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Dependencies:   mbed SB1602E TextLCD MSCFILESytem FatFileSystemCpp

USBmemory/USBHostLite/usbhost_ms.cpp@1:93775378e5d9, 2020-08-27 (annotated)

Committer:
MPPT51
Date:
Thu Aug 27 08:14:30 2020 +0000
Revision:
1:93775378e5d9
ENGLISH ONLY

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MPPT51 1:93775378e5d9 1 /*
MPPT51 1:93775378e5d9 2 **************************************************************************************************************
MPPT51 1:93775378e5d9 3 * NXP USB Host Stack
MPPT51 1:93775378e5d9 4 *
MPPT51 1:93775378e5d9 5 * (c) Copyright 2008, NXP SemiConductors
MPPT51 1:93775378e5d9 6 * (c) Copyright 2008, OnChip Technologies LLC
MPPT51 1:93775378e5d9 7 * All Rights Reserved
MPPT51 1:93775378e5d9 8 *
MPPT51 1:93775378e5d9 9 * www.nxp.com
MPPT51 1:93775378e5d9 10 * www.onchiptech.com
MPPT51 1:93775378e5d9 11 *
MPPT51 1:93775378e5d9 12 * File : usbhost_ms.c
MPPT51 1:93775378e5d9 13 * Programmer(s) : Ravikanth.P
MPPT51 1:93775378e5d9 14 * Version :
MPPT51 1:93775378e5d9 15 *
MPPT51 1:93775378e5d9 16 **************************************************************************************************************
MPPT51 1:93775378e5d9 17 */
MPPT51 1:93775378e5d9 18
MPPT51 1:93775378e5d9 19 /*
MPPT51 1:93775378e5d9 20 **************************************************************************************************************
MPPT51 1:93775378e5d9 21 * INCLUDE HEADER FILES
MPPT51 1:93775378e5d9 22 **************************************************************************************************************
MPPT51 1:93775378e5d9 23 */
MPPT51 1:93775378e5d9 24
MPPT51 1:93775378e5d9 25 #include "usbhost_ms.h"
MPPT51 1:93775378e5d9 26
MPPT51 1:93775378e5d9 27 /*
MPPT51 1:93775378e5d9 28 **************************************************************************************************************
MPPT51 1:93775378e5d9 29 * GLOBAL VARIABLES
MPPT51 1:93775378e5d9 30 **************************************************************************************************************
MPPT51 1:93775378e5d9 31 */
MPPT51 1:93775378e5d9 32
MPPT51 1:93775378e5d9 33 USB_INT32U MS_BlkSize;
MPPT51 1:93775378e5d9 34
MPPT51 1:93775378e5d9 35 /*
MPPT51 1:93775378e5d9 36 **************************************************************************************************************
MPPT51 1:93775378e5d9 37 * INITIALIZE MASS STORAGE INTERFACE
MPPT51 1:93775378e5d9 38 *
MPPT51 1:93775378e5d9 39 * Description: This function initializes the mass storage interface
MPPT51 1:93775378e5d9 40 *
MPPT51 1:93775378e5d9 41 * Arguments : None
MPPT51 1:93775378e5d9 42 *
MPPT51 1:93775378e5d9 43 * Returns : OK if Success
MPPT51 1:93775378e5d9 44 * ERR_INVALID_BOOTSIG if Failed
MPPT51 1:93775378e5d9 45 *
MPPT51 1:93775378e5d9 46 **************************************************************************************************************
MPPT51 1:93775378e5d9 47 */
