changed syntax of buttons
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157
chch-power.py
157
chch-power.py
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@ -3,16 +3,32 @@ import pifacecommon.mcp23s17
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import time
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from subprocess import call
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import sys
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import os
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button_count = 2
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longpress_delay = 0.4
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verylongpress_delay = 2
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shortpress_count_max_delay = 0.5
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inter_press_max_delay = 1.5
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pin_last_rise_date = [0]*button_count
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pin_last_shortpress = [0]*button_count
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pin_shortpress_count = [0]*button_count
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inter_press_max_delay = 0.5
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pin = {
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0: {
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'shortpress': {
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'count': 0,
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'last_unpress': 0
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},
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'last_unpress': 0,
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'last_press': 0,
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'sched_time': 0
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},
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1: {
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'shortpress': {
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'count': 0,
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'last_unpress': 0
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},
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'last_unpress': 0,
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'last_press': 0,
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'sched_time': 0
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}
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}
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# dirty workaround to disable reset of output pins
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def init_board_no_power_off(self):
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@ -50,64 +66,81 @@ def chch_status_output(pfd):
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f.truncate(0)
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f.write(status)
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except OSError:
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sys.stderr("Can not write to status file\n")
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sys.stderr.write("Can not write to status file\n")
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def exec_chch_button_cmd(event):
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c_pin = pin[event.pin_num]
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print({'event':{'pin':event.pin_num,'at':c_pin['last_unpress'],'state':'executing'}})
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count = c_pin['shortpress']['count']
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# a longpress happend
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if c_pin['last_unpress'] > c_pin['shortpress']['last_unpress']:
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# '-' all off
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if count == 0:
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for i in range(button_count):
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event.chip.output_pins[i].turn_off()
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# '. -' all on
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elif count == 1:
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for i in range(button_count):
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event.chip.output_pins[i].turn_on()
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else:
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sys.stderr.write("No mode with " + str(count) + " short press and a long press\n")
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else:
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# '.' toggle current room
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if count == 1:
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event.chip.output_pins[event.pin_num].toggle()
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# '. .' room specific function
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elif count == 2:
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if event.pin_num == 0:
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call(["/home/automation/chch-power/light.sh"])
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else:
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sys.stderr.write("No room specific function for room " + str(event.pin_num) + "\n")
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else:
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sys.stderr.write("No mode with " + str(count) + " short press at pin " + str(event.pin_num) + "\n")
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chch_status_output(event.chip)
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# cleanup
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c_pin['last_unpress'] = 0
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c_pin['last_press'] = 0
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c_pin['shortpress']['count'] = 0
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# count the number of short press
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def switch_shortpressed(event):
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c_pin = pin[event.pin_num]
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if c_pin['shortpress']['count'] == 0:
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c_pin['shortpress']['last_unpress'] = c_pin['last_unpress']
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# determine delay between last rise of the switch and current rise
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shortpress_delay = c_pin['last_unpress'] - c_pin['shortpress']['last_unpress']
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if shortpress_delay > shortpress_count_max_delay:
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c_pin['shortpress']['count'] = 1
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else:
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c_pin['shortpress']['count'] += 1
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c_pin['shortpress']['last_unpress'] = c_pin['last_unpress']
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print({'shortpress':{'delay':shortpress_delay,'count':c_pin['shortpress']['count']}})
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def switch_pressed(event):
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pin_last_rise_date[event.pin_num] = 0
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c_pin = pin[event.pin_num]
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# debouncing
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c_pin['last_press'] = 0
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time.sleep(0.02)
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if event.chip.input_pins[event.pin_num].value != 0:
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pin_last_rise_date[event.pin_num] = time.time()
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if event.chip.input_pins[event.pin_num].value == 0:
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return
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# remove scheduled event
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c_pin['sched_time'] = 0
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c_pin['last_press'] = time.time()
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def switch_unpressed(event):
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if pin_last_rise_date[event.pin_num] != 0:
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press_time = time.time() - pin_last_rise_date[event.pin_num]
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if press_time < longpress_delay:
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switch_shortpressed(event)
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elif longpress_delay <= press_time and press_time < verylongpress_delay:
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switch_longpressed(event)
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else:
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switch_verylongpressed(event)
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pin_last_rise_date[event.pin_num] = 0
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# toggle current room's power with a short and a long press
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# call a script with two short and a long press
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def switch_longpressed(event):
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shortpress_delay = pin_last_rise_date[event.pin_num] - pin_last_shortpress[event.pin_num]
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if shortpress_delay > inter_press_max_delay:
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pin_shortpress_count[event.pin_num] = 0
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elif pin_shortpress_count[event.pin_num] == 1:
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event.chip.output_pins[event.pin_num].toggle()
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elif pin_shortpress_count[event.pin_num] == 2:
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if event.pin_num == 0:
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call(["/home/automation/chch-power/light.sh"])
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chch_status_output(event.chip)
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# switch all power off with a very long press
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# switch all power on with a short and a very long press
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def switch_verylongpressed(event):
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shortpress_delay = pin_last_rise_date[event.pin_num] - pin_last_shortpress[event.pin_num]
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if shortpress_delay > inter_press_max_delay:
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pin_shortpress_count[event.pin_num] = 0
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for i in range(button_count):
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event.chip.output_pins[i].turn_off()
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elif pin_shortpress_count[event.pin_num] == 1:
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for i in range(button_count):
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event.chip.output_pins[i].turn_on()
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chch_status_output(event.chip)
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def switch_shortpressed(event):
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now = time.time()
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if pin_shortpress_count[event.pin_num] == 0:
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pin_last_shortpress[event.pin_num] = now
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shortpress_delay = now - pin_last_shortpress[event.pin_num]
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print(shortpress_delay)
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if shortpress_delay > shortpress_count_max_delay:
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pin_shortpress_count[event.pin_num] = 1
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c_pin = pin[event.pin_num]
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if c_pin['last_press'] == 0:
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return
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c_pin['last_unpress'] = time.time()
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press_time = c_pin['last_unpress'] - c_pin['last_press']
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if press_time < longpress_delay:
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# parse data inter_press_max_delay seconds after no event
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c_pin['sched_time'] = c_pin['last_unpress'] + inter_press_max_delay
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print({'event':{'pin':event.pin_num,'at':c_pin['last_unpress'],'in':inter_press_max_delay,'state':'scheduled'}})
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switch_shortpressed(event)
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else:
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pin_shortpress_count[event.pin_num] += 1
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pin_last_shortpress[event.pin_num] = now
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chch_status_output(event.chip)
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print(["count:", pin_shortpress_count[event.pin_num]])
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c_pin['sched_time'] = 0
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exec_chch_button_cmd(event)
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if __name__ == "__main__":
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listener = pifacedigitalio.InputEventListener()
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@ -116,3 +149,11 @@ if __name__ == "__main__":
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listener.register(i, pifacedigitalio.IODIR_OFF, switch_unpressed)
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listener.activate()
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chch_status_output(listener.chip)
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while True:
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for i in range(button_count):
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c_pin = pin[i]
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if time.time() > c_pin['sched_time'] and c_pin['sched_time'] != 0:
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c_pin['sched_time'] = 0
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setattr(listener, 'pin_num', i)
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exec_chch_button_cmd(listener)
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time.sleep(0.001)
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