Dependencies:   mbed

Committer:
Markus_Paar
Date:
Mon Sep 19 10:25:22 2011 +0000
Revision:
0:48870d877970

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Markus_Paar 0:48870d877970 1 /*
Markus_Paar 0:48870d877970 2 **************************************************************************************************************
Markus_Paar 0:48870d877970 3 * NXP USB Host Stack
Markus_Paar 0:48870d877970 4 *
Markus_Paar 0:48870d877970 5 * (c) Copyright 2008, NXP SemiConductors
Markus_Paar 0:48870d877970 6 * (c) Copyright 2008, OnChip Technologies LLC
Markus_Paar 0:48870d877970 7 * All Rights Reserved
Markus_Paar 0:48870d877970 8 *
Markus_Paar 0:48870d877970 9 * www.nxp.com
Markus_Paar 0:48870d877970 10 * www.onchiptech.com
Markus_Paar 0:48870d877970 11 *
Markus_Paar 0:48870d877970 12 * File : usbhost_ms.c
Markus_Paar 0:48870d877970 13 * Programmer(s) : Ravikanth.P
Markus_Paar 0:48870d877970 14 * Version :
Markus_Paar 0:48870d877970 15 *
Markus_Paar 0:48870d877970 16 **************************************************************************************************************
Markus_Paar 0:48870d877970 17 */
Markus_Paar 0:48870d877970 18
Markus_Paar 0:48870d877970 19 /*
Markus_Paar 0:48870d877970 20 **************************************************************************************************************
Markus_Paar 0:48870d877970 21 * INCLUDE HEADER FILES
Markus_Paar 0:48870d877970 22 **************************************************************************************************************
Markus_Paar 0:48870d877970 23 */
Markus_Paar 0:48870d877970 24
Markus_Paar 0:48870d877970 25 #include "usbhost_ms.h"
Markus_Paar 0:48870d877970 26
Markus_Paar 0:48870d877970 27 /*
Markus_Paar 0:48870d877970 28 **************************************************************************************************************
Markus_Paar 0:48870d877970 29 * GLOBAL VARIABLES
Markus_Paar 0:48870d877970 30 **************************************************************************************************************
Markus_Paar 0:48870d877970 31 */
Markus_Paar 0:48870d877970 32
Markus_Paar 0:48870d877970 33 USB_INT32U MS_BlkSize;
Markus_Paar 0:48870d877970 34
Markus_Paar 0:48870d877970 35 /*
Markus_Paar 0:48870d877970 36 **************************************************************************************************************
Markus_Paar 0:48870d877970 37 * INITIALIZE MASS STORAGE INTERFACE
Markus_Paar 0:48870d877970 38 *
Markus_Paar 0:48870d877970 39 * Description: This function initializes the mass storage interface
Markus_Paar 0:48870d877970 40 *
Markus_Paar 0:48870d877970 41 * Arguments : None
Markus_Paar 0:48870d877970 42 *
Markus_Paar 0:48870d877970 43 * Returns : OK if Success
Markus_Paar 0:48870d877970 44 * ERR_INVALID_BOOTSIG if Failed
Markus_Paar 0:48870d877970 45 *
Markus_Paar 0:48870d877970 46 **************************************************************************************************************
Markus_Paar 0:48870d877970 47 */
Markus_Paar 0:48870d877970 48
Markus_Paar 0:48870d877970 49 USB_INT32S MS_Init (USB_INT32U *blkSize, USB_INT32U *numBlks, USB_INT08U *inquiryResult)
Markus_Paar 0:48870d877970 50 {
Markus_Paar 0:48870d877970 51 USB_INT08U retry;
