# *****************************************************************************
# * | File        :      Pico_ePaper-2.9.py
# * | Author      :   Waveshare team
# * | Function    :   Electronic paper driver
# * | Info        :
# *----------------
# * | This version:   V1.0
# * | Date        :   2021-03-16
# # | Info        :   python demo
# -----------------------------------------------------------------------------
# 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.
#

from machine import Pin, SPI
import framebuf
import utime

# Display resolution
EPD_WIDTH       = 128
EPD_HEIGHT      = 296

RST_PIN         = 12
DC_PIN          = 8
CS_PIN          = 9
BUSY_PIN        = 13

WF_PARTIAL_2IN9 = [
    0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0A,0x0,0x0,0x0,0x0,0x0,0x1,  
    0x1,0x0,0x0,0x0,0x0,0x0,0x0,
    0x1,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
    0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
    0x22,0x17,0x41,0xB0,0x32,0x36,
]

WS_20_30 = [                                    
    0x80,    0x66,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x40,    0x0,    0x0,    0x0,
    0x10,    0x66,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x20,    0x0,    0x0,    0x0,
    0x80,    0x66,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x40,    0x0,    0x0,    0x0,
    0x10,    0x66,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x20,    0x0,    0x0,    0x0,
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,
    0x14,    0x8,    0x0,    0x0,    0x0,    0x0,    0x2,                    
    0xA,    0xA,    0x0,    0xA,    0xA,    0x0,    0x1,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x14,    0x8,    0x0,    0x1,    0x0,    0x0,    0x1,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x1,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,    0x0,                    
    0x44,    0x44,    0x44,    0x44,    0x44,    0x44,    0x0,    0x0,    0x0,            
    0x22,    0x17,    0x41,    0x0,    0x32,    0x36
]

Gray4 = [										
0x00,	0x60,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,			
0x20,	0x60,	0x10,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,		
0x28,	0x60,	0x14,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x2A,	0x60,	0x15,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x90,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x02,	0x00,	0x05,	0x14,	0x00,	0x00,	
0x1E,	0x1E,	0x00,	0x00,	0x00,	0x00,	0x01,
0x00,	0x02,	0x00,	0x05,	0x14,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x00,	0x00,	0x00,	0x00,	0x00,	0x00,	0x00,
0x24,	0x22,	0x22,	0x22,	0x23,	0x32,	0x00,	0x00,	0x00,
0x22,	0x17,	0x41,	0xAE,	0x32,	0x28		
]	

class EPD_2in9_Portrait(framebuf.FrameBuffer):
    def __init__(self):
        self.reset_pin = Pin(RST_PIN, Pin.OUT)
        
        self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP)
        self.cs_pin = Pin(CS_PIN, Pin.OUT)
        self.width = EPD_WIDTH
        self.height = EPD_HEIGHT

        self.black = 0x00
        self.white = 0xff
        self.darkgray = 0xaa
        self.grayish = 0x55
        
        self.partial_lut = WF_PARTIAL_2IN9
        self.full_lut = WS_20_30
        self.Gray4_lut = Gray4
        
        self.spi = SPI(1)
        self.spi.init(baudrate=4000_000)
        self.dc_pin = Pin(DC_PIN, Pin.OUT)
        
        self.buffer = bytearray(self.height * self.width // 8)
        self.buffer_4Gray = bytearray(self.height * self.width // 4)
        self.image4Gray = framebuf.FrameBuffer(self.buffer_4Gray, self.width, self.height, framebuf.GS2_HMSB)
        super().__init__(self.buffer, self.width, self.height, framebuf.MONO_HLSB)
        self.init()

    def digital_write(self, pin, value):
        pin.value(value)

    def digital_read(self, pin):
        return pin.value()

    def delay_ms(self, delaytime):
        utime.sleep(delaytime / 1000.0)

    def spi_writebyte(self, data):
        self.spi.write(bytearray(data))

    def module_exit(self):
        self.digital_write(self.reset_pin, 0)

