| 1 | 1 |
new file mode 100644 |
| ... | ... |
@@ -0,0 +1,478 @@ |
| 1 |
+/** |
|
| 2 |
+ ****************************************************************************** |
|
| 3 |
+ * @file usbd_msc_bot.c |
|
| 4 |
+ * @author MCD Application Team |
|
| 5 |
+ * @brief This file provides all the BOT protocol core functions. |
|
| 6 |
+ ****************************************************************************** |
|
| 7 |
+ * @attention |
|
| 8 |
+ * |
|
| 9 |
+ * Copyright (c) 2015 STMicroelectronics. |
|
| 10 |
+ * All rights reserved. |
|
| 11 |
+ * |
|
| 12 |
+ * This software is licensed under terms that can be found in the LICENSE file |
|
| 13 |
+ * in the root directory of this software component. |
|
| 14 |
+ * If no LICENSE file comes with this software, it is provided AS-IS. |
|
| 15 |
+ * |
|
| 16 |
+ ****************************************************************************** |
|
| 17 |
+ */ |
|
| 18 |
+ |
|
| 19 |
+/* BSPDependencies |
|
| 20 |
+- "stm32xxxxx_{eval}{discovery}{nucleo_144}.c"
|
|
| 21 |
+- "stm32xxxxx_{eval}{discovery}_io.c"
|
|
| 22 |
+- "stm32xxxxx_{eval}{discovery}{adafruit}_sd.c"
|
|
| 23 |
+EndBSPDependencies */ |
|
| 24 |
+ |
|
| 25 |
+/* Includes ------------------------------------------------------------------*/ |
|
| 26 |
+#include "usbd_msc_bot.h" |
|
| 27 |
+#include "usbd_msc.h" |
|
| 28 |
+#include "usbd_msc_scsi.h" |
|
| 29 |
+#include "usbd_ioreq.h" |
|
| 30 |
+ |
|
| 31 |
+/** @addtogroup STM32_USB_DEVICE_LIBRARY |
|
| 32 |
+ * @{
|
|
| 33 |
+ */ |
|
| 34 |
+ |
|
| 35 |
+ |
|
| 36 |
+/** @defgroup MSC_BOT |
|
| 37 |
+ * @brief BOT protocol module |
|
| 38 |
+ * @{
|
|
| 39 |
+ */ |
|
| 40 |
+ |
|
| 41 |
+/** @defgroup MSC_BOT_Private_TypesDefinitions |
|
| 42 |
+ * @{
|
|
| 43 |
+ */ |
|
| 44 |
+/** |
|
| 45 |
+ * @} |
|
| 46 |
+ */ |
|
| 47 |
+ |
|
| 48 |
+ |
|
| 49 |
+/** @defgroup MSC_BOT_Private_Defines |
|
| 50 |
+ * @{
|
|
| 51 |
+ */ |
|
| 52 |
+ |
|
| 53 |
+/** |
|
| 54 |
+ * @} |
|
| 55 |
+ */ |
|
| 56 |
+ |
|
| 57 |
+ |
|
| 58 |
+/** @defgroup MSC_BOT_Private_Macros |
|
| 59 |
+ * @{
|
|
| 60 |
+ */ |
|
| 61 |
+/** |
|
| 62 |
+ * @} |
|
| 63 |
+ */ |
|
| 64 |
+ |
|
| 65 |
+ |
|
| 66 |
+/** @defgroup MSC_BOT_Private_Variables |
|
| 67 |
+ * @{
|
|
| 68 |
+ */ |
|
| 69 |
+extern uint8_t MSCInEpAdd; |
|
| 70 |
+extern uint8_t MSCOutEpAdd; |
|
| 71 |
+/** |
|
| 72 |
+ * @} |
|
| 73 |
+ */ |
|
| 74 |
+ |
|
| 75 |
+ |
|
| 76 |
+/** @defgroup MSC_BOT_Private_FunctionPrototypes |
|
| 77 |
+ * @{
|
|
| 78 |
+ */ |
|
| 79 |
+static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len); |
|
| 80 |
+static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev); |
|
| 81 |
+static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev); |
