myblinky.c

aduc7026裸机程序

/*
 * 说明：Uart工作正常，P4.2口控制LED显示
 *
 *
 */
#include <aduc7026.h>
#define LED2 (0x01 << 2)
#define LEDON 	(GP4CLR |= (LED2 << 16))
#define LEDOFF	(GP4SET |= (LED2 << 16))
#define Fcore	41780000L
#define Baut	19200
void Delay(int time)
{
    int i;
	while(time > 0){
	    time--;
		i = 255;
	    while(i > 0){
			i--;
		}
	}
}

void  SysInit()
{
    PLLKEY1 = 0xAA;
    PLLCON = 0x01;       //PLL + 32kHz oscillator – default configuration
    PLLKEY2 = 0x55;
    POWKEY1 = 0x01;
    POWCON = 0x00;	     //the clock configured as 45.088M
    POWKEY2 = 0xF4;
}

void UartInit()
{
    GP1CON 	= 0x11;	 //SIN SOUT LINK TO P1.0,P1.1
	COMCON0 = 0x83;	 //SETTING TO ACCESS DIV0 AND DIV1
	COMDIV0 = 0x44;	 //baute rate at 19200 bps
	COMDIV1 = 0x0;
	COMCON0 = 0X03;	 //SET TO OUT DIV0 AND DIV1
}

void SendByte(unsigned char Bdata)
{
    while(!(COMSTA0 & 0x40));
	COMTX = Bdata;
}

void PrintStr(unsigned char *p)
{
    int i = 0;
	while( p[i] != 0){
	    SendByte(p[i]);
		i++;
	}
	SendByte(0x0D);
	SendByte(0x0A);
}

/*
 * 等字宽输出数字 如00011   01234
 */
/*void SendNum(int num)
{
    SendByte(num / 10000 + 0x30);
	num = num % 10000;
	SendByte(num / 1000 + 0x30);
	num = num % 1000;
	SendByte(num / 100 + 0x30);
	num = num % 100;
	SendByte(num / 10 + 0x30);
	SendByte(num % 10 + 0x30);   
}*/
/*
 * 串口终端输出数字
 * 数大小为16位 《= 99999
 */
void SendNum(int num)
{
    if(num >= 10){
		if(num >=100){
			if(num >= 1000){
				if(num>= 10000){
					SendByte(num / 10000 + 0x30);
					num = num % 10000;
				}
				SendByte(num / 1000 + 0x30);
				num = num % 1000;
			}
			SendByte(num / 100 + 0x30);
			num = num % 100;
		}
		SendByte(num / 10 + 0x30);
	}
	SendByte(num % 10 + 0x30);

}
int main(void)
{
    GP4DAT |= (LED2 << 24);	   //set p4.2 as output
	SysInit();
	UartInit();	
	PrintStr("hello begin!");
	PrintStr("line one\n");
	SendNum(0x112);
	SendNum(11);
	
	while(1){
		LEDON;
		Delay(2000);
		LEDOFF;
		Delay(2000);
	} 
}