abstracting display, touch and sd
This commit is contained in:
Adolfo Reyna
415
lib/Pico_ePaper_Code/python/Pico_ePaper-2.13-B_V4.py
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415
lib/Pico_ePaper_Code/python/Pico_ePaper-2.13-B_V4.py
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# *****************************************************************************
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# * | File : Pico_ePaper-2.13-B_V4.py
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# * | Author : Waveshare team
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# * | Function : Electronic paper driver
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# * | Info :
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# *----------------
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# * | This version: V1.0
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# * | Date : 2022-08-22
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# # | Info : python demo
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# -----------------------------------------------------------------------------
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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from machine import Pin, SPI
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import framebuf
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import utime
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EPD_WIDTH = 122
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EPD_HEIGHT = 250
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RST_PIN = 12
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DC_PIN = 8
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CS_PIN = 9
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BUSY_PIN = 13
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class EPD_2in13_B_V4_Portrait:
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def __init__(self):
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self.reset_pin = Pin(RST_PIN, Pin.OUT)
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self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP)
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self.cs_pin = Pin(CS_PIN, Pin.OUT)
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if EPD_WIDTH % 8 == 0:
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self.width = EPD_WIDTH
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else :
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self.width = (EPD_WIDTH // 8) * 8 + 8
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self.height = EPD_HEIGHT
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self.spi = SPI(1)
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self.spi.init(baudrate=4000_000)
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self.dc_pin = Pin(DC_PIN, Pin.OUT)
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self.buffer_balck = bytearray(self.height * self.width // 8)
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self.buffer_red = bytearray(self.height * self.width // 8)
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self.imageblack = framebuf.FrameBuffer(self.buffer_balck, self.width, self.height, framebuf.MONO_HLSB)
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self.imagered = framebuf.FrameBuffer(self.buffer_red, self.width, self.height, framebuf.MONO_HLSB)
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self.init()
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def digital_write(self, pin, value):
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pin.value(value)
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def digital_read(self, pin):
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return pin.value()
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def delay_ms(self, delaytime):
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utime.sleep(delaytime / 1000.0)
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def spi_writebyte(self, data):
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self.spi.write(bytearray(data))
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def module_exit(self):
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self.digital_write(self.reset_pin, 0)
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# Hardware reset
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def reset(self):
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(50)
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self.digital_write(self.reset_pin, 0)
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self.delay_ms(2)
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(50)
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def send_command(self, command):
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self.digital_write(self.dc_pin, 0)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([command])
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self.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([data])
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self.digital_write(self.cs_pin, 1)
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def send_data1(self, buf):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi.write(bytearray(buf))
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self.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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print('busy')
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while(self.digital_read(self.busy_pin) == 1):
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self.delay_ms(10)
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print('busy release')
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self.delay_ms(20)
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def TurnOnDisplay(self):
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self.send_command(0x20) # Activate Display Update Sequence
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self.ReadBusy()
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def SetWindows(self, Xstart, Ystart, Xend, Yend):
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self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
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self.send_data((Xstart>>3) & 0xFF)
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self.send_data((Xend>>3) & 0xFF)
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self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
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self.send_data(Ystart & 0xFF)
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self.send_data((Ystart >> 8) & 0xFF)
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self.send_data(Yend & 0xFF)
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self.send_data((Yend >> 8) & 0xFF)
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def SetCursor(self, Xstart, Ystart):
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self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
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self.send_data(Xstart & 0xFF)
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self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
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self.send_data(Ystart & 0xFF)
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self.send_data((Ystart >> 8) & 0xFF)
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def init(self):
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print('init')
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self.reset()
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self.ReadBusy()
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self.send_command(0x12) #SWRESET
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self.ReadBusy()
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self.send_command(0x01) #Driver output control
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self.send_data(0xf9)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x11) #data entry mode
