Product Forum Discussions

Hi everyone,

I tried to use function pointer recently in PSoC Designer with PSoC1 CY8C29466 and there's something I don't understand.

First, I tried the following code and it works fine:

#include <m8c.h>        // part specific constants and macros #include <stdio.h> #include "PSoCAPI.h"    // PSoC API definitions for all User Modules void func1(BYTE b1) {     ACB00CR0 = b1; // I just picked this register to check if the function pointer is working in the debugger } void main(void) {     M8C_EnableGInt ; // Uncomment this line to enable Global Interrupts     void (*funcptr)(BYTE);     funcptr = func1;     funcptr(0xfe); }

Then I add in a PGA module, and when I tried to used the funciton pointer to point to one of PGA's APIs, e.g. PGA_Start(), the compiler (or the linker) reports that "function "_PGA_Start" has wrong type for this function call (error)" and "can't generate code for this expression (error)".

#include <m8c.h>        // part specific constants and macros #include <stdio.h> #include "PSoCAPI.h"    // PSoC API definitions for all User Modules void main(void) {     M8C_EnableGInt ; // Uncomment this line to enable Global Interrupts     void (*funcptr)(BYTE);          funcptr = PGA_Start;     // I tried other APIs such as PGA_Stop, PGA_SetGain, and none works     funcptr(PGA_HIGHPOWER); // The compiler (or the linker) will complain this line }

The difference I can find is that the PGA's APIs are generated by the PSoC Desinger and are coded in assembly, but will this cause problems?

Can anyone tell me what went wrong? Thank you.

Hello,

I am executing sample code which is provided into the FX3 SDK on the Denebola RDK. When we connect Denebola RDK with e-Cam software then its work properly but if We connect Denebola RDK with "USB Camera App" on android device ( It's have support of UVC driver ) its not working showing black screen. What is the problem?

On serial port I just found "EnterSuspendMode Status =  0x0, Wakeup reason = 0x8" this logs.

Also I am not able to find "cyu3imagesensor.c" file. Can you please provide this file or location of this file.

Thanks,

Amit

I would like to connect UART_RX (J1-19) and UART_TX (J1-21) of CYUSB3KIT-003 to another microcomputer.

However, the above signal is already connected to the USB serial conversion IC (CY7C65215).

Will be able to use  UART_RX and UART_TX signals by setting the SCB0 configuration of CY7C65215 to Mode5(I2C)

and Drive Modes of GPIO_8 and GPIO_5 to TRISTATE using Cypress USB-Serial Configuration Utility ?

I am using the 45W CCG3PA with Southchip SC8815 schematic to design a circuit with a USB C PD port and USB A port.  The USB A needed the current sense pins tied together to actually work.  Nothing in datasheet explains using with one USB A.  It's meant for 2.  The USB C communicates with programmer, auto-detects, and flashes successfully but does not communicate with SC8815.  Is there an issue with design based on the schematic?

Hello,

I'm trying to get the USB-IF certification for a device based on FX3S (CYUSB3035-BZXC) but I get some fails on the Link Layer Test (see attached report).

Three out of four fails (TD.7.9, TD.7.11, TD.7.26) are related to the "New Timers" currently used by USB-IF... Is not clear if the Legacy Timers are still allowed... I'm waiting for the lab reply... The 4th fail (TD.7.17) I don't know if it is anyway related to the same cause.

Anyway, I don't think I can fix this problems modifying my code. It seem related to the internal functioning of the controller itself... Is the FX3 platform currently USB-IF certifiable?

I'm using SDK 1.3.3. Do you think that an upgrade to SDK 1.3.4 may fix the issues?

Thanks.

Dax

Hello,

In TRM,they have given that  "Note : In 16-bit mode, the EZ-USB only transfers even-sized packets of data across the FD bus. This should be considered when the EZ-USB interfaces to host software that sends or receives odd sized packets".

What is the status when fx2lp in 8bit slavefifo interface?according into the above statement?

what does mean that even and odd packet referes in the above statement?

regards,

geetha.