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This program plays an internet radio audio stream like Shoutcast.
Dependencies: EthernetNetIf mbed HTTPClient
Revision 0:37da71b87d96, committed 2011-03-01
- Comitter:
- parik
- Date:
- Tue Mar 01 06:22:50 2011 +0000
- Commit message:
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf.lib Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mamezu/code/EthernetNetIf/#0f6c82fcde82
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FATFileSystem.lib Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_unsupported/code/fatfilesystem/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTTPClient.lib Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mamezu/code/HTTPClient/#62fac7f06c8d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MSCFileSystem.cpp Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,113 @@ +/* USB Mass Storage device file system + * Copyrigh (c) 2010, Igor Skochinsky + * based on SDFileStorage + * Copyright (c) 2008-2009, sford + */ + +/* Introduction + * ------------ + * TODO: write one + * we're basically using NXP's USBHotLite sample code, just plugging in our own FAT library + */ + +#include "MSCFileSystem.h" +#include "usbhost_inc.h" + +MSCFileSystem::MSCFileSystem(const char* name) : + FATFileSystem(name) +{ +} + +void print_inquiry(USB_INT08U *inqReply) +{ + // see USB Mass Storage Class – UFI Command Specification, + // 4.2 INQUIRY Command + printf("Inquiry reply:\n"); + uint8_t tmp = inqReply[0]&0x1F; + printf("Peripheral device type: %02Xh\n", tmp); + if ( tmp == 0 ) + printf("\t- Direct access (floppy)\n"); + else if ( tmp == 0x1F ) + printf("\t- none (no FDD connected)\n"); + else + printf("\t- unknown type\n"); + tmp = inqReply[1] >> 7; + printf("Removable Media Bit: %d\n", tmp); + tmp = inqReply[2] & 3; + printf("ANSI Version: %02Xh\n", tmp); + if ( tmp != 0 ) + printf("\t- warning! must be 0\n"); + tmp = (inqReply[2]>>3) & 3; + printf("ECMA Version: %02Xh\n", tmp); + if ( tmp != 0 ) + printf("\t- warning! should be 0\n"); + tmp = inqReply[2]>>6; + printf("ISO Version: %02Xh\n", tmp); + if ( tmp != 0 ) + printf("\t- warning! should be 0\n"); + tmp = inqReply[3] & 0xF; + printf("Response Data Format: %02Xh\n", tmp); + if ( tmp != 1 ) + printf("\t- warning! should be 1\n"); + tmp = inqReply[4]; + printf("Additional length: %02Xh\n", tmp); + if ( tmp != 0x1F ) + printf("\t- warning! should be 1Fh\n"); + printf("Vendor Information: '%.8s'\n", &inqReply[8]); + printf("Product Identification: '%.16s'\n", &inqReply[16]); + printf("Product Revision: '%.4s'\n", &inqReply[32]); +} + +int MSCFileSystem::initialise_msc() +{ + USB_INT32S rc; + USB_INT08U inquiryResult[INQUIRY_LENGTH]; + + //print_clock(); + Host_Init(); /* Initialize the host controller */ + rc = Host_EnumDev(); /* Enumerate the device connected */ + if (rc != OK) + { + fprintf(stderr, "Could not enumerate device: %d\n", rc); + return rc; + } + + + /* Initialize the mass storage and scsi interfaces */ + rc = MS_Init( &_blkSize, &_numBlks, inquiryResult ); + if (rc != OK) + { + fprintf(stderr, "Could not initialize mass storage interface: %d\n", rc); + return rc; + } + printf("Successfully initialized mass storage interface; %d blocks of size %d\n", _numBlks, _blkSize); + print_inquiry(inquiryResult); + // FATFileSystem supports only 512-byte blocks + return _blkSize == 512 ? OK : 1; +} + +int MSCFileSystem::disk_initialize() +{ + if ( initialise_msc() != OK ) + return 1; + + return 0; +} + +int MSCFileSystem::disk_write(const char *buffer, int block_number) +{ + if ( OK == MS_BulkSend(block_number, 1, (USB_INT08U *)buffer) ) + return 0; + return 1; +} + +int MSCFileSystem::disk_read(char *buffer, int block_number) +{ + if ( OK == MS_BulkRecv(block_number, 1, (USB_INT08U *)buffer) ) + return 0; + return 1; +} + +int MSCFileSystem::disk_status() { return 0; } +int MSCFileSystem::disk_sync() { return 0; } +int MSCFileSystem::disk_sectors() { return _numBlks; }
