4.3 JNMMCANRx

This function receives a message on the selected CAN port.

int JNMMCANRx(int Can_fd, CANMESSAGE* msg);

Input Parameters

Name	Description
Can_fd	received from JNMMCANOpen().
CANMESSAGE	Pointer to CANMESSAGE structure Can_ch : CAN port numer 0-3 Msg_type : 0 : Standard 1 : Extended Msg_ID : Hexadecimel value Msg_len : length of the frames Rtr : 0 : Disable 1 : Enable Data : Holds the data frame of message length

Return Value

Error code or 0.

Usage Example

For receiving the message.

memset(&rx,0,sizeof(CANMESSAGE));
ret = JNMMCANRx(device_handle,&Rx);
 
if(ret == -1)
{
   printf("JNMMCANRx failure \n");
}