[参考译文] TMS320F2800155-Q1：LIN 通信故障

void LIN_init()
{
    LIN_initModule(LINA_BASE);
    LIN_enableInterrupt(LINA_BASE, LIN_INT_RX);
    LIN_enableInterrupt(LINA_BASE, LIN_INT_ID);
    LIN_setInterruptLevel0(LINA_BASE, LIN_INT_RX);
    LIN_setInterruptLevel1(LINA_BASE, LIN_INT_ID);

    Interrupt_register(INT_LINA_0, &level0ISR);
    Interrupt_register(INT_LINA_1, &level1ISR);

    Interrupt_enable(INT_LINA_0);
    Interrupt_enable(INT_LINA_1);

    LIN_enableGlobalInterrupt(LINA_BASE, LIN_INTERRUPT_LINE0);
    LIN_enableGlobalInterrupt(LINA_BASE, LIN_INTERRUPT_LINE1);
    LIN_clearGlobalInterruptStatus(LINA_BASE, LIN_INTERRUPT_LINE0);
    LIN_clearGlobalInterruptStatus(LINA_BASE, LIN_INTERRUPT_LINE1);
}
void LIN_initModule(uint32_t base)
{

    ASSERT(LIN_isBaseValid(base));
    EALLOW;
    LIN_disableModule(base);
    LIN_enableModule(base);
    LIN_enterSoftwareReset(base);
    LIN_disableSCIMode(base);
    LIN_setLINMode(base, LIN_MODE_LIN_RESPONDER);
    LIN_enableAutomaticBaudrate(base);
    LIN_setCommMode(base, LIN_COMM_LIN_USELENGTHVAL);
    LIN_setDebugSuspendMode(base, LIN_DEBUG_COMPLETE);
    LIN_setChecksumType(base, LIN_CHECKSUM_ENHANCED);
    LIN_setMessageFiltering(base, LIN_MSG_FILTER_IDRESPONDER);
    LIN_disableIntLoopback(base);
    LIN_enableMultibufferMode(base);
    LIN_enableParity(base);
    LIN_enableDataTransmitter(base);
    LIN_enableDataReceiver(base);
    LIN_triggerChecksumCompare(base);
    LIN_disableInterrupt(base, LIN_INT_ALL);
    LIN_setBaudRatePrescaler(base, 389U, 10U);
    LIN_setMaximumBaudRate(base, 120000000U);
    LIN_setFrameLength(base, 8U);
    LIN_setSyncFields(base, 0U, 1U);
    LIN_setTxMask(base, 0xFFU);
    LIN_setRxMask(base, 0xFFU);
    LIN_disableExtLoopback(base);
    LIN_exitSoftwareReset(base);
    EDIS;
}

#pragma CODE_SECTION(level0ISR, ".TI.ramfunc");
__interrupt void level0ISR(void)
{

    level0Count++;
    LinL2IntVect =LIN_getInterruptLine0Offset(LINA_BASE);
    LinId_test2 = LIN_getRxIdentifier(LINA_BASE);
    if((LinL2IntVect == 11)&&(LinId_test2 == 0xE2))
    {
       LIN_getData(LINA_BASE,LINReceive);
       LIN_User_Receive();
    }
    else if((LinL2IntVect == 11)&&(LinId_test2 == 0x64))
    {
        LIN_getData(LINA_BASE,LINReceive);
        can_rx_msg_rx_update = UPDATE;
    }

    LIN_clearInterruptStatus(LINA_BASE, LIN_INT_ALL);
    LIN_clearGlobalInterruptStatus(LINA_BASE, LIN_INTERRUPT_LINE0);
    Interrupt_clearACKGroup(INTERRUPT_ACK_GROUP6);
}

#pragma CODE_SECTION(level1ISR, ".TI.ramfunc");
__interrupt void level1ISR(void)
{
    level1Count++;
    LinL1IntVect = LIN_getInterruptLine1Offset(LINA_BASE);
    LinId_test1 = LIN_getRxIdentifier(LINA_BASE);
    if((LinL1IntVect == 4)&&(LinId_test1 == 0xE7))
    {
       LIN_User_Send();
       LIN_sendData(LINA_BASE,LINSend);
    }
    else if((LinL1IntVect == 4)&&(LinId_test1 == 0xA3))
    {
        //LIN_User_Send();
       // LIN_sendData(LINA_BASE,g_u16CanSendUpdate);
    }
    LIN_clearInterruptStatus(LINA_BASE, LIN_INT_ALL);
    LIN_clearGlobalInterruptStatus(LINA_BASE, LIN_INTERRUPT_LINE1);
    Interrupt_clearACKGroup(INTERRUPT_ACK_GROUP6);
}