MPPT51 1:93775378e5d9 48
MPPT51 1:93775378e5d9 49 USB_INT32S MS_Init (USB_INT32U *blkSize, USB_INT32U *numBlks, USB_INT08U *inquiryResult)
MPPT51 1:93775378e5d9 50 {
MPPT51 1:93775378e5d9 51 USB_INT08U retry;
MPPT51 1:93775378e5d9 52 USB_INT32S rc;
MPPT51 1:93775378e5d9 53
MPPT51 1:93775378e5d9 54 MS_GetMaxLUN(); /* Get maximum logical unit number */
MPPT51 1:93775378e5d9 55 retry = 80;
MPPT51 1:93775378e5d9 56 while(retry) {
MPPT51 1:93775378e5d9 57 rc = MS_TestUnitReady(); /* Test whether the unit is ready */
MPPT51 1:93775378e5d9 58 if (rc == OK) {
MPPT51 1:93775378e5d9 59 break;
MPPT51 1:93775378e5d9 60 }
MPPT51 1:93775378e5d9 61 MS_GetSenseInfo(); /* Get sense information */
MPPT51 1:93775378e5d9 62 retry--;
MPPT51 1:93775378e5d9 63 }
MPPT51 1:93775378e5d9 64 if (rc != OK) {
MPPT51 1:93775378e5d9 65 PRINT_Err(rc);
MPPT51 1:93775378e5d9 66 return (rc);
MPPT51 1:93775378e5d9 67 }
MPPT51 1:93775378e5d9 68 rc = MS_ReadCapacity(numBlks, blkSize); /* Read capacity of the disk */
MPPT51 1:93775378e5d9 69 MS_BlkSize = *blkSize; // Set global
MPPT51 1:93775378e5d9 70 rc = MS_Inquire (inquiryResult);
MPPT51 1:93775378e5d9 71 return (rc);
MPPT51 1:93775378e5d9 72 }
MPPT51 1:93775378e5d9 73 /*
MPPT51 1:93775378e5d9 74 **************************************************************************************************************
MPPT51 1:93775378e5d9 75 * PARSE THE CONFIGURATION
MPPT51 1:93775378e5d9 76 *
MPPT51 1:93775378e5d9 77 * Description: This function is used to parse the configuration
MPPT51 1:93775378e5d9 78 *
MPPT51 1:93775378e5d9 79 * Arguments : None
MPPT51 1:93775378e5d9 80 *
MPPT51 1:93775378e5d9 81 * Returns : OK if Success
MPPT51 1:93775378e5d9 82 * ERR_INVALID_BOOTSIG if Failed
MPPT51 1:93775378e5d9 83 *
MPPT51 1:93775378e5d9 84 **************************************************************************************************************
MPPT51 1:93775378e5d9 85 */
MPPT51 1:93775378e5d9 86
MPPT51 1:93775378e5d9 87 USB_INT32S MS_ParseConfiguration (void)
MPPT51 1:93775378e5d9 88 {
MPPT51 1:93775378e5d9 89 volatile USB_INT08U *desc_ptr;
MPPT51 1:93775378e5d9 90 USB_INT08U ms_int_found;
MPPT51 1:93775378e5d9 91
MPPT51 1:93775378e5d9 92
MPPT51 1:93775378e5d9 93 desc_ptr = TDBuffer;
MPPT51 1:93775378e5d9 94 ms_int_found = 0;
MPPT51 1:93775378e5d9 95
MPPT51 1:93775378e5d9 96 if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION) {
MPPT51 1:93775378e5d9 97 return (ERR_BAD_CONFIGURATION);
MPPT51 1:93775378e5d9 98 }
MPPT51 1:93775378e5d9 99 desc_ptr += desc_ptr[0];
MPPT51 1:93775378e5d9 100
MPPT51 1:93775378e5d9 101 while (desc_ptr != TDBuffer + ReadLE16U(&TDBuffer[2])) {
MPPT51 1:93775378e5d9 102
MPPT51 1:93775378e5d9 103 switch (desc_ptr[1]) {
MPPT51 1:93775378e5d9 104
MPPT51 1:93775378e5d9 105 case USB_DESCRIPTOR_TYPE_INTERFACE: /* If it is an interface descriptor */
MPPT51 1:93775378e5d9 106 if (desc_ptr[5] == MASS_STORAGE_CLASS && /* check if the class is mass storage */
