-
Notifications
You must be signed in to change notification settings - Fork 0
/
led_interface.py
162 lines (126 loc) · 4.48 KB
/
led_interface.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
import collections
import time
import threading
from chess_position import ChessPosition
GPIO = None
class LedInterface():
def __init__(self, lows, highs, operation_mode="software"):
global GPIO
self.operation_mode = operation_mode
if self.operation_mode == "hardware":
import RPi.GPIO as _GPIO
GPIO = _GPIO
else:
from fake_gpio import GPIO as _GPIO
GPIO = _GPIO
self.lows = lows
self.highs = highs
self.on = []
self.on_lock = threading.Lock()
self.blinking = []
self.last_blinks = {}
self.blink_intervals = {}
self.blinking_lock = threading.Lock()
self.running = True
def all_off(self):
self.on = []
def setup(self):
GPIO.setmode(GPIO.BCM)
# Init all pins
for pin in self.lows:
GPIO.setup(pin, GPIO.OUT)
for pin in self.highs:
GPIO.setup(pin, GPIO.OUT)
def reset(self):
# Set all to low
if self.operation_mode == "hardware":
for pin in self.lows:
GPIO.output(pin, 1)
for pin in self.highs:
GPIO.output(pin, 0)
def cleanup(self):
self.reset()
if self.operation_mode == "hardware":
GPIO.cleanup()
def turn_all_to_except(self, value, pin_list, exception_i):
i = 0
for pin in pin_list:
if i != exception_i:
if self.operation_mode == "hardware":
GPIO.output(pin, value)
i += 1
def turn_on_led(self, position):
# Check if x and y in bounds
x = position.col_to_int()
y = position.row-1
if x > len(self.highs) - 1:
raise ValueError("x can not be bigger than high length")
if y > len(self.lows) - 1:
raise ValueError("y can not be bigger than lows length")
# Otherwise add
with self.on_lock:
self.on.append([x, y])
def turn_off_led(self, position):
# Check if in on list
x = position.col_to_int()
y = position.row - 1
if [x, y] in self.on:
with self.on_lock:
self.on.remove([x, y])
else:
raise IndexError("Not in ons")
def start_blinking_led(self, position, interval):
x = position.col_to_int()
y = position.row - 1
with self.blinking_lock:
self.blinking.append([x,y])
k = "{}{}".format(x,y)
self.last_blinks[k] = time.time()
self.blink_intervals[k] = interval
def stop_all(self):
with self.blinking_lock:
self.blinking = []
self.last_blinks = {}
self.blink_intervals = {}
with self.on_lock:
self.on = []
def run(self):
self.running = True
while self.running:
with self.blinking_lock:
for pos in self.blinking:
x = pos[0]
y = pos[1]
k = "{}{}".format(x, y)
dt = time.time()-self.last_blinks[k]
i = self.blink_intervals[k]
if dt >= 0 and dt < i:
with self.on_lock:
if [x, y] not in self.on:
self.on.append([x, y])
elif dt >= i and dt < i*2:
with self.on_lock:
if [x, y] in self.on:
self.on.remove([x, y])
elif dt >= i*2:
self.last_blinks[k] = time.time()
self.reset()
with self.on_lock:
for pos in self.on:
x = pos[0]
y = pos[1]
high_pin = self.highs[x]
low_pin = self.lows[y]
if self.operation_mode == "hardware":
GPIO.output(high_pin, 1)
self.turn_all_to_except(0, self.highs, x)
if self.operation_mode == "hardware":
GPIO.output(low_pin, 0)
self.turn_all_to_except(1, self.lows, y)
divisor = len(self.on)
if divisor == 0:
divisor = 1
time.sleep(0.01 / divisor)
def start_run_in_thread(self):
self.thread = threading.Thread(target= self.run)
self.thread.start()