406 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
		
		
			
		
	
	
			406 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
|   | # /***************************************************************************** | ||
|  | # * | File        :	  epd12in48.py | ||
|  | # * | Author      :   Waveshare electrices | ||
|  | # * | Function    :   Hardware underlying interface | ||
|  | # * | Info        : | ||
|  | # *---------------- | ||
|  | # * |	This version:   V1.0 | ||
|  | # * | Date        :   2019-11-01 | ||
|  | # * | Info        :    | ||
|  | # ******************************************************************************/ | ||
|  | # 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 time | ||
|  | from inkycal.display.drivers import epdconfig_12_in_48 as epdconfig | ||
|  | 
 | ||
|  | EPD_WIDTH       = 1304 | ||
|  | EPD_HEIGHT      = 984 | ||
|  | 
 | ||
|  | class EPD(object): | ||
|  |     def __init__(self): | ||
|  |         self.width = EPD_WIDTH | ||
|  |         self.height = EPD_HEIGHT | ||
|  |          | ||
|  |         self.EPD_M1_CS_PIN  = epdconfig.EPD_M1_CS_PIN | ||
|  |         self.EPD_S1_CS_PIN  = epdconfig.EPD_S1_CS_PIN | ||
|  |         self.EPD_M2_CS_PIN  = epdconfig.EPD_M2_CS_PIN | ||
|  |         self.EPD_S2_CS_PIN  = epdconfig.EPD_S2_CS_PIN | ||
|  | 
 | ||
|  |         self.EPD_M1S1_DC_PIN  = epdconfig.EPD_M1S1_DC_PIN | ||
|  |         self.EPD_M2S2_DC_PIN  = epdconfig.EPD_M2S2_DC_PIN | ||
|  | 
 | ||
|  |         self.EPD_M1S1_RST_PIN = epdconfig.EPD_M1S1_RST_PIN | ||
|  |         self.EPD_M2S2_RST_PIN = epdconfig.EPD_M2S2_RST_PIN | ||
|  | 
 | ||
|  |         self.EPD_M1_BUSY_PIN  = epdconfig.EPD_M1_BUSY_PIN | ||
|  |         self.EPD_S1_BUSY_PIN  = epdconfig.EPD_S1_BUSY_PIN | ||
|  |         self.EPD_M2_BUSY_PIN  = epdconfig.EPD_M2_BUSY_PIN | ||
|  |         self.EPD_S2_BUSY_PIN  = epdconfig.EPD_S2_BUSY_PIN | ||
|  | 
 | ||
|  |     def init(self): | ||
|  |         print("EPD init...") | ||
|  |         epdconfig.module_init() | ||
|  |          | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)  | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)  | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)  | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)  | ||
|  |         self.Reset()  | ||
|  | 
 | ||
|  |         #panel setting | ||
|  |         self.M1_SendCommand(0x00)  | ||
|  |         self.M1_SendData(0x1f) 	#KW-3f   KWR-2F	BWROTP 0f	BWOTP 1f | ||
|  |         self.S1_SendCommand(0x00)  | ||
|  |         self.S1_SendData(0x1f)  | ||
|  |         self.M2_SendCommand(0x00)  | ||
|  |         self.M2_SendData(0x13)  | ||
|  |         self.S2_SendCommand(0x00)  | ||
|  |         self.S2_SendData(0x13)  | ||
|  | 
 | ||
|  |         # booster soft start | ||
|  |         self.M1_SendCommand(0x06)  | ||
|  |         self.M1_SendData(0x17) 	#A | ||
|  |         self.M1_SendData(0x17) 	#B | ||
|  |         self.M1_SendData(0x39) 	#C | ||
|  |         self.M1_SendData(0x17)  | ||
|  |         self.M2_SendCommand(0x06)  | ||
|  |         self.M2_SendData(0x17)  | ||
|  |         self.M2_SendData(0x17)  | ||
|  |         self.M2_SendData(0x39)  | ||
|  |         self.M2_SendData(0x17)  | ||
|  | 
 | ||
|  |         #resolution setting | ||
|  |         self.M1_SendCommand(0x61)  | ||
|  |         self.M1_SendData(0x02)  | ||
|  |         self.M1_SendData(0x88) 	#source 648 | ||
|  |         self.M1_SendData(0x01) 	#gate 492 | ||
|  |         self.M1_SendData(0xEC)  | ||
|  |         self.S1_SendCommand(0x61)  | ||
|  |         self.S1_SendData(0x02)  | ||
|  |         self.S1_SendData(0x90) 	#source 656 | ||
|  |         self.S1_SendData(0x01) 	#gate 492 | ||
