DataLogger - Wireless Gas Meter Reading System Data Logger

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Harris Junaid / Mbed 2 deprecated DataLogger

Wireless Gas Meter Reading System Data Logger

USBHostLite/usbhost_ms.c@0:a67cda7c126f, 2012-04-17 (annotated)

Committer:: harrisjunaid
Date:: Tue Apr 17 15:54:02 2012 +0000
Revision:: 0:a67cda7c126f

Who changed what in which revision?

User	Revision	Line number	New contents of line
harrisjunaid	0:a67cda7c126f	1	/*
harrisjunaid	0:a67cda7c126f	2	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	3	* NXP USB Host Stack
harrisjunaid	0:a67cda7c126f	4	*
harrisjunaid	0:a67cda7c126f	5	* (c) Copyright 2008, NXP SemiConductors
harrisjunaid	0:a67cda7c126f	6	* (c) Copyright 2008, OnChip Technologies LLC
harrisjunaid	0:a67cda7c126f	7	* All Rights Reserved
harrisjunaid	0:a67cda7c126f	8	*
harrisjunaid	0:a67cda7c126f	9	* www.nxp.com
harrisjunaid	0:a67cda7c126f	10	* www.onchiptech.com
harrisjunaid	0:a67cda7c126f	11	*
harrisjunaid	0:a67cda7c126f	12	* File : usbhost_ms.c
harrisjunaid	0:a67cda7c126f	13	* Programmer(s) : Ravikanth.P
harrisjunaid	0:a67cda7c126f	14	* Version :
harrisjunaid	0:a67cda7c126f	15	*
harrisjunaid	0:a67cda7c126f	16	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	17	*/
harrisjunaid	0:a67cda7c126f	18
harrisjunaid	0:a67cda7c126f	19	/*
harrisjunaid	0:a67cda7c126f	20	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	21	* INCLUDE HEADER FILES
harrisjunaid	0:a67cda7c126f	22	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	23	*/
harrisjunaid	0:a67cda7c126f	24
harrisjunaid	0:a67cda7c126f	25	#include "usbhost_ms.h"
harrisjunaid	0:a67cda7c126f	26
harrisjunaid	0:a67cda7c126f	27	/*
harrisjunaid	0:a67cda7c126f	28	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	29	* GLOBAL VARIABLES
harrisjunaid	0:a67cda7c126f	30	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	31	*/
harrisjunaid	0:a67cda7c126f	32
harrisjunaid	0:a67cda7c126f	33	USB_INT32U MS_BlkSize;
harrisjunaid	0:a67cda7c126f	34
harrisjunaid	0:a67cda7c126f	35	/*
harrisjunaid	0:a67cda7c126f	36	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	37	* INITIALIZE MASS STORAGE INTERFACE
harrisjunaid	0:a67cda7c126f	38	*
harrisjunaid	0:a67cda7c126f	39	* Description: This function initializes the mass storage interface
harrisjunaid	0:a67cda7c126f	40	*
harrisjunaid	0:a67cda7c126f	41	* Arguments : None
harrisjunaid	0:a67cda7c126f	42	*
harrisjunaid	0:a67cda7c126f	43	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	44	* ERR_INVALID_BOOTSIG if Failed
harrisjunaid	0:a67cda7c126f	45	*
harrisjunaid	0:a67cda7c126f	46	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	47	*/
harrisjunaid	0:a67cda7c126f	48
harrisjunaid	0:a67cda7c126f	49	USB_INT32S MS_Init (USB_INT32U blkSize, USB_INT32U numBlks, USB_INT08U *inquiryResult)
harrisjunaid	0:a67cda7c126f	50	{
harrisjunaid	0:a67cda7c126f	51	USB_INT08U retry;
harrisjunaid	0:a67cda7c126f	52	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	53
harrisjunaid	0:a67cda7c126f	54	MS_GetMaxLUN(); /* Get maximum logical unit number */
harrisjunaid	0:a67cda7c126f	55	retry = 80;
harrisjunaid	0:a67cda7c126f	56	while(retry) {
