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试验目的摘要试验原理可屏蔽和非可屏蔽中断IFRIMRC54x中断响应流程摘要Simulator下模拟中断引脚文件(.txt)引脚文件和中断引脚的“连接”实验内容实验步骤实验环境建立#include<stdio.h>#defineIMR*(unsignedint*)0x0000#defineIFR*(unsignedint*)0x0001#defineST1*(unsignedint*)0x0007#definePMST*(unsignedint*)0x001DintINTtimes;voidmain(){asm("SSBXINTM");PMST=0x00A0;IFR=0xFFFF;IMR=0x0001;asm("RSBXINTM");puts("interruptenabled!");INTtimes=0;while(1){asm("RSBXINTM");}}#include<stdio.h>externintINTtimes;interruptvoidmyisr(){printf("%d\n",++INTtimes);}.sect".vectors".ref_myisr.align0x80Unused.space16*4*16int0:B_myisrNOPNOPNOPint1:RETENOPNOPNOPint2:RETENOPNOPNOP.end-lrts.lib-stack0x400-heap0x400MEMORY{PAGE0:VECT:o=0x0080,l=0x0080SRAM:o=0x4000,l=0x3000PAGE1:REVS:o=0x1000,l=0x0400STACK:o=0x1400,l=0x0400IDRAM:o=0x1800,l=0x2800}SECTIONS{.vectors:>VECT.text:>SRAM.cinit:>SRAM.stack:>STACK.bss:>IDRAM.const:>IDRAM.cio:>IDRAM.sysmem>IDRAM}实验内容和步骤实验报告要求
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