DataLogIMU-BARO - interface to chr_6dm and Baro bmp085

Users » belloula » Code » DataLogIMU-BARO

Abdelmalek BELLOULA / Mbed 2 deprecated DataLogIMU-BARO

interface to chr_6dm and Baro bmp085

USBHostLite/usbhost_ms.c@0:d07617f8ede9, 2011-10-17 (annotated)

Committer:: belloula
Date:: Mon Oct 17 19:43:06 2011 +0000
Revision:: 0:d07617f8ede9

Who changed what in which revision?

User	Revision	Line number	New contents of line
belloula	0:d07617f8ede9	1	/*
belloula	0:d07617f8ede9	2	**************************************************************************************************************
belloula	0:d07617f8ede9	3	* NXP USB Host Stack
belloula	0:d07617f8ede9	4	*
belloula	0:d07617f8ede9	5	* (c) Copyright 2008, NXP SemiConductors
belloula	0:d07617f8ede9	6	* (c) Copyright 2008, OnChip Technologies LLC
belloula	0:d07617f8ede9	7	* All Rights Reserved
belloula	0:d07617f8ede9	8	*
belloula	0:d07617f8ede9	9	* www.nxp.com
belloula	0:d07617f8ede9	10	* www.onchiptech.com
belloula	0:d07617f8ede9	11	*
belloula	0:d07617f8ede9	12	* File : usbhost_ms.c
belloula	0:d07617f8ede9	13	* Programmer(s) : Ravikanth.P
belloula	0:d07617f8ede9	14	* Version :
belloula	0:d07617f8ede9	15	*
belloula	0:d07617f8ede9	16	**************************************************************************************************************
belloula	0:d07617f8ede9	17	*/
belloula	0:d07617f8ede9	18
belloula	0:d07617f8ede9	19	/*
belloula	0:d07617f8ede9	20	**************************************************************************************************************
belloula	0:d07617f8ede9	21	* INCLUDE HEADER FILES
belloula	0:d07617f8ede9	22	**************************************************************************************************************
belloula	0:d07617f8ede9	23	*/
belloula	0:d07617f8ede9	24
belloula	0:d07617f8ede9	25	#include "usbhost_ms.h"
belloula	0:d07617f8ede9	26
belloula	0:d07617f8ede9	27	/*
belloula	0:d07617f8ede9	28	**************************************************************************************************************
belloula	0:d07617f8ede9	29	* GLOBAL VARIABLES
belloula	0:d07617f8ede9	30	**************************************************************************************************************
belloula	0:d07617f8ede9	31	*/
belloula	0:d07617f8ede9	32
belloula	0:d07617f8ede9	33	USB_INT32U MS_BlkSize;
belloula	0:d07617f8ede9	34
belloula	0:d07617f8ede9	35	/*
belloula	0:d07617f8ede9	36	**************************************************************************************************************
belloula	0:d07617f8ede9	37	* INITIALIZE MASS STORAGE INTERFACE
belloula	0:d07617f8ede9	38	*
belloula	0:d07617f8ede9	39	* Description: This function initializes the mass storage interface
belloula	0:d07617f8ede9	40	*
belloula	0:d07617f8ede9	41	* Arguments : None
belloula	0:d07617f8ede9	42	*
belloula	0:d07617f8ede9	43	* Returns : OK if Success
belloula	0:d07617f8ede9	44	* ERR_INVALID_BOOTSIG if Failed
belloula	0:d07617f8ede9	45	*
belloula	0:d07617f8ede9	46	**************************************************************************************************************
belloula	0:d07617f8ede9	47	*/
