Add Sunrise x3 Pi Python program, modify some programs to speed up data transfer.
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28 changed files with 709 additions and 453 deletions
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@ -4,8 +4,8 @@
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# * | Function : Electronic paper driver
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# * | Info :
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# *----------------
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# * | This version: V4.0
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# * | Date : 2019-06-20
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# * | This version: V4.1
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# * | Date : 2022-08-9
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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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@ -241,6 +241,13 @@ class EPD:
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte([data])
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epdconfig.digital_write(self.cs_pin, 1)
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# send a lot of data
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def send_data2(self, data):
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epdconfig.digital_write(self.dc_pin, 1)
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epdconfig.digital_write(self.cs_pin, 0)
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epdconfig.spi_writebyte2(data)
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epdconfig.digital_write(self.cs_pin, 1)
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def ReadBusy(self):
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self.send_command(0x71)
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@ -250,73 +257,57 @@ class EPD:
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def set_lut(self):
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self.send_command(0x20) # vcom
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for count in range(0, 36):
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self.send_data(self.lut_vcom0[count])
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self.send_data2(self.lut_vcom0)
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self.send_command(0x21) # ww --
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for count in range(0, 36):
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self.send_data(self.lut_ww[count])
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self.send_data2(self.lut_ww)
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self.send_command(0x22) # bw r
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for count in range(0, 36):
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self.send_data(self.lut_bw[count])
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self.send_data2(self.lut_bw)
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self.send_command(0x23) # wb w
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for count in range(0, 36):
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self.send_data(self.lut_bb[count])
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self.send_data2(self.lut_bb)
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self.send_command(0x24) # bb b
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for count in range(0, 36):
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self.send_data(self.lut_wb[count])
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self.send_data2(self.lut_wb)
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def Partial_SetLut(self):
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self.send_command(0x20);
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for count in range(0, 44):
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self.send_data(self.EPD_4IN2_Partial_lut_vcom1[count])
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self.send_command(0x20)
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self.send_data2(self.EPD_4IN2_Partial_lut_vcom1)
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self.send_command(0x21);
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_Partial_lut_ww1[count])
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self.send_command(0x21)
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self.send_data2(self.EPD_4IN2_Partial_lut_ww1)
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self.send_command(0x22);
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_Partial_lut_bw1[count])
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self.send_command(0x22)
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self.send_data2(self.EPD_4IN2_Partial_lut_bw1)
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self.send_command(0x23);
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_Partial_lut_wb1[count])
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self.send_command(0x23)
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self.send_data2(self.EPD_4IN2_Partial_lut_wb1)
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self.send_command(0x24);
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_Partial_lut_bb1[count])
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self.send_command(0x24)
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self.send_data2(self.EPD_4IN2_Partial_lut_bb1)
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def Gray_SetLut(self):
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self.send_command(0x20) #vcom
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_4Gray_lut_vcom[count])
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self.send_data2(self.EPD_4IN2_4Gray_lut_vcom)
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self.send_command(0x21) #red not use
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
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self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
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self.send_command(0x22) #bw r
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_4Gray_lut_bw[count])
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self.send_data2(self.EPD_4IN2_4Gray_lut_bw)
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self.send_command(0x23) #wb w
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_4Gray_lut_wb[count])
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self.send_data2(self.EPD_4IN2_4Gray_lut_wb)
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self.send_command(0x24) #bb b
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_4Gray_lut_bb[count])
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self.send_data2(self.EPD_4IN2_4Gray_lut_bb)
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self.send_command(0x25) #vcom
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for count in range(0, 42):
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self.send_data(self.EPD_4IN2_4Gray_lut_ww[count])
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self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
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def init(self):
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@ -504,15 +495,18 @@ class EPD:
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return buf
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def display(self, image):
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if self.width%8 == 0:
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linewidth = int(self.width/8)
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else:
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linewidth = int(self.width/8) + 1
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self.send_command(0x92);
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self.set_lut();
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self.set_lut()
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self.send_command(0x10)
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for i in range(0, int(self.width * self.height / 8)):
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self.send_data(0xFF)
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self.send_data2([0xFF] * int(self.width * linewidth))
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self.send_command(0x13)
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for i in range(0, int(self.width * self.height / 8)):
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self.send_data(image[i])
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self.send_data2(image)
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self.send_command(0x12)
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self.ReadBusy()
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@ -520,54 +514,72 @@ class EPD:
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def EPD_4IN2_PartialDisplay(self, X_start, Y_start, X_end, Y_end, Image):
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# EPD_WIDTH = 400
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# EPD_HEIGHT = 300
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if(EPD_WIDTH % 8 != 0):
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Width = int(EPD_WIDTH / 8) + 1;
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Width = int(EPD_WIDTH / 8) + 1
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else:
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Width = int(EPD_WIDTH / 8);
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Height = EPD_HEIGHT;
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Width = int(EPD_WIDTH / 8)
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Height = EPD_HEIGHT
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if(X_start % 8 != 0):
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X_start = int(X_start/8)*8+8
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X_start = int(X_start/8) + 1
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else:
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X_start = int(X_start/8)
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if(X_end % 8 != 0):
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X_end = int(X_end/8)*8+8
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X_end = int(X_end/8) + 1
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else:
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X_end = int(X_end/8)
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self.send_command(0x91); #This command makes the display enter partial mode
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self.send_command(0x90); #resolution setting
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self.send_data (int(X_start/256));
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self.send_data (int(X_start%256)); #x-start
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self.send_data (int(X_end /256));
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self.send_data (int(X_end %256)-1); #x-end
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buf = [0x00] * (Y_end - Y_start) * (X_end - X_start)
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self.send_data (int(Y_start/256));
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self.send_data (int(Y_start%256)); #y-start
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self.send_command(0x91) #This command makes the display enter partial mode
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self.send_command(0x90) #resolution setting
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self.send_data (int(X_start*8/256))
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self.send_data (int(X_start*8%256)) #x-start
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self.send_data (int(X_end*8 /256))
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self.send_data (int(X_end*8 %256)-1) #x-end
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self.send_data (int(Y_start/256))
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self.send_data (int(Y_start%256)) #y-start
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self.send_data (int(Y_end/256));
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self.send_data (int(Y_end%256)-1); #y-end
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self.send_data (0x28);
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self.send_data (int(Y_end/256))
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self.send_data (int(Y_end%256)-1) #y-end
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self.send_data (0x28)
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self.send_command(0x10); #writes Old data to SRAM for programming
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for j in range(0, int(Y_end - Y_start)):
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for i in range(0, int(X_end/8) - int(X_start/8)):
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self.send_data(self.DATA[(Y_start + j)*Width + int(X_start/8) + i]);
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for j in range(0, Y_end - Y_start):
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for i in range(0, X_end - X_start):
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buf[j * (X_end - X_start) + i] = self.DATA[(Y_start + j)*Width + X_start + i]
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self.send_data2(buf)
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self.send_command(0x13); #writes New data to SRAM.
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for j in range(0, int(Y_end - Y_start)):
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for i in range(0, int(X_end/8) - int(X_start/8)):
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self.send_data(~Image[(Y_start + j)*Width + int(X_start/8) + i]);
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self.DATA[(Y_start + j)*Width + int(X_start/8) + i] = ~Image[(Y_start + j)*Width + int(X_start/8) + i]
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for j in range(0, Y_end - Y_start):
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for i in range(0, X_end - X_start):
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buf[j * (X_end - X_start) + i] = ~Image[(Y_start + j)*Width + X_start + i]
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self.DATA[(Y_start + j)*Width + X_start + i] = ~Image[(Y_start + j)*Width + X_start/8 + i]
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self.send_data2(buf)
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self.send_command(0x12); #DISPLAY REFRESH
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self.send_command(0x12) #DISPLAY REFRESH
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epdconfig.delay_ms(200) #The delay here is necessary, 200uS at least!!!
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self.ReadBusy()
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def display_4Gray(self, image):
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self.send_command(0x92);
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self.set_lut();
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self.set_lut()
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self.send_command(0x10)
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if self.width%8 == 0:
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linewidth = int(self.width/8)
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else:
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linewidth = int(self.width/8) + 1
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buf = [0x00] * self.height * linewidth
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for i in range(0, int(EPD_WIDTH * EPD_HEIGHT / 8)): # EPD_WIDTH * EPD_HEIGHT / 4
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temp3=0
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for j in range(0, 2):
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@ -597,7 +609,8 @@ class EPD:
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if(j!=1 or k!=1):
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temp3 <<= 1
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temp1 <<= 2
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self.send_data(temp3)
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buf[i] = temp3
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self.send_data2(buf)
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self.send_command(0x13)
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@ -626,11 +639,12 @@ class EPD:
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elif(temp2 == 0x80):
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temp3 |= 0x00 #gray1
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else: #0x40
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temp3 |= 0x01 #gray2
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temp3 |= 0x01 #gray2
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if(j!=1 or k!=1):
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temp3 <<= 1
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temp1 <<= 2
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self.send_data(temp3)
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buf[i] = temp3
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self.send_data2(buf)
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self.Gray_SetLut()
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self.send_command(0x12)
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@ -639,13 +653,16 @@ class EPD:
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# pass
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def Clear(self):
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if self.width%8 == 0:
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linewidth = int(self.width/8)
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else:
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linewidth = int(self.width/8) + 1
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self.send_command(0x10)
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for i in range(0, int(self.width * self.height / 8)):
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self.send_data(0xFF)
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self.send_data2([0xff] * int(self.height * linewidth))
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self.send_command(0x13)
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for i in range(0, int(self.width * self.height / 8)):
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self.send_data(0xFF)
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self.send_data2([0xff] * int(self.height * linewidth))
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self.send_command(0x12)
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self.ReadBusy()
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