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Merge pull request #415 from ratmandu/add-dfrobot-display

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Add support for DFRobot epaper display
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evilsocket 2019-10-26 20:37:01 +02:00 committed by GitHub
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11 changed files with 916 additions and 1 deletions
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2
pwnagotchi/defaults.yml
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@ -204,7 +204,7 @@ ui:
display:
enabled: true
rotation: 180
# Possible options inkyphat/inky, papirus/papi, waveshare_1/ws_1 or waveshare_2/ws_2, oledhat, lcdhat, waveshare27inch
# Possible options inkyphat/inky, papirus/papi, waveshare_1/ws_1 or waveshare_2/ws_2, oledhat, lcdhat, waveshare27inch, dfrobot/df
type: 'waveshare_2'
# Possible options red/yellow/black (black used for monocromatic displays)
color: 'black'

3
pwnagotchi/ui/display.py
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@ -48,6 +48,9 @@ class Display(View):
def is_lcdhat(self):
return self._implementation.name == 'lcdhat'
def is_dfrobot(self):
return self._implementation.name == 'dfrobot'
def is_waveshare_any(self):
return self.is_waveshare_v1() or self.is_waveshare_v2()

3
pwnagotchi/ui/hw/__init__.py
View File

@ -2,6 +2,7 @@ from pwnagotchi.ui.hw.inky import Inky
from pwnagotchi.ui.hw.papirus import Papirus
from pwnagotchi.ui.hw.oledhat import OledHat
from pwnagotchi.ui.hw.lcdhat import LcdHat
from pwnagotchi.ui.hw.dfrobot import DFRobot
from pwnagotchi.ui.hw.waveshare1 import WaveshareV1
from pwnagotchi.ui.hw.waveshare2 import WaveshareV2
from pwnagotchi.ui.hw.waveshare27inch import Waveshare27inch
@ -21,6 +22,8 @@ def display_for(config):
if config['ui']['display']['type'] == 'lcdhat':
return LcdHat(config)
if config['ui']['display']['type'] == 'dfrobot':
return DFRobot(config)
elif config['ui']['display']['type'] == 'waveshare_1':
return WaveshareV1(config)

43
pwnagotchi/ui/hw/dfrobot.py Normal file
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@ -0,0 +1,43 @@
import logging
import pwnagotchi.ui.fonts as fonts
from pwnagotchi.ui.hw.base import DisplayImpl
class DFRobot(DisplayImpl):
def __init__(self, config):
super(DFRobot, self).__init__(config, 'dfrobot')
self._display = None
def layout(self):
fonts.setup(10, 9, 10, 35)
self._layout['width'] = 250
self._layout['height'] = 122
self._layout['face'] = (0, 40)
self._layout['name'] = (5, 20)
self._layout['channel'] = (0, 0)
self._layout['aps'] = (28, 0)
self._layout['uptime'] = (185, 0)
self._layout['line1'] = [0, 14, 250, 14]
self._layout['line2'] = [0, 108, 250, 108]
self._layout['friend_face'] = (0, 92)
self._layout['friend_name'] = (40, 94)
self._layout['shakes'] = (0, 109)
self._layout['mode'] = (225, 109)
self._layout['status'] = {
'pos': (125, 20),
'font': fonts.Medium,
'max': 20
}
return self._layout
def initialize(self):
logging.info("initializing dfrobot display")
from pwnagotchi.ui.hw.libs.dfrobot.dfrobot import DFRobot
self._display = DFRobot()
def render(self, canvas):
buf = self._display.getbuffer(canvas)
self._display.display(buf)
def clear(self):
self._display.Clear(0xFF)

