V
Dependencies: mbed FatFileSystemCpp TextLCD
Revision 2:73cbcff90232, committed 2019-08-12
- Comitter:
- bertonieto
- Date:
- Mon Aug 12 21:54:14 2019 +0000
- Parent:
- 1:93d8becc35f9
- Commit message:
- Export new
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FatFileSystem.lib Mon Aug 12 21:54:14 2019 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/igorsk/code/FatFileSystemCpp/#88f22c32a456
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MSCFileSystem.cpp Mon Aug 12 21:54:14 2019 +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 Mon Aug 12 21:54:14 2019 +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 Mon Aug 12 21:54:14 2019 +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 Mon Aug 12 21:54:14 2019 +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 Mon Aug 12 21:54:14 2019 +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.cpp Mon Aug 12 21:54:14 2019 +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 Mon Aug 12 21:54:14 2019 +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.cpp Mon Aug 12 21:54:14 2019 +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 Mon Aug 12 21:54:14 2019 +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
--- a/main.cpp Wed May 25 16:11:32 2016 +0000 +++ b/main.cpp Mon Aug 12 21:54:14 2019 +0000 @@ -1,52 +1,563 @@ #include "mbed.h" #include "TextLCD.h" #include <string> +#include "MSCFileSystem.h" -//ZONA DE PRUEBAS +#define FSNAME "msc" + +MSCFileSystem msc(FSNAME); -//definimos la bascula para despues obtener el peso +LocalFileSystem local("local"); + +int saleBicho; +//definimos la bascula para despues obtener el peso Serial serialBascula(p9, p10); //Tx,Rx +Serial serialBt(p13, p14); -//Iniciamos I2C Communication -I2C i2c_lcd(p28,p27); // SDA, SCL -TextLCD_I2C lcd(&i2c_lcd, 0x4E, TextLCD::LCD16x2, TextLCD::HD44780); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type +Serial pc(USBTX, USBRX); + +//Led que usamos para ver si leeemos +DigitalOut led3(LED3); + +//Definimos los LED +DigitalOut ledAux1(p15); +DigitalOut ledAux2(p29); +DigitalOut ledAux3(p30); +DigitalOut ledManual(p16); //Led de estado manual por defecto apagado +DigitalOut ledEntrada(p17); //Led de puerta de entrada por defecto apagado +DigitalOut ledSalida(p18); //Led de puerta de salida +DigitalOut ledIzquierda(p19); //Led de puerta Izquierda +DigitalOut ledDerecha(p20); //Led de puerta Derecha + +//Definimos las entradas +DigitalIn manual(p21); //Botón Manual +DigitalIn entrada(p5); //Botón Entrada +DigitalIn salida(p6); //Botón Salida +DigitalIn izquierda(p7); //Botón Izquierda +DigitalIn derecha(p8); //Botón Derecha +DigitalIn masMax(p22); //Botón Sumar Peso Max +DigitalIn menosMax(p23); //Botón Restar Peso Max +DigitalIn masMin(p24); //Botón Sumar Peso Min +DigitalIn menosMin(p25); //Botón Restar Peso Min + +DigitalIn sensorPiston(p26); //Sensor Piston +DigitalIn presenciaEntrada(p11); //Sensor Entrada +DigitalIn btnBT(p12); //Se cambia por lo de ABAJO +//DigitalIn presenciaSalida(p12); //Sensor Salida --> se cambia a btnBT + +int btnBTBorra=0; + +//Escribimos los datos del archivo de los pesos en el MBED en el puerto serie para que pase por el BT +void esBT() +{ + char buf[20480]; + memset(buf,'\0',20480); + + FILE *f = NULL; + f = fopen("/local/PESOS.txt", "r"); + + if(f==NULL) { + serialBt.printf("Problema con el BT\r\n"); + } + size_t br; + + while((br=fread(buf,1,20480,f))!=0) { + serialBt.printf(buf); + serialBt.printf("\r\n"); + serialBt.printf("FIN PESOS------------\r\n"); + } + fclose(f); + + wait(1); + + memset(buf,'\0',20480); + + f = fopen("/local/TOTAL.txt", "r"); + + if(f==NULL) { + serialBt.printf("Problema con el BT\r\n"); + } + + while((br=fread(buf,1,20480,f))!