CAN1->sFilterRegister[0].FR1 |=  0b11100000000000000000000000000000;// identifier 0x700
    CAN1->sFilterRegister[0].FR2 |= 0b11111100000000000000000000000100;

CAN1->sFilterRegister[1].FR1 |= 0b01000000000000000000000000000000;     //pro 0x200
    CAN1->sFilterRegister[1].FR2 |= 0b01111100000000000000000000000000;