mainloop.c

D12固件程序

#include "io8515v.h"
#include <macros.h>

#include "d12head.h"

#pragma interrupt_handler D12_int:2

int shu[3];
int o=1;
int u;

/*薛注释,how to use interrupt in iccavr：
#pragma interrupt_handler timer:4 timer:5
中断向量4 和5 都指向中断处理函数timer( )
*/

void main(void)
{
	unsigned char i=0,j,xue;
	int m=0;
	
	SPL = 0x5f;
	SPH = 0x02;
	
	PORTC = 0xff;
	DDRC  = 0xff;//保持状态
	
	//先CPLD复位(PD.4)，然后FIFO复位(PB.6)，接着使能时钟(PB.7)，
	//最后开始积分命令(PB.2)！
	////DDRB = 0xfc;   //11111100
	////PORTB = 0xbc;     //10111100//FIFO复位//不使能时钟
	
    DDRA  = 0xff; //关闭上拉电阻,使正确读写外部SRAM
	GIMSK = 0x00;
	MCUCR = 0xc4;//asm("OUT 0x35,R20"); 1100 0100 中断0设置为低电平触发
	
	UCR  = 0x00;    //设置fifoPD1
	DDRD=0xfb;
	PORTD=0xdd;
	for(m=0;m<6;m++)
	cwait1;
	PORTD=0xdf;
	
	DDRB=0x00;
	DDRC  = 0x00;
	D12_COMMAND = 0xf3;
	cwait;
	D12_DATA = 0x06;//设置模式0
	cwait;
	///D12_COMMAND = 0xd0;
	///cwait;
	///D12_DATA = 0x80;//设置地址 0 使能
	///cwait;
	D12_COMMAND = 0xf3;//连接主机
	cwait;
	D12_DATA = 0x16;//16
	cwait;
	D12_DATA = 0x05;//初始化频率 8MHz
	csram;
	
	SREG = 0x80;//全局中断使能
	GIMSK = 0x40;
	//TCNT0 = 0x85;
	//TIMSK = 0x02; //启动计时器0中断
	
	TCCR1B = 0xc0;//启动ICP上升沿出入捕获
	
	//UCR  = 0x00; //disable while setting baud rate
	//UBRR = 25; //set baud rate 19.2K 波特率
	//UCR  = 0x1d; //enable 0001 1101
	
	
	
		
	
	while(1)
	{
/*		if(bconfig==1)
		{
			
			if(o==1)
			{
				o=0;
				D12_COMMAND=0x05;
				D12_COMMAND=0xf0;
				D12_DATA=0;
				D12_DATA=64;
				D12_DATA=0xaa;
				D12_DATA=0xcc;
				D12_DATA=0xee;
				D12_DATA=0xff;
				for( u=0;u<60;u++)
					D12_DATA=u;
				D12_COMMAND=0xfa;
			}
		}
		
*/		
		
		
	}	
	
	
	
	
}