This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Regarding CAN Obj ID in TM4C129X

Hi Experts,

I am using CAN communication in TM4c129x DK board.  

I want to configure CAN receive functionality for Object Id 0x7E8 to 0x7EF in same CAN object. 

When I run the following program, it get the response in 0x7E8 but it is not getting the responses from other object Id.

Please do the need full (ref:TivaWare™ Peripheral Driver Library, sec 6.4).

tCANBitClkParms CANBitClk;
tCANMsgObject sMsgObjectRx;
uint8_t pui8BufferIn[8];
uint8_t pui8BufferOut[8];
//
// Reset the state of all the message objects and the state of the CAN
// module to a known state.
//
CANInit(CAN0_BASE);
//
// Configure the controller for 1 Mbit operation.
//
CANBitRateSet(CAN0_BASE, 8000000, 1000000);

//
// Take the CAN0 device out of INIT state.
//
CANEnable(CAN0_BASE);
//
// Configure a receive object as a CAN FIFO to receive message objects with
// message ID 0x7E8 - 0x7EF.
//
sMsgObjectRx.ulMsgID = 0x7E8;
sMsgObjectRx.ulMsgIDMask = 0x7EF;
sMsgObjectRx.ulFlags = MSG_OBJ_USE_ID_FILTER | MSG_OBJ_FIFO;
//
// The first three message objects have the MSG_OBJ_FIFO set to indicate
// that they are part of a FIFO.
//
CANMessageSet(CAN0_BASE, 1, &sMsgObjectRx, MSG_OBJ_TYPE_RX);
CANMessageSet(CAN0_BASE, 2, &sMsgObjectRx, MSG_OBJ_TYPE_RX);
CANMessageSet(CAN0_BASE, 3, &sMsgObjectRx, MSG_OBJ_TYPE_RX);
//
// Last message object does not have the MSG_OBJ_FIFO set to indicate that
// this is the last message.
//
sMsgObjectRx.ulFlags = MSG_OBJ_USE_ID_FILTER;
CANMessageSet(CAN0_BASE, 4, &sMsgObjectRx, MSG_OBJ_TYPE_RX);
...

//
// Configure and start transmit of message object.
//
sMsgObjectTx.ulMsgID = 0x400;
sMsgObjectTx.ulFlags = 0;
sMsgObjectTx.ulMsgLen = 8;
sMsgObjectTx.pucMsgData = pui8BufferOut;
CANMessageSet(CAN0_BASE, 2, &sMsgObjectTx, MSG_OBJ_TYPE_TX);
//
// Wait for new data to become available.
//
while((CANStatusGet(CAN1_BASE, CAN_STS_NEWDAT) & 1) == 0)
{
//
// Read the message out of the message object.
//
CANMessageGet(CAN1_BASE, 1, &sMsgObjectRx, true);
}
//
// Process new data in sMsgObjectRx.pucMsgData.
//
...