Update epd4in2.py
Fixed code formatting Removed ";" from lines Removed parens that shouldn't be there
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kmanc
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1 changed files with 382 additions and 384 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: V4.1
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# * | Date : 2022-08-9
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# * | This version: V4.2
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# * | Date : 2022-10-29
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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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@ -44,6 +44,7 @@ GRAY4 = 0x00 #Blackest
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logger = logging.getLogger(__name__)
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class EPD:
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def __init__(self):
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self.reset_pin = epdconfig.RST_PIN
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@ -251,7 +252,7 @@ class EPD:
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def ReadBusy(self):
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self.send_command(0x71)
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while(epdconfig.digital_read(self.busy_pin) == 0): # 0: idle, 1: busy
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while epdconfig.digital_read(self.busy_pin) == 0: # 0: idle, 1: busy
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self.send_command(0x71)
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epdconfig.delay_ms(100)
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@ -271,7 +272,6 @@ class EPD:
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self.send_command(0x24) # bb b
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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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self.send_data2(self.EPD_4IN2_Partial_lut_vcom1)
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@ -288,8 +288,6 @@ class EPD:
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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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self.send_data2(self.EPD_4IN2_4Gray_lut_vcom)
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@ -309,9 +307,8 @@ class EPD:
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self.send_command(0x25) # vcom
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self.send_data2(self.EPD_4IN2_4Gray_lut_ww)
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def init(self):
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if (epdconfig.module_init() != 0):
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if epdconfig.module_init() != 0:
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return -1
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# EPD hardware init start
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self.reset()
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@ -346,14 +343,15 @@ class EPD:
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self.send_data(0x12)
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self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
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self.send_data(0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
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self.send_data(
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0x97) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
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self.set_lut()
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# EPD hardware init end
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return 0
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def init_Partial(self):
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if (epdconfig.module_init() != 0):
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if epdconfig.module_init() != 0:
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return -1
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# EPD hardware init start
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self.reset()
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@ -388,14 +386,15 @@ class EPD:
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self.send_data(0x12)
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self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING
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self.send_data(0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
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self.send_data(
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0x07) # 97white border 77black border VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
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self.Partial_SetLut();
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self.Partial_SetLut()
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# EPD hardware init end
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return 0
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def Init_4Gray(self):
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if (epdconfig.module_init() != 0):
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if epdconfig.module_init() != 0:
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return -1
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# EPD hardware init start
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self.reset()
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@ -440,14 +439,14 @@ class EPD:
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imwidth, imheight = image_monocolor.size
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pixels = image_monocolor.load()
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# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
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if(imwidth == self.width and imheight == self.height):
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if imwidth == self.width and imheight == self.height:
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logger.debug("Horizontal")
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for y in range(imheight):
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for x in range(imwidth):
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# Set the bits for the column of pixels at the current position.
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if pixels[x, y] == 0:
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buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8))
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elif(imwidth == self.height and imheight == self.width):
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elif imwidth == self.height and imheight == self.width:
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logger.debug("Vertical")
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for y in range(imheight):
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for x in range(imwidth):
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@ -465,32 +464,36 @@ class EPD:
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pixels = image_monocolor.load()
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i = 0
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# logger.debug("imwidth = %d, imheight = %d",imwidth,imheight)
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if(imwidth == self.width and imheight == self.height):
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if imwidth == self.width and imheight == self.height:
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logger.debug("Vertical")
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for y in range(imheight):
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for x in range(imwidth):
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# Set the bits for the column of pixels at the current position.
