USB low-full-high speed peripherals Forum Discussions

Our charger product is using the Cypress USB-Serial communication module to connect charger to PC for communication. We used the Cypress drivers and added USB PID/VID info into the drivers files in order for PC to recognize our chargers.

We are facing intermittent PC getting Blue Screen of Death (BSOD) when disconnecting USB cable from PC. The issue happened especially if the charger is connecting through a USB hub (Belkin).

Please advise any solution to solve the issue?

My PC is running on Windows 10 Professional.

We are use CY7C65211 on our system.

But our system has low power requirement for USB ports.

Does CY7C65211 meet below mention of LPM & BESL support?

Thanks,

Mitchell

Hello.

I need to program CY7C64315 using just USB connector (D+ and D-).

Is it possible to connect ISSP DATA (P1_0) and ISSP CLOCK (P1_1) to USB line D+ and D-?
Any suggestion to do that?
I didn't connect for fear of chip damage.

I'll not use ISSP DATA (P1_0) and ISSP CLOCK (P1_1) as I/O in my project.  They will be used only to program the chip.

Any advices are welcome.

Best Regards,

anne_4609456

Is there any USB microcontroller Full Speed at Cypress family where I can use the D+ and D- to program the firmware into the chip?

I need just 4 digital GPIO for my project, but its important to program the chip using USB conector (D+ and D-) as I did with Low Speed Encore II microcontroller.

Best Regards,
@anne_4609456

Hi,

We intended to configure CY7C65213  as self-powered mode. Other than the schematic connection shown below, the datasheet also says

"Using the configuration utility, the configuration descriptor in the
CY7C65213/CY7C65213A flash should be updated to indicate
that it is self-powered."

My question is: Can the internal flash be accessed and set after the circuit is connected this way? Especially the default power mode in the flash is bus-powered. Thanks.

How does the power mode in the flash affect the chip behavior? Is it just for information purpose, or it changes the chip's function? 

I am starting a new coding job with a new client.
The problem I am having is that a lot of issues with namespaces that can not be found or maybe missing directives or an assembly reference. This, I think, is a common thing. So I am wondering where I can download a free DLL from Microsoft that will do the trick and get me to compile my code. The class the code is using that the compiler does not like is "GeoPoint".
A quick search online offered using nuget to install the package Azure.Core.
So, how do I do this? I am using Microsoft Visual Studio Community 2019. I am looking for some direction. Please advise.

On my work computer, I went to https://azure.microsoft.com/en-us/downloads/ in my browser but it is blocked. So, I am assuming now that I have to use visual studio itself to add new assemblies instead of using a browser. Is that right or do I have to ask my administrator for access?

The page:
https://www.nuget.org/packages/Azure.Core/
offers me another hint with "Package Manager"
I found under Project->Manage Nuget Packages..." in visual studio but when i try to uplad a package I get an error message.

So, my manager said I fist need to download an assemply.

Please advise.

hi all,

我从笔记AN61345中给的实例出发，想把其中由EP2单端点输出改为由EP2和EP4双端点输出，（程序改动在下方详细说明）在进行调试时，发现EP4输出数据总是会出现问题。调试为单端点调试，即先让EP2进行输出（无问题），重新上电，在对EP4端口输出进行调试。其中已将FIFOADR进行更改。

程序改动说明：

1、 dscr.a51

                                HighSpeedConfigDscr:

                             db DSCR_CONFIG_LEN ;; Descriptor length
                             db DSCR_CONFIG ;; Descriptor type
                             db (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) mod 256 ;; Total Length (LSB)
                             db (HighSpeedConfigDscrEnd-HighSpeedConfigDscr) / 256 ;; Total Length (MSB)
                             db 1 ;; Number of interfaces
                             db 1 ;; Configuration number
                             db 0 ;; Configuration string
                             db 10100000b ;; Attributes (b7 - buspwr, b6 - selfpwr, b5 - rwu)
                             db 50 ;; Power requirement (div 2 ma)  

;; Interface Descriptor
                             db DSCR_INTRFC_LEN ;; Descriptor length
                             db DSCR_INTRFC ;; Descriptor type
                             db 0 ;; Zero-based index of this interface
                             db 0 ;; Alternate setting
                             db 3 ;; Number of end points                                   改动① 将端点数量  由   2改为3
                             db 0ffH ;; Interface class
                             db 00H ;; Interface sub class
                             db 00H ;; Interface sub sub class
                              db 0 ;; Interface descriptor string index
;; Endpoint Descriptor                                 
                            db DSCR_ENDPNT_LEN ;; Descriptor length
                            db DSCR_ENDPNT ;; Descriptor type
                            db 02H ;; Endpoint number, and direction
                            db ET_BULK ;; Endpoint type
                             db 00H ;; Maximum packet size (LSB)
                             db 02H ;; Maximum packet size (MSB)
                           db 00H ;; Polling interval
;; Endpoint Descriptor                                                                                                      改动②    对端口4进行了配置
                          db DSCR_ENDPNT_LEN ;; Descriptor length
                          db DSCR_ENDPNT ;; Descriptor type
                          db 04H ;; Endpoint number, and direction
                          db ET_BULK ;; Endpoint type
                         db 00H ;; Maximum packet size (LSB)
                        db 02H ;; Maximum packet size (MSB)
                        db 00H ;; Polling interval

