Updated driver for 7.5" v2 colour
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		| @@ -1,40 +1,43 @@ | ||||
| """ | ||||
| * | File        :	  epd7in5bc.py | ||||
| * | Author      :   Waveshare team | ||||
| * | Function    :   Electronic paper driver | ||||
| * | Info        : | ||||
| *---------------- | ||||
| * | This version:   V4.0 | ||||
| * | Date        :   2019-06-20 | ||||
| # | 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: | ||||
| # ***************************************************************************** | ||||
| # * | File        :	  epd7in5b_V2.py | ||||
| # * | Author      :   Waveshare team | ||||
| # * | Function    :   Electronic paper driver | ||||
| # * | Info        : | ||||
| # *---------------- | ||||
| # * | This version:   V4.2 | ||||
| # * | Date        :   2022-01-08 | ||||
| # # | Info        :   python demo | ||||
| # ----------------------------------------------------------------------------- | ||||
| # Permission is hereby granted, free of charge, to any person obtaining a copy | ||||
| # of this software and associated documentation 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. | ||||
| # | ||||
|  | ||||
| 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. | ||||
| """ | ||||
|  | ||||
| import logging | ||||
|  | ||||
| from inkycal.display.drivers import epdconfig | ||||
| from . import epdconfig | ||||
|  | ||||
| # Display resolution | ||||
| EPD_WIDTH = 800 | ||||
| EPD_HEIGHT = 480 | ||||
|  | ||||
| logger = logging.getLogger(__name__) | ||||
|  | ||||
|  | ||||
| class EPD: | ||||
|     def __init__(self): | ||||
| @@ -66,17 +69,24 @@ class EPD: | ||||
|         epdconfig.spi_writebyte([data]) | ||||
|         epdconfig.digital_write(self.cs_pin, 1) | ||||
|  | ||||
|     def send_data2(self, data):  # faster | ||||
|         epdconfig.digital_write(self.dc_pin, 1) | ||||
|         epdconfig.digital_write(self.cs_pin, 0) | ||||
|         epdconfig.spi_writebyte2(data) | ||||
|         epdconfig.digital_write(self.cs_pin, 1) | ||||
|  | ||||
|     def ReadBusy(self): | ||||
|         logging.debug("e-Paper busy") | ||||
|         logger.debug("e-Paper busy") | ||||
|         self.send_command(0x71) | ||||
|         busy = epdconfig.digital_read(self.busy_pin) | ||||
|         while (busy == 0): | ||||
|             self.send_command(0x71) | ||||
|             busy = epdconfig.digital_read(self.busy_pin) | ||||
|         epdconfig.delay_ms(200) | ||||
|         logger.debug("e-Paper busy release") | ||||
|  | ||||
|     def init(self): | ||||
|         if (epdconfig.module_init() != 0): | ||||
|         if epdconfig.module_init() != 0: | ||||
|             return -1 | ||||
|  | ||||
|         self.reset() | ||||
| @@ -92,7 +102,7 @@ class EPD: | ||||
|         self.ReadBusy() | ||||
|  | ||||
|         self.send_command(0X00)  # PANNEL SETTING | ||||
|         self.send_data(0x0F)  # KW-3f   KWR-2F	BWROTP 0f	BWOTP 1f | ||||
|         self.send_data(0x0F)  # KW-3f KWR-2F BWROTP-0f BWOTP-1f | ||||
|  | ||||
|         self.send_command(0x61)  # tres | ||||
|         self.send_data(0x03)  # source 800 | ||||
| @@ -110,53 +120,56 @@ class EPD: | ||||
|         self.send_command(0X60)  # TCON SETTING | ||||
|         self.send_data(0x22) | ||||
|  | ||||
|         self.send_command(0x65) | ||||
|         self.send_data(0x00) | ||||
|         self.send_data(0x00) | ||||
|         self.send_data(0x00) | ||||
|         self.send_data(0x00) | ||||
|  | ||||
|         return 0 | ||||
|  | ||||
|     def getbuffer(self, image): | ||||
|         # logging.debug("bufsiz = ",int(self.width/8) * self.height) | ||||
|         buf = [0xFF] * (int(self.width / 8) * self.height) | ||||
|         image_monocolor = image.convert('1') | ||||
|         imwidth, imheight = image_monocolor.size | ||||