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self.send_data(0x03)
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self.SetWindows(0, 0, self.width-1, self.height-1)
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self.SetCursor(0, 0)
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self.send_command(0x3C) #BorderWaveform
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self.send_data(0x05)
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self.send_command(0x18) #Read built-in temperature sensor
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self.send_data(0x80)
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self.send_command(0x21) # Display update control
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self.send_data(0x80)
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self.send_data(0x80)
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self.ReadBusy()
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return 0
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def display(self):
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self.send_command(0x24)
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self.send_data1(self.buffer_balck)
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self.send_command(0x26)
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self.send_data1(self.buffer_red)
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self.TurnOnDisplay()
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def Clear(self, colorblack, colorred):
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self.send_command(0x24)
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self.send_data1([colorred] * self.height * int(self.width / 8))
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self.send_command(0x26)
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self.send_data1([colorred] * self.height * int(self.width / 8))
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self.TurnOnDisplay()
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def sleep(self):
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self.send_command(0x10)
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self.send_data(0x01)
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self.delay_ms(2000)
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self.module_exit()
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class EPD_2in13_B_V4_Landscape:
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def __init__(self):
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self.reset_pin = Pin(RST_PIN, Pin.OUT)
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self.busy_pin = Pin(BUSY_PIN, Pin.IN, Pin.PULL_UP)
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self.cs_pin = Pin(CS_PIN, Pin.OUT)
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if EPD_WIDTH % 8 == 0:
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self.width = EPD_WIDTH
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else :
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self.width = (EPD_WIDTH // 8) * 8 + 8
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self.height = EPD_HEIGHT
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self.spi = SPI(1)
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self.spi.init(baudrate=4000_000)
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self.dc_pin = Pin(DC_PIN, Pin.OUT)
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self.buffer_balck = bytearray(self.height * self.width // 8)
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self.buffer_red = bytearray(self.height * self.width // 8)
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self.imageblack = framebuf.FrameBuffer(self.buffer_balck, self.height, self.width, framebuf.MONO_VLSB)
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self.imagered = framebuf.FrameBuffer(self.buffer_red, self.height, self.width, framebuf.MONO_VLSB)
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self.init()
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def digital_write(self, pin, value):
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pin.value(value)
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def digital_read(self, pin):
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return pin.value()
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def delay_ms(self, delaytime):
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utime.sleep(delaytime / 1000.0)
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def spi_writebyte(self, data):
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self.spi.write(bytearray(data))
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def module_exit(self):
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self.digital_write(self.reset_pin, 0)
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# Hardware reset
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def reset(self):
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(50)
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self.digital_write(self.reset_pin, 0)
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self.delay_ms(2)
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self.digital_write(self.reset_pin, 1)
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self.delay_ms(50)
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def send_command(self, command):
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self.digital_write(self.dc_pin, 0)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([command])
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self.digital_write(self.cs_pin, 1)
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def send_data(self, data):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi_writebyte([data])
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self.digital_write(self.cs_pin, 1)
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def send_data1(self, buf):
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self.digital_write(self.dc_pin, 1)
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self.digital_write(self.cs_pin, 0)
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self.spi.write(bytearray(buf))
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self.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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print('busy')
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while(self.digital_read(self.busy_pin) == 1):
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self.delay_ms(10)
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print('busy release')
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self.delay_ms(20)
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def TurnOnDisplay(self):
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self.send_command(0x20) # Activate Display Update Sequence
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self.ReadBusy()
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def SetWindows(self, Xstart, Ystart, Xend, Yend):
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self.send_command(0x44) # SET_RAM_X_ADDRESS_START_END_POSITION
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self.send_data((Xstart>>3) & 0xFF)
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self.send_data((Xend>>3) & 0xFF)
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self.send_command(0x45) # SET_RAM_Y_ADDRESS_START_END_POSITION
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self.send_data(Ystart & 0xFF)
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self.send_data((Ystart >> 8) & 0xFF)
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self.send_data(Yend & 0xFF)
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self.send_data((Yend >> 8) & 0xFF)
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def SetCursor(self, Xstart, Ystart):
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self.send_command(0x4E) # SET_RAM_X_ADDRESS_COUNTER