Markus_Paar 0:48870d877970 52 USB_INT32S rc;
Markus_Paar 0:48870d877970 53
Markus_Paar 0:48870d877970 54 MS_GetMaxLUN(); /* Get maximum logical unit number */
Markus_Paar 0:48870d877970 55 retry = 80;
Markus_Paar 0:48870d877970 56 while(retry) {
Markus_Paar 0:48870d877970 57 rc = MS_TestUnitReady(); /* Test whether the unit is ready */
Markus_Paar 0:48870d877970 58 if (rc == OK) {
Markus_Paar 0:48870d877970 59 break;
Markus_Paar 0:48870d877970 60 }
Markus_Paar 0:48870d877970 61 MS_GetSenseInfo(); /* Get sense information */
Markus_Paar 0:48870d877970 62 retry--;
Markus_Paar 0:48870d877970 63 }
Markus_Paar 0:48870d877970 64 if (rc != OK) {
Markus_Paar 0:48870d877970 65 PRINT_Err(rc);
Markus_Paar 0:48870d877970 66 return (rc);
Markus_Paar 0:48870d877970 67 }
Markus_Paar 0:48870d877970 68 rc = MS_ReadCapacity(numBlks, blkSize); /* Read capacity of the disk */
Markus_Paar 0:48870d877970 69 MS_BlkSize = *blkSize; // Set global
Markus_Paar 0:48870d877970 70 rc = MS_Inquire (inquiryResult);
Markus_Paar 0:48870d877970 71 return (rc);
Markus_Paar 0:48870d877970 72 }
Markus_Paar 0:48870d877970 73 /*
Markus_Paar 0:48870d877970 74 **************************************************************************************************************
Markus_Paar 0:48870d877970 75 * PARSE THE CONFIGURATION
Markus_Paar 0:48870d877970 76 *
Markus_Paar 0:48870d877970 77 * Description: This function is used to parse the configuration
Markus_Paar 0:48870d877970 78 *
Markus_Paar 0:48870d877970 79 * Arguments : None
Markus_Paar 0:48870d877970 80 *
Markus_Paar 0:48870d877970 81 * Returns : OK if Success
Markus_Paar 0:48870d877970 82 * ERR_INVALID_BOOTSIG if Failed
Markus_Paar 0:48870d877970 83 *
Markus_Paar 0:48870d877970 84 **************************************************************************************************************
Markus_Paar 0:48870d877970 85 */
Markus_Paar 0:48870d877970 86
Markus_Paar 0:48870d877970 87 USB_INT32S MS_ParseConfiguration (void)
Markus_Paar 0:48870d877970 88 {
Markus_Paar 0:48870d877970 89 volatile USB_INT08U *desc_ptr;
Markus_Paar 0:48870d877970 90 USB_INT08U ms_int_found;
Markus_Paar 0:48870d877970 91
Markus_Paar 0:48870d877970 92
Markus_Paar 0:48870d877970 93 desc_ptr = TDBuffer;
Markus_Paar 0:48870d877970 94 ms_int_found = 0;
Markus_Paar 0:48870d877970 95
Markus_Paar 0:48870d877970 96 if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION) {
Markus_Paar 0:48870d877970 97 return (ERR_BAD_CONFIGURATION);
Markus_Paar 0:48870d877970 98 }
Markus_Paar 0:48870d877970 99 desc_ptr += desc_ptr[0];
Markus_Paar 0:48870d877970 100
Markus_Paar 0:48870d877970 101 while (desc_ptr != TDBuffer + ReadLE16U(&TDBuffer[2])) {
Markus_Paar 0:48870d877970 102
Markus_Paar 0:48870d877970 103 switch (desc_ptr[1]) {
Markus_Paar 0:48870d877970 104
Markus_Paar 0:48870d877970 105 case USB_DESCRIPTOR_TYPE_INTERFACE: /* If it is an interface descriptor */
Markus_Paar 0:48870d877970 106 if (desc_ptr[5] == MASS_STORAGE_CLASS && /* check if the class is mass storage */
Markus_Paar 0:48870d877970 107 desc_ptr[6] == MASS_STORAGE_SUBCLASS_SCSI && /* check if the subclass is SCSI */
Markus_Paar 0:48870d877970 108 desc_ptr[7] == MASS_STORAGE_PROTOCOL_BO) { /* check if the protocol is Bulk only */