harrisjunaid	0:a67cda7c126f	57	rc = MS_TestUnitReady(); /* Test whether the unit is ready */
harrisjunaid	0:a67cda7c126f	58	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	59	break;
harrisjunaid	0:a67cda7c126f	60	}
harrisjunaid	0:a67cda7c126f	61	MS_GetSenseInfo(); /* Get sense information */
harrisjunaid	0:a67cda7c126f	62	retry--;
harrisjunaid	0:a67cda7c126f	63	}
harrisjunaid	0:a67cda7c126f	64	if (rc != OK) {
harrisjunaid	0:a67cda7c126f	65	PRINT_Err(rc);
harrisjunaid	0:a67cda7c126f	66	return (rc);
harrisjunaid	0:a67cda7c126f	67	}
harrisjunaid	0:a67cda7c126f	68	rc = MS_ReadCapacity(numBlks, blkSize); /* Read capacity of the disk */
harrisjunaid	0:a67cda7c126f	69	MS_BlkSize = *blkSize; // Set global
harrisjunaid	0:a67cda7c126f	70	rc = MS_Inquire (inquiryResult);
harrisjunaid	0:a67cda7c126f	71	return (rc);
harrisjunaid	0:a67cda7c126f	72	}
harrisjunaid	0:a67cda7c126f	73	/*
harrisjunaid	0:a67cda7c126f	74	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	75	* PARSE THE CONFIGURATION
harrisjunaid	0:a67cda7c126f	76	*
harrisjunaid	0:a67cda7c126f	77	* Description: This function is used to parse the configuration
harrisjunaid	0:a67cda7c126f	78	*
harrisjunaid	0:a67cda7c126f	79	* Arguments : None
harrisjunaid	0:a67cda7c126f	80	*
harrisjunaid	0:a67cda7c126f	81	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	82	* ERR_INVALID_BOOTSIG if Failed
harrisjunaid	0:a67cda7c126f	83	*
harrisjunaid	0:a67cda7c126f	84	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	85	*/
harrisjunaid	0:a67cda7c126f	86
harrisjunaid	0:a67cda7c126f	87	USB_INT32S MS_ParseConfiguration (void)
harrisjunaid	0:a67cda7c126f	88	{
harrisjunaid	0:a67cda7c126f	89	volatile USB_INT08U *desc_ptr;
harrisjunaid	0:a67cda7c126f	90	USB_INT08U ms_int_found;
harrisjunaid	0:a67cda7c126f	91
harrisjunaid	0:a67cda7c126f	92
harrisjunaid	0:a67cda7c126f	93	desc_ptr = TDBuffer;
harrisjunaid	0:a67cda7c126f	94	ms_int_found = 0;
harrisjunaid	0:a67cda7c126f	95
harrisjunaid	0:a67cda7c126f	96	if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION) {
harrisjunaid	0:a67cda7c126f	97	return (ERR_BAD_CONFIGURATION);
harrisjunaid	0:a67cda7c126f	98	}
harrisjunaid	0:a67cda7c126f	99	desc_ptr += desc_ptr[0];
harrisjunaid	0:a67cda7c126f	100
harrisjunaid	0:a67cda7c126f	101	while (desc_ptr != TDBuffer + ReadLE16U(&TDBuffer[2])) {
harrisjunaid	0:a67cda7c126f	102
harrisjunaid	0:a67cda7c126f	103	switch (desc_ptr[1]) {
harrisjunaid	0:a67cda7c126f	104
harrisjunaid	0:a67cda7c126f	105	case USB_DESCRIPTOR_TYPE_INTERFACE: /* If it is an interface descriptor */
harrisjunaid	0:a67cda7c126f	106	if (desc_ptr[5] == MASS_STORAGE_CLASS && /* check if the class is mass storage */
harrisjunaid	0:a67cda7c126f	107	desc_ptr[6] == MASS_STORAGE_SUBCLASS_SCSI && /* check if the subclass is SCSI */
harrisjunaid	0:a67cda7c126f	108	desc_ptr[7] == MASS_STORAGE_PROTOCOL_BO) { /* check if the protocol is Bulk only */
harrisjunaid	0:a67cda7c126f	109	ms_int_found = 1;
harrisjunaid	0:a67cda7c126f	110	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
harrisjunaid	0:a67cda7c126f	111	}
harrisjunaid	0:a67cda7c126f	112	break;
harrisjunaid	0:a67cda7c126f	113