MPPT51 1:93775378e5d9 107 desc_ptr[6] == MASS_STORAGE_SUBCLASS_SCSI && /* check if the subclass is SCSI */
MPPT51 1:93775378e5d9 108 desc_ptr[7] == MASS_STORAGE_PROTOCOL_BO) { /* check if the protocol is Bulk only */
MPPT51 1:93775378e5d9 109 ms_int_found = 1;
MPPT51 1:93775378e5d9 110 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
MPPT51 1:93775378e5d9 111 }
MPPT51 1:93775378e5d9 112 break;
MPPT51 1:93775378e5d9 113
MPPT51 1:93775378e5d9 114 case USB_DESCRIPTOR_TYPE_ENDPOINT: /* If it is an endpoint descriptor */
MPPT51 1:93775378e5d9 115 if ((desc_ptr[3] & 0x03) == 0x02) { /* If it is Bulk endpoint */
MPPT51 1:93775378e5d9 116 if (desc_ptr[2] & 0x80) { /* If it is In endpoint */
MPPT51 1:93775378e5d9 117 EDBulkIn->Control = 1 | /* USB address */
MPPT51 1:93775378e5d9 118 ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */
MPPT51 1:93775378e5d9 119 (2 << 11) | /* direction */
MPPT51 1:93775378e5d9 120 (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
MPPT51 1:93775378e5d9 121 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
MPPT51 1:93775378e5d9 122 } else { /* If it is Out endpoint */
MPPT51 1:93775378e5d9 123 EDBulkOut->Control = 1 | /* USB address */
MPPT51 1:93775378e5d9 124 ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */
MPPT51 1:93775378e5d9 125 (1 << 11) | /* direction */
MPPT51 1:93775378e5d9 126 (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
MPPT51 1:93775378e5d9 127 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
MPPT51 1:93775378e5d9 128 }
MPPT51 1:93775378e5d9 129 } else { /* If it is not bulk end point */
MPPT51 1:93775378e5d9 130 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
MPPT51 1:93775378e5d9 131 }
MPPT51 1:93775378e5d9 132 break;
MPPT51 1:93775378e5d9 133
MPPT51 1:93775378e5d9 134 default: /* If the descriptor is neither interface nor endpoint */
MPPT51 1:93775378e5d9 135 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
MPPT51 1:93775378e5d9 136 break;
MPPT51 1:93775378e5d9 137 }
MPPT51 1:93775378e5d9 138 }
MPPT51 1:93775378e5d9 139 if (ms_int_found) {
MPPT51 1:93775378e5d9 140 PRINT_Log("Mass Storage device connected\n");
MPPT51 1:93775378e5d9 141 return (OK);
MPPT51 1:93775378e5d9 142 } else {
MPPT51 1:93775378e5d9 143 PRINT_Log("Not a Mass Storage device\n");
MPPT51 1:93775378e5d9 144 return (ERR_NO_MS_INTERFACE);
MPPT51 1:93775378e5d9 145 }
MPPT51 1:93775378e5d9 146 }
MPPT51 1:93775378e5d9 147
MPPT51 1:93775378e5d9 148 /*
MPPT51 1:93775378e5d9 149 **************************************************************************************************************
MPPT51 1:93775378e5d9 150 * GET MAXIMUM LOGICAL UNIT
MPPT51 1:93775378e5d9 151 *
MPPT51 1:93775378e5d9 152 * Description: This function returns the maximum logical unit from the device
MPPT51 1:93775378e5d9 153 *
MPPT51 1:93775378e5d9 154 * Arguments : None
MPPT51 1:93775378e5d9 155 *
MPPT51 1:93775378e5d9 156 * Returns : OK if Success
MPPT51 1:93775378e5d9 157 * ERR_INVALID_BOOTSIG if Failed
MPPT51 1:93775378e5d9 158 *
MPPT51 1:93775378e5d9 159 **************************************************************************************************************
MPPT51 1:93775378e5d9 160 */
MPPT51 1:93775378e5d9 161
MPPT51 1:93775378e5d9 162 USB_INT32S MS_GetMaxLUN (void)
MPPT51 1:93775378e5d9 163 {
MPPT51 1:93775378e5d9 164 USB_INT32S rc;
MPPT51 1:93775378e5d9 165
MPPT51 1:93775378e5d9 166
MPPT51 1:93775378e5d9 167 rc = Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
MPPT51 1:93775378e5d9 168 MS_GET_MAX_LUN_REQ,
MPPT51 1:93775378e5d9 169 0,
MPPT51 1:93775378e5d9 170 0,
MPPT51 1:93775378e5d9 171 1,
MPPT51 1:93775378e5d9 172 TDBuffer);
MPPT51 1:93775378e5d9 173 return (rc);
MPPT51 1:93775378e5d9 174 }
MPPT51 1:93775378e5d9 175
MPPT51 1:93775378e5d9 176 /*
MPPT51 1:93775378e5d9 177 **************************************************************************************************************
MPPT51 1:93775378e5d9 178 * GET SENSE INFORMATION
MPPT51 1:93775378e5d9 179 *
MPPT51 1:93775378e5d9 180 * Description: This function is used to get sense information from the device
MPPT51 1:93775378e5d9 181 *
MPPT51 1:93775378e5d9 182 * Arguments : None
MPPT51 1:93775378e5d9 183 *
MPPT51 1:93775378e5d9 184 * Returns : OK if Success
MPPT51 1:93775378e5d9 185 * ERROR if Failed
MPPT51 1:93775378e5d9 186 *
MPPT51 1:93775378e5d9 187 **************************************************************************************************************
MPPT51 1:93775378e5d9 188 */
MPPT51 1:93775378e5d9 189
MPPT51 1:93775378e5d9 190 USB_INT32S MS_GetSenseInfo (void)
MPPT51 1:93775378e5d9 191 {
MPPT51 1:93775378e5d9 192 USB_INT32S rc;
MPPT51 1:93775378e5d9 193
MPPT51 1:93775378e5d9 194
MPPT51 1:93775378e5d9 195 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_REQUEST_SENSE, 6);
MPPT51 1:93775378e5d9 196 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
MPPT51 1:93775378e5d9 197 if (rc == OK) {
MPPT51 1:93775378e5d9 198 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 18);
MPPT51 1:93775378e5d9 199 if (rc == OK) {
MPPT51 1:93775378e5d9 200 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
MPPT51 1:93775378e5d9 201 if (rc == OK) {
MPPT51 1:93775378e5d9 202 if (TDBuffer[12] != 0) {
MPPT51 1:93775378e5d9 203 rc = ERR_MS_CMD_FAILED;
MPPT51 1:93775378e5d9 204 }
MPPT51 1:93775378e5d9 205 }
MPPT51 1:93775378e5d9 206 }
MPPT51 1:93775378e5d9 207 }
MPPT51 1:93775378e5d9 208 return (rc);
MPPT51 1:93775378e5d9 209 }
MPPT51 1:93775378e5d9 210
MPPT51 1:93775378e5d9 211 /*
MPPT51 1:93775378e5d9 212 **************************************************************************************************************
MPPT51 1:93775378e5d9 213 * TEST UNIT READY
MPPT51 1:93775378e5d9 214 *
MPPT51 1:93775378e5d9 215 * Description: This function is used to test whether the unit is ready or not
MPPT51 1:93775378e5d9 216 *
MPPT51 1:93775378e5d9 217 * Arguments : None
MPPT51 1:93775378e5d9 218 *
MPPT51 1:93775378e5d9 219 * Returns : OK if Success
MPPT51 1:93775378e5d9 220 * ERROR if Failed
MPPT51 1:93775378e5d9 221 *
MPPT51 1:93775378e5d9 222 **************************************************************************************************************
MPPT51 1:93775378e5d9 223 */
MPPT51 1:93775378e5d9 224
MPPT51 1:93775378e5d9 225 USB_INT32S MS_TestUnitReady (void)
MPPT51 1:93775378e5d9 226 {
MPPT51 1:93775378e5d9 227 USB_INT32S rc;
MPPT51 1:93775378e5d9 228
MPPT51 1:93775378e5d9 229
MPPT51 1:93775378e5d9 230 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_NONE, SCSI_CMD_TEST_UNIT_READY, 6);
MPPT51 1:93775378e5d9 231 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
MPPT51 1:93775378e5d9 232 if (rc == OK) {
MPPT51 1:93775378e5d9 233 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
MPPT51 1:93775378e5d9 234 if (rc == OK) {
MPPT51 1:93775378e5d9 235 if (TDBuffer[12] != 0) {
MPPT51 1:93775378e5d9 236 rc = ERR_MS_CMD_FAILED;
MPPT51 1:93775378e5d9 237 }
MPPT51 1:93775378e5d9 238 }
MPPT51 1:93775378e5d9 239 }
MPPT51 1:93775378e5d9 240 return (rc);
MPPT51 1:93775378e5d9 241 }
MPPT51 1:93775378e5d9 242
MPPT51 1:93775378e5d9 243 /*
MPPT51 1:93775378e5d9 244 **************************************************************************************************************
MPPT51 1:93775378e5d9 245 * READ CAPACITY
MPPT51 1:93775378e5d9 246 *
MPPT51 1:93775378e5d9 247 * Description: This function is used to read the capacity of the mass storage device
MPPT51 1:93775378e5d9 248 *
MPPT51 1:93775378e5d9 249 * Arguments : None
MPPT51 1:93775378e5d9 250 *
MPPT51 1:93775378e5d9 251 * Returns : OK if Success
MPPT51 1:93775378e5d9 252 * ERROR if Failed
MPPT51 1:93775378e5d9 253 *
MPPT51 1:93775378e5d9 254 **************************************************************************************************************
MPPT51 1:93775378e5d9 255 */
MPPT51 1:93775378e5d9 256
MPPT51 1:93775378e5d9 257 USB_INT32S MS_ReadCapacity (USB_INT32U *numBlks, USB_INT32U *blkSize)
MPPT51 1:93775378e5d9 258 {
MPPT51 1:93775378e5d9 259 USB_INT32S rc;
MPPT51 1:93775378e5d9 260
MPPT51 1:93775378e5d9 261
MPPT51 1:93775378e5d9 262 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_READ_CAPACITY, 10);
MPPT51 1:93775378e5d9 263 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
MPPT51 1:93775378e5d9 264 if (rc == OK) {
MPPT51 1:93775378e5d9 265 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 8);
MPPT51 1:93775378e5d9 266 if (rc == OK) {
MPPT51 1:93775378e5d9 267 if (numBlks)
MPPT51 1:93775378e5d9 268 *numBlks = ReadBE32U(&TDBuffer[0]);
MPPT51 1:93775378e5d9 269 if (blkSize)
MPPT51 1:93775378e5d9 270 *blkSize = ReadBE32U(&TDBuffer[4]);
MPPT51 1:93775378e5d9 271 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
MPPT51 1:93775378e5d9 272 if (rc == OK) {
MPPT51 1:93775378e5d9 273 if (TDBuffer[12] != 0) {
MPPT51 1:93775378e5d9 274 rc = ERR_MS_CMD_FAILED;
MPPT51 1:93775378e5d9 275 }
MPPT51 1:93775378e5d9 276 }
