waveshareteam · missionfloyd · Jun 9, 2026
diff --git a/python/Pico-ePaper-7.3-E.py b/python/Pico-ePaper-7.3-E.py
@@ -0,0 +1,218 @@
+# *****************************************************************************
+# * | File        :   Pico-ePaper-7.3-E.py
+# * | Author      :
+# * | Function    :   Electronic paper driver
+# * | Info        :
+# *----------------
+# * | This version:   V1.0
+# * | Date        :   2026-06-08
+# # | 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       = 800
+EPD_HEIGHT      = 480
+
+RST_PIN         = 12
+DC_PIN          = 8
+CS_PIN          = 9
+BUSY_PIN        = 13
+
+class EPD_7in0_E:
+    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.spi = SPI(1)
+        self.spi.init(baudrate=4000_000)
+        self.dc_pin = Pin(DC_PIN, Pin.OUT)
+
+        self.width = EPD_WIDTH
+        self.height = EPD_HEIGHT
+        self.BLACK  = 0x00   #   0000
+        self.WHITE  = 0x01   #   0001
+        self.YELLOW = 0x02   #   0010
+        self.RED    = 0x03   #   0011
+        self.ORANGE = 0x04   #   0100
+        self.BLUE   = 0x05   #   0101
+        self.GREEN  = 0x06   #   0110
+        self.buffer = bytearray(self.height * self.width // 2)
+        self.image = framebuf.FrameBuffer(self.buffer, self.width, self.height, framebuf.GS4_HMSB)
+        self.init()
+
+    def delay_ms(self, delaytime):
+        utime.sleep(delaytime / 1000.0)
+
+    # Hardware reset
+    def reset(self):
+        self.reset_pin.value(1)
+        self.delay_ms(20)
+        self.reset_pin.value(0)
+        self.delay_ms(2)
+        self.reset_pin.value(1)
+        self.delay_ms(20)
+
+    def send_command(self, command):
+        self.dc_pin.value(0)
+        self.cs_pin.value(0)
+        self.spi.write(bytearray([command]))
+        self.cs_pin.value(1)
+
+    def send_data(self, data):
+        self.dc_pin.value(1)
+        self.cs_pin.value(0)
+        self.spi.write(bytearray(data))
+        self.cs_pin.value(1)
+
+    def ReadBusyH(self):
+        print("e-Paper busy H")
+        while self.busy_pin.value() == 0: # 0: busy, 1: idle
+            self.delay_ms(5)
+        print("e-Paper busy H release")
+
+    def TurnOnDisplay(self):
+        self.send_command(0x17) # AUTO: AUTO SEQUENCE
+        self.send_data([0XA5])    # A5: PON->DRF->POF / A7: PON->DRF->POF->DSLP
+        self.ReadBusyH()
+
+    def init(self):
+        # EPD hardware init start
+        self.reset()
+        self.ReadBusyH()
+        self.delay_ms(30)
+
+        self.send_command(0xAA)
+        self.send_data([0x49, 0x55, 0x20, 0x08, 0x09, 0x18])
+
+        self.send_command(0x01) # PWR: POWER SETTING (REGISTER)
+        self.send_data([0x3F])
+
+        self.send_command(0x00) # PSR: PANEL SETTING (REGISTER)
+        self.send_data([0x1F])
+
+        self.send_command(0x03) # PFS: POWER OFF SEQUENCE SETTING
+        self.send_data([0x00, 0x54, 0x00, 0x44])
+
+        self.send_command(0x06) # BTST: BOOSTER SOFT START
+        self.send_data([0x10, 0x10, 0x10])
+
+        self.send_command(0x30) # PLL: PLL CONTROL
+        self.send_data([0x07])  # 0x03 -> slow, 0x07 -> fast
+
+        self.send_command(0x50) # CDI: VCOM AND DATA INTERVAL SETTING
