261 lines
10 KiB
Python
261 lines
10 KiB
Python
|
# *****************************************************************************
|
||
|
|
# * | File : epd1in54.py
|
||
|
|
# * | Author : Waveshare team
|
||
|
|
# * | Function : Electronic paper driver
|
||
|
|
# * | Info :
|
||
|
|
# *----------------
|
||
|
|
# * | This version: V3.1
|
||
|
|
# * | Date : 2019-06-20
|
||
|
|
# # | Info : python demo
|
||
|
|
# -----------------------------------------------------------------------------
|
||
|
|
# V3.1(2019-06-18):
|
||
|
|
# 2.remove commands define:
|
||
|
|
# #define PANEL_SETTING 0x00
|
||
|
|
# #define POWER_SETTING 0x01
|
||
|
|
# #define POWER_OFF 0x02
|
||
|
|
# #define POWER_OFF_SEQUENCE_SETTING 0x03
|
||
|
|
# #define POWER_ON 0x04
|
||
|
|
# #define POWER_ON_MEASURE 0x05
|
||
|
|
# #define BOOSTER_SOFT_START 0x06
|
||
|
|
# #define DEEP_SLEEP 0x07
|
||
|
|
# #define DATA_START_TRANSMISSION_1 0x10
|
||
|
|
# #define DATA_STOP 0x11
|
||
|
|
# #define DISPLAY_REFRESH 0x12
|
||
|
|
# #define DATA_START_TRANSMISSION_2 0x13
|
||
|
|
# #define PLL_CONTROL 0x30
|
||
|
|
# #define TEMPERATURE_SENSOR_COMMAND 0x40
|
||
|
|
# #define TEMPERATURE_SENSOR_CALIBRATION 0x41
|
||
|
|
# #define TEMPERATURE_SENSOR_WRITE 0x42
|
||
|
|
# #define TEMPERATURE_SENSOR_READ 0x43
|
||
|
|
# #define VCOM_AND_DATA_INTERVAL_SETTING 0x50
|
||
|
|
# #define LOW_POWER_DETECTION 0x51
|
||
|
|
# #define TCON_SETTING 0x60
|
||
|
|
# #define TCON_RESOLUTION 0x61
|
||
|
|
# #define SOURCE_AND_GATE_START_SETTING 0x62
|
||
|
|
# #define GET_STATUS 0x71
|
||
|
|
# #define AUTO_MEASURE_VCOM 0x80
|
||
|
|
# #define VCOM_VALUE 0x81
|
||
|
|
# #define VCM_DC_SETTING_REGISTER 0x82
|
||
|
|
# #define PROGRAM_MODE 0xA0
|
||
|
|
# #define ACTIVE_PROGRAM 0xA1
|
||
|
|
# #define READ_OTP_DATA 0xA2
|
||
|
|
# -----------------------------------------------------------------------------
|
||
|
|
# V3.0(2018-11-01):
|
||
|
|
# # 1.Remove:
|
||
|
|
# digital_write(self, pin, value)
|
||
|
|
# digital_read(self, pin)
|
||
|
|
# delay_ms(self, delaytime)
|
||
|
|
# set_lut(self, lut)
|
||
|
|
# self.lut = self.lut_full_update
|
||
|
|
# * 2.Change:
|
||
|
|
# display_frame -> TurnOnDisplay
|
||
|
|
# set_memory_area -> SetWindow
|
||
|
|
# set_memory_pointer -> SetCursor
|
||
|
|
# * 3.How to use
|
||
|
|
# epd = epd1in54.EPD()
|
||
|
|
# epd.init(epd.lut_full_update)
|
||
|
|
# image = Image.new('1', (epd1in54.EPD_WIDTH, epd1in54.EPD_HEIGHT), 255)
|
||
|
|
# ...
|
||
|
|
# drawing ......
|
||
|
|
# ...
|
||
|
|
# epd.display(getbuffer(image))
|
||
|
|
# ******************************************************************************/
|
||
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
# of this software and associated documnetation files (the "Software"), to deal
|
||
|
|
# in the Software without restriction, including without limitation the rights
|
||
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
# copies of the Software, and to permit persons to whom the Software is
|
||
|
|
# furished to do so, subject to the following conditions:
|
||
|
|
#
|
||
|
|
# The above copyright notice and this permission notice shall be included in
|
||
|
|
# all copies or substantial portions of the Software.
|
||
|
|
#
|
||
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