Markus_Paar 0:48870d877970 109 ms_int_found = 1;
Markus_Paar 0:48870d877970 110 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
Markus_Paar 0:48870d877970 111 }
Markus_Paar 0:48870d877970 112 break;
Markus_Paar 0:48870d877970 113
Markus_Paar 0:48870d877970 114 case USB_DESCRIPTOR_TYPE_ENDPOINT: /* If it is an endpoint descriptor */
Markus_Paar 0:48870d877970 115 if ((desc_ptr[3] & 0x03) == 0x02) { /* If it is Bulk endpoint */
Markus_Paar 0:48870d877970 116 if (desc_ptr[2] & 0x80) { /* If it is In endpoint */
Markus_Paar 0:48870d877970 117 EDBulkIn->Control = 1 | /* USB address */
Markus_Paar 0:48870d877970 118 ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */
Markus_Paar 0:48870d877970 119 (2 << 11) | /* direction */
Markus_Paar 0:48870d877970 120 (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
Markus_Paar 0:48870d877970 121 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
Markus_Paar 0:48870d877970 122 } else { /* If it is Out endpoint */
Markus_Paar 0:48870d877970 123 EDBulkOut->Control = 1 | /* USB address */
Markus_Paar 0:48870d877970 124 ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */
Markus_Paar 0:48870d877970 125 (1 << 11) | /* direction */
Markus_Paar 0:48870d877970 126 (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
Markus_Paar 0:48870d877970 127 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
Markus_Paar 0:48870d877970 128 }
Markus_Paar 0:48870d877970 129 } else { /* If it is not bulk end point */
Markus_Paar 0:48870d877970 130 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
Markus_Paar 0:48870d877970 131 }
Markus_Paar 0:48870d877970 132 break;
Markus_Paar 0:48870d877970 133
Markus_Paar 0:48870d877970 134 default: /* If the descriptor is neither interface nor endpoint */
Markus_Paar 0:48870d877970 135 desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
Markus_Paar 0:48870d877970 136 break;
Markus_Paar 0:48870d877970 137 }
Markus_Paar 0:48870d877970 138 }
Markus_Paar 0:48870d877970 139 if (ms_int_found) {
Markus_Paar 0:48870d877970 140 PRINT_Log("Mass Storage device connected\n");
Markus_Paar 0:48870d877970 141 return (OK);
Markus_Paar 0:48870d877970 142 } else {
Markus_Paar 0:48870d877970 143 PRINT_Log("Not a Mass Storage device\n");
Markus_Paar 0:48870d877970 144 return (ERR_NO_MS_INTERFACE);
Markus_Paar 0:48870d877970 145 }
Markus_Paar 0:48870d877970 146 }
Markus_Paar 0:48870d877970 147
Markus_Paar 0:48870d877970 148 /*
Markus_Paar 0:48870d877970 149 **************************************************************************************************************
Markus_Paar 0:48870d877970 150 * GET MAXIMUM LOGICAL UNIT
Markus_Paar 0:48870d877970 151 *
Markus_Paar 0:48870d877970 152 * Description: This function returns the maximum logical unit from the device
Markus_Paar 0:48870d877970 153 *
Markus_Paar 0:48870d877970 154 * Arguments : None
Markus_Paar 0:48870d877970 155 *
Markus_Paar 0:48870d877970 156 * Returns : OK if Success
Markus_Paar 0:48870d877970 157 * ERR_INVALID_BOOTSIG if Failed
Markus_Paar 0:48870d877970 158 *
Markus_Paar 0:48870d877970 159 **************************************************************************************************************
