diff options
Diffstat (limited to 'abs/core/powermate_myth/powermate-myth.py')
| -rw-r--r-- | abs/core/powermate_myth/powermate-myth.py | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/abs/core/powermate_myth/powermate-myth.py b/abs/core/powermate_myth/powermate-myth.py new file mode 100644 index 0000000..85e5165 --- /dev/null +++ b/abs/core/powermate_myth/powermate-myth.py @@ -0,0 +1,214 @@ +#!/usr/bin/python2 + +import powermate +import time +import os + +EVENT_BUTTON_PRESS = 1 +EVENT_RELATIVE_MOTION = 2 + + +button_pressed = False +single_tap = False +mode = "nav" + +current_event=(0,0,time.time()) +last_event=current_event +skipped_event = 0 +pressed_time = 0 +button_held = False +led_brightness = 255 +#pm = powermate.PowerMate("/dev/powermate") + +pm = powermate.PowerMate() +pm.SetLEDState(led_brightness,0,0,0,0) + + +def runcmd(cmd): +# print cmd + os.system(cmd) + + +def volume_action(action): + global mode + global led_brightness + if action == "L" : + print "Volume down" + + if action == "R" : + print "Volume UP" + + if action == "tap" : + print "toggle mute" + + if action == "double_tap" : + mode = "nav" + led_brightness = 500 + print "mode is now nav" + + return + + +def nav_action(action): + global mode + global led_brightness + keycmd = '''xdotool search --name "Mythtv Frontend" key %s''' + if action == "L" : + #print "prev" + cmd = keycmd %"Up" + runcmd(cmd) + + if action == "R" : + #print "next" + cmd = keycmd %"Down" + runcmd(cmd) + + if action == "LP" : + #print "back" + cmd = keycmd %"Left" + runcmd(cmd) + + if action == "RP" : + #print "tab" + cmd = keycmd %"Right" + runcmd(cmd) + + + if action == "tap" : + #print "select" + cmd = keycmd %"Return" + runcmd(cmd) + + if action == "double_tap" : + mode = "volume" + led_brightness = 10 + print "mode is now vol" + + if action == "button_held" : + cmd = keycmd %"Escape" + runcmd(cmd) + + + + return + + + + +def act_on_event(action): + + if mode == "volume": + volume_action(action) + + elif mode == "nav": + nav_action(action) + + + + +event_stack=[current_event] +while 1: + #process_events = True + reset_lastevent = False + event = pm.WaitForEvent(2) + # print event + if event: + #event that happens after every button push, can be thrown away. + if event[2] == 0: + continue + + + elif single_tap: + pressed_diff = time.time() - pressed_time + #This takes care of the holding down the button for X amount of time + #print event, button_pressed, pressed_diff, current_event + #if pressed_diff >= 2 and button_pressed and current_event[0] == EVENT_BUTTON_PRESS: + if pressed_diff >= 2 and button_pressed : + act_on_event("button_held") + single_tap = False + pressed_time = 0 + button_pressed = False + last_event_time = time.time() + last_event=(0,0,time.time()) + pm.SetLEDState(led_brightness,0,0,0,0) + #print "resetting last event:", last_event + + + #This handles a single press of the button. + elif not button_pressed : + act_on_event("tap") + single_tap = False + last_event_time = time.time() + last_event=(0,0,time.time()) + + if event: + #print "processing:" , event + current_event = event[2],event[4],time.time() + + last_event_time = last_event[2] + current_event_time = current_event[2] + + last_event_only = last_event[0], last_event[1] + current_event_only = current_event[0], current_event[1] + + repeat_rate = 10 + repeat_time = .50 + + if last_event_only == current_event_only and current_event[0] == EVENT_RELATIVE_MOTION : + #check for time diff + event_time_diff = current_event_time - last_event_time + + if skipped_event <= repeat_rate and event_time_diff <= repeat_time: + skipped_event = skipped_event + 1 + #print "skipped a repeat event : %s" %skipped_event + continue + #event occured, reset skip counter + skipped_event = 0 + + #rotate dial + if current_event[0] == EVENT_RELATIVE_MOTION: + reset_lastevent = True + single_tap = False + if current_event[1] >= 0 : + if button_pressed : + #print "dial turned Counter clockwise and button is pressed" + act_on_event("RP") + else: + #print "dial turned Counter clockwise" + act_on_event("R") + + if current_event[1] <=0 : + if button_pressed : + #print "dial turned clockwise and button is pressed" + act_on_event("LP") + else: + #print "dial turned clockwise" + act_on_event("L") + + + #button was pushed + if current_event[0] == EVENT_BUTTON_PRESS : + pm.SetLEDState(0,0,0,0,0) + if current_event[1] == 1: + button_pressed = True + pressed_time = current_event_time + tap_diff = current_event_time - last_event_time + #double tap + if tap_diff < 0.2 and last_event[0] == EVENT_BUTTON_PRESS: + act_on_event("double_tap") + single_tap = False + else: + single_tap = True + reset_lastevent = True + + #button was released + elif current_event[1] == 0: + button_pressed = False + pressed_time = 0 + pm.SetLEDState(led_brightness,0,0,0,0) + + if reset_lastevent: + last_event = current_event + + + |