;; Endpoint Descriptor
db DSCR_ENDPNT_LEN ;; Descriptor length
db DSCR_ENDPNT ;; Descriptor type
db 86H ;; Endpoint number, and direction
db ET_BULK ;; Endpoint type
db 00H ;; Maximum packet size (LSB)
db 02H ;; Maximum packet size (MSB)
db 00H ;; Polling interval

HighSpeedConfigDscrEnd:

2、slave.C           仅仅对TD_init（）进行了更改              

void TD_Init( void )
{ // Called once at startup

CPUCS = 0x12; // CLKSPD[1:0]=10, for 48MHz operation, output CLKOUT

PINFLAGSAB = 0x98; // FLAGA - EP2EF                                                                     更改①   FLAGB-EP4EF
SYNCDELAY;
PINFLAGSCD = 0xE0; // FLAGD - EP6FF
SYNCDELAY;
PORTACFG |= 0x80;
SYNCDELAY;
IFCONFIG = 0xE3; //Internal clock, 48 MHz, Slave FIFO interface
SYNCDELAY;

// IFCLKsrc=1 , FIFOs executes on internal clk source
// xMHz=1 , 48MHz operation
// IFCLKOE=1 ,Drive IFCLK pin signal at 48MHz
// IFCLKPOL=0 , Don't invert IFCLK pin signal from internal clk
// ASYNC=0 , master samples synchronous
// GSTATE=0 , Don't drive GPIF states out on PORTE[2:0], debug WF
// IFCFG[1:0]=11, FX2 in slave FIFO mode

// Registers which require a synchronization delay, see section 15.14
// FIFORESET FIFOPINPOLAR
// INPKTEND OUTPKTEND
// EPxBCH:L REVCTL
// GPIFTCB3 GPIFTCB2
// GPIFTCB1 GPIFTCB0
// EPxFIFOPFH:L EPxAUTOINLENH:L
// EPxFIFOCFG EPxGPIFFLGSEL
// PINFLAGSxx EPxFIFOIRQ
// EPxFIFOIE GPIFIRQ
// GPIFIE GPIFADRH:L
// UDMACRCH:L EPxGPIFTRIG
// GPIFTRIG

// Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
// ...these have been replaced by GPIFTC[B3:B0] registers

// EP4 and EP8 are not used in this implementation...

EP2CFG = 0xA2; //out 512 bytes, 2x, double
SYNCDELAY;
EP6CFG = 0xE2; // in 512 bytes, 2x, double
SYNCDELAY;
EP4CFG = 0xA2; //out 512 bytes, 2x, double                                                更改②  对EP4进行配置
SYNCDELAY;
EP8CFG = 0x02; //clear valid bit
SYNCDELAY;

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

// handle the case where we were already in AUTO mode...
// ...for example: back to back firmware downloads...
SYNCDELAY; //
EP2FIFOCFG = 0x00; // AUTOOUT=0, WORDWIDE=1

// core needs to see AUTOOUT=0 to AUTOOUT=1 switch to arm endp's

SYNCDELAY; //
EP2FIFOCFG = 0x10; // AUTOOUT=1, WORDWIDE=0                                                            更改③    EP2  WORDWIDE=0   
SYNCDELAY; //
EP4FIFOCFG = 0x00; // AUTOOUT=0, WORDWIDE=0                                                       

// core needs to see AUTOOUT=0 to AUTOOUT=1 switch to arm endp's

SYNCDELAY; //
EP4FIFOCFG = 0x10; // AUTOOUT=1, WORDWIDE=1                                        更改4    EP4  进行了配置
SYNCDELAY; //
EP6FIFOCFG = 0x0D; // AUTOIN=1, ZEROLENIN=1, WORDWIDE=1

SYNCDELAY;

//JTAG Enable and SYNC signals for ZTEX Spartan 6 module 1.1 (FGPA+FX2LP setup)
OEA|=0x02; //Declare PA.1 as output
SYNCDELAY;
IOA|=0x02; //output 1 on PA.1
SYNCDELAY;

OEC|=0x01; //PC.0 as output (SYNC signal)
SYNCDELAY;
IOC|=0x00; //output 0 on PC.0...SYNC signal is LOW
SYNCDELAY;
OEC&=0xFD; //PC.1 as input (Clock changing signal)
SYNCDELAY;

}

Hi,

In my application I use the CY7C65213 to communicate from the device to my receiver program.

When the device on the uart is sending data but the receiver isn't active. But becomes active after 1min I can receive data but the transmitted data isn't received by the de device on the uart side. I can see that my TX led remains low. 

I need todo a chip reset to get this working again. How does this come? How can I fix this without doing a reset?

Kind regards,

Dieter