Markus_Paar 0:48870d877970 160 */
Markus_Paar 0:48870d877970 161
Markus_Paar 0:48870d877970 162 USB_INT32S MS_GetMaxLUN (void)
Markus_Paar 0:48870d877970 163 {
Markus_Paar 0:48870d877970 164 USB_INT32S rc;
Markus_Paar 0:48870d877970 165
Markus_Paar 0:48870d877970 166
Markus_Paar 0:48870d877970 167 rc = Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE,
Markus_Paar 0:48870d877970 168 MS_GET_MAX_LUN_REQ,
Markus_Paar 0:48870d877970 169 0,
Markus_Paar 0:48870d877970 170 0,
Markus_Paar 0:48870d877970 171 1,
Markus_Paar 0:48870d877970 172 TDBuffer);
Markus_Paar 0:48870d877970 173 return (rc);
Markus_Paar 0:48870d877970 174 }
Markus_Paar 0:48870d877970 175
Markus_Paar 0:48870d877970 176 /*
Markus_Paar 0:48870d877970 177 **************************************************************************************************************
Markus_Paar 0:48870d877970 178 * GET SENSE INFORMATION
Markus_Paar 0:48870d877970 179 *
Markus_Paar 0:48870d877970 180 * Description: This function is used to get sense information from the device
Markus_Paar 0:48870d877970 181 *
Markus_Paar 0:48870d877970 182 * Arguments : None
Markus_Paar 0:48870d877970 183 *
Markus_Paar 0:48870d877970 184 * Returns : OK if Success
Markus_Paar 0:48870d877970 185 * ERROR if Failed
Markus_Paar 0:48870d877970 186 *
Markus_Paar 0:48870d877970 187 **************************************************************************************************************
Markus_Paar 0:48870d877970 188 */
Markus_Paar 0:48870d877970 189
Markus_Paar 0:48870d877970 190 USB_INT32S MS_GetSenseInfo (void)
Markus_Paar 0:48870d877970 191 {
Markus_Paar 0:48870d877970 192 USB_INT32S rc;
Markus_Paar 0:48870d877970 193
Markus_Paar 0:48870d877970 194
Markus_Paar 0:48870d877970 195 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_REQUEST_SENSE, 6);
Markus_Paar 0:48870d877970 196 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
Markus_Paar 0:48870d877970 197 if (rc == OK) {
Markus_Paar 0:48870d877970 198 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 18);
Markus_Paar 0:48870d877970 199 if (rc == OK) {
Markus_Paar 0:48870d877970 200 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
Markus_Paar 0:48870d877970 201 if (rc == OK) {
Markus_Paar 0:48870d877970 202 if (TDBuffer[12] != 0) {
Markus_Paar 0:48870d877970 203 rc = ERR_MS_CMD_FAILED;
Markus_Paar 0:48870d877970 204 }
Markus_Paar 0:48870d877970 205 }
Markus_Paar 0:48870d877970 206 }
Markus_Paar 0:48870d877970 207 }
Markus_Paar 0:48870d877970 208 return (rc);
Markus_Paar 0:48870d877970 209 }
Markus_Paar 0:48870d877970 210
Markus_Paar 0:48870d877970 211 /*
Markus_Paar 0:48870d877970 212 **************************************************************************************************************
Markus_Paar 0:48870d877970 213 * TEST UNIT READY
Markus_Paar 0:48870d877970 214 *
Markus_Paar 0:48870d877970 215 * Description: This function is used to test whether the unit is ready or not
Markus_Paar 0:48870d877970 216 *
Markus_Paar 0:48870d877970 217 * Arguments : None
Markus_Paar 0:48870d877970 218 *
Markus_Paar 0:48870d877970 219 * Returns : OK if Success
Markus_Paar 0:48870d877970 220 * ERROR if Failed
Markus_Paar 0:48870d877970 221 *
