USB low-full-high speed peripherals Forum Discussions

Hello,

I have interfaced fx2lp with image sensor in slavefifo configuration with CDC usb class.

i have found this document link Flow control in USBUART  in the cypress community.

how can i use XON /XOFF protocols in software/firmware.

I am using fx2lp 56 pin,it doesnot have UART physically.

regards,

geetha.

Hello,

we are implemented CDC class in fx2lp.fx2lp is interfaced with image sensor in slavefifo configuration.we are developing

an android application.we are trying to recieve the image data from the fx2lp through usb (cdc class implemented).

because of contineous data from the usb,our android application.is not able to recieve the correct image data.so we need control

in the fx2lp side.is there any control (software/hardware) to control the flow of data from the fx2lp.

like cts,rts signals?

how to control data flow in the android application?

any control signals are there for the above scenario?

if it is cdc class,is there any tokens/siganls of USB that can acts as a cts or rts(like in uart) flow control signals?

if anything is there reagarding this,let me know.

regards,

geetha.

I have the following board (in attachment). and need help to send data from xilinx to windows application via usb cyrpess cy7c68013a-56pvxc

Hi,

I need a USB 2.0 to audio bridge chip.  Need high quality stereo output and microphone input.  I'd prefer a canned solution.  The

USB 2.0 will interface with a Cypress HX3PD Hub.

Thanks

HI engineer:

I have a demo board where from ADI .It uses CY7C68013A-128AXC to configure AD9517-4(Clock Generators, PLLs, Frequency Synthesizers,SPI interface ).What tool I can use to compile my code. And who can give me example codes? Because I'm a green hand.And how to cofigure FPGA、ADC are also needed.Thank you very much.

I have created a device that takes data generated and returns it to the PC.  The data has a numbered sequence in it to allow us to know if we have data loss.  Sometimes the device works well not dropping any data for long lengths of time.  Other times it will dribble data, this is with the same hardware and same PC and App.  Can you offer any advise as to how to get the data drop to cease?

Hello,

I have a question:

why in CyUSB.dll you have to pass Byte array instead of OVERLAP struct

when call BeginDataXfer and/or FinishDataXfer ?

This increase complexity in develop program ...

Hello Everyone,

I want to communicate with FPGA through FX2 USB using COM PORT. You can see my code( Virtual.c) down here, COM PORTis getting connected but data is not getting transfer.

This is the link of my firmware. i just changed code in "Virtual.c" file.   http://www.cypress.com/documentation/application-notes/an58764-implementing-virtual-com-port-using-fx2lp

Can anyone guide me throgh this?

------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

#pragma NOIV               // Do not generate interrupt vectors

//-----------------------------------------------------------------------------

//   File:      bulkloop.c

//   Contents:   Hooks required to implement USB peripheral function.

//

//   Copyright (c) 2000 Cypress Semiconductor All rights reserved

//-----------------------------------------------------------------------------

#include "fx2.h"

#include "fx2regs.h"

#include "fx2sdly.h" // SYNCDELAY macro

extern BOOL   GotSUD;         // Received setup data flag

extern BOOL   Sleep;

extern BOOL   Rwuen;

extern BOOL   Selfpwr;

xdata volatile unsigned char D3ON         _at_ 0x9800;

xdata volatile unsigned char D3OFF        _at_ 0x9000;

static int x;

unsigned char duk;

static int bcl,i;

xdata volatile unsigned char D5ON         _at_ 0xB800;

xdata volatile unsigned char D5OFF        _at_ 0xB000;

unsigned char dum;

static int z;

extern BYTE xdata LineCode[7] ;

BYTE   Configuration;      // Current configuration

BYTE   AlternateSetting;   // Alternate settings

void display_product(void);

void TD_Poll(void);

//-----------------------------------------------------------------------------

// Task Dispatcher hooks

//   The following hooks are called by the task dispatcher.