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self.send_data(Xstart & 0xFF)
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self.send_command(0x4F) # SET_RAM_Y_ADDRESS_COUNTER
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self.send_data(Ystart & 0xFF)
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self.send_data((Ystart >> 8) & 0xFF)
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def init(self):
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print('init')
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self.reset()
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self.ReadBusy()
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self.send_command(0x12) #SWRESET
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self.ReadBusy()
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self.send_command(0x01) #Driver output control
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self.send_data(0xf9)
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self.send_data(0x00)
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self.send_data(0x00)
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self.send_command(0x11) #data entry mode
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self.send_data(0x07)
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self.SetWindows(0, 0, self.width-1, self.height-1)
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self.SetCursor(0, 0)
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self.send_command(0x3C) #BorderWaveform
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self.send_data(0x05)
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self.send_command(0x18) #Read built-in temperature sensor
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self.send_data(0x80)
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self.send_command(0x21) # Display update control
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self.send_data(0x80)
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self.send_data(0x80)
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self.ReadBusy()
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return 0
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def display(self):
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self.send_command(0x24)
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for j in range(int(self.width / 8) - 1, -1, -1):
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for i in range(0, self.height):
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self.send_data(self.buffer_balck[i + j * self.height])
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self.send_command(0x26)
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for j in range(int(self.width / 8) - 1, -1, -1):
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for i in range(0, self.height):
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self.send_data(self.buffer_red[i + j * self.height])
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self.TurnOnDisplay()
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def Clear(self, colorblack, colorred):
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self.send_command(0x24)
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self.send_data1([colorblack] * self.height * int(self.width / 8))
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self.send_command(0x26)
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self.send_data1([colorred] * self.height * int(self.width / 8))
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self.TurnOnDisplay()
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def sleep(self):
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self.send_command(0x10)
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self.send_data(0x01)
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self.delay_ms(2000)
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self.module_exit()
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if __name__=='__main__':
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epd = EPD_2in13_B_V4_Portrait()
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epd.Clear(0xff, 0xff)
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epd.imageblack.fill(0xff)
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epd.imagered.fill(0xff)
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epd.imageblack.text("Waveshare", 0, 10, 0x00)
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epd.imagered.text("ePaper-2.13B", 0, 25, 0x00)
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epd.imageblack.text("RPi Pico", 0, 40, 0x00)
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epd.imagered.text("Hello World", 0, 55, 0x00)
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epd.display()
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epd.delay_ms(2000)
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epd.imagered.vline(10, 90, 40, 0x00)
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epd.imagered.vline(90, 90, 40, 0x00)
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epd.imageblack.hline(10, 90, 80, 0x00)
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epd.imageblack.hline(10, 130, 80, 0x00)
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epd.imagered.line(10, 90, 90, 130, 0x00)
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epd.imageblack.line(90, 90, 10, 130, 0x00)
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epd.display()
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epd.delay_ms(2000)
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epd.imageblack.rect(10, 150, 40, 40, 0x00)
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epd.imagered.fill_rect(60, 150, 40, 40, 0x00)
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epd.display()
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epd.delay_ms(2000)
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epd = EPD_2in13_B_V4_Landscape()
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epd.Clear(0xff, 0xff)
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epd.imageblack.fill(0xff)
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epd.imagered.fill(0xff)
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epd.imageblack.text("Waveshare", 0, 10, 0x00)
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epd.imagered.text("ePaper-2.13B", 0, 20, 0x00)
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epd.imageblack.text("Raspberry Pico", 0, 30, 0x00)
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epd.imagered.text("Hello World", 0, 40, 0x00)
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epd.display()
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epd.delay_ms(2000)
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epd.imagered.vline(5, 55, 60, 0x00)
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epd.imagered.vline(100, 55, 60, 0x00)
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epd.imageblack.hline(5, 55, 95, 0x00)
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epd.imageblack.hline(5, 115, 95, 0x00)
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epd.imagered.line(5, 55, 100, 115, 0x00)
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epd.imageblack.line(100, 55, 5, 115, 0x00)
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epd.display()
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epd.delay_ms(2000)
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epd.imageblack.rect(130, 10, 40, 80, 0x00)
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epd.imagered.fill_rect(190, 10, 40, 80, 0x00)
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epd.display()
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epd.delay_ms(2000)
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epd.Clear(0xff, 0xff)
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epd.delay_ms(2000)
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print("sleep")
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epd.sleep()
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