📄 ir_america_recieve.c
字号:
#include "AT892051.H"
#define uchar unsigned char
#define uint unsigned int
bit wave_flag = 1;
bit alarm;
bit led_flash_switch = 0;
bit delay_one_flag = 0;
bit one_two_pulse;
bit beam_pulse_switch;
uchar state_pulse;
uchar led_count = 0;
uchar syn_alarm;
uchar syn_timer;
uchar beam_num;
uchar beam_num_tmp;
uint recieve_flag = 0;
uint recieve_flag_tmp;
uchar one_two_timer;
uchar one_two_timer_value = 30;
uchar beam_pulse_counter = 1;
uint double_alarm_flag[9] = {0x00ff,0x027f,0x033f,0x039f,0x03cf,0x03e7,0x03f3,
0x03f9,0x03fc};
void timer1(void) interrupt 3
{
wave_flag = 0;
alarm = 1;
}
void delay_200us(void)
{
}
void delay_decode(void)
{
uint i;
for(i = 0;i<58;i++) {}
}
void recieve_fun(void)
{
//uint i;
//for(i = 0;i<6700;i++) {} // ~33.5ms
//PORTD |= BIT1;
// 1
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
//P1 = 0xff;
//P3 |= 0xfc;
if(P1_6 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1); // debug
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 2
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P1_7 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 3
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
//P3_5 = 1;
if(P3_5 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 4
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P1_1 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 5
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P1_0 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 6
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P3_7 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 7
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P1_2 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 8
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P1_3 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 9
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P1_4 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
// 10
/*PORTD &=~BIT1;
delay_200us();
PORTD |= BIT1;*/
if(P1_5 == 0)
{
P3_1 = 0;
delay_200us();
P3_1 = 1;
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x01;
}
else
{
delay_200us();
recieve_flag = (recieve_flag <<1);
recieve_flag |= 0x00;
}
delay_decode();
}
void syn_judge(void)
{
//uint i;
uint count_value_tmp;
uint timer1_count_value;
//********************************************
state_channel:TR1 = 0;
TH1 = 0x00;
TL1 = 0x00;
TF1 = 0;
TR1 = 1;
syn_timer = 0;
state_pulse = 0;
one_two_pulse = 0;
one_two_timer = 0;
// test start
do
{
syn_timer = 0;
TR0 = 0;
TH0 = 0x00;
TL0 = 0x00;
TF0 = 0;
TR0 = 1;
// P1_6 = 1;
while(!((P1_6 == 1) && (P1_7 == 1))) {}
while(!((P1_6 == 0) || (P1_7 == 0)))
{
if(TF0 == 1)
{
TF0 = 0;
syn_timer++;
if(syn_timer == 2)
{
alarm = 1;
TR0 = 0;
TF0 = 0;
goto judge_end;
}
}
}
// P1_6 = 1;
TR0 = 0;
TH0 = 0x00;
TL0 = 0x00;
TF0 = 0;
TR0 = 1;
while(!((P1_6 == 1) && (P1_7 == 1))) {} //if syn(PD1) = 0,then wait
TR0 = 0; //timer1 counter stop
//Get timer1 counter value
count_value_tmp = 0x00ff;
timer1_count_value = 0x00ff;
timer1_count_value &= TL0;
count_value_tmp &= TH0;
//count_value_tmp<<8;
timer1_count_value |= (count_value_tmp<<8);
if(((150 < timer1_count_value) && (timer1_count_value < 350)))