Markus_Paar 0:48870d877970 222 **************************************************************************************************************
Markus_Paar 0:48870d877970 223 */
Markus_Paar 0:48870d877970 224
Markus_Paar 0:48870d877970 225 USB_INT32S MS_TestUnitReady (void)
Markus_Paar 0:48870d877970 226 {
Markus_Paar 0:48870d877970 227 USB_INT32S rc;
Markus_Paar 0:48870d877970 228
Markus_Paar 0:48870d877970 229
Markus_Paar 0:48870d877970 230 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_NONE, SCSI_CMD_TEST_UNIT_READY, 6);
Markus_Paar 0:48870d877970 231 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
Markus_Paar 0:48870d877970 232 if (rc == OK) {
Markus_Paar 0:48870d877970 233 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
Markus_Paar 0:48870d877970 234 if (rc == OK) {
Markus_Paar 0:48870d877970 235 if (TDBuffer[12] != 0) {
Markus_Paar 0:48870d877970 236 rc = ERR_MS_CMD_FAILED;
Markus_Paar 0:48870d877970 237 }
Markus_Paar 0:48870d877970 238 }
Markus_Paar 0:48870d877970 239 }
Markus_Paar 0:48870d877970 240 return (rc);
Markus_Paar 0:48870d877970 241 }
Markus_Paar 0:48870d877970 242
Markus_Paar 0:48870d877970 243 /*
Markus_Paar 0:48870d877970 244 **************************************************************************************************************
Markus_Paar 0:48870d877970 245 * READ CAPACITY
Markus_Paar 0:48870d877970 246 *
Markus_Paar 0:48870d877970 247 * Description: This function is used to read the capacity of the mass storage device
Markus_Paar 0:48870d877970 248 *
Markus_Paar 0:48870d877970 249 * Arguments : None
Markus_Paar 0:48870d877970 250 *
Markus_Paar 0:48870d877970 251 * Returns : OK if Success
Markus_Paar 0:48870d877970 252 * ERROR if Failed
Markus_Paar 0:48870d877970 253 *
Markus_Paar 0:48870d877970 254 **************************************************************************************************************
Markus_Paar 0:48870d877970 255 */
Markus_Paar 0:48870d877970 256
Markus_Paar 0:48870d877970 257 USB_INT32S MS_ReadCapacity (USB_INT32U *numBlks, USB_INT32U *blkSize)
Markus_Paar 0:48870d877970 258 {
Markus_Paar 0:48870d877970 259 USB_INT32S rc;
Markus_Paar 0:48870d877970 260
Markus_Paar 0:48870d877970 261
Markus_Paar 0:48870d877970 262 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_READ_CAPACITY, 10);
Markus_Paar 0:48870d877970 263 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
Markus_Paar 0:48870d877970 264 if (rc == OK) {
Markus_Paar 0:48870d877970 265 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 8);
Markus_Paar 0:48870d877970 266 if (rc == OK) {
Markus_Paar 0:48870d877970 267 if (numBlks)
Markus_Paar 0:48870d877970 268 *numBlks = ReadBE32U(&TDBuffer[0]);
Markus_Paar 0:48870d877970 269 if (blkSize)
Markus_Paar 0:48870d877970 270 *blkSize = ReadBE32U(&TDBuffer[4]);
Markus_Paar 0:48870d877970 271 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
Markus_Paar 0:48870d877970 272 if (rc == OK) {
Markus_Paar 0:48870d877970 273 if (TDBuffer[12] != 0) {
Markus_Paar 0:48870d877970 274 rc = ERR_MS_CMD_FAILED;
Markus_Paar 0:48870d877970 275 }
Markus_Paar 0:48870d877970 276 }
Markus_Paar 0:48870d877970 277 }
Markus_Paar 0:48870d877970 278 }
Markus_Paar 0:48870d877970 279 return (rc);
