class DfrobotEpaperStatusDisplay(EpaperStatusDisplayBase):
# peripheral params
RASPBERRY_SPI_BUS = 0
RASPBERRY_SPI_DEV = 0
RASPBERRY_PIN_CS = 27
RASPBERRY_PIN_CD = 17
RASPBERRY_PIN_BUSY = 4
epaper = dfrobot_epaper.DFRobot_Epaper_SPI(RASPBERRY_SPI_BUS, RASPBERRY_SPI_DEV, RASPBERRY_PIN_CS, RASPBERRY_PIN_CD, RASPBERRY_PIN_BUSY) # create epaper object
PAPER_WIDTH = 128
PAPER_HEIGHT = 250
TEXT_OFFSET_X = 125
TEXT_OFFSET_Y = 60
PREVIEW_IMAGE_WIDTH = 120
PREVIEW_IMAGE_HEIGHT = 78
screen_image = ""
finale_image = ""
fontFilePath = "../../display_extension/wqydkzh.ttf" # fonts file
status_obj = "test"
BUTTON_PIN_1 = 21
BUTTON_PIN_2 = 20
def initialization(self):
self.epaper.begin()
self.epaper.clearScreen()
#self.epaper.readID()
def _display_image(self, pil_image):
self.initialization()
Himage = self.display_status(self.screen_image, self.PREVIEW_IMAGE_WIDTH, self.PREVIEW_IMAGE_HEIGHT, self.finale_image, self.epaper, self.PAPER_HEIGHT, self.PAPER_WIDTH, self.fontFilePath, self.TEXT_OFFSET_Y, self.TEXT_OFFSET_X, self.status_obj)
Himage.save(pil_image)
self.epaper.bitmapFile(0, 0, pil_image)
from devices import dfrobot_epaper import time from display_extension.freetype_helper import Freetype_Helper fontFilePath = "../../display_extension/wqydkzh.ttf" # fonts file # peripheral params RASPBERRY_SPI_BUS = 0 RASPBERRY_SPI_DEV = 0 RASPBERRY_PIN_CS = 27 RASPBERRY_PIN_CD = 17 RASPBERRY_PIN_BUSY = 4 epaper = dfrobot_epaper.DFRobot_Epaper_SPI(RASPBERRY_SPI_BUS, RASPBERRY_SPI_DEV, RASPBERRY_PIN_CS, RASPBERRY_PIN_CD, RASPBERRY_PIN_BUSY) # create epaper object # clear screen epaper.begin() epaper.clearScreen(); # config extension fonts ft = Freetype_Helper(fontFilePath) ft.setDisLowerLimite(112) # set display lower limit, adjust this to effect fonts color depth epaper.setExFonts(ft) # init with fonts file epaper.setTextFormat(1, epaper.BLACK, epaper.WHITE, 1, 1) # print test epaper.setExFontsFmt(32, 32) # set extension fonts width and height