MPPT51 1:93775378e5d9 277 }
MPPT51 1:93775378e5d9 278 }
MPPT51 1:93775378e5d9 279 return (rc);
MPPT51 1:93775378e5d9 280 }
MPPT51 1:93775378e5d9 281
MPPT51 1:93775378e5d9 282
MPPT51 1:93775378e5d9 283
MPPT51 1:93775378e5d9 284 USB_INT32S MS_Inquire (USB_INT08U *response)
MPPT51 1:93775378e5d9 285 {
MPPT51 1:93775378e5d9 286 USB_INT32S rc;
MPPT51 1:93775378e5d9 287 USB_INT32U i;
MPPT51 1:93775378e5d9 288
MPPT51 1:93775378e5d9 289 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_INQUIRY, 6);
MPPT51 1:93775378e5d9 290 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
MPPT51 1:93775378e5d9 291 if (rc == OK) {
MPPT51 1:93775378e5d9 292 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, INQUIRY_LENGTH);
MPPT51 1:93775378e5d9 293 if (rc == OK) {
MPPT51 1:93775378e5d9 294 if (response) {
MPPT51 1:93775378e5d9 295 for ( i = 0; i < INQUIRY_LENGTH; i++ )
MPPT51 1:93775378e5d9 296 *response++ = *TDBuffer++;
MPPT51 1:93775378e5d9 297 #if 0
MPPT51 1:93775378e5d9 298 MemCpy (response, TDBuffer, INQUIRY_LENGTH);
MPPT51 1:93775378e5d9 299 StrNullTrailingSpace (response->vendorID, SCSI_INQUIRY_VENDORCHARS);
MPPT51 1:93775378e5d9 300 StrNullTrailingSpace (response->productID, SCSI_INQUIRY_PRODUCTCHARS);
MPPT51 1:93775378e5d9 301 StrNullTrailingSpace (response->productRev, SCSI_INQUIRY_REVCHARS);
MPPT51 1:93775378e5d9 302 #endif
MPPT51 1:93775378e5d9 303 }
MPPT51 1:93775378e5d9 304 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
MPPT51 1:93775378e5d9 305 if (rc == OK) {
MPPT51 1:93775378e5d9 306 if (TDBuffer[12] != 0) { // bCSWStatus byte
MPPT51 1:93775378e5d9 307 rc = ERR_MS_CMD_FAILED;
MPPT51 1:93775378e5d9 308 }
MPPT51 1:93775378e5d9 309 }
MPPT51 1:93775378e5d9 310 }
MPPT51 1:93775378e5d9 311 }
MPPT51 1:93775378e5d9 312 return (rc);
MPPT51 1:93775378e5d9 313 }
MPPT51 1:93775378e5d9 314
MPPT51 1:93775378e5d9 315 /*
MPPT51 1:93775378e5d9 316 **************************************************************************************************************
MPPT51 1:93775378e5d9 317 * RECEIVE THE BULK DATA
MPPT51 1:93775378e5d9 318 *
MPPT51 1:93775378e5d9 319 * Description: This function is used to receive the bulk data
MPPT51 1:93775378e5d9 320 *
MPPT51 1:93775378e5d9 321 * Arguments : None
MPPT51 1:93775378e5d9 322 *
MPPT51 1:93775378e5d9 323 * Returns : OK if Success
MPPT51 1:93775378e5d9 324 * ERR_INVALID_BOOTSIG if Failed
MPPT51 1:93775378e5d9 325 *
MPPT51 1:93775378e5d9 326 **************************************************************************************************************
MPPT51 1:93775378e5d9 327 */
MPPT51 1:93775378e5d9 328
MPPT51 1:93775378e5d9 329 USB_INT32S MS_BulkRecv ( USB_INT32U block_number,
MPPT51 1:93775378e5d9 330 USB_INT16U num_blocks,
MPPT51 1:93775378e5d9 331 volatile USB_INT08U *user_buffer)
MPPT51 1:93775378e5d9 332 {
MPPT51 1:93775378e5d9 333 USB_INT32S rc;
MPPT51 1:93775378e5d9 334 int i;
MPPT51 1:93775378e5d9 335 volatile USB_INT08U *c = user_buffer;
