USB Forum Discussions

Dear Sir :

Used PSoC Creator 4.4 & EZ-PD CCGX DOCK SDK , change device item  -> generate application have some errors.

Please help us to fix it , thanks.

Hi,

I've a problem  with a special laptop and my cy7c68013A device (driver version 3.4.7).
After booting the Laptop my device is running fine (I can communicate via  CyUSB.dll).
But after a random time (up to hours) this connection breaks and my device will no longer be enlisted in  
CyUSB.USBDeviceList(CyUSB.CyConst.DEVICES_CYUSB). It also is missing in the CyConsole app. But it is enlisted in the device manager!

After cycling the USB cable, the device reappears in my application as well as in the CyConsole app.

(Un)fortunatly this only happens with one single laptop. Any ideas what is going on? 

Best
Marcus

Hi community ,

                I am using CCg3PA in my project, is there a way to read D+ /D- line status  or voltage from we as source and DUT as sink. Is there a specific function for this requirement.

thanks

Dear Sir/Madam,

We are encountering difficulty when attempting conduct Godzilla Dock firmware update under MacOS with LibUSB driver.

The error message as attached screen captures.

Some guidance appreciated to get the FW update package working under MacOS.

Thanks and Regards,

Kevin

Hi

I'm currently having trouble trying to debug on a EZ-USB FX3 SDK. I have followed the instructions in the user guide but nothing seems to make it work properly. I am using a Olimex ARM_USB_TINY_H on the ARM and OlimexODS version of OpenOCD 0.6.1 with the Cypress EZ USB Suite version of Eclipse. (This is the only verison of OpenOCD that seems to work)

I am using the configuration file for the debugger from the OlimexODS package which was downloaded from their website, along with the arm926ejs_fx3.cfg in the files provided with the FX3 SDK which I modified to work with ftdi interface. I will attach them.

When I connect, I get a lot of warnings and errors in the console - also see attached file.

When the Eclipse debugger loads, I am stuck in the CyU3PFirmwareEntry. I have no options to step, and when I run it does nothing except stay at CyU3PFirmwareEntry. I believe it's supposed to run to main and break there but I am not seeing this. (Screenshot attached)

Any help is greatly appreciated and let me know if you need any more information that I might have missed.

Thanks.

Hi!

We have for a customer designed a camera system based on the FX3 and the AN75779 sample code, with minor modifications.
Our customer reports that sometimes the FX3 stops streaming and gets non-responsive.
Restarting the software on the PC sides does not help.
Rebooting the PC does not help.
The only thing that helps is powercycling of the FX3 (either by unplugging and again plugging in the USB or by powercycling of the PC)


SInce this application is running remotely and not supervised, powercycling is not possible with the current design.
We have not yet been able to do any logging when this happens, but have in the meanwhile some questions.

Are there any know problems with the AN75779 implementation that could lead to this kind of sympthoms?
(We have implemented a watchdog in the FX3 that should restart the FX3 if asserted)

Is there some reset handling for the USB interface implemented in the An75779?
I think there are eset USB messaged sent to the FX3 - is that something that the FX3 will act on?

Regards,

Magnus Peterson

SPEC: 

The CCG5 has power supply inputs at V5V_P1 and V5V_P2 pins for providing power to EMCA cables through
integrated VCONN FETs. There are two VCONN FETs in CCG5 per Type-C port to power CC1_P1/P2 and
CC2_P1/P2 pins. These FETs can provide a minimum of 1.5 W on the CC1 and CC2 pins for EMCA cable

(1). if V5V_P1 is 5V,

does it mean the Vconn Source is 1.5W / 5V = 0.3A ?

and configuaration - Vconn OCP setting is threshold = 30% , Debouce period = 1ms 

does it mean Vconn OCP trigger point is 0.3A x 1.3 = 0.39A and debouce = 1ms 

(1). if V5V_P1 is 3.3V ,

does it mean the Vconn Source is 1.5W / 3.3V = 0.4545A ?

and configuaration - Vconn OCP setting is threshold = 30% , Debouce period = 1ms 

does it mean Vconn OCP trigger point is 0.4545A x 1.3 = 0.59A and debouce = 1ms 

but SEPC :

In a notebook design, VCONN supplies power to the electronically marked cable attached to it. VCONN FETs on
CC lines can handle a current up to 0.5 A

it mean max vocnn ocp trigger point is 0.5A ??

When using CYUSB4357, whether its SPI ROM BIN FILE can use the BIN FILE of CYUSB4347 (Firmware: CYUSB4347-BZXC_FW_2_0_0.bin), the function of Signed Firmware Update is not required at this time.

Hello.

I am using FX3 - CYUSB3035.  It works as the "cyfx3s_fatfs" example, but an error occurs.

* Using the example

* Block diagram of structure

* Schematic

* Error message

? : CY_U3P_ERROR_INVALID_UNIT, /**< Non-existent storage partition selected for transfer. */

I think it's the error message.

Other than the "ls" command, it doesn't work.

Please check if there is any problem with F/W & H/W