=0) { + serialBt.printf("TOTAL: "); + serialBt.printf(buf); + serialBt.printf("\r\n"); + + } + fclose(f); + + wait(1); + + memset(buf,'\0',20480); + + f = fopen("/local/PINTA.txt", "r"); + + if(f==NULL) { + serialBt.printf("Problema con el BT\r\n"); + } + + while((br=fread(buf,1,20480,f))!=0) { + serialBt.printf("PINTADOS: "); + serialBt.printf(buf); + serialBt.printf("\r\n"); + + } + fclose(f); + + wait(1); + + + memset(buf,'\0',20480); + + f = fopen("/local/CLASIF.txt", "r"); + + if(f==NULL) { + serialBt.printf("Problema con el BT\r\n"); + } + + while((br=fread(buf,1,20480,f))!=0) { + serialBt.printf("CLASIFICADOS: "); + serialBt.printf(buf); + serialBt.printf("\r\n"); + + } + fclose(f); + wait(1); +} +//escribir los pesos en el archivo correspondiente PESOS.txt -------------------------------------------------------- +void escribirPesos(int i) +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/PESOS.txt", "a"); // Open "out.txt" on the local file system for writing + fprintf(fp, "%d \r\n", i); + fclose(fp); + } + +void borrarPesos() +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/PESOS.txt", "w"); // Open "out.txt" on the local file system for writing + fprintf(fp, ""); + fclose(fp); + } + +int leeTotal() +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/TOTAL.txt", "r"); // Open "out.txt" on the local file system for writing + char buffer [10]; + int total; + fgets(buffer,10,fp); + fclose(fp); + total=atoi(buffer); + return total; +} + + +void escribeTotal(int i) +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/TOTAL.txt", "w"); // Open "out.txt" on the local file system for writing + char buffer [10]; + sprintf (buffer, "%d", i); + fprintf(fp, buffer); + fclose(fp); +} + +int leeClasificados() +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/CLASIF.txt", "r"); // Open "out.txt" on the local file system for writing + char buffer [10]; + int clasificados; + fgets(buffer,10,fp); + fclose(fp); + clasificados=atoi(buffer); + return clasificados; +} + + +void escribeClasificados(int i) +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/CLASIF.txt", "w"); // Open "out.txt" on the local file system for writing + char buffer [10]; + sprintf (buffer, "%d", i); + fprintf(fp, buffer); + fclose(fp); +} + +int leePintados() +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/PINTA.txt", "r"); // Open "out.txt" on the local file system for writing + char buffer [10]; + int pintados; + fgets(buffer,10,fp); + fclose(fp); + pintados=atoi(buffer); + return pintados; +} + + +void escribePintados(int i) +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/PINTA.txt", "w"); // Open "out.txt" on the local file system for writing + char buffer [10]; + sprintf (buffer, "%d", i); + fprintf(fp, buffer); + fclose(fp); +} + +//Escribimos en el USB +void escribirUSB(int peso) +{ + FILE *fp = fopen( "/" FSNAME "/basculapesos.txt", "a"); + fprintf(fp, "%d \r\n", peso); + fclose(fp); + } + +//Iniciamos los led auxiliares. +void iniciaAux() +{ + ledAux1 = 0; + ledAux2 = 0; + ledAux3 = 0; + } +//leemos de memoria flash la variable del peso minimo de clasificacion. +int leeMinMem() +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/MIN", "r"); // Open "out.txt" on the local file system for writing + char buffer [10]; + int minim; + fgets(buffer,10,fp); + fclose(fp); + minim=atoi(buffer); + return minim; + } + +//leemos de memoria flash la variable del peso maximo de clasificacion. +int leeMaxMem() +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp1 = fopen("/local/MAX", "r"); // Open "out.txt" on the local file system for writing + char buffer1 [10]; + int max; + fgets(buffer1,10,fp1); + fclose(fp1); + max=atoi(buffer1); + return max; + } + +//Iniciamos pesos Max y Min +int pesoMax = leeMaxMem(); +int pesoMin = leeMinMem(); + +//Iniciamos total de pesos +int total=leeTotal(); +int clasificados=leeClasificados(); +int pintados=leePintados(); + + +//Iniciamos I2C Communication +I2C i2c_lcd(p28,p27); // SDA, SCL +TextLCD_I2C lcd(&i2c_lcd, 0x4E, TextLCD::LCD16x2, TextLCD::HD44780); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type //Iniciamos el LCD. -void iniciaLCD(){ +void iniciaLCD() +{ lcd.setMode(TextLCD::DispOn); //DispOff, DispOn lcd.setBacklight(TextLCD::LightOff);//LightOff, LightOn lcd.setCursor(TextLCD::CurOff_BlkOff);//CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn +} + +//Pintamos en el LCD linea 1. +void pintaLCD1(bool manual){ + if (manual){ + lcd.locate(0,0); + lcd.printf(" MANUAL "); + + } + else{ + lcd.locate(0,0); + lcd.printf("Salida1 Salida2"); + } } + +//Pintamos en el LCD linea 2. +void pintaLCD2(){ + lcd.locate(0,1); + lcd.printf("<%dKg. ", pesoMin); + lcd.locate(7,1); + lcd.printf(" >%dKg.", pesoMax); +} int leerPeso(){ - char buffer1[100]; - string pesoss; - int ipesoss; - serialBascula.printf("2005002D:<CR><LF>\n"); //\r\n - if (serialBascula.readable()==true){ - //serialBascula.gets(buffer1,20); - pesoss = serialBascula.gets(buffer1,40); - pesoss = pesoss.substr(10,4); - strcpy(buffer1, pesoss.c_str()); - ipesoss = atoi(buffer1); - } - return ipesoss; + char buffer1[30]; + string pesoss =""; + int ipesoss =0; + serialBascula.printf("2005002D:<CR><LF>\n"); //\r\n 2005002D:<CR><LF>\n + + pesoss = serialBascula.gets(buffer1,30); + if (buffer1[0]=='9'){ + pesoss = pesoss.substr(11,3); + ipesoss = atoi(pesoss.c_str()); + } + + return ipesoss; +} + +void escribeMaxMem(int i) +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/max", "w"); // Open "out.txt" on the local file system for writing + char buffer [10]; + sprintf (buffer, "%d", i); + fprintf(fp, buffer); + fclose(fp); } +void escribeMinMem(int i) +{ + LocalFileSystem local("local"); // Create the local filesystem under the name "local" + FILE *fp = fopen("/local/min", "w"); // Open "out.txt" on the local file system for writing + char buffer [10]; + sprintf (buffer, "%d", i); + fprintf(fp, buffer); + fclose(fp); + } +void BtBorraArchivos() +{ + //TODO Borramos todos los archivos para que queden inicializados. + pc.printf("\r\nBORRAMOS TODOS ARCHIVOS\r\n"); + escribeTotal(0); + escribePintados(0); + escribeClasificados(0); + borrarPesos(); + } + +void cambioManual() +{ + if (ledManual == 1){ + //reescribimos el dato en MAX y MIN al volver de manual por si se ha cambiado + escribeMaxMem(pesoMax); + escribeMinMem(pesoMin); + ledManual = 0; + if (btnBTBorra == 1) + { + BtBorraArchivos(); //borramos los archivos de pesos que hemos rellenado + btnBTBorra = 0; + } + pintaLCD1(0); + wait(0.50); + } + else{ + ledManual = 1; + pintaLCD1(1); + wait(0.50); + } +} + + //Main, aqui ponemos todo el programa. -int main(){ - Serial pc(USBTX, USBRX); +int main() +{ + + pc.printf("INICIANDO..."); + + wait(1); + iniciaLCD(); //Iniciamos el LCD + pintaLCD1(0); + pintaLCD2(); int pesoreal; + + //int estaPesado; //si esta pesado 1, si no esta pesado 0 - while(1){ - pesoreal = leerPeso(); - lcd.locate(5,1); - lcd.printf("%d", pesoreal); - wait(1); + while(1) { + //Modo manual: se pueden cambiar pesos y mover las puertas + while(ledManual == 1) + { + //Compruebo el BT + if(btnBT ==1){ + esBT(); + btnBTBorra=1; //bool para borrar si vuelve a manual. + wait(1); + } + + //Fin