|
| 82 |
+/** |
|
| 83 |
+ * @} |
|
| 84 |
+ */ |
|
| 85 |
+ |
|
| 86 |
+ |
|
| 87 |
+/** @defgroup MSC_BOT_Private_Functions |
|
| 88 |
+ * @{
|
|
| 89 |
+ */ |
|
| 90 |
+ |
|
| 91 |
+ |
|
| 92 |
+/** |
|
| 93 |
+ * @brief MSC_BOT_Init |
|
| 94 |
+ * Initialize the BOT Process |
|
| 95 |
+ * @param pdev: device instance |
|
| 96 |
+ * @retval None |
|
| 97 |
+ */ |
|
| 98 |
+void MSC_BOT_Init(USBD_HandleTypeDef *pdev) |
|
| 99 |
+{
|
|
| 100 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 101 |
+ |
|
| 102 |
+#ifdef USE_USBD_COMPOSITE |
|
| 103 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 104 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 105 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 106 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 107 |
+ |
|
| 108 |
+ if (hmsc == NULL) |
|
| 109 |
+ {
|
|
| 110 |
+ return; |
|
| 111 |
+ } |
|
| 112 |
+ |
|
| 113 |
+ hmsc->bot_state = USBD_BOT_IDLE; |
|
| 114 |
+ hmsc->bot_status = USBD_BOT_STATUS_NORMAL; |
|
| 115 |
+ |
|
| 116 |
+ hmsc->scsi_sense_tail = 0U; |
|
| 117 |
+ hmsc->scsi_sense_head = 0U; |
|
| 118 |
+ hmsc->scsi_medium_state = SCSI_MEDIUM_UNLOCKED; |
|
| 119 |
+ |
|
| 120 |
+ ((USBD_StorageTypeDef *)pdev->pUserData[pdev->classId])->Init(0U); |
|
| 121 |
+ |
|
| 122 |
+ (void)USBD_LL_FlushEP(pdev, MSCOutEpAdd); |
|
| 123 |
+ (void)USBD_LL_FlushEP(pdev, MSCInEpAdd); |
|
| 124 |
+ |
|
| 125 |
+ /* Prepare EP to Receive First BOT Cmd */ |
|
| 126 |
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, |
|
| 127 |
+ USBD_BOT_CBW_LENGTH); |
|
| 128 |
+} |
|
| 129 |
+ |
|
| 130 |
+/** |
|
| 131 |
+ * @brief MSC_BOT_Reset |
|
| 132 |
+ * Reset the BOT Machine |
|
| 133 |
+ * @param pdev: device instance |
|
| 134 |
+ * @retval None |
|
| 135 |
+ */ |
|
| 136 |
+void MSC_BOT_Reset(USBD_HandleTypeDef *pdev) |
|
| 137 |
+{
|
|
| 138 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 139 |
+ |
|
| 140 |
+#ifdef USE_USBD_COMPOSITE |
|
| 141 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 142 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 143 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 144 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 145 |
+ |
|
| 146 |
+ if (hmsc == NULL) |
|
| 147 |
+ {
|
|
| 148 |
+ return; |
|
| 149 |
+ } |
|
| 150 |
+ |
|
| 151 |
+ hmsc->bot_state = USBD_BOT_IDLE; |
|
| 152 |
+ hmsc->bot_status = USBD_BOT_STATUS_RECOVERY; |
|
| 153 |
+ |
|
| 154 |
+ (void)USBD_LL_ClearStallEP(pdev, MSCInEpAdd); |
|
| 155 |
+ (void)USBD_LL_ClearStallEP(pdev, MSCOutEpAdd); |
|
| 156 |
+ |
|
| 157 |
+ /* Prepare EP to Receive First BOT Cmd */ |
|
| 158 |
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, |
|
