# Test interrupts
# 9/Oct 2022  J Fisher

#### imports
from machine import Pin
import time, utime
from UKMARS import *

stp = Pin(28, Pin.IN)    # set up stop sensor input as digital not analogue
    
Markers = 0
ssense = 0


    
def stpirq(which):
    global Markers          # count of stop sensors
    global ssense           # sensor "value" for main prog
    if (stp.value() == 1):     # Black
        led2.off()             # side LED
        ssense = 0
    else:                      # white
        led2.on()              # side LED
        ssense = 100
        Markers+=1
    print (which)

              # set up interrupt handler for pin stp as stpirq()
stp.irq(handler=stpirq,trigger=Pin.IRQ_FALLING|Pin.IRQ_RISING) 

while True:
    time.sleep(1)
    print (Markers,ssense)