504
pwnagotchi/ui/hw/libs/dfrobot/LICENSE Normal file
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@ -0,0 +1,504 @@
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0
pwnagotchi/ui/hw/libs/dfrobot/__init__.py Normal file
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66
pwnagotchi/ui/hw/libs/dfrobot/dfrobot.py Normal file
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@ -0,0 +1,66 @@
# DFRobot display support
import logging
from . import dfrobot_epaper
#Resolution of display
WIDTH = 250
HEIGHT = 122
RASPBERRY_SPI_BUS = 0
RASPBERRY_SPI_DEV = 0
RASPBERRY_PIN_CS = 27
RASPBERRY_PIN_CD = 17
RASPBERRY_PIN_BUSY = 4
class DFRobot:
def __init__(self):
self._display = dfrobot_epaper.DFRobot_Epaper_SPI(RASPBERRY_SPI_BUS, RASPBERRY_SPI_DEV, RASPBERRY_PIN_CS, RASPBERRY_PIN_CD, RASPBERRY_PIN_BUSY)
self._display.begin()
self.clear(0xFF)
self.FULL = self._display.FULL
self.PART = self._display.PART
def getbuffer(self, image):
if HEIGHT % 8 == 0:
linewidth = HEIGHT // 8
else:
linewidth = HEIGHT // 8 + 1
buf = [0xFF] * (linewidth * WIDTH)
image_monocolor = image.convert('1')
imwidth, imheight = image_monocolor.size
pixels = image_monocolor.load()
if (imwidth == HEIGHT and imheight == WIDTH):
for y in range(imheight):
for x in range(imwidth):
if pixels[x,y] == 0:
x = imwidth - x
buf[x // 8 + y * linewidth] &= ~(0x80 >> (x % 8))
elif (imwidth == WIDTH and imheight == HEIGHT):
for y in range(imheight):
for x in range(imwidth):
newx = y
newy = WIDTH - x - 1
if pixels[x,y] == 0:
newy = imwidth - newy - 1
buf[newx // 8 + newy * linewidth] &= ~(0x80 >> (y % 8))
return buf
def flush(self, type):
self._display.flush(type)
def display(self, buf):
self._display.setBuffer(buf)
self.flush(self._display.PART)
def clear(self, color):
if HEIGHT % 8 == 0:
linewidth = HEIGHT // 8
else:
linewidth = HEIGHT // 8 + 1
buf = [color] * (linewidth * WIDTH)
self._display.setBuffer(buf)
self.flush(self._display.FULL)