belloula	0:d07617f8ede9	48
belloula	0:d07617f8ede9	49	USB_INT32S MS_Init (USB_INT32U blkSize, USB_INT32U numBlks, USB_INT08U *inquiryResult)
belloula	0:d07617f8ede9	50	{
belloula	0:d07617f8ede9	51	USB_INT08U retry;
belloula	0:d07617f8ede9	52	USB_INT32S rc;
belloula	0:d07617f8ede9	53
belloula	0:d07617f8ede9	54	MS_GetMaxLUN(); /* Get maximum logical unit number */
belloula	0:d07617f8ede9	55	retry = 80;
belloula	0:d07617f8ede9	56	while(retry) {
belloula	0:d07617f8ede9	57	rc = MS_TestUnitReady(); /* Test whether the unit is ready */
belloula	0:d07617f8ede9	58	if (rc == OK) {
belloula	0:d07617f8ede9	59	break;
belloula	0:d07617f8ede9	60	}
belloula	0:d07617f8ede9	61	MS_GetSenseInfo(); /* Get sense information */
belloula	0:d07617f8ede9	62	retry--;
belloula	0:d07617f8ede9	63	}
belloula	0:d07617f8ede9	64	if (rc != OK) {
belloula	0:d07617f8ede9	65	PRINT_Err(rc);
belloula	0:d07617f8ede9	66	return (rc);
belloula	0:d07617f8ede9	67	}
belloula	0:d07617f8ede9	68	rc = MS_ReadCapacity(numBlks, blkSize); /* Read capacity of the disk */
belloula	0:d07617f8ede9	69	MS_BlkSize = *blkSize; // Set global
belloula	0:d07617f8ede9	70	rc = MS_Inquire (inquiryResult);
belloula	0:d07617f8ede9	71	return (rc);
belloula	0:d07617f8ede9	72	}
belloula	0:d07617f8ede9	73	/*
belloula	0:d07617f8ede9	74	**************************************************************************************************************
belloula	0:d07617f8ede9	75	* PARSE THE CONFIGURATION
belloula	0:d07617f8ede9	76	*
belloula	0:d07617f8ede9	77	* Description: This function is used to parse the configuration
belloula	0:d07617f8ede9	78	*
belloula	0:d07617f8ede9	79	* Arguments : None
belloula	0:d07617f8ede9	80	*
belloula	0:d07617f8ede9	81	* Returns : OK if Success
belloula	0:d07617f8ede9	82	* ERR_INVALID_BOOTSIG if Failed
belloula	0:d07617f8ede9	83	*
belloula	0:d07617f8ede9	84	**************************************************************************************************************
belloula	0:d07617f8ede9	85	*/
belloula	0:d07617f8ede9	86
belloula	0:d07617f8ede9	87	USB_INT32S MS_ParseConfiguration (void)
belloula	0:d07617f8ede9	88	{
belloula	0:d07617f8ede9	89	volatile USB_INT08U *desc_ptr;
belloula	0:d07617f8ede9	90	USB_INT08U ms_int_found;
belloula	0:d07617f8ede9	91
belloula	0:d07617f8ede9	92
belloula	0:d07617f8ede9	93	desc_ptr = TDBuffer;
belloula	0:d07617f8ede9	94	ms_int_found = 0;
belloula	0:d07617f8ede9	95
belloula	0:d07617f8ede9	96	if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION) {
belloula	0:d07617f8ede9	97	return (ERR_BAD_CONFIGURATION);
belloula	0:d07617f8ede9	98	}
belloula	0:d07617f8ede9	99	desc_ptr += desc_ptr[0];
belloula	0:d07617f8ede9	100
belloula	0:d07617f8ede9	101	while (desc_ptr != TDBuffer + ReadLE16U(&TDBuffer[2])) {
belloula	0:d07617f8ede9	102
belloula	0:d07617f8ede9	103	switch (desc_ptr[1]) {
belloula	0:d07617f8ede9	104
belloula	0:d07617f8ede9	105	case USB_DESCRIPTOR_TYPE_INTERFACE: /* If it is an interface descriptor */
belloula	0:d07617f8ede9	106	if (desc_ptr[5] == MASS_STORAGE_CLASS && /* check if the class is mass storage */
