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unneback |
/*
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* This file contains the isp frames for the user interrupts.
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* From these procedures __ISR_Handler is called with the vector number
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* as argument.
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*
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* __ISR_Handler is kept in a separate file (cpu_asm.c), because a bug in
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* some releases of gcc doesn't properly handle #pragma interrupt, if a
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* file contains both isrs and normal functions.
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*
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* Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
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* Bernd Becker (becker@faw.uni-ulm.de)
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*
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* COPYRIGHT (c) 1997-1998, FAW Ulm, Germany
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
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*
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*
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* COPYRIGHT (c) 1998.
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* On-Line Applications Research Corporation (OAR).
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* Copyright assigned to U.S. Government, 1994.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id: ispsh7032.c,v 1.2 2001-09-27 11:59:30 chris Exp $
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*/
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#include <rtems/system.h>
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#include <rtems/score/shtypes.h>
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#include <rtems/score/ispsh7032.h>
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#if !defined(sh7032)
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#error Wrong CPU MODEL
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#endif
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/*
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* This is an exception vector table
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*
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* It has the same structure like the actual vector table (vectab)
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*/
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proc_ptr _Hardware_isr_Table[256]={
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp,
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_nmi_isp, _usb_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp,
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/* trapa 0 -31 */
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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_dummy_isp, _dummy_isp, _dummy_isp, _dummy_isp,
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/* irq 64 ... */
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_irq0_isp, _irq1_isp, _irq2_isp, _irq3_isp,
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_irq4_isp, _irq5_isp, _irq6_isp, _irq7_isp,
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_dma0_isp, _dummy_isp, _dma1_isp, _dummy_isp,
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_dma2_isp, _dummy_isp, _dma3_isp, _dummy_isp,
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_imia0_isp, _imib0_isp, _ovi0_isp, _dummy_isp,
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_imia1_isp, _imib1_isp, _ovi1_isp, _dummy_isp,
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_imia2_isp, _imib2_isp, _ovi2_isp, _dummy_isp,
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_imia3_isp, _imib3_isp, _ovi3_isp, _dummy_isp,
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_imia4_isp, _imib4_isp, _ovi4_isp, _dummy_isp,
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_eri0_isp, _rxi0_isp, _txi0_isp, _tei0_isp,
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_eri1_isp, _rxi1_isp, _txi1_isp, _tei1_isp,
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_prt_isp, _adu_isp, _dummy_isp, _dummy_isp,
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_wdt_isp,
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/* 113 */ _dref_isp
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};
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#define Str(a)#a
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/*
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* Some versions of gcc and all version of egcs at least until egcs-1.1b
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* are not able to handle #pragma interrupt correctly if more than 1 isr is
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* contained in a file and when optimizing.
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* We try to work around this problem by using the macro below.
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*/
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#define isp( name, number, func)\
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asm (".global _"Str(name)"\n\t" \
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"_"Str(name)": \n\t" \
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" mov.l r0,@-r15 \n\t" \
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" mov.l r1,@-r15 \n\t" \
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" mov.l r2,@-r15 \n\t" \
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" mov.l r3,@-r15 \n\t" \
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" mov.l r4,@-r15 \n\t" \
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" mov.l r5,@-r15 \n\t" \
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" mov.l r6,@-r15 \n\t" \
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" mov.l r7,@-r15 \n\t" \
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" mov.l r14,@-r15 \n\t" \
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" sts.l pr,@-r15 \n\t" \
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" sts.l mach,@-r15 \n\t" \
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" sts.l macl,@-r15 \n\t" \
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" mov r15,r14 \n\t" \
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" mov.l "Str(name)"_k, r1\n\t" \
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" jsr @r1 \n\t" \
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" mov #"Str(number)", r4\n\t" \
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" mov r14,r15 \n\t" \
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" lds.l @r15+,macl \n\t" \
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" lds.l @r15+,mach \n\t" \
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" lds.l @r15+,pr \n\t" \
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" mov.l @r15+,r14 \n\t" \
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" mov.l @r15+,r7 \n\t" \
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" mov.l @r15+,r6 \n\t" \
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" mov.l @r15+,r5 \n\t" \
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" mov.l @r15+,r4 \n\t" \
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" mov.l @r15+,r3 \n\t" \
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" mov.l @r15+,r2 \n\t" \
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" mov.l @r15+,r1 \n\t" \
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" mov.l @r15+,r0 \n\t" \
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" rte \n\t" \
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" nop \n\t" \
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" .align 2 \n\t" \
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#name"_k: \n\t" \
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".long "Str(func));
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/************************************************
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* Dummy interrupt service procedure for
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* interrupts being not allowed --> Trap 34
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************************************************/
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asm(" .section .text
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.global __dummy_isp
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__dummy_isp:
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mov.l r14,@-r15
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mov r15, r14
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trapa #34
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mov.l @r15+,r14
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rte
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nop");
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/*****************************
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* Non maskable interrupt
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*****************************/
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isp( _nmi_isp, NMI_ISP_V, ___ISR_Handler);
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/*****************************
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* User break controller
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*****************************/
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isp( _usb_isp, USB_ISP_V, ___ISR_Handler);
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/*****************************
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* External interrupts 0-7
