A File System interface that incorporates both SD and USB support. It was difficult to find a ready-to-go library, but the right set of pieces from others, and a few modifications, created this.
Dependencies: FatFileSystemCpp USBHostLite
Dependents: m3PI_TP_POPS_II2015v0 m3PI_TP_POPS_II2015v0 ourproject m3PI_TP_SETI ... more
Revision 2:5bc5d2b70622, committed 2013-11-10
- Comitter:
- bouaziz
- Date:
- Sun Nov 10 21:01:29 2013 +0000
- Parent:
- 1:19a776ced714
- Commit message:
- Just simple modification to maje this lib usable by our students Polytech Paris Sud Undergraduate School in university of Paris Sud Orsay;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite.lib Sun Nov 10 21:01:29 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/bouaziz/code/USBHostLite/#7c305139fb85
--- a/USBHostLite/usbhost_cpu.h Fri Oct 11 02:34:51 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,35 +0,0 @@ -/* -************************************************************************************************************** -* NXP USB Host Stack -* -* (c) Copyright 2008, NXP SemiConductors -* (c) Copyright 2008, OnChip Technologies LLC -* All Rights Reserved -* -* www.nxp.com -* www.onchiptech.com -* -* File : usbhost_cpu.h -* Programmer(s) : Ravikanth.P -* Version : -* -************************************************************************************************************** -*/ - -#ifndef USBHOST_CPU_H -#define USBHOST_CPU_H - -/* -************************************************************************************************************** -* TYPE DEFINITIONS OF DATA TYPES -************************************************************************************************************** -*/ - -typedef unsigned int USB_INT32U; -typedef signed int USB_INT32S; -typedef unsigned short USB_INT16U; -typedef signed short USB_INT16S; -typedef unsigned char USB_INT08U; -typedef signed char USB_INT08S; - -#endif
--- a/USBHostLite/usbhost_err.h Fri Oct 11 02:34:51 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,63 +0,0 @@ -/* -************************************************************************************************************** -* NXP USB Host Stack -* -* (c) Copyright 2008, NXP SemiConductors -* (c) Copyright 2008, OnChip Technologies LLC -* All Rights Reserved -* -* www.nxp.com -* www.onchiptech.com -* -* File : usbhost_err.h -* Programmer(s) : Ravikanth.P -* Version : -* -************************************************************************************************************** -*/ - -#ifndef USBHOST_ERR_H -#define USBHOST_ERR_H - - -/* -************************************************************************************************************** -* GENERAL DEFINITIONS -************************************************************************************************************** -*/ - -#define OK 0 -#define MATCH_FOUND 0 - -/* -************************************************************************************************************** -* HOST CONTROLLER SPECIFIC ERROR CODES -************************************************************************************************************** -*/ - -#define ERR_TD_FAIL -1 - -/* -************************************************************************************************************** -* MASS STORAGE SPECIFIC ERROR CODES -************************************************************************************************************** -*/ - -#define ERR_MS_CMD_FAILED -10 -#define ERR_BAD_CONFIGURATION -11 -#define ERR_NO_MS_INTERFACE -12 - -/* -************************************************************************************************************** -* FAT SPECIFIC ERROR CODES -************************************************************************************************************** -*/ - -#define MATCH_NOT_FOUND -20 -#define ERR_FAT_NOT_SUPPORTED -21 -#define ERR_OPEN_LIMIT_REACHED -22 -#define ERR_INVALID_BOOT_SIG -23 -#define ERR_INVALID_BOOT_SEC -24 -#define ERR_ROOT_DIR_FULL -25 - -#endif
--- a/USBHostLite/usbhost_inc.h Fri Oct 11 02:34:51 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,39 +0,0 @@ -/* -************************************************************************************************************** -* NXP USB Host Stack -* -* (c) Copyright 2008, NXP SemiConductors -* (c) Copyright 2008, OnChip Technologies LLC -* All Rights Reserved -* -* www.nxp.com -* www.onchiptech.com -* -* File : usbhost_inc.h -* Programmer(s) : Ravikanth.P -* Version : -* -************************************************************************************************************** -*/ - -#ifndef USBHOST_INC_H -#define USBHOST_INC_H - -/* -************************************************************************************************************** -* INCLUDE HEADER FILES -************************************************************************************************************** -*/ - -#include "usbhost_cpu.h" -#include "usbhost_err.h" -#include "usbhost_lpc17xx.h" -#include "usbhost_ms.h" -#include "mbed.h" - - -#ifdef TARGET_LPC2368 -#error "There is no USB host on the LPC2368!" -#endif - -#endif
--- a/USBHostLite/usbhost_lpc17xx.cpp Fri Oct 11 02:34:51 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,820 +0,0 @@ -/* -************************************************************************************************************** -* NXP USB Host Stack -* -* (c) Copyright 2008, NXP SemiConductors -* (c) Copyright 2008, OnChip Technologies LLC -* All Rights Reserved -* -* www.nxp.com -* www.onchiptech.com -* -* File : usbhost_lpc17xx.c -* Programmer(s) : Ravikanth.P -* Version : -* -************************************************************************************************************** -*/ - -/* -************************************************************************************************************** -* INCLUDE HEADER FILES -************************************************************************************************************** -*/ - -#include "usbhost_lpc17xx.h" - -/* -************************************************************************************************************** -* GLOBAL VARIABLES -************************************************************************************************************** -*/ -int gUSBConnected; - -volatile USB_INT32U HOST_RhscIntr = 0; /* Root Hub Status Change interrupt */ -volatile USB_INT32U HOST_WdhIntr = 0; /* Semaphore to wait until the TD is submitted */ -volatile USB_INT08U