belloula	0:d07617f8ede9	107	desc_ptr[6] == MASS_STORAGE_SUBCLASS_SCSI && /* check if the subclass is SCSI */
belloula	0:d07617f8ede9	108	desc_ptr[7] == MASS_STORAGE_PROTOCOL_BO) { /* check if the protocol is Bulk only */
belloula	0:d07617f8ede9	109	ms_int_found = 1;
belloula	0:d07617f8ede9	110	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
belloula	0:d07617f8ede9	111	}
belloula	0:d07617f8ede9	112	break;
belloula	0:d07617f8ede9	113
belloula	0:d07617f8ede9	114	case USB_DESCRIPTOR_TYPE_ENDPOINT: /* If it is an endpoint descriptor */
belloula	0:d07617f8ede9	115	if ((desc_ptr[3] & 0x03) == 0x02) { /* If it is Bulk endpoint */
belloula	0:d07617f8ede9	116	if (desc_ptr[2] & 0x80) { /* If it is In endpoint */
belloula	0:d07617f8ede9	117	EDBulkIn->Control = 1 \| /* USB address */
belloula	0:d07617f8ede9	118	((desc_ptr[2] & 0x7F) << 7) \| /* Endpoint address */
belloula	0:d07617f8ede9	119	(2 << 11) \| /* direction */
belloula	0:d07617f8ede9	120	(ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
belloula	0:d07617f8ede9	121	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
belloula	0:d07617f8ede9	122	} else { /* If it is Out endpoint */
belloula	0:d07617f8ede9	123	EDBulkOut->Control = 1 \| /* USB address */
belloula	0:d07617f8ede9	124	((desc_ptr[2] & 0x7F) << 7) \| /* Endpoint address */
belloula	0:d07617f8ede9	125	(1 << 11) \| /* direction */
belloula	0:d07617f8ede9	126	(ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */
belloula	0:d07617f8ede9	127	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
belloula	0:d07617f8ede9	128	}
belloula	0:d07617f8ede9	129	} else { /* If it is not bulk end point */
belloula	0:d07617f8ede9	130	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
belloula	0:d07617f8ede9	131	}
belloula	0:d07617f8ede9	132	break;
belloula	0:d07617f8ede9	133
belloula	0:d07617f8ede9	134	default: /* If the descriptor is neither interface nor endpoint */
belloula	0:d07617f8ede9	135	desc_ptr += desc_ptr[0]; /* Move to next descriptor start */
belloula	0:d07617f8ede9	136	break;
belloula	0:d07617f8ede9	137	}
belloula	0:d07617f8ede9	138	}
belloula	0:d07617f8ede9	139	if (ms_int_found) {
belloula	0:d07617f8ede9	140	PRINT_Log("Mass Storage device connected\n");
belloula	0:d07617f8ede9	141	return (OK);
belloula	0:d07617f8ede9	142	} else {
belloula	0:d07617f8ede9	143	PRINT_Log("Not a Mass Storage device\n");
belloula	0:d07617f8ede9	144	return (ERR_NO_MS_INTERFACE);
belloula	0:d07617f8ede9	145	}
belloula	0:d07617f8ede9	146	}
belloula	0:d07617f8ede9	147
belloula	0:d07617f8ede9	148	/*
belloula	0:d07617f8ede9	149	**************************************************************************************************************
belloula	0:d07617f8ede9	150	* GET MAXIMUM LOGICAL UNIT
belloula	0:d07617f8ede9	151	*
belloula	0:d07617f8ede9	152	* Description: This function returns the maximum logical unit from the device
belloula	0:d07617f8ede9	153	*
belloula	0:d07617f8ede9	154	* Arguments : None
belloula	0:d07617f8ede9	155	*
belloula	0:d07617f8ede9	156	* Returns : OK if Success
belloula	0:d07617f8ede9	157	* ERR_INVALID_BOOTSIG if Failed
belloula	0:d07617f8ede9	158	*