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if(pixels[x, y] == 0xC0):
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if pixels[x, y] == 0xC0:
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pixels[x, y] = 0x80
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elif (pixels[x, y] == 0x80):
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elif pixels[x, y] == 0x80:
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pixels[x, y] = 0x40
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i = i + 1
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if(i%4 == 0):
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buf[int((x + (y * self.width))/4)] = ((pixels[x-3, y]&0xc0) | (pixels[x-2, y]&0xc0)>>2 | (pixels[x-1, y]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
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if i % 4 == 0:
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buf[int((x + (y * self.width)) / 4)] = (
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(pixels[x - 3, y] & 0xc0) | (pixels[x - 2, y] & 0xc0) >> 2 | (
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pixels[x - 1, y] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6)
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elif(imwidth == self.height and imheight == self.width):
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elif imwidth == self.height and imheight == self.width:
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logger.debug("Horizontal")
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for x in range(imwidth):
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for y in range(imheight):
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newx = y
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newy = x
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if(pixels[x, y] == 0xC0):
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if pixels[x, y] == 0xC0:
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pixels[x, y] = 0x80
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elif (pixels[x, y] == 0x80):
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elif pixels[x, y] == 0x80:
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pixels[x, y] = 0x40
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i = i + 1
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if(i%4 == 0):
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buf[int((newx + (newy * self.width))/4)] = ((pixels[x, y-3]&0xc0) | (pixels[x, y-2]&0xc0)>>2 | (pixels[x, y-1]&0xc0)>>4 | (pixels[x, y]&0xc0)>>6)
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if i % 4 == 0:
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buf[int((newx + (newy * self.width)) / 4)] = (
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(pixels[x, y - 3] & 0xc0) | (pixels[x, y - 2] & 0xc0) >> 2 | (
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pixels[x, y - 1] & 0xc0) >> 4 | (pixels[x, y] & 0xc0) >> 6)
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return buf
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@ -500,7 +503,7 @@ class EPD:
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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.send_command(0x92)
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self.set_lut()
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self.send_command(0x10)
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self.send_data2([0xFF] * int(self.width * linewidth))
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@ -515,24 +518,23 @@ class EPD:
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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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if EPD_WIDTH % 8 != 0:
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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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if(X_start % 8 != 0):
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if X_start % 8 != 0:
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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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if X_end % 8 != 0:
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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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buf = [0x00] * (Y_end - Y_start) * (X_end - X_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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@ -544,19 +546,17 @@ class EPD:
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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_command(0x10); #writes Old data to SRAM for programming
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self.send_command(0x10) # writes Old data to SRAM for programming
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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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self.send_command(0x13) # writes New data to SRAM.
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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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@ -567,9 +567,8 @@ class EPD:
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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.send_command(0x92)
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self.set_lut()
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self.send_command(0x10)
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@ -586,11 +585,11 @@ class EPD:
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temp1 = image[i * 2 + j]
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for k in range(0, 2):
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temp2 = temp1 & 0xC0
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if(temp2 == 0xC0):
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if temp2 == 0xC0:
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temp3 |= 0x01 # white
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elif(temp2 == 0x00):
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elif temp2 == 0x00:
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temp3 |= 0x00 # black
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elif(temp2 == 0x80):
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elif temp2 == 0x80:
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temp3 |= 0x01 # gray1
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else: # 0x40
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temp3 |= 0x00 # gray2
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@ -598,15 +597,15 @@ class EPD:
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temp1 <<= 2
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temp2 = temp1 & 0xC0
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if(temp2 == 0xC0): #white
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if temp2 == 0xC0: # white
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temp3 |= 0x01
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elif(temp2 == 0x00): #black
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elif temp2 == 0x00: # black
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temp3 |= 0x00
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elif(temp2 == 0x80):
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elif temp2 == 0x80:
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temp3 |= 0x01 # gray1
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else: # 0x40
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temp3 |= 0x00 # gray2
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if(j!=1 or k!=1):
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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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buf[i] = temp3
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@ -620,11 +619,11 @@ class EPD:
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temp1 = image[i * 2 + j]
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for k in range(0, 2):
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temp2 = temp1 & 0xC0
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if(temp2 == 0xC0):
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if temp2 == 0xC0:
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temp3 |= 0x01 # white
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elif(temp2 == 0x00):
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elif temp2 == 0x00:
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temp3 |= 0x00 # black
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elif(temp2 == 0x80):
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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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@ -632,15 +631,15 @@ class EPD:
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temp1 <<= 2
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temp2 = temp1 & 0xC0
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if(temp2 == 0xC0): #white
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if temp2 == 0xC0: # white
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temp3 |= 0x01
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elif(temp2 == 0x00): #black
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elif temp2 == 0x00: # black
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temp3 |= 0x00
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elif(temp2 == 0x80):
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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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if(j!=1 or k!=1):
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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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buf[i] = temp3
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@ -677,4 +676,3 @@ class EPD:
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epdconfig.module_exit()
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### END OF FILE ###
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