Implemented new EpdAdapters

This commit is contained in:
Maximilian Giller 2019-02-19 22:08:06 +01:00
parent 4a1c3ea9ca
commit ed4b511002
4 changed files with 7 additions and 419 deletions

View file

@ -24,17 +24,15 @@ except Exception as e:
print("Something didn't work right, maybe you're offline?"+e.reason) print("Something didn't work right, maybe you're offline?"+e.reason)
if display_colours == "bwr": if display_colours == "bwr":
import epd7in5b import Epd7in5bAdapter
epd = epd7in5b.EPD() epd = Epd7in5bAdapter.Epd7in5bAdapter()
if display_colours == "bw": if display_colours == "bw":
import epd7in5 import Epd7in5Adapter
epd = epd7in5.EPD() epd = Epd7in5Adapter.Epd7in5Adapter()
from calibration import calibration EPD_WIDTH = epd.width
EPD_HEIGHT = epd.height
EPD_WIDTH = 640
EPD_HEIGHT = 384
font = ImageFont.truetype(path+'Assistant-Regular.ttf', 18) font = ImageFont.truetype(path+'Assistant-Regular.ttf', 18)
im_open = Image.open im_open = Image.open
@ -274,18 +272,7 @@ def main():
pass pass
print('Initialising E-Paper Display') print('Initialising E-Paper Display')
epd.init() epd.render(image)
sleep(5)
print('Converting image to data and sending it to the display')
print('This may take a while...'+'\n')
epd.display_frame(epd.get_frame_buffer(image.rotate(270, expand=1)))
# Uncomment following line to save image
#image.save(path+'test.png')
del events_this_month[:]
del upcoming[:]
print('Data sent successfully')
print('Powering off the E-Paper until the next loop'+'\n')
epd.sleep()
for i in range(1): for i in range(1):
nexthour = ((60 - int(time.strftime("%-M")))*60) - (int(time.strftime("%-S"))) nexthour = ((60 - int(time.strftime("%-M")))*60) - (int(time.strftime("%-S")))

View file

@ -1,180 +0,0 @@
import epdif
from PIL import Image
import RPi.GPIO as GPIO
# Display resolution
EPD_WIDTH = 640
EPD_HEIGHT = 384
# EPD7IN5 commands
PANEL_SETTING = 0x00
POWER_SETTING = 0x01
POWER_OFF = 0x02
POWER_OFF_SEQUENCE_SETTING = 0x03
POWER_ON = 0x04
POWER_ON_MEASURE = 0x05
BOOSTER_SOFT_START = 0x06
DEEP_SLEEP = 0x07
DATA_START_TRANSMISSION_1 = 0x10
DATA_STOP = 0x11
DISPLAY_REFRESH = 0x12
IMAGE_PROCESS = 0x13
LUT_FOR_VCOM = 0x20
LUT_BLUE = 0x21
LUT_WHITE = 0x22
LUT_GRAY_1 = 0x23
LUT_GRAY_2 = 0x24
LUT_RED_0 = 0x25
LUT_RED_1 = 0x26
LUT_RED_2 = 0x27
LUT_RED_3 = 0x28
LUT_XON = 0x29
PLL_CONTROL = 0x30
TEMPERATURE_SENSOR_COMMAND = 0x40
TEMPERATURE_CALIBRATION = 0x41
TEMPERATURE_SENSOR_WRITE = 0x42
TEMPERATURE_SENSOR_READ = 0x43
VCOM_AND_DATA_INTERVAL_SETTING = 0x50
LOW_POWER_DETECTION = 0x51
TCON_SETTING = 0x60
TCON_RESOLUTION = 0x61
SPI_FLASH_CONTROL = 0x65
REVISION = 0x70
GET_STATUS = 0x71
AUTO_MEASUREMENT_VCOM = 0x80
READ_VCOM_VALUE = 0x81
VCM_DC_SETTING = 0x82
class EPD:
def __init__(self):
self.reset_pin = epdif.RST_PIN
self.dc_pin = epdif.DC_PIN
self.busy_pin = epdif.BUSY_PIN
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
def digital_write(self, pin, value):