# THE SOFTWARE.
|
||
|
|
#
|
||
|
|
|
||
|
|
import logging
|
||
|
|
from . import epdconfig
|
||
|
|
|
||
|
|
# Display resolution
|
||
|
|
EPD_WIDTH = 200
|
||
|
|
EPD_HEIGHT = 200
|
||
|
|
|
||
|
|
logger = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
class EPD:
|
||
|
|
def __init__(self):
|
||
|
|
self.reset_pin = epdconfig.RST_PIN
|
||
|
|
self.dc_pin = epdconfig.DC_PIN
|
||
|
|
self.busy_pin = epdconfig.BUSY_PIN
|
||
|
|
self.cs_pin = epdconfig.CS_PIN
|
||
|
|
self.width = EPD_WIDTH
|
||
|
|
self.height = EPD_HEIGHT
|
||
|
|
|
||
|
|
lut_full_update = [
|
||
|
|
0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22,
|
||
|
|
0x66, 0x69, 0x69, 0x59, 0x58, 0x99, 0x99, 0x88,
|
||
|
|
0x00, 0x00, 0x00, 0x00, 0xF8, 0xB4, 0x13, 0x51,
|
||
|
|
0x35, 0x51, 0x51, 0x19, 0x01, 0x00
|
||
|
|
]
|
||
|
|
|
||
|
|
lut_partial_update = [
|
||
|
|
0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00,
|
||
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
|
|
0x00, 0x00, 0x00, 0x00, 0x13, 0x14, 0x44, 0x12,
|
||
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
||
|
|
]
|
||
|
|
|
||
|
|
# Hardware reset
|
||
|
|
def reset(self):
|
||
|
|
epdconfig.digital_write(self.reset_pin, 1)
|
||
|
|
epdconfig.delay_ms(200)
|
||
|
|
epdconfig.digital_write(self.reset_pin, 0) # module reset
|
||
|
|
epdconfig.delay_ms(5)
|
||
|
|
epdconfig.digital_write(self.reset_pin, 1)
|
||
|
|
epdconfig.delay_ms(200)
|
||
|
|
|
||
|
|
def send_command(self, command):
|
||
|
|
epdconfig.digital_write(self.dc_pin, 0)
|
||
|
|
epdconfig.digital_write(self.cs_pin, 0)
|
||
|
|
epdconfig.spi_writebyte([command])
|
||
|
|
epdconfig.digital_write(self.cs_pin, 1)
|
||
|
|
|
||
|
|
def send_data(self, data):
|
||
|
|
epdconfig.digital_write(self.dc_pin, 1)
|
||
|
|
epdconfig.digital_write(self.cs_pin, 0)
|
||
|
|
epdconfig.spi_writebyte([data])
|
||
|
|
epdconfig.digital_write(self.cs_pin, 1)
|
||
|
|
|
||
|
|
def ReadBusy(self):
|
||
|
|
logger.debug("e-Paper busy")
|
||
|
|
while(epdconfig.digital_read(self.busy_pin) == 1): # 0: idle, 1: busy
|
||
|
|
epdconfig.delay_ms(100)
|
||
|
|
logger.debug("e-Paper busy release")
|
||
|
|
|
||
|
|
def TurnOnDisplay(self):
|
||
|
|
self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
|
||
|
|
self.send_data(0xC4)
|
||
|
|
self.send_command(0x20) # MASTER_ACTIVATION
|
||
|
|
self.send_command(0xFF) # TERMINATE_FRAME_READ_WRITE
|
||
|
|
|
||
|
|
self.ReadBusy()
|
||
|
|
|
||
|
|
def SetWindow(self, x_start, y_start, x_end, y_end):
|
||
|
|
self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
|
||
|
|
# x point must be the multiple of 8 or the last 3 bits will be ignored
|
||
|
|
self.send_data((x_start >> 3) & 0xFF)
|
||
|
|
self.send_data((x_end >> 3) & 0xFF)
|
||
|
|
self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
|
||
|
|
self.send_data(y_start & 0xFF)
|
||
|
|
self.send_data((y_start >> 8) & 0xFF)
|
||
|
|
self.send_data(y_end & 0xFF)
|
||
|
|
self.send_data((y_end >> 8) & 0xFF)
|
||
|
|
|
||
|
|
def SetCursor(self, x, y):
|
||
|
|
self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
|
||
|
|
# x point must be the multiple of 8 or the last 3 bits will be ignored
|
||
|
|
self.send_data((x >> 3) & 0xFF)
|
||
|
|
|
||
|
|
self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
|
||
|
|