//-----------------------------------------------------------------------------

BOOL DR_SetConfiguration();

   BYTE TxByte0,RxByte0;

   BYTE TxByte1,RxByte1;

void transmit(void)// Sends data to SBUF0

{

if (!(EP1OUTCS & 0x02))

{

if(i<bcl)

{

SBUF0=EP1OUTBUF;

i++;

dum=D5ON;

  z^=1;

  if (z)

  {dum=D5OFF;}

}

else

{

EP1OUTBC = 0x04;// Arms EP1 endpoint

}

}

}

void  Serial0Init () // serial UART 0 with Timer 2 in mode 1 or high speed baud rate generator

{

        SCON0  = 0x5A;     // Set Serial Mode = 1, Recieve enable bit = 1

T2CON  = 0x34;     // Int1 is detected on falling edge, Enable Timer0, Set Timer overflow Flag

if ((LineCode[0] == 0x60) && (LineCode[1] == 0x09 ))   // 2400

{

    RCAP2H = 0xFD;       //  Set TH2 value for timer2

RCAP2L = 0x90;  // baud rate is set to 2400 baud

}

   else if ((LineCode[0] == 0xC0) && (LineCode[1] == 0x12 ))   // 4800

{

    RCAP2H = 0xFE;       //  Set TH2 value for timer2

RCAP2L = 0xC8;  // baud rate is set to 4800 baud

}

else if ((LineCode[0] == 0x80) && (LineCode[1] == 0x25 ))   // 9600

{

    RCAP2H = 0xFF;       //  Set TH2 value for timer2

RCAP2L = 0x64;  // baud rate is set to 9600 baud

}

else if ((LineCode[0] == 0x00) && (LineCode[1] == 0x4B ))   // 19200

{

    RCAP2H = 0xFF;       //  Set TH2 value for timer2

RCAP2L = 0xB2;  // baud rate is set to 19200 baud

}

else if ((LineCode[0] == 0x80) && (LineCode[1] == 0x70 ))   // 28800

{

    RCAP2H = 0xFF;       //  Set TH2 value for timer2

RCAP2L = 0xCC;  // baud rate is set to 28800 baud

}

else if ((LineCode[0] == 0x00) && (LineCode[1] == 0x96 ))   // 38400

{

    RCAP2H = 0xFF;       //  Set TH2 value for timer2

RCAP2L = 0xD9;  // baud rate is set to 38400 baud

}

else if ((LineCode[0] == 0x00) && (LineCode[1] == 0xE1 ))   // 57600

{

    RCAP2H = 0xFF;       //  Set TH2 value for timer2

RCAP2L = 0xE6;  // baud rate is set to 57600 baud

}

        else //if ((LineCode[0] == 0x21) && (LineCode[1] == 0x20 ))   // 115200 (LineCode[0] == 0x00) && (LineCode[1] == 0xC2 ))

{

   RCAP2L = 0xF3;

           RCAP2H = 0xFF;

}

TH2    = RCAP2H; //  Upper 8 bit of 16 bit counter to FF

TL2    = RCAP2L; //  value of the lower 8 bits of timer set to baud rate

}

void TD_Init(void)             // Called once at startup

{

// set the CPU clock to 48MHz

     CPUCS = 0x12; //((CPUCS & ~bmCLKSPD) | bmCLKSPD1) ;

   // set the slave FIFO interface to 48MHz

     IFCONFIG |= 0xCB;

     SYNCDELAY;

   //  REVCTL = 0x00;

   //  SYNCDELAY;

     PINFLAGSAB = 0xE0; // FLAGB - EP6FF

     SYNCDELAY;

     PINFLAGSCD = 0x0B; // FLAGC - EP8EF

     SYNCDELAY;

FIFORESET = 0x80; // activate NAK-ALL to avoid race conditions

SYNCDELAY;       // see TRM section 15.14

    FIFORESET = 0x02;             // reset, FIFO 2

    SYNCDELAY;                    //

    FIFORESET = 0x04;             // reset, FIFO 4

    SYNCDELAY;                    //

    FIFORESET = 0x06;             // reset, FIFO 6

    SYNCDELAY;

FIFORESET = 0x08;             // reset, FIFO 8

SYNCDELAY; //

FIFORESET = 0x00; // deactivate NAK-ALL

SYNCDELAY;

  EP1OUTCFG = 0xA0;    // Configure EP1OUT as BULK EP

SYNCDELAY;

     EP1INCFG = 0xA0;     // Configure EP1IN as BULK IN EP

     SYNCDELAY;                    // see TRM section 15.14

     EP2CFG = 0x02;       // Invalid EP

     SYNCDELAY;                  

     EP4CFG = 0x02;      // Invalid EP

     SYNCDELAY;                  

     EP6CFG = 0xE2;      //

     SYNCDELAY;             

     EP8CFG = 0xA2;      // Configure EP8 as BULK IN EP

     SYNCDELAY;  

     EP8FIFOCFG = 0x00;  // Configure EP8 FIFO in 8-bit Manual Commit mode

     SYNCDELAY;

     EP8FIFOCFG = 0x10;

SYNCDELAY;

     EP6FIFOCFG = 0x08;

SYNCDELAY;

     PORTACFG =  0x40;

     SYNCDELAY;

     T2CON  = 0x34;    

EPIE |= bmBIT3 ;              // Enable EP1 OUT Endpoint interrupts

  AUTOPTRSETUP |= 0x01;         // enable dual autopointer feature

  Rwuen = TRUE;                 // Enable remote-wakeup

  EP1OUTBC = 0x04;

ES0 = 1; /* enable serial interrupts */

PS0 = 0; /* set serial interrupts to low priority */

TI = 1; /* clear transmit interrupt */

RI = 0; /* clear receiver interrupt */

EA = 1; /* Enable Interrupts */

     Serial0Init();      // Initialize the Serial Port 0 for the Communication SCO

}

void TD_Poll(void)             // Called repeatedly while the device is idle

{

  // Serial State Notification that has to be sent periodically to the host

  if (!(EP1INCS & 0x02))      // check if EP1IN is available

  {

    EP1INBUF[0] = 0x0A;       // if it is available, then fill the first 10 bytes of the buffer with

EP1INBUF[1] = 0x20;       // appropriate data.

EP1INBUF[2] = 0x00;

EP1INBUF[3] = 0x00;

EP1INBUF[4] = 0x00;

EP1INBUF[5] = 0x00;

EP1INBUF[6] = 0x00;

EP1INBUF[7] = 0x02;

    EP1INBUF[8] = 0x00;

EP1INBUF[9] = 0x00;

  EP1INBC = 10;            // manually commit once the buffer is filled

  }

// recieving the data from the USB Host and send it out through UART

// recieve the data from UART and send it out to the USB Host

}

BOOL TD_Suspend(void)          // Called before the device goes into suspend mode

{

   return(TRUE);

}

BOOL TD_Resume(void)          // Called after the device resumes

{

   return(TRUE);

}

//-----------------------------------------------------------------------------

// Device Request hooks

//   The following hooks are called by the end point 0 device request parser.

//-----------------------------------------------------------------------------

BOOL DR_GetDescriptor(void)

{

   return(TRUE);

}

BOOL DR_SetConfiguration(void)   // Called when a Set Configuration command is received

{

   Configuration = SETUPDAT[2];

   return(TRUE);            // Handled by user code

}

BOOL DR_GetConfiguration(void)   // Called when a Get Configuration command is received

{

   EP0BUF[0] = Configuration;

   EP0BCH = 0;

   EP0BCL = 1;

   return(TRUE);            // Handled by user code

}

BOOL DR_SetInterface(void)       // Called when a Set Interface command is received

{

   AlternateSetting = SETUPDAT[2];

   return(TRUE);            // Handled by user code

}

BOOL DR_GetInterface(void)       // Called when a Set Interface command is received

{

   EP0BUF[0] = AlternateSetting;

   EP0BCH = 0;

   EP0BCL = 1;

   return(TRUE);            // Handled by user code

}

BOOL DR_GetStatus(void)

{

   return(TRUE);

}

BOOL DR_ClearFeature(void)

{

   return(TRUE);

}

BOOL DR_SetFeature(void)

{

   return(TRUE);

}

BOOL DR_VendorCmnd(void)

{

   return(TRUE);

}

//-----------------------------------------------------------------------------

// USB Interrupt Handlers

//   The following functions are called by the USB interrupt jump table.

//-----------------------------------------------------------------------------

// Setup Data Available Interrupt Handler

void ISR_Sudav(void) interrupt 0

{

   GotSUD = TRUE;            // Set flag

   EZUSB_IRQ_CLEAR();

   USBIRQ = bmSUDAV;         // Clear SUDAV IRQ

}

// Setup Token Interrupt Handler

void ISR_Sutok(void) interrupt 0

{

   EZUSB_IRQ_CLEAR();

   USBIRQ = bmSUTOK;         // Clear SUTOK IRQ

}

void ISR_Sof(void) interrupt 0

{

   EZUSB_IRQ_CLEAR();

   USBIRQ = bmSOF;            // Clear SOF IRQ

}

void ISR_Ures(void) interrupt 0

{

   if (EZUSB_HIGHSPEED())