HOST_TDControlStatus = 0; -volatile HCED *EDCtrl; /* Control endpoint descriptor structure */ -volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */ -volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */ -volatile HCTD *TDHead; /* Head transfer descriptor structure */ -volatile HCTD *TDTail; /* Tail transfer descriptor structure */ -volatile HCCA *Hcca; /* Host Controller Communications Area structure */ - USB_INT16U *TDBufNonVol; /* Identical to TDBuffer just to reduce compiler warnings */ -volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */ - -// USB host structures -// AHB SRAM block 1 -#define HOSTBASEADDR 0x2007C000 -// reserve memory for the linker -static USB_INT08U HostBuf[0x200] __attribute__((at(HOSTBASEADDR))); -/* -************************************************************************************************************** -* DELAY IN MILLI SECONDS -* -* Description: This function provides a delay in milli seconds -* -* Arguments : delay The delay required -* -* Returns : None -* -************************************************************************************************************** -*/ - -void Host_DelayMS (USB_INT32U delay) -{ - volatile USB_INT32U i; - - - for (i = 0; i < delay; i++) { - Host_DelayUS(1000); - } -} - -/* -************************************************************************************************************** -* DELAY IN MICRO SECONDS -* -* Description: This function provides a delay in micro seconds -* -* Arguments : delay The delay required -* -* Returns : None -* -************************************************************************************************************** -*/ - -void Host_DelayUS (USB_INT32U delay) -{ - volatile USB_INT32U i; - - - for (i = 0; i < (4 * delay); i++) { /* This logic was tested. It gives app. 1 micro sec delay */ - ; - } -} - -// bits of the USB/OTG clock control register -#define HOST_CLK_EN (1<<0) -#define DEV_CLK_EN (1<<1) -#define PORTSEL_CLK_EN (1<<3) -#define AHB_CLK_EN (1<<4) - -// bits of the USB/OTG clock status register -#define HOST_CLK_ON (1<<0) -#define DEV_CLK_ON (1<<1) -#define PORTSEL_CLK_ON (1<<3) -#define AHB_CLK_ON (1<<4) - -// we need host clock, OTG/portsel clock and AHB clock -#define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN) - -/* -************************************************************************************************************** -* INITIALIZE THE HOST CONTROLLER -* -* Description: This function initializes lpc17xx host controller -* -* Arguments : None -* -* Returns : -* -************************************************************************************************************** -*/ -void Host_Init (void) -{ - PRINT_Log("In Host_Init\r\n"); - NVIC_DisableIRQ(USB_IRQn); /* Disable the USB interrupt source */ - - // turn on power for USB - LPC_SC->PCONP |= (1UL<<31); - // Enable USB host clock, port selection and AHB clock - LPC_USB->USBClkCtrl |= CLOCK_MASK; - // Wait for clocks to become available - while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK) - ; - - // it seems the bits[0:1] mean the following - // 0: U1=device, U2=host - // 1: U1=host, U2=host - // 2: reserved - // 3: U1=host, U2=device - // NB: this register is only available if OTG clock (aka "port select") is enabled!! - // since we don't care about port 2, set just bit 0 to 1 (U1=host) - LPC_USB->OTGStCtrl |= 1; - - // now that we've configured the ports, we can turn off the portsel clock - LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; - - // power pins are not connected on mbed, so we can skip them - /* P1[18] = USB_UP_LED, 01 */ - /* P1[19] = /USB_PPWR, 10 */ - /* P1[22] = USB_PWRD, 10 */ - /* P1[27] = /USB_OVRCR, 10 */ - /*LPC_PINCON->PINSEL3 &= ~((3<<4) | (3<<6) | (3<<12) | (3<<22)); - LPC_PINCON->PINSEL3 |= ((1<<4)|(2<<6) | (2<<12) | (2<<22)); // 0x00802080 - */ - - // configure USB D+/D- pins - /* P0[29] = USB_D+, 01 */ - /* P0[30] = USB_D-, 01 */ - LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28)); - LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // 0x14000000 - - PRINT_Log("Initializing Host Stack\r\n"); - - Hcca = (volatile HCCA *)(HostBuf+0x000); - TDHead = (volatile HCTD *)(HostBuf+0x100); - TDTail = (volatile HCTD *)(HostBuf+0x110); - EDCtrl = (volatile HCED *)(HostBuf+0x120); - EDBulkIn = (volatile HCED *)(HostBuf+0x130); - EDBulkOut = (volatile HCED *)(HostBuf+0x140); - TDBuffer = (volatile USB_INT08U *)(HostBuf+0x150); - - /* Initialize all the TDs, EDs and HCCA to 0 */ - Host_EDInit(EDCtrl); - Host_EDInit(EDBulkIn); - Host_EDInit(EDBulkOut); - Host_TDInit(TDHead); - Host_TDInit(TDTail); - Host_HCCAInit(Hcca); - - Host_DelayMS(50); /* Wait 50 ms before apply reset */ - LPC_USB->HcControl = 0; /* HARDWARE RESET */ - LPC_USB->HcControlHeadED = 0; /* Initialize Control list head to Zero */ - LPC_USB->HcBulkHeadED = 0; /* Initialize Bulk list head to Zero */ - - /* SOFTWARE RESET */ - LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR; - LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL; /* Write Fm Interval and Largest Data Packet Counter */ - - /* Put HC in operational state */ - LPC_USB->HcControl = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER; - LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC; /* Set Global Power */ - - LPC_USB->HcHCCA = (USB_INT32U)Hcca; - LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus; /* Clear Interrrupt Status */ - - - LPC_USB->HcInterruptEnable = OR_INTR_ENABLE_MIE | - OR_INTR_ENABLE_WDH | - OR_INTR_ENABLE_RHSC; - - NVIC_SetPriority(USB_IRQn, 0); /* highest priority */ - /* Enable the USB Interrupt */ - NVIC_EnableIRQ(USB_IRQn); - PRINT_Log("Host Initialized\r\n"); -} - -/* -************************************************************************************************************** -* INTERRUPT SERVICE ROUTINE -* -* Description: This function services the interrupt caused by host controller -* -* Arguments : None -* -* Returns : None -* -************************************************************************************************************** -*/ - -void USB_IRQHandler (void) __irq -{ - USB_INT32U int_status; - USB_INT32U ie_status; - - int_status = LPC_USB->HcInterruptStatus; /* Read Interrupt Status */ - ie_status = LPC_USB->HcInterruptEnable; /* Read Interrupt enable status */ - - if (!