belloula	0:d07617f8ede9	159	**************************************************************************************************************
belloula	0:d07617f8ede9	160	*/
belloula	0:d07617f8ede9	161
belloula	0:d07617f8ede9	162	USB_INT32S MS_GetMaxLUN (void)
belloula	0:d07617f8ede9	163	{
belloula	0:d07617f8ede9	164	USB_INT32S rc;
belloula	0:d07617f8ede9	165
belloula	0:d07617f8ede9	166
belloula	0:d07617f8ede9	167	rc = Host_CtrlRecv(USB_DEVICE_TO_HOST \| USB_REQUEST_TYPE_CLASS \| USB_RECIPIENT_INTERFACE,
belloula	0:d07617f8ede9	168	MS_GET_MAX_LUN_REQ,
belloula	0:d07617f8ede9	169	0,
belloula	0:d07617f8ede9	170	0,
belloula	0:d07617f8ede9	171	1,
belloula	0:d07617f8ede9	172	TDBuffer);
belloula	0:d07617f8ede9	173	return (rc);
belloula	0:d07617f8ede9	174	}
belloula	0:d07617f8ede9	175
belloula	0:d07617f8ede9	176	/*
belloula	0:d07617f8ede9	177	**************************************************************************************************************
belloula	0:d07617f8ede9	178	* GET SENSE INFORMATION
belloula	0:d07617f8ede9	179	*
belloula	0:d07617f8ede9	180	* Description: This function is used to get sense information from the device
belloula	0:d07617f8ede9	181	*
belloula	0:d07617f8ede9	182	* Arguments : None
belloula	0:d07617f8ede9	183	*
belloula	0:d07617f8ede9	184	* Returns : OK if Success
belloula	0:d07617f8ede9	185	* ERROR if Failed
belloula	0:d07617f8ede9	186	*
belloula	0:d07617f8ede9	187	**************************************************************************************************************
belloula	0:d07617f8ede9	188	*/
belloula	0:d07617f8ede9	189
belloula	0:d07617f8ede9	190	USB_INT32S MS_GetSenseInfo (void)
belloula	0:d07617f8ede9	191	{
belloula	0:d07617f8ede9	192	USB_INT32S rc;
belloula	0:d07617f8ede9	193
belloula	0:d07617f8ede9	194
belloula	0:d07617f8ede9	195	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_REQUEST_SENSE, 6);
belloula	0:d07617f8ede9	196	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
belloula	0:d07617f8ede9	197	if (rc == OK) {
belloula	0:d07617f8ede9	198	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 18);
belloula	0:d07617f8ede9	199	if (rc == OK) {
belloula	0:d07617f8ede9	200	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
belloula	0:d07617f8ede9	201	if (rc == OK) {
belloula	0:d07617f8ede9	202	if (TDBuffer[12] != 0) {
belloula	0:d07617f8ede9	203	rc = ERR_MS_CMD_FAILED;
belloula	0:d07617f8ede9	204	}
belloula	0:d07617f8ede9	205	}
belloula	0:d07617f8ede9	206	}
belloula	0:d07617f8ede9	207	}
belloula	0:d07617f8ede9	208	return (rc);
belloula	0:d07617f8ede9	209	}
belloula	0:d07617f8ede9	210
belloula	0:d07617f8ede9	211	/*
belloula	0:d07617f8ede9	212	**************************************************************************************************************
belloula	0:d07617f8ede9	213	* TEST UNIT READY
belloula	0:d07617f8ede9	214	*
belloula	0:d07617f8ede9	215	* Description: This function is used to test whether the unit is ready or not
belloula	0:d07617f8ede9	216	*
belloula	0:d07617f8ede9	217	* Arguments : None
belloula	0:d07617f8ede9	218	*
belloula	0:d07617f8ede9	219	* Returns : OK if Success
belloula	0:d07617f8ede9	220	* ERROR if Failed
