c2cef 189 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 190 }
krebyy 1:3a73d77c2cef 191 break;
krebyy 1:3a73d77c2cef 192
krebyy 1:3a73d77c2cef 193 default:
krebyy 1:3a73d77c2cef 194 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 195 break;
krebyy 1:3a73d77c2cef 196 }
krebyy 1:3a73d77c2cef 197 return USBD_OK;
krebyy 1:3a73d77c2cef 198 }
krebyy 1:3a73d77c2cef 199
krebyy 1:3a73d77c2cef 200 /**
krebyy 1:3a73d77c2cef 201 * @brief USBD_StdEPReq
krebyy 1:3a73d77c2cef 202 * Handle standard usb endpoint requests
krebyy 1:3a73d77c2cef 203 * @param pdev: device instance
krebyy 1:3a73d77c2cef 204 * @param req: usb request
krebyy 1:3a73d77c2cef 205 * @retval status
krebyy 1:3a73d77c2cef 206 */
krebyy 1:3a73d77c2cef 207 USBD_StatusTypeDef USBD_StdEPReq (USBD_HandleTypeDef *pdev , USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 208 {
krebyy 1:3a73d77c2cef 209
krebyy 1:3a73d77c2cef 210 uint8_t ep_addr;
krebyy 1:3a73d77c2cef 211 USBD_StatusTypeDef ret = USBD_OK;
krebyy 1:3a73d77c2cef 212 USBD_EndpointTypeDef *pep;
krebyy 1:3a73d77c2cef 213 ep_addr = LOBYTE(req->wIndex);
krebyy 1:3a73d77c2cef 214
krebyy 1:3a73d77c2cef 215 switch (req->bRequest)
krebyy 1:3a73d77c2cef 216 {
krebyy 1:3a73d77c2cef 217
krebyy 1:3a73d77c2cef 218 case USB_REQ_SET_FEATURE :
krebyy 1:3a73d77c2cef 219
krebyy 1:3a73d77c2cef 220 switch (pdev->dev_state)
krebyy 1:3a73d77c2cef 221 {
krebyy 1:3a73d77c2cef 222 case USBD_STATE_ADDRESSED:
krebyy 1:3a73d77c2cef 223 if ((ep_addr != 0x00) && (ep_addr != 0x80))
krebyy 1:3a73d77c2cef 224 {
krebyy 1:3a73d77c2cef 225 USBD_LL_StallEP(pdev , ep_addr);
krebyy 1:3a73d77c2cef 226 }
krebyy 1:3a73d77c2cef 227 break;
krebyy 1:3a73d77c2cef 228
krebyy 1:3a73d77c2cef 229 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 230 if (req->wValue == USB_FEATURE_EP_HALT)
krebyy 1:3a73d77c2cef 231 {
krebyy 1:3a73d77c2cef 232 if ((ep_addr != 0x00) && (ep_addr != 0x80))
krebyy 1:3a73d77c2cef 233 {
krebyy 1:3a73d77c2cef 234 USBD_LL_StallEP(pdev , ep_addr);
krebyy 1:3a73d77c2cef 235
krebyy 1:3a73d77c2cef 236 }
krebyy 1:3a73d77c2cef 237 }
krebyy 1:3a73d77c2cef 238 pdev->pClass->Setup (pdev, req);
krebyy 1:3a73d77c2cef 239 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 240
krebyy 1:3a73d77c2cef 241 break;
krebyy 1:3a73d77c2cef 242
krebyy 1:3a73d77c2cef 243 default:
krebyy 1:3a73d77c2cef 244 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 245 break;
krebyy 1:3a73d77c2cef 246 }
krebyy 1:3a73d77c2cef 247 break;
krebyy 1:3a73d77c2cef 248
krebyy 1:3a73d77c2cef 249 case USB_REQ_CLEAR_FEATURE :
krebyy 1:3a73d77c2cef 250
krebyy 1:3a73d77c2cef 251 switch (pdev->dev_state)
krebyy 1:3a73d77c2cef 252 {
krebyy 1:3a73d77c2cef 253 case USBD_STATE_ADDRESSED:
krebyy 1:3a73d77c2cef 254 if ((ep_addr != 0x00) && (ep_addr != 0x80))
krebyy 1:3a73d77c2cef 255 {
krebyy 1:3a73d77c2cef 256 USBD_LL_StallEP(pdev , ep_addr);
krebyy 1:3a73d77c2cef 257 }
krebyy 1:3a73d77c2cef 258 break;
krebyy 1:3a73d77c2cef 259
krebyy 1:3a73d77c2cef 260 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 261 if (req->wValue == USB_FEATURE_EP_HALT)
krebyy 1:3a73d77c2cef 262 {
