物理地址访问的简单实例

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1、物理地址访问的简单实例(控制TE2410的LED)#include#include#include"stdafx.h"#defineIOP_BASE     0xB1600000//0x56000000typedefstruct {   unsignedint rGPACON;  //00   unsignedint rGPADAT;   unsignedint rPAD1[2];      unsignedint rGPBCON;  //10   unsignedint rGPBDAT;   unsignedint rGPBUP;   unsi

2、gnedint rPAD2;      unsignedint rGPCCON;  //20   unsignedint rGPCDAT;   unsignedint rGPCUP;   unsignedint rPAD3;      unsignedint rGPDCON;  //30   unsignedint rGPDDAT;   unsignedint rGPDUP;   unsignedint rPAD4;      unsignedint rGPECON;  //40   unsignedint rGPEDAT;   unsignedint rGPEUP;   unsign

3、edint rPAD5;      unsignedint rGPFCON;  //50   unsignedint rGPFDAT;   unsignedint rGPFUP;   unsignedint rPAD6;      unsignedint rGPGCON;  //60   unsignedint rGPGDAT;   unsignedint rGPGUP;   unsignedint rPAD7;      unsignedint rGPHCON;  //70   unsignedint rGPHDAT;   unsignedint rGPHUP;   unsigned

4、int rPAD8;      unsignedint rMISCCR;  //80   unsignedint rDCKCON;     unsignedint rEXTINT0;   unsignedint rEXTINT1;     unsignedint rEXTINT2;  //90 unsignedint rEINTFLT0; unsignedint rEINTFLT1; unsignedint rEINTFLT2; unsignedint rEINTFLT3;  //A0 unsignedint rEINTMASK; unsignedint rEINTPEND; unsi

5、gnedint rGSTATUS0;  //AC unsignedint rGSTATUS1;  //B0 unsignedint rGSTATUS2;  //B4 unsignedint rGSTATUS3;  //B8 unsignedint rGSTATUS4;  //BC }IOPreg; #ifdef__cplusplusextern"C"{#endifBOOLVirtualCopy(LPVOID,LPVOID,DWORD,DWORD);#ifdef__cplusplus}#endifintWINAPIWinMain(HINSTANCEhInstance,          

6、          HINSTANCEhPrevInstance,                    LPTSTR    lpCmdLine,                    int      nCmdShow){ volatileIOPreg*v_pIOPRegs; v_pIOPRegs=(volatileIOPreg*)VirtualAlloc(0,sizeof(IOPreg),MEM_RESERVE,PAGE_NOACCESS); if(v_pIOPRegs==NULL) {  DEBUGMSG(1,(TEXT("v_pIOPRegsisnotallocatedr

7、")));  returnTRUE; } if(!VirtualCopy((PVOID)v_pIOPRegs,(PVOID)IOP_BASE,sizeof(IOPreg),PAGE_READWRITE

8、PAGE_NOCACHE)){  DEBUGMSG(1,(TEXT("v_pIOPRegsisnotmappedr")));  returnTRUE; } DEBUGMSG(1,(TEXT("v_pIOPRegsismappedto%x