Created
November 11, 2013 23:40
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Python script to generate
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#!/usr/bin/env python | |
#Copyright 2013, Peter Cock. All rights reserved. | |
#Released under the MIT License. | |
"""Python scipt to generate Roomba IR codes for LIRC. | |
Tested under Python 2.7 and Python 3.3, example usage: | |
$ python make_roomba_lirc.py > roomba.conf | |
See also: | |
http://astrobeano.blogspot.com/2013/10/roomba-620-infrared-signals.html | |
http://astrobeano.blogspot.com/2013/11/raspberry-pi-ir-blaster-and-roomba-ir.html | |
""" | |
def encode(code, interval=1000): | |
values = [] | |
for i in range(8): | |
if code & 2**(7-i): | |
values.extend([interval*3, interval]) #one | |
else: | |
values.extend([interval, interval*3]) #zero | |
return values | |
# Power = 0x8A = 1000 1010 | |
# which is 3ms on, 1ms off; 1ms on, 3ms off; ...; 1ms on, 3ms off. | |
assert encode(0x8A, 1) == [3,1, 1,3, 1,3, 1,3, 3,1, 1,3, 3,1, 1,3] | |
assert encode(0x8A) == [3000, 1000, 1000, 3000, 1000, 3000, 1000, 3000, | |
3000, 1000, 1000, 3000, 3000, 1000, 1000, 3000] | |
def format_code(code, interval=1000, repeat=2, pause=16000): | |
values = encode(code, interval) | |
values[-1] += pause # extend off of last bit into full pause | |
values = values*repeat | |
values = values[:-1] # remove trailing off | |
answer = [] | |
while values: | |
batch = values[:6] | |
values = values[6:] | |
answer.append(" "*9 + "".join(str(v).rjust(8) for v in batch)) | |
return "\n".join(answer) | |
header = """# Automatically generated LIRC Roomba config file | |
begin remote | |
name iRobot_Roomba | |
flags RAW_CODES|CONST_LENGTH | |
eps 30 | |
aeps 100 | |
ptrail 0 | |
repeat 0 0 | |
gap 100000 | |
begin raw_codes | |
""" | |
footer = """ | |
end raw_codes | |
end remote | |
""" | |
codes = [ | |
#Roomba Remote: | |
(0x81, "Left"), | |
(0x82, "Forward"), | |
(0x83, "Right"), | |
(0x84, "Spot"), | |
(0x85, "Dock"), #aka Max | |
(0x86, "Small"), | |
(0x87, "Medium"), | |
(0x88, "Clean"), #aka Large | |
(0x89, "Pause"), | |
(0x8A, "Power"), | |
(0x8B, "ForwardLeft"), | |
(0x8C, "ForwardRight"), | |
(0x8D, "Stop"), | |
#Scheduling remote: | |
(0x8E, "SendAll"), | |
(0x8F, "SeekDocK"), | |
#Virtual wall: | |
(0xA2, "VirtualWall"), | |
] | |
print(header) | |
for code, name in codes: | |
print(" name %s" % name.lower()) | |
print(format_code(code)) | |
print("") | |
print(footer) |
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