{
one_two_pulse = 1;
state_pulse++;
if(state_pulse == 3)
{
goto judge_start;
}
}
else
{
state_pulse = 0;
}
if(beam_pulse_switch == 1)
{
if(TF1 == 1)
{
TF1 = 0;
one_two_timer++;
if(one_two_timer > one_two_timer_value)
{
one_two_timer_value = 5;
if(one_two_pulse == 0)
{
beam_pulse_switch = 1;
alarm = 1;
TR1 = 0;
TF1 = 0;
goto judge_end;
}
else
{
one_two_timer = 0;
one_two_pulse = 0;
beam_pulse_switch = 0;
}
}
}
}
}
while(1);
// test end
judge_start:do
{
TR0 = 0;
TH0 = 0x00;
TL0 = 0x00;
TF0 = 0;
TR0 = 1;
// P1_6 = 1;
while(!((P1_6 == 1) && (P1_7 == 1))) {}
while(!((P1_6 == 0) || (P1_7 == 0)))
{
if(TF0 == 1)
{
TF0 = 0;
syn_timer++;
if(syn_timer == 2)
{
alarm = 1;
TR0 = 0;
TF0 = 0;
goto judge_end;
}
}
} //if syn(PD1) = 1,then wait
// P1_6 = 1;
TR0 = 0;
TH0 = 0x00;
TL0 = 0x00;
TF0 = 0;
TR0 = 1;
while(!((P1_6 == 1) && (P1_7 == 1))) {} //if syn(PD1) = 0,then wait
TR0 = 0; //timer1 counter stop
/* if(TF1 == 1)
{
TF1 = 0;
syn_timer++;
if(syn_timer == 2)
{
alarm = 1;
TR1 = 0;
TF1 = 0;
goto judge_end;
}
}*/
//Get timer1 counter value
count_value_tmp = 0x00ff;
timer1_count_value = 0x00ff;
timer1_count_value &= TL0;
count_value_tmp &= TH0;
//count_value_tmp<<8;
timer1_count_value |= (count_value_tmp<<8);
if(((2950 < timer1_count_value) && (timer1_count_value < 3150)))
{
beam_pulse_switch = 1;
delay_one_flag = 0;
goto judge_end;
}
else
{
goto state_channel;
}
}
//-----------------------------------
while(1); // 650us--750us
//
judge_end:TR1 = 0;
TR0 = 0; //timer1 counter stop
}
void main(void)
{
uint count;
/*uchar a[2],x=0;
uint b[1],*p;
TH0 = 4;
TL0 = 5;
TMOD = 0x01;
//TR0 = 1; // ENABLE TIMER0 COUNTER
a[1] = TL0;
a[0] = TH0;
p = a;*/
TH0 = 0;
TL0 = 0;
TH1 = 0;
TL1 = 0;
TMOD = 0x11;
//EA = 1;
//ET1 = 1;
beam_num_tmp = (P3 & 0x18);
if(beam_num_tmp == 0x00)
beam_num = 3;
else if(beam_num_tmp == 0x08)
beam_num = 5;
else if(beam_num_tmp == 0x10)
beam_num = 7;
else if(beam_num_tmp == 0x18)
beam_num = 9;
while(1)
{
syn_judge();
//if(wave_flag == 0) goto alarm_place;
//for(count = 0;count<6720;count++) {} // 33.5ms
TH0 = 0xfc; //1ms
TL0 = 0x17;
TF0 = 0;
TR0 = 1;
while(TF0 == 0) {}
TR0 = 0;
TF0 = 0;
for(count = 0;count<13;count++) {}
recieve_fun();
recieve_flag_tmp = recieve_flag;
if(P3_2 == 0)
{
for(count = 0;count < beam_num;count++)
{
if((recieve_flag_tmp | double_alarm_flag[count]) == double_alarm_flag[count]) {alarm = 1;syn_alarm = 3;}
}
}
else
{
if(beam_num == 3)
{
if((recieve_flag_tmp & 0x03c0) != 0x03c0) {alarm = 1;syn_alarm = 2;} // 4
}
if(beam_num == 5)
{
if((recieve_flag_tmp & 0x03f0) != 0x03f0) {alarm = 1;syn_alarm = 2;} // 6
}
if(beam_num == 7)
{
if((recieve_flag_tmp & 0x03fc) != 0x03fc) {alarm = 1;syn_alarm = 2;} // 8
}
if(beam_num == 9)
{
if((recieve_flag_tmp & 0x03ff) != 0x03ff) {alarm = 1;syn_alarm = 2;} // 10
}
}
if(alarm == 1)
{
led_flash_switch = 1;
P3_0 = 0;
for(count = 0;count < 20;count++)//1s
{
TH0 = 0x3c; //50ms
TL0 = 0xaf;
TR0 = 1;
while(TF0 == 0) {}
TR0 = 0;
TF0 = 0;
}
P3_0 = 1;
for(count = 0;count < 10;count++)//0.5s
{
TH0 = 0x3c; //50ms
TL0 = 0xaf;
TR0 = 1;
while(TF0 == 0) {}
TR0 = 0;
TF0 = 0;
}
}
alarm = 0;
wave_flag = 1;
recieve_flag = 0;
// while(1) {}
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -