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DM: make pylint happy
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3 files changed

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3 files changed

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-223
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‎adafruit_epd/epd.py

Lines changed: 125 additions & 118 deletions
Original file line numberDiff line numberDiff line change
@@ -1,124 +1,131 @@
11
import time
22
from Adafruit_EPD import mcp_sram
33
import digitalio
4-
import busio
54
from board import *
65

76
class Adafruit_EPD(object):
8-
"""Base class for EPD displays
9-
"""
10-
BLACK = 0
11-
WHITE = 1
12-
INVERSE = 2
13-
RED = 3
14-
DARK = 4
15-
LIGHT = 5
16-
17-
def __init__(self, width, height, rst, dc, busy, srcs, cs,
18-
spi):
19-
self.width = width
20-
self.height = height
21-
22-
# Setup reset pin.
23-
self._rst = rst
24-
self._rst.direction = digitalio.Direction.OUTPUT
25-
26-
# Setup busy pin.
27-
self._busy = busy
28-
self._busy.direction = digitalio.Direction.INPUT
29-
30-
# Setup dc pin.
31-
self._dc = dc
32-
self._dc.direction = digitalio.Direction.OUTPUT
33-
34-
# Setup cs pin.
35-
self._cs = cs
36-
self._cs.direction = digitalio.Direction.OUTPUT
37-
38-
self.spi_device = spi
39-
40-
self.sram = mcp_sram.Adafruit_MCP_SRAM(srcs, spi)
41-
42-
def begin(self, reset=True):
43-
self._cs.value = True
44-
self._dc.value = False
45-
46-
if reset:
47-
self._rst.value = False
48-
time.sleep(.1)
49-
self._rst.value = True
50-
time.sleep(.1)
51-
52-
def command(self, c, data=None, end=True):
53-
"""Send command byte to display."""
54-
self._cs.value = True
55-
self._dc.value = False
56-
self._cs.value = False
57-
outbuf = bytearray(1)
58-
59-
while not self.spi_device.try_lock():
60-
pass
61-
self.spi_device.write_readinto(bytearray([c]), outbuf)
62-
63-
if data is not None:
64-
self.data(data)
65-
66-
elif end:
67-
self._cs.value = True
68-
69-
self.spi_device.unlock()
70-
return outbuf[0]
71-
72-
def data(self, d):
73-
"""Send data to display."""
74-
self._dc.value = True
75-
self.spi_device.write(d)
76-
self._cs.value = True
77-
self.spi_device.unlock()
78-
79-
#framebuf methods
80-
def fill(self, color):
81-
self.format.fill_rect(self, 0, 0, self.width, self.height, color)
82-
83-
def fill_rect(self, x, y, width, height, color):
84-
if width < 1 or height < 1 or (x+width) <= 0 or (y+height) <= 0 or y >= self.height or x >= self.width:
85-
return
86-
xend = min(self.width, x+width)
87-
yend = min(self.height, y+height)
88-
x = max(x, 0)
89-
y = max(y, 0)
90-
for _x in range(xend - x):
91-
for _y in range(yend - y):
92-
self.draw_pixel(x + _x, y + _y, color)
93-
94-
def pixel(self, x, y, color=None):
95-
if x < 0 or x >= self.width or y < 0 or y >= self.height:
96-
return
97-
if color is None:
98-
return self.get_pixel(self, x, y)
99-
else:
100-
self.draw_pixel(self, x, y, color)
101-
102-
def hline(self, x, y, width, color):
103-
self.fill_rect(x, y, width, 1, color)
104-
105-
def vline(self, x, y, height, color):
106-
self.fill_rect(x, y, 1, height, color)
107-
108-
def rect(self, x, y, width, height, color):
109-
self.fill_rect(x, y, width, 1, color)
110-
self.fill_rect(x, y+height, width, 1, color)
111-
self.fill_rect(self, x, y, 1, height, color)
112-
self.fill_rect(self, x+width, y, 1, height, color)
113-
114-
def line(self):
115-
