test_appdriver.cpp

CE device driver exam

// Test_AppDriver.cpp : Defines the entry point for the application.
//

#include "stdafx.h"

#include <windows.h>
#include <ceddk.h>

#define S3C2410X_BASE_REG_PA_UART0              (0x50000000)            
#define S3C2410X_BASE_REG_PA_UART1              (0x50004000)            
#define S3C2410X_BASE_REG_PA_UART2              (0x50008000)       

typedef struct {
    UINT32 ULCON;                   // line control reg
    UINT32 UCON;                    // control reg
    UINT32 UFCON;                   // FIFO control reg
    UINT32 UMCON;                   // modem control reg
    UINT32 UTRSTAT;                 // tx/rx status reg
    UINT32 UERSTAT;                 // rx error status reg
    UINT32 UFSTAT;                  // FIFO status reg
    UINT32 UMSTAT;                  // modem status reg
    UINT32 UTXH;                    // tx buffer reg
    UINT32 URXH;                    // rx buffer reg
    UINT32 UBRDIV;                  // baud rate divisor

} S3C2410X_UART_REG, *PS3C2410X_UART_REG;

volatile S3C2410X_UART_REG *g_pUARTReg;


VOID WriteSerialByte(PCHAR string, int numberofchars)
{
	
	for (int i=0; i<numberofchars; i++)
	{
		while(((g_pUARTReg->UTRSTAT) & 0x02) == 0);
		g_pUARTReg->UTXH = (UINT32) string[i];
	}
	return;
}


int WINAPI WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPTSTR     lpCmdLine,
                     int       nCmdShow)
{
    // TODO: Place code here.

	 DWORD dwRet = 0;

//	 PHYSICAL_ADDRESS PA;
	 CHAR string[] = "\r\n Test AppDriver :: Windows Embedded CE 6.0 !!! \r\n";

	 RETAILMSG(1,(TEXT("Test Application Driver :: Initialize Memory for Serial port \r\n")));

// Initialize memory for Serial port (Debug port)
/*
     PA.QuadPart = S3C2410X_BASE_REG_PA_UART1;

     g_pUARTReg =(volatile S3C2410X_UART_REG  *) MmMapIoSpace(PA, sizeof(S3C2410X_UART_REG), FALSE);

     if(!g_pUARTReg)
     {
        RETAILMSG(1,(TEXT("Test Application Driver :: Memory for Serial port Initialize Failed !!!\r\n")));
	    return dwRet;
     }
*/
	 g_pUARTReg = (volatile S3C2410X_UART_REG *)VirtualAlloc(0, sizeof *g_pUARTReg, MEM_RESERVE, PAGE_NOACCESS);
	 
	 if (g_pUARTReg == NULL)
	 {
        RETAILMSG(1,(TEXT("Test Application Driver :: VirtualAlloc failed for Serial port !\r\n")));
	 }
	 else
	 {
		 if (!VirtualCopy((PVOID)g_pUARTReg, (PVOID)(S3C2410X_BASE_REG_PA_UART1 >> 8), sizeof *g_pUARTReg, PAGE_PHYSICAL | PAGE_READWRITE | PAGE_NOCACHE))
        {
            RETAILMSG(1,(TEXT("TTest Application Driver :: VirtualCopy failed for Serial port !\r\n")));
            VirtualFree((PVOID)g_pUARTReg, 0, MEM_RELEASE);
            g_pUARTReg = NULL;
        }
     }

	dwRet=1;

	WriteSerialByte(string, sizeof(string));

    return dwRet;
}