belloula	0:d07617f8ede9	221	*
belloula	0:d07617f8ede9	222	**************************************************************************************************************
belloula	0:d07617f8ede9	223	*/
belloula	0:d07617f8ede9	224
belloula	0:d07617f8ede9	225	USB_INT32S MS_TestUnitReady (void)
belloula	0:d07617f8ede9	226	{
belloula	0:d07617f8ede9	227	USB_INT32S rc;
belloula	0:d07617f8ede9	228
belloula	0:d07617f8ede9	229
belloula	0:d07617f8ede9	230	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_NONE, SCSI_CMD_TEST_UNIT_READY, 6);
belloula	0:d07617f8ede9	231	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
belloula	0:d07617f8ede9	232	if (rc == OK) {
belloula	0:d07617f8ede9	233	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
belloula	0:d07617f8ede9	234	if (rc == OK) {
belloula	0:d07617f8ede9	235	if (TDBuffer[12] != 0) {
belloula	0:d07617f8ede9	236	rc = ERR_MS_CMD_FAILED;
belloula	0:d07617f8ede9	237	}
belloula	0:d07617f8ede9	238	}
belloula	0:d07617f8ede9	239	}
belloula	0:d07617f8ede9	240	return (rc);
belloula	0:d07617f8ede9	241	}
belloula	0:d07617f8ede9	242
belloula	0:d07617f8ede9	243	/*
belloula	0:d07617f8ede9	244	**************************************************************************************************************
belloula	0:d07617f8ede9	245	* READ CAPACITY
belloula	0:d07617f8ede9	246	*
belloula	0:d07617f8ede9	247	* Description: This function is used to read the capacity of the mass storage device
belloula	0:d07617f8ede9	248	*
belloula	0:d07617f8ede9	249	* Arguments : None
belloula	0:d07617f8ede9	250	*
belloula	0:d07617f8ede9	251	* Returns : OK if Success
belloula	0:d07617f8ede9	252	* ERROR if Failed
belloula	0:d07617f8ede9	253	*
belloula	0:d07617f8ede9	254	**************************************************************************************************************
belloula	0:d07617f8ede9	255	*/
belloula	0:d07617f8ede9	256
belloula	0:d07617f8ede9	257	USB_INT32S MS_ReadCapacity (USB_INT32U numBlks, USB_INT32U blkSize)
belloula	0:d07617f8ede9	258	{
belloula	0:d07617f8ede9	259	USB_INT32S rc;
belloula	0:d07617f8ede9	260
belloula	0:d07617f8ede9	261
belloula	0:d07617f8ede9	262	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_READ_CAPACITY, 10);
belloula	0:d07617f8ede9	263	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
belloula	0:d07617f8ede9	264	if (rc == OK) {
belloula	0:d07617f8ede9	265	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 8);
belloula	0:d07617f8ede9	266	if (rc == OK) {
belloula	0:d07617f8ede9	267	if (numBlks)
belloula	0:d07617f8ede9	268	*numBlks = ReadBE32U(&TDBuffer[0]);
belloula	0:d07617f8ede9	269	if (blkSize)
belloula	0:d07617f8ede9	270	*blkSize = ReadBE32U(&TDBuffer[4]);
belloula	0:d07617f8ede9	271	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
belloula	0:d07617f8ede9	272	if (rc == OK) {
belloula	0:d07617f8ede9	273	if (TDBuffer[12] != 0) {
belloula	0:d07617f8ede9	274	rc = ERR_MS_CMD_FAILED;
belloula	0:d07617f8ede9	275	}
belloula	0:d07617f8ede9	276	}
belloula	0:d07617f8ede9	277	}
belloula	0:d07617f8ede9	278	}
belloula	0:d07617f8ede9	279	return (rc);
belloula	0:d07617f8ede9	280	}