epdif.epd_digital_write(pin, value)
def digital_read(self, pin):
return epdif.epd_digital_read(pin)
def delay_ms(self, delaytime):
epdif.epd_delay_ms(delaytime)
def send_command(self, command):
self.digital_write(self.dc_pin, GPIO.LOW)
# the parameter type is list but not int
# so use [command] instead of command
epdif.spi_transfer([command])
def send_data(self, data):
self.digital_write(self.dc_pin, GPIO.HIGH)
# the parameter type is list but not int
# so use [data] instead of data
epdif.spi_transfer([data])
def init(self):
if (epdif.epd_init() != 0):
return -1
self.reset()
self.send_command(POWER_SETTING)
self.send_data(0x37)
self.send_data(0x00)
self.send_command(PANEL_SETTING)
self.send_data(0xCF)
self.send_data(0x08)
self.send_command(BOOSTER_SOFT_START)
self.send_data(0xc7)
self.send_data(0xcc)
self.send_data(0x28)
self.send_command(POWER_ON)
self.wait_until_idle()
self.send_command(PLL_CONTROL)
self.send_data(0x3c)
self.send_command(TEMPERATURE_CALIBRATION)
self.send_data(0x00)
self.send_command(VCOM_AND_DATA_INTERVAL_SETTING)
self.send_data(0x77)
self.send_command(TCON_SETTING)
self.send_data(0x22)
self.send_command(TCON_RESOLUTION)
self.send_data(0x02) #source 640
self.send_data(0x80)
self.send_data(0x01) #gate 384
self.send_data(0x80)
self.send_command(VCM_DC_SETTING)
self.send_data(0x1E) #decide by LUT file
self.send_command(0xe5) #FLASH MODE
self.send_data(0x03)
def wait_until_idle(self):
while(self.digital_read(self.busy_pin) == 0): # 0: busy, 1: idle
self.delay_ms(100)
def reset(self):
self.digital_write(self.reset_pin, GPIO.LOW) # module reset
self.delay_ms(200)
self.digital_write(self.reset_pin, GPIO.HIGH)
self.delay_ms(200)
def get_frame_buffer(self, image):
buf = [0x00] * int(self.width * self.height / 8)
# Set buffer to value of Python Imaging Library image.
# Image must be in mode 1.
image_monocolor = image.convert('1') #with ot withour dithering?
imwidth, imheight = image_monocolor.size
if imwidth != self.width or imheight != self.height:
raise ValueError('Image must be same dimensions as display \
({0}x{1}).' .format(self.width, self.height))
pixels = image_monocolor.load()
for y in range(self.height):
for x in range(self.width):
# Set the bits for the column of pixels at the current position.
if pixels[x, y] != 0:
buf[int((x + y * self.width) / 8)] |= 0x80 >> (x % 8)
return buf
def display_frame(self, frame_buffer):
self.send_command(DATA_START_TRANSMISSION_1)
for i in range(0, 30720):
temp1 = frame_buffer[i]
j = 0
while (j < 8):
if(temp1 & 0x80):
temp2 = 0x03
else:
temp2 = 0x00
temp2 = (temp2 << 4) & 0xFF
temp1 = (temp1 << 1) & 0xFF
j += 1
if(temp1 & 0x80):
temp2 |= 0x03
else:
temp2 |= 0x00
temp1 = (temp1 << 1) & 0xFF
self.send_data(temp2)
j += 1
self.send_command(DISPLAY_REFRESH)
self.delay_ms(100)
self.wait_until_idle()
def sleep(self):
self.send_command(POWER_OFF)
self.wait_until_idle()
self.send_command(DEEP_SLEEP)
self.send_data(0xa5)
### END OF FILE ###