| 159 |
+ USBD_BOT_CBW_LENGTH); |
|
| 160 |
+} |
|
| 161 |
+ |
|
| 162 |
+/** |
|
| 163 |
+ * @brief MSC_BOT_DeInit |
|
| 164 |
+ * DeInitialize the BOT Machine |
|
| 165 |
+ * @param pdev: device instance |
|
| 166 |
+ * @retval None |
|
| 167 |
+ */ |
|
| 168 |
+void MSC_BOT_DeInit(USBD_HandleTypeDef *pdev) |
|
| 169 |
+{
|
|
| 170 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 171 |
+ |
|
| 172 |
+ if (hmsc != NULL) |
|
| 173 |
+ {
|
|
| 174 |
+ hmsc->bot_state = USBD_BOT_IDLE; |
|
| 175 |
+ } |
|
| 176 |
+} |
|
| 177 |
+ |
|
| 178 |
+/** |
|
| 179 |
+ * @brief MSC_BOT_DataIn |
|
| 180 |
+ * Handle BOT IN data stage |
|
| 181 |
+ * @param pdev: device instance |
|
| 182 |
+ * @param epnum: endpoint index |
|
| 183 |
+ * @retval None |
|
| 184 |
+ */ |
|
| 185 |
+void MSC_BOT_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) |
|
| 186 |
+{
|
|
| 187 |
+ UNUSED(epnum); |
|
| 188 |
+ |
|
| 189 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 190 |
+ |
|
| 191 |
+ if (hmsc == NULL) |
|
| 192 |
+ {
|
|
| 193 |
+ return; |
|
| 194 |
+ } |
|
| 195 |
+ |
|
| 196 |
+ switch (hmsc->bot_state) |
|
| 197 |
+ {
|
|
| 198 |
+ case USBD_BOT_DATA_IN: |
|
| 199 |
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) |
|
| 200 |
+ {
|
|
| 201 |
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); |
|
| 202 |
+ } |
|
| 203 |
+ break; |
|
| 204 |
+ |
|
| 205 |
+ case USBD_BOT_SEND_DATA: |
|
| 206 |
+ case USBD_BOT_LAST_DATA_IN: |
|
| 207 |
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); |
|
| 208 |
+ break; |
|
| 209 |
+ |
|
| 210 |
+ default: |
|
| 211 |
+ break; |
|
| 212 |
+ } |
|
| 213 |
+} |
|
| 214 |
+/** |
|
| 215 |
+ * @brief MSC_BOT_DataOut |
|
| 216 |
+ * Process MSC OUT data |
|
| 217 |
+ * @param pdev: device instance |
|
| 218 |
+ * @param epnum: endpoint index |
|
| 219 |
+ * @retval None |
|
| 220 |
+ */ |
|
| 221 |
+void MSC_BOT_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) |
|
| 222 |
+{
|
|
| 223 |
+ UNUSED(epnum); |
|
| 224 |
+ |
|
| 225 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 226 |
+ |
|
| 227 |
+ if (hmsc == NULL) |
|
| 228 |
+ {
|
|
| 229 |
+ return; |
|
| 230 |
+ } |
|
| 231 |
+ |
|
| 232 |
+ switch (hmsc->bot_state) |
|
| 233 |
+ {
|
|
| 234 |
+ case USBD_BOT_IDLE: |
|
| 235 |
+ MSC_BOT_CBW_Decode(pdev); |
|
| 236 |
+ break; |
|
| 237 |
+ |
|
| 238 |
+ case USBD_BOT_DATA_OUT: |
|
| 239 |
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) |
|
| 240 |
+ {
|
|
| 241 |
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); |
|
| 242 |
+ } |
|
| 243 |
+ break; |
|
| 244 |
+ |
|
| 245 |
+ default: |
|
| 246 |
+ break; |
|
| 247 |
+ } |
|
| 248 |
+} |
|
| 249 |
+ |
|
| 250 |
+/** |
|
| 251 |