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MSCFileSystem.h Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,49 @@ +/* USB Mass Storage device file system + * Copyrigh (c) 2010, Igor Skochinsky + * based on SDFileStorage + * Copyright (c) 2008-2009, sford + */ + +#ifndef MSCFILESYSTEM_H +#define MSCFILESYSTEM_H + +#include "mbed.h" +#include "FATFileSystem.h" + +/* Class: MSCFileSystem + * Access the filesystem on an attached USB mass storage device (e.g. a memory stick) + * + * Example: + * > MSCFileSystem msc("msc"); + * > + * > int main() { + * > FILE *fp = fopen("/msc/myfile.txt", "w"); + * > fprintf(fp, "Hello World!\n"); + * > fclose(fp); + * > } + */ +class MSCFileSystem : public FATFileSystem { +public: + + /* Constructor: MSCFileSystem + * Create the File System for accessing a USB mass storage device + * + * Parameters: + * name - The name used to access the filesystem + */ + MSCFileSystem(const char* name); + virtual int disk_initialize(); + virtual int disk_write(const char *buffer, int block_number); + virtual int disk_read(char *buffer, int block_number); + virtual int disk_status(); + virtual int disk_sync(); + virtual int disk_sectors(); + +protected: + + int initialise_msc(); + uint32_t _numBlks; + uint32_t _blkSize; +}; + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_cpu.h Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,35 @@ +/* +************************************************************************************************************** +* 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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_err.h Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,63 @@ +/* +************************************************************************************************************** +* 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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_inc.h Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,39 @@ +/* +************************************************************************************************************** +* 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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_lpc17xx.c Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,820 @@ +/* +************************************************************************************************************** +* 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\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\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\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)?\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)?\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\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 +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_lpc17xx.h Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,254 @@ +/* +************************************************************************************************************** +* 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 1 + +#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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_ms.c Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,455 @@ +/* +************************************************************************************************************** +* 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\n"); + return (OK); + } else { + PRINT_Log("Not a Mass Storage device\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); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostLite/usbhost_ms.h Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,101 @@ +/* +************************************************************************************************************** +* 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