harrisjunaid	0:a67cda7c126f	114	case USB_DESCRIPTOR_TYPE_ENDPOINT: /* If it is an endpoint descriptor */
harrisjunaid	0:a67cda7c126f	115	if ((desc_ptr[3] & 0x03) == 0x02) { /* If it is Bulk endpoint */
harrisjunaid	0:a67cda7c126f	116	if (desc_ptr[2] & 0x80) { /* If it is In endpoint */
harrisjunaid	0:a67cda7c126f	117	EDBulkIn->Control = 1 \| /* USB address */
harrisjunaid	0:a67cda7c126f	118	((desc_ptr[2] & 0x7F) << 7) \| /* Endpoint address */
harrisjunaid	0:a67cda7c126f	119	(2 << 11) \| /* direction */
harrisjunaid	0:a67cda7c126f	120	(ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
harrisjunaid	0:a67cda7c126f	121	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
harrisjunaid	0:a67cda7c126f	122	} else { /* If it is Out endpoint */
harrisjunaid	0:a67cda7c126f	123	EDBulkOut->Control = 1 \| /* USB address */
harrisjunaid	0:a67cda7c126f	124	((desc_ptr[2] & 0x7F) << 7) \| /* Endpoint address */
harrisjunaid	0:a67cda7c126f	125	(1 << 11) \| /* direction */
harrisjunaid	0:a67cda7c126f	126	(ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
harrisjunaid	0:a67cda7c126f	127	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
harrisjunaid	0:a67cda7c126f	128	}
harrisjunaid	0:a67cda7c126f	129	} else { /* If it is not bulk end point */
harrisjunaid	0:a67cda7c126f	130	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
harrisjunaid	0:a67cda7c126f	131	}
harrisjunaid	0:a67cda7c126f	132	break;
harrisjunaid	0:a67cda7c126f	133
harrisjunaid	0:a67cda7c126f	134	default: /* If the descriptor is neither interface nor endpoint */
harrisjunaid	0:a67cda7c126f	135	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
harrisjunaid	0:a67cda7c126f	136	break;
harrisjunaid	0:a67cda7c126f	137	}
harrisjunaid	0:a67cda7c126f	138	}
harrisjunaid	0:a67cda7c126f	139	if (ms_int_found) {
harrisjunaid	0:a67cda7c126f	140	//PRINT_Log("Mass Storage device connected\n");
harrisjunaid	0:a67cda7c126f	141	return (OK);
harrisjunaid	0:a67cda7c126f	142	} else {
harrisjunaid	0:a67cda7c126f	143	//PRINT_Log("Not a Mass Storage device\n");
harrisjunaid	0:a67cda7c126f	144	return (ERR_NO_MS_INTERFACE);
harrisjunaid	0:a67cda7c126f	145	}
harrisjunaid	0:a67cda7c126f	146	}
harrisjunaid	0:a67cda7c126f	147
harrisjunaid	0:a67cda7c126f	148	/*
harrisjunaid	0:a67cda7c126f	149	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	150	* GET MAXIMUM LOGICAL UNIT
harrisjunaid	0:a67cda7c126f	151	*
harrisjunaid	0:a67cda7c126f	152	* Description: This function returns the maximum logical unit from the device
harrisjunaid	0:a67cda7c126f	153	*
harrisjunaid	0:a67cda7c126f	154	* Arguments : None
harrisjunaid	0:a67cda7c126f	155	*
harrisjunaid	0:a67cda7c126f	156	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	157	* ERR_INVALID_BOOTSIG if Failed
harrisjunaid	0:a67cda7c126f	158	*
harrisjunaid	0:a67cda7c126f	159	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	160	*/
harrisjunaid	0:a67cda7c126f	161
harrisjunaid	0:a67cda7c126f	162	USB_INT32S MS_GetMaxLUN (void)
harrisjunaid	0:a67cda7c126f	163	{
harrisjunaid	0:a67cda7c126f	164	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	165
harrisjunaid	0:a67cda7c126f	166
