task.c

基于44b0X,flash:0 ram:0xc

#include "44b.h"
#include "def.h"

#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>

#define  HT_DELAY   (10)
#define  LED_DELAY  (30000)
#define  SEG_DELAY  (30000)
#define  UART_DELAY (30000)
#define  UART_BAUD  (115200)
#define  MCLK 	  (60000000)
#define  rSEGDISP	 (*(volatile unsigned *)0x04000000)

static int whichUart = 0;

void Uart_Select(int ch);
void Uart_Sendch(char data);
void Uart_SendData(char data);
void Uart_SendString1(char *pt);
void Uart_Printf1(char *fmt,...);
int Uart_Flush(void) ;
void Uart_Init1(long clk,long baud);

void Sys_Init(void)
{
  rSYSCFG = CACHECFG;
  
  //rNCACHBE0 = 0XC0002000;
  rPCONB = 0x1cf; 
  rPDATB = 0xffff;
  
      /* PORTE  */   
    rPCONE = 0x5568;
    rPDATE = 0xd0;
    rPUPE  = 0x6;

Uart_Select(0);    
Uart_Init1(MCLK,UART_BAUD);
  
      
}  

void Led_Display1(U32 LedStatus)
{
    rPDATB = LedStatus;
}

void Seg_Display(U32 SegStatus)
{
  rSEGDISP = SegStatus;
}


void Delay1(int time)
{
  int counter=time*400;    
  while(counter--);
}


void Led_Test(void)
{
    Led_Display1(0x0);
    Delay1(LED_DELAY);
    Led_Display1(0x7df);
    Delay1(LED_DELAY);
    Led_Display1(0x7ef);
    Delay1(LED_DELAY);
    Led_Display1(0x3ff);
    Delay1(LED_DELAY);
    Led_Display1(0x5ff);
    Delay1(LED_DELAY);
    Led_Display1(0xffff);
    Delay1(LED_DELAY);
}

void Seg_Test(void)
{
	/* Use the high 8 bit */ 
	Seg_Display(0x12000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x9f000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x31000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x15000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x9c000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x54000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x50000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x1f000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x10000000);
	Delay1(SEG_DELAY);
	Seg_Display(0x14000000);
	Delay1(SEG_DELAY);
	Seg_Display(0xff000000);
}


void Uart_Test(void)
{
		Uart_Sendch(0x0d);
		Uart_Sendch(0x0a);
		Uart_Printf1("@    Q__Q    \n" );
		Uart_Sendch(0x0d);
		Uart_Sendch(0x0a);

		Delay1(UART_DELAY);
		Uart_Printf1("@   /____\\   \n" );

		Uart_Sendch(0x0d);
		Uart_Sendch(0x0a);

		Delay1(UART_DELAY);
		Uart_Printf1("@   \\____/   \n" );

		Uart_Sendch(0x0d);
		Uart_Sendch(0x0a);

		Delay1(UART_DELAY);
		Uart_Printf1("@    /\\/\\    \n" );

		Uart_Sendch(0x0d);
		Uart_Sendch(0x0a);

		Delay1(UART_DELAY);
		Uart_Printf1("@ __(\\\\//)__ \n" );

		Uart_Sendch(0x0d);
		Uart_Sendch(0x0a);

		Delay1(UART_DELAY);
		Uart_Printf1("@ >__/ww\\__< \n" );

		Delay1(UART_DELAY);
		Uart_Sendch(0x0d);
		Uart_Sendch(0x0a);
		Uart_Printf1("@\n" );

}


void Uart_Init1(long clk,long baud)
{
    /* FIFO disable, MODEM disable */
    	rUFCON0  = 0x0;     			
    	rUFCON1  = 0x0;
  	rUMCON0  = 0x0;
  	rUMCON1  = 0x0;

	/* Normal,No parity,1 stop,8 bit */
	rULCON0  = 0x3;	
	rUCON0   = 0x205;
	rUBRDIV0 = (int)(clk / 16 / baud + 0.5) - 1; 

    	rULCON1  = 0x3;
    	rUCON1   = 0x205;
   	rUBRDIV1 = (int)(clk / 16 / baud + 0.5) - 1;
}


/******************** Uart_Select ************************/

void Uart_Select(int ch)
{
	whichUart = ch;
}




/******************** Uart_SendByte **********************/

void Uart_Sendch(char data)
{
    if(whichUart==0)
    {
		if(data=='\n')
		{
	   	while(!(rUTRSTAT0 & 0x2));
	    	/* For the slow response of HT */
	    	Delay1(HT_DELAY);
	    	WrUTXH0('\r');
		}
		while(!(rUTRSTAT0 & 0x2));
		Delay1(HT_DELAY);
		WrUTXH0(data);
    }
    else
    {
		if(data=='\n')
		{
    		while(!(rUTRSTAT1 & 0x2));
	    	Delay1(HT_DELAY);			
	    	rUTXH1='\r';
		}
		while(!(rUTRSTAT1 & 0x2));  	
		Delay1(HT_DELAY);
		rUTXH1=data;
    }	
}		


/******************** Uart_SendByte **********************/

void Uart_SendData(char data)
{
    if(whichUart==0)
    {
		while(!(rUTRSTAT0 & 0x2));
		WrUTXH0(data);
    }
    else
    {
		while(!(rUTRSTAT1 & 0x2));  	
		rUTXH1=data;
    }

}		


/******************** Uart_SendString **********************/

void Uart_SendString1(char *pt)
{
   	while(*pt)
		Uart_Sendch(*pt++);
}


/******************** Uart_Printf **********************/

void Uart_Printf1(char *fmt,...)
{
	va_list ap;
    char string[256];

    va_start(ap,fmt);
    vsprintf(string,fmt,ap);
    Uart_SendString1(string);
    va_end(ap);
}




/******************** Uart_Flush **********************/

int Uart_Flush(void) 
{
	char temp;
	
	if(whichUart == 0)
    {	    
		if(rUTRSTAT0 & 0x1) 		
		{
			temp = RdURXH0();
			return 1;
		}
		else
			return 0;
		
    }
    else
    {
		if(rUTRSTAT1 & 0x1) 
		{		
			temp = RdURXH1();
			return 1;
		}
		else
			return 0;
    }
}