|  |         self.S1_SendData(0xEC)  | ||
|  |         self.M2_SendCommand(0x61)  | ||
|  |         self.M2_SendData(0x02)  | ||
|  |         self.M2_SendData(0x90) 	#source 656 | ||
|  |         self.M2_SendData(0x01) 	#gate 492 | ||
|  |         self.M2_SendData(0xEC)  | ||
|  |         self.S2_SendCommand(0x61)  | ||
|  |         self.S2_SendData(0x02)  | ||
|  |         self.S2_SendData(0x88) 	#source 648 | ||
|  |         self.S2_SendData(0x01) 	#gate 492 | ||
|  |         self.S2_SendData(0xEC)  | ||
|  | 
 | ||
|  |         self.M1S1M2S2_SendCommand(0x15) 	#DUSPI | ||
|  |         self.M1S1M2S2_SendData(0x20)  | ||
|  | 
 | ||
|  |         self.M1S1M2S2_SendCommand(0x50) 	#Vcom and data interval setting | ||
|  |         self.M1S1M2S2_SendData(0x21)  #Border KW | ||
|  |         self.M1S1M2S2_SendData(0x07)  | ||
|  | 
 | ||
|  |         self.M1S1M2S2_SendCommand(0x60) #TCON | ||
|  |         self.M1S1M2S2_SendData(0x22)  | ||
|  | 
 | ||
|  |         self.M1S1M2S2_SendCommand(0xE3)  | ||
|  |         self.M1S1M2S2_SendData(0x00)  | ||
|  | 
 | ||
|  |         #temperature | ||
|  |         temp =  self.M1_ReadTemperature()  | ||
|  | 
 | ||
|  |         self.M1S1M2S2_SendCommand(0xe0) #Cascade setting | ||
|  |         self.M1S1M2S2_SendData(0x03)  | ||
|  |         self.M1S1M2S2_SendCommand(0xe5) #Force temperature | ||
|  |         self.M1S1M2S2_SendData(temp) | ||
|  |          | ||
|  |     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() | ||
|  |          | ||
|  |         if(imwidth == self.width and imheight == self.height):             | ||
|  |             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):             | ||
|  |             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, buf): | ||
|  |         start = time.clock()        | ||
|  | 
 | ||
|  |         #M1 part 648*492     | ||
|  |         self.M1_SendCommand(0x13) | ||
|  |         for y in  range(492, 984): | ||
|  |             for x in  range(0, 81): | ||
|  |                     self.M1_SendData(buf[y*163 + x]) | ||
|  | 
 | ||
|  |         #S1 part 656*492 | ||
|  |         self.S1_SendCommand(0x13) | ||
|  |         for y in  range(492, 984): | ||
|  |             for x in  range(81, 163): | ||
|  |                 self.S1_SendData(buf[y*163 + x]) | ||
|  | 
 | ||
|  |         #M2 part 656*492 | ||
|  |         self.M2_SendCommand(0x13) | ||
|  |         for y in  range(0, 492): | ||
|  |             for x in  range(81, 163): | ||
|  |                 self.M2_SendData(buf[y*163 + x]) | ||
|  | 
 | ||
|  |         #S2 part 648*492 | ||
|  |         self.S2_SendCommand(0x13) | ||
|  |         for y in  range(0, 492): | ||
|  |             for x in  range(0, 81): | ||
|  |                 self.S2_SendData(buf[y*163 + x]) | ||
|  |                  | ||
|  |         end = time.clock() | ||
|  |         print("use time:%f"%(end - start)) | ||
|  |         self.TurnOnDisplay() | ||
|  | 
 | ||
|  |     def clear(self): | ||
|  |         """Clear contents of image buffer""" | ||
|  |         start = time.clock() | ||
|  |         self.M1_SendCommand(0x13) | ||
|  |         for y in  range(492, 984): | ||
|  |             for x in  range(0, 81): | ||
|  |                 self.M1_SendData(0xff) | ||
|  | 
 | ||
|  |         self.S1_SendCommand(0x13) | ||
|  |         for y in  range(492, 984): | ||
|  |             for x in  range(81, 163): | ||
|  |                 self.S1_SendData(0xff) | ||
|  |      | ||
|  |         self.M2_SendCommand(0x13) | ||
|  |         for y in  range(0, 492): | ||
|  |             for x in  range(81, 163): | ||
|  |                 self.M2_SendData(0xff) | ||