+ * @brief MSC_BOT_CBW_Decode |
|
| 252 |
+ * Decode the CBW command and set the BOT state machine accordingly |
|
| 253 |
+ * @param pdev: device instance |
|
| 254 |
+ * @retval None |
|
| 255 |
+ */ |
|
| 256 |
+static void MSC_BOT_CBW_Decode(USBD_HandleTypeDef *pdev) |
|
| 257 |
+{
|
|
| 258 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 259 |
+ |
|
| 260 |
+#ifdef USE_USBD_COMPOSITE |
|
| 261 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 262 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 263 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 264 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 265 |
+ |
|
| 266 |
+ if (hmsc == NULL) |
|
| 267 |
+ {
|
|
| 268 |
+ return; |
|
| 269 |
+ } |
|
| 270 |
+ |
|
| 271 |
+ hmsc->csw.dTag = hmsc->cbw.dTag; |
|
| 272 |
+ hmsc->csw.dDataResidue = hmsc->cbw.dDataLength; |
|
| 273 |
+ |
|
| 274 |
+ if ((USBD_LL_GetRxDataSize(pdev, MSCOutEpAdd) != USBD_BOT_CBW_LENGTH) || |
|
| 275 |
+ (hmsc->cbw.dSignature != USBD_BOT_CBW_SIGNATURE) || |
|
| 276 |
+ (hmsc->cbw.bLUN > 1U) || (hmsc->cbw.bCBLength < 1U) || |
|
| 277 |
+ (hmsc->cbw.bCBLength > 16U)) |
|
| 278 |
+ {
|
|
| 279 |
+ SCSI_SenseCode(pdev, hmsc->cbw.bLUN, ILLEGAL_REQUEST, INVALID_CDB); |
|
| 280 |
+ |
|
| 281 |
+ hmsc->bot_status = USBD_BOT_STATUS_ERROR; |
|
| 282 |
+ MSC_BOT_Abort(pdev); |
|
| 283 |
+ } |
|
| 284 |
+ else |
|
| 285 |
+ {
|
|
| 286 |
+ if (SCSI_ProcessCmd(pdev, hmsc->cbw.bLUN, &hmsc->cbw.CB[0]) < 0) |
|
| 287 |
+ {
|
|
| 288 |
+ if (hmsc->bot_state == USBD_BOT_NO_DATA) |
|
| 289 |
+ {
|
|
| 290 |
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); |
|
| 291 |
+ } |
|
| 292 |
+ else |
|
| 293 |
+ {
|
|
| 294 |
+ MSC_BOT_Abort(pdev); |
|
| 295 |
+ } |
|
| 296 |
+ } |
|
| 297 |
+ /* Burst xfer handled internally */ |
|
| 298 |
+ else if ((hmsc->bot_state != USBD_BOT_DATA_IN) && |
|
| 299 |
+ (hmsc->bot_state != USBD_BOT_DATA_OUT) && |
|
| 300 |
+ (hmsc->bot_state != USBD_BOT_LAST_DATA_IN)) |
|
| 301 |
+ {
|
|
| 302 |
+ if (hmsc->bot_data_length > 0U) |
|
| 303 |
+ {
|
|
| 304 |
+ MSC_BOT_SendData(pdev, hmsc->bot_data, hmsc->bot_data_length); |
|
| 305 |
+ } |
|
| 306 |
+ else if (hmsc->bot_data_length == 0U) |
|
| 307 |
+ {
|
|
| 308 |
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_PASSED); |
|
| 309 |
+ } |
|
| 310 |
+ else |
|
| 311 |
+ {
|
|
| 312 |
+ MSC_BOT_Abort(pdev); |
|
| 313 |
+ } |
|
| 314 |
+ } |
|
| 315 |
+ else |
|
| 316 |
+ {
|
|
| 317 |
+ return; |
|
| 318 |
+ } |
|
| 319 |
+ } |
|
| 320 |
+} |
|
| 321 |
+ |
|
| 322 |
+/** |
|
| 323 |
+ * @brief MSC_BOT_SendData |
|
| 324 |
+ * Send the requested data |
|
| 325 |
+ * @param pdev: device instance |
|
| 326 |
+ * @param buf: pointer to data buffer |
|
| 327 |
+ * @param len: Data Length |
|
| 328 |
+ * @retval None |
|
| 329 |
+ */ |
|
| 330 |
+static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev, uint8_t *pbuf, uint32_t len) |
|
| 331 |
+{
|
|
| 332 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 333 |
+ |
|
| 334 |
+ uint32_t length; |
|
| 335 |
+ |
|
| 336 |
+#ifdef USE_USBD_COMPOSITE |
|
| 337 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 338 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 339 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 340 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 341 |
+ |
|
| 342 |
+ if (hmsc == NULL) |
|
| 343 |
+ {
|
|
| 344 |
+ return; |
|
| 345 |
+ } |
|
| 346 |
+ |
|
| 347 |
+ length = MIN(hmsc->cbw.dDataLength, len); |
|
| 348 |
+ |
|
| 349 |
+ hmsc->csw.dDataResidue -= len; |
|
| 350 |
+ hmsc->csw.bStatus = USBD_CSW_CMD_PASSED; |
|
| 351 |
+ hmsc->bot_state = USBD_BOT_SEND_DATA; |
|
| 352 |
+ |
|
| 353 |
+ (void)USBD_LL_Transmit(pdev, MSCInEpAdd, pbuf, length); |
|
| 354 |
+} |
|
| 355 |
+ |
|
| 356 |
+/** |
|
| 357 |
+ * @brief MSC_BOT_SendCSW |
|
| 358 |
+ * Send the Command Status Wrapper |
|
| 359 |
+ * @param pdev: device instance |
|
| 360 |
+ * @param status : CSW status |
|
| 361 |
+ * @retval None |
|
| 362 |
+ */ |
|
| 363 |
+void MSC_BOT_SendCSW(USBD_HandleTypeDef *pdev, uint8_t CSW_Status) |
|
| 364 |
+{
|
|
| 365 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 366 |
+ |
|
| 367 |
+#ifdef USE_USBD_COMPOSITE |
|
| 368 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 369 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 370 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 371 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 372 |
+ |
|
| 373 |
+ if (hmsc == NULL) |
|
| 374 |
+ {
|
|
| 375 |
+ return; |
|
| 376 |
+ } |
|
| 377 |
+ |
|
| 378 |
+ hmsc->csw.dSignature = USBD_BOT_CSW_SIGNATURE; |
|
| 379 |
+ hmsc->csw.bStatus = CSW_Status; |
|
| 380 |
+ hmsc->bot_state = USBD_BOT_IDLE; |
|
| 381 |
+ |
|
| 382 |
+ (void)USBD_LL_Transmit(pdev, MSCInEpAdd, (uint8_t *)&hmsc->csw, |
|
| 383 |
+ USBD_BOT_CSW_LENGTH); |
|
| 384 |
+ |
|
| 385 |
+ /* Prepare EP to Receive next Cmd */ |
|
| 386 |
+ (void)USBD_LL_PrepareReceive(pdev, MSCOutEpAdd, (uint8_t *)&hmsc->cbw, |
|
| 387 |
+ USBD_BOT_CBW_LENGTH); |
|
| 388 |
+} |
|
| 389 |
+ |
|
| 390 |
+/** |
|
| 391 |
+ * @brief MSC_BOT_Abort |
|
| 392 |
+ * Abort the current transfer |
|
| 393 |
+ * @param pdev: device instance |
|
| 394 |
+ * @retval status |
|
| 395 |
+ */ |
|
| 396 |
+ |
|
| 397 |
+static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev) |
|
| 398 |
+{
|
|
| 399 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 400 |
+ |
|
| 401 |