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*****************************/
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isp( _irq0_isp, IRQ0_ISP_V, ___ISR_Handler);
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isp( _irq1_isp, IRQ1_ISP_V, ___ISR_Handler);
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isp( _irq2_isp, IRQ2_ISP_V, ___ISR_Handler);
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isp( _irq3_isp, IRQ3_ISP_V, ___ISR_Handler);
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isp( _irq4_isp, IRQ4_ISP_V, ___ISR_Handler);
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isp( _irq5_isp, IRQ5_ISP_V, ___ISR_Handler);
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isp( _irq6_isp, IRQ6_ISP_V, ___ISR_Handler);
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isp( _irq7_isp, IRQ7_ISP_V, ___ISR_Handler);
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/*****************************
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* DMA - controller
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*****************************/
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isp( _dma0_isp, DMA0_ISP_V, ___ISR_Handler);
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isp( _dma1_isp, DMA1_ISP_V, ___ISR_Handler);
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isp( _dma2_isp, DMA2_ISP_V, ___ISR_Handler);
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isp( _dma3_isp, DMA3_ISP_V, ___ISR_Handler);
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/*****************************
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* Interrupt timer unit
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*****************************/
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/*****************************
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* Timer 0
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*****************************/
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isp( _imia0_isp, IMIA0_ISP_V, ___ISR_Handler);
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isp( _imib0_isp, IMIB0_ISP_V, ___ISR_Handler);
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isp( _ovi0_isp, OVI0_ISP_V, ___ISR_Handler);
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182 |
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/*****************************
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* Timer 1
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184 |
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*****************************/
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185 |
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isp( _imia1_isp, IMIA1_ISP_V, ___ISR_Handler);
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186 |
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isp( _imib1_isp, IMIB1_ISP_V, ___ISR_Handler);
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isp( _ovi1_isp, OVI1_ISP_V, ___ISR_Handler);
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188 |
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189 |
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/*****************************
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190 |
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* Timer 2
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191 |
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*****************************/
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192 |
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isp( _imia2_isp, IMIA2_ISP_V, ___ISR_Handler);
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193 |
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isp( _imib2_isp, IMIB2_ISP_V, ___ISR_Handler);
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isp( _ovi2_isp, OVI2_ISP_V, ___ISR_Handler);
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195 |
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/*****************************
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197 |
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* Timer 3
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198 |
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*****************************/
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isp( _imia3_isp, IMIA3_ISP_V, ___ISR_Handler);
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200 |
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isp( _imib3_isp, IMIB3_ISP_V, ___ISR_Handler);
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201 |
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isp( _ovi3_isp, OVI3_ISP_V, ___ISR_Handler);
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202 |
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203 |
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/*****************************
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204 |
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* Timer 4
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205 |
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*****************************/
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206 |
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isp( _imia4_isp, IMIA4_ISP_V, ___ISR_Handler);
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207 |
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isp( _imib4_isp, IMIB4_ISP_V, ___ISR_Handler);
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208 |
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isp( _ovi4_isp, OVI4_ISP_V, ___ISR_Handler);
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209 |
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210 |
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|
211 |
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/*****************************
|
212 |
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* Serial interfaces
|
213 |
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*****************************/
|
214 |
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|
215 |
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/*****************************
|
216 |
|
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* Serial interface 0
|
217 |
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*****************************/
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218 |
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isp( _eri0_isp, ERI0_ISP_V, ___ISR_Handler);
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219 |
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isp( _rxi0_isp, RXI0_ISP_V, ___ISR_Handler);
|
220 |
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isp( _txi0_isp, TXI0_ISP_V, ___ISR_Handler);
|
221 |
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isp( _tei0_isp, TEI0_ISP_V, ___ISR_Handler);
|
222 |
|
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|
223 |
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/*****************************
|
224 |
|
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* Serial interface 1
|
225 |
|
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*****************************/
|
226 |
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isp( _eri1_isp, ERI1_ISP_V, ___ISR_Handler);
|
227 |
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isp( _rxi1_isp, RXI1_ISP_V, ___ISR_Handler);
|
228 |
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isp( _txi1_isp, TXI1_ISP_V, ___ISR_Handler);
|
229 |
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isp( _tei1_isp, TEI1_ISP_V, ___ISR_Handler);
|
230 |
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|
231 |
|
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|
232 |
|
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/*****************************
|
233 |
|
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* Parity control unit of
|
234 |
|
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* the bus state controller
|
235 |
|
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*****************************/
|
236 |
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isp( _prt_isp, PRT_ISP_V, ___ISR_Handler);
|
237 |
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|
238 |
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|
239 |
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/******************************
|
240 |
|
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* Analog digital converter
|
241 |
|
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* ADC
|
242 |
|
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******************************/
|
243 |
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isp( _adu_isp, ADU_ISP_V, ___ISR_Handler);
|
244 |
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|
245 |
|
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|
246 |
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/******************************
|
247 |
|
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* Watchdog timer
|
248 |
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******************************/
|
249 |
|
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isp( _wdt_isp, WDT_ISP_V, ___ISR_Handler);
|
250 |
|
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|
251 |
|
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|
252 |
|
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/******************************
|
253 |
|
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* DRAM refresh control unit
|
254 |
|
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* of bus state controller
|
255 |
|
|
******************************/
|
256 |
|
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isp( _dref_isp, DREF_ISP_V, ___ISR_Handler);
|