Markus_Paar 0:48870d877970 280 }
Markus_Paar 0:48870d877970 281
Markus_Paar 0:48870d877970 282
Markus_Paar 0:48870d877970 283
Markus_Paar 0:48870d877970 284 USB_INT32S MS_Inquire (USB_INT08U *response)
Markus_Paar 0:48870d877970 285 {
Markus_Paar 0:48870d877970 286 USB_INT32S rc;
Markus_Paar 0:48870d877970 287 USB_INT32U i;
Markus_Paar 0:48870d877970 288
Markus_Paar 0:48870d877970 289 Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_INQUIRY, 6);
Markus_Paar 0:48870d877970 290 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
Markus_Paar 0:48870d877970 291 if (rc == OK) {
Markus_Paar 0:48870d877970 292 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, INQUIRY_LENGTH);
Markus_Paar 0:48870d877970 293 if (rc == OK) {
Markus_Paar 0:48870d877970 294 if (response) {
Markus_Paar 0:48870d877970 295 for ( i = 0; i < INQUIRY_LENGTH; i++ )
Markus_Paar 0:48870d877970 296 *response++ = *TDBuffer++;
Markus_Paar 0:48870d877970 297 #if 0
Markus_Paar 0:48870d877970 298 MemCpy (response, TDBuffer, INQUIRY_LENGTH);
Markus_Paar 0:48870d877970 299 StrNullTrailingSpace (response->vendorID, SCSI_INQUIRY_VENDORCHARS);
Markus_Paar 0:48870d877970 300 StrNullTrailingSpace (response->productID, SCSI_INQUIRY_PRODUCTCHARS);
Markus_Paar 0:48870d877970 301 StrNullTrailingSpace (response->productRev, SCSI_INQUIRY_REVCHARS);
Markus_Paar 0:48870d877970 302 #endif
Markus_Paar 0:48870d877970 303 }
Markus_Paar 0:48870d877970 304 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
Markus_Paar 0:48870d877970 305 if (rc == OK) {
Markus_Paar 0:48870d877970 306 if (TDBuffer[12] != 0) { // bCSWStatus byte
Markus_Paar 0:48870d877970 307 rc = ERR_MS_CMD_FAILED;
Markus_Paar 0:48870d877970 308 }
Markus_Paar 0:48870d877970 309 }
Markus_Paar 0:48870d877970 310 }
Markus_Paar 0:48870d877970 311 }
Markus_Paar 0:48870d877970 312 return (rc);
Markus_Paar 0:48870d877970 313 }
Markus_Paar 0:48870d877970 314
Markus_Paar 0:48870d877970 315 /*
Markus_Paar 0:48870d877970 316 **************************************************************************************************************
Markus_Paar 0:48870d877970 317 * RECEIVE THE BULK DATA
Markus_Paar 0:48870d877970 318 *
Markus_Paar 0:48870d877970 319 * Description: This function is used to receive the bulk data
Markus_Paar 0:48870d877970 320 *
Markus_Paar 0:48870d877970 321 * Arguments : None
Markus_Paar 0:48870d877970 322 *
Markus_Paar 0:48870d877970 323 * Returns : OK if Success
Markus_Paar 0:48870d877970 324 * ERR_INVALID_BOOTSIG if Failed
Markus_Paar 0:48870d877970 325 *
Markus_Paar 0:48870d877970 326 **************************************************************************************************************
Markus_Paar 0:48870d877970 327 */
Markus_Paar 0:48870d877970 328
Markus_Paar 0:48870d877970 329 USB_INT32S MS_BulkRecv ( USB_INT32U block_number,
Markus_Paar 0:48870d877970 330 USB_INT16U num_blocks,
Markus_Paar 0:48870d877970 331 volatile USB_INT08U *user_buffer)
Markus_Paar 0:48870d877970 332 {
Markus_Paar 0:48870d877970 333 USB_INT32S rc;
Markus_Paar 0:48870d877970 334 int i;
Markus_Paar 0:48870d877970 335 volatile USB_INT08U *c = user_buffer;
Markus_Paar 0:48870d877970 336 for (i=0;i<MS_BlkSize*num_blocks;i++)
