Added support for more E-Paper displays
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								modules/drivers/epd_5_in_83_colour.py
									
									
									
									
									
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								modules/drivers/epd_5_in_83_colour.py
									
									
									
									
									
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| # ***************************************************************************** | ||||
| # * | File        :	  epd5in83b.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: | ||||
| # | ||||
| # 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 . import epdconfig | ||||
|  | ||||
| # Display resolution | ||||
| EPD_WIDTH       = 600 | ||||
| EPD_HEIGHT      = 448 | ||||
|  | ||||
| class EPD: | ||||
|     def __init__(self): | ||||
|         self.reset_pin = epdconfig.RST_PIN | ||||
|         self.dc_pin = epdconfig.DC_PIN | ||||
|         self.busy_pin = epdconfig.BUSY_PIN | ||||
|         self.cs_pin = epdconfig.CS_PIN | ||||
|         self.width = EPD_WIDTH | ||||
|         self.height = EPD_HEIGHT | ||||
|  | ||||
|     # Hardware reset | ||||
|     def reset(self): | ||||
|         epdconfig.digital_write(self.reset_pin, 1) | ||||
|         epdconfig.delay_ms(200)  | ||||
|         epdconfig.digital_write(self.reset_pin, 0) | ||||
|         epdconfig.delay_ms(10) | ||||
|         epdconfig.digital_write(self.reset_pin, 1) | ||||
|         epdconfig.delay_ms(200)    | ||||
|  | ||||
|     def send_command(self, command): | ||||
|         epdconfig.digital_write(self.dc_pin, 0) | ||||
|         epdconfig.digital_write(self.cs_pin, 0) | ||||
|         epdconfig.spi_writebyte([command]) | ||||
|         epdconfig.digital_write(self.cs_pin, 1) | ||||
|  | ||||
|     def send_data(self, data): | ||||
|         epdconfig.digital_write(self.dc_pin, 1) | ||||
|         epdconfig.digital_write(self.cs_pin, 0) | ||||
|         epdconfig.spi_writebyte([data]) | ||||
|         epdconfig.digital_write(self.cs_pin, 1) | ||||
|          | ||||
|     def ReadBusy(self): | ||||
|         logging.debug("e-Paper busy") | ||||
|         while(epdconfig.digital_read(self.busy_pin) == 0):      # 0: idle, 1: busy | ||||
|             epdconfig.delay_ms(100) | ||||
|         logging.debug("e-Paper busy release") | ||||
|              | ||||
|     def init(self): | ||||
|         if (epdconfig.module_init() != 0): | ||||
|             return -1 | ||||
|              | ||||
|         self.reset() | ||||
|  | ||||
|         self.send_command(0x01) # POWER_SETTING | ||||
|         self.send_data(0x37) | ||||
|         self.send_data(0x00) | ||||
|          | ||||
|         self.send_command(0x00) # PANEL_SETTING | ||||
|         self.send_data(0xCF) | ||||
|         self.send_data(0x08) | ||||
|          | ||||
|         self.send_command(0x30) # PLL_CONTROL | ||||
|         self.send_data(0x3A) # PLL:  0-15:0x3C, 15+:0x3A | ||||
|         self.send_command(0X82) # VCOM VOLTAGE SETTING | ||||
|         self.send_data(0x28) # all temperature  range | ||||
|  | ||||
|         self.send_command(0x06) # boost | ||||
|         self.send_data(0xc7) 	   	 | ||||
|         self.send_data(0xcc)  | ||||
|         self.send_data(0x15)  | ||||
|  | ||||
|         self.send_command(0X50) # VCOM AND DATA INTERVAL SETTING | ||||
|         self.send_data(0x77)  | ||||
|  | ||||
|         self.send_command(0X60) # TCON SETTING | ||||
|         self.send_data(0x22)  | ||||
|  | ||||
|         self.send_command(0X65) # FLASH CONTROL | ||||
|         self.send_data(0x00) | ||||
|  | ||||
|         self.send_command(0x61) # tres			 | ||||
|         self.send_data(0x02) # source 600 | ||||
|         self.send_data(0x58)  | ||||
|         self.send_data(0x01) # gate 448 | ||||
|         self.send_data(0xc0) | ||||
|  | ||||
|         self.send_command(0xe5) # FLASH MODE		   	 | ||||
|         self.send_data(0x03)  | ||||
|         self.send_data(0x03) | ||||
|          | ||||
|         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)) | ||||
|         return buf | ||||
|  | ||||
|     def display(self, imageblack, imagered): | ||||
|         self.send_command(0x10) | ||||
|         for i in range(0, int(self.width / 8 * self.height)): | ||||
|             temp1 = imageblack[i] | ||||
|             temp2 = imagered[i] | ||||
|             j = 0 | ||||
|             while (j < 8): | ||||
|                 if ((temp2 & 0x80) == 0x00): | ||||
|                     temp3 = 0x04                #red | ||||
|                 elif ((temp1 & 0x80) == 0x00): | ||||
|                     temp3 = 0x00                #black | ||||
|                 else: | ||||
|                     temp3 = 0x03                #white | ||||
| 					 | ||||
|                 temp3 = (temp3 << 4) & 0xFF | ||||
|                 temp1 = (temp1 << 1) & 0xFF | ||||
|                 temp2 = (temp2 << 1) & 0xFF | ||||
|                 j += 1 | ||||
|                 if((temp2 & 0x80) == 0x00): | ||||
|                     temp3 |= 0x04              #red | ||||
|                 elif ((temp1 & 0x80) == 0x00): | ||||
|                     temp3 |= 0x00              #black | ||||
|                 else: | ||||
|                     temp3 |= 0x03              #white | ||||
|                 temp1 = (temp1 << 1) & 0xFF | ||||
|                 temp2 = (temp2 << 1) & 0xFF | ||||
|                 self.send_data(temp3) | ||||
|                 j += 1 | ||||
|                  | ||||
|         self.send_command(0x04) # POWER ON | ||||
|         self.ReadBusy() | ||||
|         self.send_command(0x12) # display refresh | ||||
|         epdconfig.delay_ms(100) | ||||
|         self.ReadBusy() | ||||
|          | ||||
|     def Clear(self): | ||||
|         self.send_command(0x10) | ||||
|         for i in range(0, int(self.width / 8 * self.height)): | ||||
|             self.send_data(0x33) | ||||
|             self.send_data(0x33) | ||||
|             self.send_data(0x33) | ||||
|             self.send_data(0x33) | ||||
|              | ||||
|         self.send_command(0x04) # POWER ON | ||||
|         self.ReadBusy() | ||||
|         self.send_command(0x12) # display refresh | ||||
|         epdconfig.delay_ms(100) | ||||
|         self.ReadBusy() | ||||
|  | ||||
|     def sleep(self): | ||||
|         self.send_command(0x02) # POWER_OFF | ||||
|         self.ReadBusy() | ||||
|         self.send_command(0x07) # DEEP_SLEEP | ||||
|         self.send_data(0xA5) # check code | ||||
|          | ||||
|         epdconfig.module_exit() | ||||
| ### END OF FILE ### | ||||
|  | ||||
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