belloula	0:d07617f8ede9	281
belloula	0:d07617f8ede9	282
belloula	0:d07617f8ede9	283
belloula	0:d07617f8ede9	284	USB_INT32S MS_Inquire (USB_INT08U *response)
belloula	0:d07617f8ede9	285	{
belloula	0:d07617f8ede9	286	USB_INT32S rc;
belloula	0:d07617f8ede9	287	USB_INT32U i;
belloula	0:d07617f8ede9	288
belloula	0:d07617f8ede9	289	Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_INQUIRY, 6);
belloula	0:d07617f8ede9	290	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
belloula	0:d07617f8ede9	291	if (rc == OK) {
belloula	0:d07617f8ede9	292	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, INQUIRY_LENGTH);
belloula	0:d07617f8ede9	293	if (rc == OK) {
belloula	0:d07617f8ede9	294	if (response) {
belloula	0:d07617f8ede9	295	for ( i = 0; i < INQUIRY_LENGTH; i++ )
belloula	0:d07617f8ede9	296	response++ = TDBuffer++;
belloula	0:d07617f8ede9	297	#if 0
belloula	0:d07617f8ede9	298	MemCpy (response, TDBuffer, INQUIRY_LENGTH);
belloula	0:d07617f8ede9	299	StrNullTrailingSpace (response->vendorID, SCSI_INQUIRY_VENDORCHARS);
belloula	0:d07617f8ede9	300	StrNullTrailingSpace (response->productID, SCSI_INQUIRY_PRODUCTCHARS);
belloula	0:d07617f8ede9	301	StrNullTrailingSpace (response->productRev, SCSI_INQUIRY_REVCHARS);
belloula	0:d07617f8ede9	302	#endif
belloula	0:d07617f8ede9	303	}
belloula	0:d07617f8ede9	304	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
belloula	0:d07617f8ede9	305	if (rc == OK) {
belloula	0:d07617f8ede9	306	if (TDBuffer[12] != 0) { // bCSWStatus byte
belloula	0:d07617f8ede9	307	rc = ERR_MS_CMD_FAILED;
belloula	0:d07617f8ede9	308	}
belloula	0:d07617f8ede9	309	}
belloula	0:d07617f8ede9	310	}
belloula	0:d07617f8ede9	311	}
belloula	0:d07617f8ede9	312	return (rc);
belloula	0:d07617f8ede9	313	}
belloula	0:d07617f8ede9	314
belloula	0:d07617f8ede9	315	/*
belloula	0:d07617f8ede9	316	**************************************************************************************************************
belloula	0:d07617f8ede9	317	* RECEIVE THE BULK DATA
belloula	0:d07617f8ede9	318	*
belloula	0:d07617f8ede9	319	* Description: This function is used to receive the bulk data
belloula	0:d07617f8ede9	320	*
belloula	0:d07617f8ede9	321	* Arguments : None
belloula	0:d07617f8ede9	322	*
belloula	0:d07617f8ede9	323	* Returns : OK if Success
belloula	0:d07617f8ede9	324	* ERR_INVALID_BOOTSIG if Failed
belloula	0:d07617f8ede9	325	*
belloula	0:d07617f8ede9	326	**************************************************************************************************************
belloula	0:d07617f8ede9	327	*/
belloula	0:d07617f8ede9	328
belloula	0:d07617f8ede9	329	USB_INT32S MS_BulkRecv ( USB_INT32U block_number,
belloula	0:d07617f8ede9	330	USB_INT16U num_blocks,
belloula	0:d07617f8ede9	331	volatile USB_INT08U *user_buffer)
belloula	0:d07617f8ede9	332	{
belloula	0:d07617f8ede9	333	USB_INT32S rc;
belloula	0:d07617f8ede9	334	int i;
belloula	0:d07617f8ede9	335	volatile USB_INT08U *c = user_buffer;
belloula	0:d07617f8ede9	336	for (i=0;i<MS_BlkSize*num_blocks;i++)
belloula	0:d07617f8ede9	337	*c++ = 0;
belloula	0:d07617f8ede9	338
belloula	0:d07617f8ede9	339