krebyy 1:3a73d77c2cef 263 if ((ep_addr & 0x7F) != 0x00)
krebyy 1:3a73d77c2cef 264 {
krebyy 1:3a73d77c2cef 265 USBD_LL_ClearStallEP(pdev , ep_addr);
krebyy 1:3a73d77c2cef 266 pdev->pClass->Setup (pdev, req);
krebyy 1:3a73d77c2cef 267 }
krebyy 1:3a73d77c2cef 268 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 269 }
krebyy 1:3a73d77c2cef 270 break;
krebyy 1:3a73d77c2cef 271
krebyy 1:3a73d77c2cef 272 default:
krebyy 1:3a73d77c2cef 273 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 274 break;
krebyy 1:3a73d77c2cef 275 }
krebyy 1:3a73d77c2cef 276 break;
krebyy 1:3a73d77c2cef 277
krebyy 1:3a73d77c2cef 278 case USB_REQ_GET_STATUS:
krebyy 1:3a73d77c2cef 279 switch (pdev->dev_state)
krebyy 1:3a73d77c2cef 280 {
krebyy 1:3a73d77c2cef 281 case USBD_STATE_ADDRESSED:
krebyy 1:3a73d77c2cef 282 if ((ep_addr & 0x7F) != 0x00)
krebyy 1:3a73d77c2cef 283 {
krebyy 1:3a73d77c2cef 284 USBD_LL_StallEP(pdev , ep_addr);
krebyy 1:3a73d77c2cef 285 }
krebyy 1:3a73d77c2cef 286 break;
krebyy 1:3a73d77c2cef 287
krebyy 1:3a73d77c2cef 288 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 289 pep = ((ep_addr & 0x80) == 0x80) ? &pdev->ep_in[ep_addr & 0x7F]:\
krebyy 1:3a73d77c2cef 290 &pdev->ep_out[ep_addr & 0x7F];
krebyy 1:3a73d77c2cef 291 if(USBD_LL_IsStallEP(pdev, ep_addr))
krebyy 1:3a73d77c2cef 292 {
krebyy 1:3a73d77c2cef 293 pep->status = 0x0001;
krebyy 1:3a73d77c2cef 294 }
krebyy 1:3a73d77c2cef 295 else
krebyy 1:3a73d77c2cef 296 {
krebyy 1:3a73d77c2cef 297 pep->status = 0x0000;
krebyy 1:3a73d77c2cef 298 }
krebyy 1:3a73d77c2cef 299
krebyy 1:3a73d77c2cef 300 USBD_CtlSendData (pdev,
krebyy 1:3a73d77c2cef 301 (uint8_t *)&pep->status,
krebyy 1:3a73d77c2cef 302 2);
krebyy 1:3a73d77c2cef 303 break;
krebyy 1:3a73d77c2cef 304
krebyy 1:3a73d77c2cef 305 default:
krebyy 1:3a73d77c2cef 306 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 307 break;
krebyy 1:3a73d77c2cef 308 }
krebyy 1:3a73d77c2cef 309 break;
krebyy 1:3a73d77c2cef 310
krebyy 1:3a73d77c2cef 311 default:
krebyy 1:3a73d77c2cef 312 break;
krebyy 1:3a73d77c2cef 313 }
krebyy 1:3a73d77c2cef 314 return ret;
krebyy 1:3a73d77c2cef 315 }
krebyy 1:3a73d77c2cef 316 /**
krebyy 1:3a73d77c2cef 317 * @brief USBD_GetDescriptor
krebyy 1:3a73d77c2cef 318 * Handle Get Descriptor requests
krebyy 1:3a73d77c2cef 319 * @param pdev: device instance
krebyy 1:3a73d77c2cef 320 * @param req: usb request
krebyy 1:3a73d77c2cef 321 * @retval status
krebyy 1:3a73d77c2cef 322 */
krebyy 1:3a73d77c2cef 323 static void USBD_GetDescriptor(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 324 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 325 {
krebyy 1:3a73d77c2cef 326 uint16_t len;
krebyy 1:3a73d77c2cef 327 uint8_t *pbuf;
krebyy 1:3a73d77c2cef 328
krebyy 1:3a73d77c2cef 329
krebyy 1:3a73d77c2cef 330 switch (req->wValue >> 8)
krebyy 1:3a73d77c2cef 331 {
krebyy 1:3a73d77c2cef 332 case USB_DESC_TYPE_DEVICE:
krebyy 1:3a73d77c2cef 333 pbuf = pdev->pDesc->GetDeviceDescriptor(pdev->dev_speed, &len);
krebyy 1:3a73d77c2cef 334 break;
krebyy 1:3a73d77c2cef 335
krebyy 1:3a73d77c2cef 336 case USB_DESC_TYPE_CONFIGURATION:
krebyy 1:3a73d77c2cef 337 if(pdev->dev_speed == USBD_SPEED_HIGH )