(int_status & ie_status)) { - return; - } else { - - int_status = int_status & ie_status; - if (int_status & OR_INTR_STATUS_RHSC) { /* Root hub status change interrupt */ - if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) { - if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) { - /* - * When DRWE is on, Connect Status Change - * means a remote wakeup event. - */ - HOST_RhscIntr = 1;// JUST SOMETHING FOR A BREAKPOINT - } - else { - /* - * When DRWE is off, Connect Status Change - * is NOT a remote wakeup event - */ - if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) { - if (!gUSBConnected) { - HOST_TDControlStatus = 0; - HOST_WdhIntr = 0; - HOST_RhscIntr = 1; - gUSBConnected = 1; - } - else - PRINT_Log("Spurious status change (connected)?\r\n"); - } else { - if (gUSBConnected) { - LPC_USB->HcInterruptEnable = 0; // why do we get multiple disc. rupts??? - HOST_RhscIntr = 0; - gUSBConnected = 0; - } - else - PRINT_Log("Spurious status change (disconnected)?\r\n"); - } - } - LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC; - } - if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC) { - LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; - } - } - if (int_status & OR_INTR_STATUS_WDH) { /* Writeback Done Head interrupt */ - HOST_WdhIntr = 1; - HOST_TDControlStatus = (TDHead->Control >> 28) & 0xf; - } - LPC_USB->HcInterruptStatus = int_status; /* Clear interrupt status register */ - } - return; -} - -/* -************************************************************************************************************** -* PROCESS TRANSFER DESCRIPTOR -* -* Description: This function processes the transfer descriptor -* -* Arguments : ed Endpoint descriptor that contains this transfer descriptor -* token SETUP, IN, OUT -* buffer Current Buffer Pointer of the transfer descriptor -* buffer_len Length of the buffer -* -* Returns : OK if TD submission is successful -* ERROR if TD submission fails -* -************************************************************************************************************** -*/ - -USB_INT32S Host_ProcessTD (volatile HCED *ed, - volatile USB_INT32U token, - volatile USB_INT08U *buffer, - USB_INT32U buffer_len) -{ - volatile USB_INT32U td_toggle; - - - if (ed == EDCtrl) { - if (token == TD_SETUP) { - td_toggle = TD_TOGGLE_0; - } else { - td_toggle = TD_TOGGLE_1; - } - } else { - td_toggle = 0; - } - TDHead->Control = (TD_ROUNDING | - token | - TD_DELAY_INT(0) | - td_toggle | - TD_CC); - TDTail->Control = 0; - TDHead->CurrBufPtr = (USB_INT32U) buffer; - TDTail->CurrBufPtr = 0; - TDHead->Next = (USB_INT32U) TDTail; - TDTail->Next = 0; - TDHead->BufEnd = (USB_INT32U)(buffer + (buffer_len - 1)); - TDTail->BufEnd = 0; - - ed->HeadTd = (USB_INT32U)TDHead | ((ed->HeadTd) & 0x00000002); - ed->TailTd = (USB_INT32U)TDTail; - ed->Next = 0; - - if (ed == EDCtrl) { - LPC_USB->HcControlHeadED = (USB_INT32U)ed; - LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_CLF; - LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_CLE; - } else { - LPC_USB->HcBulkHeadED = (USB_INT32U)ed; - LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_BLF; - LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_BLE; - } - - Host_WDHWait(); - -// if (!(TDHead->Control & 0xF0000000)) { - if (!HOST_TDControlStatus) { - return (OK); - } else { - return (ERR_TD_FAIL); - } -} - -/* -************************************************************************************************************** -* ENUMERATE THE DEVICE -* -* Description: This function is used to enumerate the device connected -* -* Arguments : None -* -* Returns : None -* -************************************************************************************************************** -*/ - -USB_INT32S Host_EnumDev (void) -{ - USB_INT32S rc; - - PRINT_Log("Connect a Mass Storage device\r\n"); - while (!HOST_RhscIntr) - __WFI(); - Host_DelayMS(100); /* USB 2.0 spec says atleast 50ms delay beore port reset */ - LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; // Initiate port reset - while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS) - __WFI(); // Wait for port reset to complete... - LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; // ...and clear port reset signal - Host_DelayMS(200); /* Wait for 100 MS after port reset */ - - EDCtrl->Control = 8 << 16; /* Put max pkt size = 8 */ - /* Read first 8 bytes of device desc */ - rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_DEVICE, 0, TDBuffer, 8); - if (rc != OK) { - PRINT_Err(rc); - return (rc); - } - EDCtrl->Control = TDBuffer[7] << 16; /* Get max pkt size of endpoint 0 */ - rc = HOST_SET_ADDRESS(1); /* Set the device address to 1 */ - if (rc != OK) { - PRINT_Err(rc); - return (rc); - } - Host_DelayMS(2); - EDCtrl->Control = (EDCtrl->Control) | 1; /* Modify control pipe with address 1 */ - /* Get the configuration descriptor */ - rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, 9); - if (rc != OK) { - PRINT_Err(rc); - return (rc); - } - /* Get the first configuration data */ - rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, ReadLE16U(&TDBuffer[2])); - if (rc != OK) { - PRINT_Err(rc); - return (rc); - } - rc = MS_ParseConfiguration(); /* Parse the configuration */ - if (rc != OK) { - PRINT_Err(rc); - return (rc); - } - rc = USBH_SET_CONFIGURATION(1); /* Select device configuration 1 */ - if (rc != OK) { - PRINT_Err(rc); - } - Host_DelayMS(100); /* Some devices may require this delay */ - return (rc); -} - -/* -************************************************************************************************************** -* RECEIVE THE CONTROL INFORMATION -* -* Description: This function is used to receive the control information -* -* Arguments : bm_request_type -* b_request -* w_value -* w_index -* w_length -* buffer -* -* Returns : OK if Success -* ERROR if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type, - USB_INT08U b_request, - USB_INT16U w_value, - USB_INT16U w_index, - USB_INT16U w_length, - volatile USB_INT08U *buffer) -{ - USB_INT32S rc; - - - Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length); - rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8); - if (rc == OK) { - if (w_length) { - rc = Host_ProcessTD(EDCtrl, TD_IN, TDBuffer, w_length); - } - if (rc == OK) { - rc = Host_ProcessTD(EDCtrl, TD_OUT, NULL, 0); - } - } - return (rc); -} - -/* -************************************************************************************************************** -* SEND THE CONTROL INFORMATION -* -* Description: This function is used to send the control information -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type, - USB_INT08U b_request, - USB_INT16U w_value, - USB_INT16U