I have debugged the whole code to send data from stm32h750b-dk between the two fdcan terminals fdcan1 and fdcan2 the data is appearing on live expressions of txdata1 but in rxdata only 1 bit is being transferred can somebody mention what the problem could be
all my parameters are adjusted accurately
Txdata[2]={7,8};
this is the output which is shown can somebody help me out on wtt could be done
Thank your for the sharing.
You didn't activate the FDCAN2 IRQ:
I'm attaching your project (modified) where FDCAN2 is receiving these two bytes.
This is a screen shot of the debug session, the bytes 7 and 8 are well received with FDCAN2 and a counter counting the number of the reception I've added in the example:
Another thing to add:
In the sending operation you didn't wait for the Tx FIFO to be empty which will cause a send error.
I've added it as the following:
while((hfdcan1.Instance->TXFQS & FDCAN_TXFQS_TFQF) != 0U); // wait for Tx FIFO to be empty
status = HAL_FDCAN_AddMessageToTxFifoQ(&hfdcan1, &TxHeader1, TxData1);
if (status != HAL_OK)
{
Error_Handler();
}
}Don't forget to fit the jumpers JP6 and JP7 to connect the CAN terminating resistors (120ohm) on the board.
A recommendation before running the example I shared, please update to the latest version of STM32CubeMx V6.13.0.
Hope that helps.
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