krebyy 1:3a73d77c2cef 338 {
krebyy 1:3a73d77c2cef 339 pbuf = (uint8_t *)pdev->pClass->GetHSConfigDescriptor(&len);
krebyy 1:3a73d77c2cef 340 pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
krebyy 1:3a73d77c2cef 341 }
krebyy 1:3a73d77c2cef 342 else
krebyy 1:3a73d77c2cef 343 {
krebyy 1:3a73d77c2cef 344 pbuf = (uint8_t *)pdev->pClass->GetFSConfigDescriptor(&len);
krebyy 1:3a73d77c2cef 345 pbuf[1] = USB_DESC_TYPE_CONFIGURATION;
krebyy 1:3a73d77c2cef 346 }
krebyy 1:3a73d77c2cef 347 break;
krebyy 1:3a73d77c2cef 348
krebyy 1:3a73d77c2cef 349 case USB_DESC_TYPE_STRING:
krebyy 1:3a73d77c2cef 350 switch ((uint8_t)(req->wValue))
krebyy 1:3a73d77c2cef 351 {
krebyy 1:3a73d77c2cef 352 case USBD_IDX_LANGID_STR:
krebyy 1:3a73d77c2cef 353 pbuf = pdev->pDesc->GetLangIDStrDescriptor(pdev->dev_speed, &len);
krebyy 1:3a73d77c2cef 354 break;
krebyy 1:3a73d77c2cef 355
krebyy 1:3a73d77c2cef 356 case USBD_IDX_MFC_STR:
krebyy 1:3a73d77c2cef 357 pbuf = pdev->pDesc->GetManufacturerStrDescriptor(pdev->dev_speed, &len);
krebyy 1:3a73d77c2cef 358 break;
krebyy 1:3a73d77c2cef 359
krebyy 1:3a73d77c2cef 360 case USBD_IDX_PRODUCT_STR:
krebyy 1:3a73d77c2cef 361 pbuf = pdev->pDesc->GetProductStrDescriptor(pdev->dev_speed, &len);
krebyy 1:3a73d77c2cef 362 break;
krebyy 1:3a73d77c2cef 363
krebyy 1:3a73d77c2cef 364 case USBD_IDX_SERIAL_STR:
krebyy 1:3a73d77c2cef 365 pbuf = pdev->pDesc->GetSerialStrDescriptor(pdev->dev_speed, &len);
krebyy 1:3a73d77c2cef 366 break;
krebyy 1:3a73d77c2cef 367
krebyy 1:3a73d77c2cef 368 case USBD_IDX_CONFIG_STR:
krebyy 1:3a73d77c2cef 369 pbuf = pdev->pDesc->GetConfigurationStrDescriptor(pdev->dev_speed, &len);
krebyy 1:3a73d77c2cef 370 break;
krebyy 1:3a73d77c2cef 371
krebyy 1:3a73d77c2cef 372 case USBD_IDX_INTERFACE_STR:
krebyy 1:3a73d77c2cef 373 pbuf = pdev->pDesc->GetInterfaceStrDescriptor(pdev->dev_speed, &len);
krebyy 1:3a73d77c2cef 374 break;
krebyy 1:3a73d77c2cef 375
krebyy 1:3a73d77c2cef 376 default:
krebyy 1:3a73d77c2cef 377 #if (USBD_SUPPORT_USER_STRING == 1)
krebyy 1:3a73d77c2cef 378 pbuf = pdev->pClass->GetUsrStrDescriptor(pdev, (req->wValue) , &len);
krebyy 1:3a73d77c2cef 379 break;
krebyy 1:3a73d77c2cef 380 #else
krebyy 1:3a73d77c2cef 381 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 382 return;
krebyy 1:3a73d77c2cef 383 #endif
krebyy 1:3a73d77c2cef 384 }
krebyy 1:3a73d77c2cef 385 break;
krebyy 1:3a73d77c2cef 386 case USB_DESC_TYPE_DEVICE_QUALIFIER:
krebyy 1:3a73d77c2cef 387
krebyy 1:3a73d77c2cef 388 if(pdev->dev_speed == USBD_SPEED_HIGH )
krebyy 1:3a73d77c2cef 389 {
krebyy 1:3a73d77c2cef 390 pbuf = (uint8_t *)pdev->pClass->GetDeviceQualifierDescriptor(&len);
krebyy 1:3a73d77c2cef 391 break;
krebyy 1:3a73d77c2cef 392 }
krebyy 1:3a73d77c2cef 393 else
krebyy 1:3a73d77c2cef 394 {
krebyy 1:3a73d77c2cef 395 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 396 return;
krebyy 1:3a73d77c2cef 397 }
krebyy 1:3a73d77c2cef 398
krebyy 1:3a73d77c2cef 399 case USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION:
krebyy 1:3a73d77c2cef 400 if(pdev->dev_speed == USBD_SPEED_HIGH )
krebyy 1:3a73d77c2cef 401 {
