help

Question

I am using a raspberry pi and I have this code set to blink lights for 10 seconds. I am using a library called bottle from bottlepy.org to allow me to run a specific function tied to a web url. Ex.
if i say
@route('/bug')
def bug():
print("Hello World")
then going to the ip address of the pi followed by :1234/bug will run just that function.

Here is my code followed by my issue.
# Import Libraries
import RPi.GPIO as GPIO
import time
from bottle import route, run

#Setup GPIO Pins
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(17,GPIO.OUT)
GPIO.setup(15,GPIO.OUT)

#Set always on GPIO to Off
GPIO.output(17,GPIO.LOW)

timeout=time.time() + 10

print "Lets Start Blinking!!!!"
@route('/blink')

def blink():
GPIO.output(17,GPIO.HIGH)
time.sleep(1)
GPIO.output(17,GPIO.LOW)
GPIO.output(15,GPIO.HIGH)
time.sleep(1)
GPIO.output(15,GPIO.LOW)

while True:
blink()
if time.time()> timeout:
break
continue

run(host='192.168.1.70' , port=1234)

When I first run the program the lights blink for 10 seconds. Then I go to the url on my phone and click enter and it only blinks the lights once and does not blink for the full 10 seconds. Anyone have any idea whats wrong with my code?

Answer 1

You assigned "timeout" only once, in the initialization phase. You have to assign it inside blink() function; in this way it will be recalculated everytime you address your URL!

Answer 2

That doesnt work. Every time the blink function repeats because of continue this resets the timer and it goes non stop. But you give me an idea. I will create a function within a function. The web url will call the function that sets the timer and then activates the while loop...maybe that will work

Answer 3

Maybe
def call_blink():
timeout=time.time() + 10
while True:
blink()
If time.time()> timeout
Break
Continue