Int Sensorpin = A0; Select the Input Pin for the Photosensor
Program Laser_target2
#include "LowPower.h"
long int high;
long int low;
float period;
float duty;
int average=500;
int sensorpin = A0; // select the input pin for the photosensor
int sensorValue = 0; // variable to store the value coming from the sensor
char i=0;
int j=0;
int p=0;
int k=0;
int m=0;
int n=0;
int Q;
unsigned char puls_cnt=0;
int delayT[]={125,125,125,125,125,125};
int dspnum[]={3,3,3,2,2,2}; // these are numner pins each state
int dspval[]={2,3,4,5,6,7,2,3,4,5,2,3,6,4,7};
//
void setup()
{
for (i=2;i<21;i++)
{
digitalWrite(i,LOW);
}
pinMode(2, OUTPUT); // dsp outputs
pinMode(3, OUTPUT); // display outputs
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT); // set to some value
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
pinMode(12, OUTPUT);
pinMode(13, OUTPUT);
pinMode(15, OUTPUT);
pinMode(16, OUTPUT);
pinMode(17, OUTPUT); // set to some value
pinMode(18, OUTPUT);
pinMode(19, OUTPUT);
pinMode(20, OUTPUT);
delay(1000);
digitalWrite(5,HIGH);
delay(5000);
digitalWrite(5,LOW);
}
void loop()
{
j=0;
i=0;
k=0;
LowPower.powerDown(SLEEP_30MS, ADC_OFF,BOD_OFF);
digitalWrite(8,HIGH); // power to sensor
delayMicroseconds(40);
int Q=analogRead(sensorpin);
if (average>150)
{
j=.15*average;
if (Q>average | (average-Q)<j)
{
average=(Q+4*average)/5;
}
else
{
while(i<1)
{
low=micros();
j= 85; // 1250
k=.85*average;
while (analogRead(sensorpin)<k & j>0)
{
j--;
delayMicroseconds(500); // 42.5ms
}
if (j>0)
{
high=micros();
low=high-low;
j= 50; // 1250
while (analogRead(sensorpin)>=k & j>0) // assume ~8us
{
j--;
delayMicroseconds(500); // 35.5ms
}
if (j>0)
{
digitalWrite(8,LOW); // disable power to sensor
high=micros()-high;
period=high+low;
duty=low/period;
period=period/1000;
// qualify period and duty cycle for 3 consequentuive pulses (no gap)
if (period>35 & period<58) //17 /<28Hz
{
if (duty> .48 & duty < .67) // single pulse sequence
{
puls_cnt++;
if (puls_cnt>0)
{
digitalWrite(8,LOW); // disable power to sensor
setdisplay();
puls_cnt = 0;
i=1;
}
}
else
{
puls_cnt =0;
i=1;
}
}
else
{
puls_cnt =0;
//i=1; reset pulse cnt but loop to qualify a next pulse
}
}
else
{
puls_cnt =0;
i=1;
}
}
else
{
average = .95*average;
puls_cnt =0;
i=1;
}
}
}
}
digitalWrite(8,LOW); // disable power to sensor
}
//
// ************************************************
void setdisplay()
{ // execute display
n=1;
// exec sequence
for (i=0;i<6;i++) // 6 matches the # of display states
{
j=n-1;
m=dspnum[i]; // dspnum is number of items to display this state
for (k=0;k<m;k++)
{
digitalWrite(dspval[n-1],HIGH);
n++;
}
delay(delayT[i]);
for (k=0;k<m;k++)
{
digitalWrite(dspval[j],LOW);
j++;
}
}
}
********MicroChip PIC12F509 code for triggered pulsed sequence gun ******
Laser Drive (momentary, normally off)
;init F509 based
; 508/9 part
; P1,2 are laser high drive
; P0 is discrete switch, using explicate qualification/ !delta
; does not use WDT 3 each 30 on, 20 off, .254S gap
tmrcnt equ 0x10
pcnt equ 0x11
tmp equ 0x12
bits equ 0x13
#define bounce bits,0
#define done bits,1
#define ZERO 3,2
timage equ 0x14
image equ 0x15
;
clrf 6
movlw 0xF9 ; 1111 1001
TRIS 6
movlw 0x80 ; enb pullup(s)
OPTION
movlw 1
movwf image
top1:
clrf bits ; clr bounce and done
; ***************************************
top: ; wakeup on compare trip
movfw 6
movwf timage
xorwf image,w
andlw 1
btfsc ZERO
goto top2
; not same
movfw timage
movwf image
goto top1
;
top2: ; same
btfsc bounce
goto t4
bsf bounce
movlw .27 ; init tmr,set for 27ms (debounce)
movwf tmrcnt
t8:
call msdelay
decfsz tmrcnt ; wait
goto t8
goto top
t4:
btfsc done
goto top1
btfsc image,0
goto top1
bsf done
movlw 3 ; set for 3 pulse per trip
movwf pcnt
t1:
movlw .30 ; init tmr ; set for 30ms on time
movwf tmrcnt
movlw 0xFF ; assert lasr
movwf 6
t2:
call msdelay
decfsz tmrcnt ; wait
goto t2
movlw .20 ; init tmr ; set for 20ms off time
movwf tmrcnt
movlw 0xF9 ; 1111 1001 ; clr lasr
movwf 6 ; disable lasr
t3:
call msdelay
decfsz tmrcnt ; wait
goto t3
decfsz pcnt ; qual numbe of pulses
goto t1
movlw .250; init tmr ; set for 254ms gap
movwf tmrcnt
t5:
call msdelay
decfsz tmrcnt ; wait
goto t5
;
movlw .96; init tmr ; set for total .5s gap
movwf tmrcnt
t6:
call msdelay
decfsz tmrcnt ; wait
goto t6
goto top1
; **************************************
msdelay: ; subservice
movlw .249
movwf tmp
d1:
nop
decfsz tmp
goto d1
retlw 0
end