self.send_data(y & 0xFF)
|
||
|
|
self.send_data((y >> 8) & 0xFF)
|
||
|
|
# self.ReadBusy()
|
||
|
|
|
||
|
|
def init(self, lut):
|
||
|
|
if (epdconfig.module_init() != 0):
|
||
|
|
return -1
|
||
|
|
# EPD hardware init start
|
||
|
|
self.reset()
|
||
|
|
|
||
|
|
self.send_command(0x01) # DRIVER_OUTPUT_CONTROL
|
||
|
|
self.send_data((EPD_HEIGHT - 1) & 0xFF)
|
||
|
|
self.send_data(((EPD_HEIGHT - 1) >> 8) & 0xFF)
|
||
|
|
self.send_data(0x00) # GD = 0 SM = 0 TB = 0
|
||
|
|
|
||
|
|
self.send_command(0x0C) # BOOSTER_SOFT_START_CONTROL
|
||
|
|
self.send_data(0xD7)
|
||
|
|
self.send_data(0xD6)
|
||
|
|
self.send_data(0x9D)
|
||
|
|
|
||
|
|
self.send_command(0x2C) # WRITE_VCOM_REGISTER
|
||
|
|
self.send_data(0xA8) # VCOM 7C
|
||
|
|
|
||
|
|
self.send_command(0x3A) # SET_DUMMY_LINE_PERIOD
|
||
|
|
self.send_data(0x1A) # 4 dummy lines per gate
|
||
|
|
|
||
|
|
self.send_command(0x3B) # SET_GATE_TIME
|
||
|
|
self.send_data(0x08) # 2us per line
|
||
|
|
|
||
|
|
self.send_command(0x11) # DATA_ENTRY_MODE_SETTING
|
||
|
|
self.send_data(0x03) # X increment Y increment
|
||
|
|
|
||
|
|
# set the look-up table register
|
||
|
|
self.send_command(0x32)
|
||
|
|
for i in range(0, len(lut)):
|
||
|
|
self.send_data(lut[i])
|
||
|
|
# EPD hardware init end
|
||
|
|
return 0
|
||
|
|
|
||
|
|
def getbuffer(self, image):
|
||
|
|
buf = [0xFF] * (int(self.width / 8) * self.height)
|
||
|
|
image_monocolor = image.convert('1')
|
||
|
|
imwidth, imheight = image_monocolor.size
|
||
|
|
pixels = image_monocolor.load()
|
||
|
|
if(imwidth == self.width and imheight == self.height):
|
||
|
|
logger.debug("Horizontal")
|
||
|
|
for y in range(imheight):
|
||
|
|
for x in range(imwidth):
|
||
|
|
# 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))
|
||
|
|
elif(imwidth == self.height and imheight == self.width):
|
||
|
|
logger.debug("Vertical")
|
||
|
|
for y in range(imheight):
|
||
|
|
for x in range(imwidth):
|
||
|
|
newx = y
|
||
|
|
newy = self.height - x - 1
|
||
|
|
if pixels[x, y] == 0:
|
||
|
|
buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8))
|
||
|
|
return buf
|
||
|
|
|
||
|
|
def display(self, image):
|
||
|
|
if (image == None):
|
||
|
|
return
|
||
|
|
|
||
|
|
self.SetWindow(0, 0, self.width, self.height)
|
||
|
|
for j in range(0, self.height):
|
||
|
|
self.SetCursor(0, j)
|
||
|
|
self.send_command(0x24)
|
||
|
|
for i in range(0, int(self.width / 8)):
|
||
|
|
self.send_data(image[i + j * int(self.width / 8)])
|
||
|
|
self.TurnOnDisplay()
|
||
|
|
|
||
|
|
def Clear(self, color=0xFF):
|
||
|
|
# self.SetWindow(0, 0, self.width - 1, self.height - 1)
|
||
|
|
# send the color data
|
||
|
|
self.SetWindow(0, 0, self.width, self.height)
|
||
|
|
# epdconfig.digital_write(self.dc_pin, 1)
|
||
|
|
# epdconfig.digital_write(self.cs_pin, 0)
|
||
|
|
for j in range(0, self.height):
|
||
|
|
self.SetCursor(0, j)
|
||
|
|
self.send_command(0x24)
|
||
|
|
for i in range(0, int(self.width / 8)):
|
||
|
|
self.send_data(color)
|
||
|
|
# epdconfig.digital_write(self.cs_pin, 1)
|
||
|
|
self.TurnOnDisplay()
|
||
|
|
|
||
|
|
def sleep(self):
|
||
|
|
self.send_command(0x10) # DEEP_SLEEP_MODE
|
||
|
|
self.send_data(0x01)
|
||
|
|
|
||
|
|
epdconfig.delay_ms(2000)
|
||
|
|
epdconfig.module_exit()
|
||
|
|
### END OF FILE ###
|
||
|
|
|