Improved formatting
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@@ -31,8 +31,9 @@ import logging
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from inkycal.display.drivers import epdconfig
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# Display resolution
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EPD_WIDTH = 400
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EPD_HEIGHT = 300
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EPD_WIDTH = 400
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EPD_HEIGHT = 300
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class EPD:
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def __init__(self):
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@@ -46,11 +47,12 @@ class EPD:
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# Hardware reset
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def reset(self):
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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epdconfig.delay_ms(200)
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epdconfig.digital_write(self.reset_pin, 0)
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epdconfig.delay_ms(5) # support v2 displays in favor of v1 displays.Change this to 10 for legacy v1 display support
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epdconfig.delay_ms(
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5) # support v2 displays in favor of v1 displays.Change this to 10 for legacy v1 display support
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epdconfig.digital_write(self.reset_pin, 1)
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epdconfig.delay_ms(200)
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epdconfig.delay_ms(200)
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def send_command(self, command):
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epdconfig.digital_write(self.dc_pin, 0)
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@@ -63,86 +65,85 @@ 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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def ReadBusy(self):
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logging.debug("e-Paper busy")
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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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epdconfig.delay_ms(100)
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logging.debug("e-Paper busy release")
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def init(self):
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if (epdconfig.module_init() != 0):
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return -1
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self.reset()
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self.send_command(0x06) # BOOSTER_SOFT_START
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self.send_data (0x17)
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self.send_data (0x17)
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self.send_data (0x17) # 07 0f 17 1f 27 2F 37 2f
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self.send_command(0x04) # POWER_ON
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self.send_command(0x06) # BOOSTER_SOFT_START
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self.send_data(0x17)
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self.send_data(0x17)
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self.send_data(0x17) # 07 0f 17 1f 27 2F 37 2f
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self.send_command(0x04) # POWER_ON
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self.ReadBusy()
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self.send_command(0x00) # PANEL_SETTING
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self.send_data(0x0F) # LUT from OTP
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self.send_command(0x00) # PANEL_SETTING
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self.send_data(0x0F) # LUT from OTP
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return 0
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def getbuffer(self, image):
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# logging.debug("bufsiz = ",int(self.width/8) * self.height)
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buf = [0xFF] * (int(self.width/8) * self.height)
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buf = [0xFF] * (int(self.width / 8) * self.height)
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image_monocolor = image.convert('1')
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imwidth, imheight = image_monocolor.size
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pixels = image_monocolor.load()
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# logging.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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logging.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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logging.debug("Vertical")
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for y in range(imheight):
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for x in range(imwidth):
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newx = y
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newy = self.height - x - 1
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if pixels[x, y] == 0:
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buf[int((newx + newy*self.width) / 8)] &= ~(0x80 >> (y % 8))
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buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8))
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return buf
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def display(self, imageblack, imagered):
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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(imageblack[i])
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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(imagered[i])
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self.send_command(0x12)
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self.send_command(0x12)
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self.ReadBusy()
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def Clear(self):
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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_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_command(0x12)
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self.send_command(0x12)
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self.ReadBusy()
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def sleep(self):
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self.send_command(0x02) # POWER_OFF
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self.send_command(0x02) # POWER_OFF
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self.ReadBusy()
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self.send_command(0x07) # DEEP_SLEEP
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self.send_data(0xA5) # check code
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self.send_command(0x07) # DEEP_SLEEP
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self.send_data(0xA5) # check code
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epdconfig.module_exit()
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### END OF FILE ###
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