harrisjunaid	0:a67cda7c126f	167	rc = Host_CtrlRecv(USB_DEVICE_TO_HOST \| USB_REQUEST_TYPE_CLASS \| USB_RECIPIENT_INTERFACE,
harrisjunaid	0:a67cda7c126f	168	MS_GET_MAX_LUN_REQ,
harrisjunaid	0:a67cda7c126f	169	0,
harrisjunaid	0:a67cda7c126f	170	0,
harrisjunaid	0:a67cda7c126f	171	1,
harrisjunaid	0:a67cda7c126f	172	TDBuffer);
harrisjunaid	0:a67cda7c126f	173	return (rc);
harrisjunaid	0:a67cda7c126f	174	}
harrisjunaid	0:a67cda7c126f	175
harrisjunaid	0:a67cda7c126f	176	/*
harrisjunaid	0:a67cda7c126f	177	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	178	* GET SENSE INFORMATION
harrisjunaid	0:a67cda7c126f	179	*
harrisjunaid	0:a67cda7c126f	180	* Description: This function is used to get sense information from the device
harrisjunaid	0:a67cda7c126f	181	*
harrisjunaid	0:a67cda7c126f	182	* Arguments : None
harrisjunaid	0:a67cda7c126f	183	*
harrisjunaid	0:a67cda7c126f	184	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	185	* ERROR if Failed
harrisjunaid	0:a67cda7c126f	186	*
harrisjunaid	0:a67cda7c126f	187	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	188	*/
harrisjunaid	0:a67cda7c126f	189
harrisjunaid	0:a67cda7c126f	190	USB_INT32S MS_GetSenseInfo (void)
harrisjunaid	0:a67cda7c126f	191	{
harrisjunaid	0:a67cda7c126f	192	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	193
harrisjunaid	0:a67cda7c126f	194
harrisjunaid	0:a67cda7c126f	195	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_REQUEST_SENSE, 6);
harrisjunaid	0:a67cda7c126f	196	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
harrisjunaid	0:a67cda7c126f	197	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	198	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 18);
harrisjunaid	0:a67cda7c126f	199	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	200	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
harrisjunaid	0:a67cda7c126f	201	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	202	if (TDBuffer[12] != 0) {
harrisjunaid	0:a67cda7c126f	203	rc = ERR_MS_CMD_FAILED;
harrisjunaid	0:a67cda7c126f	204	}
harrisjunaid	0:a67cda7c126f	205	}
harrisjunaid	0:a67cda7c126f	206	}
harrisjunaid	0:a67cda7c126f	207	}
harrisjunaid	0:a67cda7c126f	208	return (rc);
harrisjunaid	0:a67cda7c126f	209	}
harrisjunaid	0:a67cda7c126f	210
harrisjunaid	0:a67cda7c126f	211	/*
harrisjunaid	0:a67cda7c126f	212	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	213	* TEST UNIT READY
harrisjunaid	0:a67cda7c126f	214	*
harrisjunaid	0:a67cda7c126f	215	* Description: This function is used to test whether the unit is ready or not
harrisjunaid	0:a67cda7c126f	216	*
harrisjunaid	0:a67cda7c126f	217	* Arguments : None
harrisjunaid	0:a67cda7c126f	218	*
harrisjunaid	0:a67cda7c126f	219	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	220	* ERROR if Failed
harrisjunaid	0:a67cda7c126f	221	*
harrisjunaid	0:a67cda7c126f	222	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	223	*/
harrisjunaid	0:a67cda7c126f	224
harrisjunaid	0:a67cda7c126f	225	USB_INT32S MS_TestUnitReady (void)
harrisjunaid	0:a67cda7c126f	226	{
harrisjunaid	0:a67cda7c126f	227	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	228