   {

      pConfigDscr = pHighSpeedConfigDscr;

      pOtherConfigDscr = pFullSpeedConfigDscr;

   }

   else

   {

      pConfigDscr = pFullSpeedConfigDscr;

      pOtherConfigDscr = pHighSpeedConfigDscr;

   }

   EZUSB_IRQ_CLEAR();

   USBIRQ = bmURES;         // Clear URES IRQ

}

void ISR_Susp(void) interrupt 0

{

    Sleep = TRUE;

   EZUSB_IRQ_CLEAR();

   USBIRQ = bmSUSP;

}

void ISR_Highspeed(void) interrupt 0

{

   if (EZUSB_HIGHSPEED())

   {

      pConfigDscr = pHighSpeedConfigDscr;

      pOtherConfigDscr = pFullSpeedConfigDscr;

   }

   else

   {

      pConfigDscr = pFullSpeedConfigDscr;

      pOtherConfigDscr = pHighSpeedConfigDscr;

   }

   EZUSB_IRQ_CLEAR();

   USBIRQ = bmHSGRANT;

}

void ISR_Ep0ack(void) interrupt 0

{

}

void ISR_Stub(void) interrupt 0

{

}

void ISR_Ep0in(void) interrupt 0

{

}

void ISR_Ep0out(void) interrupt 0

{

}

void ISR_Ep1in(void) interrupt 0

{

}

void ISR_Ep1out(void) interrupt 0// Places first byte of EP1 OUT buffer in SBUF0

{

EZUSB_IRQ_CLEAR(); //Clears the USB interrupt

EPIRQ = bmBIT3; //Clears EP1 OUT interrupt request

    while (TI == 1) ;

  i=0;

  bcl=EP1OUTBC;

SBUF0=EP1OUTBUF;

i++;

}

void ISR_Ep2inout(void) interrupt 0

{

}

void ISR_Ep4inout(void) interrupt 0

{

}

void ISR_Ep6inout(void) interrupt 0

{

}

void ISR_Ep8inout(void) interrupt 0

{

}

void ISR_Ibn(void) interrupt 0

{

}

void ISR_Ep0pingnak(void) interrupt 0

{

}

void ISR_Ep1pingnak(void) interrupt 0

{

}

void ISR_Ep2pingnak(void) interrupt 0

{

}

void ISR_Ep4pingnak(void) interrupt 0

{

}

void ISR_Ep6pingnak(void) interrupt 0

{

}

void ISR_Ep8pingnak(void) interrupt 0

{

}

void ISR_Errorlimit(void) interrupt 0

{

}

void ISR_Ep2piderror(void) interrupt 0

{

}

void ISR_Ep4piderror(void) interrupt 0

{

}

void ISR_Ep6piderror(void) interrupt 0

{

}

void ISR_Ep8piderror(void) interrupt 0

{

}

void ISR_Ep2pflag(void) interrupt 0

{

}

void ISR_Ep4pflag(void) interrupt 0

{

}

void ISR_Ep6pflag(void) interrupt 0

{

}

void ISR_Ep8pflag(void) interrupt 0

{

}

void ISR_Ep2eflag(void) interrupt 0

{

}

void ISR_Ep4eflag(void) interrupt 0

{

}

void ISR_Ep6eflag(void) interrupt 0

{

}

void ISR_Ep8eflag(void) interrupt 0

{

}

void ISR_Ep2fflag(void) interrupt 0

{

}

void ISR_Ep4fflag(void) interrupt 0

{

}

void ISR_Ep6fflag(void) interrupt 0

{

}

void ISR_Ep8fflag(void) interrupt 0

{

}

void ISR_GpifComplete(void) interrupt 0

{

}

void ISR_GpifWaveform(void) interrupt 0

{

}

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Hello,

I have implemented successfully cdc class in fx2lp firmware,i can recieve data from the fx2lp to pc(usb serial).

how can i check baudrate in this situation like in normal uart baud rate (baudrate settings require on both tx and rx side)?

how it will be configured in fx2lp side(firmware)?

in windows side,we are setting 9600bps in hercules terminal?

regards,

geetha.

I can't install CYUSB236 DVK software in my PC.

When I try to install, CyInstaller is said , "Microsoft VC ++ 2008 Redistributable is not install".

However, various versions of Redistributable package (including Ver. 2008) have already installed on the PC.

Why can't I install?

Is there anything else I should do?