de Compruebo el BT + if (manual == 1) + { + cambioManual();} + if (entrada == 1) + { + if(ledEntrada == 1) + { + ledEntrada = 0; + wait(0.50); + } + else + { + ledEntrada = 1; + wait(0.50); + } + } + if (salida == 1) + { + if(ledSalida == 1) + { + ledSalida = 0; + wait(0.50); + } + else + { + ledSalida = 1; + wait(0.50); + } + } + if (izquierda == 1) + { + ledIzquierda = 1; + wait(0.50); + ledIzquierda = 0; + } + if (derecha == 1) + { + if(ledDerecha == 1) + { + ledDerecha = 0; + wait(0.50); + } + else + { + ledDerecha = 1; + wait(0.50); + } + } + if (masMax == 1) + { + if (pesoMax < 2000) + { + pesoMax += 1; + wait(0.10); + pintaLCD2(); + } + } + if (menosMax == 1) + { + if (pesoMax > (pesoMin + 1)) + { + pesoMax -= 1; + wait(0.10); + pintaLCD2(); + } + } + if (masMin == 1) + { + if(pesoMin < (pesoMax - 1)) + { + pesoMin += 1; + wait(0.10); + pintaLCD2(); + } + } + if (menosMin == 1) + {if(pesoMin > 10) + { + pesoMin -= 1; + wait(0.10); + pintaLCD2(); + } + } } - //rfid.printf("20050025:<CR><LF>"); - //pc.printf("%s",rfid.getc()); - //el problema viene cuando se intenta llamar a la funcion que devuelve el peso. a veces da error porque el peso no se puede cast-ear a int. No se poque ocurre este error ni como solventarlo. - //voy a mirar el tema en C++ - } \ No newline at end of file + //empezamos el programa + ledEntrada = 1; + ledSalida = 0; + ledDerecha = 0; + ledIzquierda = 0; + pesoreal = 0; + saleBicho = 0; + if (manual == 1){ + cambioManual(); + } + + //Bucle de entrada a la báscula y funcionamiento real + wait(0.2); + int tiempoSinSensorPiston = 0; + while(presenciaEntrada == 1 && ledManual == 0){ + pc.printf("UNO"); + ledEntrada = 0; + //Se Comprueba que el bicho no ha salido para no mover la puerta de salida + if (saleBicho == 0){ + ledSalida = 0; + } + //Se comprueba que no se cambia a manual + if (manual == 1){cambioManual();} + wait(1); + if(sensorPiston == 1){ + pc.printf("DOS"); + //Tiempo a esperar para que la bascula calcule el liveWeitgh + int tiempoLectura = 0; + //Bucle de espera para obtener el peso (3,5 s) + while(tiempoLectura < 40 && ledManual == 0 && presenciaEntrada == 1){ + wait(0.1); + if (manual == 1){cambioManual();} + tiempoLectura++; + } + if (saleBicho == 0){ + pc.printf("DOS Y MEDIO"); + pesoreal = leerPeso(); + //estaPesado = 1; + //AQUI GUARDO LOS BICHOS EN EL FICHERO PESOS -------------------------------------------------> guardo en el fichero + pc.printf("TRES"); + wait(0.8); + + //} CAMBIO EN ESTE FINAL DEL IF despues de la comprobacion de abajo, para que solo cambie puertas una vez. + //Comprobamos el pero obtenido para clasificar o salir + if (pesoreal < 50000 && ledManual == 0 && presenciaEntrada == 1){ + pc.printf("CUATRo"); + + pc.printf("PESO: %d \r\n",pesoreal); + if (pesoreal > pesoMin && saleBicho == 0){ + ledDerecha = 1; + clasificados += 1; + escribeClasificados(clasificados); + //escribimos el peso real de animales clasificados en el USB + //escribirUSB(pesoreal); + if (pesoreal < pesoMax){ + ledIzquierda = 1; + wait(0.5); + ledIzquierda = 0; + pintados += 1; + escribePintados(pintados); + } + wait(0.50); + } + }//cierro el if de salebicho == 0 + wait(0.1); + if(ledManual == 0){ + ledSalida = 1; + } + saleBicho = 1; + total += 1; + escribeTotal(total); + escribirPesos(pesoreal); + + //escribimos todos los pesos de los animales que pasan en el USB + //escribirUSB(pesoreal); + } + } + //Else del if del sensor del piston + else{ + tiempoSinSensorPiston = tiempoSinSensorPiston +1; + wait(0.5); + if (tiempoSinSensorPiston > 10){ + ledEntrada = 1; + wait(2); + } + } + } + } +} \ No newline at end of file