From f998c59bc97fdb9743529cb36bb3bab9f62f9ce2 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Jul 2026 09:31:52 -0400
Subject: [PATCH] Create pushbutton.py from pi-power-button

---
 pushbutton.py | 156 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 pushbutton.py

diff --git a/pushbutton.py b/pushbutton.py
new file mode 100644
index 00000000..3999dc3b
--- /dev/null
+++ b/pushbutton.py
@@ -0,0 +1,156 @@
+#!/usr/bin/env python
+
+# originally based on listen-for-shutdown.py from pi-power-button
+
+import RPi.GPIO as GPIO
+import subprocess
+import time
+import os
+from time import sleep
+
+def blink(times):
+	blink_time = 0.1
+	powerPin = 16
+	for i in range(times):	# blink times
+		GPIO.output(powerPin, 0) 
+		sleep(blink_time)
+		GPIO.output(powerPin, 1)
+		sleep(blink_time)
+	sleep(0.65)
+
+def change_mode():
+	push_button = 26
+	powerPin = 16
+	txPin = 27
+	sleep(0.75)
+	if GPIO.input(push_button):
+		print("sudo reboot -h now")
+		os.system("echo 'reboot due to push button!' | wall")
+		GPIO.setwarnings(False)
+		GPIO.setup(powerPin, GPIO.OUT)
+		GPIO.output(powerPin, 0);		
+		subprocess.call(['reboot', '-h', 'now'], shell=False)
+		return
+	blink(1)
+	if GPIO.input(push_button):
+		print("switch to AFSK")
+		os.system("echo 'switch to AFSK due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -a")
+		return
+	blink(2)	
+	if GPIO.input(push_button):
+		print("switch to FSK")
+		os.system("echo 'switch to FSK due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -f")		
+		return
+	blink(3)
+	if GPIO.input(push_button):
+		print("switch to BPSK")
+		os.system("echo 'switch to BPSK due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -b")
+		return
+	blink(4)
+	if GPIO.input(push_button):
+		print("switch to SSTV")
+		os.system("echo 'switch to SSTV due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -s")
+		return
+	blink(5)
+	if GPIO.input(push_button):
+		print("switch to CW")
+		os.system("echo 'switch to CW due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -m")
+		return
+	blink(6)
+	if GPIO.input(push_button):
+		print("switch to Repeater")
+		os.system("echo 'switch to Repeater due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -e")
+		return
+	blink(7)
+	if GPIO.input(push_button):
+		print("switch to FunCube")
+		os.system("echo 'switch to FunCube due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -j")
+		return
+	blink(8)
+	if GPIO.input(push_button):
+		print("switch to PacSat")
+		os.system("echo 'switch to PacSat due to push button!' | wall")
+		os.system("/home/pi/CubeSatSim/config -G")
+		return
+	for i in range(3):	# blink 3 times slowly
+		GPIO.output(powerPin, 0) 
+		sleep(0.35)
+		GPIO.output(powerPin, 1)
+		sleep(0.35)
+	sleep(0.65)
+	if GPIO.input(push_button):
+		print("sudo nmcli connection up preconfigured")
+		os.system("sudo nmcli connection up preconfigured")
+		print("sudo shutdown -h now")
+		os.system("echo 'shutdown due to push button!' | wall")
+		GPIO.setwarnings(False)
+		GPIO.setup(powerPin, GPIO.OUT)
+		subprocess.call(['shutdown', '-h', 'now'], shell=False)
+		return
+	for i in range(3):	# blink two times even more slowly
+		GPIO.output(powerPin, 0) 
+		sleep(0.7)
+		GPIO.output(powerPin, 1)
+		sleep(0.7)
+	sleep(0.7)
+	print("toggle command and control mode")
+	try:
+		f = open("/home/pi/CubeSatSim/command_control", "r")
+		f.close()
+		print("command and control will be deactivated")
+		os.system('sudo rm /home/pi/CubeSatSim/command_control')
+		os.system("echo 'command and control deactivated by push button!' | wall")
+		os.system('sudo systemctl restart command')
+	except:
+		print("command and control will be activated")
+		os.system('touch /home/pi/CubeSatSim/command_control')
+		os.system("echo 'command and control activated by push button!' | wall")
+		os.system('sudo systemctl restart command')
+	sleep(1)
+
+powerPin = 16
+txPin = 27
+push_button = 26
+GPIO.setmode(GPIO.BCM)
+GPIO.setwarnings(False)
+GPIO.setup(txPin, GPIO.OUT)
+GPIO.output(txPin, 0)
+GPIO.setup(powerPin, GPIO.OUT)
+GPIO.output(powerPin, 0)
+# GPIO.output(powerPin, 1) 
+# sleep(0.5)
+# GPIO.output(powerPin, 0)
+# sleep(0.5)
+
+GPIO.setup(push_button, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+# sleep(1)
+if not GPIO.input(push_button): # if pushbutton is held down during boot
+		print("Activating WiFi access point!")
+		GPIO.output(powerPin, 1) 
+		sleep(0.1)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1) 
+		sleep(0.3)
+		GPIO.output(powerPin, 0)
+		sleep(0.1)
+		GPIO.output(powerPin, 1) 
+		sleep(0.3)
+		GPIO.output(powerPin, 0)
+		print("sudo nmcli device wifi hotspot con-name HotSpot ifname wlan0 ssid CubeSat password amsatao7")	
+		os.system("sudo nmcli device wifi hotspot con-name HotSpot ifname wlan0 ssid CubeSat password amsatao7")
+		sleep(2)
+GPIO.setup(powerPin, GPIO.OUT)
+GPIO.output(powerPin, 1)
+while (True):
+	sleep(1)
+	GPIO.wait_for_edge(push_button, GPIO.FALLING)
+	change_mode()
+	sleep(5)