krebyy 1:3a73d77c2cef 402 pbuf = (uint8_t *)pdev->pClass->GetOtherSpeedConfigDescriptor(&len);
krebyy 1:3a73d77c2cef 403 pbuf[1] = USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION;
krebyy 1:3a73d77c2cef 404 break;
krebyy 1:3a73d77c2cef 405 }
krebyy 1:3a73d77c2cef 406 else
krebyy 1:3a73d77c2cef 407 {
krebyy 1:3a73d77c2cef 408 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 409 return;
krebyy 1:3a73d77c2cef 410 }
krebyy 1:3a73d77c2cef 411
krebyy 1:3a73d77c2cef 412 default:
krebyy 1:3a73d77c2cef 413 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 414 return;
krebyy 1:3a73d77c2cef 415 }
krebyy 1:3a73d77c2cef 416
krebyy 1:3a73d77c2cef 417 if((len != 0)&& (req->wLength != 0))
krebyy 1:3a73d77c2cef 418 {
krebyy 1:3a73d77c2cef 419
krebyy 1:3a73d77c2cef 420 len = MIN(len , req->wLength);
krebyy 1:3a73d77c2cef 421
krebyy 1:3a73d77c2cef 422 USBD_CtlSendData (pdev,
krebyy 1:3a73d77c2cef 423 pbuf,
krebyy 1:3a73d77c2cef 424 len);
krebyy 1:3a73d77c2cef 425 }
krebyy 1:3a73d77c2cef 426
krebyy 1:3a73d77c2cef 427 }
krebyy 1:3a73d77c2cef 428
krebyy 1:3a73d77c2cef 429 /**
krebyy 1:3a73d77c2cef 430 * @brief USBD_SetAddress
krebyy 1:3a73d77c2cef 431 * Set device address
krebyy 1:3a73d77c2cef 432 * @param pdev: device instance
krebyy 1:3a73d77c2cef 433 * @param req: usb request
krebyy 1:3a73d77c2cef 434 * @retval status
krebyy 1:3a73d77c2cef 435 */
krebyy 1:3a73d77c2cef 436 static void USBD_SetAddress(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 437 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 438 {
krebyy 1:3a73d77c2cef 439 uint8_t dev_addr;
krebyy 1:3a73d77c2cef 440
krebyy 1:3a73d77c2cef 441 if ((req->wIndex == 0) && (req->wLength == 0))
krebyy 1:3a73d77c2cef 442 {
krebyy 1:3a73d77c2cef 443 dev_addr = (uint8_t)(req->wValue) & 0x7F;
krebyy 1:3a73d77c2cef 444
krebyy 1:3a73d77c2cef 445 if (pdev->dev_state == USBD_STATE_CONFIGURED)
krebyy 1:3a73d77c2cef 446 {
krebyy 1:3a73d77c2cef 447 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 448 }
krebyy 1:3a73d77c2cef 449 else
krebyy 1:3a73d77c2cef 450 {
krebyy 1:3a73d77c2cef 451 pdev->dev_address = dev_addr;
krebyy 1:3a73d77c2cef 452 USBD_LL_SetUSBAddress(pdev, dev_addr);
krebyy 1:3a73d77c2cef 453 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 454
krebyy 1:3a73d77c2cef 455 if (dev_addr != 0)
krebyy 1:3a73d77c2cef 456 {
krebyy 1:3a73d77c2cef 457 pdev->dev_state = USBD_STATE_ADDRESSED;
krebyy 1:3a73d77c2cef 458 }
krebyy 1:3a73d77c2cef 459 else
krebyy 1:3a73d77c2cef 460 {
krebyy 1:3a73d77c2cef 461 pdev->dev_state = USBD_STATE_DEFAULT;
krebyy 1:3a73d77c2cef 462 }
krebyy 1:3a73d77c2cef 463 }
krebyy 1:3a73d77c2cef 464 }
krebyy 1:3a73d77c2cef 465 else
krebyy 1:3a73d77c2cef 466 {
krebyy 1:3a73d77c2cef 467 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 468 }
krebyy 1:3a73d77c2cef 469 }
krebyy 1:3a73d77c2cef 470
krebyy 1:3a73d77c2cef 471 /**
krebyy 1:3a73d77c2cef 472 * @brief USBD_SetConfig
krebyy 1:3a73d77c2cef 473 * Handle Set device configuration request
krebyy 1:3a73d77c2cef 474 * @param pdev: device instance
krebyy 1:3a73d77c2cef 475 * @param req: usb request
krebyy 1:3a73d77c2cef 476 * @retval status
