Is anyone familiar with CAN Communications? Hundreds of devices can communicate in the car, but I have seven or eight motherboards here, and there are always some boards that can't send data, why is this? Is there a big guy who understands?
The FDCAN loopback test of G474 can enter the receive interrupt, but normally the two devices communicate with each other, and when one of the devices is used to debug, it is found that the interrupt cannot be entered。
Hello comrade, the test was successful, as shown in the picture, originally I chose "FD mode with BitRate Switching".Changing to FD mode without BitRate Switching can output data normally, which should not be wrong, but in the experiment, changing to...
II certainly know that loopback mode "FDCAN_MODE_INTERNAL_LOOPBACK" is on a chip that uses the Tx pin to send data to the Rx pin. I used a chip loopback test that was successful, but the two machines were "FDCAN_MODE_NORMAL" in normal mode and could ...