harrisjunaid	0:a67cda7c126f	229
harrisjunaid	0:a67cda7c126f	230	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_NONE, SCSI_CMD_TEST_UNIT_READY, 6);
harrisjunaid	0:a67cda7c126f	231	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
harrisjunaid	0:a67cda7c126f	232	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	233	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
harrisjunaid	0:a67cda7c126f	234	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	235	if (TDBuffer[12] != 0) {
harrisjunaid	0:a67cda7c126f	236	rc = ERR_MS_CMD_FAILED;
harrisjunaid	0:a67cda7c126f	237	}
harrisjunaid	0:a67cda7c126f	238	}
harrisjunaid	0:a67cda7c126f	239	}
harrisjunaid	0:a67cda7c126f	240	return (rc);
harrisjunaid	0:a67cda7c126f	241	}
harrisjunaid	0:a67cda7c126f	242
harrisjunaid	0:a67cda7c126f	243	/*
harrisjunaid	0:a67cda7c126f	244	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	245	* READ CAPACITY
harrisjunaid	0:a67cda7c126f	246	*
harrisjunaid	0:a67cda7c126f	247	* Description: This function is used to read the capacity of the mass storage device
harrisjunaid	0:a67cda7c126f	248	*
harrisjunaid	0:a67cda7c126f	249	* Arguments : None
harrisjunaid	0:a67cda7c126f	250	*
harrisjunaid	0:a67cda7c126f	251	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	252	* ERROR if Failed
harrisjunaid	0:a67cda7c126f	253	*
harrisjunaid	0:a67cda7c126f	254	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	255	*/
harrisjunaid	0:a67cda7c126f	256
harrisjunaid	0:a67cda7c126f	257	USB_INT32S MS_ReadCapacity (USB_INT32U numBlks, USB_INT32U blkSize)
harrisjunaid	0:a67cda7c126f	258	{
harrisjunaid	0:a67cda7c126f	259	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	260
harrisjunaid	0:a67cda7c126f	261
harrisjunaid	0:a67cda7c126f	262	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_READ_CAPACITY, 10);
harrisjunaid	0:a67cda7c126f	263	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
harrisjunaid	0:a67cda7c126f	264	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	265	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 8);
harrisjunaid	0:a67cda7c126f	266	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	267	if (numBlks)
harrisjunaid	0:a67cda7c126f	268	*numBlks = ReadBE32U(&TDBuffer[0]);
harrisjunaid	0:a67cda7c126f	269	if (blkSize)
harrisjunaid	0:a67cda7c126f	270	*blkSize = ReadBE32U(&TDBuffer[4]);
harrisjunaid	0:a67cda7c126f	271	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
harrisjunaid	0:a67cda7c126f	272	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	273	if (TDBuffer[12] != 0) {
harrisjunaid	0:a67cda7c126f	274	rc = ERR_MS_CMD_FAILED;
harrisjunaid	0:a67cda7c126f	275	}
harrisjunaid	0:a67cda7c126f	276	}
harrisjunaid	0:a67cda7c126f	277	}
harrisjunaid	0:a67cda7c126f	278	}
harrisjunaid	0:a67cda7c126f	279	return (rc);
harrisjunaid	0:a67cda7c126f	280	}
harrisjunaid	0:a67cda7c126f	281
harrisjunaid	0:a67cda7c126f	282
harrisjunaid	0:a67cda7c126f	283
harrisjunaid	0:a67cda7c126f	284	USB_INT32S MS_Inquire (USB_INT08U *response)
harrisjunaid	0:a67cda7c126f	285	{
harrisjunaid	0:a67cda7c126f	286	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	287	USB_INT32U i;