|         pixels = image_monocolor.load() | ||||
|         logging.debug('imwidth = %d  imheight =  %d ', imwidth, imheight) | ||||
|         if (imwidth == self.width and imheight == self.height): | ||||
|             logging.debug("Horizontal") | ||||
|             for y in range(imheight): | ||||
|                 for x in range(imwidth): | ||||
|                     # Set the bits for the column of pixels at the current position. | ||||
|                     if pixels[x, y] == 0: | ||||
|                         buf[int((x + y * self.width) / 8)] &= ~(0x80 >> (x % 8)) | ||||
|         elif (imwidth == self.height and imheight == self.width): | ||||
|             logging.debug("Vertical") | ||||
|             for y in range(imheight): | ||||
|                 for x in range(imwidth): | ||||
|                     newx = y | ||||
|                     newy = self.height - x - 1 | ||||
|                     if pixels[x, y] == 0: | ||||
|                         buf[int((newx + newy * self.width) / 8)] &= ~(0x80 >> (y % 8)) | ||||
|         img = image | ||||
|         imwidth, imheight = img.size | ||||
|         if imwidth == self.width and imheight == self.height: | ||||
|             img = img.convert('1') | ||||
|         elif imwidth == self.height and imheight == self.width: | ||||
|             # image has correct dimensions, but needs to be rotated | ||||
|             img = img.rotate(90, expand=True).convert('1') | ||||
|         else: | ||||
|             logger.warning("Wrong image dimensions: must be " + str(self.width) + "x" + str(self.height)) | ||||
|             # return a blank buffer | ||||
|             return [0x00] * (int(self.width / 8) * self.height) | ||||
|  | ||||
|         buf = bytearray(img.tobytes('raw')) | ||||
|         # The bytes need to be inverted, because in the PIL world 0=black and 1=white, but | ||||
|         # in the e-paper world 0=white and 1=black. | ||||
|         for i in range(len(buf)): | ||||
|             buf[i] ^= 0xFF | ||||
|         return buf | ||||
|  | ||||
|     def display(self, imageblack, imagered): | ||||
|         self.send_command(0x10) | ||||
|         for i in range(0, int(self.width * self.height / 8)): | ||||
|             self.send_data(imageblack[i]) | ||||
|         # The black bytes need to be inverted back from what getbuffer did | ||||
|         for i in range(len(imageblack)): | ||||
|             imageblack[i] ^= 0xFF | ||||
|         self.send_data2(imageblack) | ||||
|  | ||||
|         self.send_command(0x13) | ||||
|         for i in range(0, int(self.width * self.height / 8)): | ||||
|             self.send_data(~imagered[i]) | ||||
|         self.send_data2(imagered) | ||||
|  | ||||
|         self.send_command(0x12) | ||||
|         epdconfig.delay_ms(100) | ||||
|         self.ReadBusy() | ||||
|  | ||||
|     def Clear(self): | ||||
|         buf = [0x00] * (int(self.width / 8) * self.height) | ||||
|         buf2 = [0xff] * (int(self.width / 8) * self.height) | ||||
|         self.send_command(0x10) | ||||
|         for i in range(0, int(self.width * self.height / 8)): | ||||
|             self.send_data(0xff) | ||||
|         self.send_data2(buf2) | ||||
|  | ||||
|         self.send_command(0x13) | ||||
|         for i in range(0, int(self.width * self.height / 8)): | ||||
|             self.send_data(0x00) | ||||
|         self.send_data2(buf) | ||||
|  | ||||
|         self.send_command(0x12) | ||||
|         epdconfig.delay_ms(100) | ||||
| @@ -169,5 +182,5 @@ class EPD: | ||||
|         self.send_command(0x07)  # DEEP_SLEEP | ||||
|         self.send_data(0XA5) | ||||
|  | ||||
|         epdconfig.delay_ms(2000) | ||||
|         epdconfig.module_exit() | ||||
| ### END OF FILE ### | ||||
|   | ||||
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