?? main.c
字號:
#include "cpu_reg.h"
#include "common.h"
#include "string.h"
int ms,f=1;
int DA_wptr,DA_rptr,y;
int play_mode;
void main()
{
unsigned int temp,i;
asm(" STM #0000h,CLKMD ");
while(*CLKMD & 0x01 );
asm(" STM #40c7h,CLKMD ");
asm(" stm #4240h, SWWSR ");
//2 wait except for on-chip program 1
asm(" stm #00a0h, PMST "); //MP/MC = 0, IPTR = 001,ovly=1
asm(" stm #0802h, BSCR ");
asm(" STM #0h,IMR ");
asm(" STM #0010h,TCR "); //關定時器
asm(" STM #0186ah,PRD ");//1ms
asm(" STM #0C2fh,TCR "); //TCR=最后四位
asm(" STM #0008h,IFR ");
asm(" ORM #0008h,*(IMR) ");/*開時間中斷*/
DA_wptr=0;
DA_rptr=0;
McBsp0_init(); //串口初始化
asm(" RSBX INTM "); /*開中斷*/
play_mode=0; //發警報聲
for(temp=30000;temp>0;temp-=100)
for(i=0;i<2;i++)
{
y=5000;
delay(temp);
y=-5000;
delay(temp);
}
play_mode=1; //發話筒音
ms=0;
while(1)
{
while(ms<500/f); //LED_flash
ms=0;
asm(" RSBX XF ");
while(ms<500/f);
ms=0;
asm(" SSBX XF ");
}
}
interrupt void timer0()
{
ms++;
}
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