FlexRay recive and send large data in TI's demo code

 HI QJ：

I download the FlexRay code in 

  In Flexray Node A (transmit_check_node_a(FRAY_ST *Fray_PST)), I just can recive 16 bytes from Node B . (from Fray_PST->RDDS[0] to 

Fray_PST->RDDS[3]).

Ｉhave same problem as  user4527646's  .(http://e2e.ti.com/support/microcontrollers/hercules/f/312/t/531961)

can you explain the work flow of that code (single node).and What is the exact purpose of your code?

I Want know how should I change youd code  if i want send or recive large data ?

looking for your quick reply .

 Thx.