208
pwnagotchi/ui/hw/libs/dfrobot/dfrobot_epaper.py Normal file
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@ -0,0 +1,208 @@
# -*- coding:utf-8 -*-
import time
import sys
sys.path.append("..")
try:
from .spi import SPI
from .gpio import GPIO
except:
print("unknow platform")
exit()
CONFIG_IL0376F = {
}
CONFIG_IL3895 = {
}
class DFRobot_Epaper:
XDOT = 128
YDOT = 250
FULL = True
PART = False
def __init__(self, width = 250, height = 122):
# length = width * height // 8
length = 4000
self._displayBuffer = bytearray(length)
i = 0
while i < length:
self._displayBuffer[i] = 0xff
i = i + 1
self._isBusy = False
self._busyExitEdge = GPIO.RISING
def _busyCB(self, channel):
self._isBusy = False
def setBusyExitEdge(self, edge):
if edge != GPIO.HIGH and edge != GPIO.LOW:
return
self._busyEdge = edge
def begin(self):
pass
# self.setBusyCB(self._busyCB)
# self._powerOn()
def setBuffer(self, buffer):
self._displayBuffer = buffer
def pixel(self, x, y, color):
if x < 0 or x >= self._width:
return
if y < 0 or y >= self._height:
return
x = int(x)
y = int(y)
m = int(x * 16 + (y + 1) / 8)
sy = int((y + 1) % 8)
if color == self.WHITE:
if sy != 0:
self._displayBuffer[m] = self._displayBuffer[m] | int(pow(2, 8 - sy))
else:
self._displayBuffer[m - 1] = self._displayBuffer[m - 1] | 1
elif color == self.BLACK:
if sy != 0:
self._displayBuffer[m] = self._displayBuffer[m] & (0xff - int(pow(2, 8 - sy)))
else:
self._displayBuffer[m - 1] = self._displayBuffer[m - 1] & 0xfe
def _setWindow(self, x, y):
hres = y // 8
hres = hres << 3
vres_h = x >> 8
vres_l = x & 0xff
self.writeCmdAndData(0x61, [hres, vres_h, vres_l])
def _initLut(self, mode):
if mode == self.FULL:
self.writeCmdAndData(0x32, [0x22,0x55,0xAA,0x55,0xAA,0x55,0xAA,
0x11,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x1E,0x1E,0x1E,0x1E,0x1E,
0x1E,0x1E,0x1E,0x01,0x00,0x00,0x00,0x00])
elif mode == self.PART:
self.writeCmdAndData(0x32, [0x18,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0F,0x01,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00])
def _setRamData(self, xStart, xEnd, yStart, yStart1, yEnd, yEnd1):
self.writeCmdAndData(0x44, [xStart, xEnd])
self.writeCmdAndData(0x45, [yStart, yStart1, yEnd, yEnd1])
def _setRamPointer(self, x, y, y1):
self.writeCmdAndData(0x4e, [x])
self.writeCmdAndData(0x4f, [y, y1])
def _init(self):
self.writeCmdAndData(0x01, [(self.YDOT - 1) % 256, (self.YDOT - 1) // 256, 0x00])
self.writeCmdAndData(0x0c, [0xd7, 0xd6, 0x9d])
self.writeCmdAndData(0x2c, [0xa8])
self.writeCmdAndData(0x3a, [0x1a])
self.writeCmdAndData(0x3b, [0x08])
self.writeCmdAndData(0x11, [0x01])
self._setRamData(0x00, (self.XDOT - 1) // 8, (self.YDOT - 1) % 256, (self.YDOT - 1) // 256, 0x00, 0x00)
self._setRamPointer(0x00, (self.YDOT - 1) % 256, (self.YDOT - 1) // 256)
def _writeDisRam(self, sizeX, sizeY):
if sizeX % 8 != 0:
sizeX = sizeX + (8 - sizeX % 8)
sizeX = sizeX // 8
self.writeCmdAndData(0x24, self._displayBuffer[0: sizeX * sizeY])
def _updateDis(self, mode):
if mode == self.FULL:
self.writeCmdAndData(0x22, [0xc7])
elif mode == self.PART:
self.writeCmdAndData(0x22, [0x04])
else:
return
self.writeCmdAndData(0x20, [])
self.writeCmdAndData(0xff, [])
def _waitBusyExit(self):
temp = 0
while self.readBusy() != False:
time.sleep(0.01)
temp = temp + 1
if (temp % 200) == 0:
print("waitBusyExit")
def _powerOn(self):
self.writeCmdAndData(0x22, [0xc0])
self.writeCmdAndData(0x20, [])
def _powerOff(self):
self.writeCmdAndData(0x12, [])
self.writeCmdAndData(0x82, [0x00])
self.writeCmdAndData(0x01, [0x02, 0x00, 0x00, 0x00, 0x00])
self.writeCmdAndData(0x02, [])
def _disPart(self, xStart, xEnd, yStart, yEnd):
self._setRamData(xStart // 8, xEnd // 8, yEnd % 256, yEnd // 256, yStart % 256, yStart // 256)
self._setRamPointer(xStart // 8, yEnd % 256, yEnd // 256)
self._writeDisRam(xEnd - xStart, yEnd - yStart + 1)
self._updateDis(self.PART)
def flush(self, mode):
if mode != self.FULL and mode != self.PART:
return
self._init()
self._initLut(mode)
self._powerOn()
if mode == self.PART:
self._disPart(0, self.XDOT - 1, 0, self.YDOT - 1)
else:
self._setRamPointer(0x00, (self.YDOT - 1) % 256, (self.YDOT - 1) // 256)
self._writeDisRam(self.XDOT, self.YDOT)
self._updateDis(mode)
def startDrawBitmapFile(self, x, y):
self._bitmapFileStartX = x
self._bitmapFileStartY = y
def bitmapFileHelper(self, buf):
for i in range(len(buf) // 3):
addr = i * 3
if buf[addr] == 0x00 and buf[addr + 1] == 0x00 and buf[addr + 2] == 0x00:
self.pixel(self._bitmapFileStartX, self._bitmapFileStartY, self.BLACK)
else:
self.pixel(self._bitmapFileStartX, self._bitmapFileStartY, self.WHITE)
self._bitmapFileStartX += 1
def endDrawBitmapFile(self):
self.flush(self.PART)
class DFRobot_Epaper_SPI(DFRobot_Epaper):
def __init__(self, bus, dev, cs, cd, busy):
DFRobot_Epaper.__init__(self)
self._spi = SPI(bus, dev)
self._cs = GPIO(cs, GPIO.OUT)
self._cd = GPIO(cd, GPIO.OUT)
self._busy = GPIO(busy, GPIO.IN)
def writeCmdAndData(self, cmd, data = []):
self._waitBusyExit()
self._cs.setOut(GPIO.LOW)
self._cd.setOut(GPIO.LOW)
self._spi.transfer([cmd])
self._cd.setOut(GPIO.HIGH)
self._spi.transfer(data)
self._cs.setOut(GPIO.HIGH)
def readBusy(self):
return self._busy.read()
def setBusyCB(self, cb):
self._busy.setInterrupt(self._busyExitEdge, cb)