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/VS1002.cpp Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,208 @@ + + +#include "VS1002.h" +#include "mbed.h" +#include "MSCFileSystem.h" + + +/* ================================================================== + * Constructor + * =================================================================*/ + +VS1002::VS1002(PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst, PinName dreq, PinName dcs, PinName vol) +:_spi(mosi, miso, sck), _CS(cs), _RST(rst), _DREQ(dreq), _DCS(dcs), _VOL(vol) +{ + +} + + +/*=================================================================== + * Functions + *==================================================================*/ + +void VS1002::cs_low(void) +{ + _CS = 0; +} +void VS1002::cs_high(void) +{ + _CS = 1; +} +void VS1002::dcs_low(void) +{ + _DCS = 0; +} +void VS1002::dcs_high(void) +{ + _DCS = 1; +} +void VS1002::sci_en(void) //SCI enable +{ + cs_high(); + dcs_high(); + cs_low(); +} +void VS1002::sci_dis(void) //SCI disable +{ + cs_high(); +} +void VS1002::sdi_en(void) //SDI enable +{ + dcs_high(); + cs_high(); + dcs_low(); +} +void VS1002::sdi_dis(void) //SDI disable +{ + dcs_high(); +} +void VS1002::reset(void) //hardware reset +{ + wait(0.01); + _RST = 0; + wait(0.01); + _RST = 1; + wait(0.10); +} +void VS1002::power_down(void) //hardware and software reset +{ + cs_low(); + reset(); + sci_write(0x00, SM_PDOWN); + wait(0.01); + reset(); +} +void VS1002::sci_initialise(void) +{ + _RST = 1; //no reset + _spi.format(8,0); //spi 8bit interface, steady state low + _spi.frequency(1000000); //rising edge data record, freq. 1Mhz + + cs_low(); + for(int i=0; i<4; i++) + { + _spi.write(0xFF); //clock the chip a bit + } + cs_high(); + dcs_high(); + wait_us(5); +} +void VS1002::sdi_initialise(void) +{ + _spi.format(8,0); + _spi.frequency(7000000); //set to 7MHz + + cs_high(); + dcs_high(); +} +void VS1002::sci_write(unsigned char address, unsigned short int data) +{ + sci_en(); //enables SCI/disables SDI + + while(!_DREQ); //wait unitl data request is high + _spi.write(0x02); //SCI write + _spi.write(address); //register address + _spi.write((data >> 8) & 0xFF); //write out first half of data word + _spi.write(data & 0xFF); //write out second half of data word + + sci_dis(); //enables SDI/disables SCI + wait_us(5); +} +void VS1002::sdi_write(unsigned char datum) +{ + sdi_en(); + + while(!_DREQ); + _spi.write(datum); + + sci_dis(); +} +unsigned short int VS1002::read(unsigned short int address) +{ + cs_low(); //enables SCI/disables SDI + + while(!_DREQ); //wait unitl data request is high + _spi.write(0x03); //SCI write + _spi.write(address); //register address + unsigned short int received = _spi.write(0x00); //write out dummy byte + received <<= 8; + received += _spi.write(0x00); //write out dummy byte + + cs_high(); //enables SDI/disables SCI + + return received; //return received word +} +void VS1002::sine_test_activate(unsigned char wave) +{ + cs_high(); //enables SDI/disables SCI + + while(!_DREQ); //wait unitl data request is high + _spi.write(0x53); //SDI write + _spi.write(0xEF); //SDI write + _spi.write(0x6E); //SDI write + _spi.write(wave); //SDI write + _spi.write(0x00); //filler byte + _spi.write(0x00); //filler byte + _spi.write(0x00); //filler byte + _spi.write(0x00); //filler byte + + cs_low(); //enables SCI/disables SDI +} +void VS1002::sine_test_deactivate(void) +{ + cs_high(); + + while(!_DREQ); + _spi.write(0x45); //SDI write + _spi.write(0x78); //SDI write + _spi.write(0x69); //SDI write + _spi.write(0x74); //SDI write + _spi.write(0x00); //filler byte + _spi.write(0x00); //filler byte + _spi.write(0x00); //filler byte + _spi.write(0x00); //filler byte +} +void VS1002::volume(void) +{ + unsigned char volumize = (_VOL * 255); + while(!_DREQ); + + unsigned short int attenuation = ((256 * volumize) + volumize); + sci_write(0x0B, attenuation); +} + + +//Play the mp3 file from the USB filesystem (stream.mp3 on usb system) +void VS1002::play_song() +{ + + + /*====== File Transfer ======*/ + + FILE *song; + unsigned char array[512]; + song = fopen("/msc/stream.mp3", "rb"); + + if(!song) + { + exit(1); + } + + while(!feof(song)) + { + fread(&array, 1, 512, song); + for(int i=0; i<512; i++) + { + sdi_write(array[i]); + } + volume(); + } + for(int n=0; n<2048; n++) + { + sdi_write(0x00); + } + fclose(song); + + +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/VS1002.h Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,71 @@ +#ifndef VS1002_H +#define VS1002_H + +//#define FS_ONLY +#define FIXED_VOL + +#include "mbed.h" +//#include "SDFileSystem.h" +#include "string" +#include "string.h" + +//SCI_MODE register bits as of p.26 of the datasheet +#define SM_DIFF 0x0001 +#define SM_SETTOZERO 0x0002 +#define SM_RESET 0x0004 +#define SM_OUTOFWAV 0x0008 +#define SM_PDOWN 0x0010 +#define SM_TESTS 0x0020 +#define SM_STREAM 0x0040 +#define SM_PLUSV 0x0080 +#define SM_DACT 0x0100 +#define SM_SDIORD 0x0200 +#define SM_SDISHARE 0x0400 +#define SM_SDINEW 0x0800 +#define SM_ADPCM 0x1000 +#define SM_ADPCM_HP 0x2000 + + +class VS1002 { + +public: +// VS1002(int _mmosi, int _mmiso, int _ssck, int _ccs, const char* _name, +// int _mosi, int _miso, int _sck, int _cs, int _rst, int _dreq, int _dcs, int _vol); + VS1002( PinName _mosi, PinName _miso, PinName _sck, PinName _cs, PinName _rst, PinName _dreq, + PinName _dcs, PinName _vol); + + void cs_low(void); + void cs_high(void); + void dcs_low(void); + void dcs_high(void); + void sci_en(void); + void sci_dis(void); + void sdi_en(void); + void sdi_dis(void); + + void sci_initialise(void); + void sdi_initialise(void); + void reset(void); + void power_down(void); + + void sci_write(unsigned char, unsigned short int); + void sdi_write(unsigned char); + unsigned short int read(unsigned short int); + void sine_test_activate(unsigned char); + void volume(void); + void sine_test_deactivate(void); + void play_song(void); + int num_of_files; + + DigitalIn _DREQ; + DigitalOut _RST; + AnalogIn _VOL; + +protected: + + SPI _spi; + DigitalOut _CS; + DigitalOut _DCS; + +}; +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,305 @@ + +#include "mbed.h" +#include "VS1002.h" +#include "EthernetNetIf.h" +#include "HTTPClient.h" +#include "TCPSocket.h" +#include "MSCFileSystem.h" + +#define SBUFSIZE (1024*4) +//Select the time to play 1000 k of data in this case +#define MAXSIZE (250*1000) + +// PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst, +// PinName dreq, PinName dcs, PinName vol) +VS1002 mp3(p11, p12, p13, p14, p15,p16, p17, p20); + +//Print or debug on the serail port/hyperterminal +Serial pc(USBTX,USBRX); +EthernetNetIf eth; + +//TCP socket to connectto server,receive data +TCPSocket sock; + + +char sResponse[800]; // keeps Stream Response +char sMetadata[200]; // keeps Stream Metadata +char sPrevMetadata[200]; // keeps Previous Stream Metadata +int metaint=0; // metadate interval + +// client state + enum wSTATE{NOP,PUT_HEADER} WriteState; + enum rSTATE{GET_RESPONSE,GET_STREAM} ReadState; + +char inbuf[2048]; // IP input buffer +char* cp; +// stream +int slen; // stream length +unsigned long int tlen=0; // total lenth of downloaded file + + +//Buffer the data to a file on flash drive +FILE *fp; +MSCFileSystem msc("msc"); + +//Create a file on the flash drive for writing +void CreateFile () +{ +fp = fopen("/msc/stream.mp3", "wb"); +} + +//Write the mp3 data to the file created +void WriteFile(unsigned char sbyte) +{ +unsigned char wc=sbyte; +fwrite(&wc,1,1,fp); +tlen++; +if (tlen==MAXSIZE) +{ +fclose(fp); +//Play the file +mp3.play_song(); +//Loop and read the next stream of data +tlen=0; +CreateFile(); +} +} + +class RingBuffer +{ + protected: + unsigned char *buffer; + int buffersize; + int rp; // read index + int wp; // write index + + + public: + RingBuffer(int bufsiz) + { + buffersize = bufsiz; + + buffer = new unsigned char[buffersize]; + // memset(buffer, 0, sizeof(char) * buffersize); + // reset pointer to make empty + rp = 0; + wp = 0; + }; + + ~RingBuffer(void) + { + delete[] buffer; + }; + + int GetByte(unsigned char *cp); + int PutByte(unsigned char c); + int IsEmpty(void); + }; + + + int RingBuffer::GetByte(unsigned char *cp ) + { + if( rp != wp ) { // not empty + *cp = buffer[rp]; + rp = (rp + 1) % buffersize; + return 0; + } else { // empty + return -1; + } + } + +int RingBuffer::PutByte(unsigned char c ) + { + int next = (wp + 1) % buffersize; + if( next == rp ) { + pc.printf("*** Buffer Full ***\r\n" ); + // printf("*");//debug + return -1; + } + buffer[wp] = c; + wp = next; + return 0; + } + +int RingBuffer::IsEmpty(void) + { + return (rp==wp)?