|  | 
 | ||
|  |         self.S2_SendCommand(0x13) | ||
|  |         for y in  range(0, 492): | ||
|  |             for x in  range(0, 81): | ||
|  |                 self.S2_SendData(0xff) | ||
|  |         end = time.clock() | ||
|  |         print("use time:%f"%(end - start)) | ||
|  |         self.TurnOnDisplay() | ||
|  |          | ||
|  |     """   M1S1M2S2 Write register address and data     """ | ||
|  |     def M1S1M2S2_SendCommand(self, cmd): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0) | ||
|  |          | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(cmd)  | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 1) | ||
|  |      | ||
|  |     def M1S1M2S2_SendData(self, val): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1) | ||
|  | 
 | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(val)  | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 1) | ||
|  | 
 | ||
|  |     """   M1M2 Write register address and data     """ | ||
|  |     def M1M2_SendCommand(self, cmd): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(cmd)  | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1) | ||
|  |          | ||
|  |     def M1S1M2S2_Senddata(self, val):  | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(val)  | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)    | ||
|  |            | ||
|  |     """   S2 Write register address and data     """ | ||
|  |     def S2_SendCommand(self, cmd): | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(cmd) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 1) | ||
|  | 
 | ||
|  | 
 | ||
|  |     def S2_SendData(self, val): | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(val) | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 1) | ||
|  |          | ||
|  |     """   M2 Write register address and data     """ | ||
|  |     def M2_SendCommand(self, cmd): | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(cmd)  | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1) | ||
|  | 
 | ||
|  |     def M2_SendData(self, val): | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_DC_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(val)  | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1) | ||
|  | 
 | ||
|  |     """   S1 Write register address and data     """ | ||
|  |     def S1_SendCommand(self, cmd): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(cmd) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 1) | ||
|  | 
 | ||
|  |     def S1_SendData(self, val): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(val) | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 1) | ||
|  |          | ||
|  |     """   M1 Write register address and data     """ | ||
|  |     def M1_SendCommand(self, cmd): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 0) | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(cmd) | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1) | ||
|  | 
 | ||
|  |     def M1_SendData(self, val): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1) | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 0) | ||
|  |         epdconfig.spi_writebyte(val) | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1) | ||
|  | 
 | ||
|  |     def Reset(self): | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_RST_PIN, 1)  | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_RST_PIN, 1)  | ||
|  |         time.sleep(0.2)  | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_RST_PIN, 0)  | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_RST_PIN, 0)  | ||
|  |         time.sleep(0.01)  | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_RST_PIN, 1)  | ||