    # Hardware reset
    def reset(self):
        self.digital_write(self.reset_pin, 1)
        self.delay_ms(50) 
        self.digital_write(self.reset_pin, 0)
        self.delay_ms(2)
        self.digital_write(self.reset_pin, 1)
        self.delay_ms(50)   

    def send_command(self, command):
        self.digital_write(self.dc_pin, 0)
        self.digital_write(self.cs_pin, 0)
        self.spi_writebyte([command])
        self.digital_write(self.cs_pin, 1)

    def send_data(self, data):
        self.digital_write(self.dc_pin, 1)
        self.digital_write(self.cs_pin, 0)
        self.spi_writebyte([data])
        self.digital_write(self.cs_pin, 1)
        
    def send_data1(self, buf):
        self.digital_write(self.dc_pin, 1)
        self.digital_write(self.cs_pin, 0)
        self.spi.write(bytearray(buf))
        self.digital_write(self.cs_pin, 1)
        
    def ReadBusy(self):
        print("e-Paper busy")
        while(self.digital_read(self.busy_pin) == 1):      #  0: idle, 1: busy
            self.delay_ms(10) 
        print("e-Paper busy release")  

    def TurnOnDisplay(self):
        self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
        self.send_data(0xC7)
        self.send_command(0x20) # MASTER_ACTIVATION
        self.ReadBusy()

    def TurnOnDisplay_Partial(self):
        self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
        self.send_data(0x0F)
        self.send_command(0x20) # MASTER_ACTIVATION
        self.ReadBusy()

    def lut(self, lut):
        self.send_command(0x32)
        self.send_data1(lut[0:153])
        self.ReadBusy()

    def SetLut(self, lut):
        self.lut(lut)
        self.send_command(0x3f)
        self.send_data(lut[153])
        self.send_command(0x03)     # gate voltage
        self.send_data(lut[154])
        self.send_command(0x04)     # source voltage
        self.send_data(lut[155])    # VSH
        self.send_data(lut[156])    # VSH2
        self.send_data(lut[157])    # VSL
        self.send_command(0x2c)        # VCOM
        self.send_data(lut[158])

    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
        self.send_data(x & 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):
        # EPD hardware init start     
        self.reset()

        self.ReadBusy()   
        self.send_command(0x12)  #SWRESET
        self.ReadBusy()   

        self.send_command(0x01) #Driver output control      
        self.send_data(0x27)
        self.send_data(0x01)
        self.send_data(0x00)
    
        self.send_command(0x11) #data entry mode       
        self.send_data(0x03)

        self.SetWindow(0, 0, self.width-1, self.height-1)

        self.send_command(0x21) #  Display update control
        self.send_data(0x00)
        self.send_data(0x80)    
    
        self.SetCursor(0, 0)
        self.ReadBusy()

        self.SetLut(self.full_lut)
        # EPD hardware init end
        return 0
    
    def init_4Gray(self):
        self.reset()

        self.ReadBusy()
        self.send_command(0x12)  #SWRESET
        self.ReadBusy() 

        self.send_command(0x01) #Driver output control      
        self.send_data(0x27)
        self.send_data(0x01)
        self.send_data(0x00)
    
        self.send_command(0x11) #data entry mode       
        self.send_data(0x03)

        self.SetWindow(8, 0, self.width, self.height-1)

        self.send_command(0x3C)
        self.send_data(0x04)
    
        self.SetCursor(1, 0)
        self.ReadBusy()

        self.SetLut(self.Gray4_lut)
        # EPD hardware init end
        return 0

    def display(self, image):
        if (image == None):
            return            
        self.send_command(0x24) # WRITE_RAM
        self.send_data1(image)
        self.TurnOnDisplay()

    def display_Base(self, image):
        if (image == None):
            return   
        self.send_command(0x24) # WRITE_RAM
        self.send_data1(image)
                
        self.send_command(0x26) # WRITE_RAM
        self.send_data1(image)
                
        self.TurnOnDisplay()

    def display_4Gray(self, image):
        self.send_command(0x24)
        for i in range(0, 4736):
            temp3=0
            for j in range(0, 2):
                temp1 = image[i*2+j]
                for k in range(0, 2):
                    temp2 = temp1&0x03 
                    if(temp2 == 0x03):
                        temp3 |= 0x00   # white
                    elif(temp2 == 0x00):
                        temp3 |= 0x01   # black
                    elif(temp2 == 0x02):
                        temp3 |= 0x00   # gray1
                    else:   # 0x01
                        temp3 |= 0x01   # gray2
                    temp3 <<= 1