(true):(false); + } + +RingBuffer sbuf(SBUFSIZE); + + +//Check for appropriate event by polling network stack and handle +void onTCPSocketEvent(TCPSocketEvent e) +{ + int i,len; + switch (e) + { + case TCPSOCKET_CONNECTED: + pc.printf("TCP Socket Connected\r\n"); // this printf disturb socket work correctly +// break; // we must comment out ? + case TCPSOCKET_WRITEABLE: + switch (WriteState) + { + case PUT_HEADER: + //Can now write some data... + const char* str = + "GET /stream/1074 HTTP/1.0\r\n" + "Host: gw\r\n" + "Accept: */*\r\n" + "User-Agent: mbed\r\n" + #ifdef METADATA + "Icy-MetaData: 1\r\n" // send this if you want Metadata + #endif + //"Connection: close\r\n" + "\r\n" + ; + sock.send(str, strlen(str)); + pc.printf("\r\nHEADER:\r\n%s\r\n", str); // display PUT_HEADER + WriteState=NOP; + ReadState=GET_RESPONSE; + break; + case NOP: + break; + } + break; + case TCPSOCKET_READABLE: + //Can now read some data... + switch(ReadState) + { + case GET_RESPONSE: + len=sock.recv(inbuf, sizeof inbuf); + cp=strstr(inbuf,"\r\n\r\n"); + if (cp==NULL) + { + inbuf[len]=0; + // printf("%s",inbuf); // debug + sprintf(sResponse,"%s",inbuf); + return; // still read response again + } + // + *cp=0; + sprintf(sResponse+strlen(sResponse),"%s\r\n\r\n",inbuf); + pc.printf("RESPONSE:\r\n%s",sResponse); + // get metaint value + cp=strstr(sResponse,"icy-metaint:"); + if (cp==NULL) metaint=0; else sscanf(cp+strlen("icy-metaint:"),"%d",&metaint); + pc.printf("\r\nmetaint: %d\r\n\r\n",metaint); //debug + // + i=strlen(inbuf)+4; // bump bitstream right after response + ReadState=GET_STREAM; + CreateFile(); + + // + while(i<len) { + // write one bye + sbuf.PutByte(inbuf[i]);i++; + }; + return; + break; + + case GET_STREAM: + // receive data ****repeatedly**** + //pc.printf("Stream receiving\n"); + while(len=sock.recv(inbuf, sizeof inbuf)) { + i=0; + // save len bytes + while (i<len) { + + WriteFile(inbuf[i]); + i++; + } + + //pc.printf("%s\n",inbuf); + + } // while (len=sock...) + return; // get more stream + break; + // + } // switch (ReadState) + break;// + case TCPSOCKET_CONTIMEOUT: + pc.printf("TCP Socket Timeout\r\n"); + break; + case TCPSOCKET_CONRST: + pc.printf("TCP Socket CONRST\r\n"); + break; + case TCPSOCKET_CONABRT: + pc.printf("TCP Socket CONABRT\r\n"); + pc.printf("Maybe Server Down...\r\n"); + break; + case TCPSOCKET_ERROR: + pc.printf("TCP Socket Error\r\n"); + break; + case TCPSOCKET_DISCONNECTED: + //Close socket... + pc.printf("TCP Socket Disconnected\r\n"); + sock.close(); + break; + }// switch(e) + } + + + +int main () { + + + /*============================================================ + * MP3 Initialising + *==========================================================*/ +#ifndef FS_ONLY + mp3._RST = 1; + mp3.cs_high(); //chip disabled + mp3.sci_initialise(); //initialise MBED + mp3.sci_write(0x00,(SM_SDINEW+SM_STREAM+SM_DIFF)); + mp3.sci_write(0x03, 0x9800); + mp3.sdi_initialise(); +#endif + + /*================================================================ + Networking setup + ==================================================================*/ + + pc.printf("Start\n"); + + pc.printf("Setting up...\n"); + EthernetErr ethErr = eth.setup(); + if(ethErr) + { + pc.printf("Error %d in setup.\n", ethErr); + return -1; + } + pc.printf("Setup OK\n"); + + sprintf(sMetadata,"StreamTitle='Currently, Unknown';"); + sprintf(sPrevMetadata,""); + +// Init State for Read/Write + ReadState=GET_RESPONSE; + WriteState=PUT_HEADER; + + //Host server(IpAddr(208,80,55,219), 10012); + //208.80.55.219 + + Host server(IpAddr(205,188,234,1),80); //IP 205.188.234.1 ,Port 80 + //http://scfire-dtc-aa01.stream.aol.com:80/stream/1074 (205,188,234,1) + + + // display IP address and port# of server + IpAddr serverIp = server.getIp(); + int port = server.getPort(); + + pc.printf("Connecting... %d.%d.%d.%d:%d\r\n", serverIp[0],serverIp[1],serverIp[2],serverIp[3],port); + TCPSocketErr bindErr = sock.connect(server); + pc.printf("Connected\n"); + sock.setOnEvent(&onTCPSocketEvent); + + +//Poll the networking stack + while (true) + { + Net::poll(); + + } + +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Mar 01 06:22:50 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912