w_index, - USB_INT16U w_length, - volatile USB_INT08U *buffer) -{ - USB_INT32S rc; - - - Host_FillSetup(bm_request_type, b_request, w_value, w_index, w_length); - - rc = Host_ProcessTD(EDCtrl, TD_SETUP, TDBuffer, 8); - if (rc == OK) { - if (w_length) { - rc = Host_ProcessTD(EDCtrl, TD_OUT, TDBuffer, w_length); - } - if (rc == OK) { - rc = Host_ProcessTD(EDCtrl, TD_IN, NULL, 0); - } - } - return (rc); -} - -/* -************************************************************************************************************** -* FILL SETUP PACKET -* -* Description: This function is used to fill the setup packet -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -void Host_FillSetup (USB_INT08U bm_request_type, - USB_INT08U b_request, - USB_INT16U w_value, - USB_INT16U w_index, - USB_INT16U w_length) -{ - int i; - for (i=0;i<w_length;i++) - TDBuffer[i] = 0; - - TDBuffer[0] = bm_request_type; - TDBuffer[1] = b_request; - WriteLE16U(&TDBuffer[2], w_value); - WriteLE16U(&TDBuffer[4], w_index); - WriteLE16U(&TDBuffer[6], w_length); -} - - - -/* -************************************************************************************************************** -* INITIALIZE THE TRANSFER DESCRIPTOR -* -* Description: This function initializes transfer descriptor -* -* Arguments : Pointer to TD structure -* -* Returns : None -* -************************************************************************************************************** -*/ - -void Host_TDInit (volatile HCTD *td) -{ - - td->Control = 0; - td->CurrBufPtr = 0; - td->Next = 0; - td->BufEnd = 0; -} - -/* -************************************************************************************************************** -* INITIALIZE THE ENDPOINT DESCRIPTOR -* -* Description: This function initializes endpoint descriptor -* -* Arguments : Pointer to ED strcuture -* -* Returns : None -* -************************************************************************************************************** -*/ - -void Host_EDInit (volatile HCED *ed) -{ - - ed->Control = 0; - ed->TailTd = 0; - ed->HeadTd = 0; - ed->Next = 0; -} - -/* -************************************************************************************************************** -* INITIALIZE HOST CONTROLLER COMMUNICATIONS AREA -* -* Description: This function initializes host controller communications area -* -* Arguments : Pointer to HCCA -* -* Returns : -* -************************************************************************************************************** -*/ - -void Host_HCCAInit (volatile HCCA *hcca) -{ - USB_INT32U i; - - - for (i = 0; i < 32; i++) { - - hcca->IntTable[i] = 0; - hcca->FrameNumber = 0; - hcca->DoneHead = 0; - } - -} - -/* -************************************************************************************************************** -* WAIT FOR WDH INTERRUPT -* -* Description: This function is infinite loop which breaks when ever a WDH interrupt rises -* -* Arguments : None -* -* Returns : None -* -************************************************************************************************************** -*/ - -void Host_WDHWait (void) -{ - while (!HOST_WdhIntr) - __WFI(); - - HOST_WdhIntr = 0; -} - -/* -************************************************************************************************************** -* READ LE 32U -* -* Description: This function is used to read an unsigned integer from a character buffer in the platform -* containing little endian processor -* -* Arguments : pmem Pointer to the character buffer -* -* Returns : val Unsigned integer -* -************************************************************************************************************** -*/ - -USB_INT32U ReadLE32U (volatile USB_INT08U *pmem) -{ - USB_INT32U val = *(USB_INT32U*)pmem; -#ifdef __BIG_ENDIAN - return __REV(val); -#else - return val; -#endif -} - -/* -************************************************************************************************************** -* WRITE LE 32U -* -* Description: This function is used to write an unsigned integer into a charecter buffer in the platform -* containing little endian processor. -* -* Arguments : pmem Pointer to the charecter buffer -* val Integer value to be placed in the charecter buffer -* -* Returns : None -* -************************************************************************************************************** -*/ - -void WriteLE32U (volatile USB_INT08U *pmem, - USB_INT32U val) -{ -#ifdef __BIG_ENDIAN - *(USB_INT32U*)pmem = __REV(val); -#else - *(USB_INT32U*)pmem = val; -#endif -} - -/* -************************************************************************************************************** -* READ LE 16U -* -* Description: This function is used to read an unsigned short integer from a charecter buffer in the platform -* containing little endian processor -* -* Arguments : pmem Pointer to the charecter buffer -* -* Returns : val Unsigned short integer -* -************************************************************************************************************** -*/ - -USB_INT16U ReadLE16U (volatile USB_INT08U *pmem) -{ - USB_INT16U val = *(USB_INT16U*)pmem; -#ifdef __BIG_ENDIAN - return __REV16(val); -#else - return val; -#endif -} - -/* -************************************************************************************************************** -* WRITE LE 16U -* -* Description: This function is used to write an unsigned short integer into a charecter buffer in the -* platform containing little endian processor -* -* Arguments : pmem Pointer to the charecter buffer -* val Value to be placed in the charecter buffer -* -* Returns : None -* -************************************************************************************************************** -*/ - -void WriteLE16U (volatile USB_INT08U *pmem, - USB_INT16U val) -{ -#ifdef __BIG_ENDIAN - *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF); -#else - *(USB_INT16U*)pmem = val; -#endif -} - -/* -************************************************************************************************************** -* READ BE 32U -* -* Description: This function is used to read an unsigned integer from a charecter buffer in the platform -* containing big endian processor -* -* Arguments : pmem Pointer to the charecter buffer -* -* Returns : val Unsigned integer -* -************************************************************************************************************** -*/ - -USB_INT32U ReadBE32U (volatile USB_INT08U *pmem) -{ - USB_INT32U val = *(USB_INT32U*)pmem; -#ifdef __BIG_ENDIAN - return val; -#else - return __REV(val); -#endif -} - -/* -************************************************************************************************************** -* WRITE BE 32U -* -* Description: This function is used to write an unsigned integer into a charecter buffer in the platform -* containing big endian processor -* -* Arguments : pmem Pointer to the charecter buffer -* val Value to be placed in the charecter buffer -* -* Returns : None -* -************************************************************************************************************** -*/ - -void WriteBE32U (volatile USB_INT08U *pmem, - USB_INT32U val) -{ -#ifdef __BIG_ENDIAN - *(USB_INT32U*)pmem = val; -#else - *(USB_INT32U*)pmem = __REV(val); -#endif -} - -/* -************************************************************************************************************** -* READ BE 16U -* -* Description: This function is used to read an unsigned short integer from a charecter buffer in the platform -* containing big endian processor -* -* Arguments : pmem Pointer to the charecter buffer -* -* Returns : val Unsigned short integer -* -************************************************************************************************************** -*/ - -USB_INT16U ReadBE16U (volatile USB_INT08U *pmem) -{ - USB_INT16U val = *(USB_INT16U*)pmem; -#ifdef __BIG_ENDIAN - return val; -#else - return __REV16(val); -#endif -} - -/* -************************************************************************************************************** -* WRITE BE 16U -* -* Description: This function is used to write an unsigned short integer into the charecter buffer in the -* platform containing big endian processor -* -* Arguments : pmem Pointer to the charecter buffer -* val Value to be placed in the charecter buffer -* -* Returns : None -* -************************************************************************************************************** -*/ - -void WriteBE16U (volatile USB_INT08U *pmem, - USB_INT16U val) -{ -#ifdef __BIG_ENDIAN - *(USB_INT16U*)pmem = val; -#else - *(USB_INT16U*)pmem = (__REV16(val) & 0xFFFF); -#endif -}
--- a/USBHostLite/usbhost_lpc17xx.h Fri Oct 11 02:34:51 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,254 +0,0 @@ -/* -************************************************************************************************************** -* NXP USB Host Stack -* -* (c) Copyright 2008, NXP SemiConductors -* (c) Copyright 2008, OnChip Technologies LLC -* All Rights Reserved -* -* www.nxp.com -* www.onchiptech.com -* -* File : usbhost_lpc17xx.h -* Programmer(s) : Ravikanth.P -* Version : -* -************************************************************************************************************** -*/ - -#ifndef USBHOST_LPC17xx_H -#define USBHOST_LPC17xx_H - -/* -************************************************************************************************************** -* INCLUDE HEADER FILES -************************************************************************************************************** -*/ - -#include "usbhost_inc.h" - -/* -************************************************************************************************************** -* PRINT CONFIGURATION -************************************************************************************************************** -*/ - -#define PRINT_ENABLE 0 - -#if PRINT_ENABLE -#define PRINT_Log(...) printf(__VA_ARGS__) -#define PRINT_Err(rc) printf("ERROR: In %s at Line %u - rc = %d\n", __FUNCTION__, __LINE__, rc) - -#else -#define PRINT_Log(...) do {} while(0) -#define PRINT_Err(rc) do {} while(0) - -#endif - -/* -************************************************************************************************************** -* GENERAL DEFINITIONS -************************************************************************************************************** -*/ - -#define DESC_LENGTH(x) x[0] -#define DESC_TYPE(x) x[1] - - -#define HOST_GET_DESCRIPTOR(descType, descIndex, data, length) \ - Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, \ - (descType << 8)|(descIndex), 0, length, data) - -#define HOST_SET_ADDRESS(new_addr) \ - Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_ADDRESS, \ - new_addr, 0, 0, NULL) - -#define USBH_SET_CONFIGURATION(configNum) \ - Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_CONFIGURATION, \ - configNum, 0, 0, NULL) - -#define USBH_SET_INTERFACE(ifNum, altNum) \ - Host_CtrlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, SET_INTERFACE, \ - altNum, ifNum, 0, NULL) - -/* -************************************************************************************************************** -* OHCI OPERATIONAL REGISTER FIELD DEFINITIONS -************************************************************************************************************** -*/ - - /* ------------------ HcControl Register --------------------- */ -#define OR_CONTROL_CLE 0x00000010 -#define OR_CONTROL_BLE 0x00000020 -#define OR_CONTROL_HCFS 0x000000C0 -#define OR_CONTROL_HC_OPER 0x00000080 - /* ----------------- HcCommandStatus Register ----------------- */ -#define OR_CMD_STATUS_HCR 0x00000001 -#define OR_CMD_STATUS_CLF 0x00000002 -#define OR_CMD_STATUS_BLF 0x00000004 - /* --------------- HcInterruptStatus Register ----------------- */ -#define OR_INTR_STATUS_WDH 0x00000002 -#define OR_INTR_STATUS_RHSC 0x00000040 - /* --------------- HcInterruptEnable Register ----------------- */ -#define OR_INTR_ENABLE_WDH 0x00000002 -#define OR_INTR_ENABLE_RHSC 0x00000040 -#define OR_INTR_ENABLE_MIE 0x80000000 - /* ---------------- HcRhDescriptorA Register ------------------ */ -#define OR_RH_STATUS_LPSC 0x00010000 -#define OR_RH_STATUS_DRWE 0x00008000 - /* -------------- HcRhPortStatus[1:NDP] Register -------------- */ -#define OR_RH_PORT_CCS 0x00000001 -#define OR_RH_PORT_PRS 0x00000010 -#define OR_RH_PORT_CSC 0x00010000 -#define OR_RH_PORT_PRSC 0x00100000 - - -/* -************************************************************************************************************** -* FRAME INTERVAL -************************************************************************************************************** -*/ - -#define FI 0x2EDF /* 12000 bits per frame (-1) */ -#define DEFAULT_FMINTERVAL ((((6 * (FI - 210)) / 7) << 16) | FI) - -/* -************************************************************************************************************** -* TRANSFER DESCRIPTOR CONTROL FIELDS -************************************************************************************************************** -*/ - -#define TD_ROUNDING (USB_INT32U) (0x00040000) /* Buffer Rounding */ -#define TD_SETUP (USB_INT32U)(0) /* Direction of Setup Packet */ -#define TD_IN (USB_INT32U)(0x00100000) /* Direction In */ -#define TD_OUT (USB_INT32U)(0x00080000) /* Direction Out */ -#define TD_DELAY_INT(x) (USB_INT32U)((x) << 21) /* Delay Interrupt */ -#define TD_TOGGLE_0 (USB_INT32U)(0x02000000) /* Toggle 0 */ -#define TD_TOGGLE_1 (USB_INT32U)(0x03000000) /* Toggle 1 */ -#define TD_CC (USB_INT32U)(0xF0000000) /* Completion Code */ - -/* -************************************************************************************************************** -* USB STANDARD REQUEST DEFINITIONS -************************************************************************************************************** -*/ - -#define USB_DESCRIPTOR_TYPE_DEVICE 1 -#define USB_DESCRIPTOR_TYPE_CONFIGURATION 2 -#define USB_DESCRIPTOR_TYPE_INTERFACE 4 -#define USB_DESCRIPTOR_TYPE_ENDPOINT 5 - /* ----------- Control RequestType Fields ----------- */ -#define USB_DEVICE_TO_HOST 0x80 -#define USB_HOST_TO_DEVICE 0x00 -#define USB_REQUEST_TYPE_CLASS 0x20 -#define USB_RECIPIENT_DEVICE 0x00 -#define USB_RECIPIENT_INTERFACE 0x01 - /* -------------- USB Standard Requests -------------- */ -#define SET_ADDRESS 5 -#define GET_DESCRIPTOR 6 -#define SET_CONFIGURATION 9 -#define SET_INTERFACE 11 - -/* -************************************************************************************************************** -* TYPE DEFINITIONS -************************************************************************************************************** -*/ - -typedef struct hcEd { /* ----------- HostController EndPoint Descriptor ------------- */ - volatile USB_INT32U Control; /* Endpoint descriptor control */ - volatile USB_INT32U TailTd; /* Physical address of tail in Transfer descriptor list */ - volatile USB_INT32U HeadTd; /* Physcial address of head in Transfer descriptor list */ - volatile USB_INT32U Next; /* Physical address of next Endpoint descriptor */ -} HCED; - -typedef struct hcTd { /* ------------ HostController Transfer Descriptor ------------ */ - volatile USB_INT32U Control; /* Transfer descriptor control */ - volatile USB_INT32U CurrBufPtr; /* Physical address of current buffer pointer */ - volatile USB_INT32U Next; /* Physical pointer to next Transfer Descriptor */ - volatile USB_INT32U BufEnd; /* Physical address of end of buffer */ -} HCTD; - -typedef struct hcca { /* ----------- Host Controller Communication Area ------------ */ - volatile USB_INT32U IntTable[32]; /* Interrupt Table */ - volatile USB_INT32U FrameNumber; /* Frame Number */ - volatile USB_INT32U DoneHead; /* Done Head */ - volatile USB_INT08U Reserved[116]; /* Reserved for future use */ - volatile USB_INT08U Unknown[4]; /* Unused */ -} HCCA; - -/* -************************************************************************************************************** -* EXTERN DECLARATIONS -************************************************************************************************************** -*/ - -extern volatile HCED *EDBulkIn; /* BulkIn endpoint descriptor structure */ -extern volatile HCED *EDBulkOut; /* BulkOut endpoint descriptor structure */ -extern volatile HCTD *TDHead; /* Head transfer descriptor structure */ -extern volatile HCTD *TDTail; /* Tail transfer descriptor structure */ -extern volatile USB_INT08U *TDBuffer; /* Current Buffer Pointer of transfer descriptor */ - -/* -************************************************************************************************************** -* FUNCTION PROTOTYPES -************************************************************************************************************** -*/ - -void Host_Init (void); - -extern "C" void USB_IRQHandler(void) __irq; - -USB_INT32S Host_EnumDev (void); - -USB_INT32S Host_ProcessTD(volatile HCED *ed, - volatile USB_INT32U token, - volatile USB_INT08U *buffer, - USB_INT32U buffer_len); - -void Host_DelayUS ( USB_INT32U delay); -void Host_DelayMS ( USB_INT32U delay); - - -void Host_TDInit (volatile HCTD *td); -void Host_EDInit (volatile HCED *ed); -void Host_HCCAInit (volatile HCCA *hcca); - -USB_INT32S Host_CtrlRecv ( USB_INT08U bm_request_type, - USB_INT08U b_request, - USB_INT16U w_value, - USB_INT16U w_index, - USB_INT16U w_length, - volatile USB_INT08U *buffer); - -USB_INT32S Host_CtrlSend ( USB_INT08U bm_request_type, - USB_INT08U b_request, - USB_INT16U w_value, - USB_INT16U w_index, - USB_INT16U w_length, - volatile USB_INT08U *buffer); - -void Host_FillSetup( USB_INT08U bm_request_type, - USB_INT08U b_request, - USB_INT16U w_value, - USB_INT16U w_index, - USB_INT16U w_length); - - -void Host_WDHWait (void); - - -USB_INT32U ReadLE32U (volatile USB_INT08U *pmem); -void WriteLE32U (volatile USB_INT08U *pmem, - USB_INT32U val); -USB_INT16U ReadLE16U (volatile USB_INT08U *pmem); -void WriteLE16U (volatile USB_INT08U *pmem, - USB_INT16U val); -USB_INT32U ReadBE32U (volatile USB_INT08U *pmem); -void WriteBE32U (volatile USB_INT08U *pmem, - USB_INT32U val); -USB_INT16U ReadBE16U (volatile USB_INT08U *pmem); -void WriteBE16U (volatile USB_INT08U *pmem, - USB_INT16U val); - -#endif
--- a/USBHostLite/usbhost_ms.cpp Fri Oct 11 02:34:51 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,455 +0,0 @@ -/* -************************************************************************************************************** -* NXP USB Host Stack -* -* (c) Copyright 2008, NXP SemiConductors -* (c) Copyright 2008, OnChip Technologies LLC -* All Rights Reserved -* -* www.nxp.com -* www.onchiptech.com -* -* File : usbhost_ms.c -* Programmer(s) : Ravikanth.P -* Version : -* -************************************************************************************************************** -*/ - -/* -************************************************************************************************************** -* INCLUDE HEADER FILES -************************************************************************************************************** -*/ - -#include "usbhost_ms.h" - -/* -************************************************************************************************************** -* GLOBAL VARIABLES -************************************************************************************************************** -*/ - -USB_INT32U MS_BlkSize; - -/* -************************************************************************************************************** -* INITIALIZE