+        self.send_data([0x3F])
+
+        self.send_command(0x60) # TCON: TCON SETTING
+        self.send_data([0x02, 0x00])
+
+        self.send_command(0x61)                  # TRES: RESOLUTION SETTING
+        self.send_data([0x03, 0x20, 0x01, 0xE0]) # [0x0320][0x01E0] -> displaysize
+
+        self.send_command(0x82)
+        self.send_data([0x01])
+
+        self.send_command(0xE3) # PWS: POWER SAVING
+        self.send_data([0x2F])
+
+        self.ReadBusyH()
+        return 0
+
+    def display(self, image):
+        self.send_command(0x10)
+        for i in range(self.width // 2):
+            self.send_data(image[i * self.height : (i + 1) * self.height])
+
+        self.TurnOnDisplay()
+
+    def Clear(self, color=0x01):
+        self.send_command(0x10)
+        for i in range(self.width // 2):
+            self.send_data([color << 4 | color] * self.width)
+
+        self.TurnOnDisplay()
+
+    def sleep(self):
+        self.send_command(0x07) # DEEP_SLEEP
+        self.send_data(0XA5)
+
+        self.delay_ms(2000)
+        self.reset_pin.value(0)
+
+if __name__=='__main__':
+    epd = EPD_7in0_E()
+    epd.Clear()
+
+    epd.image.fill(epd.WHITE)
+    epd.image.text("Waveshare", 5, 10, epd.BLACK)
+    epd.image.text("Pico_ePaper-7.3-E", 5, 40, epd.BLACK)
+    epd.image.text("Raspberry Pi Pico", 5, 70, epd.BLACK)
+    epd.display(epd.buffer)
+    epd.delay_ms(5000)
+
+    epd.image.vline(10, 90, 60, epd.BLACK)
+    epd.image.vline(120, 90, 60, epd.BLACK)
+    epd.image.hline(10, 90, 110, epd.BLACK)
+    epd.image.hline(10, 150, 110, epd.BLACK)
+    epd.image.line(10, 90, 120, 150, epd.BLACK)
+    epd.image.line(120, 90, 10, 150, epd.BLACK)
+    epd.display(epd.buffer)
+    epd.delay_ms(5000)
+
+    epd.image.fill_rect(10, 180, 50, 50, epd.BLACK)
+    epd.image.rect(70, 180, 50, 50, epd.BLACK)
+    epd.image.fill_rect(10, 240, 50, 50, epd.YELLOW)
+    epd.image.fill_rect(70, 240, 50, 50, epd.RED)
+    epd.image.fill_rect(10, 300, 50, 50, epd.ORANGE)
+    epd.image.fill_rect(70, 300, 50, 50, epd.BLUE)
+    epd.image.fill_rect(10, 360, 50, 50, epd.GREEN)
+    epd.display(epd.buffer)
+    epd.delay_ms(5000)
+
+    epd.image.fill_rect(250, 150, 480, 20, epd.BLACK)
+    epd.image.fill_rect(250, 310, 480, 20, epd.BLACK)
+    epd.image.fill_rect(400, 0, 20, 480, epd.BLACK)
+    epd.image.fill_rect(560, 0, 20, 480, epd.BLACK)
+
+    for j in range(3):
+        for i in range(15):
+            epd.image.line(270+j*160+i, 20+j*160, 375+j*160+i, 140+j*160, epd.RED)
+            epd.image.line(375+j*160+i, 20+j*160, 270+j*160+i, 140+j*160, epd.RED)
+            epd.image.line(270+j*160, 20+j*160+i, 390+j*160, 125+j*160+i, epd.RED)
+            epd.image.line(270+j*160, 125+j*160+i, 390+j*160, 20+j*160+i, epd.RED)
+
+    epd.image.ellipse(320, 240, 60, 60, epd.GREEN, True)
+    epd.image.ellipse(320, 400, 60, 60, epd.GREEN, True)
+    epd.image.ellipse(320, 240, 40, 40, epd.WHITE, True)
+    epd.image.ellipse(320, 400, 40, 40, epd.WHITE, True)
+    epd.display(epd.buffer)
+    epd.delay_ms(5000)
+
+    epd.Clear()
+    epd.delay_ms(2000)
+
+    print("sleep")
+    epd.sleep()