MS_HW1_Ralu

Ex 1
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_UP)   #button
GPIO.setup(11,GPIO.OUT)
GPIO.output(11,GPIO.LOW)
button=0  #up
light=0 #off
while True:
    if (button==0 and light==0):
        if GPIO.input(12) == False:    #button is pressed
            GPIO.output(11, GPIO.HIGH)
            button=1
            light=1
    elif (button==1 and light==0):
        if GPIO.input(12):
            button=0
    elif (button==0 and light==1):
        if GPIO.input(12)==False:
            GPIO.output(11, GPIO.LOW)
            button=1
            light=0
    elif (button==1 and light==0):
        if GPIO.input(12):
            button=0
    sleep(0.2)
GPIO.cleanup()


Ex 2
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_UP)   #button
GPIO.setup(11,GPIO.OUT)
GPIO.output(11,GPIO.LOW)
button=0  #up
light=0 #off
def callback_fct(pin):
    if (button==0 and light==0):
        if GPIO.input(12) == False:    #button is pressed
            GPIO.output(11, GPIO.HIGH)
            button=1
            light=1
    elif (button==1 and light==0):
        if GPIO.input(12):
            button=0
    elif (button==0 and light==1):
        if GPIO.input(12)==False:
            GPIO.output(11, GPIO.LOW)
            button=1
            light=0
    elif (button==1 and light==0):
        if GPIO.input(12):
            button=0
GPIO.add_event_detect(12, GPIO.BOTH, callback=button_callback, bouncetime=100)
try:
time.sleep(300)
finally:
GPIO.cleanup()

Ex 3
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setup(12, GPIO.IN, pull_up_down=GPIO.PUD_UP)   #button
GPIO.setup(11,GPIO.OUT)
pwm = GPIO.PWM(11, 50)
pwm.start(10)
var=10
while True:
    if GPIO.input(12) == False
        var=var+10
pwm.ChangeDutyCycle(var)
    sleep(0.2)
GPIO.cleanup()


ex 4

import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setup(11,GPIO.OUT)
pwm = GPIO.PWM(11, 50)
pwm.start(0)
while True:
    for i in range(0,  103, 3):
pwm.ChangeDutyCycle(i)
sleep(0.02)
    for i in range(100, -3, -3):
        pwm.ChangeDutyCycle(i)
        sleep(0.02)
GPIO.cleanup()


Ex 5
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setup(11,GPIO.OUT)
pwm = GPIO.PWM(11, 50)
pwm.start(0)
var=0
def my_func(no_pulses, no_sec):
while var<no_pulses :
        for i in range(0,  103, 3):
pwm.ChangeDutyCycle(i)
sleep(0.02)
        for i in range(100, -3, -3):
            pwm.ChangeDutyCycle(i)
            sleep(0.02)
        sleep(no_sec)
        var=var+1
my_func(4, 2)