belloula	0:d07617f8ede9	340	Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_IN, SCSI_CMD_READ_10, 10);
belloula	0:d07617f8ede9	341
belloula	0:d07617f8ede9	342	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
belloula	0:d07617f8ede9	343	if (rc == OK) {
belloula	0:d07617f8ede9	344	rc = Host_ProcessTD(EDBulkIn, TD_IN, user_buffer, MS_BlkSize * num_blocks);
belloula	0:d07617f8ede9	345	if (rc == OK) {
belloula	0:d07617f8ede9	346	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
belloula	0:d07617f8ede9	347	if (rc == OK) {
belloula	0:d07617f8ede9	348	if (TDBuffer[12] != 0) {
belloula	0:d07617f8ede9	349	rc = ERR_MS_CMD_FAILED;
belloula	0:d07617f8ede9	350	}
belloula	0:d07617f8ede9	351	}
belloula	0:d07617f8ede9	352	}
belloula	0:d07617f8ede9	353	}
belloula	0:d07617f8ede9	354	return (rc);
belloula	0:d07617f8ede9	355	}
belloula	0:d07617f8ede9	356
belloula	0:d07617f8ede9	357	/*
belloula	0:d07617f8ede9	358	**************************************************************************************************************
belloula	0:d07617f8ede9	359	* SEND BULK DATA
belloula	0:d07617f8ede9	360	*
belloula	0:d07617f8ede9	361	* Description: This function is used to send the bulk data
belloula	0:d07617f8ede9	362	*
belloula	0:d07617f8ede9	363	* Arguments : None
belloula	0:d07617f8ede9	364	*
belloula	0:d07617f8ede9	365	* Returns : OK if Success
belloula	0:d07617f8ede9	366	* ERR_INVALID_BOOTSIG if Failed
belloula	0:d07617f8ede9	367	*
belloula	0:d07617f8ede9	368	**************************************************************************************************************
belloula	0:d07617f8ede9	369	*/
belloula	0:d07617f8ede9	370
belloula	0:d07617f8ede9	371	USB_INT32S MS_BulkSend ( USB_INT32U block_number,
belloula	0:d07617f8ede9	372	USB_INT16U num_blocks,
belloula	0:d07617f8ede9	373	volatile USB_INT08U *user_buffer)
belloula	0:d07617f8ede9	374	{
belloula	0:d07617f8ede9	375	USB_INT32S rc;
belloula	0:d07617f8ede9	376
belloula	0:d07617f8ede9	377
belloula	0:d07617f8ede9	378	Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_OUT, SCSI_CMD_WRITE_10, 10);
belloula	0:d07617f8ede9	379
belloula	0:d07617f8ede9	380	rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE);
belloula	0:d07617f8ede9	381	if (rc == OK) {
belloula	0:d07617f8ede9	382	rc = Host_ProcessTD(EDBulkOut, TD_OUT, user_buffer, MS_BlkSize * num_blocks);
belloula	0:d07617f8ede9	383	if (rc == OK) {
belloula	0:d07617f8ede9	384	rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE);
belloula	0:d07617f8ede9	385	if (rc == OK) {
belloula	0:d07617f8ede9	386	if (TDBuffer[12] != 0) {
belloula	0:d07617f8ede9	387	rc = ERR_MS_CMD_FAILED;
belloula	0:d07617f8ede9	388	}
belloula	0:d07617f8ede9	389	}
belloula	0:d07617f8ede9	390	}
belloula	0:d07617f8ede9	391	}
belloula	0:d07617f8ede9	392	return (rc);
belloula	0:d07617f8ede9	393	}
belloula	0:d07617f8ede9	394
belloula	0:d07617f8ede9	395	/*
belloula	0:d07617f8ede9	396	**************************************************************************************************************
belloula	0:d07617f8ede9	397	* FILL MASS STORAGE COMMAND
belloula	0:d07617f8ede9	398	*
