#Limitations caused by this software mean we are unable to input our sensors as we had planned, so we just did different colored LED's
#red LED is LED, blue LED is IR Emitter, green LED is IR Receiver, yellow LED is Ambient Light Sensor


#Program to control the state of a red LED based off IR sensor output.

#import libraries
import machine # this library is to work with external components
import utime # this library is to introduce time delay

#Configure GP14 and GP15 pins as output
red_LED = machine.Pin(14, machine.Pin.OUT)
IR_emitter = machine.Pin(15, machine.Pin.OUT)
#configure GP26 pin as ADC input and use useful name
IR_receiver = machine.ADC(26)

#infinite loop to k=continue on forever
while True:
    print(IR_receiver.read_u16()/20000)
    utime.sleep(0.2)
    
#Determine threshold by reading ADC.


#When IR-receiever exposed to light, its output is lower than the threshold.
#LED withh turn off when threshold exceeded.
   # IR_emitter.value(1) turns on LED
    
    if((IR_receiver.read_u16()/20000)>3.25): #check if IR reciever output is lower than threshold.
        red_LED.value(1) #if yes turn on LED
    else:
        red_LED.value(0) #if no, turn off LED
        



import machine #machine is used to interact with the GPIO pins
import utime #utime allows the code to wait for time
#We want to make that pin the output
led_onboard = machine.Pin(15, machine.Pin.OUT)
#This is a loop to turn the light on and off

#while True:
#This next line turns it on
    led_onboard.value(1)
    #This next line makes the light stay on for 2 seconds
 #   utime.sleep(2)
#This next line turns it off
  #  led_onboard.value(0)
    #This next line makes the light stay off for 2 seconds
   #  utime.sleep(2)