MASS STORAGE INTERFACE -* -* Description: This function initializes the mass storage interface -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_Init (USB_INT32U *blkSize, USB_INT32U *numBlks, USB_INT08U *inquiryResult) -{ - USB_INT08U retry; - USB_INT32S rc; - - MS_GetMaxLUN(); /* Get maximum logical unit number */ - retry = 80; - while(retry) { - rc = MS_TestUnitReady(); /* Test whether the unit is ready */ - if (rc == OK) { - break; - } - MS_GetSenseInfo(); /* Get sense information */ - retry--; - } - if (rc != OK) { - PRINT_Err(rc); - return (rc); - } - rc = MS_ReadCapacity(numBlks, blkSize); /* Read capacity of the disk */ - MS_BlkSize = *blkSize; // Set global - rc = MS_Inquire (inquiryResult); - return (rc); -} -/* -************************************************************************************************************** -* PARSE THE CONFIGURATION -* -* Description: This function is used to parse the configuration -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_ParseConfiguration (void) -{ - volatile USB_INT08U *desc_ptr; - USB_INT08U ms_int_found; - - - desc_ptr = TDBuffer; - ms_int_found = 0; - - if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION) { - return (ERR_BAD_CONFIGURATION); - } - desc_ptr += desc_ptr[0]; - - while (desc_ptr != TDBuffer + ReadLE16U(&TDBuffer[2])) { - - switch (desc_ptr[1]) { - - case USB_DESCRIPTOR_TYPE_INTERFACE: /* If it is an interface descriptor */ - if (desc_ptr[5] == MASS_STORAGE_CLASS && /* check if the class is mass storage */ - desc_ptr[6] == MASS_STORAGE_SUBCLASS_SCSI && /* check if the subclass is SCSI */ - desc_ptr[7] == MASS_STORAGE_PROTOCOL_BO) { /* check if the protocol is Bulk only */ - ms_int_found = 1; - desc_ptr += desc_ptr[0]; /* Move to next descriptor start */ - } - break; - - case USB_DESCRIPTOR_TYPE_ENDPOINT: /* If it is an endpoint descriptor */ - if ((desc_ptr[3] & 0x03) == 0x02) { /* If it is Bulk endpoint */ - if (desc_ptr[2] & 0x80) { /* If it is In endpoint */ - EDBulkIn->Control = 1 | /* USB address */ - ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */ - (2 << 11) | /* direction */ - (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */ - desc_ptr += desc_ptr[0]; /* Move to next descriptor start */ - } else { /* If it is Out endpoint */ - EDBulkOut->Control = 1 | /* USB address */ - ((desc_ptr[2] & 0x7F) << 7) | /* Endpoint address */ - (1 << 11) | /* direction */ - (ReadLE16U(&desc_ptr[4]) << 16); /* MaxPkt Size */ - desc_ptr += desc_ptr[0]; /* Move to next descriptor start */ - } - } else { /* If it is not bulk end point */ - desc_ptr += desc_ptr[0]; /* Move to next descriptor start */ - } - break; - - default: /* If the descriptor is neither interface nor endpoint */ - desc_ptr += desc_ptr[0]; /* Move to next descriptor start */ - break; - } - } - if (ms_int_found) { - PRINT_Log("Mass Storage device connected\r\n"); - return (OK); - } else { - PRINT_Log("Not a Mass Storage device\r\n"); - return (ERR_NO_MS_INTERFACE); - } -} - -/* -************************************************************************************************************** -* GET MAXIMUM LOGICAL UNIT -* -* Description: This function returns the maximum logical unit from the device -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_GetMaxLUN (void) -{ - USB_INT32S rc; - - - rc = Host_CtrlRecv(USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE, - MS_GET_MAX_LUN_REQ, - 0, - 0, - 1, - TDBuffer); - return (rc); -} - -/* -************************************************************************************************************** -* GET SENSE INFORMATION -* -* Description: This function is used to get sense information from the device -* -* Arguments : None -* -* Returns : OK if Success -* ERROR if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_GetSenseInfo (void) -{ - USB_INT32S rc; - - - Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_REQUEST_SENSE, 6); - rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 18); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE); - if (rc == OK) { - if (TDBuffer[12] != 0) { - rc = ERR_MS_CMD_FAILED; - } - } - } - } - return (rc); -} - -/* -************************************************************************************************************** -* TEST UNIT READY -* -* Description: This function is used to test whether the unit is ready or not -* -* Arguments : None -* -* Returns : OK if Success -* ERROR if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_TestUnitReady (void) -{ - USB_INT32S rc; - - - Fill_MSCommand(0, 0, 0, MS_DATA_DIR_NONE, SCSI_CMD_TEST_UNIT_READY, 6); - rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE); - if (rc == OK) { - if (TDBuffer[12] != 0) { - rc = ERR_MS_CMD_FAILED; - } - } - } - return (rc); -} - -/* -************************************************************************************************************** -* READ CAPACITY -* -* Description: This function is used to read the capacity of the mass storage device -* -* Arguments : None -* -* Returns : OK if Success -* ERROR if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_ReadCapacity (USB_INT32U *numBlks, USB_INT32U *blkSize) -{ - USB_INT32S rc; - - - Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_READ_CAPACITY, 10); - rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, 8); - if (rc == OK) { - if (numBlks) - *numBlks = ReadBE32U(&TDBuffer[0]); - if (blkSize) - *blkSize = ReadBE32U(&TDBuffer[4]); - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE); - if (rc == OK) { - if (TDBuffer[12] != 0) { - rc = ERR_MS_CMD_FAILED; - } - } - } - } - return (rc); -} - - - -USB_INT32S MS_Inquire (USB_INT08U *response) -{ - USB_INT32S rc; - USB_INT32U i; - - Fill_MSCommand(0, 0, 0, MS_DATA_DIR_IN, SCSI_CMD_INQUIRY, 6); - rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, INQUIRY_LENGTH); - if (rc == OK) { - if (response) { - for ( i = 0; i < INQUIRY_LENGTH; i++ ) - *response++ = *TDBuffer++; -#if 0 - MemCpy (response, TDBuffer, INQUIRY_LENGTH); - StrNullTrailingSpace (response->vendorID, SCSI_INQUIRY_VENDORCHARS); - StrNullTrailingSpace (response->productID, SCSI_INQUIRY_PRODUCTCHARS); - StrNullTrailingSpace (response->productRev, SCSI_INQUIRY_REVCHARS); -#endif - } - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE); - if (rc == OK) { - if (TDBuffer[12] != 0) { // bCSWStatus byte - rc = ERR_MS_CMD_FAILED; - } - } - } - } - return (rc); -} - -/* -************************************************************************************************************** -* RECEIVE THE BULK DATA -* -* Description: This function is used to receive the bulk data -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_BulkRecv ( USB_INT32U block_number, - USB_INT16U num_blocks, - volatile USB_INT08U *user_buffer) -{ - USB_INT32S rc; - int i; - volatile USB_INT08U *c = user_buffer; - for (i=0;i<MS_BlkSize*num_blocks;i++) - *c++ = 0; - - - Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_IN, SCSI_CMD_READ_10, 10); - - rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, user_buffer, MS_BlkSize * num_blocks); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE); - if (rc == OK) { - if (TDBuffer[12] != 0) { - rc = ERR_MS_CMD_FAILED; - } - } - } - } - return (rc); -} - -/* -************************************************************************************************************** -* SEND BULK DATA -* -* Description: This function is used to send the bulk data -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -USB_INT32S MS_BulkSend ( USB_INT32U block_number, - USB_INT16U num_blocks, - volatile USB_INT08U *user_buffer) -{ - USB_INT32S rc; - - - Fill_MSCommand(block_number, MS_BlkSize, num_blocks, MS_DATA_DIR_OUT, SCSI_CMD_WRITE_10, 10); - - rc = Host_ProcessTD(EDBulkOut, TD_OUT, TDBuffer, CBW_SIZE); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkOut, TD_OUT, user_buffer, MS_BlkSize * num_blocks); - if (rc == OK) { - rc = Host_ProcessTD(EDBulkIn, TD_IN, TDBuffer, CSW_SIZE); - if (rc == OK) { - if (TDBuffer[12] != 0) { - rc = ERR_MS_CMD_FAILED; - } - } - } - } - return (rc); -} - -/* -************************************************************************************************************** -* FILL MASS STORAGE COMMAND -* -* Description: This function is used to fill the mass storage command -* -* Arguments : None -* -* Returns : OK if Success -* ERR_INVALID_BOOTSIG if Failed -* -************************************************************************************************************** -*/ - -void Fill_MSCommand (USB_INT32U block_number, - USB_INT32U block_size, - USB_INT16U num_blocks, - MS_DATA_DIR direction, - USB_INT08U scsi_cmd, - USB_INT08U scsi_cmd_len) -{ - USB_INT32U data_len; - static USB_INT32U tag_cnt = 0; - USB_INT32U cnt; - - - for (cnt = 0; cnt < CBW_SIZE; cnt++) { - TDBuffer[cnt] = 0; - } - switch(scsi_cmd) { - - case SCSI_CMD_TEST_UNIT_READY: - data_len = 0; - break; - case SCSI_CMD_READ_CAPACITY: - data_len = 8; - break; - case SCSI_CMD_REQUEST_SENSE: - data_len = 18; - break; - case SCSI_CMD_INQUIRY: - data_len = 36; - break; - default: - data_len = block_size * num_blocks; - break; - } - WriteLE32U(TDBuffer, CBW_SIGNATURE); - WriteLE32U(&TDBuffer[4], tag_cnt); - WriteLE32U(&TDBuffer[8], data_len); - TDBuffer[12] = (direction == MS_DATA_DIR_NONE) ? 0 : direction; - TDBuffer[14] = scsi_cmd_len; /* Length of the CBW */ - TDBuffer[15] = scsi_cmd; - if ((scsi_cmd == SCSI_CMD_REQUEST_SENSE) - || (scsi_cmd == SCSI_CMD_INQUIRY)) { - TDBuffer[19] = (USB_INT08U)data_len; - } else { - WriteBE32U(&TDBuffer[17], block_number); - } - WriteBE16U(&TDBuffer[22], num_blocks); -}
--- a/USBHostLite/usbhost_ms.h Fri Oct 11 02:34:51 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,101 +0,0 @@ -/* -************************************************************************************************************** -* NXP USB Host Stack -* -* (c) Copyright 2008, NXP SemiConductors -* (c) Copyright 2008, OnChip Technologies LLC -* All Rights Reserved -* -* www.nxp.com -* www.onchiptech.com -* -* File : usbhost_ms.h -* Programmer(s) : Ravikanth.P -* Version : -* -************************************************************************************************************** -*/ - -#ifndef USBHOST_MS_H -#define USBHOST_MS_H - -/* -************************************************************************************************************** -* INCLUDE HEADER FILES -************************************************************************************************************** -*/ - -#include "usbhost_inc.h" - -/* -************************************************************************************************************** -* MASS STORAGE SPECIFIC DEFINITIONS -************************************************************************************************************** -*/ - -#define MS_GET_MAX_LUN_REQ 0xFE -#define MASS_STORAGE_CLASS 0x08 -#define MASS_STORAGE_SUBCLASS_SCSI 0x06 -#define MASS_STORAGE_PROTOCOL_BO 0x50 - -#define INQUIRY_LENGTH 36 -/* -************************************************************************************************************** -* SCSI SPECIFIC DEFINITIONS -************************************************************************************************************** -*/ - -#define CBW_SIGNATURE 0x43425355 -#define CSW_SIGNATURE 0x53425355 -#define CBW_SIZE 31 -#define CSW_SIZE 13 -#define CSW_CMD_PASSED 0x00 -#define SCSI_CMD_REQUEST_SENSE 0x03 -#define SCSI_CMD_TEST_UNIT_READY 0x00 -#define SCSI_CMD_INQUIRY 0x12 -#define SCSI_CMD_READ_10 0x28 -#define SCSI_CMD_READ_CAPACITY 0x25 -#define SCSI_CMD_WRITE_10 0x2A - -/* -************************************************************************************************************** -* TYPE DEFINITIONS -************************************************************************************************************** -*/ - -typedef enum ms_data_dir { - - MS_DATA_DIR_IN = 0x80, - MS_DATA_DIR_OUT = 0x00, - MS_DATA_DIR_NONE = 0x01 - -} MS_DATA_DIR; - -/* -************************************************************************************************************** -* FUNCTION PROTOTYPES -************************************************************************************************************** -*/ - -USB_INT32S MS_BulkRecv ( USB_INT32U block_number, - USB_INT16U num_blocks, - volatile USB_INT08U *user_buffer); - -USB_INT32S MS_BulkSend ( USB_INT32U block_number, - USB_INT16U num_blocks, - volatile USB_INT08U *user_buffer); -USB_INT32S MS_ParseConfiguration(void); -USB_INT32S MS_TestUnitReady (void); -USB_INT32S MS_ReadCapacity (USB_INT32U *numBlks, USB_INT32U *blkSize); -USB_INT32S MS_GetMaxLUN (void); -USB_INT32S MS_GetSenseInfo (void); -USB_INT32S MS_Init (USB_INT32U *blkSize, USB_INT32U *numBlks, USB_INT08U *inquiryResult); -USB_INT32S MS_Inquire (USB_INT08U *response); - -void Fill_MSCommand ( USB_INT32U block_number, - USB_INT32U block_size, - USB_INT16U num_blocks, - MS_DATA_DIR direction, - USB_INT08U scsi_cmd, - USB_INT08U scsi_cmd_len); -#endif