+#ifdef USE_USBD_COMPOSITE |
|
| 402 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 403 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 404 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 405 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 406 |
+ |
|
| 407 |
+ if (hmsc == NULL) |
|
| 408 |
+ {
|
|
| 409 |
+ return; |
|
| 410 |
+ } |
|
| 411 |
+ |
|
| 412 |
+ if ((hmsc->cbw.bmFlags == 0U) && |
|
| 413 |
+ (hmsc->cbw.dDataLength != 0U) && |
|
| 414 |
+ (hmsc->bot_status == USBD_BOT_STATUS_NORMAL)) |
|
| 415 |
+ {
|
|
| 416 |
+ (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); |
|
| 417 |
+ } |
|
| 418 |
+ |
|
| 419 |
+ (void)USBD_LL_StallEP(pdev, MSCInEpAdd); |
|
| 420 |
+ |
|
| 421 |
+ if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) |
|
| 422 |
+ {
|
|
| 423 |
+ (void)USBD_LL_StallEP(pdev, MSCInEpAdd); |
|
| 424 |
+ (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); |
|
| 425 |
+ } |
|
| 426 |
+} |
|
| 427 |
+ |
|
| 428 |
+/** |
|
| 429 |
+ * @brief MSC_BOT_CplClrFeature |
|
| 430 |
+ * Complete the clear feature request |
|
| 431 |
+ * @param pdev: device instance |
|
| 432 |
+ * @param epnum: endpoint index |
|
| 433 |
+ * @retval None |
|
| 434 |
+ */ |
|
| 435 |
+ |
|
| 436 |
+void MSC_BOT_CplClrFeature(USBD_HandleTypeDef *pdev, uint8_t epnum) |
|
| 437 |
+{
|
|
| 438 |
+ USBD_MSC_BOT_HandleTypeDef *hmsc = (USBD_MSC_BOT_HandleTypeDef *)pdev->pClassDataCmsit[pdev->classId]; |
|
| 439 |
+ |
|
| 440 |
+#ifdef USE_USBD_COMPOSITE |
|
| 441 |
+ /* Get the Endpoints addresses allocated for this class instance */ |
|
| 442 |
+ MSCInEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_IN, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 443 |
+ MSCOutEpAdd = USBD_CoreGetEPAdd(pdev, USBD_EP_OUT, USBD_EP_TYPE_BULK, (uint8_t)pdev->classId); |
|
| 444 |
+#endif /* USE_USBD_COMPOSITE */ |
|
| 445 |
+ |
|
| 446 |
+ if (hmsc == NULL) |
|
| 447 |
+ {
|
|
| 448 |
+ return; |
|
| 449 |
+ } |
|
| 450 |
+ |
|
| 451 |
+ if (hmsc->bot_status == USBD_BOT_STATUS_ERROR) /* Bad CBW Signature */ |
|
| 452 |
+ {
|
|
| 453 |
+ (void)USBD_LL_StallEP(pdev, MSCInEpAdd); |
|
| 454 |
+ (void)USBD_LL_StallEP(pdev, MSCOutEpAdd); |
|
| 455 |
+ } |
|
| 456 |
+ else if (((epnum & 0x80U) == 0x80U) && (hmsc->bot_status != USBD_BOT_STATUS_RECOVERY)) |
|
| 457 |
+ {
|
|
| 458 |
+ MSC_BOT_SendCSW(pdev, USBD_CSW_CMD_FAILED); |
|
| 459 |
+ } |
|
| 460 |
+ else |
|
| 461 |
+ {
|
|
| 462 |
+ return; |
|
| 463 |
+ } |
|
| 464 |
+} |
|
| 465 |
+/** |
|
| 466 |
+ * @} |
|
| 467 |
+ */ |
|
| 468 |
+ |
|
| 469 |
+ |
|
| 470 |
+/** |
|
| 471 |
+ * @} |
|
| 472 |
+ */ |
|
| 473 |
+ |
|
| 474 |
+ |
|
| 475 |
+/** |
|
| 476 |
+ * @} |
|
| 477 |
+ */ |
|
| 478 |
+ |