main.c

EMB91SAM7S64开发板(全套资料)

//*--------------------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*--------------------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*--------------------------------------------------------------------------------------
//* File Name           : Boot_loader main file
//* Object              :
//* Translator          :
//* 1.0 19/03/01 HI	: Creation
//* 1.1 02/10/02 FB	: Add on Svc DataFlash
//* 1.2 13/Sep/04 JPP	: Add DBGU
//* 1.3 16/Dec/04 JPP	: Add USART and enable reset
//*--------------------------------------------------------------------------------------

#include "board.h"

extern void		AT91F_DBGU_Printk(char *);
extern char		AT91F_DBGU_getc(void);
extern void		uprintf(char *fmt,...);

//*--------------------------------------------------------------------------------------
//* Function Name       : delay
//* Object              : Software delay loop
//* Input Parameters    : none. Waiting time
//* Output Parameters   : none
//*--------------------------------------------------------------------------------------
void delay(unsigned int x)
{//* Begin
	unsigned int i;
	while(--x)
	{
		for(i=0;i<5000;i++);
	}
}//* End

//*--------------------------------------------------------------------------------------
//* Function Name       : main
//* Object              :
//*--------------------------------------------------------------------------------------
int main ( void )
{
	unsigned char	caractere;
	unsigned int tick=8019;
    
	AT91F_DBGU_Printk("\n\r================================================");
	AT91F_DBGU_Printk("\n\r==         欢迎使用英贝德公司的产品           ==");
	AT91F_DBGU_Printk("\n\r==         EBD7S64 各种中断的演示测试         ==");
	AT91F_DBGU_Printk("\n\r==   更多的的帮助请到 http://www.szembed.com  ==");		
	AT91F_DBGU_Printk("\n\r================================================\n\r");

	while (1) {
		caractere = AT91F_DBGU_getc();
		switch(caractere)
		{
			case '\r':
			
				uprintf("\n\r%d\n\r",tick);	
				break;				
				
			case '-':
				uprintf("\n\r%d\n\r",--tick);
				break;				
			case '+':								
				uprintf("\n\r%d\n\r",++tick);
				break;				
			case 'Y':			
			case 'y':	
				uprintf("\n\rhello world\n\r");				
				break;			
			default:
				AT91F_DBGU_Printk("\n\rBad choice, Retry please\n\r");
				break;
		}	
	
	}

	while (1) {
		AT91F_DBGU_Printk(".");
		delay(2000);
	}

/*
	tick = *(AT91C_ST_CRTR);
	while (1) {
		AT91F_DBGU_Printk(".");
		
		while (tick == *(AT91C_ST_CRTR));
		tick = *(AT91C_ST_CRTR);
	}
*/
}