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Compiler/TMS570LS3137: TMS570LS3137 FLEXRAY

user4769780
Intellectual 260 points
Part Number: TMS570LS3137

Tool/software: TI C/C++ Compiler

Hello ,My FlexRay board 1 transimit in ID1,and board 2,3 receive in ID1,but board 2  can receive right, board 3 receive but all data is Zero ,the  MBS register MLST bit of board 3   is set ,which ,means Message Lost ,but i have the same code with board 2,can you give me some advice

  • 0
    TI__Guru 59540 points
    Hello user,

    I am forwarding your post to our FlexRay expert so they can respond.
  • 0 in reply to Chuck Davenport
    Intellectual 260 points
    but ,it is not a response .and my node A have 31 receive buffer,but it receive from bus have zero(7%,the data became zero ,but my transmit is not zero),can you give me some advice ,i adjust my net parameter ，it doesnot work ，
  • 0 in reply to user4769780
    TI__Guru**** 193216 points
    Hello,

    Can you tell me how you configure your nodes on the nextwork?

    Node A: which slots are assigned to node A? which slots are for RX and which for TX? what are payload length and data?
    Node B: which slots are assigned to node B? which slots are for RX and which for TX? what are payload length and data?
    Node C: which slots are assigned to node C? which slots are for RX and which for TX? what are payload length and data?

    Do you use static slots for tx and rx? How many static slots is in your setup?
  • 0 in reply to QJ Wang
    Intellectual 260 points
    Node A :TX ID1 RX：ID2~31
    Node B：Tx ID2，ID15（but it transmit when my flag is set ,is not a cycle data,to simulate the emergency event）,RX:ID1
    Node C: Tx ID3, ID 16(but it transmit when my flag is set ,is not a cycle data), RX :ID1
    and have all 15 node,all use static slots,all have 32 static slots ,2 dynamtic slots(not use), all tramsmit use single mode(单次触发)。
    plobrem 1 is solved ,because i adjust the slot( node C TX ID16 use cycle data transmit ，ID3 use simulate the emergency event )
    but Node A will receive zero (7%),and i prove transmiter send zero (my data is not zero), i think it have 2 static slots to transmit which can influence each other ,how can I use static slots to simulate the emergency event(use single transmit mode )