#!/usr/bin/env python

#
# WARNING!
#

##############################################################################
#                                                                            #
# Unless you know what you are doing don't run this script with anything     #
# connected to the gpios.  You will CAUSE damage.                            #
#                                                                            #
##############################################################################

#
# WARNING!
#

import time

import pigpio

delay = 30

class gpioTest:

   def __init__(self, pi, gpio, edge, freq, duty):
      self.pi = pi
      self.gpio = gpio
      self.edge = edge
      self.freq = freq
      self.duty = duty
      self.calls = 0

   def cb(self, g, t, l):
      self.calls = self.calls + 1
      # print g,t,l

   def num(self):
      return self.calls

   def start(self):
      self.pi.set_PWM_frequency(self.gpio, self.freq)
      self.pi.set_PWM_range(self.gpio, 25)
      self.pi.set_PWM_dutycycle(self.gpio, self.duty)
      self.n = self.pi.callback(self.gpio, self.edge, self.cb)

   def stop(self):
      self.pi.set_PWM_dutycycle(self.gpio, 0)
      self.n.cancel()

pi = pigpio.pi()

t1 =  gpioTest(pi, 4, pigpio.EITHER_EDGE,  4000,  1)
t2 =  gpioTest(pi, 7, pigpio.RISING_EDGE,  8000,  2)
t3 =  gpioTest(pi, 8, pigpio.FALLING_EDGE, 8000,  3)
t4 =  gpioTest(pi, 9, pigpio.EITHER_EDGE,  4000,  4)
t5 =  gpioTest(pi,10, pigpio.RISING_EDGE,  8000,  5)
t6 =  gpioTest(pi,11, pigpio.FALLING_EDGE, 8000,  6)
t7 =  gpioTest(pi,14, pigpio.EITHER_EDGE,  4000,  7)
t8 =  gpioTest(pi,15, pigpio.RISING_EDGE,  8000,  8)
t9 =  gpioTest(pi,17, pigpio.FALLING_EDGE, 8000,  9)
t10 = gpioTest(pi,18, pigpio.EITHER_EDGE,  4000, 10)
t11 = gpioTest(pi,22, pigpio.RISING_EDGE,  8000, 11)
t12 = gpioTest(pi,23, pigpio.FALLING_EDGE, 8000, 12)
t13 = gpioTest(pi,24, pigpio.EITHER_EDGE,  4000, 13)
t14 = gpioTest(pi,25, pigpio.RISING_EDGE,  8000, 14)

# R1: 0 1     4 7 8 9 10 11 14 15 17 18 21 22 23 24 25
# R2:     2 3 4 7 8 9 10 11 14 15 17 18    22 23 24 25 27 28 29 30 31

tests = [t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14]

for i in tests: i.start()

time.sleep(delay)

for i in tests: i.stop()

pi.stop()

tot = 0
msg = ""

for i in tests:
   tot += i.num()
   msg += str(i.num()) + " "

print(msg)

print("eps={} ({}/{})".format(tot/delay, tot, delay))