belloula	0:d07617f8ede9	399	* Description: This function is used to fill the mass storage command
belloula	0:d07617f8ede9	400	*
belloula	0:d07617f8ede9	401	* Arguments : None
belloula	0:d07617f8ede9	402	*
belloula	0:d07617f8ede9	403	* Returns : OK if Success
belloula	0:d07617f8ede9	404	* ERR_INVALID_BOOTSIG if Failed
belloula	0:d07617f8ede9	405	*
belloula	0:d07617f8ede9	406	**************************************************************************************************************
belloula	0:d07617f8ede9	407	*/
belloula	0:d07617f8ede9	408
belloula	0:d07617f8ede9	409	void Fill_MSCommand (USB_INT32U block_number,
belloula	0:d07617f8ede9	410	USB_INT32U block_size,
belloula	0:d07617f8ede9	411	USB_INT16U num_blocks,
belloula	0:d07617f8ede9	412	MS_DATA_DIR direction,
belloula	0:d07617f8ede9	413	USB_INT08U scsi_cmd,
belloula	0:d07617f8ede9	414	USB_INT08U scsi_cmd_len)
belloula	0:d07617f8ede9	415	{
belloula	0:d07617f8ede9	416	USB_INT32U data_len;
belloula	0:d07617f8ede9	417	static USB_INT32U tag_cnt = 0;
belloula	0:d07617f8ede9	418	USB_INT32U cnt;
belloula	0:d07617f8ede9	419
belloula	0:d07617f8ede9	420
belloula	0:d07617f8ede9	421	for (cnt = 0; cnt < CBW_SIZE; cnt++) {
belloula	0:d07617f8ede9	422	TDBuffer[cnt] = 0;
belloula	0:d07617f8ede9	423	}
belloula	0:d07617f8ede9	424	switch(scsi_cmd) {
belloula	0:d07617f8ede9	425
belloula	0:d07617f8ede9	426	case SCSI_CMD_TEST_UNIT_READY:
belloula	0:d07617f8ede9	427	data_len = 0;
belloula	0:d07617f8ede9	428	break;
belloula	0:d07617f8ede9	429	case SCSI_CMD_READ_CAPACITY:
belloula	0:d07617f8ede9	430	data_len = 8;
belloula	0:d07617f8ede9	431	break;
belloula	0:d07617f8ede9	432	case SCSI_CMD_REQUEST_SENSE:
belloula	0:d07617f8ede9	433	data_len = 18;
belloula	0:d07617f8ede9	434	break;
belloula	0:d07617f8ede9	435	case SCSI_CMD_INQUIRY:
belloula	0:d07617f8ede9	436	data_len = 36;
belloula	0:d07617f8ede9	437	break;
belloula	0:d07617f8ede9	438	default:
belloula	0:d07617f8ede9	439	data_len = block_size * num_blocks;
belloula	0:d07617f8ede9	440	break;
belloula	0:d07617f8ede9	441	}
belloula	0:d07617f8ede9	442	WriteLE32U(TDBuffer, CBW_SIGNATURE);
belloula	0:d07617f8ede9	443	WriteLE32U(&TDBuffer[4], tag_cnt);
belloula	0:d07617f8ede9	444	WriteLE32U(&TDBuffer[8], data_len);
belloula	0:d07617f8ede9	445	TDBuffer[12] = (direction == MS_DATA_DIR_NONE) ? 0 : direction;
belloula	0:d07617f8ede9	446	TDBuffer[14] = scsi_cmd_len; /* Length of the CBW */
belloula	0:d07617f8ede9	447	TDBuffer[15] = scsi_cmd;
belloula	0:d07617f8ede9	448	if ((scsi_cmd == SCSI_CMD_REQUEST_SENSE)
belloula	0:d07617f8ede9	449	\|\| (scsi_cmd == SCSI_CMD_INQUIRY)) {
belloula	0:d07617f8ede9	450	TDBuffer[19] = (USB_INT08U)data_len;
belloula	0:d07617f8ede9	451	} else {
belloula	0:d07617f8ede9	452	WriteBE32U(&TDBuffer[17], block_number);
belloula	0:d07617f8ede9	453	}
belloula	0:d07617f8ede9	454	WriteBE16U(&TDBuffer[22], num_blocks);
belloula	0:d07617f8ede9	455	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	17 Oct 2011
Imports:	17
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

USBHostLite/usbhost_ms.c@0:d07617f8ede9, 2011-10-17 (annotated)

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