# //***************************************************************************** # * | File : epd5in83b.py # * | Author : Waveshare team # * | Function : Electronic paper driver # * | Info : # *---------------- # * | This version: V3.0 # * | Date : 2018-11-12 # * | Info : python2 demo # * 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 # get_frame_buffer -> getbuffer # set_frame_memory -> display # * 3.How to use # epd = epd5in83b.EPD() # epd.init(epd.lut_full_update) # image = Image.new('1', (epd5in83b.EPD_WIDTH, epd5in83b.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 epdconfig from PIL import Image import RPi.GPIO as GPIO # Display resolution EPD_WIDTH = 600 EPD_HEIGHT = 448 # epd5in83b 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 = 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 # Hardware reset def reset(self): epdconfig.digital_write(self.reset_pin, GPIO.HIGH) epdconfig.delay_ms(200) epdconfig.digital_write(self.reset_pin, GPIO.LOW) # module reset epdconfig.delay_ms(200) epdconfig.digital_write(self.reset_pin, GPIO.HIGH) epdconfig.delay_ms(200) def send_command(self, command): epdconfig.digital_write(self.cs_pin, GPIO.LOW) epdconfig.digital_write(self.dc_pin, GPIO.LOW) epdconfig.spi_writebyte([command]) epdconfig.digital_write(self.cs_pin, GPIO.HIGH) def send_data(self, data): epdconfig.digital_write(self.cs_pin, GPIO.LOW) epdconfig.digital_write(self.dc_pin, GPIO.HIGH) epdconfig.spi_writebyte([data]) epdconfig.digital_write(self.cs_pin, GPIO.HIGH) def wait_until_idle(self): print("e-Paper busy") while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy epdconfig.delay_ms(100) print("e-Paper busy release") def init(self): if (epdconfig.module_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(PLL_CONTROL) self.send_data(0x3A) # PLL: 0-15:0x3C, 15+:0x3A self.send_command(0X82) # VCOM VOLTAGE SETTING self.send_data(0x28) # all temperature range self.send_command(0x06) # boost self.send_data(0xc7) self.send_data(0xcc) self.send_data(0x15) self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING self.send_data(0x77) self.send_command(0X60) # TCON SETTING self.send_data(0x22) self.send_command(0X65) # FLASH CONTROL self.send_data(0x00) self.send_command(0x61) # tres self.send_data(0x02) # source 600 self.send_data(0x58) self.send_data(0x01) # gate 448 self.send_data(0xc0) self.send_command(0xe5) # FLASH MODE self.send_data(0x03) self.send_data(0x03) return 0 def getbuffer(self, image): # print "bufsiz = ",(self.width//8) * self.height buf = [0xFF] * ((self.width//8) * self.height) image_monocolor = image.convert('1') imwidth, imheight = image_monocolor.size pixels = image_monocolor.load() # print "imwidth = %d, imheight = %d",imwidth,imheight if(imwidth == self.width and imheight == self.height): print("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[(x + y * self.width) // 8] &= ~(0x80 >> (x % 8)) elif(imwidth == self.height and imheight == self.width): print("Vertical") for y in range(imheight): for x in range(imwidth): newx = y newy = self.height - x - 1 if pixels[x, y] == 0: buf[(newx + newy*self.width) // 8] &= ~(0x80 >> (y % 8)) return buf def display(self, imageblack, imagered): self.send_command(DATA_START_TRANSMISSION_1) for i in range(0, self.width // 8 * self.height): temp1 = imageblack[i] temp2 = imagered[i] j = 0 while (j < 8): if ((temp2 & 0x80) == 0x00): temp3 = 0x04 #red elif ((temp1 & 0x80) == 0x00): temp3 = 0x00 #black else: temp3 = 0x03 #white temp3 = (temp3 << 4) & 0xFF temp1 = (temp1 << 1) & 0xFF temp2 = (temp2 << 1) & 0xFF j += 1 if((temp2 & 0x80) == 0x00): temp3 |= 0x04 #red elif ((temp1 & 0x80) == 0x00): temp3 |= 0x00 #black else: temp3 |= 0x03 #white temp1 = (temp1 << 1) & 0xFF temp2 = (temp2 << 1) & 0xFF self.send_data(temp3) j += 1 self.send_command(POWER_ON) self.wait_until_idle() self.send_command(DISPLAY_REFRESH) epdconfig.delay_ms(100) self.wait_until_idle() def Clear(self, color): self.send_command(DATA_START_TRANSMISSION_1) for i in range(0, self.width // 8 * self.height): self.send_data(0x33) self.send_data(0x33) self.send_data(0x33) self.send_data(0x33) self.send_command(POWER_ON) self.wait_until_idle() self.send_command(DISPLAY_REFRESH) epdconfig.delay_ms(100) self.wait_until_idle() def sleep(self): self.send_command(VCOM_AND_DATA_INTERVAL_SETTING) self.send_data(0xF7) # border floating self.send_command(POWER_OFF) self.wait_until_idle() self.send_command(DEEP_SLEEP) self.send_data(0xA5) # check code ### END OF FILE ###