View file

@ -1,183 +0,0 @@
import epdif
from PIL import Image
import RPi.GPIO as GPIO
# Display resolution
EPD_WIDTH = 640
EPD_HEIGHT = 384
# EPD7IN5 commands
PANEL_SETTING = 0x00
POWER_SETTING = 0x01
POWER_OFF = 0x02
POWER_OFF_SEQUENCE_SETTING = 0x03
POWER_ON = 0x04
POWER_ON_MEASURE = 0x05
BOOSTER_SOFT_START = 0x06
DEEP_SLEEP = 0x07
DATA_START_TRANSMISSION_1 = 0x10
DATA_STOP = 0x11
DISPLAY_REFRESH = 0x12
IMAGE_PROCESS = 0x13
LUT_FOR_VCOM = 0x20
LUT_BLUE = 0x21
LUT_WHITE = 0x22
LUT_GRAY_1 = 0x23
LUT_GRAY_2 = 0x24
LUT_RED_0 = 0x25
LUT_RED_1 = 0x26
LUT_RED_2 = 0x27
LUT_RED_3 = 0x28
LUT_XON = 0x29
PLL_CONTROL = 0x30
TEMPERATURE_SENSOR_COMMAND = 0x40
TEMPERATURE_CALIBRATION = 0x41
TEMPERATURE_SENSOR_WRITE = 0x42
TEMPERATURE_SENSOR_READ = 0x43
VCOM_AND_DATA_INTERVAL_SETTING = 0x50
LOW_POWER_DETECTION = 0x51
TCON_SETTING = 0x60
TCON_RESOLUTION = 0x61
SPI_FLASH_CONTROL = 0x65
REVISION = 0x70
GET_STATUS = 0x71
AUTO_MEASUREMENT_VCOM = 0x80
READ_VCOM_VALUE = 0x81
VCM_DC_SETTING = 0x82
class EPD:
def __init__(self):
self.reset_pin = epdif.RST_PIN
self.dc_pin = epdif.DC_PIN
self.busy_pin = epdif.BUSY_PIN
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
def digital_write(self, pin, value):
epdif.epd_digital_write(pin, value)
def digital_read(self, pin):
return epdif.epd_digital_read(pin)
def delay_ms(self, delaytime):
epdif.epd_delay_ms(delaytime)
def send_command(self, command):
self.digital_write(self.dc_pin, GPIO.LOW)
# the parameter type is list but not int
# so use [command] instead of command
epdif.spi_transfer([command])
def send_data(self, data):
self.digital_write(self.dc_pin, GPIO.HIGH)
# the parameter type is list but not int
# so use [data] instead of data
epdif.spi_transfer([data])
def init(self):
if (epdif.epd_init() != 0):
return -1
self.reset()
self.send_command(POWER_SETTING)
self.send_data(0x37)
self.send_data(0x00)
self.send_command(PANEL_SETTING)
self.send_data(0xCF)
self.send_data(0x08)
self.send_command(BOOSTER_SOFT_START)
self.send_data(0xc7)
self.send_data(0xcc)
self.send_data(0x28)
self.send_command(POWER_ON)
self.wait_until_idle()
self.send_command(PLL_CONTROL)
self.send_data(0x3c)
self.send_command(TEMPERATURE_CALIBRATION)
self.send_data(0x00)
self.send_command(VCOM_AND_DATA_INTERVAL_SETTING)
self.send_data(0x77)
self.send_command(TCON_SETTING)
self.send_data(0x22)
self.send_command(TCON_RESOLUTION)
self.send_data(0x02) #source 640
self.send_data(0x80)
self.send_data(0x01) #gate 384
self.send_data(0x80)
self.send_command(VCM_DC_SETTING)
self.send_data(0x1E) #decide by LUT file
self.send_command(0xe5) #FLASH MODE
self.send_data(0x03)
def wait_until_idle(self):
while(self.digital_read(self.busy_pin) == 0): # 0: busy, 1: idle
self.delay_ms(100)
def reset(self):
self.digital_write(self.reset_pin, GPIO.LOW) # module reset
self.delay_ms(200)
self.digital_write(self.reset_pin, GPIO.HIGH)
self.delay_ms(200)
def get_frame_buffer(self, image):
buf = [0x00] * int(self.width * self.height / 4)
# Set buffer to value of Python Imaging Library image.
# Image must be in mode L.
image_grayscale = image.convert('L', dither=None)
imwidth, imheight = image_grayscale.size
if imwidth != self.width or imheight != self.height:
raise ValueError('Image must be same dimensions as display \
({0}x{1}).' .format(self.width, self.height))
pixels = image_grayscale.load()
for y in range(self.height):
for x in range(self.width):
# Set the bits for the column of pixels at the current position.
if pixels[x, y] < 75: #was 64 # black
buf[int((x + y * self.width) / 4)] &= ~(0xC0 >> (x % 4 * 2))
elif pixels[x, y] < 110: #was 192 # convert gray to red
buf[int((x + y * self.width) / 4)] &= ~(0xC0 >> (x % 4 * 2))
buf[int((x + y * self.width) / 4)] |= 0x40 >> (x % 4 * 2)
else: # white
buf[int((x + y * self.width) / 4)] |= 0xC0 >> (x % 4 * 2)
return buf #due to python2 -> python3, int had to be added in 'get_frame
#_buffer
def display_frame(self, frame_buffer):
self.send_command(DATA_START_TRANSMISSION_1)
for i in range(0, int(self.width / 4 * self.height)):
#the above line had to be modified due to python2 -> python3
#the issue lies in division, which returns integers in python2
#but floats in python3
temp1 = frame_buffer[i]
j = 0
while (j < 4):
if ((temp1 & 0xC0) == 0xC0):
temp2 = 0x03
elif ((temp1 & 0xC0) == 0x00):
temp2 = 0x00
else:
temp2 = 0x04
temp2 = (temp2 << 4) & 0xFF
temp1 = (temp1 << 2) & 0xFF
j += 1
if((temp1 & 0xC0) == 0xC0):
temp2 |= 0x03
elif ((temp1 & 0xC0) == 0x00):
temp2 |= 0x00
else:
temp2 |= 0x04
temp1 = (temp1 << 2) & 0xFF
self.send_data(temp2)
j += 1
self.send_command(DISPLAY_REFRESH)
self.delay_ms(100)
self.wait_until_idle()
def sleep(self):
self.send_command(POWER_OFF)
self.wait_until_idle()
self.send_command(DEEP_SLEEP)
self.send_data(0xa5)
### END OF FILE ###

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@ -1,36 +0,0 @@
import spidev
import RPi.GPIO as GPIO
import time
# Pin definition
RST_PIN = 17
DC_PIN = 25
CS_PIN = 8
BUSY_PIN = 24
# SPI device, bus = 0, device = 0
SPI = spidev.SpiDev(0, 0)
#SPI.no_cs = True
def epd_digital_write(pin, value):
GPIO.output(pin, value)
def epd_digital_read(pin):
return GPIO.input(pin)
def epd_delay_ms(delaytime):
time.sleep(delaytime / 1000.0)
def spi_transfer(data):
SPI.writebytes(data)
def epd_init():
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(RST_PIN, GPIO.OUT)
GPIO.setup(DC_PIN, GPIO.OUT)
GPIO.setup(CS_PIN, GPIO.OUT)
GPIO.setup(BUSY_PIN, GPIO.IN)
SPI.max_speed_hz = 2000000
SPI.mode = 0b00
return 0;