krebyy 1:3a73d77c2cef 477 */
krebyy 1:3a73d77c2cef 478 static void USBD_SetConfig(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 479 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 480 {
krebyy 1:3a73d77c2cef 481
krebyy 1:3a73d77c2cef 482 static uint8_t cfgidx;
krebyy 1:3a73d77c2cef 483
krebyy 1:3a73d77c2cef 484 cfgidx = (uint8_t)(req->wValue);
krebyy 1:3a73d77c2cef 485
krebyy 1:3a73d77c2cef 486 if (cfgidx > USBD_MAX_NUM_CONFIGURATION )
krebyy 1:3a73d77c2cef 487 {
krebyy 1:3a73d77c2cef 488 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 489 }
krebyy 1:3a73d77c2cef 490 else
krebyy 1:3a73d77c2cef 491 {
krebyy 1:3a73d77c2cef 492 switch (pdev->dev_state)
krebyy 1:3a73d77c2cef 493 {
krebyy 1:3a73d77c2cef 494 case USBD_STATE_ADDRESSED:
krebyy 1:3a73d77c2cef 495 if (cfgidx)
krebyy 1:3a73d77c2cef 496 {
krebyy 1:3a73d77c2cef 497 pdev->dev_config = cfgidx;
krebyy 1:3a73d77c2cef 498 pdev->dev_state = USBD_STATE_CONFIGURED;
krebyy 1:3a73d77c2cef 499 if(USBD_SetClassConfig(pdev , cfgidx) == USBD_FAIL)
krebyy 1:3a73d77c2cef 500 {
krebyy 1:3a73d77c2cef 501 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 502 return;
krebyy 1:3a73d77c2cef 503 }
krebyy 1:3a73d77c2cef 504 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 505 }
krebyy 1:3a73d77c2cef 506 else
krebyy 1:3a73d77c2cef 507 {
krebyy 1:3a73d77c2cef 508 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 509 }
krebyy 1:3a73d77c2cef 510 break;
krebyy 1:3a73d77c2cef 511
krebyy 1:3a73d77c2cef 512 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 513 if (cfgidx == 0)
krebyy 1:3a73d77c2cef 514 {
krebyy 1:3a73d77c2cef 515 pdev->dev_state = USBD_STATE_ADDRESSED;
krebyy 1:3a73d77c2cef 516 pdev->dev_config = cfgidx;
krebyy 1:3a73d77c2cef 517 USBD_ClrClassConfig(pdev , cfgidx);
krebyy 1:3a73d77c2cef 518 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 519
krebyy 1:3a73d77c2cef 520 }
krebyy 1:3a73d77c2cef 521 else if (cfgidx != pdev->dev_config)
krebyy 1:3a73d77c2cef 522 {
krebyy 1:3a73d77c2cef 523 /* Clear old configuration */
krebyy 1:3a73d77c2cef 524 USBD_ClrClassConfig(pdev , pdev->dev_config);
krebyy 1:3a73d77c2cef 525
krebyy 1:3a73d77c2cef 526 /* set new configuration */
krebyy 1:3a73d77c2cef 527 pdev->dev_config = cfgidx;
krebyy 1:3a73d77c2cef 528 if(USBD_SetClassConfig(pdev , cfgidx) == USBD_FAIL)
krebyy 1:3a73d77c2cef 529 {
krebyy 1:3a73d77c2cef 530 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 531 return;
krebyy 1:3a73d77c2cef 532 }
krebyy 1:3a73d77c2cef 533 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 534 }
krebyy 1:3a73d77c2cef 535 else
krebyy 1:3a73d77c2cef 536 {
krebyy 1:3a73d77c2cef 537 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 538 }
krebyy 1:3a73d77c2cef 539 break;
krebyy 1:3a73d77c2cef 540
krebyy 1:3a73d77c2cef 541 default:
krebyy 1:3a73d77c2cef 542 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 543 break;
krebyy 1:3a73d77c2cef 544 }
krebyy 1:3a73d77c2cef 545 }
krebyy 1:3a73d77c2cef 546 }
krebyy 1:3a73d77c2cef 547
krebyy 1:3a73d77c2cef 548 /**
krebyy 1:3a73d77c2cef 549 * @brief USBD_GetConfig
