drivers.c

万龙开发板的原理图和pcb图

#include "44blib.h"

#include "drivers.h"




 
//-----------------------------------------------------------------------------
// ReceiveByte: Polled Recieved byte UART function
//-----------------------------------------------------------------------------
unsigned char s3c44b0x_ReceiveByte( void )
	{
	return Uart_Getch();
	}

//-----------------------------------------------------------------------------

void s3c44b0x_putchar( unsigned char data )
	{
	Uart_SendByte(data);
	}

	
//-----------------------------------------------------------------------------

int s3c44b0x_getchar(void)
	{
	return Uart_Getch();
	}

//-----------------------------------------------------------------------------



//-----------------------------------------------------------------------------
	 		 
void delay_ms(unsigned long delay)
{
unsigned long i;
for (i=0; i<delay;i++) delay_us(1000);
}

//-----------------------------------------------------------------------------



void delay_us(unsigned long delay)
{
  unsigned long  i,loops;
	loops = delay*8;
    for(i=0; i < loops; i++) 
	{	};

}
	
//-----------------------------------------------------------------------------


void s3c44b0x_SysHalt(void)
{
while(1)Uart_SendByte(Uart_Getch());
}