#! /usr/bin/python
# Flash a LED
# Import the libraries we need
import RPi.GPIO as GPIO
import time
# Build dictionary of post inputs.
import sys
POST = {}
# Split each input parameter on ampersand.
args = sys.stdin.read().split('&')
for arg in args:
# split the name value pairs and add
them to the POST dictionary
inp = arg.split('=')
POST[inp[0]] = inp[1]
#Get the post information and convert to integer
number = int(POST['number'])
delay = int(POST['delay'])
# Check if the input is OK.
if number <= 0 or number > 10 or delay < 1 or
delay > 3:
print ("Content-Type: text/html\n\n")
print
("<html><body><h1>Oops!</h1></body></html>")
# This print for debugging. Take it out when
working
print (POST)
sys.exit()
# Send out the http header info etc.
print ("Content-Type: text/html\n\n")
print
("<html><body><h1>Flash</h1></body></html>")
# Set the pin mode to Broadcom mode this time.
GPIO.setmode(GPIO.BCM)
pin = 16
# Set the pin to be an output
GPIO.setup(pin, GPIO.OUT)
i=0
# Loop turning it on and off
while i < number:
GPIO.output(pin, 1)
time.sleep(delay)
GPIO.output(pin, 0)
time.sleep(delay)
i = i + 1
# Set the pins back to default
GPIO.cleanup()