harrisjunaid	0:a67cda7c126f	288
harrisjunaid	0:a67cda7c126f	289	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_INQUIRY, 6);
harrisjunaid	0:a67cda7c126f	290	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
harrisjunaid	0:a67cda7c126f	291	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	292	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, INQUIRY_LENGTH);
harrisjunaid	0:a67cda7c126f	293	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	294	if (response) {
harrisjunaid	0:a67cda7c126f	295	for ( i = 0; i < INQUIRY_LENGTH; i++ )
harrisjunaid	0:a67cda7c126f	296	response++ = TDBuffer++;
harrisjunaid	0:a67cda7c126f	297	#if 0
harrisjunaid	0:a67cda7c126f	298	MemCpy (response, TDBuffer, INQUIRY_LENGTH);
harrisjunaid	0:a67cda7c126f	299	StrNullTrailingSpace (response->vendorID, SCSI_INQUIRY_VENDORCHARS);
harrisjunaid	0:a67cda7c126f	300	StrNullTrailingSpace (response->productID, SCSI_INQUIRY_PRODUCTCHARS);
harrisjunaid	0:a67cda7c126f	301	StrNullTrailingSpace (response->productRev, SCSI_INQUIRY_REVCHARS);
harrisjunaid	0:a67cda7c126f	302	#endif
harrisjunaid	0:a67cda7c126f	303	}
harrisjunaid	0:a67cda7c126f	304	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
harrisjunaid	0:a67cda7c126f	305	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	306	if (TDBuffer[12] != 0) { // bCSWStatus byte
harrisjunaid	0:a67cda7c126f	307	rc = ERR_MS_CMD_FAILED;
harrisjunaid	0:a67cda7c126f	308	}
harrisjunaid	0:a67cda7c126f	309	}
harrisjunaid	0:a67cda7c126f	310	}
harrisjunaid	0:a67cda7c126f	311	}
harrisjunaid	0:a67cda7c126f	312	return (rc);
harrisjunaid	0:a67cda7c126f	313	}
harrisjunaid	0:a67cda7c126f	314
harrisjunaid	0:a67cda7c126f	315	/*
harrisjunaid	0:a67cda7c126f	316	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	317	* RECEIVE THE BULK DATA
harrisjunaid	0:a67cda7c126f	318	*
harrisjunaid	0:a67cda7c126f	319	* Description: This function is used to receive the bulk data
harrisjunaid	0:a67cda7c126f	320	*
harrisjunaid	0:a67cda7c126f	321	* Arguments : None
harrisjunaid	0:a67cda7c126f	322	*
harrisjunaid	0:a67cda7c126f	323	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	324	* ERR_INVALID_BOOTSIG if Failed
harrisjunaid	0:a67cda7c126f	325	*
harrisjunaid	0:a67cda7c126f	326	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	327	*/
harrisjunaid	0:a67cda7c126f	328
harrisjunaid	0:a67cda7c126f	329	USB_INT32S MS_BulkRecv ( USB_INT32U block_number,
harrisjunaid	0:a67cda7c126f	330	USB_INT16U num_blocks,
harrisjunaid	0:a67cda7c126f	331	volatile USB_INT08U *user_buffer)
harrisjunaid	0:a67cda7c126f	332	{
harrisjunaid	0:a67cda7c126f	333	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	334	int i;
harrisjunaid	0:a67cda7c126f	335	volatile USB_INT08U *c = user_buffer;
harrisjunaid	0:a67cda7c126f	336	for (i=0;i<MS_BlkSize*num_blocks;i++)
harrisjunaid	0:a67cda7c126f	337	*c++ = 0;
harrisjunaid	0:a67cda7c126f	338
harrisjunaid	0:a67cda7c126f	339
harrisjunaid	0:a67cda7c126f	340	Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_IN, SCSI_CMD_READ_10, 10);
harrisjunaid	0:a67cda7c126f	341
harrisjunaid	0:a67cda7c126f	342	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
harrisjunaid	0:a67cda7c126f	343	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	344	rc = Host_ProcessTD(EDBulkIn, TD_IN, user_buffer, MS_BlkSize * num_blocks);
harrisjunaid	0:a67cda7c126f	345	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	346	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
harrisjunaid	0:a67cda7c126f	347	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	348	if (TDBuffer[12] != 0) {
harrisjunaid	0:a67cda7c126f	349	rc = ERR_MS_CMD_FAILED;
harrisjunaid	0:a67cda7c126f	350	}
harrisjunaid	0:a67cda7c126f	351	}
harrisjunaid	0:a67cda7c126f	352	}
harrisjunaid	0:a67cda7c126f	353	}
harrisjunaid	0:a67cda7c126f	354	return (rc);
harrisjunaid	0:a67cda7c126f	355	}
harrisjunaid	0:a67cda7c126f	356
harrisjunaid	0:a67cda7c126f	357	/*
harrisjunaid	0:a67cda7c126f	358	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	359	* SEND BULK DATA
harrisjunaid	0:a67cda7c126f	360	*
harrisjunaid	0:a67cda7c126f	361	* Description: This function is used to send the bulk data
harrisjunaid	0:a67cda7c126f	362	*
harrisjunaid	0:a67cda7c126f	363	* Arguments : None
harrisjunaid	0:a67cda7c126f	364	*
harrisjunaid	0:a67cda7c126f	365	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	366	* ERR_INVALID_BOOTSIG if Failed
harrisjunaid	0:a67cda7c126f	367	*
harrisjunaid	0:a67cda7c126f	368	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	369	*/
harrisjunaid	0:a67cda7c126f	370
harrisjunaid	0:a67cda7c126f	371	USB_INT32S MS_BulkSend ( USB_INT32U block_number,
harrisjunaid	0:a67cda7c126f	372	USB_INT16U num_blocks,
harrisjunaid	0:a67cda7c126f	373	volatile USB_INT08U *user_buffer)
harrisjunaid	0:a67cda7c126f	374	{
harrisjunaid	0:a67cda7c126f	375	USB_INT32S rc;
harrisjunaid	0:a67cda7c126f	376
harrisjunaid	0:a67cda7c126f	377
harrisjunaid	0:a67cda7c126f	378	Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_OUT, SCSI_CMD_WRITE_10, 10);
harrisjunaid	0:a67cda7c126f	379
harrisjunaid	0:a67cda7c126f	380	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
harrisjunaid	0:a67cda7c126f	381	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	382	rc = Host_ProcessTD(EDBulkOut, TD_OUT, user_buffer, MS_BlkSize * num_blocks);
harrisjunaid	0:a67cda7c126f	383	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	384	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
harrisjunaid	0:a67cda7c126f	385	if (rc == OK) {
harrisjunaid	0:a67cda7c126f	386	if (TDBuffer[12] != 0) {
harrisjunaid	0:a67cda7c126f	387	rc = ERR_MS_CMD_FAILED;
harrisjunaid	0:a67cda7c126f	388	}
harrisjunaid	0:a67cda7c126f	389	}
harrisjunaid	0:a67cda7c126f	390	}
harrisjunaid	0:a67cda7c126f	391	}
harrisjunaid	0:a67cda7c126f	392	return (rc);
harrisjunaid	0:a67cda7c126f	393	}
harrisjunaid	0:a67cda7c126f	394
harrisjunaid	0:a67cda7c126f	395	/*
harrisjunaid	0:a67cda7c126f	396	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	397	* FILL MASS STORAGE COMMAND
harrisjunaid	0:a67cda7c126f	398	*
harrisjunaid	0:a67cda7c126f	399	* Description: This function is used to fill the mass storage command
harrisjunaid	0:a67cda7c126f	400	*
harrisjunaid	0:a67cda7c126f	401	* Arguments : None
harrisjunaid	0:a67cda7c126f	402	*