|  |         epdconfig.digital_write(self.EPD_M2S2_RST_PIN, 1)  | ||
|  |         time.sleep(0.2)  | ||
|  |      | ||
|  |     def sleep(self): | ||
|  |         self.M1S1M2S2_SendCommand(0X02)   	 | ||
|  |         time.sleep(0.3)  | ||
|  | 
 | ||
|  |         self.M1S1M2S2_SendCommand(0X07)   	 | ||
|  |         self.M1S1M2S2_SendData(0xA5)  | ||
|  |         time.sleep(0.3)  | ||
|  |         print("module_exit") | ||
|  |         epdconfig.module_exit() | ||
|  |          | ||
|  |          | ||
|  |     def TurnOnDisplay(self): | ||
|  |         self.M1M2_SendCommand(0x04)   | ||
|  |         time.sleep(0.3)  | ||
|  |         self.M1S1M2S2_SendCommand(0x12)  | ||
|  |         self.M1_ReadBusy() | ||
|  |         self.S1_ReadBusy() | ||
|  |         self.M2_ReadBusy() | ||
|  |         self.S2_ReadBusy() | ||
|  |      | ||
|  |     #Busy | ||
|  |     def M1_ReadBusy(self): | ||
|  |         self.M1_SendCommand(0x71)  | ||
|  |         busy = epdconfig.digital_read(self.EPD_M1_BUSY_PIN)  | ||
|  |         busy = not(busy & 0x01)  | ||
|  |         print("M1_ReadBusy") | ||
|  |         while(busy): | ||
|  |             self.M1_SendCommand(0x71)  | ||
|  |             busy = epdconfig.digital_read(self.EPD_M1_BUSY_PIN)  | ||
|  |             busy = not(busy & 0x01)  | ||
|  |         time.sleep(0.2) | ||
|  |          | ||
|  |     def M2_ReadBusy(self): | ||
|  |         self.M2_SendCommand(0x71)  | ||
|  |         busy = epdconfig.digital_read(self.EPD_M2_BUSY_PIN)  | ||
|  |         busy = not(busy & 0x01)  | ||
|  |         print("M2_ReadBusy") | ||
|  |         while(busy): | ||
|  |             self.M2_SendCommand(0x71)  | ||
|  |             busy = epdconfig.digital_read(self.EPD_M2_BUSY_PIN)  | ||
|  |             busy =not(busy & 0x01)  | ||
|  |         time.sleep(0.2)    | ||
|  |          | ||
|  |     def S1_ReadBusy(self): | ||
|  |         self.S1_SendCommand(0x71)  | ||
|  |         busy = epdconfig.digital_read(self.EPD_S1_BUSY_PIN)  | ||
|  |         busy = not(busy & 0x01)  | ||
|  |         print("s1_ReadBusy") | ||
|  |         while(busy): | ||
|  |             self.S1_SendCommand(0x71)  | ||
|  |             busy = epdconfig.digital_read(self.EPD_S1_BUSY_PIN)  | ||
|  |             busy = not(busy & 0x01)  | ||
|  |         time.sleep(0.2)    | ||
|  |          | ||
|  |     def S2_ReadBusy(self): | ||
|  |         self.S2_SendCommand(0x71)  | ||
|  |         busy = epdconfig.digital_read(self.EPD_S2_BUSY_PIN)  | ||
|  |         busy = not(busy & 0x01)  | ||
|  |         print("S2_ReadBusy") | ||
|  |         while(busy): | ||
|  |             self.S2_SendCommand(0x71)  | ||
|  |             busy = epdconfig.digital_read(self.EPD_S2_BUSY_PIN)  | ||
|  |             busy = not(busy & 0x01)  | ||
|  |         time.sleep(0.2)             | ||
|  |          | ||
|  |     def M1_ReadTemperature(self): | ||
|  |         self.M1_SendCommand(0x40)  | ||
|  |         self.M1_ReadBusy()  | ||
|  |         time.sleep(0.3) | ||
|  | 
 | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 0)  | ||
|  |         epdconfig.digital_write(self.EPD_S1_CS_PIN, 1)  | ||
|  |         epdconfig.digital_write(self.EPD_M2_CS_PIN, 1)  | ||
|  |         epdconfig.digital_write(self.EPD_S2_CS_PIN, 1)  | ||
|  |          | ||
|  |         epdconfig.digital_write(self.EPD_M1S1_DC_PIN, 1)  | ||
|  |         time.sleep(0.01)  | ||
|  |          | ||
|  |         # temp = epdconfig.spi_readbyte(0x00) | ||
|  |         temp = 25 | ||
|  |         print("Read Temperature Reg:%d"%temp) | ||
|  |         epdconfig.digital_write(self.EPD_M1_CS_PIN, 1)  | ||
|  |         # temp =0x29 | ||
|  |         return temp  |