MPPT51 1:93775378e5d9 336 for (i=0;i<MS_BlkSize*num_blocks;i++)
MPPT51 1:93775378e5d9 337 *c++ = 0;
MPPT51 1:93775378e5d9 338
MPPT51 1:93775378e5d9 339
MPPT51 1:93775378e5d9 340 Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_IN, SCSI_CMD_READ_10, 10);
MPPT51 1:93775378e5d9 341
MPPT51 1:93775378e5d9 342 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
MPPT51 1:93775378e5d9 343 if (rc == OK) {
MPPT51 1:93775378e5d9 344 rc = Host_ProcessTD(EDBulkIn, TD_IN, user_buffer, MS_BlkSize * num_blocks);
MPPT51 1:93775378e5d9 345 if (rc == OK) {
MPPT51 1:93775378e5d9 346 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
MPPT51 1:93775378e5d9 347 if (rc == OK) {
MPPT51 1:93775378e5d9 348 if (TDBuffer[12] != 0) {
MPPT51 1:93775378e5d9 349 rc = ERR_MS_CMD_FAILED;
MPPT51 1:93775378e5d9 350 }
MPPT51 1:93775378e5d9 351 }
MPPT51 1:93775378e5d9 352 }
MPPT51 1:93775378e5d9 353 }
MPPT51 1:93775378e5d9 354 return (rc);
MPPT51 1:93775378e5d9 355 }
MPPT51 1:93775378e5d9 356
MPPT51 1:93775378e5d9 357 /*
MPPT51 1:93775378e5d9 358 **************************************************************************************************************
MPPT51 1:93775378e5d9 359 * SEND BULK DATA
MPPT51 1:93775378e5d9 360 *
MPPT51 1:93775378e5d9 361 * Description: This function is used to send the bulk data
MPPT51 1:93775378e5d9 362 *
MPPT51 1:93775378e5d9 363 * Arguments : None
MPPT51 1:93775378e5d9 364 *
MPPT51 1:93775378e5d9 365 * Returns : OK if Success
MPPT51 1:93775378e5d9 366 * ERR_INVALID_BOOTSIG if Failed
MPPT51 1:93775378e5d9 367 *
MPPT51 1:93775378e5d9 368 **************************************************************************************************************
MPPT51 1:93775378e5d9 369 */
MPPT51 1:93775378e5d9 370
MPPT51 1:93775378e5d9 371 USB_INT32S MS_BulkSend ( USB_INT32U block_number,
MPPT51 1:93775378e5d9 372 USB_INT16U num_blocks,
MPPT51 1:93775378e5d9 373 volatile USB_INT08U *user_buffer)
MPPT51 1:93775378e5d9 374 {
MPPT51 1:93775378e5d9 375 USB_INT32S rc;
MPPT51 1:93775378e5d9 376
MPPT51 1:93775378e5d9 377
MPPT51 1:93775378e5d9 378 Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_OUT, SCSI_CMD_WRITE_10, 10);
MPPT51 1:93775378e5d9 379
MPPT51 1:93775378e5d9 380 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
MPPT51 1:93775378e5d9 381 if (rc == OK) {
MPPT51 1:93775378e5d9 382 rc = Host_ProcessTD(EDBulkOut, TD_OUT, user_buffer, MS_BlkSize * num_blocks);
MPPT51 1:93775378e5d9 383 if (rc == OK) {
MPPT51 1:93775378e5d9 384 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
MPPT51 1:93775378e5d9 385 if (rc == OK) {
MPPT51 1:93775378e5d9 386 if (TDBuffer[12] != 0) {
MPPT51 1:93775378e5d9 387 rc = ERR_MS_CMD_FAILED;
MPPT51 1:93775378e5d9 388 }
MPPT51 1:93775378e5d9 389 }
MPPT51 1:93775378e5d9 390 }
MPPT51 1:93775378e5d9 391 }
MPPT51 1:93775378e5d9 392 return (rc);
MPPT51 1:93775378e5d9 393 }
MPPT51 1:93775378e5d9 394
MPPT51 1:93775378e5d9 395 /*
