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SHARED_INT.C
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313
SHARED_INT.C
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//****************************************************************************
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// @Module Shared Interrupt Routines
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// @Filename SHARED_INT.C
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// @Project CL2.0.dav
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//----------------------------------------------------------------------------
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// @Controller Infineon XC886CLM-8FF
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//
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// @Compiler Keil
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//
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// @Codegenerator 1.3
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//
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// @Description This file contains the Shared interrupt routines.
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//
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//----------------------------------------------------------------------------
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// @Date 2025/6/24 15:47:34
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//
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,1)
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// USER CODE END
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//****************************************************************************
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// @Project Includes
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//****************************************************************************
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#include "SHARED_INT.H"
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#include "CAN.H"
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// USER CODE BEGIN (SHARED_INT_General,2)
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// USER CODE END
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//****************************************************************************
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// @Macros
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,3)
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// USER CODE END
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//****************************************************************************
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// @Defines
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,4)
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// USER CODE END
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//****************************************************************************
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// @Typedefs
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,5)
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// USER CODE END
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//****************************************************************************
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// @Imported Global Variables
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,6)
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// USER CODE END
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//****************************************************************************
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// @Global Variables
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,7)
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// USER CODE END
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//****************************************************************************
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// @External Prototypes
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,8)
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// USER CODE END
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//****************************************************************************
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// @Prototypes Of Local Functions
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//****************************************************************************
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// USER CODE BEGIN (SHARED_INT_General,9)
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// USER CODE END
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//****************************************************************************
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// @Function void SHINT_vInit(void)
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//
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//----------------------------------------------------------------------------
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// @Description This function initializes the shared interrupts.
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//
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//----------------------------------------------------------------------------
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// @Returnvalue None
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//
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//----------------------------------------------------------------------------
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// @Parameters None
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//
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//----------------------------------------------------------------------------
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// @Date 2025/6/24
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//
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//****************************************************************************
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// USER CODE BEGIN (SHINT_Init,1)
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// USER CODE END
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void SHINT_vInit(void)
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{
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// USER CODE BEGIN (SHINT_Init,2)
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// USER CODE END
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/// -----------------------------------------------------------------------
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/// Configuration of the Shared Interrupts:
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/// -----------------------------------------------------------------------
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/// - Timer 2 Interrupt is Selected
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/// - MultiCAN Node 0 Interrupt is Selected
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IEN0 |= 0x20; // load interrupt enable register 0
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IEN1 |= 0x00; // load interrupt enable register 1
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// USER CODE BEGIN (SHINT_Init,3)
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// USER CODE END
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} // End of function SHINT_vInit
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//****************************************************************************
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// @Function void SHINT_viXINTR5Isr(void)
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//
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//----------------------------------------------------------------------------
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// @Description This is the service routine for the shared interrupt node
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// XINTR5. XINTR5 ISR Node is shared by Timer 2, UART
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// Fractional Divider(BRG Interrupt),MultiCAN Node 0 and LIN.
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// Depending on the selected module interrupt it is called.
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// T2 - Depending on the selected operating mode it is called
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// when TF2 is set by an overflow or underflow of the timer 2
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// register or when EXF2 is set by a negative transition on
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// T2EX.
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// UART - It is called after the BRG timer overflows and sets
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// the NDOV bit.
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// CAN - It is called for the Service Request Node 0 of the
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// MultiCAN module.
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// Please note that you have to add application specific code
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// to this function.
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//
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//----------------------------------------------------------------------------
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// @Returnvalue none
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//
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//----------------------------------------------------------------------------
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// @Parameters None
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//
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//----------------------------------------------------------------------------
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// @Date 2025/6/24
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//
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//****************************************************************************
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// You have two choices for interrupt type select in Project Settings Page
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// under Global Settings Section.
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// If you select CHOICE 1 then ISR will be generated with push and pop.
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// If you select CHOICE 2 then ISR will be generated without push and pop.
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// Default choice is CHOICE 2.