krebyy 1:3a73d77c2cef 550 * Handle Get device configuration request
krebyy 1:3a73d77c2cef 551 * @param pdev: device instance
krebyy 1:3a73d77c2cef 552 * @param req: usb request
krebyy 1:3a73d77c2cef 553 * @retval status
krebyy 1:3a73d77c2cef 554 */
krebyy 1:3a73d77c2cef 555 static void USBD_GetConfig(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 556 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 557 {
krebyy 1:3a73d77c2cef 558
krebyy 1:3a73d77c2cef 559 if (req->wLength != 1)
krebyy 1:3a73d77c2cef 560 {
krebyy 1:3a73d77c2cef 561 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 562 }
krebyy 1:3a73d77c2cef 563 else
krebyy 1:3a73d77c2cef 564 {
krebyy 1:3a73d77c2cef 565 switch (pdev->dev_state )
krebyy 1:3a73d77c2cef 566 {
krebyy 1:3a73d77c2cef 567 case USBD_STATE_ADDRESSED:
krebyy 1:3a73d77c2cef 568 pdev->dev_default_config = 0;
krebyy 1:3a73d77c2cef 569 USBD_CtlSendData (pdev,
krebyy 1:3a73d77c2cef 570 (uint8_t *)&pdev->dev_default_config,
krebyy 1:3a73d77c2cef 571 1);
krebyy 1:3a73d77c2cef 572 break;
krebyy 1:3a73d77c2cef 573
krebyy 1:3a73d77c2cef 574 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 575
krebyy 1:3a73d77c2cef 576 USBD_CtlSendData (pdev,
krebyy 1:3a73d77c2cef 577 (uint8_t *)&pdev->dev_config,
krebyy 1:3a73d77c2cef 578 1);
krebyy 1:3a73d77c2cef 579 break;
krebyy 1:3a73d77c2cef 580
krebyy 1:3a73d77c2cef 581 default:
krebyy 1:3a73d77c2cef 582 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 583 break;
krebyy 1:3a73d77c2cef 584 }
krebyy 1:3a73d77c2cef 585 }
krebyy 1:3a73d77c2cef 586 }
krebyy 1:3a73d77c2cef 587
krebyy 1:3a73d77c2cef 588 /**
krebyy 1:3a73d77c2cef 589 * @brief USBD_GetStatus
krebyy 1:3a73d77c2cef 590 * Handle Get Status request
krebyy 1:3a73d77c2cef 591 * @param pdev: device instance
krebyy 1:3a73d77c2cef 592 * @param req: usb request
krebyy 1:3a73d77c2cef 593 * @retval status
krebyy 1:3a73d77c2cef 594 */
krebyy 1:3a73d77c2cef 595 static void USBD_GetStatus(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 596 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 597 {
krebyy 1:3a73d77c2cef 598
krebyy 1:3a73d77c2cef 599
krebyy 1:3a73d77c2cef 600 switch (pdev->dev_state)
krebyy 1:3a73d77c2cef 601 {
krebyy 1:3a73d77c2cef 602 case USBD_STATE_ADDRESSED:
krebyy 1:3a73d77c2cef 603 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 604
krebyy 1:3a73d77c2cef 605 #if ( USBD_SELF_POWERED == 1)
krebyy 1:3a73d77c2cef 606 pdev->dev_config_status = USB_CONFIG_SELF_POWERED;
krebyy 1:3a73d77c2cef 607 #else
krebyy 1:3a73d77c2cef 608 pdev->dev_config_status = 0;
krebyy 1:3a73d77c2cef 609 #endif
krebyy 1:3a73d77c2cef 610
krebyy 1:3a73d77c2cef 611 if (pdev->dev_remote_wakeup)
krebyy 1:3a73d77c2cef 612 {
krebyy 1:3a73d77c2cef 613 pdev->dev_config_status |= USB_CONFIG_REMOTE_WAKEUP;
krebyy 1:3a73d77c2cef 614 }
krebyy 1:3a73d77c2cef 615
krebyy 1:3a73d77c2cef 616 USBD_CtlSendData (pdev,
krebyy 1:3a73d77c2cef 617 (uint8_t *)& pdev->dev_config_status,
krebyy 1:3a73d77c2cef 618 2);
krebyy 1:3a73d77c2cef 619 break;
krebyy 1:3a73d77c2cef 620
krebyy 1:3a73d77c2cef 621 default :
krebyy 1:3a73d77c2cef 622 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 623 break;