                    temp1 >>= 2
                    temp2 = temp1&0x03 
                    if(temp2 == 0x03):   # white
                        temp3 |= 0x00
                    elif(temp2 == 0x00):   # black
                        temp3 |= 0x01
                    elif(temp2 == 0x02):
                        temp3 |= 0x00   # gray1
                    else:   # 0x01
                        temp3 |= 0x01   # gray2
                    
                    if (( j!=1 ) | ( k!=1 )):
                        temp3 <<= 1
                    temp1 >>= 2
            self.send_data(temp3)
            
        self.send_command(0x26)	       
        for i in range(0, 4736):
            temp3=0
            for j in range(0, 2):
                temp1 = image[i*2+j]
                for k in range(0, 2):
                    temp2 = temp1&0x03 
                    if(temp2 == 0x03):
                        temp3 |= 0x00   # white
                    elif(temp2 == 0x00):
                        temp3 |= 0x01   # black
                    elif(temp2 == 0x02):
                        temp3 |= 0x01   # gray1
                    else:   # 0x01
                        temp3 |= 0x00   # gray2
                    temp3 <<= 1

                    temp1 >>= 2
                    temp2 = temp1&0x03
                    if(temp2 == 0x03):   # white
                        temp3 |= 0x00
                    elif(temp2 == 0x00):   # black
                        temp3 |= 0x01
                    elif(temp2 == 0x02):
                        temp3 |= 0x01   # gray1
                    else:   # 0x01
                        temp3 |= 0x00   # gray2  
                    if(j!=1 or k!=1):                    
                        temp3 <<= 1
                    temp1 >>= 2
            self.send_data(temp3)

        self.TurnOnDisplay()
        
    def display_Partial(self, image):
        if (image == None):
            return
            
        self.digital_write(self.reset_pin, 0)
        self.delay_ms(2)
        self.digital_write(self.reset_pin, 1)
        self.delay_ms(2)   
        
        self.SetLut(self.partial_lut)
        self.send_command(0x37) 
        self.send_data(0x00)  
        self.send_data(0x00)  
        self.send_data(0x00)  
        self.send_data(0x00) 
        self.send_data(0x00)      
        self.send_data(0x40)  
        self.send_data(0x00)  
        self.send_data(0x00)   
        self.send_data(0x00)  
        self.send_data(0x00)

        self.send_command(0x3C) #BorderWaveform
        self.send_data(0x80)

        self.send_command(0x22) 
        self.send_data(0xC0)   
        self.send_command(0x20) 
        self.ReadBusy()

        self.SetWindow(0, 0, self.width - 1, self.height - 1)
        self.SetCursor(0, 0)
        
        self.send_command(0x24) # WRITE_RAM
        self.send_data1(image)
        self.TurnOnDisplay_Partial()

    def Clear(self, color):
        self.send_command(0x24) # WRITE_RAM
        self.send_data1([color] * self.height * int(self.width / 8))
        self.send_command(0x26) # WRITE_RAM
        self.send_data1([color] * self.height * int(self.width / 8))
        self.TurnOnDisplay()

    def sleep(self):
        self.send_command(0x10) # DEEP_SLEEP_MODE
        self.send_data(0x01)
        
        self.delay_ms(2000)
        self.module_exit()
        

class EPD_2in9_Landscape(framebuf.FrameBuffer):
    def __init__(self):
        self.reset_pin = Pin(RST_PIN, Pin.OUT)
        
        self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP)
        self.cs_pin = Pin(CS_PIN, Pin.OUT)
        self.width = EPD_WIDTH
        self.height = EPD_HEIGHT

        
        self.partial_lut = WF_PARTIAL_2IN9
        self.full_lut = WS_20_30
        
        self.spi = SPI(1)
        self.spi.init(baudrate=4000_000)
        self.dc_pin = Pin(DC_PIN, Pin.OUT)
        
        self.buffer = bytearray(self.height * self.width // 8)
        super().__init__(self.buffer, self.height, self.width, framebuf.MONO_VLSB)
        self.init()

    def digital_write(self, pin, value):
        pin.value(value)

    def digital_read(self, pin):
        return pin.value()

    def delay_ms(self, delaytime):
        utime.sleep(delaytime / 1000.0)

    def spi_writebyte(self, data):
        self.spi.write(bytearray(data))

    def module_exit(self):
        self.digital_write(self.reset_pin, 0)

