USB superspeed peripherals Forum Discussions

Please tell us about the system created as UVC. * UVC has been realized using FX3

How to notify external trigger signal to application via UVC Do you have?

Hi,

I have a question towards the SLWR and SLCS timing in the master side GPIFII interface.

In Figure 6. of the AN82716, the SLCS signal becomes low and then the SLWR signal becomes low.

I've also attached the snapshot of the figure in attachment.

The timing diagram of the GPIFII designer project of the master side shows the SLWR comes low before the SLCS signal.

Please see the attached master_gpif2_designer file.

Is there anything I misunderstand?

Thanks,

Jay

how to make sure the FX3 equipment and the virtual com port can exist in the same time?

Hi,

I've  already completed "2592x1944x1(Y8) or 2 bytes(Y16 to Y)" CMOS sensor(MT9P031, 12 bit gray color) in Super Speed(USB 3.0).

And, I also want to use "2592x1944x1 byte(Y8)" in High speed with FX3.

I tried the following DMA buffer size and "1280x720x1byte in High speed" is working well.   But 2592x1944x1byte is not working.

---------------------------- <ref.: https://community.cypress.com/thread/35193?start=0&tstart=0 >

...

2. Increase the DMA buffer size to 48*1024 bytes and DMA buffer count to 2 while creating the DMA channel using CyU3PDmaMultiChannelCreate API

   a. Change the 0x00, 0xC0, 0x00, 0x00, /* No. of bytes device can rx in single payload = 48 KB */ in probe control structures

   b. Change the GPIF LD_DATA_COUNT and LD_ADDR_COUNT as per Configuring Buffer Sizes in AN75779 UVC Firmware – KBA90744

   c. i.e. LD_DATA_COUNT = LD_ADDR_COUNT = ((48*1024 -12-4)/2) -1 = 24567  ->  I changed this to ((48*1024 -12-4)/1) -1 = 49135

...

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

  I also tried 64*1024 DMA size but there was a error message like...

------------------------------ Error message on Serial debugging

DMA Channel Creation Failed, Error Code = 64

Error handler...

Error handler...

...

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

How to change DMA buffer size or anything else ?

Thanks a lot!

Don

Starting layout of a design based on the Cy4609-RDK-BOARD and downloaded the zip file "630_60155-01_CY4609_final_20140407"

It does not have any PCB layout info in it.  Does anyone know where I can get gerbers or Altium PCBdoc or allegro pcb files?  It would save me a lot of work.

thanks

Tony 

Hi there,

I'm using Cy68013a and now I'm trying to generate an application installer, which needs the USB driver installer. while the drivers I found do not have installers. any suggestions?

Thanks,

Paul

Hi,

     When I configure an output pin with CyU3PDeviceGpioOverride() and CyU2PGpioSetSimpleConfig(), a pull-up resistor must be applied to the pin to output the high level. So I guess the default output mode of GPIO is open drain output.

     How do I set the pin output mode to push-pull output mode?

Best regards,

Thomas

你好：

     我使用denebola RDK并且尝试在640x480分辨率下，做了如下配置

生成的：

/* ov5640_YUY2_VGA :  */

CyU3PMipicsiCfg_t ov5640_YUY2_VGA = 

{

    CY_U3P_CSI_DF_YUV422_8_2,  /* CyU3PMipicsiDataFormat_t dataFormat */

    1,                          /* uint8_t numDataLanes */

    1, /* uint8_t pllPrd */

    90, /* uint16_t pllFbd */

    CY_U3P_CSI_PLL_FRS_250_500M, /* CyU3PMipicsiPllClkFrs_t pllFrs */ 

    CY_U3P_CSI_PLL_CLK_DIV_4, /* CyU3PMipicsiPllClkDiv_t csiRxClkDiv */

    CY_U3P_CSI_PLL_CLK_DIV_8, /* CyU3PMipicsiPllClkDiv_t parClkDiv */

    0,                 /* uint16_t mClkCtl */

    CY_U3P_CSI_PLL_CLK_DIV_2, /* CyU3PMipicsiPllClkDiv_t mClkRefDiv */

    640,         /* uint16_t hResolution */

    100                         /* uint16_t fifoDelay */

};

替换之前的配置：

/* Configuration parameters for VGA for the OV5640 sensor */

CyU3PMipicsiCfg_t cfgUvcVgaNoMclk =  {

    CY_U3P_CSI_DF_YUV422_8_2,       /* dataFormat   */   

    1,                            /* numDataLanes */   

    0x1,                          /* pllPrd       */   

    90,                           /* pllFbd       */   

    CY_U3P_CSI_PLL_FRS_125_250M,   /* pllFrs      */           

    CY_U3P_CSI_PLL_CLK_DIV_2,     /* csiRxClkDiv  */   

    CY_U3P_CSI_PLL_CLK_DIV_8,     /* parClkDiv    */   

    0x00,                         /* mclkCtl      */   

    CY_U3P_CSI_PLL_CLK_DIV_8,     /* mClkRefDiv   */   

    640,                          /* hResolution  */   

    0x01                          /* fifoDelay    */   

};

然后重新编译，运行，发现USB摄像头不能传送图片。串口终端循环打印：

DMA RESET

AplnStrt:SMState = 0x1

DMA RESET

AplnStrt:SMState = 0x1

请问我使用cx3 configuration工具配置的方法有什么问题吗？