callsp.sh

#!/bin/bash

source ./sp.sh open spotify:user:spotify:playlist:76EmNg3KPQoEr0izybtuCN

discover.py

import socket
import struct
import binascii

rawSocket = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(0x0003))

while True:

	packet = rawSocket.recvfrom(2048)

	ethernet_header = packet[0][0:14]
	ethernet_detailed = struct.unpack("!6s6s2s", ethernet_header)

	# skip non-ARP packets
	ethertype = ethernet_detailed[2]
	if ethertype != '\x08\x06':
		continue

	arp_header = packet[0][14:42]
	arp_detailed = struct.unpack("2s2s1s1s2s6s4s6s4s", arp_header)

	source_mac = binascii.hexlify(arp_detailed[5])
	source_ip = socket.inet_ntoa(arp_detailed[6])
	dest_ip = socket.inet_ntoa(arp_detailed[8])

	if source_mac == '74c2467197c':	# Put the MAC address of your Amazon Dash Button here
		print "Button pressed! MAC = " + source_mac
	else:
		print "Unknown device. MAC = " + source_mac + ", Source IP = " + source_ip + ", Dest IP = " + dest_ip

listen.py

import socket
import struct
import binascii
import time
import os

rawSocket = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(0x0003))

lasttime = {}
min_interval = 15	# seconds
buttons = { 'glad': '74c2467197c',
			'tide': '74c2467197c' }

while True:

	packet = rawSocket.recvfrom(2048)

	ethernet_header = packet[0][0:14]
	ethernet_detailed = struct.unpack("!6s6s2s", ethernet_header)

	# skip non-ARP packets
	ethertype = ethernet_detailed[2]
	if ethertype != '\x08\x06':
		continue

	arp_header = packet[0][14:42]
	arp_detailed = struct.unpack("2s2s1s1s2s6s4s6s4s", arp_header)

	source_mac = binascii.hexlify(arp_detailed[5])

	if not (source_mac in lasttime):
		interval = min_interval		# haven't seen this MAC address before
	else:
		interval = time.time() - lasttime[source_mac]

	if interval >= min_interval:
		lasttime[source_mac] = time.time();
		if source_mac == buttons['glad']:
			print "GLAD button pressed!"
			os.system('./callsp.sh')