harrisjunaid	0:a67cda7c126f	403	* Returns : OK if Success
harrisjunaid	0:a67cda7c126f	404	* ERR_INVALID_BOOTSIG if Failed
harrisjunaid	0:a67cda7c126f	405	*
harrisjunaid	0:a67cda7c126f	406	**************************************************************************************************************
harrisjunaid	0:a67cda7c126f	407	*/
harrisjunaid	0:a67cda7c126f	408
harrisjunaid	0:a67cda7c126f	409	void Fill_MSCommand (USB_INT32U block_number,
harrisjunaid	0:a67cda7c126f	410	USB_INT32U block_size,
harrisjunaid	0:a67cda7c126f	411	USB_INT16U num_blocks,
harrisjunaid	0:a67cda7c126f	412	MS_DATA_DIR direction,
harrisjunaid	0:a67cda7c126f	413	USB_INT08U scsi_cmd,
harrisjunaid	0:a67cda7c126f	414	USB_INT08U scsi_cmd_len)
harrisjunaid	0:a67cda7c126f	415	{
harrisjunaid	0:a67cda7c126f	416	USB_INT32U data_len;
harrisjunaid	0:a67cda7c126f	417	static USB_INT32U tag_cnt = 0;
harrisjunaid	0:a67cda7c126f	418	USB_INT32U cnt;
harrisjunaid	0:a67cda7c126f	419
harrisjunaid	0:a67cda7c126f	420
harrisjunaid	0:a67cda7c126f	421	for (cnt = 0; cnt < CBW_SIZE; cnt++) {
harrisjunaid	0:a67cda7c126f	422	TDBuffer[cnt] = 0;
harrisjunaid	0:a67cda7c126f	423	}
harrisjunaid	0:a67cda7c126f	424	switch(scsi_cmd) {
harrisjunaid	0:a67cda7c126f	425
harrisjunaid	0:a67cda7c126f	426	case SCSI_CMD_TEST_UNIT_READY:
harrisjunaid	0:a67cda7c126f	427	data_len = 0;
harrisjunaid	0:a67cda7c126f	428	break;
harrisjunaid	0:a67cda7c126f	429	case SCSI_CMD_READ_CAPACITY:
harrisjunaid	0:a67cda7c126f	430	data_len = 8;
harrisjunaid	0:a67cda7c126f	431	break;
harrisjunaid	0:a67cda7c126f	432	case SCSI_CMD_REQUEST_SENSE:
harrisjunaid	0:a67cda7c126f	433	data_len = 18;
harrisjunaid	0:a67cda7c126f	434	break;
harrisjunaid	0:a67cda7c126f	435	case SCSI_CMD_INQUIRY:
harrisjunaid	0:a67cda7c126f	436	data_len = 36;
harrisjunaid	0:a67cda7c126f	437	break;
harrisjunaid	0:a67cda7c126f	438	default:
harrisjunaid	0:a67cda7c126f	439	data_len = block_size * num_blocks;
harrisjunaid	0:a67cda7c126f	440	break;
harrisjunaid	0:a67cda7c126f	441	}
harrisjunaid	0:a67cda7c126f	442	WriteLE32U(TDBuffer, CBW_SIGNATURE);
harrisjunaid	0:a67cda7c126f	443	WriteLE32U(&TDBuffer[4], tag_cnt);
harrisjunaid	0:a67cda7c126f	444	WriteLE32U(&TDBuffer[8], data_len);
harrisjunaid	0:a67cda7c126f	445	TDBuffer[12] = (direction == MS_DATA_DIR_NONE) ? 0 : direction;
harrisjunaid	0:a67cda7c126f	446	TDBuffer[14] = scsi_cmd_len; /* Length of the CBW */
harrisjunaid	0:a67cda7c126f	447	TDBuffer[15] = scsi_cmd;
harrisjunaid	0:a67cda7c126f	448	if ((scsi_cmd == SCSI_CMD_REQUEST_SENSE)
harrisjunaid	0:a67cda7c126f	449	\|\| (scsi_cmd == SCSI_CMD_INQUIRY)) {
harrisjunaid	0:a67cda7c126f	450	TDBuffer[19] = (USB_INT08U)data_len;
harrisjunaid	0:a67cda7c126f	451	} else {
harrisjunaid	0:a67cda7c126f	452	WriteBE32U(&TDBuffer[17], block_number);
harrisjunaid	0:a67cda7c126f	453	}
harrisjunaid	0:a67cda7c126f	454	WriteBE16U(&TDBuffer[22], num_blocks);
harrisjunaid	0:a67cda7c126f	455	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	17 Apr 2012
Imports:	28
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

USBHostLite/usbhost_ms.c@0:a67cda7c126f, 2012-04-17 (annotated)

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