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#!/usr/bin/env python
import datetime
import sys
try:
import urwid
except ImportError:
sys.stderr.write('This program needs urwid\n')
sys.exit(1)
try:
import serial
except ImportError:
sys.stderr.write('This program needs pySerial\n')
sys.exit(1)
class FuzzyAlarmClock:
def __init__(self,device):
try:
self.serial = serial.Serial(device,9600,timeout=5)
except serial.serialutil.SerialException:
sys.stderr.write('No such serial device '+device+'\n')
sys.exit(1)
def set_time_to_now(self):
now = 's'+datetime.datetime.now().strftime("%y%m%d%u%H%M%S")
self.serial.write(now)
def read_alarms(self,n):
data = []
self.serial.flushInput()
self.serial.write('p')
for i in xrange(n):
data.append(self.serial.readline())
for i in xrange(n):
data[i] = data[i].split(' ')[2:-1]
days = []
for j in xrange(8):
days.append(bool(int(data[i][0]) & 2**j))
days = days[7:8] + days[:7]
data[i] = days+data[i][1:]
return data
def set_alarm(self,alarm,values):
s = 'a'+str(alarm)
b0 = 0
for i,bit in enumerate(values[1:8] + values[0:1]):
b0 += bit << i
s += "%02x"%(b0)
for val in values[8:]:
s += "%02x"%(val)
self.serial.write(s)
class ModEdit(urwid.IntEdit):
def __init__(self,mod,caption="",default=None,offset=0):
self.mod = mod
self.offset = offset
super(ModEdit,self).__init__(caption,default)
def insert_text(self,text):
super(ModEdit,self).insert_text(text)
self.set_edit_text(str((self.value() - self.offset)% self.mod+self.offset))
class Alarm:
def __init__(self,aid,fac):
self.w_aid = urwid.Text(str(aid))
self.w_repeat = urwid.CheckBox("")
self.w_mon = urwid.CheckBox("")
self.w_tue = urwid.CheckBox("")
self.w_wed = urwid.CheckBox("")
self.w_thu = urwid.CheckBox("")
self.w_fri = urwid.CheckBox("")
self.w_sat = urwid.CheckBox("")
self.w_sun = urwid.CheckBox("")
self.w_month = ModEdit(12,offset=1)
self.w_day = ModEdit(31,offset=1)
self.w_hour = ModEdit(24,default=0)
self.w_minute = ModEdit(60,default=0)
self.widgets = urwid.Columns([self.w_aid,
self.w_repeat,
self.w_mon,
self.w_tue,
self.w_wed,
self.w_thu,
self.w_fri,
self.w_sat,
self.w_sun,
self.w_month,
self.w_day,
self.w_hour,
self.w_minute,
],
dividechars=1)
def set_values(self,values):
self.w_repeat.set_state(values[0])
self.w_mon.set_state(values[1])
self.w_tue.set_state(values[2])
self.w_wed.set_state(values[3])
self.w_thu.set_state(values[4])
self.w_fri.set_state(values[5])
self.w_sat.set_state(values[6])
self.w_sun.set_state(values[7])
self.w_month.set_edit_text(values[8])
self.w_day.set_edit_text(values[9])
self.w_hour.set_edit_text(values[10])
self.w_minute.set_edit_text(values[11])
def get_values(self):
return [
self.w_repeat.get_state(),
self.w_mon.get_state(),
self.w_tue.get_state(),
self.w_wed.get_state(),
self.w_thu.get_state(),
self.w_fri.get_state(),
self.w_sat.get_state(),
self.w_sun.get_state(),
self.w_month.value(),
self.w_day.value(),
self.w_hour.value(),
self.w_minute.value(),
]
class UI:
def __init__(self,fac):
self.fac = fac
self.alarm_number=4
self.frame = self.build_ui()
self.loop = urwid.MainLoop(self.frame,self.palette,unhandled_input=self.read_commands)
def build_ui(self):
self.palette = [
('header', 'light gray', 'dark blue'),
('footer', 'dark cyan', 'black')
]
self.alarms = []
for i in xrange(self.alarm_number):
self.alarms.append(Alarm(i,self.fac))
alarm_headers = urwid.Columns([
urwid.Text('#'),
urwid.Text('rep'),
urwid.Text('Mon'),
urwid.Text('Tue'),
urwid.Text('Wed'),
urwid.Text('Thu'),
urwid.Text('Fri'),
urwid.Text('Sat'),
urwid.Text('Sun'),
urwid.Text('mm'),
urwid.Text('dd'),
urwid.Text('HH'),
urwid.Text('MM'),
],dividechars=1)
self.main_body = urwid.ListBox([alarm_headers]+[al.widgets for al in self.alarms])
footer = urwid.Text('a, b, c')
footer_map = urwid.AttrMap(footer,'footer')
header = urwid.Text('q: Quit r: Read s: Set n: time=Now ?:Help')
header_map = urwid.AttrMap(header,'header')
ui = urwid.Frame(self.main_body,footer=footer_map,header=header_map)
return ui
def read_commands(self,cmd):
{'n': self.fac.set_time_to_now,
'r': self.read_alarms,
's': self.set_alarms,
'?': self.print_help,
'q': self.quit
}.get(cmd,self.do_nothing)()
def do_nothing(self):
pass
def read_alarms(self):
alarms = self.fac.read_alarms(self.alarm_number)
for i, al in enumerate(alarms):
self.alarms[i].set_values(al)
def set_alarms(self):
for i,alarm in enumerate(self.alarms):
self.fac.set_alarm(i,alarm.get_values())
def print_help(self):
pass
def quit(self):
raise urwid.ExitMainLoop()
def run(self):
self.loop.run()
def main():
fac = FuzzyAlarmClock('/dev/ttyUSB0')
ui = UI(fac)
ui.run()
if __name__ == '__main__': main()
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