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// Current selection is CHOICE 2
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// USER CODE BEGIN (SHINT_XINTR5Isr,1)
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// USER CODE END
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void SHINT_viXINTR5Isr(void) interrupt XINTR5INT
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{
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ubyte ubNSRL;
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ubyte ubNSRH;
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ubyte ubResetLEC = 0x3F;
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// USER CODE BEGIN (SHINT_XINTR5Isr,2)
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// USER CODE END
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CAN_pushAMRegs(); // push the CAN Access Mediator Registers
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SFR_PAGE(_su0, SST0); // switch to page 0
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// Timer 2 interrupt handling section...
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if (TF2)
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{
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// a timer 2 overflow has occured
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TF2 = 0;
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// USER CODE BEGIN (SHINT_XINTR5Isr,3)
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RTCProcess();
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// USER CODE END
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}
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// MultiCAN Node 0 (SRN0) interrupt handling section...
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// Check Interrupt Request Register 2 Interrupt Flag 0
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if (((IRCON2 & 0x01) != 0))
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{
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IRCON2 &= ~(ubyte)0x01; // clear CANSRC0
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// ---------------------------------------------------------------------
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// Interrupts of CAN node 0
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// ---------------------------------------------------------------------
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CAN_vWriteCANAddress(CAN_NSR0);
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CAN_vReadEN();
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ubNSRL = CAN_DATA0;
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ubNSRH = CAN_DATA1;
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// USER CODE BEGIN (SRN0_NODE0,1)
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// USER CODE END
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// ---------------------------------------------------------------------
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// CAN node 0 Alert Interrupt
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// ---------------------------------------------------------------------
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if (ubNSRL & 0x20) // if ALERT
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{
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/// Note: The ALERT bit is set upon the occurrence of one ofthe
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/// following events. User need to handle these in user defined
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/// section.
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// BOFF : ubNSRL & 0x80
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// Bus OFF
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if(ubNSRL & 0x80) {
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can_error_cnt = 0x80;
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ubNSRL &= ~0x80; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
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}
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// EWRN : ubNSRL & 0x40
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if(ubNSRL & 0x40) {
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can_error_cnt = 0x40;
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ubNSRL &= ~0x40; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
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}
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// One of the error counters REC or TEC reached the
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// warning limit of 96.
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// LLE : ubNSRH & 0x01
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// A list length error has been detected during message
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// acceptance filtering. The number of elements in the list
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// that belongs to this CAN node differs from the list SIZE
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// given in the list termination pointer
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// LOE : ubNSRH & 0x02
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// A list object error has been detected during message
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// acceptance filtering. A message object with wrong LIST
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// index entry in the Message Object Control Register has
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// been detected
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// USER CODE BEGIN (SRN0_NODE_0_ALIE,2)
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// USER CODE END
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}
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// USER CODE BEGIN (SRN0_NODE0,8)
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// USER CODE END
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//// Reset LEC, TXOK, RXOK, ALERT, EWRN, BOFF, LLE, LOE (if set)
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CAN_vWriteCANAddress(CAN_NSR0); // Addressing CAN_NSR0
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CAN_DATA0 = ~(ubNSRL & ubResetLEC); // load CAN_NSR0 status register[7-0]
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CAN_DATA1 = ~(ubNSRH); // load CAN_NSR0 status register[15-8]
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CAN_vWriteEN(D0_VALID+D1_VALID); // Data0 and Data1 are Valid for
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// transmission and Write is Enabled.
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// USER CODE BEGIN (SHINT_XINTR5Isr,6)
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// USER CODE END
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}
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// USER CODE BEGIN (SHINT_XINTR5Isr,7)
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// USER CODE END
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SFR_PAGE(_su0, RST0); // restore the old SCU page
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CAN_popAMRegs(); // restore the CAN Access Mediator Registers
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} // End of function SHINT_viXINTR5Isr
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// USER CODE BEGIN (SHARED_INT_General,10)
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// USER CODE END
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