krebyy 1:3a73d77c2cef 624 }
krebyy 1:3a73d77c2cef 625 }
krebyy 1:3a73d77c2cef 626
krebyy 1:3a73d77c2cef 627
krebyy 1:3a73d77c2cef 628 /**
krebyy 1:3a73d77c2cef 629 * @brief USBD_SetFeature
krebyy 1:3a73d77c2cef 630 * Handle Set device feature request
krebyy 1:3a73d77c2cef 631 * @param pdev: device instance
krebyy 1:3a73d77c2cef 632 * @param req: usb request
krebyy 1:3a73d77c2cef 633 * @retval status
krebyy 1:3a73d77c2cef 634 */
krebyy 1:3a73d77c2cef 635 static void USBD_SetFeature(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 636 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 637 {
krebyy 1:3a73d77c2cef 638
krebyy 1:3a73d77c2cef 639 if (req->wValue == USB_FEATURE_REMOTE_WAKEUP)
krebyy 1:3a73d77c2cef 640 {
krebyy 1:3a73d77c2cef 641 pdev->dev_remote_wakeup = 1;
krebyy 1:3a73d77c2cef 642 pdev->pClass->Setup (pdev, req);
krebyy 1:3a73d77c2cef 643 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 644 }
krebyy 1:3a73d77c2cef 645
krebyy 1:3a73d77c2cef 646 }
krebyy 1:3a73d77c2cef 647
krebyy 1:3a73d77c2cef 648
krebyy 1:3a73d77c2cef 649 /**
krebyy 1:3a73d77c2cef 650 * @brief USBD_ClrFeature
krebyy 1:3a73d77c2cef 651 * Handle clear device feature request
krebyy 1:3a73d77c2cef 652 * @param pdev: device instance
krebyy 1:3a73d77c2cef 653 * @param req: usb request
krebyy 1:3a73d77c2cef 654 * @retval status
krebyy 1:3a73d77c2cef 655 */
krebyy 1:3a73d77c2cef 656 static void USBD_ClrFeature(USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 657 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 658 {
krebyy 1:3a73d77c2cef 659 switch (pdev->dev_state)
krebyy 1:3a73d77c2cef 660 {
krebyy 1:3a73d77c2cef 661 case USBD_STATE_ADDRESSED:
krebyy 1:3a73d77c2cef 662 case USBD_STATE_CONFIGURED:
krebyy 1:3a73d77c2cef 663 if (req->wValue == USB_FEATURE_REMOTE_WAKEUP)
krebyy 1:3a73d77c2cef 664 {
krebyy 1:3a73d77c2cef 665 pdev->dev_remote_wakeup = 0;
krebyy 1:3a73d77c2cef 666 pdev->pClass->Setup (pdev, req);
krebyy 1:3a73d77c2cef 667 USBD_CtlSendStatus(pdev);
krebyy 1:3a73d77c2cef 668 }
krebyy 1:3a73d77c2cef 669 break;
krebyy 1:3a73d77c2cef 670
krebyy 1:3a73d77c2cef 671 default :
krebyy 1:3a73d77c2cef 672 USBD_CtlError(pdev , req);
krebyy 1:3a73d77c2cef 673 break;
krebyy 1:3a73d77c2cef 674 }
krebyy 1:3a73d77c2cef 675 }
krebyy 1:3a73d77c2cef 676
krebyy 1:3a73d77c2cef 677 /**
krebyy 1:3a73d77c2cef 678 * @brief USBD_ParseSetupRequest
krebyy 1:3a73d77c2cef 679 * Copy buffer into setup structure
krebyy 1:3a73d77c2cef 680 * @param pdev: device instance
krebyy 1:3a73d77c2cef 681 * @param req: usb request
krebyy 1:3a73d77c2cef 682 * @retval None
krebyy 1:3a73d77c2cef 683 */
krebyy 1:3a73d77c2cef 684
krebyy 1:3a73d77c2cef 685 void USBD_ParseSetupRequest(USBD_SetupReqTypedef *req, uint8_t *pdata)
krebyy 1:3a73d77c2cef 686 {
krebyy 1:3a73d77c2cef 687 req->bmRequest = *(uint8_t *) (pdata);
krebyy 1:3a73d77c2cef 688 req->bRequest = *(uint8_t *) (pdata + 1);
krebyy 1:3a73d77c2cef 689 req->wValue = SWAPBYTE (pdata + 2);
krebyy 1:3a73d77c2cef 690 req->wIndex = SWAPBYTE (pdata + 4);
krebyy 1:3a73d77c2cef 691 req->wLength = SWAPBYTE (pdata + 6);