Markus_Paar 0:48870d877970 337 *c++ = 0;
Markus_Paar 0:48870d877970 338
Markus_Paar 0:48870d877970 339
Markus_Paar 0:48870d877970 340 Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_IN, SCSI_CMD_READ_10, 10);
Markus_Paar 0:48870d877970 341
Markus_Paar 0:48870d877970 342 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
Markus_Paar 0:48870d877970 343 if (rc == OK) {
Markus_Paar 0:48870d877970 344 rc = Host_ProcessTD(EDBulkIn, TD_IN, user_buffer, MS_BlkSize * num_blocks);
Markus_Paar 0:48870d877970 345 if (rc == OK) {
Markus_Paar 0:48870d877970 346 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
Markus_Paar 0:48870d877970 347 if (rc == OK) {
Markus_Paar 0:48870d877970 348 if (TDBuffer[12] != 0) {
Markus_Paar 0:48870d877970 349 rc = ERR_MS_CMD_FAILED;
Markus_Paar 0:48870d877970 350 }
Markus_Paar 0:48870d877970 351 }
Markus_Paar 0:48870d877970 352 }
Markus_Paar 0:48870d877970 353 }
Markus_Paar 0:48870d877970 354 return (rc);
Markus_Paar 0:48870d877970 355 }
Markus_Paar 0:48870d877970 356
Markus_Paar 0:48870d877970 357 /*
Markus_Paar 0:48870d877970 358 **************************************************************************************************************
Markus_Paar 0:48870d877970 359 * SEND BULK DATA
Markus_Paar 0:48870d877970 360 *
Markus_Paar 0:48870d877970 361 * Description: This function is used to send the bulk data
Markus_Paar 0:48870d877970 362 *
Markus_Paar 0:48870d877970 363 * Arguments : None
Markus_Paar 0:48870d877970 364 *
Markus_Paar 0:48870d877970 365 * Returns : OK if Success
Markus_Paar 0:48870d877970 366 * ERR_INVALID_BOOTSIG if Failed
Markus_Paar 0:48870d877970 367 *
Markus_Paar 0:48870d877970 368 **************************************************************************************************************
Markus_Paar 0:48870d877970 369 */
Markus_Paar 0:48870d877970 370
Markus_Paar 0:48870d877970 371 USB_INT32S MS_BulkSend ( USB_INT32U block_number,
Markus_Paar 0:48870d877970 372 USB_INT16U num_blocks,
Markus_Paar 0:48870d877970 373 volatile USB_INT08U *user_buffer)
Markus_Paar 0:48870d877970 374 {
Markus_Paar 0:48870d877970 375 USB_INT32S rc;
Markus_Paar 0:48870d877970 376
Markus_Paar 0:48870d877970 377
Markus_Paar 0:48870d877970 378 Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_OUT, SCSI_CMD_WRITE_10, 10);
Markus_Paar 0:48870d877970 379
Markus_Paar 0:48870d877970 380 rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
Markus_Paar 0:48870d877970 381 if (rc == OK) {
Markus_Paar 0:48870d877970 382 rc = Host_ProcessTD(EDBulkOut, TD_OUT, user_buffer, MS_BlkSize * num_blocks);
Markus_Paar 0:48870d877970 383 if (rc == OK) {
Markus_Paar 0:48870d877970 384 rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
Markus_Paar 0:48870d877970 385 if (rc == OK) {
Markus_Paar 0:48870d877970 386 if (TDBuffer[12] != 0) {
Markus_Paar 0:48870d877970 387 rc = ERR_MS_CMD_FAILED;
Markus_Paar 0:48870d877970 388 }
Markus_Paar 0:48870d877970 389 }
Markus_Paar 0:48870d877970 390 }
Markus_Paar 0:48870d877970 391 }
Markus_Paar 0:48870d877970 392 return (rc);
Markus_Paar 0:48870d877970 393 }
Markus_Paar 0:48870d877970 394
Markus_Paar 0:48870d877970 395 /*
Markus_Paar 0:48870d877970 396 **************************************************************************************************************
