PEAK-System Forum

Hi, I need clarification regarding the PCAN-USB FD hardware and its support for the UDS protocol. Does this depend on the hardware itself or on the `.dll` files provided?

Specifically, is the complete UDS stack implemented in the `.dll` package or on the hardware side? I am asking because I am ...

Hi,

we are using PEAK CAN ISO TP API, to exchange data between in Host and ECU it will be in MB, for this application i can able to transmit and receive data.

But peak API as nor sending as ECU mentioned FC frame.

If ECU sends an FC with ST time 500micro seconds but PEAK(host) sending each frame ...

Hi thanks now its working fine.


Regards,
Sandeep C

I tried this configuration

cantp_status ISOTP_FDinit(cantp_mapping* mapping, cantp_handle client_handle)
{
char version_buffer[500];
cantp_status res;
uint32_t buffer = 15;

// Print version informations
CANTP_GetValue_2016(PCANTP_HANDLE_NONEBUS, PCANTP_PARAMETER_API_VERSION, version_buffer ...

Hi, Thanks for PEAK Forum,
Now i am able to exchange huge amount of data between ECU and PC using PEAK CAN ISO TP API with Standard CAN and Extended ID, PCANTP_ISOTP_FORMAT_FIXED_NORMAL, addressing format.

SO we are facing to read and write huge data ST time delay is introducing for every 8 bytes ...

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Hi,
i am facing regarding address mapping,

I am using normal address mode, so for can ISO tp side I configured as below

int main()
{
// Local variables ...

Thanks for the reply,

Now able to read data from ECU.

Regards,
Sandeep C

Thanks for the response,

I will check once again address mapping, i will let you know my status.

Is it mandatory of doing of reverse mapping, when we are using single PEAK usb?

Regards,
Sandeep C

Hi,

My application is to Exchange huge data between ECU and PC.

I can able to send Huge data to the ECU and also able to read SF frame from ECU.

NOTE: All data is reading by using event callback

When i try to read more than 8 bytes getting read Error ==> Read error: 57344 or hexa 0xe000

error ...

Thanks for the reply,

Which addressing format is better to exchange data between pc and ECU?
Can you give an example for better mapping between ECU and PC?

Regards,
sandeep C