MPPT51 1:93775378e5d9 396 **************************************************************************************************************
MPPT51 1:93775378e5d9 397 * FILL MASS STORAGE COMMAND
MPPT51 1:93775378e5d9 398 *
MPPT51 1:93775378e5d9 399 * Description: This function is used to fill the mass storage command
MPPT51 1:93775378e5d9 400 *
MPPT51 1:93775378e5d9 401 * Arguments : None
MPPT51 1:93775378e5d9 402 *
MPPT51 1:93775378e5d9 403 * Returns : OK if Success
MPPT51 1:93775378e5d9 404 * ERR_INVALID_BOOTSIG if Failed
MPPT51 1:93775378e5d9 405 *
MPPT51 1:93775378e5d9 406 **************************************************************************************************************
MPPT51 1:93775378e5d9 407 */
MPPT51 1:93775378e5d9 408
MPPT51 1:93775378e5d9 409 void Fill_MSCommand (USB_INT32U block_number,
MPPT51 1:93775378e5d9 410 USB_INT32U block_size,
MPPT51 1:93775378e5d9 411 USB_INT16U num_blocks,
MPPT51 1:93775378e5d9 412 MS_DATA_DIR direction,
MPPT51 1:93775378e5d9 413 USB_INT08U scsi_cmd,
MPPT51 1:93775378e5d9 414 USB_INT08U scsi_cmd_len)
MPPT51 1:93775378e5d9 415 {
MPPT51 1:93775378e5d9 416 USB_INT32U data_len;
MPPT51 1:93775378e5d9 417 static USB_INT32U tag_cnt = 0;
MPPT51 1:93775378e5d9 418 USB_INT32U cnt;
MPPT51 1:93775378e5d9 419
MPPT51 1:93775378e5d9 420
MPPT51 1:93775378e5d9 421 for (cnt = 0; cnt < CBW_SIZE; cnt++) {
MPPT51 1:93775378e5d9 422 TDBuffer[cnt] = 0;
MPPT51 1:93775378e5d9 423 }
MPPT51 1:93775378e5d9 424 switch(scsi_cmd) {
MPPT51 1:93775378e5d9 425
MPPT51 1:93775378e5d9 426 case SCSI_CMD_TEST_UNIT_READY:
MPPT51 1:93775378e5d9 427 data_len = 0;
MPPT51 1:93775378e5d9 428 break;
MPPT51 1:93775378e5d9 429 case SCSI_CMD_READ_CAPACITY:
MPPT51 1:93775378e5d9 430 data_len = 8;
MPPT51 1:93775378e5d9 431 break;
MPPT51 1:93775378e5d9 432 case SCSI_CMD_REQUEST_SENSE:
MPPT51 1:93775378e5d9 433 data_len = 18;
MPPT51 1:93775378e5d9 434 break;
MPPT51 1:93775378e5d9 435 case SCSI_CMD_INQUIRY:
MPPT51 1:93775378e5d9 436 data_len = 36;
MPPT51 1:93775378e5d9 437 break;
MPPT51 1:93775378e5d9 438 default:
MPPT51 1:93775378e5d9 439 data_len = block_size * num_blocks;
MPPT51 1:93775378e5d9 440 break;
MPPT51 1:93775378e5d9 441 }
MPPT51 1:93775378e5d9 442 WriteLE32U(TDBuffer, CBW_SIGNATURE);
MPPT51 1:93775378e5d9 443 WriteLE32U(&TDBuffer[4], tag_cnt);
MPPT51 1:93775378e5d9 444 WriteLE32U(&TDBuffer[8], data_len);
MPPT51 1:93775378e5d9 445 TDBuffer[12] = (direction == MS_DATA_DIR_NONE) ? 0 : direction;
MPPT51 1:93775378e5d9 446 TDBuffer[14] = scsi_cmd_len; /* Length of the CBW */
MPPT51 1:93775378e5d9 447 TDBuffer[15] = scsi_cmd;
MPPT51 1:93775378e5d9 448 if ((scsi_cmd == SCSI_CMD_REQUEST_SENSE)
MPPT51 1:93775378e5d9 449 || (scsi_cmd == SCSI_CMD_INQUIRY)) {
MPPT51 1:93775378e5d9 450 TDBuffer[19] = (USB_INT08U)data_len;
MPPT51 1:93775378e5d9 451 } else {
MPPT51 1:93775378e5d9 452 WriteBE32U(&TDBuffer[17], block_number);
MPPT51 1:93775378e5d9 453 }
MPPT51 1:93775378e5d9 454 WriteBE16U(&TDBuffer[22], num_blocks);
MPPT51 1:93775378e5d9 455 }