64
pwnagotchi/ui/hw/libs/dfrobot/gpio.py Normal file
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@ -0,0 +1,64 @@
# -*- coding:utf-8 -*-
import time
import RPi.GPIO as RPIGPIO
RPIGPIO.setmode(RPIGPIO.BCM)
RPIGPIO.setwarnings(False)
class GPIO:
HIGH = RPIGPIO.HIGH
LOW = RPIGPIO.LOW
OUT = RPIGPIO.OUT
IN = RPIGPIO.IN
RISING = RPIGPIO.RISING
FALLING = RPIGPIO.FALLING
BOTH = RPIGPIO.BOTH
def __init__(self, pin, mode, defaultOut = HIGH):
self._pin = pin
self._fInt = None
self._intDone = True
self._intMode = None
if mode == self.OUT:
RPIGPIO.setup(pin, mode)
if defaultOut == self.HIGH:
RPIGPIO.output(pin, defaultOut)
else:
RPIGPIO.output(pin, self.LOW)
else:
RPIGPIO.setup(pin, self.IN, pull_up_down = RPIGPIO.PUD_UP)
def setOut(self, level):
if level:
RPIGPIO.output(self._pin, self.HIGH)
else:
RPIGPIO.output(self._pin, self.LOW)
def _intCB(self, status):
if self._intDone:
self._intDone = False
time.sleep(0.02)
if self._intMode == self.BOTH:
self._fInt()
elif self._intMode == self.RISING and self.read() == self.HIGH:
self._fInt()
elif self._intMode == self.FALLING and self.read() == self.LOW:
self._fInt()
self._intDone = True
def setInterrupt(self, mode, cb):
if mode != self.RISING and mode != self.FALLING and mode != self.BOTH:
return
self._intMode = mode
RPIGPIO.add_event_detect(self._pin, mode, self._intCB)
self._fInt = cb
def read(self):
return RPIGPIO.input(self._pin)
def cleanup(self):
RPIGPIO.cleanup()

21
pwnagotchi/ui/hw/libs/dfrobot/spi.py Normal file
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@ -0,0 +1,21 @@
# -*- coding:utf-8 -*-
import spidev
class SPI:
MODE_1 = 1
MODE_2 = 2
MODE_3 = 3
MODE_4 = 4
def __init__(self, bus, dev, speed = 3900000, mode = MODE_4):
self._bus = spidev.SpiDev()
self._bus.open(bus, dev)
self._bus.no_cs = True
self._bus.max_speed_hz = speed
def transfer(self, buf):
if len(buf):
return self._bus.xfer(buf)
return []

3
pwnagotchi/utils.py
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@ -94,6 +94,9 @@ def load_config(args):
elif config['ui']['display']['type'] in ('lcdhat',):
config['ui']['display']['type'] = 'lcdhat'
elif config['ui']['display']['type'] in ('dfrobot', 'df'):
config['ui']['display']['type'] = 'dfrobot'
else:
print("unsupported display type %s" % config['ui']['display']['type'])
exit(1)