krebyy 1:3a73d77c2cef 692
krebyy 1:3a73d77c2cef 693 }
krebyy 1:3a73d77c2cef 694
krebyy 1:3a73d77c2cef 695 /**
krebyy 1:3a73d77c2cef 696 * @brief USBD_CtlError
krebyy 1:3a73d77c2cef 697 * Handle USB low level Error
krebyy 1:3a73d77c2cef 698 * @param pdev: device instance
krebyy 1:3a73d77c2cef 699 * @param req: usb request
krebyy 1:3a73d77c2cef 700 * @retval None
krebyy 1:3a73d77c2cef 701 */
krebyy 1:3a73d77c2cef 702
krebyy 1:3a73d77c2cef 703 void USBD_CtlError( USBD_HandleTypeDef *pdev ,
krebyy 1:3a73d77c2cef 704 USBD_SetupReqTypedef *req)
krebyy 1:3a73d77c2cef 705 {
krebyy 1:3a73d77c2cef 706 USBD_LL_StallEP(pdev , 0x80);
krebyy 1:3a73d77c2cef 707 USBD_LL_StallEP(pdev , 0);
krebyy 1:3a73d77c2cef 708 }
krebyy 1:3a73d77c2cef 709
krebyy 1:3a73d77c2cef 710
krebyy 1:3a73d77c2cef 711 /**
krebyy 1:3a73d77c2cef 712 * @brief USBD_GetString
krebyy 1:3a73d77c2cef 713 * Convert Ascii string into unicode one
krebyy 1:3a73d77c2cef 714 * @param desc : descriptor buffer
krebyy 1:3a73d77c2cef 715 * @param unicode : Formatted string buffer (unicode)
krebyy 1:3a73d77c2cef 716 * @param len : descriptor length
krebyy 1:3a73d77c2cef 717 * @retval None
krebyy 1:3a73d77c2cef 718 */
krebyy 1:3a73d77c2cef 719 void USBD_GetString(uint8_t *desc, uint8_t *unicode, uint16_t *len)
krebyy 1:3a73d77c2cef 720 {
krebyy 1:3a73d77c2cef 721 uint8_t idx = 0;
krebyy 1:3a73d77c2cef 722
krebyy 1:3a73d77c2cef 723 if (desc != NULL)
krebyy 1:3a73d77c2cef 724 {
krebyy 1:3a73d77c2cef 725 *len = USBD_GetLen(desc) * 2 + 2;
krebyy 1:3a73d77c2cef 726 unicode[idx++] = *len;
krebyy 1:3a73d77c2cef 727 unicode[idx++] = USB_DESC_TYPE_STRING;
krebyy 1:3a73d77c2cef 728
krebyy 1:3a73d77c2cef 729 while (*desc != '\0')
krebyy 1:3a73d77c2cef 730 {
krebyy 1:3a73d77c2cef 731 unicode[idx++] = *desc++;
krebyy 1:3a73d77c2cef 732 unicode[idx++] = 0x00;
krebyy 1:3a73d77c2cef 733 }
krebyy 1:3a73d77c2cef 734 }
krebyy 1:3a73d77c2cef 735 }
krebyy 1:3a73d77c2cef 736
krebyy 1:3a73d77c2cef 737 /**
krebyy 1:3a73d77c2cef 738 * @brief USBD_GetLen
krebyy 1:3a73d77c2cef 739 * return the string length
krebyy 1:3a73d77c2cef 740 * @param buf : pointer to the ascii string buffer
krebyy 1:3a73d77c2cef 741 * @retval string length
krebyy 1:3a73d77c2cef 742 */
krebyy 1:3a73d77c2cef 743 static uint8_t USBD_GetLen(uint8_t *buf)
krebyy 1:3a73d77c2cef 744 {
krebyy 1:3a73d77c2cef 745 uint8_t len = 0;
krebyy 1:3a73d77c2cef 746
krebyy 1:3a73d77c2cef 747 while (*buf != '\0')
krebyy 1:3a73d77c2cef 748 {
krebyy 1:3a73d77c2cef 749 len++;
krebyy 1:3a73d77c2cef 750 buf++;
krebyy 1:3a73d77c2cef 751 }
krebyy 1:3a73d77c2cef 752
krebyy 1:3a73d77c2cef 753 return len;
krebyy 1:3a73d77c2cef 754 }
krebyy 1:3a73d77c2cef 755 /**
krebyy 1:3a73d77c2cef 756 * @}
krebyy 1:3a73d77c2cef 757 */
krebyy 1:3a73d77c2cef 758
krebyy 1:3a73d77c2cef 759
krebyy 1:3a73d77c2cef 760 /**
krebyy 1:3a73d77c2cef 761 * @}
krebyy 1:3a73d77c2cef 762 */
krebyy 1:3a73d77c2cef 763
krebyy 1:3a73d77c2cef 764
krebyy 1:3a73d77c2cef 765 /**
krebyy 1:3a73d77c2cef 766 * @}
krebyy 1:3a73d77c2cef 767 */
krebyy 1:3a73d77c2cef 768
krebyy 1:3a73d77c2cef 769 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/