Markus_Paar 0:48870d877970 397 * FILL MASS STORAGE COMMAND
Markus_Paar 0:48870d877970 398 *
Markus_Paar 0:48870d877970 399 * Description: This function is used to fill the mass storage command
Markus_Paar 0:48870d877970 400 *
Markus_Paar 0:48870d877970 401 * Arguments : None
Markus_Paar 0:48870d877970 402 *
Markus_Paar 0:48870d877970 403 * Returns : OK if Success
Markus_Paar 0:48870d877970 404 * ERR_INVALID_BOOTSIG if Failed
Markus_Paar 0:48870d877970 405 *
Markus_Paar 0:48870d877970 406 **************************************************************************************************************
Markus_Paar 0:48870d877970 407 */
Markus_Paar 0:48870d877970 408
Markus_Paar 0:48870d877970 409 void Fill_MSCommand (USB_INT32U block_number,
Markus_Paar 0:48870d877970 410 USB_INT32U block_size,
Markus_Paar 0:48870d877970 411 USB_INT16U num_blocks,
Markus_Paar 0:48870d877970 412 MS_DATA_DIR direction,
Markus_Paar 0:48870d877970 413 USB_INT08U scsi_cmd,
Markus_Paar 0:48870d877970 414 USB_INT08U scsi_cmd_len)
Markus_Paar 0:48870d877970 415 {
Markus_Paar 0:48870d877970 416 USB_INT32U data_len;
Markus_Paar 0:48870d877970 417 static USB_INT32U tag_cnt = 0;
Markus_Paar 0:48870d877970 418 USB_INT32U cnt;
Markus_Paar 0:48870d877970 419
Markus_Paar 0:48870d877970 420
Markus_Paar 0:48870d877970 421 for (cnt = 0; cnt < CBW_SIZE; cnt++) {
Markus_Paar 0:48870d877970 422 TDBuffer[cnt] = 0;
Markus_Paar 0:48870d877970 423 }
Markus_Paar 0:48870d877970 424 switch(scsi_cmd) {
Markus_Paar 0:48870d877970 425
Markus_Paar 0:48870d877970 426 case SCSI_CMD_TEST_UNIT_READY:
Markus_Paar 0:48870d877970 427 data_len = 0;
Markus_Paar 0:48870d877970 428 break;
Markus_Paar 0:48870d877970 429 case SCSI_CMD_READ_CAPACITY:
Markus_Paar 0:48870d877970 430 data_len = 8;
Markus_Paar 0:48870d877970 431 break;
Markus_Paar 0:48870d877970 432 case SCSI_CMD_REQUEST_SENSE:
Markus_Paar 0:48870d877970 433 data_len = 18;
Markus_Paar 0:48870d877970 434 break;
Markus_Paar 0:48870d877970 435 case SCSI_CMD_INQUIRY:
Markus_Paar 0:48870d877970 436 data_len = 36;
Markus_Paar 0:48870d877970 437 break;
Markus_Paar 0:48870d877970 438 default:
Markus_Paar 0:48870d877970 439 data_len = block_size * num_blocks;
Markus_Paar 0:48870d877970 440 break;
Markus_Paar 0:48870d877970 441 }
Markus_Paar 0:48870d877970 442 WriteLE32U(TDBuffer, CBW_SIGNATURE);
Markus_Paar 0:48870d877970 443 WriteLE32U(&TDBuffer[4], tag_cnt);
Markus_Paar 0:48870d877970 444 WriteLE32U(&TDBuffer[8], data_len);
Markus_Paar 0:48870d877970 445 TDBuffer[12] = (direction == MS_DATA_DIR_NONE) ? 0 : direction;
Markus_Paar 0:48870d877970 446 TDBuffer[14] = scsi_cmd_len; /* Length of the CBW */
Markus_Paar 0:48870d877970 447 TDBuffer[15] = scsi_cmd;
Markus_Paar 0:48870d877970 448 if ((scsi_cmd == SCSI_CMD_REQUEST_SENSE)
Markus_Paar 0:48870d877970 449 || (scsi_cmd == SCSI_CMD_INQUIRY)) {
Markus_Paar 0:48870d877970 450 TDBuffer[19] = (USB_INT08U)data_len;
Markus_Paar 0:48870d877970 451 } else {
Markus_Paar 0:48870d877970 452 WriteBE32U(&TDBuffer[17], block_number);
Markus_Paar 0:48870d877970 453 }
Markus_Paar 0:48870d877970 454 WriteBE16U(&TDBuffer[22], num_blocks);
Markus_Paar 0:48870d877970 455 }