Merge pull request #16 from RogueM/gamepads

using $1 for configload

gamepads/padconfig.sh → gamepads/configload

@@ -19,12 +19,6 @@ was written for this script.
 
 DISCLAIMER
 
-# script control variables
-
-FORCE=$1
-GAMEPAD="picadehat-default"
-
-# function define
 
 confirm() {
     if [ "$FORCE" == '-y' ]; then
@@ -115,11 +109,13 @@ above this section for clarity, thanks!
 
 MAINSTART
 
-# copying gamepad configuration file
+if [ "$#" -eq 0 ]; then
+    warning "a pad config is required as argument" && exit 1
+fi
 
 sudo service picadehatd stop
-sudo rm /usr/bin/picadehatd
-sudo cp $GAMEPAD /usr/bin/picadehatd
+sudo rm /usr/bin/picadehatd &> /dev/null
+sudo cp "$1" /usr/bin/picadehatd
 sudo chmod +x /usr/bin/picadehatd
 sudo service picadehatd start
 

gamepads/pigrrl-default

@@ -3,6 +3,7 @@
 # Adafruit PiGRRL PCB default configuration
 # maps buttons to GPIO for connection to PiTFT
 # or mounting back to back to a Raspberry Pi Zero
+# soft shutdown is not supported
 
 import time
 import signal

gamepads/pigrrl-shutdown

@@ -0,0 +1,169 @@
+#!/usr/bin/env python
+
+# Adafruit PiGRRL PCB alternative configuration
+# maps buttons to GPIO for connection to PiTFT
+# or mounting back to back to a Raspberry Pi Zero
+# soft shutdown is supported through L bumper
+
+import time
+import signal
+import os
+import sys
+from datetime import datetime
+from threading import Timer
+
+try:
+    from evdev import uinput, UInput, ecodes as e
+except ImportError:
+    exit("This library requires the evdev module\nInstall with: sudo pip install evdev")
+
+try:
+    import RPi.GPIO as gpio
+except ImportError:
+    exit("This library requires the RPi.GPIO module\nInstall with: sudo pip install RPi.GPIO")
+
+
+#time.sleep(30)
+
+os.system("sudo modprobe uinput")
+
+DEBUG = False
+
+PIDFILE = "/var/run/picadehatd.pid"
+LOGFILE = "/var/log/picadehatd.log"
+
+BOUNCE_TIME = 0.01 # Debounce time in seconds
+SHUTDOWN_HOLD_TIME = 3 # Time in seconds that power button must be held
+
+SHUTDOWN = 4
+BUTTON_POWER = 12
+
+UP = 16
+DOWN = 26
+LEFT = 4
+RIGHT = 19
+
+BUTTON1 = 14
+BUTTON2 = 15
+BUTTON3 = 20
+BUTTON4 = 18
+
+ENTER = 5
+START= 6
+
+BUTTONS = [ENTER,START,BUTTON1,BUTTON2,BUTTON3,BUTTON4,UP,DOWN,LEFT,RIGHT]
+
+KEYS = {
+    ENTER: e.KEY_ENTER,
+    START: e.KEY_S,
+    UP: e.KEY_UP,
+    DOWN: e.KEY_DOWN,
+    LEFT: e.KEY_LEFT,
+    RIGHT: e.KEY_RIGHT,
+    BUTTON1: e.KEY_LEFTCTRL,
+    BUTTON2: e.KEY_LEFTALT,
+    BUTTON3: e.KEY_SPACE,
+    BUTTON4: e.KEY_LEFTSHIFT,
+}
+
+states = [False for b in BUTTONS]
+
+shutdown_timer = None
+
+try:
+    pid = os.fork()
+    if pid > 0:
+        sys.exit(0)
+
+except OSError, e:
+    print("Fork #1 failed: {} ({})".format(e.errno, e.strerror))
+    sys.exit(1)
+
+os.chdir("/")
+os.setsid()
+os.umask(0)
+
+try:
+    pid = os.fork()
+    if pid > 0:
+        fpid = open(PIDFILE, 'w')
+        fpid.write(str(pid))
+        fpid.close()
+        sys.exit(0)
+except OSError, e:
+    print("Fork #2 failed: {} ({})".format(e.errno, e.strerror))
+    sys.exit(1)
+
+si = file("/dev/null", 'r')
+so = file(LOGFILE, 'a+')
+se = file("/dev/null", 'a+', 0)
+
+os.dup2(si.fileno(), sys.stdin.fileno())
+os.dup2(so.fileno(), sys.stdout.fileno())
+os.dup2(se.fileno(), sys.stderr.fileno())
+
+gpio.setmode(gpio.BCM)
+gpio.setwarnings(False)
+gpio.setup(BUTTONS, gpio.IN, pull_up_down=gpio.PUD_UP)
+gpio.setup(BUTTON_POWER, gpio.IN, pull_up_down=gpio.PUD_UP)
+
+try:
+    ui = UInput({e.EV_KEY: KEYS.values()}, name="PiGRRL-PCB", bustype=e.BUS_USB)
+
+except uinput.UInputError as e:
+    sys.stdout.write(e.message)
+    sys.stdout.write("Have you tried running as root? sudo {}".format(sys.argv[0]))
+    sys.exit(0)
+
+def log(msg):
+    sys.stdout.write(str(datetime.now()))
+    sys.stdout.write(": ")
+    sys.stdout.write(msg)
+    sys.stdout.write("\n")
+    sys.stdout.flush()
+
+def handle_button(pin):
+    key = KEYS[pin]
+    time.sleep(BOUNCE_TIME)
+    state = 0 if gpio.input(pin) else 1
+    ui.write(e.EV_KEY, key, state)
+    ui.syn()
+    if DEBUG:
+        log("Pin: {}, KeyCode: {}, Event: {}".format(pin, key, 'press' if state else 'release'))
+
+def perform_shutdown():
+    log("Shutting down...")
+    os.system("sudo shutdown -h now")
+
+def handle_shutdown(pin):
+    global shutdown_timer
+
+    time.sleep(BOUNCE_TIME)
+    state = 0 if gpio.input(pin) else 1
+
+    if DEBUG:
+        log("Power button: {}".format('pressed' if state else 'released'))
+
+    if state and shutdown_timer is None:
+        shutdown_timer = Timer(SHUTDOWN_HOLD_TIME, perform_shutdown)
+        shutdown_timer.start()
+
+    elif not state and shutdown_timer is not None:
+        shutdown_timer.cancel()
+        shutdown_timer = None
+
+for button in BUTTONS:
+    gpio.add_event_detect(button, gpio.BOTH, callback=handle_button, bouncetime=1)
+
+gpio.add_event_detect(BUTTON_POWER, gpio.BOTH, callback=handle_shutdown, bouncetime=1)
+
+log("Picade HAT daemon running...")
+
+try:
+    signal.pause()
+except KeyboardInterrupt:
+    pass
+
+log("daemon shutting down...")
+
+ui.close()