utils.c

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#include <windows.h>
#include "s2450addr.h"
#include "option.h"
#include "utils.h"

//***************************[ PORTS ]****************************************************
void Port_Init(void)
{
}


void Led_Display(int data)
{
	// Active is low.(LED On)
	// GPF7  GPF6   GPF5   GPF4
	// nLED_8 nLED4 nLED_2 nLED_1
	//
	rGPFDAT = (rGPFDAT & ~(0xf<<4)) | ((data & 0xf)<<4);
}

// Do-nothing delay loop.
//
void Delay(void)
{
    volatile int i;

    for(i=0 ; i < 1000 ; i++)
    {
    }
}



//***************************[ UART ]******************************
void Uart_Init(void)
{
    int i;
    rGPHCON = rGPHCON & ~((3 << 4)|(3 << 6));
    rGPHCON = rGPHCON | ((2 << 4)|(2 << 6));

    // Disable pull-up on TXD1 and RXD1.
    //
#if (BSP_TYPE == BSP_SMDK2443)
#ifdef EVT1
    rGPHUDP = rGPHUDP | ((1 << 4)|(1 << 6));
#else
	rGPHUDP = rGPHUDP | ((2 << 4)|(2 << 6));
#endif
#elif (BSP_TYPE == BSP_SMDK2450)
    rGPHUDP = rGPHUDP | ((1 << 4)|(1 << 6));
#endif

    rUFCON1 = 0x0;      // FIFO disable
    rUMCON1 = 0x0;      // AFC disable

    rULCON1 = 0x3;      // Normal,No parity,1 stop,8 bits
    rUCON1  = 0x005;

    rUBRDIV1=( (int)(PCLK/16./115200) -1 );

    for(i=0;i<100;i++);

}

//=====================================================================
void Uart_SendByte(int data)
{
        if(data=='\n')
        {
            while(!(rUTRSTAT1 & 0x2));
            Delay();                 //because the slow response of hyper_terminal
            WrUTXH1('\r');
        }

        while(!(rUTRSTAT1 & 0x2));   //Wait until THR is empty.
        Delay();
        WrUTXH1(data);
}


//====================================================================
void Uart_SendString(char *pt)
{
    while(*pt)
        Uart_SendByte(*pt++);
}

//====================================================================
void Uart_SendDWORD(DWORD d, BOOL cr)
{
    Uart_SendString("0x");
    Uart_SendString(hex2char((d & 0xf0000000) >> 28));
    Uart_SendString(hex2char((d & 0x0f000000) >> 24));
    Uart_SendString(hex2char((d & 0x00f00000) >> 20));
    Uart_SendString(hex2char((d & 0x000f0000) >> 16));
    Uart_SendString(hex2char((d & 0x0000f000) >> 12));
    Uart_SendString(hex2char((d & 0x00000f00) >> 8));
    Uart_SendString(hex2char((d & 0x000000f0) >> 4));
    Uart_SendString(hex2char((d & 0x0000000f) >> 0));
    if (cr)
        Uart_SendString("\n");
}
void Uart_SendBYTE(BYTE d, BOOL cr)
{
	//Uart_SendString("0x");
	Uart_SendString(hex2char((d & 0x000000f0) >> 4));
	Uart_SendString(hex2char((d & 0x0000000f) >> 0));
	Uart_SendString(" ");
	if (cr)
		Uart_SendString("\n");
}
//====================================================================
char *hex2char(unsigned int val)
{
    static char str[2];

    str[1]='\0';

    if(val<=9)
        str[0]='0'+val;
    else
        str[0]=('a'+val-10);

    return str;
}