    # Hardware reset
    def reset(self):
        self.digital_write(self.reset_pin, 1)
        self.delay_ms(50) 
        self.digital_write(self.reset_pin, 0)
        self.delay_ms(2)
        self.digital_write(self.reset_pin, 1)
        self.delay_ms(50)   

    def send_command(self, command):
        self.digital_write(self.dc_pin, 0)
        self.digital_write(self.cs_pin, 0)
        self.spi_writebyte([command])
        self.digital_write(self.cs_pin, 1)

    def send_data(self, data):
        self.digital_write(self.dc_pin, 1)
        self.digital_write(self.cs_pin, 0)
        self.spi_writebyte([data])
        self.digital_write(self.cs_pin, 1)
        
    def send_data1(self, buf):
        self.digital_write(self.dc_pin, 1)
        self.digital_write(self.cs_pin, 0)
        self.spi.write(bytearray(buf))
        self.digital_write(self.cs_pin, 1)
        
    def ReadBusy(self):
        print("e-Paper busy")
        while(self.digital_read(self.busy_pin) == 1):      #  0: idle, 1: busy
            self.delay_ms(10) 
        print("e-Paper busy release")  

    def TurnOnDisplay(self):
        self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
        self.send_data(0xC7)
        self.send_command(0x20) # MASTER_ACTIVATION
        self.ReadBusy()

    def TurnOnDisplay_Partial(self):
        self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
        self.send_data(0x0F)
        self.send_command(0x20) # MASTER_ACTIVATION
        self.ReadBusy()

    def lut(self, lut):
        self.send_command(0x32)
        self.send_data1(lut[0:153])
        self.ReadBusy()

    def SetLut(self, lut):
        self.lut(lut)
        self.send_command(0x3f)
        self.send_data(lut[153])
        self.send_command(0x03)     # gate voltage
        self.send_data(lut[154])
        self.send_command(0x04)     # source voltage
        self.send_data(lut[155])    # VSH
        self.send_data(lut[156])    # VSH2
        self.send_data(lut[157])    # VSL
        self.send_command(0x2c)        # VCOM
        self.send_data(lut[158])

    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
        self.send_data(x & 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):
        # EPD hardware init start     
        self.reset()

        self.ReadBusy()   
        self.send_command(0x12)  #SWRESET
        self.ReadBusy()   

        self.send_command(0x01) #Driver output control      
        self.send_data(0x27)
        self.send_data(0x01)
        self.send_data(0x00)
    
        self.send_command(0x11) #data entry mode       
        self.send_data(0x07)

        self.SetWindow(0, 0, self.width-1, self.height-1)

        self.send_command(0x21) #  Display update control
        self.send_data(0x00)
        self.send_data(0x80)
    
        self.SetCursor(0, 0)
        self.ReadBusy()

        self.SetLut(self.full_lut)
        # EPD hardware init end
        return 0

    def display(self, image):
        if (image == None):
            return            
        self.send_command(0x24) # WRITE_RAM
        for j in range(int(self.width / 8) - 1, -1, -1):
            for i in range(0, self.height):
                self.send_data(image[i + j * self.height])   
        self.TurnOnDisplay()

    def display_Base(self, image):
        if (image == None):
            return   
        self.send_command(0x24) # WRITE_RAM
        for j in range(int(self.width / 8) - 1, -1, -1):
            for i in range(0, self.height):
                self.send_data(image[i + j * self.height])    
                
        self.send_command(0x26) # WRITE_RAM
        for j in range(int(self.width / 8) - 1, -1, -1):
            for i in range(0, self.height):
                self.send_data(image[i + j * self.height])      
                
        self.TurnOnDisplay()

    def display_Partial(self, image):
        if (image == None):
            return
            
        self.digital_write(self.reset_pin, 0)
        self.delay_ms(2)
        self.digital_write(self.reset_pin, 1)
        self.delay_ms(2)   
        
        self.SetLut(self.partial_lut)
        self.send_command(0x37) 
        self.send_data(0x00)  
        self.send_data(0x00)  
        self.send_data(0x00)  
        self.send_data(0x00) 
        self.send_data(0x00)  
        self.send_data(0x40)  
        self.send_data(0x00)  
        self.send_data(0x00)   
        self.send_data(0x00)  
        self.send_data(0x00)

        self.send_command(0x3C) #BorderWaveform
        self.send_data(0x80)