raise NotImplementedError()
116-
117-
def blit(self):
118-
raise NotImplementedError()
119-
120-
def scroll(self):
121-
raise NotImplementedError()
122-
123-
def text(self):
124-
raise NotImplementedError()
7+
"""Base class for EPD displays
8+
"""
9+
BLACK = 0
10+
WHITE = 1
11+
INVERSE = 2
12+
RED = 3
13+
DARK = 4
14+
LIGHT = 5
15+
16+
def __init__(self, width, height, rst_pin, dc_pin, busy_pin, srcs_pin, cs_pin, spi):
17+
self.width = width
18+
self.height = height
19+
20+
# Setup reset pin.
21+
self._rst = rst_pin
22+
self._rst.direction = digitalio.Direction.OUTPUT
23+
24+
# Setup busy pin.
25+
self._busy = busy_pin
26+
self._busy.direction = digitalio.Direction.INPUT
27+
28+
# Setup dc pin.
29+
self._dc = dc_pin
30+
self._dc.direction = digitalio.Direction.OUTPUT
31+
32+
# Setup cs pin.
33+
self._cs = cs_pin
34+
self._cs.direction = digitalio.Direction.OUTPUT
35+
36+
self.spi_device = spi
37+
38+
self.sram = mcp_sram.Adafruit_MCP_SRAM(srcs_pin, spi)
39+
40+
def begin(self, reset=True):
41+
self._cs.value = True
42+
self._dc.value = False
43+
44+
if reset:
45+
self._rst.value = False
46+
time.sleep(.1)
47+
self._rst.value = True
48+
time.sleep(.1)
49+
50+
def command(self, cmd, data=None, end=True):
51+
"""Send command byte to display."""
52+
self._cs.value = True
53+
self._dc.value = False
54+
self._cs.value = False
55+
outbuf = bytearray(1)
56+
57+
while not self.spi_device.try_lock():
58+
pass
59+
self.spi_device.write_readinto(bytearray([cmd]), outbuf)
60+
61+
if data is not None:
62+
self.data(data)
63+
64+
elif end:
65+
self._cs.value = True
66+
67+
self.spi_device.unlock()
68+
return outbuf[0]
69+
70+
def data(self, dat):
71+
"""Send data to display."""
72+
self._dc.value = True
73+
self.spi_device.write(dat)
74+
self._cs.value = True
75+
self.spi_device.unlock()
76+
77+
def draw_pixel(self, x, y, color):
78+
pass
79+
80+
def get_pixel(self, x, y):
81+
pass
82+
83+
#framebuf methods
84+
def fill(self, color):
85+
self.fill_rect(self, 0, 0, self.width, self.height, color)
86+
87+
def fill_rect(self, x, y, width, height, color):
88+
if width < 1 or height < 1 or (x+width) <= 0 or (y+height) <= 0 \
89+
or y >= self.height or x >= self.width:
90+
return
91+
xend = min(self.width, x+width)
92+
yend = min(self.height, y+height)
93+
x = max(x, 0)
94+
y = max(y, 0)
95+
for _x in range(xend - x):
96+
for _y in range(yend - y):
97+
self.draw_pixel(x + _x, y + _y, color)
98+
return
99+
100+
def pixel(self, x, y, color=None):
101+
if x < 0 or x >= self.width or y < 0 or y >= self.height:
102+
return None
103+
if color is None:
104+
return self.get_pixel(self, x, y)
105+
106+
self.draw_pixel(self, x, y, color)
107+
return None
108+
109+
def hline(self, x, y, width, color):
110+
self.fill_rect(x, y, width, 1, color)
111+
112+
def vline(self, x, y, height, color):
113+
self.fill_rect(x, y, 1, height, color)
114+
115+
def rect(self, x, y, width, height, color):
116+
self.fill_rect(x, y, width, 1, color)
117+
self.fill_rect(x, y+height, width, 1, color)
118+
self.fill_rect(self, x, y, 1, height, color)
119+
self.fill_rect(self, x+width, y, 1, height, color)
120+
121+
def line(self):
122+
raise NotImplementedError()
123+
124+
def blit(self):
125+
raise NotImplementedError()
126+
127+
def scroll(self):
128+
raise NotImplementedError()
129+
130+
def text(self):
131+
raise NotImplementedError()

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