关机APP代码实现

#define IOP_BASE 0xB1600000 // 0x56000000
typedef struct {
unsigned int rGPACON; // 00
unsigned int rGPADAT;
unsigned int rPAD1[2];

unsigned int rGPBCON; // 10
unsigned int rGPBDAT;
unsigned int rGPBUP;
unsigned int rPAD2;

unsigned int rGPCCON; // 20
unsigned int rGPCDAT;
unsigned int rGPCUP;
unsigned int rPAD3;

unsigned int rGPDCON; // 30
unsigned int rGPDDAT;
unsigned int rGPDUP;
unsigned int rPAD4;

unsigned int rGPECON; // 40
unsigned int rGPEDAT;
unsigned int rGPEUP;
unsigned int rPAD5;

unsigned int rGPFCON; // 50
unsigned int rGPFDAT;
unsigned int rGPFUP;
unsigned int rPAD6;

unsigned int rGPGCON; // 60
unsigned int rGPGDAT;
unsigned int rGPGUP;
unsigned int rPAD7;

unsigned int rGPHCON; // 70
unsigned int rGPHDAT;
unsigned int rGPHUP;
unsigned int rPAD8;
}IOPreg;
volatile IOPreg *G_pIOPRegs=NULL;

extern "C" _declspec(dllimport) BOOL VirtualCopy(LPVOID lpvDest, LPVOID lpvSrc,
DWORD cbSize,DWORD fdwProtect);
void CStartDlg::OnButton1()
{

G_pIOPRegs = (volatile IOPreg*)VirtualAlloc(0, sizeof(IOPreg), MEM_RESERVE, PAGE_NOACCESS);
if (G_pIOPRegs == NULL)
{
DEBUGMSG (1,(TEXT("G_pIOPRegs is not allocated/n/r")));
// return false;
}
if (!VirtualCopy((PVOID)G_pIOPRegs, (PVOID)IOP_BASE, sizeof(IOPreg), PAGE_READWRITE|PAGE_NOCACHE))
{
DEBUGMSG (1,(TEXT("G_pIOPRegs is not mapped/n/r")));
// return false;
}

G_pIOPRegs->rGPCCON &= ~(0x3<<14)|(0x3<<12);
G_pIOPRegs->rGPCCON |= (0x1<<14)|(0x1<<12);
G_pIOPRegs->rGPCUP |= (0x1<<7)|(0x1<<6);
G_pIOPRegs->rGPCDAT |= (0x1<<7)|(0x1<<6);

G_pIOPRegs->rGPBCON&=~(0x3);
G_pIOPRegs->rGPBCON|=0x1;
G_pIOPRegs->rGPBDAT&=~(0x1);
G_pIOPRegs->rGPBUP|=0x1;

G_pIOPRegs->rGPBCON &= ~(0x3<<8);
G_pIOPRegs->rGPBCON |= (0x1<<8);
G_pIOPRegs->rGPBUP |= (0x1<<4);
G_pIOPRegs->rGPBDAT&= ~(0x1<<4);


G_pIOPRegs->rGPGDAT &= ~(1<<3);
G_pIOPRegs->rGPGUP |= (0x1<<3);
G_pIOPRegs->rGPGCON &= ~(0x3<<6);
G_pIOPRegs->rGPGCON |= (0x1<<6);

G_pIOPRegs->rGPADAT &= ~(1<<13);
G_pIOPRegs->rGPACON &= ~(1<<13);
}