lcdio.cpp

关于2410上面的IC卡代码程序.基于WINCE,欢迎下载共同讨论

#include "stdafx.h"
#include "lcdio.h"

CLcdIo::CLcdIo()
{

}
BOOL CLcdIo::bInitLcdReg()
{
	v_pLCDreg = (volatile LCDreg*)VirtualAlloc(0, sizeof(LCDreg), MEM_RESERVE, PAGE_NOACCESS);
	if (v_pLCDreg == NULL) 
	{
		MessageBox(NULL,TEXT("v_pLCDreg is not allocated\n\r"),NULL,1);
		return FALSE;
	}
	if (!VirtualCopy((PVOID)v_pLCDreg, (PVOID)LCD_BASE, sizeof(LCDreg), PAGE_READWRITE|PAGE_NOCACHE)) 
	{
		MessageBox (NULL,TEXT("v_pLCDreg is not mapped\n\r"),NULL,1);
		return FALSE;
	}
	DEBUGMSG (1,(TEXT("v_pLCDreg is mapped to %x\n\r"), v_pLCDreg));

	v_pIOPRegs = (volatile IOPreg*)VirtualAlloc(0, sizeof(IOPreg), MEM_RESERVE, PAGE_NOACCESS);
	if (v_pIOPRegs == NULL) 
	{
		DEBUGMSG (1,(TEXT("v_pIOPRegs is not allocated\n\r")));
		return FALSE;
	}
	if (!VirtualCopy((PVOID)v_pIOPRegs, (PVOID)IOP_BASE, sizeof(IOPreg), PAGE_READWRITE|PAGE_NOCACHE)) 
	{
		DEBUGMSG (1,(TEXT("v_pIOPRegs is not mapped\n\r")));
		return FALSE;
	}
	DEBUGMSG (1,(TEXT("v_pIOPRegs is mapped to %x\n\r"), v_pIOPRegs));
	return	TRUE;
}
void CLcdIo::LcdOff()
{
	v_pIOPRegs->rGPGUP=v_pIOPRegs->rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
	v_pIOPRegs->rGPGCON=v_pIOPRegs->rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN	 
	v_pLCDreg->rLCDCON5=v_pLCDreg->rLCDCON5&(~(1<<3))|(1<<3);   // PWREN
	v_pLCDreg->rLCDCON5=v_pLCDreg->rLCDCON5&(~(1<<5))|(0<<5);   // INVPWREN   
	v_pLCDreg->rLCDCON1&=~1;
}	
void CLcdIo::LcdOn()
{
	v_pIOPRegs->rGPGUP=v_pIOPRegs->rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable
	v_pIOPRegs->rGPGCON=v_pIOPRegs->rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN	
	v_pLCDreg->rLCDCON5=v_pLCDreg->rLCDCON5&(~(1<<3))|(1<<3);   // PWREN
	v_pLCDreg->rLCDCON5=v_pLCDreg->rLCDCON5&(~(1<<5))|(0<<5);   // INVPWREN   
	v_pLCDreg->rLCDCON1|=1;
}