        self.send_command(0x22) 
        self.send_data(0xC0)   
        self.send_command(0x20) 
        self.ReadBusy()

        self.SetWindow(0, 0, self.width - 1, self.height - 1)
        self.SetCursor(0, 0)
        
        self.send_command(0x24) # WRITE_RAM
        for j in range(int(self.width / 8) - 1, -1, -1):
            for i in range(0, self.height):
                self.send_data(image[i + j * self.height])    
        self.TurnOnDisplay_Partial()

    def Clear(self, color):
        self.send_command(0x24) # WRITE_RAM
        self.send_data1([color] * self.height * int(self.width / 8))
        self.send_command(0x26) # WRITE_RAM
        self.send_data1([color] * self.height * int(self.width / 8))
        self.TurnOnDisplay()

    def sleep(self):
        self.send_command(0x10) # DEEP_SLEEP_MODE
        self.send_data(0x01)
        
        self.delay_ms(2000)
        self.module_exit()

if __name__=='__main__':
    # Landscape
    epd = EPD_2in9_Landscape()
    epd.Clear(0xff)
    
    epd.fill(0xff)
    epd.text("Waveshare", 5, 10, 0x00)
    epd.text("Pico_ePaper-2.9", 5, 20, 0x00)
    epd.text("Raspberry Pico", 5, 30, 0x00)
    epd.display(epd.buffer)
    epd.delay_ms(2000)
    
    epd.vline(10, 40, 60, 0x00)
    epd.vline(120, 40, 60, 0x00)
    epd.hline(10, 40, 110, 0x00)
    epd.hline(10, 100, 110, 0x00)
    epd.line(10, 40, 120, 100, 0x00)
    epd.line(120, 40, 10, 100, 0x00)
    epd.display(epd.buffer)
    epd.delay_ms(2000)
    
    epd.rect(150, 5, 50, 55, 0x00)
    epd.fill_rect(150, 65, 50, 115, 0x00)
    epd.display_Base(epd.buffer)
    epd.delay_ms(2000)
    
    for i in range(0, 10):
        epd.fill_rect(220, 60, 10, 10, 0xff)
        epd.text(str(i), 222, 62, 0x00)
        epd.display_Partial(epd.buffer)

    # Portrait
    epd = EPD_2in9_Portrait()
    epd.Clear(0xff)
    
    epd.fill(0xff)
    epd.text("Waveshare", 5, 10, 0x00)
    epd.text("Pico_ePaper-2.9", 5, 40, 0x00)
    epd.text("Raspberry Pico", 5, 70, 0x00)
    epd.display(epd.buffer)
    epd.delay_ms(2000)
    
    epd.vline(10, 90, 60, 0x00)
    epd.vline(120, 90, 60, 0x00)
    epd.hline(10, 90, 110, 0x00)
    epd.hline(10, 150, 110, 0x00)
    epd.line(10, 90, 120, 150, 0x00)
    epd.line(120, 90, 10, 150, 0x00)
    epd.display(epd.buffer)
    epd.delay_ms(2000)
    
    epd.rect(10, 180, 50, 80, 0x00)
    epd.fill_rect(70, 180, 50, 80, 0x00)
    epd.display_Base(epd.buffer)
    epd.delay_ms(2000)
    
    for i in range(0, 10):
        epd.fill_rect(40, 270, 40, 10, 0xff)
        epd.text(str(i), 60, 270, 0x00)
        epd.display_Partial(epd.buffer)

    epd.init_4Gray()
    epd.image4Gray.fill_rect(0, 0, 127, 74, epd.black)  
    epd.image4Gray.text('GRAY1',10, 33, epd.white)
    epd.image4Gray.fill_rect(0, 74, 127, 74, epd.darkgray)
    epd.image4Gray.text('GRAY2',10, 107, epd.grayish)
    epd.image4Gray.fill_rect(0, 148, 127, 74, epd.grayish)
    epd.image4Gray.text('GRAY3',10, 181, epd.darkgray)
    epd.image4Gray.fill_rect(0, 222, 127, 74, epd.white)
    epd.image4Gray.text('GRAY4',10, 255, epd.black)
    epd.display_4Gray(epd.buffer_4Gray)
    epd.delay_ms(5000)

    epd.init()
    epd.Clear(0xff)
    epd.delay_ms(2000)
    print("sleep")
    epd.sleep()
